--- /dev/null
+;;; po-compat.el -- support for displaying GNU gettext PO files
+
+;; Copyright (C) 1995-1999, 2000-2002 Free Software Foundation, Inc.
+
+;; Authors: François Pinard <pinard@iro.umontreal.ca>
+;; Greg McGary <gkm@magilla.cichlid.com>
+;; Keywords: i18n gettext
+;; Created: 2002
+
+;; This file is part of GNU gettext.
+
+;; GNU gettext 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 gettext is distributed in the hope that it will be useful,
+;; 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, 59 Temple Place - Suite 330, Boston,
+;; MA 02111-1307, USA.
+
+;;; Commentary:
+
+;; Emacs 21.2 and newer already contain this file, under the name po.el,
+;; and without portability hassles.
+
+;;; Code:
+\f
+;;; Emacs portability matters.
+
+;; Identify which Emacs variety is being used.
+;; This file supports:
+;; - XEmacs (version 19 and above) -> po-XEMACS = t,
+;; - GNU Emacs (version 20 and above) -> po-EMACS20 = t,
+;; - GNU Emacs (version 19) -> no flag.
+(eval-and-compile
+ (cond ((string-match "XEmacs\\|Lucid" emacs-version)
+ (setq po-EMACS20 nil po-XEMACS t))
+ ((and (string-lessp "19" emacs-version) (featurep 'faces))
+ (setq po-EMACS20 t po-XEMACS nil))
+ (t (setq po-EMACS20 nil po-XEMACS nil))))
+
+;; Handle missing 'with-temp-buffer' function.
+(eval-and-compile
+ (if (fboundp 'with-temp-buffer)
+ (fset 'po-with-temp-buffer (symbol-function 'with-temp-buffer))
+
+ (defmacro po-with-temp-buffer (&rest forms)
+ "Create a temporary buffer, and evaluate FORMS there like 'progn'."
+ (let ((curr-buffer (make-symbol "curr-buffer"))
+ (temp-buffer (make-symbol "temp-buffer")))
+ `(let ((,curr-buffer (current-buffer))
+ (,temp-buffer (get-buffer-create
+ (generate-new-buffer-name " *po-temp*"))))
+ (unwind-protect
+ (progn
+ (set-buffer ,temp-buffer)
+ ,@forms)
+ (set-buffer ,curr-buffer)
+ (and (buffer-name ,temp-buffer)
+ (kill-buffer ,temp-buffer))))))))
+
+; Make the cpnnn codesets available.
+(if po-EMACS20
+ (mapcar #'codepage-setup (mapcar #'car (cp-supported-codepages))))
+
+(defconst po-content-type-charset-alist
+ '(; Note: Emacs 21 doesn't support all encodings, thus the missing entries.
+ (ASCII . undecided)
+ (ANSI_X3.4-1968 . undecided)
+ (US-ASCII . undecided)
+ (ISO-8859-1 . iso-8859-1)
+ (ISO_8859-1 . iso-8859-1)
+ (ISO-8859-2 . iso-8859-2)
+ (ISO_8859-2 . iso-8859-2)
+ (ISO-8859-3 . iso-8859-3)
+ (ISO_8859-3 . iso-8859-3)
+ (ISO-8859-4 . iso-8859-4)
+ (ISO_8859-4 . iso-8859-4)
+ (ISO-8859-5 . iso-8859-5)
+ (ISO_8859-5 . iso-8859-5)
+ ;(ISO-8859-6 . ??)
+ ;(ISO_8859-6 . ??)
+ (ISO-8859-7 . iso-8859-7)
+ (ISO_8859-7 . iso-8859-7)
+ (ISO-8859-8 . iso-8859-8)
+ (ISO_8859-8 . iso-8859-8)
+ (ISO-8859-9 . iso-8859-9)
+ (ISO_8859-9 . iso-8859-9)
+ ;(ISO-8859-13 . ??)
+ ;(ISO_8859-13 . ??)
+ (ISO-8859-15 . iso-8859-15) ; requires Emacs 21
+ (ISO_8859-15 . iso-8859-15) ; requires Emacs 21
+ (KOI8-R . koi8-r)
+ ;(KOI8-U . ??)
+ (CP437 . cp437) ; requires Emacs 20
+ (CP775 . cp775) ; requires Emacs 20
+ (CP850 . cp850) ; requires Emacs 20
+ (CP852 . cp852) ; requires Emacs 20
+ (CP855 . cp855) ; requires Emacs 20
+ ;(CP856 . ??)
+ (CP857 . cp857) ; requires Emacs 20
+ (CP861 . cp861) ; requires Emacs 20
+ (CP862 . cp862) ; requires Emacs 20
+ (CP864 . cp864) ; requires Emacs 20
+ (CP865 . cp865) ; requires Emacs 20
+ (CP866 . cp866) ; requires Emacs 21
+ (CP869 . cp869) ; requires Emacs 20
+ ;(CP874 . ??)
+ ;(CP922 . ??)
+ ;(CP932 . ??)
+ ;(CP943 . ??)
+ ;(CP949 . ??)
+ ;(CP950 . ??)
+ ;(CP1046 . ??)
+ ;(CP1124 . ??)
+ ;(CP1129 . ??)
+ (CP1250 . cp1250) ; requires Emacs 20
+ (CP1251 . cp1251) ; requires Emacs 20
+ (CP1252 . iso-8859-1) ; approximation
+ (CP1253 . cp1253) ; requires Emacs 20
+ (CP1254 . iso-8859-9) ; approximation
+ (CP1255 . iso-8859-8) ; approximation
+ ;(CP1256 . ??)
+ (CP1257 . cp1257) ; requires Emacs 20
+ (GB2312 . cn-gb-2312) ; also named 'gb2312' in XEmacs 21 or Emacs 21
+ ; also named 'euc-cn' in Emacs 20 or Emacs 21
+ (EUC-JP . euc-jp)
+ (EUC-KR . euc-kr)
+ ;(EUC-TW . ??)
+ (BIG5 . big5)
+ ;(BIG5-HKSCS . ??)
+ ;(GBK . ??)
+ ;(GB18030 . ??)
+ (SHIFT_JIS . shift_jis)
+ ;(JOHAB . ??)
+ (TIS-620 . tis-620) ; requires Emacs 20 or Emacs 21
+ (VISCII . viscii) ; requires Emacs 20 or Emacs 21
+ (UTF-8 . utf-8) ; requires Mule-UCS in Emacs 20, or Emacs 21
+ )
+ "How to convert a GNU libc/libiconv canonical charset name as seen in
+Content-Type into a Mule coding system.")
+
+(defun po-find-charset (filename)
+ "Return PO file charset value."
+ (interactive)
+ (let ((charset-regexp
+ "^\"Content-Type: text/plain;[ \t]*charset=\\(.*\\)\\\\n\"")
+ (short-read nil))
+ ;; Try the first 4096 bytes. In case we cannot find the charset value
+ ;; within the first 4096 bytes (the PO file might start with a long
+ ;; comment) try the next 4096 bytes repeatedly until we'll know for sure
+ ;; we've checked the empty header entry entirely.
+ (while (not (or short-read (re-search-forward "^msgid" nil t)))
+ (save-excursion
+ (goto-char (point-max))
+ (let ((pair (insert-file-contents-literally filename nil
+ (1- (point))
+ (1- (+ (point) 4096)))))
+ (setq short-read (< (nth 1 pair) 4096)))))
+ (cond (short-read nil)
+ ((re-search-forward charset-regexp nil t) (match-string 1))
+ ;; We've found the first msgid; maybe, only a part of the msgstr
+ ;; value was loaded. Load the next 1024 bytes; if charset still
+ ;; isn't available, give up.
+ (t (save-excursion
+ (goto-char (point-max))
+ (insert-file-contents-literally filename nil
+ (1- (point))
+ (1- (+ (point) 1024))))
+ (if (re-search-forward charset-regexp nil t)
+ (match-string 1))))))
+
+(eval-and-compile
+ (if (or po-EMACS20 po-XEMACS)
+ (defun po-find-file-coding-system-guts (operation filename)
+ "\
+Return a Mule (DECODING . ENCODING) pair, according to PO file charset.
+Called through file-coding-system-alist, before the file is visited for real."
+ (and (eq operation 'insert-file-contents)
+ (file-exists-p filename)
+ (po-with-temp-buffer
+ (let ((coding-system-for-read 'no-conversion))
+ (let* ((charset (or (po-find-charset filename)
+ "ascii"))
+ (charset-upper (intern (upcase charset)))
+ (charset-lower (intern (downcase charset))))
+ (list (or (cdr (assq charset-upper
+ po-content-type-charset-alist))
+ (if (memq charset-lower (coding-system-list))
+ charset-lower
+ 'no-conversion)))))))))
+
+ (if po-EMACS20
+ (defun po-find-file-coding-system (arg-list)
+ "\
+Return a Mule (DECODING . ENCODING) pair, according to PO file charset.
+Called through file-coding-system-alist, before the file is visited for real."
+ (po-find-file-coding-system-guts (car arg-list) (car (cdr arg-list)))))
+
+ (if po-XEMACS
+ (defun po-find-file-coding-system (operation filename)
+ "\
+Return a Mule (DECODING . ENCODING) pair, according to PO file charset.
+Called through file-coding-system-alist, before the file is visited for real."
+ (po-find-file-coding-system-guts operation filename)))
+
+ )
+
+(provide 'po-compat)
+
+;;; po-compat.el ends here
;; (setq auto-mode-alist (cons '("\\.po\\'\\|\\.po\\." . po-mode)
;; auto-mode-alist))
;;
-;; To use the right coding system automatically under Emacs 20, also add:
+;; To use the right coding system automatically under Emacs 20 or newer,
+;; also add:
;;
-;; (autoload 'po-find-file-coding-system "po-mode")
+;; (autoload 'po-find-file-coding-system "po-compat")
;; (modify-coding-system-alist 'file "\\.po\\'\\|\\.po\\."
;; 'po-find-file-coding-system)
;;
;;; Code:
\f
-(defconst po-mode-version-string "1.91" "\
+(defconst po-mode-version-string "2.00" "\
Version number of this version of po-mode.el.")
;;; Emacs portability matters - part I.
(_"Type 'C-c C-c' once done, or 'C-c C-k' to abort edit")
"Message to post in the minibuffer when an edit buffer is displayed.")
-; Make the cpnnn codesets available.
-(if po-EMACS20
- (mapc #'codepage-setup (mapcar #'car (cp-supported-codepages))))
-
-(defconst po-content-type-charset-alist
- '(; Note: Emacs 21 doesn't support all encodings, thus the missing entries.
- (ASCII . undecided)
- (ANSI_X3.4-1968 . undecided)
- (US-ASCII . undecided)
- (ISO-8859-1 . iso-8859-1)
- (ISO_8859-1 . iso-8859-1)
- (ISO-8859-2 . iso-8859-2)
- (ISO_8859-2 . iso-8859-2)
- (ISO-8859-3 . iso-8859-3)
- (ISO_8859-3 . iso-8859-3)
- (ISO-8859-4 . iso-8859-4)
- (ISO_8859-4 . iso-8859-4)
- (ISO-8859-5 . iso-8859-5)
- (ISO_8859-5 . iso-8859-5)
- ;(ISO-8859-6 . ??)
- ;(ISO_8859-6 . ??)
- (ISO-8859-7 . iso-8859-7)
- (ISO_8859-7 . iso-8859-7)
- (ISO-8859-8 . iso-8859-8)
- (ISO_8859-8 . iso-8859-8)
- (ISO-8859-9 . iso-8859-9)
- (ISO_8859-9 . iso-8859-9)
- ;(ISO-8859-13 . ??)
- ;(ISO_8859-13 . ??)
- (ISO-8859-15 . iso-8859-15) ; requires Emacs 21
- (ISO_8859-15 . iso-8859-15) ; requires Emacs 21
- (KOI8-R . koi8-r)
- ;(KOI8-U . ??)
- (CP437 . cp437) ; requires Emacs 20
- (CP775 . cp775) ; requires Emacs 20
- (CP850 . cp850) ; requires Emacs 20
- (CP852 . cp852) ; requires Emacs 20
- (CP855 . cp855) ; requires Emacs 20
- ;(CP856 . ??)
- (CP857 . cp857) ; requires Emacs 20
- (CP861 . cp861) ; requires Emacs 20
- (CP862 . cp862) ; requires Emacs 20
- (CP864 . cp864) ; requires Emacs 20
- (CP865 . cp865) ; requires Emacs 20
- (CP866 . cp866) ; requires Emacs 21
- (CP869 . cp869) ; requires Emacs 20
- ;(CP874 . ??)
- ;(CP922 . ??)
- ;(CP932 . ??)
- ;(CP943 . ??)
- ;(CP949 . ??)
- ;(CP950 . ??)
- ;(CP1046 . ??)
- ;(CP1124 . ??)
- ;(CP1129 . ??)
- (CP1250 . cp1250) ; requires Emacs 20
- (CP1251 . cp1251) ; requires Emacs 20
- (CP1252 . iso-8859-1) ; approximation
- (CP1253 . cp1253) ; requires Emacs 20
- (CP1254 . iso-8859-9) ; approximation
- (CP1255 . iso-8859-8) ; approximation
- ;(CP1256 . ??)
- (CP1257 . cp1257) ; requires Emacs 20
- (GB2312 . cn-gb-2312) ; also named 'gb2312' in XEmacs 21 or Emacs 21
- ; also named 'euc-cn' in Emacs 20 or Emacs 21
- (EUC-JP . euc-jp)
- (EUC-KR . euc-kr)
- ;(EUC-TW . ??)
- (BIG5 . big5)
- ;(BIG5-HKSCS . ??)
- ;(GBK . ??)
- ;(GB18030 . ??)
- (SHIFT_JIS . shift_jis)
- ;(JOHAB . ??)
- (TIS-620 . tis-620) ; requires Emacs 20 or Emacs 21
- (VISCII . viscii) ; requires Emacs 20 or Emacs 21
- (UTF-8 . utf-8) ; requires Mule-UCS in Emacs 20, or Emacs 21
- )
- "How to convert a GNU libc/libiconv canonical charset name as seen in
-Content-Type into a Mule coding system.")
-
(defvar po-auxiliary-list nil
"List of auxiliary PO files, in completing read format.")
\f
;;; Mode activation.
-(defun po-find-charset (filename)
- "Return PO file charset value."
- (interactive)
- (let ((charset-regexp
- "^\"Content-Type: text/plain;[ \t]*charset=\\(.*\\)\\\\n\"")
- (short-read nil))
- ;; Try the first 4096 bytes. In case we cannot find the charset value
- ;; within the first 4096 bytes (the PO file might start with a long
- ;; comment) try the next 4096 bytes repeatedly until we'll know for sure
- ;; we've checked the empty header entry entirely.
- (while (not (or short-read (re-search-forward "^msgid" nil t)))
- (save-excursion
- (goto-char (point-max))
- (let ((pair (insert-file-contents-literally filename nil
- (1- (point))
- (1- (+ (point) 4096)))))
- (setq short-read (< (nth 1 pair) 4096)))))
- (cond (short-read nil)
- ((re-search-forward charset-regexp nil t) (match-string 1))
- ;; We've found the first msgid; maybe, only a part of the msgstr
- ;; value was loaded. Load the next 1024 bytes; if charset still
- ;; isn't available, give up.
- (t (save-excursion
- (goto-char (point-max))
- (insert-file-contents-literally filename nil
- (1- (point))
- (1- (+ (point) 1024))))
- (if (re-search-forward charset-regexp nil t)
- (match-string 1))))))
-
-(eval-and-compile
- (if (or po-EMACS20 po-XEMACS)
- (defun po-find-file-coding-system-guts (operation filename)
- "\
-Return a Mule (DECODING . ENCODING) pair, according to PO file charset.
-Called through file-coding-system-alist, before the file is visited for real."
- (and (eq operation 'insert-file-contents)
- (file-exists-p filename)
- (po-with-temp-buffer
- (let ((coding-system-for-read 'no-conversion))
- (let* ((charset (or (po-find-charset filename)
- "ascii"))
- (charset-upper (intern (upcase charset)))
- (charset-lower (intern (downcase charset))))
- (list (or (cdr (assq charset-upper
- po-content-type-charset-alist))
- (if (memq charset-lower (coding-system-list))
- charset-lower
- 'no-conversion)))))))))
-
- (if po-EMACS20
- (defun po-find-file-coding-system (arg-list)
- "\
-Return a Mule (DECODING . ENCODING) pair, according to PO file charset.
-Called through file-coding-system-alist, before the file is visited for real."
- (po-find-file-coding-system-guts (car arg-list) (car (cdr arg-list)))))
-
- (if po-XEMACS
- (defun po-find-file-coding-system (operation filename)
- "\
-Return a Mule (DECODING . ENCODING) pair, according to PO file charset.
-Called through file-coding-system-alist, before the file is visited for real."
- (po-find-file-coding-system-guts operation filename)))
-
- )
+;; Emacs 21.2 comes with po-find-file-coding-system. We give preference
+;; to the version shipped with Emacs.
+(if (not (fboundp 'po-find-file-coding-system))
+ (require 'po-compat))
(defvar po-mode-abbrev-table nil
"Abbrev table used while in PO mode.")
projects / thirdparty / gettext.git / commitdiff
