-;;; nnspool.el --- spool access using NNTP for GNU Emacs
+;;; nnspool.el --- spool access for GNU Emacs
+;; Copyright (C) 1988,89,90,93,94,95,96 Free Software Foundation, Inc.
-;; Copyright (C) 1988, 1989 Fujitsu Laboratories LTD.
-;; Copyright (C) 1988, 1989, 1990 Masanobu UMEDA
-;; $Header: nnspool.el,v 1.10 90/03/23 13:25:25 umerin Locked $
+;; Author: Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
+;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
+;; Keywords: news
;; This file is part of GNU Emacs.
+;; GNU Emacs is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
+
;; GNU Emacs is distributed in the hope that it will be useful,
-;; but WITHOUT ANY WARRANTY. No author or distributor
-;; accepts responsibility to anyone for the consequences of using it
-;; or for whether it serves any particular purpose or works at all,
-;; unless he says so in writing. Refer to the GNU Emacs General Public
-;; License for full details.
-
-;; Everyone is granted permission to copy, modify and redistribute
-;; GNU Emacs, but only under the conditions described in the
-;; GNU Emacs General Public License. A copy of this license is
-;; supposed to have been given to you along with GNU Emacs so you
-;; can know your rights and responsibilities. It should be in a
-;; file named COPYING. Among other things, the copyright notice
-;; and this notice must be preserved on all copies.
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
+
+;; 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.
+
+;;; Commentary:
+;;; Code:
+
+(require 'nnheader)
(require 'nntp)
+(require 'timezone)
+(require 'nnoo)
+(eval-when-compile (require 'cl))
+
+(nnoo-declare nnspool)
+
+(defvoo nnspool-inews-program news-inews-program
+ "Program to post news.
+This is most commonly `inews' or `injnews'.")
+
+(defvoo nnspool-inews-switches '("-h" "-S")
+ "Switches for nnspool-request-post to pass to `inews' for posting news.
+If you are using Cnews, you probably should set this variable to nil.")
+
+(defvoo nnspool-spool-directory (file-name-as-directory news-path)
+ "Local news spool directory.")
+
+(defvoo nnspool-nov-directory (concat nnspool-spool-directory "over.view/")
+ "Local news nov directory.")
+
+(defvoo nnspool-lib-dir "/usr/lib/news/"
+ "Where the local news library files are stored.")
-(defvar nnspool-inews-program news-inews-program
- "*Program to post news.")
+(defvoo nnspool-active-file (concat nnspool-lib-dir "active")
+ "Local news active file.")
-(defvar nnspool-inews-switches '("-h")
- "*Switches for nnspool-request-post to pass to `inews' for posting news.")
+(defvoo nnspool-newsgroups-file (concat nnspool-lib-dir "newsgroups")
+ "Local news newsgroups file.")
-(defvar nnspool-spool-directory news-path
- "*Local news spool directory.")
+(defvoo nnspool-distributions-file (concat nnspool-lib-dir "distribs.pat")
+ "Local news distributions file.")
-(defvar nnspool-active-file "/usr/lib/news/active"
- "*Local news active file.")
+(defvoo nnspool-history-file (concat nnspool-lib-dir "history")
+ "Local news history file.")
-(defvar nnspool-history-file "/usr/lib/news/history"
- "*Local news history file.")
+(defvoo nnspool-active-times-file (concat nnspool-lib-dir "active.times")
+ "Local news active date file.")
+
+(defvoo nnspool-large-newsgroup 50
+ "The number of the articles which indicates a large newsgroup.
+If the number of the articles is greater than the value, verbose
+messages will be shown to indicate the current status.")
+
+(defvoo nnspool-nov-is-evil nil
+ "Non-nil means that nnspool will never return NOV lines instead of headers.")
+
+(defconst nnspool-sift-nov-with-sed nil
+ "If non-nil, use sed to get the relevant portion from the overview file.
+If nil, nnspool will load the entire file into a buffer and process it
+there.")
+
+(defvoo nnspool-rejected-article-hook nil
+ "*A hook that will be run when an article has been rejected by the server.")
\f
-(defconst nnspool-version "NNSPOOL 1.10"
+(defconst nnspool-version "nnspool 2.0"
"Version numbers of this version of NNSPOOL.")
-(defvar nnspool-current-directory nil
+(defvoo nnspool-current-directory nil
"Current news group directory.")
-;;;
-;;; Replacement of Extended Command for retrieving many headers.
-;;;
-
-(defun nnspool-retrieve-headers (sequence)
- "Return list of article headers specified by SEQUENCE of article id.
-The format of list is
- `([NUMBER SUBJECT FROM XREF LINES DATE MESSAGE-ID REFERENCES] ...)'.
-Reader macros for the vector are defined as `nntp-header-FIELD'.
-Writer macros for the vector are defined as `nntp-set-header-FIELD'.
-News group must be selected before calling me."
- (save-excursion
- (set-buffer nntp-server-buffer)
- ;;(erase-buffer)
- (let ((file nil)
- (number (length sequence))
- (count 0)
- (headers nil) ;Result list.
- (article 0)
- (subject nil)
- (message-id nil)
- (from nil)
- (xref nil)
- (lines 0)
- (date nil)
- (references nil))
- (while sequence
- ;;(nntp-send-strings-to-server "HEAD" (car sequence))
- (setq article (car sequence))
- (setq file
- (concat nnspool-current-directory (prin1-to-string article)))
- (if (and (file-exists-p file)
- (not (file-directory-p file)))
- (progn
- (erase-buffer)
- (insert-file-contents file)
- ;; Make message body invisible.
- (goto-char (point-min))
- (search-forward "\n\n" nil 'move)
- (narrow-to-region (point-min) (point))
- ;; Fold continuation lines.
- (goto-char (point-min))
- (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
- (replace-match " " t t))
- ;; Make it possible to search for `\nFIELD'.
- (goto-char (point-min))
- (insert "\n")
- ;; Extract From:
- (goto-char (point-min))
- (if (search-forward "\nFrom: " nil t)
- (setq from (buffer-substring
- (point)
- (save-excursion (end-of-line) (point))))
- (setq from "(Unknown User)"))
- ;; Extract Subject:
- (goto-char (point-min))
- (if (search-forward "\nSubject: " nil t)
- (setq subject (buffer-substring
- (point)
- (save-excursion (end-of-line) (point))))
- (setq subject "(None)"))
- ;; Extract Message-ID:
- (goto-char (point-min))
- (if (search-forward "\nMessage-ID: " nil t)
- (setq message-id (buffer-substring
- (point)
- (save-excursion (end-of-line) (point))))
- (setq message-id nil))
- ;; Extract Date:
- (goto-char (point-min))
- (if (search-forward "\nDate: " nil t)
- (setq date (buffer-substring
- (point)
- (save-excursion (end-of-line) (point))))
- (setq date nil))
- ;; Extract Lines:
- (goto-char (point-min))
- (if (search-forward "\nLines: " nil t)
- (setq lines (string-to-int
- (buffer-substring
- (point)
- (save-excursion (end-of-line) (point)))))
- (setq lines 0))
- ;; Extract Xref:
- (goto-char (point-min))
- (if (search-forward "\nXref: " nil t)
- (setq xref (buffer-substring
- (point)
- (save-excursion (end-of-line) (point))))
- (setq xref nil))
- ;; Extract References:
- (goto-char (point-min))
- (if (search-forward "\nReferences: " nil t)
- (setq references (buffer-substring
- (point)
- (save-excursion (end-of-line) (point))))
- (setq references nil))
- (setq headers
- (cons (vector article subject from
- xref lines date
- message-id references) headers))
- ))
- (setq sequence (cdr sequence))
- (setq count (1+ count))
- (and (numberp nntp-large-newsgroup)
- (> number nntp-large-newsgroup)
- (zerop (% count 20))
- (message "NNSPOOL: %d%% of headers received."
- (/ (* count 100) number)))
- )
- (and (numberp nntp-large-newsgroup)
- (> number nntp-large-newsgroup)
- (message "NNSPOOL: 100%% of headers received."))
- (nreverse headers)
- )))
+(defvoo nnspool-current-group nil)
+(defvoo nnspool-status-string "")
\f
-;;;
-;;; Replacement of NNTP Raw Interface.
-;;;
-
-(defun nnspool-open-server (host &optional service)
- "Open news server on HOST.
-If HOST is nil, use value of environment variable `NNTPSERVER'.
-If optional argument SERVICE is non-nil, open by the service name."
- (let ((host (or host (getenv "NNTPSERVER")))
- (status nil))
- (setq nntp-status-message-string "")
- (cond ((and (file-directory-p nnspool-spool-directory)
- (file-exists-p nnspool-active-file)
- (string-equal host (system-name)))
- (setq status (nnspool-open-server-internal host service)))
- ((string-equal host (system-name))
- (setq nntp-status-message-string
- (format "%s has no news spool. Goodbye." host)))
- ((null host)
- (setq nntp-status-message-string "NNTP server is not specified."))
- (t
- (setq nntp-status-message-string
- (format "NNSPOOL: cannot talk to %s." host)))
- )
- status
- ))
-
-(defun nnspool-close-server ()
- "Close news server."
- (nnspool-close-server-internal))
-
-(fset 'nnspool-request-quit (symbol-function 'nnspool-close-server))
-
-(defun nnspool-server-opened ()
- "Return server process status, T or NIL.
-If the stream is opened, return T, otherwise return NIL."
- (and nntp-server-buffer
- (get-buffer nntp-server-buffer)))
-
-(defun nnspool-status-message ()
- "Return server status response as string."
- nntp-status-message-string
- )
-
-(defun nnspool-request-article (id)
- "Select article by message ID (or number)."
- (let ((file (if (stringp id)
- (nnspool-find-article-by-message-id id)
- (concat nnspool-current-directory (prin1-to-string id)))))
- (if (and (stringp file)
- (file-exists-p file)
- (not (file-directory-p file)))
- (save-excursion
- (nnspool-find-file file)))
- ))
+;;; Interface functions.
+
+(nnoo-define-basics nnspool)
-(defun nnspool-request-body (id)
+(deffoo nnspool-retrieve-headers (articles &optional group server fetch-old)
+ "Retrieve the headers of ARTICLES."
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (erase-buffer)
+ (when (nnspool-possibly-change-directory group)
+ (let* ((number (length articles))
+ (count 0)
+ (default-directory nnspool-current-directory)
+ (do-message (and (numberp nnspool-large-newsgroup)
+ (> number nnspool-large-newsgroup)))
+ file beg article ag)
+ (if (and (numberp (car articles))
+ (nnspool-retrieve-headers-with-nov articles fetch-old))
+ ;; We successfully retrieved the NOV headers.
+ 'nov
+ ;; No NOV headers here, so we do it the hard way.
+ (while (setq article (pop articles))
+ (if (stringp article)
+ ;; This is a Message-ID.
+ (setq ag (nnspool-find-id article)
+ file (and ag (nnspool-article-pathname
+ (car ag) (cdr ag)))
+ article (cdr ag))
+ ;; This is an article in the current group.
+ (setq file (int-to-string article)))
+ ;; Insert the head of the article.
+ (when (and file
+ (file-exists-p file))
+ (insert "221 ")
+ (princ article (current-buffer))
+ (insert " Article retrieved.\n")
+ (setq beg (point))
+ (inline (nnheader-insert-head file))
+ (goto-char beg)
+ (search-forward "\n\n" nil t)
+ (forward-char -1)
+ (insert ".\n")
+ (delete-region (point) (point-max)))
+
+ (and do-message
+ (zerop (% (incf count) 20))
+ (message "nnspool: Receiving headers... %d%%"
+ (/ (* count 100) number))))
+
+ (and do-message
+ (message "nnspool: Receiving headers...done"))
+
+ ;; Fold continuation lines.
+ (nnheader-fold-continuation-lines)
+ 'headers)))))
+
+(deffoo nnspool-open-server (server &optional defs)
+ (nnoo-change-server 'nnspool server defs)
+ (cond
+ ((not (file-exists-p nnspool-spool-directory))
+ (nnspool-close-server)
+ (nnheader-report 'nnspool "Spool directory doesn't exist: %s"
+ nnspool-spool-directory))
+ ((not (file-directory-p
+ (directory-file-name
+ (file-truename nnspool-spool-directory))))
+ (nnspool-close-server)
+ (nnheader-report 'nnspool "Not a directory: %s" nnspool-spool-directory))
+ ((not (file-exists-p nnspool-active-file))
+ (nnheader-report 'nnspool "The active file doesn't exist: %s"
+ nnspool-active-file))
+ (t
+ (nnheader-report 'nnspool "Opened server %s using directory %s"
+ server nnspool-spool-directory)
+ t)))
+
+(deffoo nnspool-request-article (id &optional group server buffer)
+ "Select article by message ID (or number)."
+ (nnspool-possibly-change-directory group)
+ (let ((nntp-server-buffer (or buffer nntp-server-buffer))
+ file ag)
+ (if (stringp id)
+ ;; This is a Message-ID.
+ (when (setq ag (nnspool-find-id id))
+ (setq file (nnspool-article-pathname (car ag) (cdr ag))))
+ (setq file (nnspool-article-pathname nnspool-current-group id)))
+ (and file
+ (file-exists-p file)
+ (not (file-directory-p file))
+ (save-excursion (nnspool-find-file file))
+ ;; We return the article number and group name.
+ (if (numberp id)
+ (cons nnspool-current-group id)
+ ag))))
+
+(deffoo nnspool-request-body (id &optional group server)
"Select article body by message ID (or number)."
- (if (nnspool-request-article id)
+ (nnspool-possibly-change-directory group)
+ (let ((res (nnspool-request-article id)))
+ (when res
(save-excursion
(set-buffer nntp-server-buffer)
(goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (delete-region (point-min) (point)))
- t
- )
- ))
+ (when (search-forward "\n\n" nil t)
+ (delete-region (point-min) (point)))
+ res))))
-(defun nnspool-request-head (id)
+(deffoo nnspool-request-head (id &optional group server)
"Select article head by message ID (or number)."
- (if (nnspool-request-article id)
+ (nnspool-possibly-change-directory group)
+ (let ((res (nnspool-request-article id)))
+ (when res
(save-excursion
(set-buffer nntp-server-buffer)
(goto-char (point-min))
- (if (search-forward "\n\n" nil t)
- (delete-region (1- (point)) (point-max)))
- t
- )
- ))
-
-(defun nnspool-request-stat (id)
- "Select article by message ID (or number)."
- (error "NNSPOOL: STAT is not implemented."))
+ (when (search-forward "\n\n" nil t)
+ (delete-region (1- (point)) (point-max)))
+ (nnheader-fold-continuation-lines)))
+ res))
-(defun nnspool-request-group (group)
+(deffoo nnspool-request-group (group &optional server dont-check)
"Select news GROUP."
- (let ((pathname (nnspool-article-pathname
- (nnspool-replace-chars-in-string group ?. ?/))))
- (if (file-directory-p pathname)
- (setq nnspool-current-directory pathname))
- ))
-
-(defun nnspool-request-list ()
- "List valid newsgoups."
+ (let ((pathname (nnspool-article-pathname group))
+ dir)
+ (if (not (file-directory-p pathname))
+ (nnheader-report
+ 'nnspool "Invalid group name (no such directory): %s" group)
+ (setq nnspool-current-directory pathname)
+ (nnheader-report 'nnspool "Selected group %s" group)
+ (if dont-check
+ (progn
+ (nnheader-report 'nnspool "Selected group %s" group)
+ t)
+ ;; Yes, completely empty spool directories *are* possible.
+ ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
+ (when (setq dir (directory-files pathname nil "^[0-9]+$" t))
+ (setq dir
+ (sort (mapcar (lambda (name) (string-to-int name)) dir) '<)))
+ (if dir
+ (nnheader-insert
+ "211 %d %d %d %s\n" (length dir) (car dir)
+ (progn (while (cdr dir) (setq dir (cdr dir))) (car dir))
+ group)
+ (nnheader-report 'nnspool "Empty group %s" group)
+ (nnheader-insert "211 0 0 0 %s\n" group))))))
+
+(deffoo nnspool-request-type (group &optional article)
+ 'news)
+
+(deffoo nnspool-close-group (group &optional server)
+ t)
+
+(deffoo nnspool-request-list (&optional server)
+ "List active newsgroups."
(save-excursion
- (nnspool-find-file nnspool-active-file)))
-
-(defun nnspool-request-last ()
- "Set current article pointer to the previous article in the current news group."
- (error "NNSPOOL: LAST is not implemented."))
+ (or (nnspool-find-file nnspool-active-file)
+ (nnheader-report 'nnspool (nnheader-file-error nnspool-active-file)))))
-(defun nnspool-request-next ()
- "Advance current article pointer."
- (error "NNSPOOL: NEXT is not implemented."))
+(deffoo nnspool-request-list-newsgroups (&optional server)
+ "List newsgroups (defined in NNTP2)."
+ (save-excursion
+ (or (nnspool-find-file nnspool-newsgroups-file)
+ (nnheader-report 'nnspool (nnheader-file-error
+ nnspool-newsgroups-file)))))
-(defun nnspool-request-post ()
+(deffoo nnspool-request-list-distributions (&optional server)
+ "List distributions (defined in NNTP2)."
+ (save-excursion
+ (or (nnspool-find-file nnspool-distributions-file)
+ (nnheader-report 'nnspool (nnheader-file-error
+ nnspool-distributions-file)))))
+
+;; Suggested by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
+(deffoo nnspool-request-newgroups (date &optional server)
+ "List groups created after DATE."
+ (if (nnspool-find-file nnspool-active-times-file)
+ (save-excursion
+ ;; Find the last valid line.
+ (goto-char (point-max))
+ (while (and (not (looking-at
+ "\\([^ ]+\\) +\\([0-9]+\\)[0-9][0-9][0-9] "))
+ (zerop (forward-line -1))))
+ (let ((seconds (nnspool-seconds-since-epoch date))
+ groups)
+ ;; Go through lines and add the latest groups to a list.
+ (while (and (looking-at "\\([^ ]+\\) +[0-9]+ ")
+ (progn
+ ;; We insert a .0 to make the list reader
+ ;; interpret the number as a float. It is far
+ ;; too big to be stored in a lisp integer.
+ (goto-char (1- (match-end 0)))
+ (insert ".0")
+ (> (progn
+ (goto-char (match-end 1))
+ (read (current-buffer)))
+ seconds))
+ (setq groups (cons (buffer-substring
+ (match-beginning 1) (match-end 1))
+ groups))
+ (zerop (forward-line -1))))
+ (erase-buffer)
+ (while groups
+ (insert (car groups) " 0 0 y\n")
+ (setq groups (cdr groups))))
+ t)
+ nil))
+
+(deffoo nnspool-request-post (&optional server)
"Post a new news in current buffer."
(save-excursion
- ;; We have to work in the server buffer because of NEmacs hack.
- (copy-to-buffer nntp-server-buffer (point-min) (point-max))
- (set-buffer nntp-server-buffer)
- (apply 'call-process-region
- (point-min) (point-max)
- nnspool-inews-program 'delete t nil nnspool-inews-switches)
- (prog1
- (or (zerop (buffer-size))
- ;; If inews returns strings, it must be error message
- ;; unless SPOOLNEWS is defined.
- ;; This condition is very weak, but there is no good rule
- ;; identifying errors when SPOOLNEWS is defined.
- ;; Suggested by ohm@kaba.junet.
- (string-match "spooled" (buffer-string)))
- ;; Make status message by unfolding lines.
- (subst-char-in-region (point-min) (point-max) ?\n ?\\ 'noundo)
- (setq nntp-status-message-string (buffer-string))
- (erase-buffer))
- ))
+ (let* ((process-connection-type nil) ; t bugs out on Solaris
+ (inews-buffer (generate-new-buffer " *nnspool post*"))
+ (proc
+ (condition-case err
+ (apply 'start-process "*nnspool inews*" inews-buffer
+ nnspool-inews-program nnspool-inews-switches)
+ (error
+ (nnheader-report 'nnspool "inews error: %S" err)))))
+ (if (not proc)
+ ;; The inews program failed.
+ ()
+ (nnheader-report 'nnspool "")
+ (set-process-sentinel proc 'nnspool-inews-sentinel)
+ (process-send-region proc (point-min) (point-max))
+ ;; We slap a condition-case around this, because the process may
+ ;; have exited already...
+ (condition-case nil
+ (process-send-eof proc)
+ (error nil))
+ t))))
+
\f
-;;;
-;;; Replacement of Low-Level Interface to NNTP Server.
-;;;
+;;; Internal functions.
-(defun nnspool-open-server-internal (host &optional service)
- "Open connection to news server on HOST by SERVICE (default is nntp)."
+(defun nnspool-inews-sentinel (proc status)
(save-excursion
- (if (not (string-equal host (system-name)))
- (error "NNSPOOL: cannot talk to %s." host))
- ;; Initialize communication buffer.
- (setq nntp-server-buffer (get-buffer-create " *nntpd*"))
- (set-buffer nntp-server-buffer)
- (buffer-flush-undo (current-buffer))
- (erase-buffer)
- (kill-all-local-variables)
- (setq case-fold-search t) ;Should ignore case.
- (setq nntp-server-process nil)
- (setq nntp-server-name host)
- ;; It is possible to change kanji-fileio-code in this hook.
- (run-hooks 'nntp-server-hook)
- t
- ))
-
-(defun nnspool-close-server-internal ()
- "Close connection to news server."
- (if (get-file-buffer nnspool-history-file)
- (kill-buffer (get-file-buffer nnspool-history-file)))
- (if nntp-server-buffer
- (kill-buffer nntp-server-buffer))
- (setq nntp-server-buffer nil)
- (setq nntp-server-process nil))
-
-(defun nnspool-find-article-by-message-id (id)
- "Return full pathname of an article identified by message-ID."
+ (set-buffer (process-buffer proc))
+ (goto-char (point-min))
+ (if (or (zerop (buffer-size))
+ (search-forward "spooled" nil t))
+ (kill-buffer (current-buffer))
+ ;; Make status message by folding lines.
+ (while (re-search-forward "[ \t\n]+" nil t)
+ (replace-match " " t t))
+ (nnheader-report 'nnspool "%s" (buffer-string))
+ (message "nnspool: %s" nnspool-status-string)
+ (ding)
+ (run-hooks 'nnspool-rejected-article-hook))))
+
+(defun nnspool-retrieve-headers-with-nov (articles &optional fetch-old)
+ (if (or gnus-nov-is-evil nnspool-nov-is-evil)
+ nil
+ (let ((nov (nnheader-group-pathname
+ nnspool-current-group nnspool-nov-directory ".overview"))
+ (arts articles)
+ last)
+ (if (not (file-exists-p nov))
+ ()
+ (save-excursion
+ (set-buffer nntp-server-buffer)
+ (erase-buffer)
+ (if nnspool-sift-nov-with-sed
+ (nnspool-sift-nov-with-sed articles nov)
+ (insert-file-contents nov)
+ (if (and fetch-old
+ (not (numberp fetch-old)))
+ t ; We want all the headers.
+ (condition-case ()
+ (progn
+ ;; First we find the first wanted line.
+ (nnspool-find-nov-line
+ (if fetch-old (max 1 (- (car articles) fetch-old))
+ (car articles)))
+ (delete-region (point-min) (point))
+ ;; Then we find the last wanted line.
+ (if (nnspool-find-nov-line
+ (progn (while (cdr articles)
+ (setq articles (cdr articles)))
+ (car articles)))
+ (forward-line 1))
+ (delete-region (point) (point-max))
+ ;; If the buffer is empty, this wasn't very successful.
+ (unless (zerop (buffer-size))
+ ;; We check what the last article number was.
+ ;; The NOV file may be out of sync with the articles
+ ;; in the group.
+ (forward-line -1)
+ (setq last (read (current-buffer)))
+ (if (= last (car articles))
+ ;; Yup, it's all there.
+ t
+ ;; Perhaps not. We try to find the missing articles.
+ (while (and arts
+ (<= last (car arts)))
+ (pop arts))
+ ;; The articles in `arts' are missing from the buffer.
+ (while arts
+ (nnspool-insert-nov-head (pop arts)))
+ t)))
+ ;; The NOV file was corrupted.
+ (error nil)))))))))
+
+(defun nnspool-insert-nov-head (article)
+ "Read the head of ARTICLE, convert to NOV headers, and insert."
+ (save-excursion
+ (let ((cur (current-buffer))
+ buf)
+ (setq buf (nnheader-set-temp-buffer " *nnspool head*"))
+ (when (nnheader-insert-head
+ (nnspool-article-pathname nnspool-current-group article))
+ (nnheader-insert-article-line article)
+ (let ((headers (nnheader-parse-head)))
+ (set-buffer cur)
+ (goto-char (point-max))
+ (nnheader-insert-nov headers)))
+ (kill-buffer buf))))
+
+(defun nnspool-find-nov-line (article)
+ (let ((max (point-max))
+ (min (goto-char (point-min)))
+ (cur (current-buffer))
+ (prev (point-min))
+ num found)
+ (while (not found)
+ (goto-char (/ (+ max min) 2))
+ (beginning-of-line)
+ (if (or (= (point) prev)
+ (eobp))
+ (setq found t)
+ (setq prev (point))
+ (cond ((> (setq num (read cur)) article)
+ (setq max (point)))
+ ((< num article)
+ (setq min (point)))
+ (t
+ (setq found 'yes)))))
+ ;; Now we may have found the article we're looking for, or we
+ ;; may be somewhere near it.
+ (when (and (not (eq found 'yes))
+ (not (eq num article)))
+ (setq found (point))
+ (while (and (< (point) max)
+ (or (not (numberp num))
+ (< num article)))
+ (forward-line 1)
+ (setq found (point))
+ (or (eobp)
+ (= (setq num (read cur)) article)))
+ (unless (eq num article)
+ (goto-char found)))
+ (beginning-of-line)
+ (eq num article)))
+
+(defun nnspool-sift-nov-with-sed (articles file)
+ (let ((first (car articles))
+ (last (progn (while (cdr articles) (setq articles (cdr articles)))
+ (car articles))))
+ (call-process "awk" nil t nil
+ (format "BEGIN {firstmsg=%d; lastmsg=%d;}\n $1 >= firstmsg && $1 <= lastmsg {print;}"
+ (1- first) (1+ last))
+ file)))
+
+;; Fixed by fdc@cliwe.ping.de (Frank D. Cringle).
+;; Find out what group an article identified by a Message-ID is in.
+(defun nnspool-find-id (id)
(save-excursion
- (let ((buffer (get-file-buffer nnspool-history-file)))
- (if buffer
- (set-buffer buffer)
- ;; Finding history file may take lots of time.
- (message "Reading history file...")
- (set-buffer (find-file-noselect nnspool-history-file))
- (message "Reading history file... done")))
- ;; Search from end of the file. I think this is much faster than
- ;; do from the beginning of the file.
- (goto-char (point-max))
- (if (re-search-backward
- (concat "^" (regexp-quote id)
- "[ \t].*[ \t]\\([^ \t/]+\\)/\\([0-9]+\\)[ \t]*$") nil t)
- (let ((group (buffer-substring (match-beginning 1) (match-end 1)))
- (number (buffer-substring (match-beginning 2) (match-end 2))))
- (concat (nnspool-article-pathname
- (nnspool-replace-chars-in-string group ?. ?/))
- number))
- )))
+ (set-buffer (get-buffer-create " *nnspool work*"))
+ (buffer-disable-undo (current-buffer))
+ (erase-buffer)
+ (condition-case ()
+ (call-process "grep" nil t nil (regexp-quote id) nnspool-history-file)
+ (error nil))
+ (goto-char (point-min))
+ (prog1
+ (if (looking-at "<[^>]+>[ \t]+[-0-9~]+[ \t]+\\([^ /\t\n]+\\)/\\([0-9]+\\)[ \t\n]")
+ (cons (match-string 1) (string-to-int (match-string 2))))
+ (kill-buffer (current-buffer)))))
(defun nnspool-find-file (file)
"Insert FILE in server buffer safely."
(set-buffer nntp-server-buffer)
(erase-buffer)
(condition-case ()
- (progn (insert-file-contents file) t)
- (file-error nil)
- ))
-
-(defun nnspool-article-pathname (group)
- "Make pathname for GROUP."
- (concat (file-name-as-directory nnspool-spool-directory) group "/"))
-
-(defun nnspool-replace-chars-in-string (string from to)
- "Replace characters in STRING from FROM to TO."
- (let ((string (substring string 0)) ;Copy string.
- (len (length string))
- (idx 0))
- ;; Replace all occurence of FROM with TO.
- (while (< idx len)
- (if (= (aref string idx) from)
- (aset string idx to))
- (setq idx (1+ idx)))
- string
- ))
+ (progn (nnheader-insert-file-contents-literally file) t)
+ (file-error nil)))
+
+(defun nnspool-possibly-change-directory (group)
+ (if (not group)
+ t
+ (let ((pathname (nnspool-article-pathname group)))
+ (if (file-directory-p pathname)
+ (setq nnspool-current-directory pathname
+ nnspool-current-group group)
+ (nnheader-report 'nnspool "No such newsgroup: %s" group)))))
+
+(defun nnspool-article-pathname (group &optional article)
+ "Find the path for GROUP."
+ (nnheader-group-pathname group nnspool-spool-directory article))
+
+(defun nnspool-seconds-since-epoch (date)
+ (let* ((tdate (mapcar (lambda (ti) (and ti (string-to-int ti)))
+ (timezone-parse-date date)))
+ (ttime (mapcar (lambda (ti) (and ti (string-to-int ti)))
+ (timezone-parse-time
+ (aref (timezone-parse-date date) 3))))
+ (unix (encode-time (nth 2 ttime) (nth 1 ttime) (nth 0 ttime)
+ (nth 2 tdate) (nth 1 tdate) (nth 0 tdate)
+ (nth 4 tdate))))
+ (+ (* (car unix) 65536.0)
+ (cadr unix))))
(provide 'nnspool)