X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/17e4fb34cc87ff43e8dcf0692db23a734fa8f39b..0d30b33766e277a5bff6eabc9da5afdaebd8b32a:/lisp/dos-w32.el diff --git a/lisp/dos-w32.el b/lisp/dos-w32.el index 06650a0c68..697f6eb4d5 100644 --- a/lisp/dos-w32.el +++ b/lisp/dos-w32.el @@ -1,8 +1,8 @@ -;;; dos-w32.el --- Functions shared among MS-DOS and W32 (NT/95) platforms +;; dos-w32.el --- Functions shared among MS-DOS and W32 (NT/95) platforms -;; Copyright (C) 1996 Free Software Foundation, Inc. +;; Copyright (C) 1996, 2002, 2003, 2004, 2005 Free Software Foundation, Inc. -;; Maintainer: Geoff Voelker (voelker@cs.washington.edu) +;; Maintainer: Geoff Voelker ;; Keywords: internal ;; This file is part of GNU Emacs. @@ -19,8 +19,8 @@ ;; 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: @@ -32,32 +32,29 @@ ;; Use ";" instead of ":" as a path separator (from files.el). (setq path-separator ";") -;; Set the null device (for compile.el). -(setq grep-null-device "NUL") +(setq minibuffer-history-case-insensitive-variables + (cons 'file-name-history minibuffer-history-case-insensitive-variables)) -;; Set the grep regexp to match entries with drive letters. -(setq grep-regexp-alist - '(("^\\(\\([a-zA-Z]:\\)?[^:( \t\n]+\\)[:( \t]+\\([0-9]+\\)[:) \t]" 1 3))) +;; Set the null device (for compile.el). +(setq null-device "NUL") ;; For distinguishing file types based upon suffixes. (defvar file-name-buffer-file-type-alist '( ("[:/].*config.sys$" . nil) ; config.sys text - ("\\.elc$" . t) ; emacs stuff - ("\\.\\(obj\\|exe\\|com\\|lib\\|sym\\|sys\\|chk\\|out\\|bin\\|ico\\|pif\\|class\\)$" . t) + ("\\.\\(obj\\|exe\\|com\\|lib\\|sys\\|bin\\|ico\\|pif\\|class\\)$" . t) ; MS-Dos stuff - ("\\.\\(dll\\|drv\\|cpl\\|scr\\vbx\\|386\\|vxd\\|fon\\|fnt\\|fot\\|ttf\\|grp\\)$" . t) + ("\\.\\(dll\\|drv\\|386\\|vxd\\|fon\\|fnt\\|fot\\|ttf\\|grp\\)$" . t) ; Windows stuff - ("\\.\\(hlp\\|bmp\\|wav\\|avi\\|mpg\\|jpg\\|tif\\mov\\au\\)" . t) + ("\\.\\(bmp\\|wav\\|avi\\|mpg\\|jpg\\|tif\\|mov\\|au\\)$" . t) ; known binary data files ("\\.\\(arc\\|zip\\|pak\\|lzh\\|zoo\\)$" . t) ; Packers ("\\.\\(a\\|o\\|tar\\|z\\|gz\\|taz\\|jar\\)$" . t) ; Unix stuff - ("\\.tp[ulpw]$" . t) - ; Borland Pascal stuff - ("[:/]tags$" . t) - ; Emacs TAGS file + ("\\.sx[dmicw]$" . t) ; OpenOffice.org + ("\\.tp[ulpw]$" . t) ; borland Pascal stuff + ("[:/]tags$" . nil) ; emacs TAGS file ) "*Alist for distinguishing text files from binary files. Each element has the form (REGEXP . TYPE), where REGEXP is matched @@ -96,14 +93,14 @@ upon the filename, the contents of `untranslated-filesystem-list' and `file-name-buffer-file-type-alist', and whether the file exists: If it matches in `untranslated-filesystem-list': - If the file exists: `no-conversion' - If the file does not exist: `undecided' + If the file exists: `undecided' + If the file does not exist: `undecided-unix' If it matches in `file-name-buffer-file-type-alist': If the match is t (for binary): `no-conversion' If the match is nil (for dos-text): `undecided-dos' Otherwise: If the file exists: `undecided' - If the file does not exist: `undecided-dos' + If the file does not exist: default-buffer-file-coding-system If COMMAND is `write-region', the coding system is chosen based upon the value of `buffer-file-coding-system' and `buffer-file-type'. If @@ -126,7 +123,7 @@ set to the appropriate coding system, and the value of (target) (binary nil) (text nil) (undecided nil) (undecided-unix nil)) - (cond ((eq op 'insert-file-contents) + (cond ((eq op 'insert-file-contents) (setq target (nth 1 command)) ;; First check for a file name that indicates ;; it is truly binary. @@ -145,7 +142,8 @@ set to the appropriate coding system, and the value of (text '(undecided-dos . undecided-dos)) (undecided-unix '(undecided-unix . undecided-unix)) (undecided '(undecided . undecided)) - (t '(undecided-dos . undecided-dos)))) + (t (cons default-buffer-file-coding-system + default-buffer-file-coding-system)))) ((eq op 'write-region) (if buffer-file-coding-system (cons buffer-file-coding-system @@ -159,13 +157,13 @@ set to the appropriate coding system, and the value of (modify-coding-system-alist 'file "" 'find-buffer-file-type-coding-system) -(defun find-file-binary (filename) +(defun find-file-binary (filename) "Visit file FILENAME and treat it as binary." (interactive "FFind file binary: ") (let ((file-name-buffer-file-type-alist '(("" . t)))) (find-file filename))) -(defun find-file-text (filename) +(defun find-file-text (filename) "Visit file FILENAME and treat it as a text file." (interactive "FFind file text: ") (let ((file-name-buffer-file-type-alist '(("" . nil)))) @@ -174,44 +172,53 @@ set to the appropriate coding system, and the value of (defun find-file-not-found-set-buffer-file-coding-system () (save-excursion (set-buffer (current-buffer)) - (let* ((dummy-insert-op (list 'insert-file-contents (buffer-file-name))) - (coding-system-pair - (find-buffer-file-type-coding-system dummy-insert-op))) - (setq buffer-file-coding-system (car coding-system-pair)) + (let ((coding buffer-file-coding-system)) + ;; buffer-file-coding-system is already set by + ;; find-operation-coding-system, which was called from + ;; insert-file-contents. All that's left is to change + ;; the EOL conversion, if required by the user. + (when (and (null coding-system-for-read) + (or inhibit-eol-conversion + (untranslated-file-p (buffer-file-name)))) + (setq coding (coding-system-change-eol-conversion coding 0)) + (setq buffer-file-coding-system coding)) (setq buffer-file-type (eq buffer-file-coding-system 'no-conversion))))) ;;; To set the default coding system on new files. -(add-hook 'find-file-not-found-hooks +(add-hook 'find-file-not-found-hooks 'find-file-not-found-set-buffer-file-coding-system) ;;; To accomodate filesystems that do not require CR/LF translation. (defvar untranslated-filesystem-list nil - "List of filesystems that require no CR/LF translation when reading + "List of filesystems that require no CR/LF translation when reading and writing files. Each filesystem in the list is a string naming the directory prefix corresponding to the filesystem.") (defun untranslated-canonical-name (filename) "Return FILENAME in a canonicalized form for use with the functions dealing with untranslated filesystems." - (if (memq system-type '(ms-dos windows-nt)) + (if (memq system-type '(ms-dos windows-nt cygwin)) ;; The canonical form for DOS/W32 is with A-Z downcased and all ;; directory separators changed to directory-sep-char. (let ((name nil)) - (setq name (mapconcat - '(lambda (char) + (setq name (mapconcat + '(lambda (char) (if (and (<= ?A char) (<= char ?Z)) (char-to-string (+ (- char ?A) ?a)) (char-to-string char))) filename nil)) ;; Use expand-file-name to canonicalize directory separators, except ;; with bare drive letters (which would have the cwd appended). - (if (string-match "^.:$" name) + ;; Avoid expanding names that could trigger ange-ftp to prompt + ;; for passwords, though. + (if (or (string-match "^.:$" name) + (string-match "^/[^/:]+:" name)) name (expand-file-name name))) filename)) (defun untranslated-file-p (filename) - "Return t if FILENAME is on a filesystem that does not require + "Return t if FILENAME is on a filesystem that does not require CR/LF translation, and nil otherwise." (let ((fs (untranslated-canonical-name filename)) (ufs-list untranslated-filesystem-list) @@ -225,9 +232,12 @@ CR/LF translation, and nil otherwise." (defun add-untranslated-filesystem (filesystem) "Add FILESYSTEM to the list of filesystems that do not require CR/LF translation. FILESYSTEM is a string containing the directory -prefix corresponding to the filesystem. For example, for a Unix +prefix corresponding to the filesystem. For example, for a Unix filesystem mounted on drive Z:, FILESYSTEM could be \"Z:\"." - (interactive "fUntranslated file system: ") + ;; We use "D", not "f", to avoid confusing the user: "f" prompts + ;; with a directory, but RET returns the current buffer's file, not + ;; its directory. + (interactive "DUntranslated file system: ") (let ((fs (untranslated-canonical-name filesystem))) (if (member fs untranslated-filesystem-list) untranslated-filesystem-list @@ -235,34 +245,186 @@ filesystem mounted on drive Z:, FILESYSTEM could be \"Z:\"." (cons fs untranslated-filesystem-list))))) (defun remove-untranslated-filesystem (filesystem) - "Remove FILESYSTEM from the list of filesystems that do not require + "Remove FILESYSTEM from the list of filesystems that do not require CR/LF translation. FILESYSTEM is a string containing the directory -prefix corresponding to the filesystem. For example, for a Unix +prefix corresponding to the filesystem. For example, for a Unix filesystem mounted on drive Z:, FILESYSTEM could be \"Z:\"." (interactive "fUntranslated file system: ") - (setq untranslated-filesystem-list + (setq untranslated-filesystem-list (delete (untranslated-canonical-name filesystem) untranslated-filesystem-list))) -;; Process I/O decoding and encoding. - -(defun find-binary-process-coding-system (command) - "Choose a coding system for process I/O. -The coding system for decode is 'no-conversion' if 'binary-process-output' -is non-nil, and 'undecided-dos' otherwise. Similarly, the coding system -for encode is 'no-conversion' if 'binary-process-input' is non-nil, -and 'undecided-dos' otherwise." - (let ((decode 'undecided-dos) - (encode 'undecided-dos)) - (if binary-process-output - (setq decode 'no-conversion)) - (if binary-process-input - (setq encode 'no-conversion)) - (cons decode encode))) - -(modify-coding-system-alist 'process "" 'find-binary-process-coding-system) - +;;; Support for printing under DOS/Windows, see lpr.el and ps-print.el. + +(defvar direct-print-region-use-command-dot-com t + "*Control whether command.com is used to print on Windows 9x.") + +;; Function to actually send data to the printer port. +;; Supports writing directly, and using various programs. +(defun direct-print-region-helper (printer + start end + lpr-prog + delete-text buf display + rest) + (let* (;; Ignore case when matching known external program names. + (case-fold-search t) + ;; Convert / to \ in printer name, for sake of external programs. + (printer + (if (stringp printer) + (subst-char-in-string ?/ ?\\ printer) + printer)) + ;; Find a directory that is local, to work-around Windows bug. + (safe-dir + (let ((safe-dirs (list "c:/" (getenv "windir") (getenv "TMPDIR")))) + (while (not (file-attributes (car safe-dirs))) + (setq safe-dirs (cdr safe-dirs))) + (car safe-dirs))) + (tempfile + (subst-char-in-string + ?/ ?\\ + (make-temp-name + (expand-file-name "EP" temporary-file-directory)))) + ;; capture output for diagnosis + (errbuf (list (get-buffer-create " *print-region-helper*") t))) + ;; It seems that we must be careful about the directory name that + ;; gets added to the printer port name by write-region when using + ;; the standard "PRN" or "LPTx" ports, because the write can fail if + ;; the directory is on a network drive. The same is true when + ;; asking command.com to copy the file. + ;; No action is needed for UNC printer names, which is just as well + ;; because `expand-file-name' doesn't support UNC names on MS-DOS. + (if (and (stringp printer) (not (string-match "^\\\\" printer))) + (setq printer + (subst-char-in-string ?/ ?\\ (expand-file-name printer safe-dir)))) + ;; Handle known programs specially where necessary. + (unwind-protect + (cond + ;; nprint.exe is the standard print command on Netware + ((string-match "^nprint\\(\\.exe\\)?$" (file-name-nondirectory lpr-prog)) + (write-region start end tempfile nil 0) + (call-process lpr-prog nil errbuf nil + tempfile (concat "P=" printer))) + ;; print.exe is a standard command on NT + ((string-match "^print\\(\\.exe\\)?$" (file-name-nondirectory lpr-prog)) + ;; Be careful not to invoke print.exe on MS-DOS or Windows 9x + ;; though, because it is a TSR program there (hangs Emacs). + (or (and (eq system-type 'windows-nt) + (null (getenv "winbootdir"))) + (error "Printing via print.exe is not supported on MS-DOS or Windows 9x")) + ;; It seems that print.exe always appends a form-feed so we + ;; should make sure to omit the last FF in the data. + (if (and (> end start) + (char-equal (char-before end) ?\C-l)) + (setq end (1- end))) + ;; cancel out annotate function for non-PS case + (let ((write-region-annotate-functions nil)) + (write-region start end tempfile nil 0)) + (call-process lpr-prog nil errbuf nil + (concat "/D:" printer) tempfile)) + ;; support lpr and similar programs for convenience, but + ;; supply an explicit filename because the NT version of lpr + ;; can't read from stdin. + ((> (length lpr-prog) 0) + (write-region start end tempfile nil 0) + (setq rest (append rest (list tempfile))) + (apply 'call-process lpr-prog nil errbuf nil rest)) + ;; Run command.com to access printer port on Windows 9x, unless + ;; we are supposed to append to an existing (non-empty) file, + ;; to work around a bug in Windows 9x that prevents Win32 + ;; programs from accessing LPT ports reliably. + ((and (eq system-type 'windows-nt) + (getenv "winbootdir") + ;; Allow cop-out so command.com isn't invoked + direct-print-region-use-command-dot-com + ;; file-attributes fails on LPT ports on Windows 9x but + ;; not on NT, so handle both cases for safety. + (eq (or (nth 7 (file-attributes printer)) 0) 0)) + (write-region start end tempfile nil 0) + (let ((w32-quote-process-args nil)) + (call-process "command.com" nil errbuf nil "/c" + (format "copy /b %s %s" tempfile printer)))) + ;; write directly to the printer port + (t + (write-region start end printer t 0))) + ;; ensure we remove the tempfile if created + (if (file-exists-p tempfile) + (delete-file tempfile))))) + +(defvar printer-name) + +(defun direct-print-region-function (start end + &optional lpr-prog + delete-text buf display + &rest rest) + "DOS/Windows-specific function to print the region on a printer. +Writes the region to the device or file which is a value of +`printer-name' \(which see\), unless the value of `lpr-command' +indicates a specific program should be invoked." + + ;; DOS printers need the lines to end with CR-LF pairs, so make + ;; sure it always happens that way, unless the buffer is binary. + (let* ((coding coding-system-for-write) + (coding-base + (if (null coding) 'undecided (coding-system-base coding))) + (eol-type (coding-system-eol-type coding-base)) + ;; Make each print-out eject the final page, but don't waste + ;; paper if the file ends with a form-feed already. + (write-region-annotate-functions + (cons + (lambda (start end) + (if (not (char-equal (char-before end) ?\C-l)) + `((,end . "\f")))) + write-region-annotate-functions)) + (printer (or (and (boundp 'dos-printer) + (stringp (symbol-value 'dos-printer)) + (symbol-value 'dos-printer)) + printer-name + (default-printer-name)))) + (or (eq coding-system-for-write 'no-conversion) + (setq coding-system-for-write + (aref eol-type 1))) ; force conversion to DOS EOLs + (direct-print-region-helper printer start end lpr-prog + delete-text buf display rest))) + +(setq print-region-function 'direct-print-region-function) + +;; Set this to nil if you have a port of the `pr' program +;; (e.g., from GNU Textutils), or if you have an `lpr' +;; program (see above) that can print page headers. +;; If `lpr-headers-switches' is non-nil (the default) and +;; `print-region-function' is set to `dos-print-region-function', +;; then requests to print page headers will be silently +;; ignored, and `print-buffer' and `print-region' produce +;; the same output as `lpr-buffer' and `lpr-region', accordingly. +(setq lpr-headers-switches "(page headers are not supported)") + +(defvar ps-printer-name) + +(defun direct-ps-print-region-function (start end + &optional lpr-prog + delete-text buf display + &rest rest) + "DOS/Windows-specific function to print the region on a PostScript printer. +Writes the region to the device or file which is a value of +`ps-printer-name' \(which see\), unless the value of `ps-lpr-command' +indicates a specific program should be invoked." + + (let ((printer (or (and (boundp 'dos-ps-printer) + (stringp (symbol-value 'dos-ps-printer)) + (symbol-value 'dos-ps-printer)) + ps-printer-name + (default-printer-name)))) + (direct-print-region-helper printer start end lpr-prog + delete-text buf display rest))) + +(setq ps-print-region-function 'direct-ps-print-region-function) + +;(setq ps-lpr-command "gs") + +;(setq ps-lpr-switches '("-q" "-dNOPAUSE" "-sDEVICE=epson" "-r240x60" +; "-sOutputFile=LPT1")) (provide 'dos-w32) +;;; arch-tag: dcfefdd2-362f-4fbc-9141-9634f5f4d6a7 ;;; dos-w32.el ends here