-;;; 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,
+;; 2006 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.
;; 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:
-;;; 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 ";")
-;; 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\\|sys\\|chk\\|out\\|bin\\|ico\\|pif\\)$" . t)
+ ("\\.\\(obj\\|exe\\|com\\|lib\\|sys\\|bin\\|ico\\|pif\\|class\\)$" . t)
; MS-Dos stuff
+ ("\\.\\(dll\\|drv\\|386\\|vxd\\|fon\\|fnt\\|fot\\|ttf\\|grp\\)$" . t)
+ ; Windows stuff
+ ("\\.\\(bmp\\|wav\\|avi\\|mpg\\|jpg\\|tif\\|mov\\|au\\)$" . 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$" . t)
- ; Emacs TAGS file
+ ("\\.sx[dmicw]$" . 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)))
+;; 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 ((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)))))))
-
-(defun find-buffer-file-type-coding-system (command args)
+ (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': 'no-conversion'
- 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 text): 'emacs-mule-dos'
+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: `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 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
+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."
-If COMMAND is 'write-region', the coding system is chosen based
-upon the value of 'buffer-file-type': If t, the coding system is
-'no-conversion', otherwise it is 'emacs-mule-dos'."
(let ((op (nth 0 command))
(target)
(binary nil) (text nil)
- (undecided nil))
- (cond ((eq op 'insert-file-contents)
+ (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))
- (unless binary
- (if (find-buffer-file-type-match target)
- (setq text t)
- (setq undecided (file-exists-p target)))))
- ((eq op 'write-region)
- (setq binary buffer-file-type)))
- (cond (binary '(no-conversion . no-conversion))
- (text '(emacs-mule-dos . emacs-mule-dos))
- (undecided '(undecided . undecided))
- (t '(undecided-dos . undecided-dos)))))
+ (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 (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
+ 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)
+(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))))
(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 ((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
+ '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)
(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)))
-;; Process I/O decoding and encoding.
-
-(defun find-binary-process-coding-system (op args)
- "Choose a coding system for process I/O.
-The coding system for decode is 'no-conversion' if 'binary-process-output'
-is non-nil, and 'emacs-mule-dos' otherwise. Similarly, the coding system
-for encode is 'no-conversion' if 'binary-process-input' is non-nil,
-and 'emacs-mule-dos' otherwise."
- (let ((decode 'emacs-mule-dos)
- (encode 'emacs-mule-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