X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/676a7cc97d92e55ed4fc7c1f0bb094f625c449b7..b193caa336c5d0b495933f149abe3407734a455f:/lisp/gnus/gnus-art.el diff --git a/lisp/gnus/gnus-art.el b/lisp/gnus/gnus-art.el index 55e51d8c12..bc7f27c97c 100644 --- a/lisp/gnus/gnus-art.el +++ b/lisp/gnus/gnus-art.el @@ -1,5 +1,7 @@ ;;; gnus-art.el --- article mode commands for Gnus -;; Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc. + +;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, +;; 2005, 2006 Free Software Foundation, Inc. ;; Author: Lars Magne Ingebrigtsen ;; Keywords: news @@ -18,29 +20,40 @@ ;; You should have received a copy of the GNU General Public License ;; along with GNU Emacs; see the file COPYING. If not, write to the -;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. +;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +;; Boston, MA 02110-1301, USA. ;;; Commentary: ;;; Code: -(eval-when-compile (require 'cl)) +(eval-when-compile + (require 'cl) + (defvar tool-bar-map) + (defvar w3m-minor-mode-map)) (require 'gnus) (require 'gnus-sum) (require 'gnus-spec) (require 'gnus-int) +(require 'gnus-win) (require 'mm-bodies) (require 'mail-parse) (require 'mm-decode) (require 'mm-view) (require 'wid-edit) (require 'mm-uu) +(require 'message) + +(autoload 'gnus-msg-mail "gnus-msg" nil t) +(autoload 'gnus-button-mailto "gnus-msg") +(autoload 'gnus-button-reply "gnus-msg" nil t) +(autoload 'parse-time-string "parse-time" nil nil) +(autoload 'mm-extern-cache-contents "mm-extern") (defgroup gnus-article nil "Article display." - :link '(custom-manual "(gnus)The Article Buffer") + :link '(custom-manual "(gnus)Article Buffer") :group 'gnus) (defgroup gnus-article-treat nil @@ -100,33 +113,47 @@ :group 'gnus-article) (defcustom gnus-ignored-headers - '("^Path:" "^Expires:" "^Date-Received:" "^References:" "^Xref:" "^Lines:" - "^Relay-Version:" "^Message-ID:" "^Approved:" "^Sender:" "^Received:" - "^X-UIDL:" "^MIME-Version:" "^Return-Path:" "^In-Reply-To:" - "^Content-Type:" "^Content-Transfer-Encoding:" "^X-WebTV-Signature:" - "^X-MimeOLE:" "^X-MSMail-Priority:" "^X-Priority:" "^X-Loop:" - "^X-Authentication-Warning:" "^X-MIME-Autoconverted:" "^X-Face:" - "^X-Attribution:" "^X-Originating-IP:" "^Delivered-To:" - "^NNTP-[-A-Za-z]+:" "^Distribution:" "^X-no-archive:" "^X-Trace:" - "^X-Complaints-To:" "^X-NNTP-Posting-Host:" "^X-Orig.*:" - "^Abuse-Reports-To:" "^Cache-Post-Path:" "^X-Article-Creation-Date:" - "^X-Poster:" "^X-Mail2News-Path:" "^X-Server-Date:" "^X-Cache:" - "^Originator:" "^X-Problems-To:" "^X-Auth-User:" "^X-Post-Time:" - "^X-Admin:" "^X-UID:" "^Resent-[-A-Za-z]+:" "^X-Mailing-List:" - "^Precedence:" "^Original-[-A-Za-z]+:" "^X-filename:" "^X-Orcpt:" - "^Old-Received:" "^X-Pgp" "^X-Auth:" "^X-From-Line:" - "^X-Gnus-Article-Number:" "^X-Majordomo:" "^X-Url:" "^X-Sender:" - "^MBOX-Line" "^Priority:" "^X-Pgp" "^X400-[-A-Za-z]+:" - "^Status:" "^X-Gnus-Mail-Source:" "^Cancel-Lock:" - "^X-FTN" "^X-EXP32-SerialNo:" "^Encoding:" "^Importance:" - "^Autoforwarded:" "^Original-Encoded-Information-Types:" "^X-Ya-Pop3:" - "^X-Face-Version:" "^X-Vms-To:" "^X-ML-NAME:" "^X-ML-COUNT:" - "^Mailing-List:" "^X-finfo:" "^X-md5sum:" "^X-md5sum-Origin:" - "^X-Sun-Charset:" "^X-Accept-Language:" "^X-Envelope-Sender:" - "^List-[A-Za-z]+:" "^X-Listprocessor-Version:" - "^X-Received:" "^X-Distribute:" "^X-Sequence:" "^X-Juno-Line-Breaks:" - "^X-Notes-Item:" "^X-MS-TNEF-Correlator:" "^x-uunet-gateway:" - "^X-Received:" "^Content-length:" "X-precedence:") + (mapcar + (lambda (header) + (concat "^" header ":")) + '("Path" "Expires" "Date-Received" "References" "Xref" "Lines" + "Relay-Version" "Message-ID" "Approved" "Sender" "Received" + "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To" + "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature" + "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop" + "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face" + "X-Attribution" "X-Originating-IP" "Delivered-To" + "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace" + "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*" + "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date" + "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache" + "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time" + "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List" + "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt" + "Old-Received" "X-Pgp" "X-Auth" "X-From-Line" + "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender" + "MBOX-Line" "Priority" "X400-[-A-Za-z]+" + "Status" "X-Gnus-Mail-Source" "Cancel-Lock" + "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance" + "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3" + "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT" + "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin" + "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender" + "List-[A-Za-z]+" "X-Listprocessor-Version" + "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks" + "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway" + "X-Received" "Content-length" "X-precedence" + "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info" + "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup" + "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To" + "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post" + "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive" + "X-Content-length" "X-Posting-Agent" "Original-Received" + "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom" + "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway" + "X-Local-Origin" "X-Local-Destination" "X-UserInfo1" + "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications" + "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer")) "*All headers that start with this regexp will be hidden. This variable can also be a list of regexps of headers to be ignored. If `gnus-visible-headers' is non-nil, this variable will be ignored." @@ -136,7 +163,7 @@ If `gnus-visible-headers' is non-nil, this variable will be ignored." :group 'gnus-article-hiding) (defcustom gnus-visible-headers - "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:" + "^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:" "*All headers that do not match this regexp will be hidden. This variable can also be a list of regexp of headers to remain visible. If this variable is non-nil, `gnus-ignored-headers' will be ignored." @@ -160,23 +187,48 @@ this list." (defcustom gnus-boring-article-headers '(empty followup-to reply-to) "Headers that are only to be displayed if they have interesting data. -Possible values in this list are `empty', `newsgroups', `followup-to', -`reply-to', `date', `long-to', and `many-to'." +Possible values in this list are: + + 'empty Headers with no content. + 'newsgroups Newsgroup identical to Gnus group. + 'to-address To identical to To-address. + 'to-list To identical to To-list. + 'cc-list CC identical to To-list. + 'followup-to Followup-to identical to Newsgroups. + 'reply-to Reply-to identical to From. + 'date Date less than four days old. + 'long-to To and/or Cc longer than 1024 characters. + 'many-to Multiple To and/or Cc." :type '(set (const :tag "Headers with no content." empty) - (const :tag "Newsgroups with only one group." newsgroups) - (const :tag "Followup-to identical to newsgroups." followup-to) - (const :tag "Reply-to identical to from." reply-to) + (const :tag "Newsgroups identical to Gnus group." newsgroups) + (const :tag "To identical to To-address." to-address) + (const :tag "To identical to To-list." to-list) + (const :tag "CC identical to To-list." cc-list) + (const :tag "Followup-to identical to Newsgroups." followup-to) + (const :tag "Reply-to identical to From." reply-to) (const :tag "Date less than four days old." date) - (const :tag "Very long To and/or Cc header." long-to) + (const :tag "To and/or Cc longer than 1024 characters." long-to) (const :tag "Multiple To and/or Cc headers." many-to)) :group 'gnus-article-hiding) +(defcustom gnus-article-skip-boring nil + "Skip over text that is not worth reading. +By default, if you set this t, then Gnus will display citations and +signatures, but will never scroll down to show you a page consisting +only of boring text. Boring text is controlled by +`gnus-article-boring-faces'." + :version "22.1" + :type 'boolean + :group 'gnus-article-hiding) + (defcustom gnus-signature-separator '("^-- $" "^-- *$") "Regexp matching signature separator. This can also be a list of regexps. In that case, it will be checked from head to tail looking for a separator. Searches will be done from the end of the buffer." - :type '(repeat string) + :type '(choice :format "%{%t%}: %[Value Menu%]\n%v" + (regexp) + (repeat :tag "List of regexp" regexp)) :group 'gnus-article-signature) (defcustom gnus-signature-limit nil @@ -187,7 +239,8 @@ longer (in lines) than that number. If it is a function, the function will be called without any parameters, and if it returns nil, there is no signature in the buffer. If it is a string, it will be used as a regexp. If it matches, the text in question is not a signature." - :type '(choice (integer :value 200) + :type '(choice (const nil) + (integer :value 200) (number :value 4.0) (function :value fun) (regexp :value ".*")) @@ -198,24 +251,26 @@ regexp. If it matches, the text in question is not a signature." :type 'sexp :group 'gnus-article-hiding) -;; Fixme: This isn't the right thing for mixed graphical and and -;; non-graphical frames in a session. -;; gnus-xmas.el overrides this for XEmacs. +;; Fixme: This isn't the right thing for mixed graphical and non-graphical +;; frames in a session. (defcustom gnus-article-x-face-command - (if (and (fboundp 'image-type-available-p) - (image-type-available-p 'xbm)) - 'gnus-article-display-xface - (if gnus-article-compface-xbm - "{ echo '/* Width=48, Height=48 */'; uncompface; } | display -" + (if (featurep 'xemacs) + (if (or (gnus-image-type-available-p 'xface) + (gnus-image-type-available-p 'pbm)) + 'gnus-display-x-face-in-from + "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -") + (if (gnus-image-type-available-p 'pbm) + 'gnus-display-x-face-in-from "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \ display -")) "*String or function to be executed to display an X-Face header. If it is a string, the command will be executed in a sub-shell asynchronously. The compressed face will be piped to this command." - :type '(choice string - (function-item gnus-article-display-xface) + :type `(choice string + (function-item gnus-display-x-face-in-from) function) :version "21.1" + :group 'gnus-picon :group 'gnus-article-washing) (defcustom gnus-article-x-face-too-ugly nil @@ -225,31 +280,107 @@ asynchronously. The compressed face will be piped to this command." (defcustom gnus-article-banner-alist nil "Banner alist for stripping. -For example, - ((egroups . \"^[ \\t\\n]*-------------------+\\\\( eGroups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))" +For example, + ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo! \\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))" :version "21.1" :type '(repeat (cons symbol regexp)) :group 'gnus-article-washing) +(gnus-define-group-parameter + banner + :variable-document + "Alist of regexps (to match group names) and banner." + :variable-group gnus-article-washing + :parameter-type + '(choice :tag "Banner" + :value nil + (const :tag "Remove signature" signature) + (symbol :tag "Item in `gnus-article-banner-alist'" none) + regexp + (const :tag "None" nil)) + :parameter-document + "If non-nil, specify how to remove `banners' from articles. + +Symbol `signature' means to remove signatures delimited by +`gnus-signature-separator'. Any other symbol is used to look up a +regular expression to match the banner in `gnus-article-banner-alist'. +A string is used as a regular expression to match the banner +directly.") + +(defcustom gnus-article-address-banner-alist nil + "Alist of mail addresses and banners. +Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp +to match a mail address in the From: header, BANNER is one of a symbol +`signature', an item in `gnus-article-banner-alist', a regexp and nil. +If ADDRESS matches author's mail address, it will remove things like +advertisements. For example: + +\((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You Yoo-hoo!\\\\?\\n.*\\n.*\\n\")) +" + :type '(repeat + (cons + (regexp :tag "Address") + (choice :tag "Banner" :value nil + (const :tag "Remove signature" signature) + (symbol :tag "Item in `gnus-article-banner-alist'" none) + regexp + (const :tag "None" nil)))) + :version "22.1" + :group 'gnus-article-washing) + +(defmacro gnus-emphasis-custom-with-format (&rest body) + `(let ((format "\ +\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\ +\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")) + ,@body)) + +(defun gnus-emphasis-custom-value-to-external (value) + (gnus-emphasis-custom-with-format + (if (consp (car value)) + (list (format format (car (car value)) (cdr (car value))) + 2 + (if (nth 1 value) 2 3) + (nth 2 value)) + value))) + +(defun gnus-emphasis-custom-value-to-internal (value) + (gnus-emphasis-custom-with-format + (let ((regexp (concat "\\`" + (format (regexp-quote format) + "\\([^()]+\\)" "\\([^()]+\\)") + "\\'")) + pattern) + (if (string-match regexp (setq pattern (car value))) + (list (cons (match-string 1 pattern) (match-string 2 pattern)) + (= (nth 2 value) 2) + (nth 3 value)) + value)))) + (defcustom gnus-emphasis-alist - (let ((format - "\\(\\s-\\|^\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-,;:\"]\\s-\\|[?!.]+\\s-\\|\\s)\\)") - (types - '(("_" "_" underline) + (let ((types + '(("\\*" "\\*" bold nil 2) + ("_" "_" underline) ("/" "/" italic) - ("\\*" "\\*" bold) ("_/" "/_" underline-italic) ("_\\*" "\\*_" underline-bold) ("\\*/" "/\\*" bold-italic) ("_\\*/" "/\\*_" underline-bold-italic)))) - `(("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)" - 2 3 gnus-emphasis-underline) - ,@(mapcar - (lambda (spec) - (list - (format format (car spec) (cadr spec)) - 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec))))) - types))) + (nconc + (gnus-emphasis-custom-with-format + (mapcar (lambda (spec) + (list (format format (car spec) (cadr spec)) + (or (nth 3 spec) 2) + (or (nth 4 spec) 3) + (intern (format "gnus-emphasis-%s" (nth 2 spec))))) + types)) + '(;; I've never seen anyone use this strikethru convention whereas I've + ;; several times seen it triggered by normal text. --Stef + ;; Miles suggests that this form is sometimes used but for italics, + ;; so maybe we should map it to `italic'. + ;; ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)" + ;; 2 3 gnus-emphasis-strikethru) + ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)" + 2 3 gnus-emphasis-underline)))) "*Alist that says how to fontify certain phrases. Each item looks like this: @@ -260,11 +391,43 @@ is a number that says what regular expression grouping used to find the entire emphasized word. The third is a number that says what regexp grouping should be displayed and highlighted. The fourth is the face used for highlighting." - :type '(repeat (list :value ("" 0 0 default) - regexp - (integer :tag "Match group") - (integer :tag "Emphasize group") - face)) + :type + '(repeat + (menu-choice + :format "%[Customizing Style%]\n%v" + :indent 2 + (group :tag "Default" + :value ("" 0 0 default) + :value-create + (lambda (widget) + (let ((value (widget-get + (cadr (widget-get (widget-get widget :parent) + :args)) + :value))) + (if (not (eq (nth 2 value) 'default)) + (widget-put + widget + :value + (gnus-emphasis-custom-value-to-external value)))) + (widget-group-value-create widget)) + regexp + (integer :format "Match group: %v") + (integer :format "Emphasize group: %v") + face) + (group :tag "Simple" + :value (("_" . "_") nil default) + (cons :format "%v" + (regexp :format "Start regexp: %v") + (regexp :format "End regexp: %v")) + (boolean :format "Show start and end patterns: %[%v%]\n" + :on " On " :off " Off ") + face))) + :get (lambda (symbol) + (mapcar 'gnus-emphasis-custom-value-to-internal + (default-value symbol))) + :set (lambda (symbol value) + (set-default symbol (mapcar 'gnus-emphasis-custom-value-to-external + value))) :group 'gnus-article-emphasis) (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n" @@ -303,7 +466,13 @@ and the latter avoids underlining any whitespace at all." (defface gnus-emphasis-underline-bold-italic '((t (:bold t :italic t :underline t))) "Face used for displaying underlined bold italic emphasized text. -Esample: (_/*word*/_)." +Example: (_/*word*/_)." + :group 'gnus-article-emphasis) + +(defface gnus-emphasis-strikethru (if (featurep 'xemacs) + '((t (:strikethru t))) + '((t (:strike-through t)))) + "Face used for displaying strike-through text (-word-)." :group 'gnus-article-emphasis) (defface gnus-emphasis-highlight-words @@ -322,11 +491,11 @@ be fed to `format-time-string'." :link '(custom-manual "(gnus)Article Date") :group 'gnus-article-washing) -(eval-and-compile - (autoload 'mail-extract-address-components "mail-extr")) - (defcustom gnus-save-all-headers t - "*If non-nil, don't remove any headers before saving." + "*If non-nil, don't remove any headers before saving. +This will be overridden by the `:headers' property that the symbol of +the saver function, which is specified by `gnus-default-article-saver', +might have." :group 'gnus-article-saving :type 'boolean) @@ -347,14 +516,17 @@ each invocation of the saving commands." "Headers to keep if `gnus-save-all-headers' is nil. If `gnus-save-all-headers' is non-nil, this variable will be ignored. If that variable is nil, however, all headers that match this regexp -will be kept while the rest will be deleted before saving." +will be kept while the rest will be deleted before saving. This and +`gnus-save-all-headers' will be overridden by the `:headers' property +that the symbol of the saver function, which is specified by +`gnus-default-article-saver', might have." :group 'gnus-article-saving :type 'regexp) (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail "A function to save articles in your favourite format. -The function must be interactively callable (in other words, it must -be an Emacs command). +The function will be called by way of the `gnus-summary-save-article' +command, and friends such as `gnus-summary-save-article-rmail'. Gnus provides the following functions: @@ -362,15 +534,80 @@ Gnus provides the following functions: * gnus-summary-save-in-mail (Unix mail format) * gnus-summary-save-in-folder (MH folder) * gnus-summary-save-in-file (article format) +* gnus-summary-save-body-in-file (article body) * gnus-summary-save-in-vm (use VM's folder format) -* gnus-summary-write-to-file (article format -- overwrite)." +* gnus-summary-write-to-file (article format -- overwrite) +* gnus-summary-write-body-to-file (article body -- overwrite) + +The symbol of each function may have the following properties: + +* :decode +The value non-nil means save decoded articles. This is meaningful +only with `gnus-summary-save-in-file', `gnus-summary-save-body-in-file', +`gnus-summary-write-to-file', and `gnus-summary-write-body-to-file'. + +* :function +The value specifies an alternative function which appends, not +overwrites, articles to a file. This implies that when saving many +articles at a time, `gnus-prompt-before-saving' is bound to t and all +articles are saved in a single file. This is meaningful only with +`gnus-summary-write-to-file' and `gnus-summary-write-body-to-file'. + +* :headers +The value specifies the symbol of a variable of which the value +specifies headers to be saved. If it is omitted, +`gnus-save-all-headers' and `gnus-saved-headers' control what +headers should be saved." :group 'gnus-article-saving :type '(radio (function-item gnus-summary-save-in-rmail) (function-item gnus-summary-save-in-mail) (function-item gnus-summary-save-in-folder) (function-item gnus-summary-save-in-file) + (function-item gnus-summary-save-body-in-file) (function-item gnus-summary-save-in-vm) - (function-item gnus-summary-write-to-file))) + (function-item gnus-summary-write-to-file) + (function-item gnus-summary-write-body-to-file) + (function))) + +(defcustom gnus-article-save-coding-system + (or (and (mm-coding-system-p 'utf-8) 'utf-8) + (and (mm-coding-system-p 'iso-2022-7bit) 'iso-2022-7bit) + (and (mm-coding-system-p 'emacs-mule) 'emacs-mule) + (and (mm-coding-system-p 'escape-quoted) 'escape-quoted)) + "Coding system used to save decoded articles to a file. + +The recommended coding systems are `utf-8', `iso-2022-7bit' and so on, +which can safely encode any characters in text. This is used by the +commands including: + +* gnus-summary-save-article-file +* gnus-summary-save-article-body-file +* gnus-summary-write-article-file +* gnus-summary-write-article-body-file + +and the functions to which you may set `gnus-default-article-saver': + +* gnus-summary-save-in-file +* gnus-summary-save-body-in-file +* gnus-summary-write-to-file +* gnus-summary-write-body-to-file + +Those commands and functions save just text displayed in the article +buffer to a file if the value of this variable is non-nil. Note that +buttonized MIME parts will be lost in a saved file in that case. +Otherwise, raw articles will be saved." + :group 'gnus-article-saving + :type `(choice + :format "%{%t%}:\n %[Value Menu%] %v" + (const :tag "Save raw articles" nil) + ,@(delq nil + (mapcar + (lambda (arg) (if (mm-coding-system-p (nth 3 arg)) arg)) + '((const :tag "UTF-8" utf-8) + (const :tag "iso-2022-7bit" iso-2022-7bit) + (const :tag "Emacs internal" emacs-mule) + (const :tag "escape-quoted" escape-quoted)))) + (symbol :tag "Coding system"))) (defcustom gnus-rmail-save-name 'gnus-plain-save-name "A function generating a file name to save articles in Rmail format. @@ -447,6 +684,13 @@ The following additional specs are available: :type 'hook :group 'gnus-article-various) +(when (featurep 'xemacs) + ;; Extracted from gnus-xmas-define in order to preserve user settings + (when (fboundp 'turn-off-scroll-in-place) + (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place)) + ;; Extracted from gnus-xmas-redefine in order to preserve user settings + (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add)) + (defcustom gnus-article-menu-hook nil "*Hook run after the creation of the article mode menu." :type 'hook @@ -457,10 +701,8 @@ The following additional specs are available: :type 'hook :group 'gnus-article-various) -(defcustom gnus-article-hide-pgp-hook nil - "*A hook called after successfully hiding a PGP signature." - :type 'hook - :group 'gnus-article-various) +(make-obsolete-variable 'gnus-article-hide-pgp-hook + "This variable is obsolete in Gnus 5.10.") (defcustom gnus-article-button-face 'bold "Face used for highlighting buttons in the article buffer. @@ -478,21 +720,23 @@ above them." :type 'face :group 'gnus-article-buttons) -(defcustom gnus-signature-face 'gnus-signature-face +(defcustom gnus-signature-face 'gnus-signature "Face used for highlighting a signature in the article buffer. -Obsolete; use the face `gnus-signature-face' for customizations instead." +Obsolete; use the face `gnus-signature' for customizations instead." :type 'face :group 'gnus-article-highlight :group 'gnus-article-signature) -(defface gnus-signature-face +(defface gnus-signature '((t (:italic t))) "Face used for highlighting a signature in the article buffer." :group 'gnus-article-highlight :group 'gnus-article-signature) +;; backward-compatibility alias +(put 'gnus-signature-face 'face-alias 'gnus-signature) -(defface gnus-header-from-face +(defface gnus-header-from '((((class color) (background dark)) (:foreground "spring green")) @@ -504,8 +748,10 @@ Obsolete; use the face `gnus-signature-face' for customizations instead." "Face used for displaying from headers." :group 'gnus-article-headers :group 'gnus-article-highlight) +;; backward-compatibility alias +(put 'gnus-header-from-face 'face-alias 'gnus-header-from) -(defface gnus-header-subject-face +(defface gnus-header-subject '((((class color) (background dark)) (:foreground "SeaGreen3")) @@ -517,8 +763,10 @@ Obsolete; use the face `gnus-signature-face' for customizations instead." "Face used for displaying subject headers." :group 'gnus-article-headers :group 'gnus-article-highlight) +;; backward-compatibility alias +(put 'gnus-header-subject-face 'face-alias 'gnus-header-subject) -(defface gnus-header-newsgroups-face +(defface gnus-header-newsgroups '((((class color) (background dark)) (:foreground "yellow" :italic t)) @@ -527,11 +775,15 @@ Obsolete; use the face `gnus-signature-face' for customizations instead." (:foreground "MidnightBlue" :italic t)) (t (:italic t))) - "Face used for displaying newsgroups headers." + "Face used for displaying newsgroups headers. +In the default setup this face is only used for crossposted +articles." :group 'gnus-article-headers :group 'gnus-article-highlight) +;; backward-compatibility alias +(put 'gnus-header-newsgroups-face 'face-alias 'gnus-header-newsgroups) -(defface gnus-header-name-face +(defface gnus-header-name '((((class color) (background dark)) (:foreground "SeaGreen")) @@ -543,8 +795,10 @@ Obsolete; use the face `gnus-signature-face' for customizations instead." "Face used for displaying header names." :group 'gnus-article-headers :group 'gnus-article-highlight) +;; backward-compatibility alias +(put 'gnus-header-name-face 'face-alias 'gnus-header-name) -(defface gnus-header-content-face +(defface gnus-header-content '((((class color) (background dark)) (:foreground "forest green" :italic t)) @@ -555,23 +809,25 @@ Obsolete; use the face `gnus-signature-face' for customizations instead." (:italic t))) "Face used for displaying header content." :group 'gnus-article-headers :group 'gnus-article-highlight) +;; backward-compatibility alias +(put 'gnus-header-content-face 'face-alias 'gnus-header-content) (defcustom gnus-header-face-alist - '(("From" nil gnus-header-from-face) - ("Subject" nil gnus-header-subject-face) - ("Newsgroups:.*," nil gnus-header-newsgroups-face) - ("" gnus-header-name-face gnus-header-content-face)) - "*Controls highlighting of article header. + '(("From" nil gnus-header-from) + ("Subject" nil gnus-header-subject) + ("Newsgroups:.*," nil gnus-header-newsgroups) + ("" gnus-header-name gnus-header-content)) + "*Controls highlighting of article headers. An alist of the form (HEADER NAME CONTENT). -HEADER is a regular expression which should match the name of an -header header and NAME and CONTENT are either face names or nil. +HEADER is a regular expression which should match the name of a +header and NAME and CONTENT are either face names or nil. The name of each header field will be displayed using the face -specified by the first element in the list where HEADER match the -header name and NAME is non-nil. Similarly, the content will be -displayed by the first non-nil matching CONTENT face." +specified by the first element in the list where HEADER matches +the header name and NAME is non-nil. Similarly, the content will +be displayed by the first non-nil matching CONTENT face." :group 'gnus-article-headers :group 'gnus-article-highlight :type '(repeat (list (regexp :tag "Header") @@ -583,7 +839,8 @@ displayed by the first non-nil matching CONTENT face." (face :value default))))) (defcustom gnus-article-decode-hook - '(article-decode-charset article-decode-encoded-words) + '(article-decode-charset article-decode-encoded-words + article-decode-group-name article-decode-idna-rhs) "*Hook run to decode charsets in articles." :group 'gnus-article-headers :type 'hook) @@ -596,8 +853,12 @@ displayed by the first non-nil matching CONTENT face." (defvar gnus-decode-header-function 'mail-decode-encoded-word-region "Function used to decode headers.") +(defvar gnus-decode-address-function 'mail-decode-encoded-address-region + "Function used to decode addresses.") + (defvar gnus-article-dumbquotes-map - '(("\202" ",") + '(("\200" "EUR") + ("\202" ",") ("\203" "f") ("\204" ",,") ("\205" "...") @@ -610,6 +871,7 @@ displayed by the first non-nil matching CONTENT face." ("\225" "*") ("\226" "-") ("\227" "--") + ("\230" "~") ("\231" "(TM)") ("\233" ">") ("\234" "oe") @@ -623,17 +885,70 @@ displayed by the first non-nil matching CONTENT face." :type '(repeat regexp)) (defcustom gnus-unbuttonized-mime-types '(".*/.*") - "List of MIME types that should not be given buttons when rendered inline." + "List of MIME types that should not be given buttons when rendered inline. +See also `gnus-buttonized-mime-types' which may override this variable. +This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil." :version "21.1" :group 'gnus-article-mime :type '(repeat regexp)) +(defcustom gnus-buttonized-mime-types nil + "List of MIME types that should be given buttons when rendered inline. +If set, this variable overrides `gnus-unbuttonized-mime-types'. +To see e.g. security buttons you could set this to +`(\"multipart/signed\")'. You could also add \"multipart/alternative\" to +this list to display radio buttons that allow you to choose one of two +media types those mails include. See also `mm-discouraged-alternatives'. +This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil." + :version "22.1" + :group 'gnus-article-mime + :type '(repeat regexp)) + +(defcustom gnus-inhibit-mime-unbuttonizing nil + "If non-nil, all MIME parts get buttons. +When nil (the default value), then some MIME parts do not get buttons, +as described by the variables `gnus-buttonized-mime-types' and +`gnus-unbuttonized-mime-types'." + :version "22.1" + :group 'gnus-article-mime + :type 'boolean) + +(defcustom gnus-body-boundary-delimiter "_" + "String used to delimit header and body. +This variable is used by `gnus-article-treat-body-boundary' which can +be controlled by `gnus-treat-body-boundary'." + :version "22.1" + :group 'gnus-article-various + :type '(choice (item :tag "None" :value nil) + string)) + +(defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces" + "/usr/share/picons") + "Defines the location of the faces database. +For information on obtaining this database of pretty pictures, please +see http://www.cs.indiana.edu/picons/ftp/index.html" + :version "22.1" + :type '(repeat directory) + :link '(url-link :tag "download" + "http://www.cs.indiana.edu/picons/ftp/index.html") + :link '(custom-manual "(gnus)Picons") + :group 'gnus-picon) + +(defun gnus-picons-installed-p () + "Say whether picons are installed on your machine." + (let ((installed nil)) + (dolist (database gnus-picon-databases) + (when (file-exists-p database) + (setq installed t))) + installed)) + (defcustom gnus-article-mime-part-function nil "Function called with a MIME handle as the argument. This is meant for people who want to do something automatic based on parts -- for instance, adding Vcard info to a database." :group 'gnus-article-mime - :type 'function) + :type '(choice (const nil) + function)) (defcustom gnus-mime-multipart-functions nil "An alist of MIME types to functions to display them." @@ -653,31 +968,33 @@ be added below it (otherwise)." (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative "Function called with a MIME handle as the argument. This is meant for people who want to view first matched part. -For `undisplayed-alternative' (default), the first undisplayed -part or alternative part is used. For `undisplayed', the first -undisplayed part is used. For a function, the first part which -the function return `t' is used. For `nil', the first part is +For `undisplayed-alternative' (default), the first undisplayed +part or alternative part is used. For `undisplayed', the first +undisplayed part is used. For a function, the first part which +the function return t is used. For nil, the first part is used." :version "21.1" :group 'gnus-article-mime - :type '(choice + :type '(choice (item :tag "first" :value nil) (item :tag "undisplayed" :value undisplayed) - (item :tag "undisplayed or alternative" + (item :tag "undisplayed or alternative" :value undisplayed-alternative) (function))) (defcustom gnus-mime-action-alist '(("save to file" . gnus-mime-save-part) + ("save and strip" . gnus-mime-save-part-and-strip) + ("delete part" . gnus-mime-delete-part) ("display as text" . gnus-mime-inline-part) ("view the part" . gnus-mime-view-part) ("pipe to command" . gnus-mime-pipe-part) ("toggle display" . gnus-article-press-button) + ("toggle display" . gnus-article-view-part-as-charset) ("view as type" . gnus-mime-view-part-as-type) - ("internalize type" . gnus-mime-internalize-part) - ("externalize type" . gnus-mime-externalize-part)) + ("view internally" . gnus-mime-view-part-internally) + ("view externally" . gnus-mime-view-part-externally)) "An alist of actions that run on the MIME attachment." - :version "21.1" :group 'gnus-article-mime :type '(repeat (cons (string :tag "name") (function)))) @@ -708,233 +1025,360 @@ used." (defvar gnus-inhibit-treatment nil "Whether to inhibit treatment.") -(defcustom gnus-treat-highlight-signature '(or last (typep "text/x-vcard")) +(defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard")) "Highlight the signature. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles'." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (put 'gnus-treat-highlight-signature 'highlight t) (defcustom gnus-treat-buttonize 100000 "Add buttons. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles'." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (put 'gnus-treat-buttonize 'highlight t) (defcustom gnus-treat-buttonize-head 'head "Add buttons to the head. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (put 'gnus-treat-buttonize-head 'highlight t) -(defcustom gnus-treat-emphasize +(defcustom gnus-treat-emphasize (and (or window-system (featurep 'xemacs) (>= (string-to-number emacs-version) 21)) 50000) "Emphasize text. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (put 'gnus-treat-emphasize 'highlight t) (defcustom gnus-treat-strip-cr nil "Remove carriage returns. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" + :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") + :type gnus-article-treat-custom) + +(defcustom gnus-treat-unsplit-urls nil + "Remove newlines from within URLs. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" + :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") + :type gnus-article-treat-custom) + +(defcustom gnus-treat-leading-whitespace nil + "Remove leading whitespace in headers. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-hide-headers 'head "Hide headers. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (defcustom gnus-treat-hide-boring-headers nil "Hide boring headers. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (defcustom gnus-treat-hide-signature nil "Hide the signature. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-fill-article nil "Fill the article. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-hide-citation nil "Hide cited text. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-hide-citation-maybe nil "Hide cited text. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-strip-list-identifiers 'head "Strip list identifiers from `gnus-list-identifiers`. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :version "21.1" :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) -(defcustom gnus-treat-strip-pgp t - "Strip PGP signatures. -Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." - :group 'gnus-article-treat - :type gnus-article-treat-custom) +(make-obsolete-variable 'gnus-treat-strip-pgp + "This option is obsolete in Gnus 5.10.") (defcustom gnus-treat-strip-pem nil "Strip PEM signatures. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-strip-banner t "Strip banners from articles. The banner to be stripped is specified in the `banner' group parameter. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-highlight-headers 'head "Highlight the headers. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (put 'gnus-treat-highlight-headers 'highlight t) (defcustom gnus-treat-highlight-citation t "Highlight cited text. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (put 'gnus-treat-highlight-citation 'highlight t) (defcustom gnus-treat-date-ut nil "Display the Date in UT (GMT). Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (defcustom gnus-treat-date-local nil "Display the Date in the local timezone. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") + :type gnus-article-treat-head-custom) + +(defcustom gnus-treat-date-english nil + "Display the Date in a format that can be read aloud in English. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" + :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (defcustom gnus-treat-date-lapsed nil "Display the Date header in a way that says how much time has elapsed. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (defcustom gnus-treat-date-original nil "Display the date in the original timezone. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (defcustom gnus-treat-date-iso8601 nil "Display the date in the ISO8601 format. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :version "21.1" :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (defcustom gnus-treat-date-user-defined nil "Display the date in a user-defined format. The format is defined by the `gnus-article-time-format' variable. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) (defcustom gnus-treat-strip-headers-in-body t "Strip the X-No-Archive header line from the beginning of the body. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :version "21.1" :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-strip-trailing-blank-lines nil "Strip trailing blank lines. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details. + +When set to t, it also strips trailing blanks in all MIME parts. +Consider to use `last' instead." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-strip-leading-blank-lines nil "Strip leading blank lines. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details. + +When set to t, it also strips trailing blanks in all MIME parts." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-strip-multiple-blank-lines nil "Strip multiple blank lines. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") + :type gnus-article-treat-custom) + +(defcustom gnus-treat-unfold-headers 'head + "Unfold folded header lines. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" + :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") + :type gnus-article-treat-custom) + +(defcustom gnus-treat-fold-headers nil + "Fold headers. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" + :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") + :type gnus-article-treat-custom) + +(defcustom gnus-treat-fold-newsgroups 'head + "Fold the Newsgroups and Followup-To headers. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" + :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-overstrike t "Treat overstrike highlighting. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (put 'gnus-treat-overstrike 'highlight t) -(defcustom gnus-treat-display-xface - (and (or (and (fboundp 'image-type-available-p) +(make-obsolete-variable 'gnus-treat-display-xface + 'gnus-treat-display-x-face) + +(defcustom gnus-treat-display-x-face + (and (not noninteractive) + (or (and (fboundp 'image-type-available-p) (image-type-available-p 'xbm) - (string-match "^0x" (shell-command-to-string "uncompface"))) - (and (featurep 'xemacs) (featurep 'xface))) + (string-match "^0x" (shell-command-to-string "uncompface")) + (executable-find "icontopbm")) + (and (featurep 'xemacs) + (featurep 'xface))) 'head) "Display X-Face headers. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' and Info node +`(gnus)X-Face' for details." :group 'gnus-article-treat :version "21.1" + :link '(custom-manual "(gnus)Customizing Articles") + :link '(custom-manual "(gnus)X-Face") + :type gnus-article-treat-head-custom + :set (lambda (symbol value) + (set-default + symbol + (cond ((or (boundp symbol) (get symbol 'saved-value)) + value) + ((boundp 'gnus-treat-display-xface) + (message "\ +** gnus-treat-display-xface is an obsolete variable;\ + use gnus-treat-display-x-face instead") + (default-value 'gnus-treat-display-xface)) + ((get 'gnus-treat-display-xface 'saved-value) + (message "\ +** gnus-treat-display-xface is an obsolete variable;\ + use gnus-treat-display-x-face instead") + (eval (car (get 'gnus-treat-display-xface 'saved-value)))) + (t + value))))) +(put 'gnus-treat-display-x-face 'highlight t) + +(defcustom gnus-treat-display-face + (and (not noninteractive) + (or (and (fboundp 'image-type-available-p) + (image-type-available-p 'png)) + (and (featurep 'xemacs) + (featurep 'png))) + 'head) + "Display Face headers. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' and Info node +`(gnus)X-Face' for details." + :group 'gnus-article-treat + :version "22.1" + :link '(custom-manual "(gnus)Customizing Articles") + :link '(custom-manual "(gnus)X-Face") :type gnus-article-treat-head-custom) -(put 'gnus-treat-display-xface 'highlight t) +(put 'gnus-treat-display-face 'highlight t) -(defcustom gnus-treat-display-smileys +(defcustom gnus-treat-display-smileys (if (or (and (featurep 'xemacs) (featurep 'xpm)) (and (fboundp 'image-type-available-p) @@ -942,85 +1386,203 @@ See the manual for details." t nil) "Display smileys. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' and Info node +`(gnus)Smileys' for details." :group 'gnus-article-treat :version "21.1" + :link '(custom-manual "(gnus)Customizing Articles") + :link '(custom-manual "(gnus)Smileys") :type gnus-article-treat-custom) (put 'gnus-treat-display-smileys 'highlight t) -(defcustom gnus-treat-display-picons (if (featurep 'xemacs) 'head nil) - "Display picons. +(defcustom gnus-treat-from-picon + (if (and (gnus-image-type-available-p 'xpm) + (gnus-picons-installed-p)) + 'head nil) + "Display picons in the From header. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' and Info node +`(gnus)Picons' for details." + :version "22.1" + :group 'gnus-article-treat + :group 'gnus-picon + :link '(custom-manual "(gnus)Customizing Articles") + :link '(custom-manual "(gnus)Picons") + :type gnus-article-treat-head-custom) +(put 'gnus-treat-from-picon 'highlight t) + +(defcustom gnus-treat-mail-picon + (if (and (gnus-image-type-available-p 'xpm) + (gnus-picons-installed-p)) + 'head nil) + "Display picons in To and Cc headers. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' and Info node +`(gnus)Picons' for details." + :version "22.1" :group 'gnus-article-treat + :group 'gnus-picon + :link '(custom-manual "(gnus)Customizing Articles") + :link '(custom-manual "(gnus)Picons") + :type gnus-article-treat-head-custom) +(put 'gnus-treat-mail-picon 'highlight t) + +(defcustom gnus-treat-newsgroups-picon + (if (and (gnus-image-type-available-p 'xpm) + (gnus-picons-installed-p)) + 'head nil) + "Display picons in the Newsgroups and Followup-To headers. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' and Info node +`(gnus)Picons' for details." + :version "22.1" + :group 'gnus-article-treat + :group 'gnus-picon + :link '(custom-manual "(gnus)Customizing Articles") + :link '(custom-manual "(gnus)Picons") + :type gnus-article-treat-head-custom) +(put 'gnus-treat-newsgroups-picon 'highlight t) + +(defcustom gnus-treat-body-boundary + (if (or gnus-treat-newsgroups-picon + gnus-treat-mail-picon + gnus-treat-from-picon) + 'head nil) + "Draw a boundary at the end of the headers. +Valid values are nil and `head'. +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" + :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-head-custom) -(put 'gnus-treat-display-picons 'highlight t) (defcustom gnus-treat-capitalize-sentences nil "Capitalize sentence-starting words. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :version "21.1" :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") + :type gnus-article-treat-custom) + +(defcustom gnus-treat-wash-html nil + "Format as HTML. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" + :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-fill-long-lines nil "Fill long lines. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-play-sounds nil "Play sounds. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :version "21.1" :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) (defcustom gnus-treat-translate nil "Translate articles from one language to another. Valid values are nil, t, `head', `last', an integer or a predicate. -See the manual for details." +See Info node `(gnus)Customizing Articles' for details." :version "21.1" :group 'gnus-article-treat + :link '(custom-manual "(gnus)Customizing Articles") :type gnus-article-treat-custom) +(defcustom gnus-treat-x-pgp-sig nil + "Verify X-PGP-Sig. +To automatically treat X-PGP-Sig, set it to head. +Valid values are nil, t, `head', `last', an integer or a predicate. +See Info node `(gnus)Customizing Articles' for details." + :version "22.1" + :group 'gnus-article-treat + :group 'mime-security + :link '(custom-manual "(gnus)Customizing Articles") + :type gnus-article-treat-custom) + +(defvar gnus-article-encrypt-protocol-alist + '(("PGP" . mml2015-self-encrypt))) + +;; Set to nil if more than one protocol added to +;; gnus-article-encrypt-protocol-alist. +(defcustom gnus-article-encrypt-protocol "PGP" + "The protocol used for encrypt articles. +It is a string, such as \"PGP\". If nil, ask user." + :version "22.1" + :type 'string + :group 'mime-security) + +(defvar gnus-article-wash-function nil + "Function used for converting HTML into text.") + +(defcustom gnus-use-idna (and (condition-case nil (require 'idna) (file-error)) + (mm-coding-system-p 'utf-8) + (executable-find idna-program)) + "Whether IDNA decoding of headers is used when viewing messages. +This requires GNU Libidn, and by default only enabled if it is found." + :version "22.1" + :group 'gnus-article-headers + :type 'boolean) + +(defcustom gnus-article-over-scroll nil + "If non-nil, allow scrolling the article buffer even when there no more text." + :version "22.1" + :group 'gnus-article + :type 'boolean) + ;;; Internal variables +(defvar gnus-english-month-names + '("January" "February" "March" "April" "May" "June" "July" "August" + "September" "October" "November" "December")) + (defvar article-goto-body-goes-to-point-min-p nil) (defvar gnus-article-wash-types nil) (defvar gnus-article-emphasis-alist nil) +(defvar gnus-article-image-alist nil) (defvar gnus-article-mime-handle-alist-1 nil) (defvar gnus-treatment-function-alist - '((gnus-treat-strip-banner gnus-article-strip-banner) + '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig) + (gnus-treat-strip-banner gnus-article-strip-banner) (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body) (gnus-treat-highlight-signature gnus-article-highlight-signature) (gnus-treat-buttonize gnus-article-add-buttons) (gnus-treat-fill-article gnus-article-fill-cited-article) (gnus-treat-fill-long-lines gnus-article-fill-long-lines) (gnus-treat-strip-cr gnus-article-remove-cr) - (gnus-treat-emphasize gnus-article-emphasize) - (gnus-treat-display-xface gnus-article-display-x-face) + (gnus-treat-unsplit-urls gnus-article-unsplit-urls) + (gnus-treat-date-ut gnus-article-date-ut) + (gnus-treat-date-local gnus-article-date-local) + (gnus-treat-date-english gnus-article-date-english) + (gnus-treat-date-original gnus-article-date-original) + (gnus-treat-date-user-defined gnus-article-date-user) + (gnus-treat-date-iso8601 gnus-article-date-iso8601) + (gnus-treat-date-lapsed gnus-article-date-lapsed) + (gnus-treat-display-x-face gnus-article-display-x-face) + (gnus-treat-display-face gnus-article-display-face) (gnus-treat-hide-headers gnus-article-maybe-hide-headers) (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers) (gnus-treat-hide-signature gnus-article-hide-signature) - (gnus-treat-hide-citation gnus-article-hide-citation) - (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe) (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers) - (gnus-treat-strip-pgp gnus-article-hide-pgp) + (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace) (gnus-treat-strip-pem gnus-article-hide-pem) + (gnus-treat-from-picon gnus-treat-from-picon) + (gnus-treat-mail-picon gnus-treat-mail-picon) + (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon) (gnus-treat-highlight-headers gnus-article-highlight-headers) - (gnus-treat-highlight-citation gnus-article-highlight-citation) (gnus-treat-highlight-signature gnus-article-highlight-signature) - (gnus-treat-date-ut gnus-article-date-ut) - (gnus-treat-date-local gnus-article-date-local) - (gnus-treat-date-lapsed gnus-article-date-lapsed) - (gnus-treat-date-original gnus-article-date-original) - (gnus-treat-date-user-defined gnus-article-date-user) - (gnus-treat-date-iso8601 gnus-article-date-iso8601) (gnus-treat-strip-trailing-blank-lines gnus-article-remove-trailing-blank-lines) (gnus-treat-strip-leading-blank-lines @@ -1028,10 +1590,18 @@ See the manual for details." (gnus-treat-strip-multiple-blank-lines gnus-article-strip-multiple-blank-lines) (gnus-treat-overstrike gnus-article-treat-overstrike) + (gnus-treat-unfold-headers gnus-article-treat-unfold-headers) + (gnus-treat-fold-headers gnus-article-treat-fold-headers) + (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups) (gnus-treat-buttonize-head gnus-article-add-buttons-to-head) - (gnus-treat-display-smileys gnus-smiley-display) + (gnus-treat-display-smileys gnus-treat-smiley) (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences) - (gnus-treat-display-picons gnus-article-display-picons) + (gnus-treat-wash-html gnus-article-wash-html) + (gnus-treat-emphasize gnus-article-emphasize) + (gnus-treat-hide-citation gnus-article-hide-citation) + (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe) + (gnus-treat-highlight-citation gnus-article-highlight-citation) + (gnus-treat-body-boundary gnus-article-treat-body-boundary) (gnus-treat-play-sounds gnus-earcon-display))) (defvar gnus-article-mime-handle-alist nil) @@ -1040,9 +1610,13 @@ See the manual for details." (defvar gnus-article-mode-syntax-table (let ((table (copy-syntax-table text-mode-syntax-table))) - (modify-syntax-entry ?- "w" table) - (modify-syntax-entry ?> ")" table) - (modify-syntax-entry ?< "(" table) + ;; This causes the citation match run O(2^n). + ;; (modify-syntax-entry ?- "w" table) + (modify-syntax-entry ?> ")<" table) + (modify-syntax-entry ?< "(>" table) + ;; make M-. in article buffers work for `foo' strings + (modify-syntax-entry ?' " " table) + (modify-syntax-entry ?` " " table) table) "Syntax table used in article mode buffers. Initialized from `text-mode-syntax-table.") @@ -1058,6 +1632,36 @@ Initialized from `text-mode-syntax-table.") (defvar gnus-inhibit-hiding nil) +(defvar gnus-article-edit-mode nil) + +;;; Macros for dealing with the article buffer. + +(defmacro gnus-with-article-headers (&rest forms) + `(save-excursion + (set-buffer gnus-article-buffer) + (save-restriction + (let ((inhibit-read-only t) + (inhibit-point-motion-hooks t) + (case-fold-search t)) + (article-narrow-to-head) + ,@forms)))) + +(put 'gnus-with-article-headers 'lisp-indent-function 0) +(put 'gnus-with-article-headers 'edebug-form-spec '(body)) + +(defmacro gnus-with-article-buffer (&rest forms) + `(save-excursion + (set-buffer gnus-article-buffer) + (let ((inhibit-read-only t)) + ,@forms))) + +(put 'gnus-with-article-buffer 'lisp-indent-function 0) +(put 'gnus-with-article-buffer 'edebug-form-spec '(body)) + +(defun gnus-article-goto-header (header) + "Go to HEADER, which is a regular expression." + (re-search-forward (concat "^\\(" header "\\):") nil t)) + (defsubst gnus-article-hide-text (b e props) "Set text PROPS on the B to E region, extending `intangible' 1 past B." (gnus-add-text-properties-when 'article-type nil b e props) @@ -1075,14 +1679,13 @@ Initialized from `text-mode-syntax-table.") (defun gnus-article-hide-text-type (b e type) "Hide text of TYPE between B and E." - (push type gnus-article-wash-types) + (gnus-add-wash-type type) (gnus-article-hide-text b e (cons 'article-type (cons type gnus-hidden-properties)))) (defun gnus-article-unhide-text-type (b e type) "Unhide text of TYPE between B and E." - (setq gnus-article-wash-types - (delq type gnus-article-wash-types)) + (gnus-delete-wash-type type) (remove-text-properties b e (cons 'article-type (cons type gnus-hidden-properties))) (when (memq 'intangible gnus-hidden-properties) @@ -1101,10 +1704,24 @@ Initialized from `text-mode-syntax-table.") "Delete text of TYPE in the current buffer." (save-excursion (let ((b (point-min))) - (while (setq b (text-property-any b (point-max) 'article-type type)) - (delete-region - b (or (text-property-not-all b (point-max) 'article-type type) - (point-max))))))) + (if (eq type 'multipart) + ;; Remove MIME buttons associated with multipart/alternative parts. + (progn + (goto-char b) + (while (if (get-text-property (point) 'gnus-part) + (setq b (point)) + (when (setq b (next-single-property-change (point) + 'gnus-part)) + (goto-char b) + t)) + (end-of-line) + (skip-chars-forward "\n") + (when (eq (get-text-property b 'article-type) 'multipart) + (delete-region b (point))))) + (while (setq b (text-property-any b (point-max) 'article-type type)) + (delete-region + b (or (text-property-not-all b (point-max) 'article-type type) + (point-max)))))))) (defun gnus-article-delete-invisible-text () "Delete all invisible text in the current buffer." @@ -1122,38 +1739,48 @@ Initialized from `text-mode-syntax-table.") (defsubst gnus-article-header-rank () "Give the rank of the string HEADER as given by `gnus-sorted-header-list'." (let ((list gnus-sorted-header-list) - (i 0)) + (i 1)) (while list - (when (looking-at (car list)) - (setq list nil)) - (setq list (cdr list)) - (incf i)) - i)) + (if (looking-at (car list)) + (setq list nil) + (setq list (cdr list)) + (incf i))) + i)) (defun article-hide-headers (&optional arg delete) "Hide unwanted headers and possibly sort them as well." (interactive) ;; This function might be inhibited. (unless gnus-inhibit-hiding - (save-excursion - (save-restriction - (let ((buffer-read-only nil) - (case-fold-search t) - (max (1+ (length gnus-sorted-header-list))) - (ignored (when (not gnus-visible-headers) - (cond ((stringp gnus-ignored-headers) - gnus-ignored-headers) - ((listp gnus-ignored-headers) - (mapconcat 'identity gnus-ignored-headers - "\\|"))))) - (visible - (cond ((stringp gnus-visible-headers) - gnus-visible-headers) - ((and gnus-visible-headers - (listp gnus-visible-headers)) - (mapconcat 'identity gnus-visible-headers "\\|")))) - (inhibit-point-motion-hooks t) - beg) + (let ((inhibit-read-only nil) + (case-fold-search t) + (max (1+ (length gnus-sorted-header-list))) + (inhibit-point-motion-hooks t) + (cur (current-buffer)) + ignored visible beg) + (save-excursion + ;; `gnus-ignored-headers' and `gnus-visible-headers' may be + ;; group parameters, so we should go to the summary buffer. + (when (prog1 + (condition-case nil + (progn (set-buffer gnus-summary-buffer) t) + (error nil)) + (setq ignored (when (not gnus-visible-headers) + (cond ((stringp gnus-ignored-headers) + gnus-ignored-headers) + ((listp gnus-ignored-headers) + (mapconcat 'identity + gnus-ignored-headers + "\\|")))) + visible (cond ((stringp gnus-visible-headers) + gnus-visible-headers) + ((and gnus-visible-headers + (listp gnus-visible-headers)) + (mapconcat 'identity + gnus-visible-headers + "\\|"))))) + (set-buffer cur)) + (save-restriction ;; First we narrow to just the headers. (article-narrow-to-head) ;; Hide any "From " lines at the beginning of (mail) articles. @@ -1166,7 +1793,7 @@ Initialized from `text-mode-syntax-table.") ;; `gnus-ignored-headers' and `gnus-visible-headers' to ;; select which header lines is to remain visible in the ;; article buffer. - (while (re-search-forward "^[^ \t]*:" nil t) + (while (re-search-forward "^[^ \t:]*:" nil t) (beginning-of-line) ;; Mark the rank of the header. (put-text-property @@ -1181,7 +1808,7 @@ Initialized from `text-mode-syntax-table.") (when (setq beg (text-property-any (point-min) (point-max) 'message-rank (+ 2 max))) ;; We delete the unwanted headers. - (push 'headers gnus-article-wash-types) + (gnus-add-wash-type 'headers) (add-text-properties (point-min) (+ 5 (point-min)) '(article-type headers dummy-invisible t)) (delete-region beg (point-max)))))))) @@ -1195,7 +1822,7 @@ always hide." (not gnus-show-all-headers)) (save-excursion (save-restriction - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (list gnus-boring-article-headers) (inhibit-point-motion-hooks t) elem) @@ -1209,7 +1836,7 @@ always hide." (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t) (forward-line -1) (gnus-article-hide-text-type - (progn (beginning-of-line) (point)) + (gnus-point-at-bol) (progn (end-of-line) (if (re-search-forward "^[^ \t]" nil t) @@ -1218,28 +1845,83 @@ always hide." 'boring-headers))) ;; Hide boring Newsgroups header. ((eq elem 'newsgroups) - (when (equal (gnus-fetch-field "newsgroups") - (gnus-group-real-name - (if (boundp 'gnus-newsgroup-name) - gnus-newsgroup-name - ""))) + (when (gnus-string-equal + (gnus-fetch-field "newsgroups") + (gnus-group-real-name + (if (boundp 'gnus-newsgroup-name) + gnus-newsgroup-name + ""))) (gnus-article-hide-header "newsgroups"))) + ((eq elem 'to-address) + (let ((to (message-fetch-field "to")) + (to-address + (gnus-parameter-to-address + (if (boundp 'gnus-newsgroup-name) + gnus-newsgroup-name "")))) + (when (and to to-address + (ignore-errors + (gnus-string-equal + ;; only one address in To + (nth 1 (mail-extract-address-components to)) + to-address))) + (gnus-article-hide-header "to")))) + ((eq elem 'to-list) + (let ((to (message-fetch-field "to")) + (to-list + (gnus-parameter-to-list + (if (boundp 'gnus-newsgroup-name) + gnus-newsgroup-name "")))) + (when (and to to-list + (ignore-errors + (gnus-string-equal + ;; only one address in To + (nth 1 (mail-extract-address-components to)) + to-list))) + (gnus-article-hide-header "to")))) + ((eq elem 'cc-list) + (let ((cc (message-fetch-field "cc")) + (to-list + (gnus-parameter-to-list + (if (boundp 'gnus-newsgroup-name) + gnus-newsgroup-name "")))) + (when (and cc to-list + (ignore-errors + (gnus-string-equal + ;; only one address in CC + (nth 1 (mail-extract-address-components cc)) + to-list))) + (gnus-article-hide-header "cc")))) ((eq elem 'followup-to) - (when (equal (message-fetch-field "followup-to") - (message-fetch-field "newsgroups")) + (when (gnus-string-equal + (message-fetch-field "followup-to") + (message-fetch-field "newsgroups")) (gnus-article-hide-header "followup-to"))) ((eq elem 'reply-to) - (let ((from (message-fetch-field "from")) - (reply-to (message-fetch-field "reply-to"))) - (when (and + (if (gnus-group-find-parameter + gnus-newsgroup-name 'broken-reply-to) + (gnus-article-hide-header "reply-to") + (let ((from (message-fetch-field "from")) + (reply-to (message-fetch-field "reply-to"))) + (when + (and from reply-to (ignore-errors (equal - (nth 1 (mail-extract-address-components from)) - (nth 1 (mail-extract-address-components reply-to))))) - (gnus-article-hide-header "reply-to")))) + (sort (mapcar + (lambda (x) (downcase (cadr x))) + (mail-extract-address-components from t)) + 'string<) + (sort (mapcar + (lambda (x) (downcase (cadr x))) + (mail-extract-address-components reply-to t)) + 'string<)))) + (gnus-article-hide-header "reply-to"))))) ((eq elem 'date) - (let ((date (message-fetch-field "date"))) + (let ((date (with-current-buffer gnus-original-article-buffer + ;; If date in `gnus-article-buffer' is localized + ;; (`gnus-treat-date-user-defined'), + ;; `days-between' might fail. + (message-fetch-field "date")))) (when (and date (< (days-between (current-time-string) date) 4)) @@ -1284,7 +1966,7 @@ always hide." (goto-char (point-min)) (when (re-search-forward (concat "^" header ":") nil t) (gnus-article-hide-text-type - (progn (beginning-of-line) (point)) + (gnus-point-at-bol) (progn (end-of-line) (if (re-search-forward "^[^ \t]" nil t) @@ -1298,7 +1980,7 @@ always hide." (defun article-normalize-headers () "Make all header lines 40 characters long." (interactive) - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) column) (save-excursion (save-restriction @@ -1324,14 +2006,15 @@ always hide." (forward-line 1)))))) (defun article-treat-dumbquotes () - "Translate M****s*** sm*rtq**t*s into proper text. + "Translate M****s*** sm*rtq**t*s and other symbols into proper text. Note that this function guesses whether a character is a sm*rtq**t* or not, so it should only be used interactively. -Sm*rtq**t*s are M****s***'s unilateral extension to the character map -in an attempt to provide more quoting characters. If you see -something like \\222 or \\264 where you're expecting some kind of -apostrophe or quotation mark, then try this wash." +Sm*rtq**t*s are M****s***'s unilateral extension to the +iso-8859-1 character map in an attempt to provide more quoting +characters. If you see something like \\222 or \\264 where +you're expecting some kind of apostrophe or quotation mark, then +try this wash." (interactive) (article-translate-strings gnus-article-dumbquotes-map)) @@ -1341,7 +2024,7 @@ FROM is a string of characters to translate from; to is a string of characters to translate to." (save-excursion (when (article-goto-body) - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (x (make-string 225 ?x)) (i -1)) (while (< (incf i) (length x)) @@ -1357,7 +2040,7 @@ characters to translate to." MAP is an alist where the elements are on the form (\"from\" \"to\")." (save-excursion (when (article-goto-body) - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) elem) (while (setq elem (pop map)) (save-excursion @@ -1369,7 +2052,7 @@ MAP is an alist where the elements are on the form (\"from\" \"to\")." (interactive) (save-excursion (when (article-goto-body) - (let ((buffer-read-only nil)) + (let ((inhibit-read-only t)) (while (search-forward "\b" nil t) (let ((next (char-after)) (previous (char-after (- (point) 2)))) @@ -1390,21 +2073,106 @@ MAP is an alist where the elements are on the form (\"from\" \"to\")." (put-text-property (point) (1+ (point)) 'face 'underline))))))))) +(defun gnus-article-treat-unfold-headers () + "Unfold folded message headers. +Only the headers that fit into the current window width will be +unfolded." + (interactive) + (gnus-with-article-headers + (let (length) + (while (not (eobp)) + (save-restriction + (mail-header-narrow-to-field) + (let ((header (buffer-string))) + (with-temp-buffer + (insert header) + (goto-char (point-min)) + (while (re-search-forward "\n[\t ]" nil t) + (replace-match " " t t))) + (setq length (- (point-max) (point-min) 1))) + (when (< length (window-width)) + (while (re-search-forward "\n[\t ]" nil t) + (replace-match " " t t))) + (goto-char (point-max))))))) + +(defun gnus-article-treat-fold-headers () + "Fold message headers." + (interactive) + (gnus-with-article-headers + (while (not (eobp)) + (save-restriction + (mail-header-narrow-to-field) + (mail-header-fold-field) + (goto-char (point-max)))))) + +(defun gnus-treat-smiley () + "Toggle display of textual emoticons (\"smileys\") as small graphical icons." + (interactive) + (gnus-with-article-buffer + (if (memq 'smiley gnus-article-wash-types) + (gnus-delete-images 'smiley) + (article-goto-body) + (let ((images (smiley-region (point) (point-max)))) + (when images + (gnus-add-wash-type 'smiley) + (dolist (image images) + (gnus-add-image 'smiley image))))))) + +(defun gnus-article-remove-images () + "Remove all images from the article buffer." + (interactive) + (gnus-with-article-buffer + (dolist (elem gnus-article-image-alist) + (gnus-delete-images (car elem))))) + +(defun gnus-article-treat-fold-newsgroups () + "Unfold folded message headers. +Only the headers that fit into the current window width will be +unfolded." + (interactive) + (gnus-with-article-headers + (while (gnus-article-goto-header "newsgroups\\|followup-to") + (save-restriction + (mail-header-narrow-to-field) + (while (re-search-forward ", *" nil t) + (replace-match ", " t t)) + (mail-header-fold-field) + (goto-char (point-max)))))) + +(defun gnus-article-treat-body-boundary () + "Place a boundary line at the end of the headers." + (interactive) + (when (and gnus-body-boundary-delimiter + (> (length gnus-body-boundary-delimiter) 0)) + (gnus-with-article-headers + (goto-char (point-max)) + (let ((start (point))) + (insert "X-Boundary: ") + (gnus-add-text-properties start (point) '(invisible t intangible t)) + (insert (let (str) + (while (>= (1- (window-width)) (length str)) + (setq str (concat str gnus-body-boundary-delimiter))) + (substring str 0 (1- (window-width)))) + "\n") + (gnus-put-text-property start (point) 'gnus-decoration 'header))))) + (defun article-fill-long-lines () "Fill lines that are wider than the window width." (interactive) (save-excursion - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (width (window-width (get-buffer-window (current-buffer))))) (save-restriction (article-goto-body) - (let ((adaptive-fill-mode nil)) + (let ((adaptive-fill-mode nil)) ;Why? -sm (while (not (eobp)) (end-of-line) (when (>= (current-column) (min fill-column width)) - (narrow-to-region (point) (gnus-point-at-bol)) - (fill-paragraph nil) - (goto-char (point-max)) + (narrow-to-region (min (1+ (point)) (point-max)) + (gnus-point-at-bol)) + (let ((goback (point-marker))) + (fill-paragraph nil) + (goto-char (marker-position goback))) (widen)) (forward-line 1))))))) @@ -1412,7 +2180,7 @@ MAP is an alist where the elements are on the form (\"from\" \"to\")." "Capitalize the first word in each sentence." (interactive) (save-excursion - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (paragraph-start "^[\n\^L]")) (article-goto-body) (while (not (eobp)) @@ -1423,7 +2191,7 @@ MAP is an alist where the elements are on the form (\"from\" \"to\")." "Remove trailing CRs and then translate remaining CRs into LFs." (interactive) (save-excursion - (let ((buffer-read-only nil)) + (let ((inhibit-read-only t)) (goto-char (point-min)) (while (re-search-forward "\r+$" nil t) (replace-match "" t t)) @@ -1435,7 +2203,7 @@ MAP is an alist where the elements are on the form (\"from\" \"to\")." "Remove all trailing blank lines from the article." (interactive) (save-excursion - (let ((buffer-read-only nil)) + (let ((inhibit-read-only t)) (goto-char (point-max)) (delete-region (point) @@ -1448,56 +2216,106 @@ MAP is an alist where the elements are on the form (\"from\" \"to\")." (forward-line 1) (point)))))) +(defun article-display-face () + "Display any Face headers in the header." + (interactive) + (let ((wash-face-p buffer-read-only)) + (gnus-with-article-headers + ;; When displaying parts, this function can be called several times on + ;; the same article, without any intended toggle semantic (as typing `W + ;; D d' would have). So face deletion must occur only when we come from + ;; an interactive command, that is when the *Article* buffer is + ;; read-only. + (if (and wash-face-p (memq 'face gnus-article-wash-types)) + (gnus-delete-images 'face) + (let (face faces from) + (save-current-buffer + (when (and wash-face-p + (gnus-buffer-live-p gnus-original-article-buffer) + (not (re-search-forward "^Face:[\t ]*" nil t))) + (set-buffer gnus-original-article-buffer)) + (save-restriction + (mail-narrow-to-head) + (while (gnus-article-goto-header "Face") + (push (mail-header-field-value) faces)))) + (when faces + (goto-char (point-min)) + (let ((from (gnus-article-goto-header "from")) + png image) + (unless from + (insert "From:") + (setq from (point)) + (insert "[no `from' set]\n")) + (while faces + (when (setq png (gnus-convert-face-to-png (pop faces))) + (setq image (gnus-create-image png 'png t)) + (goto-char from) + (gnus-add-wash-type 'face) + (gnus-add-image 'face image) + (gnus-put-image image nil 'face)))))))))) + (defun article-display-x-face (&optional force) "Look for an X-Face header and display it if present." (interactive (list 'force)) - (save-excursion - ;; Delete the old process, if any. - (when (process-status "article-x-face") - (delete-process "article-x-face")) - (let ((inhibit-point-motion-hooks t) - (case-fold-search t) - from last) - (save-restriction - (article-narrow-to-head) - (goto-char (point-min)) - (setq from (message-fetch-field "from")) - (goto-char (point-min)) - (while (and gnus-article-x-face-command - (not last) - (or force - ;; Check whether this face is censored. - (not gnus-article-x-face-too-ugly) - (and gnus-article-x-face-too-ugly from - (not (string-match gnus-article-x-face-too-ugly - from)))) - ;; Has to be present. - (re-search-forward "^X-Face: " nil t)) - ;; This used to try to do multiple faces (`while' instead of - ;; `when' above), but (a) sending multiple EOFs to xv doesn't - ;; work (b) it can crash some versions of Emacs (c) are - ;; multiple faces really something to encourage? + (let ((wash-face-p buffer-read-only)) ;; When type `W f' + (gnus-with-article-headers + ;; Delete the old process, if any. + (when (process-status "article-x-face") + (delete-process "article-x-face")) + ;; See the comment in `article-display-face'. + (if (and wash-face-p (memq 'xface gnus-article-wash-types)) + ;; We have already displayed X-Faces, so we remove them + ;; instead. + (gnus-delete-images 'xface) + ;; Display X-Faces. + (let (x-faces from face) + (save-current-buffer + (when (and wash-face-p + (gnus-buffer-live-p gnus-original-article-buffer) + (not (re-search-forward "^X-Face:[\t ]*" nil t))) + ;; If type `W f', use gnus-original-article-buffer, + ;; otherwise use the current buffer because displaying + ;; RFC822 parts calls this function too. + (set-buffer gnus-original-article-buffer)) + (save-restriction + (mail-narrow-to-head) + (while (gnus-article-goto-header "X-Face") + (push (mail-header-field-value) x-faces)) + (setq from (message-fetch-field "from")))) + ;; Sending multiple EOFs to xv doesn't work, so we only do a + ;; single external face. (when (stringp gnus-article-x-face-command) - (setq last t)) - ;; We now have the area of the buffer where the X-Face is stored. - (save-excursion - (let ((beg (point)) - (end (1- (re-search-forward "^\\($\\|[^ \t]\\)" nil t)))) + (setq x-faces (list (car x-faces)))) + (when (and x-faces + gnus-article-x-face-command + (or force + ;; Check whether this face is censored. + (not gnus-article-x-face-too-ugly) + (and from + (not (string-match gnus-article-x-face-too-ugly + from))))) + (while (setq face (pop x-faces)) ;; We display the face. - (if (symbolp gnus-article-x-face-command) - ;; The command is a lisp function, so we call it. - (if (gnus-functionp gnus-article-x-face-command) - (funcall gnus-article-x-face-command beg end) - (error "%s is not a function" gnus-article-x-face-command)) - ;; The command is a string, so we interpret the command - ;; as a, well, command, and fork it off. - (let ((process-connection-type nil)) - (process-kill-without-query - (start-process - "article-x-face" nil shell-file-name shell-command-switch - gnus-article-x-face-command)) - (process-send-region "article-x-face" beg end) - (process-send-eof "article-x-face")))))))))) + (cond ((stringp gnus-article-x-face-command) + ;; The command is a string, so we interpret the command + ;; as a, well, command, and fork it off. + (let ((process-connection-type nil)) + (gnus-set-process-query-on-exit-flag + (start-process + "article-x-face" nil shell-file-name + shell-command-switch gnus-article-x-face-command) + nil) + (with-temp-buffer + (insert face) + (process-send-region "article-x-face" + (point-min) (point-max))) + (process-send-eof "article-x-face"))) + ((functionp gnus-article-x-face-command) + ;; The command is a lisp function, so we call it. + (funcall gnus-article-x-face-command face)) + (t + (error "%s is not a function" + gnus-article-x-face-command)))))))))) (defun article-decode-mime-words () "Decode all MIME-encoded words in the article." @@ -1505,9 +2323,9 @@ MAP is an alist where the elements are on the form (\"from\" \"to\")." (save-excursion (set-buffer gnus-article-buffer) (let ((inhibit-point-motion-hooks t) - buffer-read-only + (inhibit-read-only t) (mail-parse-charset gnus-newsgroup-charset) - (mail-parse-ignored-charsets + (mail-parse-ignored-charsets (save-excursion (set-buffer gnus-summary-buffer) gnus-newsgroup-ignored-charsets))) (mail-decode-encoded-word-region (point-min) (point-max))))) @@ -1517,81 +2335,158 @@ MAP is an alist where the elements are on the form (\"from\" \"to\")." If PROMPT (the prefix), prompt for a coding system to use." (interactive "P") (let ((inhibit-point-motion-hooks t) (case-fold-search t) - buffer-read-only + (inhibit-read-only t) (mail-parse-charset gnus-newsgroup-charset) - (mail-parse-ignored-charsets + (mail-parse-ignored-charsets (save-excursion (condition-case nil (set-buffer gnus-summary-buffer) (error)) gnus-newsgroup-ignored-charsets)) ct cte ctl charset format) - (save-excursion - (save-restriction - (article-narrow-to-head) - (setq ct (message-fetch-field "Content-Type" t) - cte (message-fetch-field "Content-Transfer-Encoding" t) - ctl (and ct (ignore-errors - (mail-header-parse-content-type ct))) - charset (cond - (prompt - (mm-read-coding-system "Charset to decode: ")) - (ctl - (mail-content-type-get ctl 'charset))) - format (and ctl (mail-content-type-get ctl 'format))) - (when cte - (setq cte (mail-header-strip cte))) - (if (and ctl (not (string-match "/" (car ctl)))) - (setq ctl nil)) - (goto-char (point-max))) - (forward-line 1) - (save-restriction - (narrow-to-region (point) (point-max)) - (when (and (eq mail-parse-charset 'gnus-decoded) - (eq (mm-body-7-or-8) '8bit)) - ;; The text code could have been decoded. - (setq charset mail-parse-charset)) - (when (and (or (not ctl) - (equal (car ctl) "text/plain")) - (not format)) ;; article with format will decode later. - (mm-decode-body - charset (and cte (intern (downcase - (gnus-strip-whitespace cte)))) - (car ctl))))))) + (save-excursion + (save-restriction + (article-narrow-to-head) + (setq ct (message-fetch-field "Content-Type" t) + cte (message-fetch-field "Content-Transfer-Encoding" t) + ctl (and ct (mail-header-parse-content-type ct)) + charset (cond + (prompt + (mm-read-coding-system "Charset to decode: ")) + (ctl + (mail-content-type-get ctl 'charset))) + format (and ctl (mail-content-type-get ctl 'format))) + (when cte + (setq cte (mail-header-strip cte))) + (if (and ctl (not (string-match "/" (car ctl)))) + (setq ctl nil)) + (goto-char (point-max))) + (forward-line 1) + (save-restriction + (narrow-to-region (point) (point-max)) + (when (and (eq mail-parse-charset 'gnus-decoded) + (eq (mm-body-7-or-8) '8bit)) + ;; The text code could have been decoded. + (setq charset mail-parse-charset)) + (when (and (or (not ctl) + (equal (car ctl) "text/plain")) + (not format)) ;; article with format will decode later. + (mm-decode-body + charset (and cte (intern (downcase + (gnus-strip-whitespace cte)))) + (car ctl))))))) (defun article-decode-encoded-words () "Remove encoded-word encoding from headers." (let ((inhibit-point-motion-hooks t) (mail-parse-charset gnus-newsgroup-charset) - (mail-parse-ignored-charsets + (mail-parse-ignored-charsets (save-excursion (condition-case nil (set-buffer gnus-summary-buffer) (error)) gnus-newsgroup-ignored-charsets)) - buffer-read-only) + (inhibit-read-only t) + end start) + (goto-char (point-min)) + (when (search-forward "\n\n" nil 'move) + (forward-line -1)) + (setq end (point)) + (while (not (bobp)) + (while (progn + (forward-line -1) + (and (not (bobp)) + (memq (char-after) '(?\t ? ))))) + (setq start (point)) + (if (looking-at "\ +\\(?:Resent-\\)?\\(?:From\\|Cc\\|To\\|Bcc\\|\\(?:In-\\)?Reply-To\\|Sender\ +\\|Mail-Followup-To\\|Mail-Copies-To\\|Approved\\):") + (funcall gnus-decode-address-function start end) + (funcall gnus-decode-header-function start end)) + (goto-char (setq end start))))) + +(defun article-decode-group-name () + "Decode group names in `Newsgroups:'." + (let ((inhibit-point-motion-hooks t) + (inhibit-read-only t) + (method (gnus-find-method-for-group gnus-newsgroup-name))) + (when (and (or gnus-group-name-charset-method-alist + gnus-group-name-charset-group-alist) + (gnus-buffer-live-p gnus-original-article-buffer)) + (save-restriction + (article-narrow-to-head) + (with-current-buffer gnus-original-article-buffer + (goto-char (point-min))) + (while (re-search-forward + "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t) + (replace-match (save-match-data + (gnus-decode-newsgroups + ;; XXX how to use data in article buffer? + (with-current-buffer gnus-original-article-buffer + (re-search-forward + "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" + nil t) + (match-string 1)) + gnus-newsgroup-name method)) + t t nil 1)) + (goto-char (point-min)) + (with-current-buffer gnus-original-article-buffer + (goto-char (point-min))) + (while (re-search-forward + "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t) + (replace-match (save-match-data + (gnus-decode-newsgroups + ;; XXX how to use data in article buffer? + (with-current-buffer gnus-original-article-buffer + (re-search-forward + "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" + nil t) + (match-string 1)) + gnus-newsgroup-name method)) + t t nil 1)))))) + +(autoload 'idna-to-unicode "idna") + +(defun article-decode-idna-rhs () + "Decode IDNA strings in RHS in various headers in current buffer. +The following headers are decoded: From:, To:, Cc:, Reply-To:, +Mail-Reply-To: and Mail-Followup-To:." + (when gnus-use-idna (save-restriction - (article-narrow-to-head) - (funcall gnus-decode-header-function (point-min) (point-max))))) - -(defun article-de-quoted-unreadable (&optional force) + (let ((inhibit-point-motion-hooks t) + (inhibit-read-only t)) + (article-narrow-to-head) + (goto-char (point-min)) + (while (re-search-forward "@[^ \t\n\r,>]*\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t) + (let (ace unicode) + (when (save-match-data + (and (setq ace (match-string 1)) + (save-excursion + (and (re-search-backward "^[^ \t]" nil t) + (looking-at "From\\|To\\|Cc\\|Reply-To\\|Mail-Reply-To\\|Mail-Followup-To"))) + (setq unicode (idna-to-unicode ace)))) + (unless (string= ace unicode) + (replace-match unicode nil nil nil 1))))))))) + +(defun article-de-quoted-unreadable (&optional force read-charset) "Translate a quoted-printable-encoded article. If FORCE, decode the article whether it is marked as quoted-printable -or not." - (interactive (list 'force)) +or not. +If READ-CHARSET, ask for a coding system." + (interactive (list 'force current-prefix-arg)) (save-excursion - (let ((buffer-read-only nil) type charset) + (let ((inhibit-read-only t) type charset) (if (gnus-buffer-live-p gnus-original-article-buffer) (with-current-buffer gnus-original-article-buffer (setq type (gnus-fetch-field "content-transfer-encoding")) (let* ((ct (gnus-fetch-field "content-type")) - (ctl (and ct - (ignore-errors - (mail-header-parse-content-type ct))))) + (ctl (and ct (mail-header-parse-content-type ct)))) (setq charset (and ctl (mail-content-type-get ctl 'charset))) (if (stringp charset) (setq charset (intern (downcase charset))))))) - (unless charset + (if read-charset + (setq charset (mm-read-coding-system "Charset: " charset))) + (unless charset (setq charset gnus-newsgroup-charset)) (when (or force (and type (let ((case-fold-search t)) @@ -1600,25 +2495,26 @@ or not." (quoted-printable-decode-region (point) (point-max) (mm-charset-to-coding-system charset)))))) -(defun article-de-base64-unreadable (&optional force) +(defun article-de-base64-unreadable (&optional force read-charset) "Translate a base64 article. -If FORCE, decode the article whether it is marked as base64 not." - (interactive (list 'force)) +If FORCE, decode the article whether it is marked as base64 not. +If READ-CHARSET, ask for a coding system." + (interactive (list 'force current-prefix-arg)) (save-excursion - (let ((buffer-read-only nil) type charset) + (let ((inhibit-read-only t) type charset) (if (gnus-buffer-live-p gnus-original-article-buffer) (with-current-buffer gnus-original-article-buffer (setq type (gnus-fetch-field "content-transfer-encoding")) (let* ((ct (gnus-fetch-field "content-type")) - (ctl (and ct - (ignore-errors - (mail-header-parse-content-type ct))))) + (ctl (and ct (mail-header-parse-content-type ct)))) (setq charset (and ctl (mail-content-type-get ctl 'charset))) (if (stringp charset) (setq charset (intern (downcase charset))))))) - (unless charset + (if read-charset + (setq charset (mm-read-coding-system "Charset: " charset))) + (unless charset (setq charset gnus-newsgroup-charset)) (when (or force (and type (let ((case-fold-search t)) @@ -1638,96 +2534,131 @@ If FORCE, decode the article whether it is marked as base64 not." (interactive) (require 'rfc1843) (save-excursion - (let ((buffer-read-only nil)) + (let ((inhibit-read-only t)) (rfc1843-decode-region (point-min) (point-max))))) -(defun article-wash-html () - "Format an html article." +(defun article-unsplit-urls () + "Remove the newlines that some other mailers insert into URLs." (interactive) (save-excursion - (let ((buffer-read-only nil) + (let ((inhibit-read-only t)) + (goto-char (point-min)) + (while (re-search-forward + "\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t) + (replace-match "\\1\\3" t))) + (when (interactive-p) + (gnus-treat-article nil)))) + + +(defun article-wash-html (&optional read-charset) + "Format an HTML article. +If READ-CHARSET, ask for a coding system. If it is a number, the +charset defined in `gnus-summary-show-article-charset-alist' is used." + (interactive "P") + (save-excursion + (let ((inhibit-read-only t) charset) - (if (gnus-buffer-live-p gnus-original-article-buffer) + (if read-charset + (if (or (and (numberp read-charset) + (setq charset + (cdr + (assq read-charset + gnus-summary-show-article-charset-alist)))) + (setq charset (mm-read-coding-system "Charset: "))) + (let ((gnus-summary-show-article-charset-alist + (list (cons 1 charset)))) + (with-current-buffer gnus-summary-buffer + (gnus-summary-show-article 1))) + (error "No charset is given")) + (when (gnus-buffer-live-p gnus-original-article-buffer) (with-current-buffer gnus-original-article-buffer (let* ((ct (gnus-fetch-field "content-type")) - (ctl (and ct - (ignore-errors - (mail-header-parse-content-type ct))))) + (ctl (and ct (mail-header-parse-content-type ct)))) (setq charset (and ctl (mail-content-type-get ctl 'charset))) - (if (stringp charset) - (setq charset (intern (downcase charset))))))) - (unless charset - (setq charset gnus-newsgroup-charset)) + (when (stringp charset) + (setq charset (intern (downcase charset))))))) + (unless charset + (setq charset gnus-newsgroup-charset))) (article-goto-body) (save-window-excursion (save-restriction (narrow-to-region (point) (point-max)) - (mm-setup-w3) - (let ((w3-strict-width (window-width)) - (url-standalone-mode t)) - (condition-case var - (w3-region (point-min) (point-max)) - (error)))))))) + (let* ((func (or gnus-article-wash-function mm-text-html-renderer)) + (entry (assq func mm-text-html-washer-alist))) + (when entry + (setq func (cdr entry))) + (cond + ((functionp func) + (funcall func)) + (t + (apply (car func) (cdr func)))))))))) + +(defun gnus-article-wash-html-with-w3 () + "Wash the current buffer with w3." + (mm-setup-w3) + (let ((w3-strict-width (window-width)) + (url-standalone-mode t) + (url-gateway-unplugged t) + (w3-honor-stylesheets nil)) + (condition-case () + (w3-region (point-min) (point-max)) + (error)))) + +(defun gnus-article-wash-html-with-w3m () + "Wash the current buffer with emacs-w3m." + (mm-setup-w3m) + (let ((w3m-safe-url-regexp mm-w3m-safe-url-regexp) + w3m-force-redisplay) + (w3m-region (point-min) (point-max))) + (when (and mm-inline-text-html-with-w3m-keymap + (boundp 'w3m-minor-mode-map) + w3m-minor-mode-map) + (add-text-properties + (point-min) (point-max) + (list 'keymap w3m-minor-mode-map + ;; Put the mark meaning this part was rendered by emacs-w3m. + 'mm-inline-text-html-with-w3m t)))) + +(eval-when-compile (defvar charset)) ;; Bound by `article-wash-html'. + +(defun gnus-article-wash-html-with-w3m-standalone () + "Wash the current buffer with w3m." + (if (mm-w3m-standalone-supports-m17n-p) + (progn + (unless (mm-coding-system-p charset) ;; Bound by `article-wash-html'. + ;; The default. + (setq charset 'iso-8859-1)) + (let ((coding-system-for-write charset) + (coding-system-for-read charset)) + (call-process-region + (point-min) (point-max) + "w3m" t t nil "-dump" "-T" "text/html" + "-I" (symbol-name charset) "-O" (symbol-name charset)))) + (mm-inline-wash-with-stdin nil "w3m" "-dump" "-T" "text/html"))) (defun article-hide-list-identifiers () "Remove list identifies from the Subject header. The `gnus-list-identifiers' variable specifies what to do." (interactive) - (save-excursion - (save-restriction - (let ((inhibit-point-motion-hooks t) - buffer-read-only) - (article-narrow-to-head) - (let ((regexp (if (stringp gnus-list-identifiers) gnus-list-identifiers - (mapconcat 'identity gnus-list-identifiers " *\\|")))) - (when regexp - (goto-char (point-min)) - (when (re-search-forward - (concat "^Subject: +\\(\\(\\(Re: +\\)?\\(" regexp - " *\\)\\)+\\(Re: +\\)?\\)") - nil t) - (let ((s (or (match-string 3) (match-string 5)))) - (delete-region (match-beginning 1) (match-end 1)) - (when s - (goto-char (match-beginning 1)) - (insert s)))))))))) - -(defun article-hide-pgp () - "Remove any PGP headers and signatures in the current article." - (interactive) - (save-excursion - (save-restriction - (let ((inhibit-point-motion-hooks t) - buffer-read-only beg end) - (article-goto-body) - ;; Hide the "header". - (when (re-search-forward "^-----BEGIN PGP SIGNED MESSAGE-----\n" nil t) - (push 'pgp gnus-article-wash-types) - (delete-region (match-beginning 0) (match-end 0)) - ;; Remove armor headers (rfc2440 6.2) - (delete-region (point) (or (re-search-forward "^[ \t]*\n" nil t) - (point))) - (setq beg (point)) - ;; Hide the actual signature. - (and (search-forward "\n-----BEGIN PGP SIGNATURE-----\n" nil t) - (setq end (1+ (match-beginning 0))) - (delete-region - end - (if (search-forward "\n-----END PGP SIGNATURE-----\n" nil t) - (match-end 0) - ;; Perhaps we shouldn't hide to the end of the buffer - ;; if there is no end to the signature? - (point-max)))) - ;; Hide "- " PGP quotation markers. - (when (and beg end) - (narrow-to-region beg end) - (goto-char (point-min)) - (while (re-search-forward "^- " nil t) - (delete-region - (match-beginning 0) (match-end 0))) - (widen)) - (gnus-run-hooks 'gnus-article-hide-pgp-hook)))))) + (let ((inhibit-point-motion-hooks t) + (regexp (if (consp gnus-list-identifiers) + (mapconcat 'identity gnus-list-identifiers " *\\|") + gnus-list-identifiers)) + (inhibit-read-only t)) + (when regexp + (save-excursion + (save-restriction + (article-narrow-to-head) + (goto-char (point-min)) + (while (re-search-forward + (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)") + nil t) + (delete-region (match-beginning 2) (match-end 0)) + (beginning-of-line)) + (when (re-search-forward + "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t) + (delete-region (match-beginning 1) (match-end 1)))))))) (defun article-hide-pem (&optional arg) "Toggle hiding of any PEM headers and signatures in the current article. @@ -1736,14 +2667,14 @@ always hide." (interactive (gnus-article-hidden-arg)) (unless (gnus-article-check-hidden-text 'pem arg) (save-excursion - (let (buffer-read-only end) + (let ((inhibit-read-only t) end) (goto-char (point-min)) ;; Hide the horrendously ugly "header". (when (and (search-forward "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n" nil t) (setq end (1+ (match-beginning 0)))) - (push 'pem gnus-article-wash-types) + (gnus-add-wash-type 'pem) (gnus-article-hide-text-type end (if (search-forward "\n\n" nil t) @@ -1757,29 +2688,54 @@ always hide." (match-beginning 0) (match-end 0) 'pem))))))) (defun article-strip-banner () - "Strip the banner specified by the `banner' group parameter." + "Strip the banners specified by the `banner' group parameter and by +`gnus-article-address-banner-alist'." (interactive) + (save-excursion + (save-restriction + (let ((inhibit-point-motion-hooks t)) + (when (gnus-parameter-banner gnus-newsgroup-name) + (article-really-strip-banner + (gnus-parameter-banner gnus-newsgroup-name))) + (when gnus-article-address-banner-alist + ;; Note that the From header is decoded here, so it is + ;; required that the *-extract-address-components function + ;; supports non-ASCII text. + (let ((from (save-restriction + (widen) + (article-narrow-to-head) + (mail-fetch-field "from")))) + (when (and from + (setq from + (cadr (funcall gnus-extract-address-components + from)))) + (catch 'found + (dolist (pair gnus-article-address-banner-alist) + (when (string-match (car pair) from) + (throw 'found + (article-really-strip-banner (cdr pair))))))))))))) + +(defun article-really-strip-banner (banner) + "Strip the banner specified by the argument." (save-excursion (save-restriction (let ((inhibit-point-motion-hooks t) - (banner (gnus-group-find-parameter gnus-newsgroup-name 'banner)) (gnus-signature-limit nil) - buffer-read-only beg end) - (when banner - (article-goto-body) - (cond - ((eq banner 'signature) - (when (gnus-article-narrow-to-signature) - (widen) - (forward-line -1) - (delete-region (point) (point-max)))) - ((symbolp banner) - (if (setq banner (cdr (assq banner gnus-article-banner-alist))) - (while (re-search-forward banner nil t) - (delete-region (match-beginning 0) (match-end 0))))) - ((stringp banner) - (while (re-search-forward banner nil t) - (delete-region (match-beginning 0) (match-end 0)))))))))) + (inhibit-read-only t)) + (article-goto-body) + (cond + ((eq banner 'signature) + (when (gnus-article-narrow-to-signature) + (widen) + (forward-line -1) + (delete-region (point) (point-max)))) + ((symbolp banner) + (if (setq banner (cdr (assq banner gnus-article-banner-alist))) + (while (re-search-forward banner nil t) + (delete-region (match-beginning 0) (match-end 0))))) + ((stringp banner) + (while (re-search-forward banner nil t) + (delete-region (match-beginning 0) (match-end 0))))))))) (defun article-babel () "Translate article using an online translation service." @@ -1788,15 +2744,15 @@ always hide." (save-excursion (set-buffer gnus-article-buffer) (when (article-goto-body) - (let* ((buffer-read-only nil) + (let* ((inhibit-read-only t) (start (point)) (end (point-max)) (orig (buffer-substring start end)) - (trans (babel-as-string orig))) + (trans (babel-as-string orig))) (save-restriction (narrow-to-region start end) (delete-region start end) - (insert trans)))))) + (insert trans)))))) (defun article-hide-signature (&optional arg) "Hide the signature in the current article. @@ -1806,10 +2762,11 @@ always hide." (unless (gnus-article-check-hidden-text 'signature arg) (save-excursion (save-restriction - (let ((buffer-read-only nil)) + (let ((inhibit-read-only t)) (when (gnus-article-narrow-to-signature) (gnus-article-hide-text-type - (point-min) (point-max) 'signature))))))) + (point-min) (point-max) 'signature)))))) + (gnus-set-mode-line 'article)) (defun article-strip-headers-in-body () "Strip offensive headers from bodies." @@ -1825,7 +2782,7 @@ always hide." (interactive) (save-excursion (let ((inhibit-point-motion-hooks t) - buffer-read-only) + (inhibit-read-only t)) (when (article-goto-body) (while (and (not (eobp)) (looking-at "[ \t]*$")) @@ -1860,7 +2817,7 @@ Point is left at the beginning of the narrowed-to region." (interactive) (save-excursion (let ((inhibit-point-motion-hooks t) - buffer-read-only) + (inhibit-read-only t)) ;; First make all blank lines empty. (article-goto-body) (while (re-search-forward "^[ \t]+$" nil t) @@ -1869,17 +2826,17 @@ Point is left at the beginning of the narrowed-to region." (replace-match "" nil t))) ;; Then replace multiple empty lines with a single empty line. (article-goto-body) - (while (re-search-forward "\n\n\n+" nil t) + (while (re-search-forward "\n\n\\(\n+\\)" nil t) (unless (gnus-annotation-in-region-p (match-beginning 0) (match-end 0)) - (replace-match "\n\n" t t)))))) + (delete-region (match-beginning 1) (match-end 1))))))) (defun article-strip-leading-space () "Remove all white space from the beginning of the lines in the article." (interactive) (save-excursion (let ((inhibit-point-motion-hooks t) - buffer-read-only) + (inhibit-read-only t)) (article-goto-body) (while (re-search-forward "^[ \t]+" nil t) (replace-match "" t t))))) @@ -1889,7 +2846,7 @@ Point is left at the beginning of the narrowed-to region." (interactive) (save-excursion (let ((inhibit-point-motion-hooks t) - buffer-read-only) + (inhibit-read-only t)) (article-goto-body) (while (re-search-forward "[ \t]+$" nil t) (replace-match "" t t))))) @@ -1906,7 +2863,7 @@ Point is left at the beginning of the narrowed-to region." (interactive) (save-excursion (let ((inhibit-point-motion-hooks t) - buffer-read-only) + (inhibit-read-only t)) (article-goto-body) (while (re-search-forward "^[ \t]*\n" nil t) (replace-match "" t t))))) @@ -1926,7 +2883,7 @@ Point is left at the beginning of the narrowed-to region." (< (- (point-max) (point)) limit)) (and (floatp limit) (< (count-lines (point) (point-max)) limit)) - (and (gnus-functionp limit) + (and (functionp limit) (funcall limit)) (and (stringp limit) (not (re-search-forward limit nil t)))) @@ -1961,7 +2918,7 @@ Put point at the beginning of the signature separator." (defun gnus-article-check-hidden-text (type arg) "Return nil if hiding is necessary. -Arg can be nil or a number. Nil and positive means hide, negative +Arg can be nil or a number. nil and positive means hide, negative means show, 0 means toggle." (save-excursion (save-restriction @@ -1995,13 +2952,14 @@ means show, 0 means toggle." (defun gnus-article-show-hidden-text (type &optional dummy) "Show all hidden text of type TYPE. Originally it is hide instead of DUMMY." - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (inhibit-point-motion-hooks t)) - (gnus-remove-text-properties-when + (gnus-remove-text-properties-when 'article-type type - (point-min) (point-max) + (point-min) (point-max) (cons 'article-type (cons type - gnus-hidden-properties))))) + gnus-hidden-properties))) + (gnus-delete-wash-type type))) (defconst article-time-units `((year . ,(* 365.25 24 60 60)) @@ -2012,167 +2970,214 @@ Originally it is hide instead of DUMMY." (second . 1)) "Mapping from time units to seconds.") -(defun article-date-ut (&optional type highlight header) +(defun gnus-article-forward-header () + "Move point to the start of the next header. +If the current header is a continuation header, this can be several +lines forward." + (let ((ended nil)) + (while (not ended) + (forward-line 1) + (if (looking-at "[ \t]+[^ \t]") + (forward-line 1) + (setq ended t))))) + +(defun article-date-ut (&optional type highlight) "Convert DATE date to universal time in the current article. If TYPE is `local', convert to local time; if it is `lapsed', output how much time has lapsed since DATE. For `lapsed', the value of `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header should replace the \"Date:\" one, or should be added below it." (interactive (list 'ut t)) - (let* ((header (or header - (message-fetch-field "date") - "")) - (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]") - (date-regexp - (cond - ((not gnus-article-date-lapsed-new-header) - tdate-regexp) - ((eq type 'lapsed) - "^X-Sent:[ \t]") - (t - "^Date:[ \t]"))) - (date (if (vectorp header) (mail-header-date header) - header)) + (let* ((tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]") + (date-regexp (cond ((not gnus-article-date-lapsed-new-header) + tdate-regexp) + ((eq type 'lapsed) + "^X-Sent:[ \t]") + (article-lapsed-timer + "^Date:[ \t]") + (t + tdate-regexp))) + (case-fold-search t) + (inhibit-read-only t) (inhibit-point-motion-hooks t) - pos - bface eface) + pos date bface eface) (save-excursion (save-restriction - (article-narrow-to-head) - (when (re-search-forward tdate-regexp nil t) - (setq bface (get-text-property (gnus-point-at-bol) 'face) - date (or (get-text-property (gnus-point-at-bol) - 'original-date) - date) - eface (get-text-property (1- (gnus-point-at-eol)) 'face)) - (forward-line 1)) - (when (and date (not (string= date ""))) + (widen) + (goto-char (point-min)) + (while (or (setq date (get-text-property (setq pos (point)) + 'original-date)) + (when (setq pos (next-single-property-change + (point) 'original-date)) + (setq date (get-text-property pos 'original-date)) + t)) + (narrow-to-region pos (or (text-property-any pos (point-max) + 'original-date nil) + (point-max))) (goto-char (point-min)) - (let ((buffer-read-only nil)) - ;; Delete any old Date headers. - (while (re-search-forward date-regexp nil t) - (if pos - (delete-region (progn (beginning-of-line) (point)) - (progn (forward-line 1) (point))) - (delete-region (progn (beginning-of-line) (point)) - (progn (end-of-line) (point))) - (setq pos (point)))) - (when (and (not pos) (re-search-forward tdate-regexp nil t)) - (forward-line 1)) - (if pos (goto-char pos)) - (insert (article-make-date-line date (or type 'ut))) - (when (not pos) - (insert "\n") - (forward-line -1)) - ;; Do highlighting. - (beginning-of-line) - (when (looking-at "\\([^:]+\\): *\\(.*\\)$") - (put-text-property (match-beginning 1) (1+ (match-end 1)) - 'original-date date) - (put-text-property (match-beginning 1) (1+ (match-end 1)) - 'face bface) - (put-text-property (match-beginning 2) (match-end 2) - 'face eface)))))))) + (when (re-search-forward tdate-regexp nil t) + (setq bface (get-text-property (gnus-point-at-bol) 'face) + eface (get-text-property (1- (gnus-point-at-eol)) 'face))) + (goto-char (point-min)) + (setq pos nil) + ;; Delete any old Date headers. + (while (re-search-forward date-regexp nil t) + (if pos + (delete-region (gnus-point-at-bol) + (progn + (gnus-article-forward-header) + (point))) + (delete-region (gnus-point-at-bol) + (progn + (gnus-article-forward-header) + (forward-char -1) + (point))) + (setq pos (point)))) + (when (and (not pos) + (re-search-forward tdate-regexp nil t)) + (forward-line 1)) + (gnus-goto-char pos) + (insert (article-make-date-line date (or type 'ut))) + (unless pos + (insert "\n") + (forward-line -1)) + ;; Do highlighting. + (beginning-of-line) + (when (looking-at "\\([^:]+\\): *\\(.*\\)$") + (put-text-property (match-beginning 1) (1+ (match-end 1)) + 'face bface) + (put-text-property (match-beginning 2) (match-end 2) + 'face eface)) + (put-text-property (point-min) (1- (point-max)) 'original-date date) + (goto-char (point-max)) + (widen)))))) (defun article-make-date-line (date type) "Return a DATE line of TYPE." - (let ((time (condition-case () - (date-to-time date) - (error '(0 0))))) - (cond - ;; Convert to the local timezone. We have to slap a - ;; `condition-case' round the calls to the timezone - ;; functions since they aren't particularly resistant to - ;; buggy dates. - ((eq type 'local) - (let ((tz (car (current-time-zone time)))) - (format "Date: %s %s%02d%02d" (current-time-string time) - (if (> tz 0) "+" "-") (/ (abs tz) 3600) - (/ (% (abs tz) 3600) 60)))) - ;; Convert to Universal Time. - ((eq type 'ut) - (concat "Date: " - (current-time-string - (let* ((e (parse-time-string date)) - (tm (apply 'encode-time e)) - (ms (car tm)) - (ls (- (cadr tm) (car (current-time-zone time))))) - (cond ((< ls 0) (list (1- ms) (+ ls 65536))) - ((> ls 65535) (list (1+ ms) (- ls 65536))) - (t (list ms ls))))) - " UT")) - ;; Get the original date from the article. - ((eq type 'original) - (concat "Date: " (if (string-match "\n+$" date) - (substring date 0 (match-beginning 0)) - date))) - ;; Let the user define the format. - ((eq type 'user) - (if (gnus-functionp gnus-article-time-format) - (funcall gnus-article-time-format time) - (concat - "Date: " - (format-time-string gnus-article-time-format time)))) - ;; ISO 8601. - ((eq type 'iso8601) - (let ((tz (car (current-time-zone time)))) - (concat - "Date: " - (format-time-string "%Y%m%dT%H%M%S" time) - (format "%s%02d%02d" - (if (> tz 0) "+" "-") (/ (abs tz) 3600) - (/ (% (abs tz) 3600) 60))))) - ;; Do an X-Sent lapsed format. - ((eq type 'lapsed) - ;; If the date is seriously mangled, the timezone functions are - ;; liable to bug out, so we ignore all errors. - (let* ((now (current-time)) - (real-time (subtract-time now time)) - (real-sec (and real-time - (+ (* (float (car real-time)) 65536) - (cadr real-time)))) - (sec (and real-time (abs real-sec))) - num prev) + (unless (memq type '(local ut original user iso8601 lapsed english)) + (error "Unknown conversion type: %s" type)) + (condition-case () + (let ((time (date-to-time date))) (cond - ((null real-time) - "X-Sent: Unknown") - ((zerop sec) - "X-Sent: Now") - (t - (concat - "X-Sent: " - ;; This is a bit convoluted, but basically we go - ;; through the time units for years, weeks, etc, - ;; and divide things to see whether that results - ;; in positive answers. - (mapconcat - (lambda (unit) - (if (zerop (setq num (ffloor (/ sec (cdr unit))))) - ;; The (remaining) seconds are too few to - ;; be divided into this time unit. - "" - ;; It's big enough, so we output it. - (setq sec (- sec (* num (cdr unit)))) - (prog1 - (concat (if prev ", " "") (int-to-string - (floor num)) - " " (symbol-name (car unit)) - (if (> num 1) "s" "")) - (setq prev t)))) - article-time-units "") - ;; If dates are odd, then it might appear like the - ;; article was sent in the future. - (if (> real-sec 0) - " ago" - " in the future")))))) - (t - (error "Unknown conversion type: %s" type))))) + ;; Convert to the local timezone. + ((eq type 'local) + (let ((tz (car (current-time-zone time)))) + (format "Date: %s %s%02d%02d" (current-time-string time) + (if (> tz 0) "+" "-") (/ (abs tz) 3600) + (/ (% (abs tz) 3600) 60)))) + ;; Convert to Universal Time. + ((eq type 'ut) + (concat "Date: " + (current-time-string + (let* ((e (parse-time-string date)) + (tm (apply 'encode-time e)) + (ms (car tm)) + (ls (- (cadr tm) (car (current-time-zone time))))) + (cond ((< ls 0) (list (1- ms) (+ ls 65536))) + ((> ls 65535) (list (1+ ms) (- ls 65536))) + (t (list ms ls))))) + " UT")) + ;; Get the original date from the article. + ((eq type 'original) + (concat "Date: " (if (string-match "\n+$" date) + (substring date 0 (match-beginning 0)) + date))) + ;; Let the user define the format. + ((eq type 'user) + (let ((format (or (condition-case nil + (with-current-buffer gnus-summary-buffer + gnus-article-time-format) + (error nil)) + gnus-article-time-format))) + (if (functionp format) + (funcall format time) + (concat "Date: " (format-time-string format time))))) + ;; ISO 8601. + ((eq type 'iso8601) + (let ((tz (car (current-time-zone time)))) + (concat + "Date: " + (format-time-string "%Y%m%dT%H%M%S" time) + (format "%s%02d%02d" + (if (> tz 0) "+" "-") (/ (abs tz) 3600) + (/ (% (abs tz) 3600) 60))))) + ;; Do an X-Sent lapsed format. + ((eq type 'lapsed) + ;; If the date is seriously mangled, the timezone functions are + ;; liable to bug out, so we ignore all errors. + (let* ((now (current-time)) + (real-time (subtract-time now time)) + (real-sec (and real-time + (+ (* (float (car real-time)) 65536) + (cadr real-time)))) + (sec (and real-time (abs real-sec))) + num prev) + (cond + ((null real-time) + "X-Sent: Unknown") + ((zerop sec) + "X-Sent: Now") + (t + (concat + "X-Sent: " + ;; This is a bit convoluted, but basically we go + ;; through the time units for years, weeks, etc, + ;; and divide things to see whether that results + ;; in positive answers. + (mapconcat + (lambda (unit) + (if (zerop (setq num (ffloor (/ sec (cdr unit))))) + ;; The (remaining) seconds are too few to + ;; be divided into this time unit. + "" + ;; It's big enough, so we output it. + (setq sec (- sec (* num (cdr unit)))) + (prog1 + (concat (if prev ", " "") (int-to-string + (floor num)) + " " (symbol-name (car unit)) + (if (> num 1) "s" "")) + (setq prev t)))) + article-time-units "") + ;; If dates are odd, then it might appear like the + ;; article was sent in the future. + (if (> real-sec 0) + " ago" + " in the future")))))) + ;; Display the date in proper English + ((eq type 'english) + (let ((dtime (decode-time time))) + (concat + "Date: the " + (number-to-string (nth 3 dtime)) + (let ((digit (% (nth 3 dtime) 10))) + (cond + ((memq (nth 3 dtime) '(11 12 13)) "th") + ((= digit 1) "st") + ((= digit 2) "nd") + ((= digit 3) "rd") + (t "th"))) + " of " + (nth (1- (nth 4 dtime)) gnus-english-month-names) + " " + (number-to-string (nth 5 dtime)) + " at " + (format "%02d" (nth 2 dtime)) + ":" + (format "%02d" (nth 1 dtime))))))) + (error + (format "Date: %s (from Gnus)" date)))) (defun article-date-local (&optional highlight) "Convert the current article date to the local timezone." (interactive (list t)) (article-date-ut 'local highlight)) +(defun article-date-english (&optional highlight) + "Convert the current article date to something that is proper English." + (interactive (list t)) + (article-date-ut 'english highlight)) + (defun article-date-original (&optional highlight) "Convert the current article date to what it was originally. This is only useful if you have used some other date conversion @@ -2187,17 +3192,21 @@ function and want to see what the date was before converting." (defun article-update-date-lapsed () "Function to be run from a timer to update the lapsed time line." - (let (deactivate-mark) - (save-excursion - (ignore-errors - (walk-windows - (lambda (w) - (set-buffer (window-buffer w)) - (when (eq major-mode 'gnus-article-mode) - (goto-char (point-min)) - (when (re-search-forward "^X-Sent:" nil t) - (article-date-lapsed t)))) - nil 'visible))))) + (save-match-data + (let (deactivate-mark) + (save-excursion + (ignore-errors + (walk-windows + (lambda (w) + (set-buffer (window-buffer w)) + (when (eq major-mode 'gnus-article-mode) + (let ((mark (point-marker))) + (goto-char (point-min)) + (when (re-search-forward "^X-Sent:" nil t) + (article-date-lapsed t)) + (goto-char (marker-position mark)) + (move-marker mark nil)))) + nil 'visible)))))) (defun gnus-start-date-timer (&optional n) "Start a timer to update the X-Sent header in the article buffers. @@ -2228,25 +3237,57 @@ This format is defined by the `gnus-article-time-format' variable." (interactive (list t)) (article-date-ut 'iso8601 highlight)) -(defun article-show-all () - "Show all hidden text in the article buffer." +(defmacro gnus-article-save-original-date (&rest forms) + "Save the original date as a text property and evaluate FORMS." + `(let* ((case-fold-search t) + (start (progn + (goto-char (point-min)) + (when (and (re-search-forward "^date:[\t\n ]+" nil t) + (not (bolp))) + (match-end 0)))) + (date (when (and start + (re-search-forward "[\t ]*\n\\([^\t ]\\|\\'\\)" + nil t)) + (buffer-substring-no-properties start + (match-beginning 0))))) + (goto-char (point-max)) + (skip-chars-backward "\n") + (put-text-property (point-min) (point) 'original-date date) + ,@forms + (goto-char (point-max)) + (skip-chars-backward "\n") + (put-text-property (point-min) (point) 'original-date date))) + +;; (defun article-show-all () +;; "Show all hidden text in the article buffer." +;; (interactive) +;; (save-excursion +;; (let ((inhibit-read-only t)) +;; (gnus-article-unhide-text (point-min) (point-max))))) + +(defun article-remove-leading-whitespace () + "Remove excessive whitespace from all headers." (interactive) (save-excursion - (let ((buffer-read-only nil)) - (gnus-article-unhide-text (point-min) (point-max))))) + (save-restriction + (let ((inhibit-read-only t)) + (article-narrow-to-head) + (goto-char (point-min)) + (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t) + (delete-region (match-beginning 1) (match-end 1))))))) (defun article-emphasize (&optional arg) "Emphasize text according to `gnus-emphasis-alist'." (interactive (gnus-article-hidden-arg)) (unless (gnus-article-check-hidden-text 'emphasis arg) (save-excursion - (let ((alist (or + (let ((alist (or (condition-case nil - (with-current-buffer gnus-summary-buffer - gnus-article-emphasis-alist) + (with-current-buffer gnus-summary-buffer + gnus-article-emphasis-alist) (error)) gnus-emphasis-alist)) - (buffer-read-only nil) + (inhibit-read-only t) (props (append '(article-type emphasis) gnus-hidden-properties)) regexp elem beg invisible visible face) @@ -2259,15 +3300,15 @@ This format is defined by the `gnus-article-time-format' variable." visible (nth 2 elem) face (nth 3 elem)) (while (re-search-forward regexp nil t) - (when (and (match-beginning visible) (match-beginning invisible)) - (push 'emphasis gnus-article-wash-types) - (gnus-article-hide-text - (match-beginning invisible) (match-end invisible) props) - (gnus-article-unhide-text-type - (match-beginning visible) (match-end visible) 'emphasis) - (gnus-put-text-property-excluding-newlines - (match-beginning visible) (match-end visible) 'face face) - (goto-char (match-end invisible))))))))) + (when (and (match-beginning visible) (match-beginning invisible)) + (gnus-article-hide-text + (match-beginning invisible) (match-end invisible) props) + (gnus-article-unhide-text-type + (match-beginning visible) (match-end visible) 'emphasis) + (gnus-put-overlay-excluding-newlines + (match-beginning visible) (match-end visible) 'face face) + (gnus-add-wash-type 'emphasis) + (goto-char (match-end invisible))))))))) (defun gnus-article-setup-highlight-words (&optional highlight-words) "Setup newsgroup emphasis alist." @@ -2275,8 +3316,8 @@ This format is defined by the `gnus-article-time-format' variable." (let ((name (and gnus-newsgroup-name (gnus-group-real-name gnus-newsgroup-name)))) (make-local-variable 'gnus-article-emphasis-alist) - (setq gnus-article-emphasis-alist - (nconc + (setq gnus-article-emphasis-alist + (nconc (let ((alist gnus-group-highlight-words-alist) elem highlight) (while (setq elem (pop alist)) (when (and name (string-match (car elem) name)) @@ -2285,21 +3326,25 @@ This format is defined by the `gnus-article-time-format' variable." highlight) (copy-sequence highlight-words) (if gnus-newsgroup-name - (copy-sequence (gnus-group-find-parameter + (copy-sequence (gnus-group-find-parameter gnus-newsgroup-name 'highlight-words t))) gnus-emphasis-alist))))) -(defvar gnus-summary-article-menu) -(defvar gnus-summary-post-menu) +(eval-when-compile + (defvar gnus-summary-article-menu) + (defvar gnus-summary-post-menu)) ;;; Saving functions. (defun gnus-article-save (save-buffer file &optional num) "Save the currently selected article." - (unless gnus-save-all-headers - ;; Remove headers according to `gnus-saved-headers'. + (when (or (get gnus-default-article-saver :headers) + (not gnus-save-all-headers)) + ;; Remove headers according to `gnus-saved-headers' or the value + ;; of the `:headers' property that the saver function might have. (let ((gnus-visible-headers - (or gnus-saved-headers gnus-visible-headers)) + (or (symbol-value (get gnus-default-article-saver :headers)) + gnus-saved-headers gnus-visible-headers)) (gnus-article-buffer save-buffer)) (save-excursion (set-buffer save-buffer) @@ -2324,12 +3369,13 @@ This format is defined by the `gnus-article-time-format' variable." (funcall gnus-default-article-saver filename))))) (defun gnus-read-save-file-name (prompt &optional filename - function group headers variable) + function group headers variable + dir-var) (let ((default-name (funcall function group headers (symbol-value variable))) result) (setq result - (expand-file-name + (expand-file-name (cond ((eq filename 'default) default-name) @@ -2337,6 +3383,10 @@ This format is defined by the `gnus-article-time-format' variable." default-name) (filename filename) (t + (when (symbol-value dir-var) + (setq default-name (expand-file-name + (file-name-nondirectory default-name) + (symbol-value dir-var)))) (let* ((split-name (gnus-get-split-value gnus-split-methods)) (prompt (format prompt @@ -2352,7 +3402,7 @@ This format is defined by the `gnus-article-time-format' variable." ((null split-name) (read-file-name (concat prompt " (default " - (file-name-nondirectory default-name) ") ") + (file-name-nondirectory default-name) "): ") (file-name-directory default-name) default-name)) ;; A single group name is returned. @@ -2362,19 +3412,20 @@ This format is defined by the `gnus-article-time-format' variable." (symbol-value variable))) (read-file-name (concat prompt " (default " - (file-name-nondirectory default-name) ") ") + (file-name-nondirectory default-name) "): ") (file-name-directory default-name) default-name)) ;; A single split name was found ((= 1 (length split-name)) (let* ((name (expand-file-name - (car split-name) gnus-article-save-directory)) + (car split-name) + gnus-article-save-directory)) (dir (cond ((file-directory-p name) (file-name-as-directory name)) ((file-exists-p name) name) (t gnus-article-save-directory)))) (read-file-name - (concat prompt " (default " name ") ") + (concat prompt " (default " name "): ") dir name))) ;; A list of splits was found. (t @@ -2385,21 +3436,26 @@ This format is defined by the `gnus-article-time-format' variable." (setq result (expand-file-name (read-file-name - (concat prompt " (`M-p' for defaults) ") + (concat prompt " (`M-p' for defaults): ") gnus-article-save-directory (car split-name)) gnus-article-save-directory))) (car (push result file-name-history))))))) ;; Create the directory. (gnus-make-directory (file-name-directory file)) - ;; If we have read a directory, we append the default file name. + ;; If we have read a directory, we append the default file name. (when (file-directory-p file) - (setq file (expand-file-name (file-name-nondirectory default-name) + (setq file (expand-file-name (file-name-nondirectory + default-name) (file-name-as-directory file)))) ;; Possibly translate some characters. (nnheader-translate-file-chars file)))))) (gnus-make-directory (file-name-directory result)) - (set variable result))) + (when variable + (set variable result)) + (when dir-var + (set dir-var (file-name-directory result))) + result)) (defun gnus-article-archive-name (group) "Return the first instance of an \"Archive-name\" in the current buffer." @@ -2418,7 +3474,7 @@ This format is defined by the `gnus-article-time-format' variable." Optional argument FILENAME specifies file name. Directory to save to is default to `gnus-article-save-directory'." (setq filename (gnus-read-save-file-name - "Save %s in rmail file:" filename + "Save %s in rmail file" filename gnus-rmail-save-name gnus-newsgroup-name gnus-current-headers 'gnus-newsgroup-last-rmail)) (gnus-eval-in-buffer-window gnus-save-article-buffer @@ -2433,7 +3489,7 @@ Directory to save to is default to `gnus-article-save-directory'." Optional argument FILENAME specifies file name. Directory to save to is default to `gnus-article-save-directory'." (setq filename (gnus-read-save-file-name - "Save %s in Unix mail file:" filename + "Save %s in Unix mail file" filename gnus-mail-save-name gnus-newsgroup-name gnus-current-headers 'gnus-newsgroup-last-mail)) (gnus-eval-in-buffer-window gnus-save-article-buffer @@ -2441,17 +3497,20 @@ Directory to save to is default to `gnus-article-save-directory'." (save-restriction (widen) (if (and (file-readable-p filename) + (file-regular-p filename) (mail-file-babyl-p filename)) (rmail-output-to-rmail-file filename t) (gnus-output-to-mail filename))))) filename) +(put 'gnus-summary-save-in-file :decode t) +(put 'gnus-summary-save-in-file :headers 'gnus-saved-headers) (defun gnus-summary-save-in-file (&optional filename overwrite) "Append this article to file. Optional argument FILENAME specifies file name. Directory to save to is default to `gnus-article-save-directory'." (setq filename (gnus-read-save-file-name - "Save %s in file:" filename + "Save %s in file" filename gnus-file-save-name gnus-newsgroup-name gnus-current-headers 'gnus-newsgroup-last-file)) (gnus-eval-in-buffer-window gnus-save-article-buffer @@ -2464,18 +3523,26 @@ Directory to save to is default to `gnus-article-save-directory'." (gnus-output-to-file filename)))) filename) +(put 'gnus-summary-write-to-file :decode t) +(put 'gnus-summary-write-to-file :function 'gnus-summary-save-in-file) +(put 'gnus-summary-write-to-file :headers 'gnus-saved-headers) (defun gnus-summary-write-to-file (&optional filename) - "Write this article to a file. + "Write this article to a file, overwriting it if the file exists. Optional argument FILENAME specifies file name. The directory to save in defaults to `gnus-article-save-directory'." - (gnus-summary-save-in-file nil t)) + (setq filename (gnus-read-save-file-name + "Save %s in file" filename + gnus-file-save-name gnus-newsgroup-name + gnus-current-headers nil 'gnus-newsgroup-last-directory)) + (gnus-summary-save-in-file filename t)) -(defun gnus-summary-save-body-in-file (&optional filename) +(put 'gnus-summary-save-body-in-file :decode t) +(defun gnus-summary-save-body-in-file (&optional filename overwrite) "Append this article body to a file. Optional argument FILENAME specifies file name. The directory to save in defaults to `gnus-article-save-directory'." (setq filename (gnus-read-save-file-name - "Save %s body in file:" filename + "Save %s body in file" filename gnus-file-save-name gnus-newsgroup-name gnus-current-headers 'gnus-newsgroup-last-file)) (gnus-eval-in-buffer-window gnus-save-article-buffer @@ -2484,9 +3551,25 @@ The directory to save in defaults to `gnus-article-save-directory'." (widen) (when (article-goto-body) (narrow-to-region (point) (point-max))) + (when (and overwrite + (file-exists-p filename)) + (delete-file filename)) (gnus-output-to-file filename)))) filename) +(put 'gnus-summary-write-body-to-file :decode t) +(put 'gnus-summary-write-body-to-file + :function 'gnus-summary-save-body-in-file) +(defun gnus-summary-write-body-to-file (&optional filename) + "Write this article body to a file, overwriting it if the file exists. +Optional argument FILENAME specifies file name. +The directory to save in defaults to `gnus-article-save-directory'." + (setq filename (gnus-read-save-file-name + "Save %s body in file" filename + gnus-file-save-name gnus-newsgroup-name + gnus-current-headers nil 'gnus-newsgroup-last-directory)) + (gnus-summary-save-body-in-file filename t)) + (defun gnus-summary-save-in-pipe (&optional command) "Pipe this article to subprocess." (setq command @@ -2507,13 +3590,28 @@ The directory to save in defaults to `gnus-article-save-directory'." (when (string-equal command "") (if gnus-last-shell-command (setq command gnus-last-shell-command) - (error "A command is required."))) + (error "A command is required"))) (gnus-eval-in-buffer-window gnus-article-buffer (save-restriction (widen) (shell-command-on-region (point-min) (point-max) command nil))) (setq gnus-last-shell-command command)) +(defmacro gnus-read-string (prompt &optional initial-contents history + default-value) + "Like `read-string' but allow for older XEmacsen that don't have the 5th arg." + (if (and (featurep 'xemacs) + (< emacs-minor-version 2)) + `(read-string ,prompt ,initial-contents ,history) + `(read-string ,prompt ,initial-contents ,history ,default-value))) + +(defun gnus-summary-pipe-to-muttprint (&optional command) + "Pipe this article to muttprint." + (setq command (gnus-read-string + "Print using command: " gnus-summary-muttprint-program + nil gnus-summary-muttprint-program)) + (gnus-summary-save-in-pipe command)) + ;;; Article file names when saving. (defun gnus-capitalize-newsgroup (newsgroup) @@ -2566,9 +3664,100 @@ If variable `gnus-use-long-file-name' is non-nil, it is (expand-file-name (if (gnus-use-long-file-name 'not-save) newsgroup - (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))) + (file-relative-name + (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup)) + default-directory)) gnus-article-save-directory))) +(defun gnus-sender-save-name (newsgroup headers &optional last-file) + "Generate file name from sender." + (let ((from (mail-header-from headers))) + (expand-file-name + (if (and from (string-match "\\([^ <]+\\)@" from)) + (match-string 1 from) + "nobody") + gnus-article-save-directory))) + +(defun article-verify-x-pgp-sig () + "Verify X-PGP-Sig." + (interactive) + (if (gnus-buffer-live-p gnus-original-article-buffer) + (let ((sig (with-current-buffer gnus-original-article-buffer + (gnus-fetch-field "X-PGP-Sig"))) + items info headers) + (when (and sig + mml2015-use + (mml2015-clear-verify-function)) + (with-temp-buffer + (insert-buffer-substring gnus-original-article-buffer) + (setq items (split-string sig)) + (message-narrow-to-head) + (let ((inhibit-point-motion-hooks t) + (case-fold-search t)) + ;; Don't verify multiple headers. + (setq headers (mapconcat (lambda (header) + (concat header ": " + (mail-fetch-field header) + "\n")) + (split-string (nth 1 items) ",") ""))) + (delete-region (point-min) (point-max)) + (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n") + (insert "X-Signed-Headers: " (nth 1 items) "\n") + (insert headers) + (widen) + (forward-line) + (while (not (eobp)) + (if (looking-at "^-") + (insert "- ")) + (forward-line)) + (insert "\n-----BEGIN PGP SIGNATURE-----\n") + (insert "Version: " (car items) "\n\n") + (insert (mapconcat 'identity (cddr items) "\n")) + (insert "\n-----END PGP SIGNATURE-----\n") + (let ((mm-security-handle (list (format "multipart/signed")))) + (mml2015-clean-buffer) + (let ((coding-system-for-write (or gnus-newsgroup-charset + 'iso-8859-1))) + (funcall (mml2015-clear-verify-function))) + (setq info + (or (mm-handle-multipart-ctl-parameter + mm-security-handle 'gnus-details) + (mm-handle-multipart-ctl-parameter + mm-security-handle 'gnus-info))))) + (when info + (let ((inhibit-read-only t) bface eface) + (save-restriction + (message-narrow-to-head) + (goto-char (point-max)) + (forward-line -1) + (setq bface (get-text-property (gnus-point-at-bol) 'face) + eface (get-text-property (1- (gnus-point-at-eol)) 'face)) + (message-remove-header "X-Gnus-PGP-Verify") + (if (re-search-forward "^X-PGP-Sig:" nil t) + (forward-line) + (goto-char (point-max))) + (narrow-to-region (point) (point)) + (insert "X-Gnus-PGP-Verify: " info "\n") + (goto-char (point-min)) + (forward-line) + (while (not (eobp)) + (if (not (looking-at "^[ \t]")) + (insert " ")) + (forward-line)) + ;; Do highlighting. + (goto-char (point-min)) + (when (looking-at "\\([^:]+\\): *") + (put-text-property (match-beginning 1) (1+ (match-end 1)) + 'face bface) + (put-text-property (match-end 0) (point-max) + 'face eface))))))))) + +(defun article-verify-cancel-lock () + "Verify Cancel-Lock header." + (interactive) + (if (gnus-buffer-live-p gnus-original-article-buffer) + (canlock-verify gnus-original-article-buffer))) + (eval-and-compile (mapcar (lambda (func) @@ -2579,7 +3768,7 @@ If variable `gnus-use-long-file-name' is non-nil, it is (setq afunc func gfunc (intern (format "gnus-%s" func)))) (defalias gfunc - (if (fboundp afunc) + (when (fboundp afunc) `(lambda (&optional interactive &rest args) ,(documentation afunc t) (interactive (list t)) @@ -2589,18 +3778,22 @@ If variable `gnus-use-long-file-name' is non-nil, it is (call-interactively ',afunc) (apply ',afunc args)))))))) '(article-hide-headers + article-verify-x-pgp-sig + article-verify-cancel-lock article-hide-boring-headers article-treat-overstrike article-fill-long-lines article-capitalize-sentences article-remove-cr + article-remove-leading-whitespace article-display-x-face + article-display-face article-de-quoted-unreadable article-de-base64-unreadable article-decode-HZ article-wash-html + article-unsplit-urls article-hide-list-identifiers - article-hide-pgp article-strip-banner article-babel article-hide-pem @@ -2614,6 +3807,7 @@ If variable `gnus-use-long-file-name' is non-nil, it is article-strip-blank-lines article-strip-all-blank-lines article-date-local + article-date-english article-date-iso8601 article-date-original article-date-ut @@ -2625,7 +3819,8 @@ If variable `gnus-use-long-file-name' is non-nil, it is article-emphasize article-treat-dumbquotes article-normalize-headers - (article-show-all . gnus-article-show-all-headers)))) +;; (article-show-all . gnus-article-show-all-headers) + ))) ;;; ;;; Gnus article mode @@ -2650,6 +3845,8 @@ If variable `gnus-use-long-file-name' is non-nil, it is ">" end-of-buffer "\C-c\C-i" gnus-info-find-node "\C-c\C-b" gnus-bug + "R" gnus-article-reply-with-original + "F" gnus-article-followup-with-original "\C-hk" gnus-article-describe-key "\C-hc" gnus-article-describe-key-briefly @@ -2663,6 +3860,8 @@ If variable `gnus-use-long-file-name' is non-nil, it is 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map) (defun gnus-article-make-menu-bar () + (unless (boundp 'gnus-article-commands-menu) + (gnus-summary-make-menu-bar)) (gnus-turn-off-edit-menu 'article) (unless (boundp 'gnus-article-article-menu) (easy-menu-define @@ -2684,22 +3883,19 @@ If variable `gnus-use-long-file-name' is non-nil, it is ["Hide citation" gnus-article-hide-citation t] ["Treat overstrike" gnus-article-treat-overstrike t] ["Remove carriage return" gnus-article-remove-cr t] + ["Remove leading whitespace" gnus-article-remove-leading-whitespace t] ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t] ["Remove base64" gnus-article-de-base64-unreadable t] ["Treat html" gnus-article-wash-html t] + ["Remove newlines from within URLs" gnus-article-unsplit-urls t] ["Decode HZ" gnus-article-decode-HZ t])) ;; Note "Commands" menu is defined in gnus-sum.el for consistency - (when (boundp 'gnus-summary-post-menu) - (define-key gnus-article-mode-map [menu-bar post] - (cons "Post" gnus-summary-post-menu))) + ;; Note "Post" menu is defined in gnus-sum.el for consistency (gnus-run-hooks 'gnus-article-menu-hook))) -;; Fixme: do something for the Emacs tool bar in Article mode a la -;; Summary. - (defun gnus-article-mode () "Major mode for displaying an article. @@ -2716,28 +3912,45 @@ commands: \\[gnus-article-describe-briefly]\t Describe the current mode briefly \\[gnus-info-find-node]\t Go to the Gnus info node" (interactive) - (when (gnus-visual-p 'article-menu 'menu) - (gnus-article-make-menu-bar)) + (kill-all-local-variables) (gnus-simplify-mode-line) (setq mode-name "Article") (setq major-mode 'gnus-article-mode) (make-local-variable 'minor-mode-alist) (use-local-map gnus-article-mode-map) + (when (gnus-visual-p 'article-menu 'menu) + (gnus-article-make-menu-bar) + (when gnus-summary-tool-bar-map + (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))) (gnus-update-format-specifications nil 'article-mode) (set (make-local-variable 'page-delimiter) gnus-page-delimiter) - (make-local-variable 'gnus-page-broken) + (set (make-local-variable 'gnus-page-broken) nil) (make-local-variable 'gnus-button-marker-list) (make-local-variable 'gnus-article-current-summary) (make-local-variable 'gnus-article-mime-handles) (make-local-variable 'gnus-article-decoded-p) (make-local-variable 'gnus-article-mime-handle-alist) (make-local-variable 'gnus-article-wash-types) + (make-local-variable 'gnus-article-image-alist) + (make-local-variable 'gnus-article-charset) + (make-local-variable 'gnus-article-ignored-charsets) + ;; Prevent recent Emacsen from displaying non-break space as "\ ". + (set (make-local-variable 'nobreak-char-display) nil) + (setq cursor-in-non-selected-windows nil) (gnus-set-default-directory) (buffer-disable-undo) (setq buffer-read-only t) (set-syntax-table gnus-article-mode-syntax-table) (mm-enable-multibyte) - (gnus-run-hooks 'gnus-article-mode-hook)) + (gnus-run-mode-hooks 'gnus-article-mode-hook)) + +;; Internal variables. Are `gnus-button-regexp' and `gnus-button-last' used +;; at all? +(defvar gnus-button-regexp nil) +(defvar gnus-button-marker-list nil + "Regexp matching any of the regexps from `gnus-button-alist'.") +(defvar gnus-button-last nil + "The value of `gnus-button-alist' when `gnus-button-regexp' was build.") (defun gnus-article-setup-buffer () "Initialize the article buffer." @@ -2764,16 +3977,29 @@ commands: (mm-enable-multibyte) (setq major-mode 'gnus-original-article-mode) (make-local-variable 'gnus-original-article)) - (if (get-buffer name) + (if (and (get-buffer name) + (with-current-buffer name + (if gnus-article-edit-mode + (if (y-or-n-p "Article mode edit in progress; discard? ") + (progn + (set-buffer-modified-p nil) + (gnus-kill-buffer name) + (message "") + nil) + (error "Action aborted")) + t))) (save-excursion (set-buffer name) + (set (make-local-variable 'gnus-article-edit-mode) nil) (when gnus-article-mime-handles (mm-destroy-parts gnus-article-mime-handles) (setq gnus-article-mime-handles nil)) ;; Set it to nil in article-buffer! - (setq gnus-article-mime-handle-alist nil) + (setq gnus-article-mime-handle-alist nil) (buffer-disable-undo) (setq buffer-read-only t) + ;; This list just keeps growing if we don't reset it. + (setq gnus-button-marker-list nil) (unless (eq major-mode 'gnus-article-mode) (gnus-article-mode)) (current-buffer)) @@ -2788,7 +4014,7 @@ commands: ;; from the head of the article. (defun gnus-article-set-window-start (&optional line) (set-window-start - (get-buffer-window gnus-article-buffer t) + (gnus-get-buffer-window gnus-article-buffer t) (save-excursion (set-buffer gnus-article-buffer) (goto-char (point-min)) @@ -2821,7 +4047,7 @@ If ALL-HEADERS is non-nil, no headers are hidden." (when (and (boundp 'transient-mark-mode) transient-mark-mode) (setq mark-active nil)) - (if (not (setq result (let ((buffer-read-only nil)) + (if (not (setq result (let ((inhibit-read-only t)) (gnus-request-article-this-buffer article group)))) ;; There is no such article. @@ -2832,7 +4058,9 @@ If ALL-HEADERS is non-nil, no headers are hidden." (cons gnus-newsgroup-name article)) (set-buffer gnus-summary-buffer) (setq gnus-current-article article) - (if (eq (gnus-article-mark article) gnus-undownloaded-mark) + (if (and (memq article gnus-newsgroup-undownloaded) + (not (gnus-online (gnus-find-method-for-group + gnus-newsgroup-name)))) (progn (gnus-summary-set-agent-mark article) (message "Message marked for downloading")) @@ -2896,14 +4124,14 @@ If ALL-HEADERS is non-nil, no headers are hidden." (gnus-article-prepare-display) ;; Do page break. (goto-char (point-min)) - (setq gnus-page-broken - (when gnus-break-pages - (gnus-narrow-to-page) - t))) + (when gnus-break-pages + (gnus-narrow-to-page))) (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist)) (gnus-set-mode-line 'article)) (article-goto-body) + (unless (bobp) + (forward-line -1)) (set-window-point (get-buffer-window (current-buffer)) (point)) (gnus-configure-windows 'article) t)))))) @@ -2914,11 +4142,13 @@ If ALL-HEADERS is non-nil, no headers are hidden." ;; Hooks for getting information from the article. ;; This hook must be called before being narrowed. (let ((gnus-article-buffer (current-buffer)) - buffer-read-only) + buffer-read-only + (inhibit-read-only t)) (unless (eq major-mode 'gnus-article-mode) (gnus-article-mode)) (setq buffer-read-only nil - gnus-article-wash-types nil) + gnus-article-wash-types nil + gnus-article-image-alist nil) (gnus-run-hooks 'gnus-tmp-internal-hook) (when gnus-display-mime-function (funcall gnus-display-mime-function)) @@ -2929,14 +4159,19 @@ If ALL-HEADERS is non-nil, no headers are hidden." ;;; (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n" - "The following specs can be used: + "Format of the MIME buttons. + +Valid specifiers include: %t The MIME type %T MIME type, along with additional info %n The `name' parameter %d The description, if any %l The length of the encoded part %p The part identifier number -%e Dots if the part isn't displayed") +%e Dots if the part isn't displayed + +General format specifiers can also be used. See Info node +`(gnus)Formatting Variables'.") (defvar gnus-mime-button-line-format-alist '((?t gnus-tmp-type ?s) @@ -2951,42 +4186,68 @@ If ALL-HEADERS is non-nil, no headers are hidden." '((gnus-article-press-button "\r" "Toggle Display") (gnus-mime-view-part "v" "View Interactively...") (gnus-mime-view-part-as-type "t" "View As Type...") + (gnus-mime-view-part-as-charset "C" "View As charset...") (gnus-mime-save-part "o" "Save...") + (gnus-mime-save-part-and-strip "\C-o" "Save and Strip") + (gnus-mime-delete-part "d" "Delete part") (gnus-mime-copy-part "c" "View As Text, In Other Buffer") (gnus-mime-inline-part "i" "View As Text, In This Buffer") - (gnus-mime-internalize-part "E" "View Internally") - (gnus-mime-externalize-part "e" "View Externally") + (gnus-mime-view-part-internally "E" "View Internally") + (gnus-mime-view-part-externally "e" "View Externally") + (gnus-mime-print-part "p" "Print") (gnus-mime-pipe-part "|" "Pipe To Command...") - (gnus-mime-action-on-part "." "Take action on the part"))) + (gnus-mime-action-on-part "." "Take action on the part..."))) (defun gnus-article-mime-part-status () (if gnus-article-mime-handle-alist-1 - (format " (%d parts)" (length gnus-article-mime-handle-alist-1)) + (if (eq 1 (length gnus-article-mime-handle-alist-1)) + " (1 part)" + (format " (%d parts)" (length gnus-article-mime-handle-alist-1))) "")) (defvar gnus-mime-button-map (let ((map (make-sparse-keymap))) - ;; Not for Emacs 21: fixme better. - ;; (set-keymap-parent map gnus-article-mode-map) + (unless (>= (string-to-number emacs-version) 21) + ;; XEmacs doesn't care. + (set-keymap-parent map gnus-article-mode-map)) (define-key map gnus-mouse-2 'gnus-article-push-button) (define-key map gnus-down-mouse-3 'gnus-mime-button-menu) (dolist (c gnus-mime-button-commands) (define-key map (cadr c) (car c))) map)) -(defun gnus-mime-button-menu (event) - "Construct a context-sensitive menu of MIME commands." - (interactive "e") - (save-excursion - (mouse-set-point event) - (gnus-article-check-buffer) - (let ((response (x-popup-menu - t `("MIME Part" - ("" ,@(mapcar (lambda (c) - (cons (caddr c) (car c))) - gnus-mime-button-commands)))))) - (if response - (call-interactively response))))) +(easy-menu-define + gnus-mime-button-menu gnus-mime-button-map "MIME button menu." + `("MIME Part" + ,@(mapcar (lambda (c) + (vector (caddr c) (car c) :enable t)) + gnus-mime-button-commands))) + +(eval-when-compile + (define-compiler-macro popup-menu (&whole form + menu &optional position prefix) + (if (and (fboundp 'popup-menu) + (not (memq 'popup-menu (assoc "lmenu" load-history)))) + form + ;; Gnus is probably running under Emacs 20. + `(let* ((menu (cdr ,menu)) + (response (x-popup-menu + t (list (car menu) + (cons "" (mapcar (lambda (c) + (cons (caddr c) (car c))) + (cdr menu))))))) + (if response + (call-interactively (nth 3 (assq response menu)))))))) + +(defun gnus-mime-button-menu (event prefix) + "Construct a context-sensitive menu of MIME commands." + (interactive "e\nP") + (save-window-excursion + (let ((pos (event-start event))) + (select-window (posn-window pos)) + (goto-char (posn-point pos)) + (gnus-article-check-buffer) + (popup-menu gnus-mime-button-menu nil prefix)))) (defun gnus-mime-view-all-parts (&optional handles) "View all the MIME parts." @@ -2995,85 +4256,326 @@ If ALL-HEADERS is non-nil, no headers are hidden." (set-buffer gnus-article-buffer) (let ((handles (or handles gnus-article-mime-handles)) (mail-parse-charset gnus-newsgroup-charset) - (mail-parse-ignored-charsets - (save-excursion (set-buffer gnus-summary-buffer) - gnus-newsgroup-ignored-charsets))) - (if (stringp (car handles)) - (gnus-mime-view-all-parts (cdr handles)) - (mapcar 'mm-display-part handles))))) + (mail-parse-ignored-charsets + (with-current-buffer gnus-summary-buffer + gnus-newsgroup-ignored-charsets))) + (when handles + (mm-remove-parts handles) + (goto-char (point-min)) + (or (search-forward "\n\n") (goto-char (point-max))) + (let ((inhibit-read-only t)) + (delete-region (point) (point-max)) + (mm-display-parts handles)))))) + +(defun gnus-mime-save-part-and-strip () + "Save the MIME part under point then replace it with an external body." + (interactive) + (gnus-article-check-buffer) + (when (gnus-group-read-only-p) + (error "The current group does not support deleting of parts")) + (when (mm-complicated-handles gnus-article-mime-handles) + (error "\ +The current article has a complicated MIME structure, giving up...")) + (when (gnus-yes-or-no-p "\ +Deleting parts may malfunction or destroy the article; continue? ") + (let* ((data (get-text-property (point) 'gnus-data)) + file param + (handles gnus-article-mime-handles)) + (setq file (and data (mm-save-part data))) + (when file + (with-current-buffer (mm-handle-buffer data) + (erase-buffer) + (insert "Content-Type: " (mm-handle-media-type data)) + (mml-insert-parameter-string (cdr (mm-handle-type data)) + '(charset)) + ;; Add a filename for the sake of saving the part again. + (mml-insert-parameter + (mail-header-encode-parameter "name" (file-name-nondirectory file))) + (insert "\n") + (insert "Content-ID: " (message-make-message-id) "\n") + (insert "Content-Transfer-Encoding: binary\n") + (insert "\n")) + (setcdr data + (cdr (mm-make-handle nil + `("message/external-body" + (access-type . "LOCAL-FILE") + (name . ,file))))) + (set-buffer gnus-summary-buffer) + (gnus-article-edit-article + `(lambda () + (erase-buffer) + (let ((mail-parse-charset (or gnus-article-charset + ',gnus-newsgroup-charset)) + (mail-parse-ignored-charsets + (or gnus-article-ignored-charsets + ',gnus-newsgroup-ignored-charsets)) + (mbl mml-buffer-list)) + (setq mml-buffer-list nil) + (insert-buffer-substring gnus-original-article-buffer) + (mime-to-mml ',handles) + (setq gnus-article-mime-handles nil) + (let ((mbl1 mml-buffer-list)) + (setq mml-buffer-list mbl) + (set (make-local-variable 'mml-buffer-list) mbl1)) + (gnus-make-local-hook 'kill-buffer-hook) + (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))) + `(lambda (no-highlight) + (let ((mail-parse-charset (or gnus-article-charset + ',gnus-newsgroup-charset)) + (message-options message-options) + (message-options-set-recipient) + (mail-parse-ignored-charsets + (or gnus-article-ignored-charsets + ',gnus-newsgroup-ignored-charsets))) + (mml-to-mime) + (mml-destroy-buffers) + (remove-hook 'kill-buffer-hook + 'mml-destroy-buffers t) + (kill-local-variable 'mml-buffer-list)) + (gnus-summary-edit-article-done + ,(or (mail-header-references gnus-current-headers) "") + ,(gnus-group-read-only-p) + ,gnus-summary-buffer no-highlight))))))) + +(defun gnus-mime-delete-part () + "Delete the MIME part under point. +Replace it with some information about the removed part." + (interactive) + (gnus-article-check-buffer) + (when (gnus-group-read-only-p) + (error "The current group does not support deleting of parts")) + (when (mm-complicated-handles gnus-article-mime-handles) + (error "\ +The current article has a complicated MIME structure, giving up...")) + (when (gnus-yes-or-no-p "\ +Deleting parts may malfunction or destroy the article; continue? ") + (let* ((data (get-text-property (point) 'gnus-data)) + (handles gnus-article-mime-handles) + (none "(none)") + (description + (mail-decode-encoded-word-string (or (mm-handle-description data) + none))) + (filename + (or (mail-content-type-get (mm-handle-disposition data) 'filename) + none)) + (type (mm-handle-media-type data))) + (unless data + (error "No MIME part under point")) + (with-current-buffer (mm-handle-buffer data) + (let ((bsize (format "%s" (buffer-size)))) + (erase-buffer) + (insert + (concat + ",----\n" + "| The following attachment has been deleted:\n" + "|\n" + "| Type: " type "\n" + "| Filename: " filename "\n" + "| Size (encoded): " bsize " Byte\n" + "| Description: " description "\n" + "`----\n")) + (setcdr data + (cdr (mm-make-handle + nil `("text/plain") nil nil + (list "attachment") + (format "Deleted attachment (%s bytes)" bsize)))))) + (set-buffer gnus-summary-buffer) + ;; FIXME: maybe some of the following code (borrowed from + ;; `gnus-mime-save-part-and-strip') isn't necessary? + (gnus-article-edit-article + `(lambda () + (erase-buffer) + (let ((mail-parse-charset (or gnus-article-charset + ',gnus-newsgroup-charset)) + (mail-parse-ignored-charsets + (or gnus-article-ignored-charsets + ',gnus-newsgroup-ignored-charsets)) + (mbl mml-buffer-list)) + (setq mml-buffer-list nil) + (insert-buffer-substring gnus-original-article-buffer) + (mime-to-mml ',handles) + (setq gnus-article-mime-handles nil) + (let ((mbl1 mml-buffer-list)) + (setq mml-buffer-list mbl) + (set (make-local-variable 'mml-buffer-list) mbl1)) + (gnus-make-local-hook 'kill-buffer-hook) + (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))) + `(lambda (no-highlight) + (let ((mail-parse-charset (or gnus-article-charset + ',gnus-newsgroup-charset)) + (message-options message-options) + (message-options-set-recipient) + (mail-parse-ignored-charsets + (or gnus-article-ignored-charsets + ',gnus-newsgroup-ignored-charsets))) + (mml-to-mime) + (mml-destroy-buffers) + (remove-hook 'kill-buffer-hook + 'mml-destroy-buffers t) + (kill-local-variable 'mml-buffer-list)) + (gnus-summary-edit-article-done + ,(or (mail-header-references gnus-current-headers) "") + ,(gnus-group-read-only-p) + ,gnus-summary-buffer no-highlight))))) + ;; Not in `gnus-mime-save-part-and-strip': + (gnus-article-edit-done) + (gnus-summary-expand-window) + (gnus-summary-show-article)) (defun gnus-mime-save-part () "Save the MIME part under point." (interactive) (gnus-article-check-buffer) (let ((data (get-text-property (point) 'gnus-data))) - (mm-save-part data))) + (when data + (mm-save-part data)))) (defun gnus-mime-pipe-part () "Pipe the MIME part under point to a process." (interactive) (gnus-article-check-buffer) (let ((data (get-text-property (point) 'gnus-data))) - (mm-pipe-part data))) + (when data + (mm-pipe-part data)))) (defun gnus-mime-view-part () "Interactively choose a viewing method for the MIME part under point." (interactive) (gnus-article-check-buffer) (let ((data (get-text-property (point) 'gnus-data))) - (push (setq data (copy-sequence data)) gnus-article-mime-handles) - (mm-interactively-view-part data))) + (when data + (setq gnus-article-mime-handles + (mm-merge-handles + gnus-article-mime-handles (setq data (copy-sequence data)))) + (mm-interactively-view-part data)))) (defun gnus-mime-view-part-as-type-internal () (gnus-article-check-buffer) - (let* ((name (mail-content-type-get - (mm-handle-type (get-text-property (point) 'gnus-data)) - 'name)) + (let* ((handle (get-text-property (point) 'gnus-data)) + (name (or + ;; Content-Type: foo/bar; name=... + (mail-content-type-get (mm-handle-type handle) 'name) + ;; Content-Disposition: attachment; filename=... + (cdr (assq 'filename (cdr (mm-handle-disposition handle)))))) (def-type (and name (mm-default-file-encoding name)))) (and def-type (cons def-type 0)))) -(defun gnus-mime-view-part-as-type (mime-type) - "Choose a MIME media type, and view the part as such." - (interactive - (list (completing-read - "View as MIME type: " - (mapcar #'list (mailcap-mime-types)) - nil nil - (gnus-mime-view-part-as-type-internal)))) +(defun gnus-mime-view-part-as-type (&optional mime-type pred) + "Choose a MIME media type, and view the part as such. +If non-nil, PRED is a predicate to use during completion to limit the +available media-types." + (interactive) + (unless mime-type + (setq mime-type + (let ((default (gnus-mime-view-part-as-type-internal))) + (completing-read + (format "View as MIME type (default %s): " + (car default)) + (mapcar #'list (mailcap-mime-types)) + pred nil nil nil + (car default))))) (gnus-article-check-buffer) (let ((handle (get-text-property (point) 'gnus-data))) - (gnus-mm-display-part - (mm-make-handle (mm-handle-buffer handle) - (cons mime-type (cdr (mm-handle-type handle))) - (mm-handle-encoding handle) - (mm-handle-undisplayer handle) - (mm-handle-disposition handle) - (mm-handle-description handle) - (mm-handle-cache handle) - (mm-handle-id handle))))) + (when handle + (when (equal (mm-handle-media-type handle) "message/external-body") + (unless (mm-handle-cache handle) + (mm-extern-cache-contents handle)) + (setq handle (mm-handle-cache handle))) + (setq handle + (mm-make-handle (mm-handle-buffer handle) + (cons mime-type (cdr (mm-handle-type handle))) + (mm-handle-encoding handle) + (mm-handle-undisplayer handle) + (mm-handle-disposition handle) + (mm-handle-description handle) + nil + (mm-handle-id handle))) + (setq gnus-article-mime-handles + (mm-merge-handles gnus-article-mime-handles handle)) + (gnus-mm-display-part handle)))) + +(eval-when-compile + (require 'jka-compr)) + +;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days +;; emacs can do that itself. +;; +(defun gnus-mime-jka-compr-maybe-uncompress () + "Uncompress the current buffer if `auto-compression-mode' is enabled. +The uncompress method used is derived from `buffer-file-name'." + (when (and (fboundp 'jka-compr-installed-p) + (jka-compr-installed-p)) + (let ((info (jka-compr-get-compression-info buffer-file-name))) + (when info + (let ((basename (file-name-nondirectory buffer-file-name)) + (args (jka-compr-info-uncompress-args info)) + (prog (jka-compr-info-uncompress-program info)) + (message (jka-compr-info-uncompress-message info)) + (err-file (jka-compr-make-temp-name))) + (if message + (message "%s %s..." message basename)) + (unwind-protect + (unless (memq (apply 'call-process-region + (point-min) (point-max) + prog + t (list t err-file) nil + args) + jka-compr-acceptable-retval-list) + (jka-compr-error prog args basename message err-file)) + (jka-compr-delete-temp-file err-file))))))) (defun gnus-mime-copy-part (&optional handle) - "Put the the MIME part under point into a new buffer." + "Put the MIME part under point into a new buffer. +If `auto-compression-mode' is enabled, compressed files like .gz and .bz2 +are decompressed." (interactive) (gnus-article-check-buffer) (let* ((handle (or handle (get-text-property (point) 'gnus-data))) - (contents (mm-get-part handle)) - (base (file-name-nondirectory - (or - (mail-content-type-get (mm-handle-type handle) 'name) - (mail-content-type-get (mm-handle-type handle) - 'filename) - "*decoded*"))) - (buffer (generate-new-buffer base))) - (switch-to-buffer buffer) - (insert contents) - ;; We do it this way to make `normal-mode' set the appropriate mode. - (unwind-protect - (progn - (setq buffer-file-name (expand-file-name base)) - (normal-mode)) - (setq buffer-file-name nil)) - (goto-char (point-min)))) + (contents (and handle (mm-get-part handle))) + (base (and handle + (file-name-nondirectory + (or + (mail-content-type-get (mm-handle-type handle) 'name) + (mail-content-type-get (mm-handle-disposition handle) + 'filename) + "*decoded*")))) + (buffer (and base (generate-new-buffer base)))) + (when contents + (switch-to-buffer buffer) + (insert contents) + ;; We do it this way to make `normal-mode' set the appropriate mode. + (unwind-protect + (progn + (setq buffer-file-name (expand-file-name base)) + (gnus-mime-jka-compr-maybe-uncompress) + (normal-mode)) + (setq buffer-file-name nil)) + (goto-char (point-min))))) + +(defun gnus-mime-print-part (&optional handle filename) + "Print the MIME part under point." + (interactive (list nil (ps-print-preprint current-prefix-arg))) + (gnus-article-check-buffer) + (let* ((handle (or handle (get-text-property (point) 'gnus-data))) + (contents (and handle (mm-get-part handle))) + (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory))) + (printer (mailcap-mime-info (mm-handle-media-type handle) "print"))) + (when contents + (if printer + (unwind-protect + (progn + (mm-save-part-to-file handle file) + (call-process shell-file-name nil + (generate-new-buffer " *mm*") + nil + shell-command-switch + (mm-mailcap-command + printer file (mm-handle-type handle)))) + (delete-file file)) + (with-temp-buffer + (insert contents) + (gnus-print-buffer)) + (ps-despool filename))))) (defun gnus-mime-inline-part (&optional handle arg) "Insert the MIME part under point into the current buffer." @@ -3082,31 +4584,67 @@ If ALL-HEADERS is non-nil, no headers are hidden." (let* ((handle (or handle (get-text-property (point) 'gnus-data))) contents charset (b (point)) - buffer-read-only) - (if (mm-handle-undisplayer handle) - (mm-remove-part handle) - (setq contents (mm-get-part handle)) - (cond - ((not arg) - (setq charset (or (mail-content-type-get - (mm-handle-type handle) 'charset) - gnus-newsgroup-charset))) - ((numberp arg) - (setq charset - (or (cdr (assq arg - gnus-summary-show-article-charset-alist)) - (read-coding-system "Charset: "))))) - (forward-line 2) - (mm-insert-inline handle - (if (and charset - (setq charset (mm-charset-to-coding-system - charset)) - (not (eq charset 'ascii))) - (mm-decode-coding-string contents charset) - contents)) - (goto-char b)))) - -(defun gnus-mime-externalize-part (&optional handle) + (inhibit-read-only t)) + (when handle + (if (and (not arg) (mm-handle-undisplayer handle)) + (mm-remove-part handle) + (setq contents (mm-get-part handle)) + (cond + ((not arg) + (setq charset (or (mail-content-type-get + (mm-handle-type handle) 'charset) + gnus-newsgroup-charset))) + ((numberp arg) + (if (mm-handle-undisplayer handle) + (mm-remove-part handle)) + (setq charset + (or (cdr (assq arg + gnus-summary-show-article-charset-alist)) + (mm-read-coding-system "Charset: ")))) + (t + (if (mm-handle-undisplayer handle) + (mm-remove-part handle)))) + (forward-line 2) + (mm-insert-inline + handle + (if (and charset + (setq charset (mm-charset-to-coding-system + charset)) + (not (eq charset 'ascii))) + (mm-decode-coding-string contents charset) + (mm-string-to-multibyte contents))) + (goto-char b))))) + +(defun gnus-mime-view-part-as-charset (&optional handle arg) + "Insert the MIME part under point into the current buffer using the +specified charset." + (interactive (list nil current-prefix-arg)) + (gnus-article-check-buffer) + (let ((handle (or handle (get-text-property (point) 'gnus-data))) + (fun (get-text-property (point) 'gnus-callback)) + (gnus-newsgroup-ignored-charsets 'gnus-all) + gnus-newsgroup-charset type charset) + (when handle + (if (mm-handle-undisplayer handle) + (mm-remove-part handle)) + (when fun + (setq gnus-newsgroup-charset + (or (cdr (assq arg gnus-summary-show-article-charset-alist)) + (mm-read-coding-system "Charset: "))) + ;; Strip the charset parameter from `handle'. + (setq type (mm-handle-type + (if (equal (mm-handle-media-type handle) + "message/external-body") + (progn + (unless (mm-handle-cache handle) + (mm-extern-cache-contents handle)) + (mm-handle-cache handle)) + handle)) + charset (assq 'charset (cdr type))) + (delq charset type) + (funcall fun handle))))) + +(defun gnus-mime-view-part-externally (&optional handle) "View the MIME part under point with an external viewer." (interactive) (gnus-article-check-buffer) @@ -3114,39 +4652,50 @@ If ALL-HEADERS is non-nil, no headers are hidden." (mm-user-display-methods nil) (mm-inlined-types nil) (mail-parse-charset gnus-newsgroup-charset) - (mail-parse-ignored-charsets - (save-excursion (set-buffer gnus-summary-buffer) - gnus-newsgroup-ignored-charsets))) - (if (mm-handle-undisplayer handle) - (mm-remove-part handle) - (mm-display-part handle)))) - -(defun gnus-mime-internalize-part (&optional handle) + (mail-parse-ignored-charsets + (with-current-buffer gnus-summary-buffer + gnus-newsgroup-ignored-charsets)) + (type (mm-handle-media-type handle)) + (method (mailcap-mime-info type)) + (mm-enable-external t)) + (if (not (stringp method)) + (gnus-mime-view-part-as-type + nil (lambda (type) (stringp (mailcap-mime-info type)))) + (when handle + (if (mm-handle-undisplayer handle) + (mm-remove-part handle) + (mm-display-part handle)))))) + +(defun gnus-mime-view-part-internally (&optional handle) "View the MIME part under point with an internal viewer. -In no internal viewer is available, use an external viewer." +If no internal viewer is available, use an external viewer." (interactive) (gnus-article-check-buffer) (let* ((handle (or handle (get-text-property (point) 'gnus-data))) (mm-inlined-types '(".*")) (mm-inline-large-images t) (mail-parse-charset gnus-newsgroup-charset) - (mail-parse-ignored-charsets - (save-excursion (set-buffer gnus-summary-buffer) - gnus-newsgroup-ignored-charsets))) - (if (mm-handle-undisplayer handle) - (mm-remove-part handle) - (mm-display-part handle)))) + (mail-parse-ignored-charsets + (with-current-buffer gnus-summary-buffer + gnus-newsgroup-ignored-charsets)) + (inhibit-read-only t)) + (if (not (mm-inlinable-p handle)) + (gnus-mime-view-part-as-type + nil (lambda (type) (mm-inlinable-p handle type))) + (when handle + (if (mm-handle-undisplayer handle) + (mm-remove-part handle) + (mm-display-part handle)))))) (defun gnus-mime-action-on-part (&optional action) "Do something with the MIME attachment at \(point\)." (interactive - (list (completing-read "Action: " gnus-mime-action-alist))) + (list (completing-read "Action: " gnus-mime-action-alist nil t))) (gnus-article-check-buffer) (let ((action-pair (assoc action gnus-mime-action-alist))) (if action-pair (funcall (cdr action-pair))))) - (defun gnus-article-part-wrapper (n function) (save-current-buffer (set-buffer gnus-article-buffer) @@ -3176,10 +4725,16 @@ In no internal viewer is available, use an external viewer." (interactive "p") (gnus-article-part-wrapper n 'gnus-mime-copy-part)) -(defun gnus-article-externalize-part (n) +(defun gnus-article-view-part-as-charset (n) + "View MIME part N using a specified charset. +N is the numerical prefix." + (interactive "p") + (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset)) + +(defun gnus-article-view-part-externally (n) "View MIME part N externally, which is the numerical prefix." (interactive "p") - (gnus-article-part-wrapper n 'gnus-mime-externalize-part)) + (gnus-article-part-wrapper n 'gnus-mime-view-part-externally)) (defun gnus-article-inline-part (n) "Inline MIME part N, which is the numerical prefix." @@ -3190,10 +4745,10 @@ In no internal viewer is available, use an external viewer." (if condition (let ((alist gnus-article-mime-handle-alist) ihandle n) (while (setq ihandle (pop alist)) - (if (and (cond + (if (and (cond ((functionp condition) (funcall condition (cdr ihandle))) - ((eq condition 'undisplayed) + ((eq condition 'undisplayed) (not (or (mm-handle-undisplayer (cdr ihandle)) (equal (mm-handle-media-type (cdr ihandle)) "multipart/alternative")))) @@ -3211,7 +4766,7 @@ In no internal viewer is available, use an external viewer." (interactive "P") (save-current-buffer (set-buffer gnus-article-buffer) - (or (numberp n) (setq n (gnus-article-mime-match-handle-first + (or (numberp n) (setq n (gnus-article-mime-match-handle-first gnus-article-mime-match-handle-function))) (when (> n (length gnus-article-mime-handle-alist)) (error "No such part")) @@ -3231,17 +4786,20 @@ In no internal viewer is available, use an external viewer." "Display HANDLE and fix MIME button." (let ((id (get-text-property (point) 'gnus-part)) (point (point)) - buffer-read-only) + (inhibit-read-only t)) (forward-line 1) (prog1 (let ((window (selected-window)) (mail-parse-charset gnus-newsgroup-charset) - (mail-parse-ignored-charsets - (save-excursion (set-buffer gnus-summary-buffer) - gnus-newsgroup-ignored-charsets))) + (mail-parse-ignored-charsets + (if (gnus-buffer-live-p gnus-summary-buffer) + (save-excursion + (set-buffer gnus-summary-buffer) + gnus-newsgroup-ignored-charsets) + nil))) (save-excursion (unwind-protect - (let ((win (get-buffer-window (current-buffer) t)) + (let ((win (gnus-get-buffer-window (current-buffer) t)) (beg (point))) (when win (select-window win)) @@ -3251,7 +4809,8 @@ In no internal viewer is available, use an external viewer." ;; This will remove the part. (mm-display-part handle) (save-restriction - (narrow-to-region (point) (1+ (point))) + (narrow-to-region (point) + (if (eobp) (point) (1+ (point)))) (mm-display-part handle) ;; We narrow to the part itself and ;; then call the treatment functions. @@ -3262,25 +4821,23 @@ In no internal viewer is available, use an external viewer." nil id (gnus-article-mime-total-parts) (mm-handle-media-type handle))))) - (select-window window)))) + (if (window-live-p window) + (select-window window))))) (goto-char point) - (delete-region (gnus-point-at-bol) (progn (forward-line 1) (point))) + (gnus-delete-line) (gnus-insert-mime-button handle id (list (mm-handle-displayed-p handle))) (goto-char point)))) (defun gnus-article-goto-part (n) "Go to MIME part N." - (let ((point (text-property-any (point-min) (point-max) 'gnus-part n))) - (when point - (goto-char point)))) + (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n))) (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed) (let ((gnus-tmp-name - (or (mail-content-type-get (mm-handle-type handle) - 'name) - (mail-content-type-get (mm-handle-disposition handle) - 'filename) + (or (mail-content-type-get (mm-handle-type handle) 'name) + (mail-content-type-get (mm-handle-disposition handle) 'filename) + (mail-content-type-get (mm-handle-type handle) 'url) "")) (gnus-tmp-type (mm-handle-media-type handle)) (gnus-tmp-description @@ -3298,21 +4855,22 @@ In no internal viewer is available, use an external viewer." (setq gnus-tmp-type-long (concat gnus-tmp-type (and (not (equal gnus-tmp-name "")) (concat "; " gnus-tmp-name)))) - (or (equal gnus-tmp-description "") - (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long))) + (unless (equal gnus-tmp-description "") + (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long))) (unless (bolp) (insert "\n")) (setq b (point)) (gnus-eval-format gnus-mime-button-line-format gnus-mime-button-line-format-alist - `(keymap ,gnus-mime-button-map - ;; Not for Emacs 21: fixme better. - ;; local-map ,gnus-mime-button-map - gnus-callback gnus-mm-display-part - gnus-part ,gnus-tmp-id - article-type annotation - gnus-data ,handle)) - (setq e (point)) + `(,@(gnus-local-map-property gnus-mime-button-map) + gnus-callback gnus-mm-display-part + gnus-part ,gnus-tmp-id + article-type annotation + gnus-data ,handle)) + (setq e (if (bolp) + ;; Exclude a newline. + (1- (point)) + (point))) (widget-convert-button 'link b e :mime-handle handle @@ -3355,8 +4913,15 @@ In no internal viewer is available, use an external viewer." ;; We have to do this since selecting the window ;; may change the point. So we set the window point. (set-window-point window point))) - (let* ((handles (or ihandles (mm-dissect-buffer) (mm-uu-dissect))) - buffer-read-only handle name type b e display) + (let ((handles ihandles) + (inhibit-read-only t) + handle) + (cond (handles) + ((setq handles (mm-dissect-buffer nil gnus-article-loose-mime)) + (when gnus-article-emulate-mime + (mm-uu-dissect-text-parts handles))) + (gnus-article-emulate-mime + (setq handles (mm-uu-dissect)))) (when (and (not ihandles) (not gnus-displaying-mime)) ;; Top-level call; we clean up. @@ -3389,12 +4954,42 @@ In no internal viewer is available, use an external viewer." (save-restriction (article-goto-body) (narrow-to-region (point-min) (point)) - (gnus-treat-article 'head)))))))) + (gnus-article-save-original-date + (gnus-treat-article 'head))))))) + ;; Cope with broken MIME messages. + (goto-char (point-max)) + (unless (bolp) + (insert "\n")))) + +(defcustom gnus-mime-display-multipart-as-mixed nil + "Display \"multipart\" parts as \"multipart/mixed\". + +If t, it overrides nil values of +`gnus-mime-display-multipart-alternative-as-mixed' and +`gnus-mime-display-multipart-related-as-mixed'." + :group 'gnus-article-mime + :type 'boolean) -(defvar gnus-mime-display-multipart-as-mixed nil) +(defcustom gnus-mime-display-multipart-alternative-as-mixed nil + "Display \"multipart/alternative\" parts as \"multipart/mixed\"." + :version "22.1" + :group 'gnus-article-mime + :type 'boolean) + +(defcustom gnus-mime-display-multipart-related-as-mixed nil + "Display \"multipart/related\" parts as \"multipart/mixed\". + +If displaying \"text/html\" is discouraged \(see +`mm-discouraged-alternatives'\) images or other material inside a +\"multipart/related\" part might be overlooked when this variable is nil." + :version "22.1" + :group 'gnus-article-mime + :type 'boolean) (defun gnus-mime-display-part (handle) (cond + ;; Maybe a broken MIME message. + ((null handle)) ;; Single part. ((not (stringp (car handle))) (gnus-mime-display-single handle)) @@ -3404,16 +4999,30 @@ In no internal viewer is available, use an external viewer." handle)) ;; multipart/alternative ((and (equal (car handle) "multipart/alternative") - (not gnus-mime-display-multipart-as-mixed)) + (not (or gnus-mime-display-multipart-as-mixed + gnus-mime-display-multipart-alternative-as-mixed))) (let ((id (1+ (length gnus-article-mime-handle-alist)))) (push (cons id handle) gnus-article-mime-handle-alist) (gnus-mime-display-alternative (cdr handle) nil nil id))) ;; multipart/related ((and (equal (car handle) "multipart/related") - (not gnus-mime-display-multipart-as-mixed)) + (not (or gnus-mime-display-multipart-as-mixed + gnus-mime-display-multipart-related-as-mixed))) ;;;!!!We should find the start part, but we just default ;;;!!!to the first part. + ;;(gnus-mime-display-part (cadr handle)) + ;;;!!! Most multipart/related is an HTML message plus images. + ;;;!!! Unfortunately we are unable to let W3 display those + ;;;!!! included images, so we just display it as a mixed multipart. + ;;(gnus-mime-display-mixed (cdr handle)) + ;;;!!! No, w3 can display everything just fine. (gnus-mime-display-part (cadr handle))) + ((equal (car handle) "multipart/signed") + (gnus-add-wash-type 'signed) + (gnus-mime-display-security handle)) + ((equal (car handle) "multipart/encrypted") + (gnus-add-wash-type 'encrypted) + (gnus-mime-display-security handle)) ;; Other multiparts are handled like multipart/mixed. (t (gnus-mime-display-mixed (cdr handle))))) @@ -3444,7 +5053,9 @@ In no internal viewer is available, use an external viewer." "inline") (mm-attachment-override-p handle)))) (mm-automatic-display-p handle) - (or (mm-inlined-p handle) + (or (and + (mm-inlinable-p handle) + (mm-inlined-p handle)) (mm-automatic-external-display-p type))) (setq display t) (when (equal (mm-handle-media-supertype handle) "text") @@ -3452,22 +5063,28 @@ In no internal viewer is available, use an external viewer." (let ((id (1+ (length gnus-article-mime-handle-alist))) beg) (push (cons id handle) gnus-article-mime-handle-alist) + (when (and display + (equal (mm-handle-media-supertype handle) "message")) + (insert-char + ?\n + (cond ((not (bolp)) 2) + ((or (bobp) (eq (char-before (1- (point))) ?\n)) 0) + (t 1)))) (when (or (not display) (not (gnus-unbuttonized-mime-type-p type))) - ;(gnus-article-insert-newline) (gnus-insert-mime-button handle id (list (or display (and not-attachment text)))) (gnus-article-insert-newline) - ;(gnus-article-insert-newline) + ;; Remember modify the number of forward lines. (setq move t)) (setq beg (point)) (cond (display (when move - (forward-line -2) + (forward-line -1) (setq beg (point))) (let ((mail-parse-charset gnus-newsgroup-charset) - (mail-parse-ignored-charsets + (mail-parse-ignored-charsets (save-excursion (condition-case () (set-buffer gnus-summary-buffer) (error)) @@ -3476,28 +5093,43 @@ In no internal viewer is available, use an external viewer." (goto-char (point-max))) ((and text not-attachment) (when move - (forward-line -2) + (forward-line -1) (setq beg (point))) (gnus-article-insert-newline) - (mm-insert-inline handle (mm-get-part handle)) + (mm-insert-inline + handle + (let ((charset (mail-content-type-get (mm-handle-type handle) + 'charset))) + (cond ((not charset) + (mm-string-as-multibyte (mm-get-part handle))) + ((eq charset 'gnus-decoded) + (with-current-buffer (mm-handle-buffer handle) + (buffer-string))) + (t + (mm-decode-string (mm-get-part handle) charset))))) (goto-char (point-max)))) ;; Do highlighting. (save-excursion (save-restriction (narrow-to-region beg (point)) (gnus-treat-article - nil id + nil id (gnus-article-mime-total-parts) (mm-handle-media-type handle))))))))) (defun gnus-unbuttonized-mime-type-p (type) "Say whether TYPE is to be unbuttonized." (unless gnus-inhibit-mime-unbuttonizing - (catch 'found - (let ((types gnus-unbuttonized-mime-types)) - (while types - (when (string-match (pop types) type) - (throw 'found t))))))) + (when (catch 'found + (let ((types gnus-unbuttonized-mime-types)) + (while types + (when (string-match (pop types) type) + (throw 'found t))))) + (not (catch 'found + (let ((types gnus-buttonized-mime-types)) + (while types + (when (string-match (pop types) type) + (throw 'found t))))))))) (defun gnus-article-insert-newline () "Insert a newline, but mark it as undeletable." @@ -3508,7 +5140,7 @@ In no internal viewer is available, use an external viewer." (let* ((preferred (or preferred (mm-preferred-alternative handles))) (ihandles handles) (point (point)) - handle buffer-read-only from props begend not-pref) + handle (inhibit-read-only t) from props begend not-pref) (save-window-excursion (save-restriction (when ibegend @@ -3525,6 +5157,7 @@ In no internal viewer is available, use an external viewer." (unless (setq not-pref (cadr (member preferred ihandles))) (setq not-pref (car ihandles))) (when (or ibegend + (not preferred) (not (gnus-unbuttonized-mime-type-p "multipart/alternative"))) (gnus-add-text-properties @@ -3539,13 +5172,11 @@ In no internal viewer is available, use an external viewer." ',gnus-article-mime-handle-alist)) (gnus-mime-display-alternative ',ihandles ',not-pref ',begend ,id)) - ;; Not for Emacs 21: fixme better. - ;; local-map ,gnus-mime-button-map + ,@(gnus-local-map-property gnus-mime-button-map) ,gnus-mouse-face-prop ,gnus-article-mouse-face face ,gnus-article-button-face - keymap ,gnus-mime-button-map gnus-part ,id - gnus-data ,handle)) + article-type multipart)) (widget-convert-button 'link from (point) :action 'gnus-widget-press-button :button-keymap gnus-widget-button-keymap) @@ -3565,11 +5196,9 @@ In no internal viewer is available, use an external viewer." ',gnus-article-mime-handle-alist)) (gnus-mime-display-alternative ',ihandles ',handle ',begend ,id)) - ;; Not for Emacs 21: fixme better. - ;; local-map ,gnus-mime-button-map + ,@(gnus-local-map-property gnus-mime-button-map) ,gnus-mouse-face-prop ,gnus-article-mouse-face face ,gnus-article-button-face - keymap ,gnus-mime-button-map gnus-part ,id gnus-data ,handle)) (widget-convert-button 'link from (point) @@ -3581,7 +5210,7 @@ In no internal viewer is available, use an external viewer." (if (stringp (car preferred)) (gnus-display-mime preferred) (let ((mail-parse-charset gnus-newsgroup-charset) - (mail-parse-ignored-charsets + (mail-parse-ignored-charsets (save-excursion (set-buffer gnus-summary-buffer) gnus-newsgroup-ignored-charsets))) (mm-display-part preferred) @@ -3598,6 +5227,39 @@ In no internal viewer is available, use an external viewer." (when ibegend (goto-char point)))) +(defconst gnus-article-wash-status-strings + (let ((alist '((cite "c" "Possible hidden citation text" + " " "All citation text visible") + (headers "h" "Hidden headers" + " " "All headers visible.") + (pgp "p" "Encrypted or signed message status hidden" + " " "No hidden encryption nor digital signature status") + (signature "s" "Signature has been hidden" + " " "Signature is visible") + (overstrike "o" "Overstrike (^H) characters applied" + " " "No overstrike characters applied") + (emphasis "e" "/*_Emphasis_*/ characters applied" + " " "No /*_emphasis_*/ characters applied"))) + result) + (dolist (entry alist result) + (let ((key (nth 0 entry)) + (on (copy-sequence (nth 1 entry))) + (on-help (nth 2 entry)) + (off (copy-sequence (nth 3 entry))) + (off-help (nth 4 entry))) + (put-text-property 0 1 'help-echo on-help on) + (put-text-property 0 1 'help-echo off-help off) + (push (list key on off) result)))) + "Alist of strings describing wash status in the mode line. +Each entry has the form (KEY ON OF), where the KEY is a symbol +representing the particular washing function, ON is the string to use +in the article mode line when the washing function is active, and OFF +is the string to use when it is inactive.") + +(defun gnus-article-wash-status-entry (key value) + (let ((entry (assoc key gnus-article-wash-status-strings))) + (if value (nth 1 entry) (nth 2 entry)))) + (defun gnus-article-wash-status () "Return a string which display status of article washing." (save-excursion @@ -3607,16 +5269,42 @@ In no internal viewer is available, use an external viewer." (boring (memq 'boring-headers gnus-article-wash-types)) (pgp (memq 'pgp gnus-article-wash-types)) (pem (memq 'pem gnus-article-wash-types)) + (signed (memq 'signed gnus-article-wash-types)) + (encrypted (memq 'encrypted gnus-article-wash-types)) (signature (memq 'signature gnus-article-wash-types)) (overstrike (memq 'overstrike gnus-article-wash-types)) (emphasis (memq 'emphasis gnus-article-wash-types))) - (format "%c%c%c%c%c%c" - (if cite ?c ? ) - (if (or headers boring) ?h ? ) - (if (or pgp pem) ?p ? ) - (if signature ?s ? ) - (if overstrike ?o ? ) - (if emphasis ?e ? ))))) + (concat + (gnus-article-wash-status-entry 'cite cite) + (gnus-article-wash-status-entry 'headers (or headers boring)) + (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted)) + (gnus-article-wash-status-entry 'signature signature) + (gnus-article-wash-status-entry 'overstrike overstrike) + (gnus-article-wash-status-entry 'emphasis emphasis))))) + +(defun gnus-add-wash-type (type) + "Add a washing of TYPE to the current status." + (add-to-list 'gnus-article-wash-types type)) + +(defun gnus-delete-wash-type (type) + "Add a washing of TYPE to the current status." + (setq gnus-article-wash-types (delq type gnus-article-wash-types))) + +(defun gnus-add-image (category image) + "Add IMAGE of CATEGORY to the list of displayed images." + (let ((entry (assq category gnus-article-image-alist))) + (unless entry + (setq entry (list category)) + (push entry gnus-article-image-alist)) + (nconc entry (list image)))) + +(defun gnus-delete-images (category) + "Delete all images in CATEGORY." + (let ((entry (assq category gnus-article-image-alist))) + (dolist (image (cdr entry)) + (gnus-remove-image image category)) + (setq gnus-article-image-alist (delq entry gnus-article-image-alist)) + (gnus-delete-wash-type category))) (defalias 'gnus-article-hide-headers-if-wanted 'gnus-article-maybe-hide-headers) @@ -3632,16 +5320,55 @@ Provided for backwards compatibility." ;;; Article savers. (defun gnus-output-to-file (file-name) - "Append the current article to a file named FILE-NAME." - (let ((artbuf (current-buffer))) + "Append the current article to a file named FILE-NAME. +If `gnus-article-save-coding-system' is non-nil, it is used to encode +text and used as the value of the coding cookie which is added to the +top of a file. Otherwise, this function saves a raw article without +the coding cookie." + (let* ((artbuf (current-buffer)) + (file-name-coding-system nnmail-pathname-coding-system) + (coding gnus-article-save-coding-system) + (coding-system-for-read (if coding + nil ;; Rely on the coding cookie. + mm-text-coding-system)) + (coding-system-for-write (or coding + mm-text-coding-system-for-write + mm-text-coding-system)) + (exists (file-exists-p file-name))) (with-temp-buffer + (when exists + (insert-file-contents file-name) + (goto-char (point-min)) + ;; Remove the existing coding cookie. + (when (looking-at "X-Gnus-Coding-System: .+\n\n") + (delete-region (match-beginning 0) (match-end 0)))) + (goto-char (point-max)) (insert-buffer-substring artbuf) ;; Append newline at end of the buffer as separator, and then ;; save it to file. (goto-char (point-max)) (insert "\n") - (mm-append-to-file (point-min) (point-max) file-name) - t))) + (when coding + ;; If the coding system is not suitable to encode the text, + ;; ask a user for a proper one. + (when (fboundp 'select-safe-coding-system) + (setq coding (coding-system-base + (save-window-excursion + (select-safe-coding-system (point-min) (point-max) + coding)))) + (setq coding-system-for-write + (or (cdr (assq coding '((mule-utf-8 . utf-8)))) + coding))) + (goto-char (point-min)) + ;; Add the coding cookie. + (insert (format "X-Gnus-Coding-System: -*- coding: %s; -*-\n\n" + coding-system-for-write))) + (if exists + (progn + (write-region (point-min) (point-max) file-name nil 'no-message) + (message "Appended to %s" file-name)) + (write-region (point-min) (point-max) file-name)))) + t) (defun gnus-narrow-to-page (&optional arg) "Narrow the article buffer to a page. @@ -3654,30 +5381,35 @@ If given a numerical ARG, move forward ARG pages." (widen) ;; Remove any old next/prev buttons. (when (gnus-visual-p 'page-marker) - (let ((buffer-read-only nil)) + (let ((inhibit-read-only t)) (gnus-remove-text-with-property 'gnus-prev) (gnus-remove-text-with-property 'gnus-next))) - (when + (if (cond ((< arg 0) (re-search-backward page-delimiter nil 'move (1+ (abs arg)))) ((> arg 0) (re-search-forward page-delimiter nil 'move arg))) - (goto-char (match-end 0))) - (narrow-to-region - (point) - (if (re-search-forward page-delimiter nil 'move) - (match-beginning 0) - (point))) - (when (and (gnus-visual-p 'page-marker) - (not (= (point-min) 1))) + (goto-char (match-end 0)) (save-excursion (goto-char (point-min)) - (gnus-insert-prev-page-button))) - (when (and (gnus-visual-p 'page-marker) - (< (+ (point-max) 2) (buffer-size))) - (save-excursion - (goto-char (point-max)) - (gnus-insert-next-page-button))))) + (setq gnus-page-broken + (and (re-search-forward page-delimiter nil t) t)))) + (when gnus-page-broken + (narrow-to-region + (point) + (if (re-search-forward page-delimiter nil 'move) + (match-beginning 0) + (point))) + (when (and (gnus-visual-p 'page-marker) + (> (point-min) (save-restriction (widen) (point-min)))) + (save-excursion + (goto-char (point-min)) + (gnus-insert-prev-page-button))) + (when (and (gnus-visual-p 'page-marker) + (< (point-max) (save-restriction (widen) (point-max)))) + (save-excursion + (goto-char (point-max)) + (gnus-insert-next-page-button)))))) ;; Article mode commands @@ -3688,12 +5420,28 @@ If given a numerical ARG, move forward ARG pages." (goto-char (point-min)) (gnus-article-read-summary-keys nil (gnus-character-to-event ?n)))) + (defun gnus-article-goto-prev-page () - "Show the next page of the article." + "Show the previous page of the article." (interactive) - (if (bobp) (gnus-article-read-summary-keys nil (gnus-character-to-event ?p)) + (if (bobp) + (gnus-article-read-summary-keys nil (gnus-character-to-event ?p)) (gnus-article-prev-page nil))) +;; This is cleaner but currently breaks `gnus-pick-mode': +;; +;; (defun gnus-article-goto-next-page () +;; "Show the next page of the article." +;; (interactive) +;; (gnus-eval-in-buffer-window gnus-summary-buffer +;; (gnus-summary-next-page))) +;; +;; (defun gnus-article-goto-prev-page () +;; "Show the next page of the article." +;; (interactive) +;; (gnus-eval-in-buffer-window gnus-summary-buffer +;; (gnus-summary-prev-page))) + (defun gnus-article-next-page (&optional lines) "Show the next page of the current article. If end of article, return non-nil. Otherwise return nil. @@ -3703,25 +5451,57 @@ Argument LINES specifies lines to be scrolled up." (if (save-excursion (end-of-line) (and (pos-visible-in-window-p) ;Not continuation line. - (eobp))) + (>= (1+ (point)) (point-max)))) ;Allow for trailing newline. ;; Nothing in this page. (if (or (not gnus-page-broken) (save-excursion (save-restriction - (widen) (forward-line 1) (eobp)))) ;Real end-of-buffer? - t ;Nothing more. + (widen) + (forward-line) + (eobp)))) ;Real end-of-buffer? + (progn + (when gnus-article-over-scroll + (gnus-article-next-page-1 lines)) + t) ;Nothing more. (gnus-narrow-to-page 1) ;Go to next page. nil) ;; More in this page. - (let ((scroll-in-place nil)) - (condition-case () - (scroll-up lines) - (end-of-buffer - ;; Long lines may cause an end-of-buffer error. - (goto-char (point-max))))) - (move-to-window-line 0) + (gnus-article-next-page-1 lines) nil)) +(defmacro gnus-article-beginning-of-window () + "Move point to the beginning of the window. +In Emacs, the point is placed at the line number which `scroll-margin' +specifies." + (if (featurep 'xemacs) + '(move-to-window-line 0) + '(move-to-window-line + (min (max 0 scroll-margin) + (max 1 (- (window-height) + (if mode-line-format 1 0) + (if (and (boundp 'header-line-format) + (symbol-value 'header-line-format)) + 1 0))))))) + +(defun gnus-article-next-page-1 (lines) + (when (and (not (featurep 'xemacs)) + (numberp lines) + (> lines 0) + (numberp (symbol-value 'scroll-margin)) + (> (symbol-value 'scroll-margin) 0)) + ;; Protect against the bug that Emacs 21.x hangs up when scrolling up for + ;; too many number of lines if `scroll-margin' is set as two or greater. + (setq lines (min lines + (max 0 (- (count-lines (window-start) (point-max)) + (symbol-value 'scroll-margin)))))) + (condition-case () + (let ((scroll-in-place nil)) + (scroll-up lines)) + (end-of-buffer + ;; Long lines may cause an end-of-buffer error. + (goto-char (point-max)))) + (gnus-article-beginning-of-window)) + (defun gnus-article-prev-page (&optional lines) "Show previous page of current article. Argument LINES specifies lines to be scrolled down." @@ -3734,25 +5514,42 @@ Argument LINES specifies lines to be scrolled down." (gnus-narrow-to-page -1) ;Go to previous page. (goto-char (point-max)) (recenter -1)) - (let ((scroll-in-place nil)) - (prog1 - (condition-case () - (scroll-down lines) - (beginning-of-buffer - (goto-char (point-min)))) - (move-to-window-line 0))))) + (prog1 + (condition-case () + (let ((scroll-in-place nil)) + (scroll-down lines)) + (beginning-of-buffer + (goto-char (point-min)))) + (gnus-article-beginning-of-window)))) + +(defun gnus-article-only-boring-p () + "Decide whether there is only boring text remaining in the article. +Something \"interesting\" is a word of at least two letters that does +not have a face in `gnus-article-boring-faces'." + (when (and gnus-article-skip-boring + (boundp 'gnus-article-boring-faces) + (symbol-value 'gnus-article-boring-faces)) + (save-excursion + (let ((inhibit-point-motion-hooks t)) + (catch 'only-boring + (while (re-search-forward "\\b\\w\\w" nil t) + (forward-char -1) + (when (not (gnus-intersection + (gnus-faces-at (point)) + (symbol-value 'gnus-article-boring-faces))) + (throw 'only-boring nil))) + (throw 'only-boring t)))))) (defun gnus-article-refer-article () "Read article specified by message-id around point." (interactive) - (let ((point (point))) - (search-forward ">" nil t) ;Move point to end of "<....>". - (if (re-search-backward "\\(<[^<> \t\n]+>\\)" nil t) - (let ((message-id (match-string 1))) - (goto-char point) + (save-excursion + (re-search-backward "[ \t]\\|^" (gnus-point-at-bol) t) + (re-search-forward "]+" (gnus-point-at-eol) t) + (let ((msg-id (concat "<" (match-string 0) ">"))) (set-buffer gnus-summary-buffer) - (gnus-summary-refer-article message-id)) - (goto-char (point)) + (gnus-summary-refer-article msg-id)) (error "No references around point")))) (defun gnus-article-show-summary () @@ -3801,61 +5598,66 @@ Argument LINES specifies lines to be scrolled down." (interactive "P") (gnus-article-check-buffer) (let ((nosaves - '("q" "Q" "c" "r" "R" "\C-c\C-f" "m" "a" "f" "F" - "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP" - "=" "^" "\M-^" "|")) - (nosave-but-article - '("A\r")) - (nosave-in-article - '("\C-d")) - (up-to-top - '("n" "Gn" "p" "Gp")) - keys new-sum-point) + '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f" + "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP" + "=" "^" "\M-^" "|")) + (nosave-but-article + '("A\r")) + (nosave-in-article + '("\C-d")) + (up-to-top + '("n" "Gn" "p" "Gp")) + keys new-sum-point) (save-excursion (set-buffer gnus-article-current-summary) (let (gnus-pick-mode) - (push (or key last-command-event) unread-command-events) - (setq keys (if (featurep 'xemacs) + (push (or key last-command-event) unread-command-events) + (setq keys (if (featurep 'xemacs) (events-to-keys (read-key-sequence nil)) (read-key-sequence nil))))) - + (message "") (if (or (member keys nosaves) - (member keys nosave-but-article) - (member keys nosave-in-article)) - (let (func) - (save-window-excursion - (pop-to-buffer gnus-article-current-summary 'norecord) - ;; We disable the pick minor mode commands. - (let (gnus-pick-mode) - (setq func (lookup-key (current-local-map) keys)))) - (if (or (not func) + (member keys nosave-but-article) + (member keys nosave-in-article)) + (let (func) + (save-window-excursion + (pop-to-buffer gnus-article-current-summary 'norecord) + ;; We disable the pick minor mode commands. + (let (gnus-pick-mode) + (setq func (lookup-key (current-local-map) keys)))) + (if (or (not func) (numberp func)) - (ding) - (unless (member keys nosave-in-article) - (set-buffer gnus-article-current-summary)) - (call-interactively func) - (setq new-sum-point (point))) - (when (member keys nosave-but-article) - (pop-to-buffer gnus-article-buffer 'norecord))) + (ding) + (unless (member keys nosave-in-article) + (set-buffer gnus-article-current-summary)) + (call-interactively func) + (setq new-sum-point (point))) + (when (member keys nosave-but-article) + (pop-to-buffer gnus-article-buffer 'norecord))) ;; These commands should restore window configuration. (let ((obuf (current-buffer)) - (owin (current-window-configuration)) - (opoint (point)) - (summary gnus-article-current-summary) - func in-buffer selected) - (if not-restore-window - (pop-to-buffer summary 'norecord) - (switch-to-buffer summary 'norecord)) - (setq in-buffer (current-buffer)) - ;; We disable the pick minor mode commands. - (if (and (setq func (let (gnus-pick-mode) + (owin (current-window-configuration)) + (opoint (point)) + win func in-buffer selected new-sum-start new-sum-hscroll) + (cond (not-restore-window + (pop-to-buffer gnus-article-current-summary 'norecord)) + ((setq win (get-buffer-window gnus-article-current-summary)) + (select-window win)) + (t + (switch-to-buffer gnus-article-current-summary 'norecord))) + (setq in-buffer (current-buffer)) + ;; We disable the pick minor mode commands. + (if (and (setq func (let (gnus-pick-mode) (lookup-key (current-local-map) keys))) (functionp func)) - (progn - (call-interactively func) - (setq new-sum-point (point)) + (progn + (call-interactively func) + (when (eq win (selected-window)) + (setq new-sum-point (point) + new-sum-start (window-start win) + new-sum-hscroll (window-hscroll win))) (when (eq in-buffer (current-buffer)) (setq selected (gnus-summary-select-article)) (set-buffer obuf) @@ -3867,11 +5669,13 @@ Argument LINES specifies lines to be scrolled down." 1) (set-window-point (get-buffer-window (current-buffer)) (point))) - (let ((win (get-buffer-window gnus-article-current-summary))) - (when win - (set-window-point win new-sum-point)))) ) - (switch-to-buffer gnus-article-buffer) - (ding)))))) + (when (and (not not-restore-window) + new-sum-point) + (set-window-point win new-sum-point) + (set-window-start win new-sum-start) + (set-window-hscroll win new-sum-hscroll)))) + (set-window-configuration owin) + (ding)))))) (defun gnus-article-describe-key (key) "Display documentation of the function invoked by KEY. KEY is a string." @@ -3881,10 +5685,16 @@ Argument LINES specifies lines to be scrolled down." (save-excursion (set-buffer gnus-article-current-summary) (let (gnus-pick-mode) - (push (elt key 0) unread-command-events) - (setq key (if (featurep 'xemacs) - (events-to-keys (read-key-sequence "Describe key: ")) - (read-key-sequence "Describe key: ")))) + (if (featurep 'xemacs) + (progn + (push (elt key 0) unread-command-events) + (setq key (events-to-keys + (read-key-sequence "Describe key: ")))) + (setq unread-command-events + (mapcar + (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x)) + (string-to-list key))) + (setq key (read-key-sequence "Describe key: ")))) (describe-key key)) (describe-key key))) @@ -3896,22 +5706,65 @@ Argument LINES specifies lines to be scrolled down." (save-excursion (set-buffer gnus-article-current-summary) (let (gnus-pick-mode) - (push (elt key 0) unread-command-events) - (setq key (if (featurep 'xemacs) - (events-to-keys (read-key-sequence "Describe key: ")) - (read-key-sequence "Describe key: ")))) + (if (featurep 'xemacs) + (progn + (push (elt key 0) unread-command-events) + (setq key (events-to-keys + (read-key-sequence "Describe key: ")))) + (setq unread-command-events + (mapcar + (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x)) + (string-to-list key))) + (setq key (read-key-sequence "Describe key: ")))) (describe-key-briefly key insert)) (describe-key-briefly key insert))) +(defun gnus-article-reply-with-original (&optional wide) + "Start composing a reply mail to the current message. +The text in the region will be yanked. If the region isn't active, +the entire article will be yanked." + (interactive "P") + (let ((article (cdr gnus-article-current)) + contents) + (if (not (gnus-mark-active-p)) + (with-current-buffer gnus-summary-buffer + (gnus-summary-reply (list (list article)) wide)) + (setq contents (buffer-substring (point) (mark t))) + ;; Deactivate active regions. + (when (and (boundp 'transient-mark-mode) + transient-mark-mode) + (setq mark-active nil)) + (with-current-buffer gnus-summary-buffer + (gnus-summary-reply + (list (list article contents)) wide))))) + +(defun gnus-article-followup-with-original () + "Compose a followup to the current article. +The text in the region will be yanked. If the region isn't active, +the entire article will be yanked." + (interactive) + (let ((article (cdr gnus-article-current)) + contents) + (if (not (gnus-mark-active-p)) + (with-current-buffer gnus-summary-buffer + (gnus-summary-followup (list (list article)))) + (setq contents (buffer-substring (point) (mark t))) + ;; Deactivate active regions. + (when (and (boundp 'transient-mark-mode) + transient-mark-mode) + (setq mark-active nil)) + (with-current-buffer gnus-summary-buffer + (gnus-summary-followup + (list (list article contents))))))) + (defun gnus-article-hide (&optional arg force) "Hide all the gruft in the current article. -This means that PGP stuff, signatures, cited text and (some) -headers will be hidden. +This means that signatures, cited text and (some) headers will be +hidden. If given a prefix, show the hidden text instead." (interactive (append (gnus-article-hidden-arg) (list 'force))) (gnus-article-hide-headers arg) (gnus-article-hide-list-identifiers arg) - (gnus-article-hide-pgp arg) (gnus-article-hide-citation-maybe arg force) (gnus-article-hide-signature arg)) @@ -3927,6 +5780,9 @@ If given a prefix, show the hidden text instead." (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name)) (gnus-request-group gnus-newsgroup-name t))) +(eval-when-compile + (autoload 'nneething-get-file-name "nneething")) + (defun gnus-request-article-this-buffer (article group) "Get an article and insert it into this buffer." (let (do-update-line sparse-header) @@ -3976,12 +5832,10 @@ If given a prefix, show the hidden text instead." gnus-newsgroup-name))) (when (and (eq (car method) 'nneething) (vectorp header)) - (let ((dir (expand-file-name - (mail-header-subject header) - (file-name-as-directory - (or (cadr (assq 'nneething-address method)) - (nth 1 method)))))) - (when (file-directory-p dir) + (let ((dir (nneething-get-file-name + (mail-header-id header)))) + (when (and (stringp dir) + (file-directory-p dir)) (setq article 'nneething) (gnus-group-enter-directory dir)))))))) @@ -4020,14 +5874,19 @@ If given a prefix, show the hidden text instead." (numberp article) (gnus-cache-request-article article group)) 'article) + ;; Check the agent cache. + ((gnus-agent-request-article article group) + 'article) ;; Get the article and put into the article buffer. ((or (stringp article) (numberp article)) (let ((gnus-override-method gnus-override-method) - (methods (and (stringp article) + (methods (and (stringp article) gnus-refer-article-method)) + (backend (car (gnus-find-method-for-group + gnus-newsgroup-name))) result - (buffer-read-only nil)) + (inhibit-read-only t)) (if (or (not (listp methods)) (and (symbolp (car methods)) (assq (car methods) nnoo-definition-alist))) @@ -4037,23 +5896,29 @@ If given a prefix, show the hidden text instead." (setq gnus-override-method (pop methods))) (while (not result) (when (eq gnus-override-method 'current) - (setq gnus-override-method gnus-current-select-method)) + (setq gnus-override-method + (with-current-buffer gnus-summary-buffer + gnus-current-select-method))) (erase-buffer) (gnus-kill-all-overlays) (let ((gnus-newsgroup-name group)) (gnus-check-group-server)) - (when (gnus-request-article article group (current-buffer)) + (cond + ((gnus-request-article article group (current-buffer)) (when (numberp article) - (gnus-async-prefetch-next group article + (gnus-async-prefetch-next group article gnus-summary-buffer) (when gnus-keep-backlog (gnus-backlog-enter-article group article (current-buffer)))) (setq result 'article)) - (if (not result) - (if methods - (setq gnus-override-method (pop methods)) - (setq result 'done)))) + (methods + (setq gnus-override-method (pop methods))) + ((not (string-match "^400 " + (nnheader-get-report backend))) + ;; If we get 400 server disconnect, reconnect and + ;; retry; otherwise, assume the article has expired. + (setq result 'done)))) (and (eq result 'article) 'article))) ;; It was a pseudo. (t article))) @@ -4073,7 +5938,7 @@ If given a prefix, show the hidden text instead." (buffer-disable-undo) (setq major-mode 'gnus-original-article-mode) (setq buffer-read-only t)) - (let (buffer-read-only) + (let ((inhibit-read-only t)) (erase-buffer) (insert-buffer-substring gnus-article-buffer)) (setq gnus-original-article (cons group article))) @@ -4091,7 +5956,7 @@ If given a prefix, show the hidden text instead." (set-buffer gnus-summary-buffer) (gnus-summary-update-article do-update-line sparse-header) (gnus-summary-goto-subject do-update-line nil t) - (set-window-point (get-buffer-window (current-buffer) t) + (set-window-point (gnus-get-buffer-window (current-buffer) t) (point)) (set-buffer buf)))))) @@ -4107,35 +5972,87 @@ If given a prefix, show the hidden text instead." (defvar gnus-article-edit-done-function nil) (defvar gnus-article-edit-mode-map nil) +(defvar gnus-article-edit-mode nil) ;; Should we be using derived.el for this? (unless gnus-article-edit-mode-map - (setq gnus-article-edit-mode-map (make-sparse-keymap)) + (setq gnus-article-edit-mode-map (make-keymap)) (set-keymap-parent gnus-article-edit-mode-map text-mode-map) (gnus-define-keys gnus-article-edit-mode-map + "\C-c?" describe-mode "\C-c\C-c" gnus-article-edit-done - "\C-c\C-k" gnus-article-edit-exit) + "\C-c\C-k" gnus-article-edit-exit + "\C-c\C-f\C-t" message-goto-to + "\C-c\C-f\C-o" message-goto-from + "\C-c\C-f\C-b" message-goto-bcc + ;;"\C-c\C-f\C-w" message-goto-fcc + "\C-c\C-f\C-c" message-goto-cc + "\C-c\C-f\C-s" message-goto-subject + "\C-c\C-f\C-r" message-goto-reply-to + "\C-c\C-f\C-n" message-goto-newsgroups + "\C-c\C-f\C-d" message-goto-distribution + "\C-c\C-f\C-f" message-goto-followup-to + "\C-c\C-f\C-m" message-goto-mail-followup-to + "\C-c\C-f\C-k" message-goto-keywords + "\C-c\C-f\C-u" message-goto-summary + "\C-c\C-f\C-i" message-insert-or-toggle-importance + "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to + "\C-c\C-b" message-goto-body + "\C-c\C-i" message-goto-signature + + "\C-c\C-t" message-insert-to + "\C-c\C-n" message-insert-newsgroups + "\C-c\C-o" message-sort-headers + "\C-c\C-e" message-elide-region + "\C-c\C-v" message-delete-not-region + "\C-c\C-z" message-kill-to-signature + "\M-\r" message-newline-and-reformat + "\C-c\C-a" mml-attach-file + "\C-a" message-beginning-of-line + "\t" message-tab + "\M-;" comment-region) (gnus-define-keys (gnus-article-edit-wash-map "\C-c\C-w" gnus-article-edit-mode-map) "f" gnus-article-edit-full-stops)) -(defun gnus-article-edit-mode () +(easy-menu-define + gnus-article-edit-mode-field-menu gnus-article-edit-mode-map "" + '("Field" + ["Fetch To" message-insert-to t] + ["Fetch Newsgroups" message-insert-newsgroups t] + "----" + ["To" message-goto-to t] + ["From" message-goto-from t] + ["Subject" message-goto-subject t] + ["Cc" message-goto-cc t] + ["Reply-To" message-goto-reply-to t] + ["Summary" message-goto-summary t] + ["Keywords" message-goto-keywords t] + ["Newsgroups" message-goto-newsgroups t] + ["Followup-To" message-goto-followup-to t] + ["Mail-Followup-To" message-goto-mail-followup-to t] + ["Distribution" message-goto-distribution t] + ["Body" message-goto-body t] + ["Signature" message-goto-signature t])) + +(define-derived-mode gnus-article-edit-mode message-mode "Article Edit" "Major mode for editing articles. This is an extended text-mode. \\{gnus-article-edit-mode-map}" - (interactive) - (setq major-mode 'gnus-article-edit-mode) - (setq mode-name "Article Edit") - (use-local-map gnus-article-edit-mode-map) (make-local-variable 'gnus-article-edit-done-function) (make-local-variable 'gnus-prev-winconf) + (set (make-local-variable 'font-lock-defaults) + '(message-font-lock-keywords t)) + (set (make-local-variable 'mail-header-separator) "") + (set (make-local-variable 'gnus-article-edit-mode) t) + (easy-menu-add message-mode-field-menu message-mode-map) + (mml-mode) (setq buffer-read-only nil) (buffer-enable-undo) - (widen) - (gnus-run-hooks 'text-mode-hook 'gnus-article-edit-mode-hook)) + (widen)) (defun gnus-article-edit (&optional force) "Edit the current article. @@ -4159,8 +6076,12 @@ groups." "Start editing the contents of the current article buffer." (let ((winconf (current-window-configuration))) (set-buffer gnus-article-buffer) - (gnus-article-edit-mode) + (let ((message-auto-save-directory + ;; Don't associate the article buffer with a draft file. + nil)) + (gnus-article-edit-mode)) (funcall start-func) + (set-buffer-modified-p nil) (gnus-configure-windows 'edit-article) (setq gnus-article-edit-done-function exit-func) (setq gnus-prev-winconf winconf) @@ -4169,69 +6090,57 @@ groups." (defun gnus-article-edit-done (&optional arg) "Update the article edits and exit." (interactive "P") - (save-excursion - (save-restriction - (widen) - (when (article-goto-body) - (let ((lines (count-lines (point) (point-max))) - (length (- (point-max) (point))) - (case-fold-search t) - (body (copy-marker (point)))) - (goto-char (point-min)) - (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t) - (delete-region (match-beginning 1) (match-end 1)) - (insert (number-to-string length))) - (goto-char (point-min)) - (when (re-search-forward - "^x-content-length:[ \t]\\([0-9]+\\)" body t) - (delete-region (match-beginning 1) (match-end 1)) - (insert (number-to-string length))) - (goto-char (point-min)) - (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t) - (delete-region (match-beginning 1) (match-end 1)) - (insert (number-to-string lines))))))) (let ((func gnus-article-edit-done-function) (buf (current-buffer)) - (start (window-start))) - (gnus-article-edit-exit) + (start (window-start)) + (p (point)) + (winconf gnus-prev-winconf)) + (widen) ;; Widen it in case that users narrowed the buffer. + (funcall func arg) + (set-buffer buf) + ;; The cache and backlog have to be flushed somewhat. + (when gnus-keep-backlog + (gnus-backlog-remove-article + (car gnus-article-current) (cdr gnus-article-current))) + ;; Flush original article as well. (save-excursion - (set-buffer buf) - (let ((buffer-read-only nil)) - (funcall func arg)) - ;; The cache and backlog have to be flushed somewhat. - (when gnus-keep-backlog - (gnus-backlog-remove-article - (car gnus-article-current) (cdr gnus-article-current))) - ;; Flush original article as well. - (save-excursion - (when (get-buffer gnus-original-article-buffer) - (set-buffer gnus-original-article-buffer) - (setq gnus-original-article nil))) - (when gnus-use-cache - (gnus-cache-update-article - (car gnus-article-current) (cdr gnus-article-current)))) + (when (get-buffer gnus-original-article-buffer) + (set-buffer gnus-original-article-buffer) + (setq gnus-original-article nil))) + (when gnus-use-cache + (gnus-cache-update-article + (car gnus-article-current) (cdr gnus-article-current))) + ;; We remove all text props from the article buffer. + (kill-all-local-variables) + (gnus-set-text-properties (point-min) (point-max) nil) + (gnus-article-mode) + (set-window-configuration winconf) (set-buffer buf) (set-window-start (get-buffer-window buf) start) - (set-window-point (get-buffer-window buf) (point)))) + (set-window-point (get-buffer-window buf) (point))) + (gnus-summary-show-article)) (defun gnus-article-edit-exit () "Exit the article editing without updating." (interactive) - ;; We remove all text props from the article buffer. - (let ((buf (buffer-substring-no-properties (point-min) (point-max))) - (curbuf (current-buffer)) - (p (point)) - (window-start (window-start))) - (erase-buffer) - (insert buf) - (let ((winconf gnus-prev-winconf)) - (gnus-article-mode) - (set-window-configuration winconf) - ;; Tippy-toe some to make sure that point remains where it was. - (save-current-buffer - (set-buffer curbuf) - (set-window-start (get-buffer-window (current-buffer)) window-start) - (goto-char p))))) + (when (or (not (buffer-modified-p)) + (yes-or-no-p "Article modified; kill anyway? ")) + (let ((curbuf (current-buffer)) + (p (point)) + (window-start (window-start))) + (erase-buffer) + (if (gnus-buffer-live-p gnus-original-article-buffer) + (insert-buffer-substring gnus-original-article-buffer)) + (let ((winconf gnus-prev-winconf)) + (kill-all-local-variables) + (gnus-article-mode) + (set-window-configuration winconf) + ;; Tippy-toe some to make sure that point remains where it was. + (save-current-buffer + (set-buffer curbuf) + (set-window-start (get-buffer-window (current-buffer)) window-start) + (goto-char p)))) + (gnus-summary-show-article))) (defun gnus-article-edit-full-stops () "Interactively repair spacing at end of sentences." @@ -4250,34 +6159,518 @@ groups." ;;; Internal Variables: -(defcustom gnus-button-url-regexp "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|news\\|telnet\\|wais\\|mailto\\):\\)\\(//[-a-zA-Z0-9_.]+:[0-9]*\\)?\\([-a-zA-Z0-9_=!?#$@~`%&*+|\\/:;.,]\\|\\w\\)+\\([-a-zA-Z0-9_=#$@~`%&*+|\\/]\\|\\w\\)\\)" +(defcustom gnus-button-url-regexp + (if (string-match "[[:digit:]]" "1") ;; support POSIX? + "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?[-a-z0-9_=!?#$@~%&*+\\/:;.,[:word:]]+[-a-z0-9_=#$@~%&*+\\/[:word:]]\\)" + "\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\([-a-z0-9_=!?#$@~%&*+\\/:;.,]\\|\\w\\)+\\([-a-z0-9_=#$@~%&*+\\/]\\|\\w\\)\\)") "Regular expression that matches URLs." :group 'gnus-article-buttons :type 'regexp) +(defcustom gnus-button-valid-fqdn-regexp + message-valid-fqdn-regexp + "Regular expression that matches a valid FQDN." + :version "22.1" + :group 'gnus-article-buttons + :type 'regexp) + +;; Regexp suggested by Felix Wiemann in <87oeuomcz9.fsf@news2.ososo.de> +(defcustom gnus-button-valid-localpart-regexp + "[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t @]*" + "Regular expression that matches a localpart of mail addresses or MIDs." + :version "22.1" + :group 'gnus-article-buttons + :type 'regexp) + +(defcustom gnus-button-man-handler 'manual-entry + "Function to use for displaying man pages. +The function must take at least one argument with a string naming the +man page." + :version "22.1" + :type '(choice (function-item :tag "Man" manual-entry) + (function-item :tag "Woman" woman) + (function :tag "Other")) + :group 'gnus-article-buttons) + +(defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/" + "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive. +If the default site is too slow, try to find a CTAN mirror, see +. See also +the variable `gnus-button-handle-ctan'." + :version "22.1" + :group 'gnus-article-buttons + :link '(custom-manual "(gnus)Group Parameters") + :type '(choice (const "http://www.tex.ac.uk/tex-archive/") + (const "http://tug.ctan.org/tex-archive/") + (const "http://www.dante.de/CTAN/") + (string :tag "Other"))) + +(defcustom gnus-button-ctan-handler 'browse-url + "Function to use for displaying CTAN links. +The function must take one argument, the string naming the URL." + :version "22.1" + :type '(choice (function-item :tag "Browse Url" browse-url) + (function :tag "Other")) + :group 'gnus-article-buttons) + +(defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/" + "Bogus strings removed from CTAN URLs." + :version "22.1" + :group 'gnus-article-buttons + :type '(choice (const "^/?tex-archive/\\|/") + (regexp :tag "Other"))) + +(defcustom gnus-button-ctan-directory-regexp + (regexp-opt + (list "archive-tools" "biblio" "bibliography" "digests" "documentation" + "dviware" "fonts" "graphics" "help" "indexing" "info" "language" + "languages" "macros" "nonfree" "obsolete" "support" "systems" + "tds" "tools" "usergrps" "web") t) + "Regular expression for ctan directories. +It should match all directories in the top level of `gnus-ctan-url'." + :version "22.1" + :group 'gnus-article-buttons + :type 'regexp) + +(defcustom gnus-button-mid-or-mail-regexp + (concat "\\b\\(?\\)\\b") + "Regular expression that matches a message ID or a mail address." + :version "22.1" + :group 'gnus-article-buttons + :type 'regexp) + +(defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic + "What to do when the button on a string as \"foo123@bar.invalid\" is pushed. +Strings like this can be either a message ID or a mail address. If it is one +of the symbols `mid' or `mail', Gnus will always assume that the string is a +message ID or a mail address, respectively. If this variable is set to the +symbol `ask', always query the user what do do. If it is a function, this +function will be called with the string as it's only argument. The function +must return `mid', `mail', `invalid' or `ask'." + :version "22.1" + :group 'gnus-article-buttons + :type '(choice (function-item :tag "Heuristic function" + gnus-button-mid-or-mail-heuristic) + (const ask) + (const mid) + (const mail))) + +(defcustom gnus-button-mid-or-mail-heuristic-alist + '((-10.0 . ".+\\$.+@") + (-10.0 . "#") + (-10.0 . "\\*") + (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs + (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /\@news/i + (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /\@.*dialup/i; + (-1.0 . "^[^a-z]+@") + ;; + (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@" + (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@" + (-3.0 . "[A-Z][A-Z][a-z][a-z].*@") + (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@") + ;; + (-2.0 . "^[0-9]") + (-1.0 . "^[0-9][0-9]") + ;; + ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/; + (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]") + ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/; + (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]") + ;; + (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@" + (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@") + ;; "[0-9]{8,}.*\@" + (-3.0 + . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@") + ;; "[0-9]{12,}.*\@" + ;; compensation for TDMA dated mail addresses: + (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@") + ;; + (-20.0 . "\\.fsf@") ;; Gnus + (-20.0 . "^slrn") + (-20.0 . "^Pine") + (-20.0 . "_-_") ;; Subject change in thread + ;; + (-20.0 . "\\.ln@") ;; leafnode + (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de") + (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent + ;; + ;; (5.0 . "") ;; $local_part_len <= 7 + (10.0 . "^[^0-9]+@") + (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@") + ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part + (3.0 . "\@stud") + ;; + (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@") + ;; + (0.5 . "^[A-Z][a-z]") + (0.5 . "^[A-Z][a-z][a-z]") + (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3} + (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4} + "An alist of \(RATE . REGEXP\) pairs for `gnus-button-mid-or-mail-heuristic'. + +A negative RATE indicates a message IDs, whereas a positive indicates a mail +address. The REGEXP is processed with `case-fold-search' set to nil." + :version "22.1" + :group 'gnus-article-buttons + :type '(repeat (cons (number :tag "Rate") + (regexp :tag "Regexp")))) + +(defun gnus-button-mid-or-mail-heuristic (mid-or-mail) + "Guess whether MID-OR-MAIL is a message ID or a mail address. +Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail +address, `ask' if unsure and `invalid' if the string is invalid." + (let ((case-fold-search nil) + (list gnus-button-mid-or-mail-heuristic-alist) + (result 0) rate regexp lpartlen elem) + (setq lpartlen + (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1"))) + (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen) + ;; Certain special cases... + (when (string-match + (concat + "^0[0-9]+-[0-9][0-9][0-9][0-9]@t-online\\.de$\\|" + "^[0-9]+\\.[0-9]+@compuserve\\|" + "@public\\.gmane\\.org") + mid-or-mail) + (gnus-message 8 "`%s' is a known mail address." mid-or-mail) + (setq result 'mail)) + (when (string-match "@.*@\\| " mid-or-mail) + (gnus-message 8 "`%s' is invalid." mid-or-mail) + (setq result 'invalid)) + ;; Nothing more to do, if result is not a number here... + (when (numberp result) + (while list + (setq elem (car list) + rate (car elem) + regexp (cdr elem) + list (cdr list)) + (when (string-match regexp mid-or-mail) + (setq result (+ result rate)) + (gnus-message + 9 "`%s' matched `%s', rate `%s', result `%s'." + mid-or-mail regexp rate result))) + (when (<= lpartlen 7) + (setq result (+ result 5.0)) + (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'." + mid-or-mail result)) + (when (>= lpartlen 12) + (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail) + (cond + ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail) + ;; Long local part should contain realname if e-mail address, + ;; too many digits: message-id. + ;; $score -= 5.0 + 0.1 * $local_part_len; + (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen)))) + (setq result (+ result rate)) + (gnus-message + 9 "Many digits in `%s', rate `%s', result `%s'." + mid-or-mail rate result)) + ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@" + mid-or-mail) + ;; Too few vowels [^aeiouy]{4,}.*\@ + (setq result (+ result -5.0)) + (gnus-message + 9 "Few vowels in `%s', rate `%s', result `%s'." + mid-or-mail -5.0 result)) + (t + (setq result (+ result 5.0)) + (gnus-message + 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result))))) + (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result) + ;; Maybe we should make this a customizable alist: (condition . 'result) + (cond + ((symbolp result) result) + ;; Now convert number into proper results: + ((< result -10.0) 'mid) + ((> result 10.0) 'mail) + (t 'ask)))) + +(defun gnus-button-handle-mid-or-mail (mid-or-mail) + (let* ((pref gnus-button-prefer-mid-or-mail) guessed + (url-mid (concat "news" ":" mid-or-mail)) + (url-mailto (concat "mailto" ":" mid-or-mail))) + (gnus-message 9 "mid-or-mail=%s" mid-or-mail) + (when (fboundp pref) + (setq guessed + ;; get rid of surrounding angles... + (funcall pref + (gnus-replace-in-string mid-or-mail "^<\\|>$" ""))) + (if (or (eq 'mid guessed) (eq 'mail guessed)) + (setq pref guessed) + (setq pref 'ask))) + (if (eq pref 'ask) + (save-window-excursion + (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? ")) + (setq pref 'mail) + (setq pref 'mid)))) + (cond ((eq pref 'mid) + (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid) + (gnus-button-handle-news url-mid)) + ((eq pref 'mail) + (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto) + (gnus-url-mailto url-mailto)) + (t (gnus-message 3 "Invalid string."))))) + +(defun gnus-button-handle-custom (url) + "Follow a Custom URL." + (customize-apropos (gnus-url-unhex-string url))) + +(defvar gnus-button-handle-describe-prefix "^\\(C-h\\|?\\)") + +;; FIXME: Maybe we should merge some of the functions that do quite similar +;; stuff? + +(defun gnus-button-handle-describe-function (url) + "Call `describe-function' when pushing the corresponding URL button." + (describe-function + (intern + (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))) + +(defun gnus-button-handle-describe-variable (url) + "Call `describe-variable' when pushing the corresponding URL button." + (describe-variable + (intern + (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))) + +(defun gnus-button-handle-symbol (url) +"Display help on variable or function. +Calls `describe-variable' or `describe-function'." + (let ((sym (intern url))) + (cond + ((fboundp sym) (describe-function sym)) + ((boundp sym) (describe-variable sym)) + (t (gnus-message 3 "`%s' is not a known function of variable." url))))) + +(defun gnus-button-handle-describe-key (url) + "Call `describe-key' when pushing the corresponding URL button." + (let* ((key-string + (gnus-replace-in-string url gnus-button-handle-describe-prefix "")) + (keys (ignore-errors (eval `(kbd ,key-string))))) + (if keys + (describe-key keys) + (gnus-message 3 "Invalid key sequence in button: %s" key-string)))) + +(defun gnus-button-handle-apropos (url) + "Call `apropos' when pushing the corresponding URL button." + (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))) + +(defun gnus-button-handle-apropos-command (url) + "Call `apropos' when pushing the corresponding URL button." + (apropos-command + (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))) + +(defun gnus-button-handle-apropos-variable (url) + "Call `apropos' when pushing the corresponding URL button." + (funcall + (if (fboundp 'apropos-variable) 'apropos-variable 'apropos) + (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))) + +(defun gnus-button-handle-apropos-documentation (url) + "Call `apropos' when pushing the corresponding URL button." + (funcall + (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos) + (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))) + +(defun gnus-button-handle-library (url) + "Call `locate-library' when pushing the corresponding URL button." + (gnus-message 9 "url=`%s'" url) + (let* ((lib (locate-library url)) + (file (gnus-replace-in-string (or lib "") "\.elc" ".el"))) + (if (not lib) + (gnus-message 1 "Cannot locale library `%s'." url) + (find-file-read-only file)))) + +(defun gnus-button-handle-ctan (url) + "Call `browse-url' when pushing a CTAN URL button." + (funcall + gnus-button-ctan-handler + (concat + gnus-ctan-url + (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp "")))) + +(defcustom gnus-button-tex-level 5 + "*Integer that says how many TeX-related buttons Gnus will show. +The higher the number, the more buttons will appear and the more false +positives are possible. Note that you can set this variable local to +specific groups. Setting it higher in TeX groups is probably a good idea. +See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on +how to set variables in specific groups." + :version "22.1" + :group 'gnus-article-buttons + :link '(custom-manual "(gnus)Group Parameters") + :type 'integer) + +(defcustom gnus-button-man-level 5 + "*Integer that says how many man-related buttons Gnus will show. +The higher the number, the more buttons will appear and the more false +positives are possible. Note that you can set this variable local to +specific groups. Setting it higher in Unix groups is probably a good idea. +See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on +how to set variables in specific groups." + :version "22.1" + :group 'gnus-article-buttons + :link '(custom-manual "(gnus)Group Parameters") + :type 'integer) + +(defcustom gnus-button-emacs-level 5 + "*Integer that says how many emacs-related buttons Gnus will show. +The higher the number, the more buttons will appear and the more false +positives are possible. Note that you can set this variable local to +specific groups. Setting it higher in Emacs or Gnus related groups is +probably a good idea. See Info node `(gnus)Group Parameters' and the variable +`gnus-parameters' on how to set variables in specific groups." + :version "22.1" + :group 'gnus-article-buttons + :link '(custom-manual "(gnus)Group Parameters") + :type 'integer) + +(defcustom gnus-button-message-level 5 + "*Integer that says how many buttons for news or mail messages will appear. +The higher the number, the more buttons will appear and the more false +positives are possible." + ;; mail addresses, MIDs, URLs for news, ... + :version "22.1" + :group 'gnus-article-buttons + :type 'integer) + +(defcustom gnus-button-browse-level 5 + "*Integer that says how many buttons for browsing will appear. +The higher the number, the more buttons will appear and the more false +positives are possible." + ;; stuff handled by `browse-url' or `gnus-button-embedded-url' + :version "22.1" + :group 'gnus-article-buttons + :type 'integer) + (defcustom gnus-button-alist - `(("<\\(url:[>\n\t ]*?\\)?news:[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>" - 0 t gnus-button-message-id 2) - ("\\bnews:\\([^>\n\t ]*@[^>)!;:,\n\t ]*\\)" 0 t gnus-button-message-id 1) - ("\\(\\b<\\(url:[>\n\t ]*\\)?news:[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)" - 1 t - gnus-button-fetch-group 4) - ("\\bnews:\\(//\\)?\\([^'\">\n\t ]+\\)" 0 t gnus-button-fetch-group 2) - ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" 2 - t gnus-button-message-id 3) - ("\\( \n\t]+\\)>" 0 t gnus-url-mailto 2) - ("mailto:\\([-a-zA-Z.@_+0-9%]+\\)" 0 t gnus-url-mailto 1) - ("\\bmailto:\\([^ \n\t]+\\)" 0 t gnus-url-mailto 1) - ;; This is how URLs _should_ be embedded in text... - ("]*\\)>" 0 t gnus-button-embedded-url 1) + '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t ]*@[^>\n\t ]*\\)>" + 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3) + ((concat "\\b\\(nntp\\|news\\):\\(" + gnus-button-valid-localpart-regexp "@[a-z0-9.-]+[a-z]\\)") + 0 t gnus-button-handle-news 2) + ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t ]*\\(//\\)?\\([^>\n\t ]*\\)>\\)" + 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5) + ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)" + 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3) + ;; RFC 2392 (Don't allow `/' in domain part --> CID) + ("\\bmid:\\(//\\)?\\([^'\">\n\t ]+@[^'\">\n\t /]+\\)" + 0 (>= gnus-button-message-level 0) gnus-button-message-id 2) + ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>]+@[^\n @<>]+\\)>\\)" + 2 (>= gnus-button-message-level 0) gnus-button-message-id 3) + ("\\( \n\t]+\\)>" + 0 (>= gnus-button-message-level 0) gnus-url-mailto 2) + ;; RFC 2368 (The mailto URL scheme) + ("\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)" + 0 (>= gnus-button-message-level 0) gnus-url-mailto 1) + ("\\bmailto:\\([^ \n\t]+\\)" + 0 (>= gnus-button-message-level 0) gnus-url-mailto 1) + ;; CTAN + ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\(" + gnus-button-ctan-directory-regexp + "[^][>)!;:,'\n\t ]+\\)") + 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1) + ((concat "\\btex-archive/\\(" + gnus-button-ctan-directory-regexp + "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)") + 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1) + ((concat + "\\b\\(" + gnus-button-ctan-directory-regexp + "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)") + 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1) + ;; This is info (home-grown style) + ("\\binfo://\\([^'\">\n\t ]+\\)" + 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1) + ;; Info GNOME style + ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)" + 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1) + ;; Info KDE style + ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>" + 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2) + ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0 + (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2) + ("\\b\\(C-h\\|?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+ ?[^ ]+\\)[ \t\n]+RET" + ;; Info links like `C-h i d m CC Mode RET' + 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2) + ;; This is custom + ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)" + 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2) + ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0 + (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1) + ;; Emacs help commands + ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET" + ;; regexp doesn't match arguments containing ` '. + 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1) + ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET" + 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1) + ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET" + 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1) + ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET" + 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-documentation 1) + ;; The following entries may lead to many false positives so don't enable + ;; them by default (use a high button level). + ("/\\([a-z][-a-z0-9]+\\.el\\)\\>[^.?]" + ;; Exclude [.?] for URLs in gmane.emacs.cvs + 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1) + ("`\\([a-z][-a-z0-9]+\\.el\\)'" + 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1) + ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'" + 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1) + ("`\\([a-z][a-z0-9]+-[a-z]+\\)'" + 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1) + ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)" + 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1) + ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET" + 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1) + ("\\b\\(C-h\\|?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET" + 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2) + ("\\b\\(C-h\\|?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET" + 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2) + ("`\\(\\b\\(C-h\\|?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'" + ;; Unlike the other regexps we really have to require quoting + ;; here to determine where it ends. + 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3) + ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)... + ("]*\\)>" + 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1) + ;; RFC 2396 (2.4.3., delims) ... + ("\"URL: *\\([^\"]*\\)\"" + 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1) + ;; RFC 2396 (2.4.3., delims) ... + ("\"URL: *\\([^\"]*\\)\"" + 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1) ;; Raw URLs. - (,gnus-button-url-regexp 0 t browse-url 0)) + (gnus-button-url-regexp + 0 (>= gnus-button-browse-level 0) browse-url 0) + ;; man pages + ("\\b\\([a-z][a-z]+([1-9])\\)\\W" + 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3)) + gnus-button-handle-man 1) + ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x) + ("\\b\\([a-z][-_.a-z0-9]+([1-9])\\)\\W" + 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5)) + gnus-button-handle-man 1) + ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm), + ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7) + ("\\b\\(\\(?:[a-z][-+_.:a-z0-9]+([1-9][X1a-z]*)\\)\\|\\b\\(?:X([1-9])\\)\\)\\W" + 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1) + ;; MID or mail: To avoid too many false positives we don't try to catch + ;; all kind of allowed MIDs or mail addresses. Domain part must contain + ;; at least one dot. TLD must contain two or three chars or be a know TLD + ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist' + ;; so that non-ambiguous entries (see above) match first. + (gnus-button-mid-or-mail-regexp + 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1)) "*Alist of regexps matching buttons in article bodies. Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where -REGEXP: is the string matching text around the button, +REGEXP: is the string (case insensitive) matching text around the button (can +also be Lisp expression evaluating to a string), BUTTON: is the number of the regexp grouping actually matching the button, -FORM: is a lisp expression which must eval to true for the button to +FORM: is a Lisp expression which must eval to true for the button to be added, CALLBACK: is the function to call when the user push this button, and each PAR: is a number of a regexp grouping whose text will be passed to CALLBACK. @@ -4285,7 +6678,7 @@ PAR: is a number of a regexp grouping whose text will be passed to CALLBACK. CALLBACK can also be a variable, in that case the value of that variable it the real callback function." :group 'gnus-article-buttons - :type '(repeat (list regexp + :type '(repeat (list (choice regexp variable sexp) (integer :tag "Button") (sexp :tag "Form") (function :tag "Callback") @@ -4294,16 +6687,22 @@ variable it the real callback function." (integer :tag "Regexp group"))))) (defcustom gnus-header-button-alist - `(("^\\(References\\|Message-I[Dd]\\):" "<[^>]+>" - 0 t gnus-button-message-id 0) - ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" 1 t gnus-button-reply 1) + '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>" + 0 (>= gnus-button-message-level 0) gnus-button-message-id 0) + ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$" + 1 (>= gnus-button-message-level 0) gnus-button-reply 1) ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"]+@[^ \t\n<>,()\"]+" - 0 t gnus-button-mailto 0) - ("^X-[Uu][Rr][Ll]:" ,gnus-button-url-regexp 0 t browse-url 0) - ("^Subject:" ,gnus-button-url-regexp 0 t browse-url 0) - ("^[^:]+:" ,gnus-button-url-regexp 0 t browse-url 0) - ("^[^:]+:" "\\(<\\(url: \\)?news:\\([^>\n ]*\\)>\\)" 1 t - gnus-button-message-id 3)) + 0 (>= gnus-button-message-level 0) gnus-msg-mail 0) + ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp + 0 (>= gnus-button-browse-level 0) browse-url 0) + ("^Subject:" gnus-button-url-regexp + 0 (>= gnus-button-browse-level 0) browse-url 0) + ("^[^:]+:" gnus-button-url-regexp + 0 (>= gnus-button-browse-level 0) browse-url 0) + ("^[^:]+:" "\\bmailto:\\([-a-z.@_+0-9%=?&/]+\\)" + 0 (>= gnus-button-message-level 0) gnus-url-mailto 1) + ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)" + 1 (>= gnus-button-message-level 0) gnus-button-message-id 4)) "*Alist of headers and regexps to match buttons in article heads. This alist is very similar to `gnus-button-alist', except that each @@ -4316,7 +6715,7 @@ HEADER is a regexp to match a header. For a fuller explanation, see :group 'gnus-article-buttons :group 'gnus-article-headers :type '(repeat (list (regexp :tag "Header") - regexp + (choice regexp variable) (integer :tag "Button") (sexp :tag "Form") (function :tag "Callback") @@ -4324,13 +6723,6 @@ HEADER is a regexp to match a header. For a fuller explanation, see :inline t (integer :tag "Regexp group"))))) -(defvar gnus-button-regexp nil) -(defvar gnus-button-marker-list nil) -;; Regexp matching any of the regexps from `gnus-button-alist'. - -(defvar gnus-button-last nil) -;; The value of `gnus-button-alist' when `gnus-button-regexp' was build. - ;;; Commands: (defun gnus-article-push-button (event) @@ -4340,7 +6732,7 @@ call it with the value of the `gnus-data' text property." (interactive "e") (set-buffer (window-buffer (posn-window (event-start event)))) (let* ((pos (posn-point (event-start event))) - (data (get-text-property pos 'gnus-data)) + (data (get-text-property pos 'gnus-data)) (fun (get-text-property pos 'gnus-callback))) (goto-char pos) (when fun @@ -4351,8 +6743,8 @@ call it with the value of the `gnus-data' text property." If the text at point has a `gnus-callback' property, call it with the value of the `gnus-data' text property." (interactive) - (let* ((data (get-text-property (point) 'gnus-data)) - (fun (get-text-property (point) 'gnus-callback))) + (let ((data (get-text-property (point) 'gnus-data)) + (fun (get-text-property (point) 'gnus-callback))) (when fun (funcall fun data)))) @@ -4386,7 +6778,7 @@ do the highlighting. See the documentation for those functions." (set-buffer gnus-article-buffer) (save-restriction (let ((alist gnus-header-face-alist) - (buffer-read-only nil) + (inhibit-read-only t) (case-fold-search t) (inhibit-point-motion-hooks t) entry regexp header-face field-face from hpoints fpoints) @@ -4421,11 +6813,11 @@ do the highlighting. See the documentation for those functions." (defun gnus-article-highlight-signature () "Highlight the signature in an article. It does this by highlighting everything after -`gnus-signature-separator' using `gnus-signature-face'." +`gnus-signature-separator' using the face `gnus-signature'." (interactive) (save-excursion (set-buffer gnus-article-buffer) - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (inhibit-point-motion-hooks t)) (save-restriction (when (and gnus-signature-face @@ -4450,7 +6842,7 @@ specified by `gnus-button-alist'." (interactive (list 'force)) (save-excursion (set-buffer gnus-article-buffer) - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (inhibit-point-motion-hooks t) (case-fold-search t) (alist gnus-button-alist) @@ -4471,7 +6863,7 @@ specified by `gnus-button-alist'." (article-goto-body) (setq beg (point)) (while (setq entry (pop alist)) - (setq regexp (car entry)) + (setq regexp (eval (car entry))) (goto-char beg) (while (re-search-forward regexp nil t) (let* ((start (and entry (match-beginning (nth 1 entry)))) @@ -4495,7 +6887,7 @@ specified by `gnus-button-alist'." (save-excursion (set-buffer gnus-article-buffer) (save-restriction - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (inhibit-point-motion-hooks t) (case-fold-search t) (alist gnus-header-button-alist) @@ -4513,7 +6905,7 @@ specified by `gnus-button-alist'." (match-beginning 0)) (point-max))) (goto-char beg) - (while (re-search-forward (nth 1 entry) end t) + (while (re-search-forward (eval (nth 1 entry)) end t) ;; Each match within a header. (let* ((entry (cdr entry)) (start (match-beginning (nth 1 entry))) @@ -4553,17 +6945,22 @@ specified by `gnus-button-alist'." (defun gnus-signature-toggle (end) (save-excursion (set-buffer gnus-article-buffer) - (let ((buffer-read-only nil) + (let ((inhibit-read-only t) (inhibit-point-motion-hooks t)) (if (text-property-any end (point-max) 'article-type 'signature) - (gnus-remove-text-properties-when - 'article-type 'signature end (point-max) - (cons 'article-type (cons 'signature - gnus-hidden-properties))) + (progn + (gnus-delete-wash-type 'signature) + (gnus-remove-text-properties-when + 'article-type 'signature end (point-max) + (cons 'article-type (cons 'signature + gnus-hidden-properties)))) + (gnus-add-wash-type 'signature) (gnus-add-text-properties-when 'article-type nil end (point-max) (cons 'article-type (cons 'signature - gnus-hidden-properties))))))) + gnus-hidden-properties))))) + (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist)) + (gnus-set-mode-line 'article)))) (defun gnus-button-entry () ;; Return the first entry in `gnus-button-alist' matching this place. @@ -4571,7 +6968,7 @@ specified by `gnus-button-alist'." (entry nil)) (while alist (setq entry (pop alist)) - (if (looking-at (car entry)) + (if (looking-at (eval (car entry))) (setq alist nil) (setq entry nil))) entry)) @@ -4599,6 +6996,102 @@ specified by `gnus-button-alist'." (gnus-message 1 "You must define `%S' to use this button" (cons fun args))))))) +(defun gnus-parse-news-url (url) + (let (scheme server port group message-id articles) + (with-temp-buffer + (insert url) + (goto-char (point-min)) + (when (looking-at "\\([A-Za-z]+\\):") + (setq scheme (match-string 1)) + (goto-char (match-end 0))) + (when (looking-at "//\\([^:/]+\\)\\(:?\\)\\([0-9]+\\)?/") + (setq server (match-string 1)) + (setq port (if (stringp (match-string 3)) + (string-to-number (match-string 3)) + (match-string 3))) + (goto-char (match-end 0))) + + (cond + ((looking-at "\\(.*@.*\\)") + (setq message-id (match-string 1))) + ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)") + (setq group (match-string 1) + articles (split-string (match-string 2) "-"))) + ((looking-at "\\([^/]+\\)/?") + (setq group (match-string 1))) + (t + (error "Unknown news URL syntax")))) + (list scheme server port group message-id articles))) + +(defun gnus-button-handle-news (url) + "Fetch a news URL." + (destructuring-bind (scheme server port group message-id articles) + (gnus-parse-news-url url) + (cond + (message-id + (save-excursion + (set-buffer gnus-summary-buffer) + (if server + (let ((gnus-refer-article-method + (nconc (list (list 'nntp server)) + gnus-refer-article-method)) + (nntp-port-number (or port "nntp"))) + (gnus-message 7 "Fetching %s with %s" + message-id gnus-refer-article-method) + (gnus-summary-refer-article message-id)) + (gnus-summary-refer-article message-id)))) + (group + (gnus-button-fetch-group url))))) + +(defun gnus-button-handle-man (url) + "Fetch a man page." + (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url) + (when (eq gnus-button-man-handler 'woman) + (setq url (gnus-replace-in-string url "([1-9][X1a-z]*).*\\'" ""))) + (gnus-message 9 "`%s' `%s'" gnus-button-man-handler url) + (funcall gnus-button-man-handler url)) + +(defun gnus-button-handle-info-url (url) + "Fetch an info URL." + (setq url (mm-subst-char-in-string ?+ ?\ url)) + (cond + ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url) + (gnus-info-find-node + (concat "(" (or (gnus-url-unhex-string (match-string 1 url)) + "Gnus") + ")" (gnus-url-unhex-string (match-string 2 url))))) + ((string-match "([^)\"]+)[^\"]+" url) + (setq url + (gnus-replace-in-string + (gnus-replace-in-string url "[\n\t ]+" " ") "\"" "")) + (gnus-info-find-node url)) + (t (error "Can't parse %s" url)))) + +(defun gnus-button-handle-info-url-gnome (url) + "Fetch GNOME style info URL." + (setq url (mm-subst-char-in-string ?_ ?\ url)) + (if (string-match "\\([^#]+\\)#?\\(.*\\)" url) + (gnus-info-find-node + (concat "(" + (gnus-url-unhex-string + (match-string 1 url)) + ")" + (or (gnus-url-unhex-string + (match-string 2 url)) + "Top"))) + (error "Can't parse %s" url))) + +(defun gnus-button-handle-info-url-kde (url) + "Fetch KDE style info URL." + (gnus-info-find-node (gnus-url-unhex-string url))) + +(defun gnus-button-handle-info-keystrokes (url) + "Call `info' when pushing the corresponding URL button." + ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'. + (info) + (Info-directory) + (Info-menu url)) + (defun gnus-button-message-id (message-id) "Fetch MESSAGE-ID." (save-excursion @@ -4610,8 +7103,10 @@ specified by `gnus-button-alist'." (if (not (string-match "[:/]" address)) ;; This is just a simple group url. (gnus-group-read-ephemeral-group address gnus-select-method) - (if (not (string-match "^\\([^:/]+\\)\\(:\\([^/]+\\)/\\)?\\(.*\\)$" - address)) + (if (not + (string-match + "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?" + address)) (error "Can't parse %s" address) (gnus-group-read-ephemeral-group (match-string 4 address) @@ -4619,89 +7114,56 @@ specified by `gnus-button-alist'." (nntp-address ,(match-string 1 address)) (nntp-port-number ,(if (match-end 3) (match-string 3 address) - "nntp"))))))) + "nntp"))) + nil nil nil + (and (match-end 6) (list (string-to-number (match-string 6 address)))))))) (defun gnus-url-parse-query-string (query &optional downcase) (let (retval pairs cur key val) (setq pairs (split-string query "&")) (while pairs (setq cur (car pairs) - pairs (cdr pairs)) + pairs (cdr pairs)) (if (not (string-match "=" cur)) - nil ; Grace - (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0))) - val (gnus-url-unhex-string (substring cur (match-end 0) nil))) - (if downcase - (setq key (downcase key))) - (setq cur (assoc key retval)) - (if cur - (setcdr cur (cons val (cdr cur))) - (setq retval (cons (list key val) retval))))) + nil ; Grace + (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0))) + val (gnus-url-unhex-string (substring cur (match-end 0) nil) t)) + (if downcase + (setq key (downcase key))) + (setq cur (assoc key retval)) + (if cur + (setcdr cur (cons val (cdr cur))) + (setq retval (cons (list key val) retval))))) retval)) -(defun gnus-url-unhex (x) - (if (> x ?9) - (if (>= x ?a) - (+ 10 (- x ?a)) - (+ 10 (- x ?A))) - (- x ?0))) - -(defun gnus-url-unhex-string (str &optional allow-newlines) - "Remove %XXX embedded spaces, etc in a url. -If optional second argument ALLOW-NEWLINES is non-nil, then allow the -decoding of carriage returns and line feeds in the string, which is normally -forbidden in URL encoding." - (setq str (or str "")) - (let ((tmp "") - (case-fold-search t)) - (while (string-match "%[0-9a-f][0-9a-f]" str) - (let* ((start (match-beginning 0)) - (ch1 (gnus-url-unhex (elt str (+ start 1)))) - (code (+ (* 16 ch1) - (gnus-url-unhex (elt str (+ start 2)))))) - (setq tmp (concat - tmp (substring str 0 start) - (cond - (allow-newlines - (char-to-string code)) - ((or (= code ?\n) (= code ?\r)) - " ") - (t (char-to-string code)))) - str (substring str (match-end 0))))) - (setq tmp (concat tmp str)) - tmp)) - (defun gnus-url-mailto (url) ;; Send mail to someone (when (string-match "mailto:/*\\(.*\\)" url) (setq url (substring url (match-beginning 1) nil))) (let (to args subject func) - (if (string-match (regexp-quote "?") url) - (setq to (gnus-url-unhex-string (substring url 0 (match-beginning 0))) - args (gnus-url-parse-query-string - (substring url (match-end 0) nil) t)) - (setq to (gnus-url-unhex-string url))) - (setq args (cons (list "to" to) args) - subject (cdr-safe (assoc "subject" args))) - (message-mail) + (setq args (gnus-url-parse-query-string + (if (string-match "^\\?" url) + (substring url 1) + (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url) + (concat "to=" (match-string 1 url) "&" + (match-string 2 url)) + (concat "to=" url))) + t) + subject (cdr-safe (assoc "subject" args))) + (gnus-msg-mail) (while args (setq func (intern-soft (concat "message-goto-" (downcase (caar args))))) (if (fboundp func) - (funcall func) - (message-position-on-field (caar args))) - (insert (mapconcat 'identity (cdar args) ", ")) + (funcall func) + (message-position-on-field (caar args))) + (insert (gnus-replace-in-string + (mapconcat 'identity (reverse (cdar args)) ", ") + "\r\n" "\n" t)) (setq args (cdr args))) (if subject - (message-goto-body) + (message-goto-body) (message-goto-subject)))) -(defun gnus-button-mailto (address) - "Mail to ADDRESS." - (set-buffer (gnus-copy-article-buffer)) - (message-reply address)) - -(defalias 'gnus-button-reply 'message-reply) - (defun gnus-button-embedded-url (address) "Activate ADDRESS with `browse-url'." (browse-url (gnus-strip-whitespace address))) @@ -4711,56 +7173,78 @@ forbidden in URL encoding." (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n") (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n") -(defvar gnus-prev-page-map nil) -(unless gnus-prev-page-map - (setq gnus-prev-page-map (make-sparse-keymap)) - (define-key gnus-prev-page-map gnus-mouse-2 'gnus-button-prev-page) - (define-key gnus-prev-page-map "\r" 'gnus-button-prev-page)) +(defvar gnus-prev-page-map + (let ((map (make-sparse-keymap))) + (unless (>= emacs-major-version 21) + ;; XEmacs doesn't care. + (set-keymap-parent map gnus-article-mode-map)) + (define-key map gnus-mouse-2 'gnus-button-prev-page) + (define-key map "\r" 'gnus-button-prev-page) + map)) + +(defvar gnus-next-page-map + (let ((map (make-sparse-keymap))) + (unless (>= emacs-major-version 21) + ;; XEmacs doesn't care. + (set-keymap-parent map gnus-article-mode-map)) + (define-key map gnus-mouse-2 'gnus-button-next-page) + (define-key map "\r" 'gnus-button-next-page) + map)) (defun gnus-insert-prev-page-button () - (let ((buffer-read-only nil)) + (let ((b (point)) + (inhibit-read-only t)) (gnus-eval-format gnus-prev-page-line-format nil - `(gnus-prev t local-map ,gnus-prev-page-map - gnus-callback gnus-article-button-prev-page - article-type annotation)))) - -(defvar gnus-next-page-map nil) -(unless gnus-next-page-map - (setq gnus-next-page-map (make-keymap)) - (suppress-keymap gnus-prev-page-map) - (define-key gnus-next-page-map gnus-mouse-2 'gnus-button-next-page) - (define-key gnus-next-page-map "\r" 'gnus-button-next-page)) - -(defun gnus-button-next-page () + `(,@(gnus-local-map-property gnus-prev-page-map) + gnus-prev t + gnus-callback gnus-article-button-prev-page + article-type annotation)) + (widget-convert-button + 'link b (if (bolp) + ;; Exclude a newline. + (1- (point)) + (point)) + :action 'gnus-button-prev-page + :button-keymap gnus-prev-page-map))) + +(defun gnus-button-next-page (&optional args more-args) "Go to the next page." (interactive) (let ((win (selected-window))) - (select-window (get-buffer-window gnus-article-buffer t)) + (select-window (gnus-get-buffer-window gnus-article-buffer t)) (gnus-article-next-page) (select-window win))) -(defun gnus-button-prev-page () +(defun gnus-button-prev-page (&optional args more-args) "Go to the prev page." (interactive) (let ((win (selected-window))) - (select-window (get-buffer-window gnus-article-buffer t)) + (select-window (gnus-get-buffer-window gnus-article-buffer t)) (gnus-article-prev-page) (select-window win))) (defun gnus-insert-next-page-button () - (let ((buffer-read-only nil)) + (let ((b (point)) + (inhibit-read-only t)) (gnus-eval-format gnus-next-page-line-format nil - `(gnus-next - t local-map ,gnus-next-page-map - gnus-callback gnus-article-button-next-page - article-type annotation)))) + `(,@(gnus-local-map-property gnus-next-page-map) + gnus-next t + gnus-callback gnus-article-button-next-page + article-type annotation)) + (widget-convert-button + 'link b (if (bolp) + ;; Exclude a newline. + (1- (point)) + (point)) + :action 'gnus-button-next-page + :button-keymap gnus-next-page-map))) (defun gnus-article-button-next-page (arg) "Go to the next page." (interactive "P") (let ((win (selected-window))) - (select-window (get-buffer-window gnus-article-buffer t)) + (select-window (gnus-get-buffer-window gnus-article-buffer t)) (gnus-article-next-page) (select-window win))) @@ -4768,7 +7252,7 @@ forbidden in URL encoding." "Go to the prev page." (interactive "P") (let ((win (selected-window))) - (select-window (get-buffer-window gnus-article-buffer t)) + (select-window (gnus-get-buffer-window gnus-article-buffer t)) (gnus-article-prev-page) (select-window win))) @@ -4777,12 +7261,12 @@ forbidden in URL encoding." "List of methods used to decode headers. This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item -is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a -(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups +is FUNCTION, FUNCTION will be applied to all newsgroups. If item is a +\(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups whose names match REGEXP. For example: -((\"chinese\" . gnus-decode-encoded-word-region-by-guess) +\((\"chinese\" . gnus-decode-encoded-word-region-by-guess) mail-decode-encoded-word-region (\"chinese\" . rfc1843-decode-region)) ") @@ -4828,11 +7312,11 @@ For example: (highlightp (gnus-visual-p 'article-highlight 'highlight)) val elem) (gnus-run-hooks 'gnus-part-display-hook) - (while (setq elem (pop alist)) + (dolist (elem alist) (setq val (save-excursion - (if (gnus-buffer-live-p gnus-summary-buffer) - (set-buffer gnus-summary-buffer)) + (when (gnus-buffer-live-p gnus-summary-buffer) + (set-buffer gnus-summary-buffer)) (symbol-value (car elem)))) (when (and (or (consp val) treated-type) @@ -4854,6 +7338,8 @@ For example: (cond ((null val) nil) + (condition + (eq condition val)) ((and (listp val) (stringp (car val))) (apply 'gnus-or (mapcar `(lambda (s) @@ -4872,8 +7358,6 @@ For example: (equal (car val) type)) (t (error "%S is not a valid predicate" pred))))) - (condition - (eq condition val)) ((eq val t) t) ((eq val 'head) @@ -4885,10 +7369,256 @@ For example: (t (error "%S is not a valid value" val)))) +(defun gnus-article-encrypt-body (protocol &optional n) + "Encrypt the article body." + (interactive + (list + (or gnus-article-encrypt-protocol + (completing-read "Encrypt protocol: " + gnus-article-encrypt-protocol-alist + nil t)) + current-prefix-arg)) + (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist)))) + (unless func + (error "Can't find the encrypt protocol %s" protocol)) + (if (member gnus-newsgroup-name '("nndraft:delayed" + "nndraft:drafts" + "nndraft:queue")) + (error "Can't encrypt the article in group %s" + gnus-newsgroup-name)) + (gnus-summary-iterate n + (save-excursion + (set-buffer gnus-summary-buffer) + (let ((mail-parse-charset gnus-newsgroup-charset) + (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets) + (summary-buffer gnus-summary-buffer) + references point) + (gnus-set-global-variables) + (when (gnus-group-read-only-p) + (error "The current newsgroup does not support article encrypt")) + (gnus-summary-show-article t) + (setq references + (or (mail-header-references gnus-current-headers) "")) + (set-buffer gnus-article-buffer) + (let* ((inhibit-read-only t) + (headers + (mapcar (lambda (field) + (and (save-restriction + (message-narrow-to-head) + (goto-char (point-min)) + (search-forward field nil t)) + (prog2 + (message-narrow-to-field) + (buffer-string) + (delete-region (point-min) (point-max)) + (widen)))) + '("Content-Type:" "Content-Transfer-Encoding:" + "Content-Disposition:")))) + (message-narrow-to-head) + (message-remove-header "MIME-Version") + (goto-char (point-max)) + (setq point (point)) + (insert (apply 'concat headers)) + (widen) + (narrow-to-region point (point-max)) + (let ((message-options message-options)) + (message-options-set 'message-sender user-mail-address) + (message-options-set 'message-recipients user-mail-address) + (message-options-set 'message-sign-encrypt 'not) + (funcall func)) + (goto-char (point-min)) + (insert "MIME-Version: 1.0\n") + (widen) + (gnus-summary-edit-article-done + references nil summary-buffer t)) + (when gnus-keep-backlog + (gnus-backlog-remove-article + (car gnus-article-current) (cdr gnus-article-current))) + (save-excursion + (when (get-buffer gnus-original-article-buffer) + (set-buffer gnus-original-article-buffer) + (setq gnus-original-article nil))) + (when gnus-use-cache + (gnus-cache-update-article + (car gnus-article-current) (cdr gnus-article-current)))))))) + +(defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n" + "The following specs can be used: +%t The security MIME type +%i Additional info +%d Details +%D Details if button is pressed") + +(defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n" + "The following specs can be used: +%t The security MIME type +%i Additional info +%d Details +%D Details if button is pressed") + +(defvar gnus-mime-security-button-line-format-alist + '((?t gnus-tmp-type ?s) + (?i gnus-tmp-info ?s) + (?d gnus-tmp-details ?s) + (?D gnus-tmp-pressed-details ?s))) + +(defvar gnus-mime-security-button-map + (let ((map (make-sparse-keymap))) + (unless (>= (string-to-number emacs-version) 21) + (set-keymap-parent map gnus-article-mode-map)) + (define-key map gnus-mouse-2 'gnus-article-push-button) + (define-key map "\r" 'gnus-article-press-button) + map)) + +(defvar gnus-mime-security-details-buffer nil) + +(defvar gnus-mime-security-button-pressed nil) + +(defvar gnus-mime-security-show-details-inline t + "If non-nil, show details in the article buffer.") + +(defun gnus-mime-security-verify-or-decrypt (handle) + (mm-remove-parts (cdr handle)) + (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region)) + point (inhibit-read-only t)) + (if region + (goto-char (car region))) + (save-restriction + (narrow-to-region (point) (point)) + (with-current-buffer (mm-handle-multipart-original-buffer handle) + (let* ((mm-verify-option 'known) + (mm-decrypt-option 'known) + (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle))) + (unless (eq nparts (cdr handle)) + (mm-destroy-parts (cdr handle)) + (setcdr handle nparts)))) + (setq point (point)) + (gnus-mime-display-security handle) + (goto-char (point-max))) + (when region + (delete-region (point) (cdr region)) + (set-marker (car region) nil) + (set-marker (cdr region) nil)) + (goto-char point))) + +(defun gnus-mime-security-show-details (handle) + (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details))) + (if (not details) + (gnus-message 5 "No details.") + (if gnus-mime-security-show-details-inline + (let ((gnus-mime-security-button-pressed + (not (get-text-property (point) 'gnus-mime-details))) + (gnus-mime-security-button-line-format + (get-text-property (point) 'gnus-line-format)) + (inhibit-read-only t)) + (forward-char -1) + (while (eq (get-text-property (point) 'gnus-line-format) + gnus-mime-security-button-line-format) + (forward-char -1)) + (forward-char) + (save-restriction + (narrow-to-region (point) (point)) + (gnus-insert-mime-security-button handle)) + (delete-region (point) + (or (text-property-not-all + (point) (point-max) + 'gnus-line-format + gnus-mime-security-button-line-format) + (point-max)))) + ;; Not inlined. + (if (gnus-buffer-live-p gnus-mime-security-details-buffer) + (with-current-buffer gnus-mime-security-details-buffer + (erase-buffer) + t) + (setq gnus-mime-security-details-buffer + (gnus-get-buffer-create "*MIME Security Details*"))) + (with-current-buffer gnus-mime-security-details-buffer + (insert details) + (goto-char (point-min))) + (pop-to-buffer gnus-mime-security-details-buffer))))) + +(defun gnus-mime-security-press-button (handle) + (save-excursion + (if (mm-handle-multipart-ctl-parameter handle 'gnus-info) + (gnus-mime-security-show-details handle) + (gnus-mime-security-verify-or-decrypt handle)))) + +(defun gnus-insert-mime-security-button (handle &optional displayed) + (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol)) + (gnus-tmp-type + (concat + (or (nth 2 (assoc protocol mm-verify-function-alist)) + (nth 2 (assoc protocol mm-decrypt-function-alist)) + "Unknown") + (if (equal (car handle) "multipart/signed") + " Signed" " Encrypted") + " Part")) + (gnus-tmp-info + (or (mm-handle-multipart-ctl-parameter handle 'gnus-info) + "Undecided")) + (gnus-tmp-details + (mm-handle-multipart-ctl-parameter handle 'gnus-details)) + gnus-tmp-pressed-details + b e) + (setq gnus-tmp-details + (if gnus-tmp-details + (concat "\n" gnus-tmp-details) + "")) + (setq gnus-tmp-pressed-details + (if gnus-mime-security-button-pressed gnus-tmp-details "")) + (unless (bolp) + (insert "\n")) + (setq b (point)) + (gnus-eval-format + gnus-mime-security-button-line-format + gnus-mime-security-button-line-format-alist + `(,@(gnus-local-map-property gnus-mime-security-button-map) + gnus-callback gnus-mime-security-press-button + gnus-line-format ,gnus-mime-security-button-line-format + gnus-mime-details ,gnus-mime-security-button-pressed + article-type annotation + gnus-data ,handle)) + (setq e (if (bolp) + ;; Exclude a newline. + (1- (point)) + (point))) + (widget-convert-button + 'link b e + :mime-handle handle + :action 'gnus-widget-press-button + :button-keymap gnus-mime-security-button-map + :help-echo + (lambda (widget/window &optional overlay pos) + ;; Needed to properly clear the message due to a bug in + ;; wid-edit (XEmacs only). + (when (boundp 'help-echo-owns-message) + (setq help-echo-owns-message t)) + (format + "%S: show detail" + (aref gnus-mouse-2 0)))))) + +(defun gnus-mime-display-security (handle) + (save-restriction + (narrow-to-region (point) (point)) + (unless (gnus-unbuttonized-mime-type-p (car handle)) + (gnus-insert-mime-security-button handle)) + (gnus-mime-display-mixed (cdr handle)) + (unless (bolp) + (insert "\n")) + (unless (gnus-unbuttonized-mime-type-p (car handle)) + (let ((gnus-mime-security-button-line-format + gnus-mime-security-button-end-line-format)) + (gnus-insert-mime-security-button handle))) + (mm-set-handle-multipart-parameter + handle 'gnus-region + (cons (set-marker (make-marker) (point-min)) + (set-marker (make-marker) (point-max)))))) + (gnus-ems-redefine) (provide 'gnus-art) (run-hooks 'gnus-art-load-hook) +;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33 ;;; gnus-art.el ends here