;;; mm-util.el --- Utility functions for MIME things
-;; Copyright (C) 1998,99 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
(iso-8859-3 latin-iso8859-3)
(iso-8859-4 latin-iso8859-4)
(iso-8859-5 cyrillic-iso8859-5)
- (koi8-r cyrillic-iso8859-5)
+ ;; Non-mule (X)Emacs uses the last mule-charset for 8bit characters.
+ ;; The fake mule-charset, gnus-koi8-r, tells Gnus that the default
+ ;; charset is koi8-r, not iso-8859-5.
+ (koi8-r cyrillic-iso8859-5 gnus-koi8-r)
(iso-8859-6 arabic-iso8859-6)
(iso-8859-7 greek-iso8859-7)
(iso-8859-8 hebrew-iso8859-8)
chinese-cns11643-1 chinese-cns11643-2
chinese-cns11643-3 chinese-cns11643-4
chinese-cns11643-5 chinese-cns11643-6
- chinese-cns11643-7))
+ chinese-cns11643-7)
+ (utf-8 unicode-a unicode-b unicode-c unicode-d unicode-e))
"Alist of MIME-charset/MULE-charsets.")
(eval-and-compile
"Prompt the user for a coding system."
(completing-read
prompt (mapcar (lambda (s) (list (symbol-name (car s))))
- mm-mime-mule-charset-alist)))))))
+ mm-mime-mule-charset-alist))))
+ (read-charset
+ . (lambda (prompt)
+ "Return a charset."
+ (intern
+ (completing-read
+ prompt
+ (mapcar (lambda (e) (list (symbol-name (car e))))
+ mm-mime-mule-charset-alist)
+ nil t)))))))
+
+(eval-and-compile
+ (defalias 'mm-char-or-char-int-p
+ (cond
+ ((fboundp 'char-or-char-int-p) 'char-or-char-int-p)
+ ((fboundp 'char-valid-p) 'char-valid-p)
+ (t 'identity))))
(defvar mm-coding-system-list nil)
(defun mm-get-coding-system-list ()
(t
nil)))
-(defun mm-replace-chars-in-string (string from to)
- "Replace characters in STRING from FROM to TO."
- (let ((string (substring string 0)) ;Copy string.
- (len (length string))
- (idx 0))
- ;; Replace all occurrences of FROM with TO.
- (while (< idx len)
- (when (= (aref string idx) from)
- (aset string idx to))
- (setq idx (1+ idx)))
- string))
+(if (fboundp 'subst-char-in-string)
+ (defsubst mm-replace-chars-in-string (string from to)
+ (subst-char-in-string from to string))
+ (defun mm-replace-chars-in-string (string from to)
+ "Replace characters in STRING from FROM to TO."
+ (let ((string (substring string 0)) ;Copy string.
+ (len (length string))
+ (idx 0))
+ ;; Replace all occurrences of FROM with TO.
+ (while (< idx len)
+ (when (= (aref string idx) from)
+ (aset string idx to))
+ (setq idx (1+ idx)))
+ string)))
(defsubst mm-enable-multibyte ()
"Enable multibyte in the current buffer."
(defun mm-mime-charset (charset)
"Return the MIME charset corresponding to the MULE CHARSET."
- (if (fboundp 'coding-system-get)
+ (if (and (fboundp 'coding-system-get) (fboundp 'get-charset-property))
;; This exists in Emacs 20.
(or
(and (mm-preferred-coding-system charset)
(defsubst mm-multibyte-p ()
"Say whether multibyte is enabled."
- (or (string-match "XEmacs\\|Lucid" emacs-version)
+ (or (featurep 'xemacs)
(and (boundp 'enable-multibyte-characters)
enable-multibyte-characters)))
See also `with-temp-file' and `with-output-to-string'."
(let ((temp-buffer (make-symbol "temp-buffer"))
(multibyte (make-symbol "multibyte")))
- `(if (or (string-match "XEmacs\\|Lucid" emacs-version)
+ `(if (or (featurep 'xemacs)
(not (boundp 'enable-multibyte-characters)))
(with-temp-buffer ,@forms)
(let ((,multibyte (default-value 'enable-multibyte-characters))
(defmacro mm-with-unibyte-current-buffer (&rest forms)
"Evaluate FORMS there like `progn' in current buffer."
(let ((multibyte (make-symbol "multibyte")))
- `(if (or (string-match "XEmacs\\|Lucid" emacs-version)
+ `(if (or (featurep 'xemacs)
(not (fboundp 'set-buffer-multibyte)))
(progn
,@forms)
(coding-system-for-read mm-binary-coding-system)
(coding-system-for-write mm-binary-coding-system))
(set-buffer-multibyte nil)
+ (setq-default enable-multibyte-characters nil)
,@forms)
+ (setq-default enable-multibyte-characters ,multibyte)
(set-buffer-multibyte ,multibyte))))))
(put 'mm-with-unibyte-current-buffer 'lisp-indent-function 0)
(put 'mm-with-unibyte-current-buffer 'edebug-form-spec '(body))
(defmacro mm-with-unibyte (&rest forms)
"Set default `enable-multibyte-characters' to `nil', eval the FORMS."
(let ((multibyte (make-symbol "multibyte")))
- `(if (or (string-match "XEmacs\\|Lucid" emacs-version)
+ `(if (or (featurep 'xemacs)
(not (boundp 'enable-multibyte-characters)))
(progn ,@forms)
(let ((,multibyte (default-value 'enable-multibyte-characters)))
(or (car (last (assq 'charset entry)))
'latin-iso8859-1))))))))))
-(defun mm-read-charset (prompt)
- "Return a charset."
- (intern
- (completing-read
- prompt
- (mapcar (lambda (e) (list (symbol-name (car e))))
- mm-mime-mule-charset-alist)
- nil t)))
-
-(defun mm-quote-arg (arg)
- "Return a version of ARG that is safe to evaluate in a shell."
- (let ((pos 0) new-pos accum)
- ;; *** bug: we don't handle newline characters properly
- (while (setq new-pos (string-match "[]*[;!'`\"$\\& \t{} |()<>]" arg pos))
- (push (substring arg pos new-pos) accum)
- (push "\\" accum)
- (push (list (aref arg new-pos)) accum)
- (setq pos (1+ new-pos)))
- (if (= pos 0)
- arg
- (apply 'concat (nconc (nreverse accum) (list (substring arg pos)))))))
+(if (fboundp 'shell-quote-argument)
+ (defalias 'mm-quote-arg 'shell-quote-argument)
+ (defun mm-quote-arg (arg)
+ "Return a version of ARG that is safe to evaluate in a shell."
+ (let ((pos 0) new-pos accum)
+ ;; *** bug: we don't handle newline characters properly
+ (while (setq new-pos (string-match "[]*[;!'`\"$\\& \t{} |()<>]" arg pos))
+ (push (substring arg pos new-pos) accum)
+ (push "\\" accum)
+ (push (list (aref arg new-pos)) accum)
+ (setq pos (1+ new-pos)))
+ (if (= pos 0)
+ arg
+ (apply 'concat (nconc (nreverse accum) (list (substring arg pos))))))))
(defun mm-auto-mode-alist ()
"Return an `auto-mode-alist' with only the .gz (etc) thingies."