-;;; 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, 2001, 2002, 2003, 2004, 2005,
+;; 2006, 2007 Free Software Foundation, Inc.
;; Maintainer: Geoff Voelker <voelker@cs.washington.edu>
;; Keywords: internal
;; 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)
+;; the Free Software Foundation; either version 3, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; 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:
;; Set the null device (for compile.el).
(setq null-device "NUL")
-;; 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)))
-
;; For distinguishing file types based upon suffixes.
(defvar file-name-buffer-file-type-alist
'(
; MS-Dos stuff
("\\.\\(dll\\|drv\\|386\\|vxd\\|fon\\|fnt\\|fot\\|ttf\\|grp\\)$" . t)
; Windows stuff
- ("\\.\\(bmp\\|wav\\|avi\\|mpg\\|jpg\\|tif\\|mov\\|au\\)" . t)
+ ("\\.\\(bmp\\|wav\\|avi\\|mpg\\|jpg\\|tif\\|mov\\|au\\)$" . t)
; known binary data files
("\\.\\(arc\\|zip\\|pak\\|lzh\\|zoo\\)$" . t)
; Packers
("\\.\\(a\\|o\\|tar\\|z\\|gz\\|taz\\|jar\\)$" . t)
; Unix stuff
- ("\\.tp[ulpw]$" . t)
- ; Borland Pascal stuff
- ("[:/]tags$" . nil)
- ; 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
(setq alist (cdr alist)))
found)))
+;; Silence compiler. Defined in src/buffer.c on DOS_NT.
+(defvar default-buffer-file-type)
+
;; Don't check for untranslated file systems here.
(defun find-buffer-file-type (filename)
(let ((match (find-buffer-file-type-match filename))
(setq-default buffer-file-coding-system 'undecided-dos)
(defun find-buffer-file-type-coding-system (command)
- "Choose a coding system for a file operation.
-If COMMAND is `insert-file-contents', the coding system is chosen based
-upon the filename, the contents of `untranslated-filesystem-list' and
-`file-name-buffer-file-type-alist', and whether the file exists:
+ "Choose a coding system for a file operation in COMMAND.
+COMMAND is a list that specifies the operation, an I/O primitive, as its
+CAR, and the arguments that might be given to that operation as its CDR.
+If operation is `insert-file-contents', the coding system is chosen based
+upon the filename (the CAR of the arguments beyond the operation), 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'
If the file exists: `undecided'
If the file does not exist: default-buffer-file-coding-system
-If COMMAND is `write-region', the coding system is chosen based upon
+Note that the CAR of arguments to `insert-file-contents' operation could
+be a cons cell of the form \(FILENAME . BUFFER\), where BUFFER is a buffer
+into which the file's contents were already read, but not yet decoded.
+
+If operation is `write-region', the coding system is chosen based upon
the value of `buffer-file-coding-system' and `buffer-file-type'. If
`buffer-file-coding-system' is non-nil, its value is used. If it is
nil and `buffer-file-type' is t, the coding system is `no-conversion'.
(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))
+ ;; If TARGET is a cons cell, it has the form (FILENAME . BUFFER),
+ ;; where BUFFER is a buffer into which the file was already read,
+ ;; but its contents were not yet decoded. (This form of the
+ ;; arguments is used, e.g., in arc-mode.el.) This function
+ ;; doesn't care about the contents, it only looks at the file's
+ ;; name, which is the CAR of the cons cell.
+ (if (consp target) (setq target (car target)))
;; First check for a file name that indicates
;; it is truly binary.
(setq binary (find-buffer-file-type target))
(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))))
(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-functions
'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))
(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)
(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
(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)))
(subst-char-in-string
?/ ?\\
(make-temp-name
- (expand-file-name "EP" (getenv "TMPDIR")))))
+ (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
(printer (or (and (boundp 'dos-printer)
(stringp (symbol-value 'dos-printer))
(symbol-value 'dos-printer))
- printer-name)))
+ 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
(let ((printer (or (and (boundp 'dos-ps-printer)
(stringp (symbol-value 'dos-ps-printer))
(symbol-value 'dos-ps-printer))
- ps-printer-name)))
+ ps-printer-name
+ (default-printer-name))))
(direct-print-region-helper printer start end lpr-prog
delete-text buf display rest)))
(provide 'dos-w32)
+;;; arch-tag: dcfefdd2-362f-4fbc-9141-9634f5f4d6a7
;;; dos-w32.el ends here
HCoop / bpt / emacs.git / blobdiff