;; Copyright (C) 1996 Free Software Foundation, Inc.
-;; Maintainer: Geoff Voelker (voelker@cs.washington.edu)
+;; Maintainer: Geoff Voelker <voelker@cs.washington.edu>
;; Keywords: internal
;; This file is part of GNU Emacs.
;;; Code:
-;;; Add %t: into the mode line format just after the open-paren.
-(let ((tail (member " %[(" mode-line-format)))
- (setcdr tail (cons (purecopy "%t:")
- (cdr tail))))
-
;; Use ";" instead of ":" as a path separator (from files.el).
(setq path-separator ";")
+(setq minibuffer-history-case-insensitive-variables
+ (cons 'file-name-history minibuffer-history-case-insensitive-variables))
+
;; Set the null device (for compile.el).
-(setq grep-null-device "NUL")
+(setq null-device "NUL")
;; Set the grep regexp to match entries with drive letters.
(setq grep-regexp-alist
'(
("[:/].*config.sys$" . nil) ; config.sys text
("\\.elc$" . t) ; emacs stuff
- ("\\.\\(obj\\|exe\\|com\\|lib\\|sys\\|chk\\|out\\|bin\\|ico\\|pif\\)$" . t)
+ ("\\.\\(obj\\|exe\\|com\\|lib\\|sym\\|sys\\|chk\\|out\\|bin\\|ico\\|pif\\|class\\)$" . t)
; MS-Dos stuff
+ ("\\.\\(dll\\|drv\\|cpl\\|scr\\vbx\\|386\\|vxd\\|fon\\|fnt\\|fot\\|ttf\\|grp\\)$" . t)
+ ; Windows stuff
+ ("\\.\\(hlp\\|bmp\\|wav\\|avi\\|mpg\\|jpg\\|tif\\mov\\au\\)" . t)
+ ; known binary data files
("\\.\\(arc\\|zip\\|pak\\|lzh\\|zoo\\)$" . t)
; Packers
- ("\\.\\(a\\|o\\|tar\\|z\\|gz\\|taz\\)$" . t)
+ ("\\.\\(a\\|o\\|tar\\|z\\|gz\\|taz\\|jar\\)$" . t)
; Unix stuff
("\\.tp[ulpw]$" . t)
; Borland Pascal stuff
- ("[:/]tags$" . t)
+ ("[:/]tags$" . nil)
; Emacs TAGS file
)
"*Alist for distinguishing text files from binary files.
Each element has the form (REGEXP . TYPE), where REGEXP is matched
against the file name, and TYPE is nil for text, t for binary.")
+;; Return the pair matching filename on file-name-buffer-file-type-alist,
+;; or nil otherwise.
+(defun find-buffer-file-type-match (filename)
+ (let ((alist file-name-buffer-file-type-alist)
+ (found nil))
+ (let ((case-fold-search t))
+ (setq filename (file-name-sans-versions filename))
+ (while (and (not found) alist)
+ (if (string-match (car (car alist)) filename)
+ (setq found (car alist)))
+ (setq alist (cdr alist)))
+ found)))
+
+;; Don't check for untranslated file systems here.
(defun find-buffer-file-type (filename)
- ;; First check if file is on an untranslated filesystem, then on the alist.
- (if (untranslated-file-p filename)
- t ; for binary
- (let ((alist file-name-buffer-file-type-alist)
- (found nil)
- (code nil))
- (let ((case-fold-search t))
- (setq filename (file-name-sans-versions filename))
- (while (and (not found) alist)
- (if (string-match (car (car alist)) filename)
- (setq code (cdr (car alist))
- found t))
- (setq alist (cdr alist))))
- (if found
- (cond ((memq code '(nil t)) code)
- ((and (symbolp code) (fboundp code))
- (funcall code filename)))
- default-buffer-file-type))))
+ (let ((match (find-buffer-file-type-match filename))
+ (code))
+ (if (not match)
+ default-buffer-file-type
+ (setq code (cdr match))
+ (cond ((memq code '(nil t)) code)
+ ((and (symbolp code) (fboundp code))
+ (funcall code 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:
+
+ If it matches in `untranslated-filesystem-list':
+ If the file exists: `no-conversion'
+ If the file does not exist: `undecided'
+ 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 COMMAND 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'.
+Otherwise, it is `undecided-dos'.
+
+The two most common situations are when DOS and Unix files are read
+and written, and their names do not match in
+`untranslated-filesystem-list' and `file-name-buffer-file-type-alist'.
+In these cases, the coding system initially will be `undecided'. As
+the file is read in the DOS case, the coding system will be changed to
+`undecided-dos' as CR/LFs are detected. As the file is read in the
+Unix case, the coding system will be changed to `undecided-unix' as
+LFs are detected. In both cases, `buffer-file-coding-system' will be
+set to the appropriate coding system, and the value of
+`buffer-file-coding-system' will be used when writing the file."
+
+ (let ((op (nth 0 command))
+ (target)
+ (binary nil) (text nil)
+ (undecided nil) (undecided-unix nil))
+ (cond ((eq op 'insert-file-contents)
+ (setq target (nth 1 command))
+ ;; First check for a file name that indicates
+ ;; it is truly binary.
+ (setq binary (find-buffer-file-type target))
+ (cond (binary)
+ ;; Next check for files that MUST use DOS eol conversion.
+ ((find-buffer-file-type-match target)
+ (setq text t))
+ ;; For any other existing file, decide based on contents.
+ ((file-exists-p target)
+ (setq undecided t))
+ ;; Next check for a non-DOS file system.
+ ((untranslated-file-p target)
+ (setq undecided-unix t)))
+ (cond (binary '(no-conversion . no-conversion))
+ (text '(undecided-dos . undecided-dos))
+ (undecided-unix '(undecided-unix . undecided-unix))
+ (undecided '(undecided . undecided))
+ (t '(undecided-dos . undecided-dos))))
+ ((eq op 'write-region)
+ (if buffer-file-coding-system
+ (cons buffer-file-coding-system
+ buffer-file-coding-system)
+ ;; Normally this is used only in a non-file-visiting
+ ;; buffer, because normally buffer-file-coding-system is non-nil
+ ;; in a file-visiting buffer.
+ (if buffer-file-type
+ '(no-conversion . no-conversion)
+ '(undecided-dos . undecided-dos)))))))
+
+(modify-coding-system-alist 'file "" 'find-buffer-file-type-coding-system)
(defun find-file-binary (filename)
"Visit file FILENAME and treat it as binary."
(let ((file-name-buffer-file-type-alist '(("" . nil))))
(find-file filename)))
-(defun find-file-not-found-set-buffer-file-type ()
+(defun find-file-not-found-set-buffer-file-coding-system ()
(save-excursion
(set-buffer (current-buffer))
- (setq buffer-file-type (find-buffer-file-type (buffer-file-name))))
- nil)
-
-;;; To set the default file type on new files.
-(add-hook 'find-file-not-found-hooks 'find-file-not-found-set-buffer-file-type)
+ (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))
+ (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
+ 'find-file-not-found-set-buffer-file-coding-system)
;;; To accomodate filesystems that do not require CR/LF translation.
(defvar untranslated-filesystem-list nil
"Return FILENAME in a canonicalized form for use with the functions
dealing with untranslated filesystems."
(if (memq system-type '(ms-dos windows-nt))
- ;; The canonical form for DOS/NT/Win95 is with A-Z downcased and all
+ ;; 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
CR/LF translation. FILESYSTEM is a string containing the directory
prefix corresponding to the filesystem. For example, for a Unix
filesystem mounted on drive Z:, FILESYSTEM could be \"Z:\"."
+ (interactive "fUntranslated file system: ")
(let ((fs (untranslated-canonical-name filesystem)))
(if (member fs untranslated-filesystem-list)
untranslated-filesystem-list
CR/LF translation. FILESYSTEM is a string containing the directory
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
(delete (untranslated-canonical-name filesystem)
untranslated-filesystem-list)))
+(setq-default default-process-coding-system
+ (if (fboundp 'start-process)
+ '(raw-text-dos . raw-text-dos)
+ '(undecided-dos . undecided-dos)))
+
+;; Support for printing under DOS/Windows, see lpr.el and ps-print.el.
+(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' \(which see\). Ignores any arguments beyond
+START and END."
+
+ ;; 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)))
+ (or (eq coding-system-for-write 'no-conversion)
+ (setq coding-system-for-write
+ (aref eol-type 1))) ; force conversion to DOS EOLs
+ (write-region start end
+ (or (and (boundp 'dos-printer) dos-printer)
+ printer-name)
+ t 0)
+ ;; Make each print-out start on a new page, but don't waste
+ ;; paper if there was a form-feed at the end of this file.
+ (if (not (char-equal (char-after (1- end)) ?\C-l))
+ (write-region "\f" nil
+ (or (and (boundp 'dos-printer) dos-printer)
+ printer-name)
+ t 0))))
+
+;; Set this to nil if you have a port of the `lpr' program and
+;; you want to use it for printing. If the default setting is
+;; in effect, `lpr-command' and its switches are ignored when
+;; printing with `lpr-xxx' and `print-xxx'.
+(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)
+
+(setq ps-lpr-command "gs")
+
+(setq ps-lpr-switches '("-q" "-dNOPAUSE" "-sDEVICE=epson" "-r240x60"
+ "-sOutputFile=LPT1" "-"))
+
(provide 'dos-w32)
;;; dos-w32.el ends here