;;; mm-util.el --- Utility functions for Mule and low level things
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
-;; 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+;; Copyright (C) 1998-2012 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; MORIOKA Tomohiko <morioka@jaist.ac.jp>
(t 'identity))))
;; `ucs-to-char' is a function that Mule-UCS provides.
-(if (featurep 'xemacs)
- (cond ((and (fboundp 'unicode-to-char) ;; XEmacs 21.5.
- (subrp (symbol-function 'unicode-to-char)))
- (if (featurep 'mule)
- (defalias 'mm-ucs-to-char 'unicode-to-char)
+(eval-and-compile
+ (if (featurep 'xemacs)
+ (cond ((and (fboundp 'unicode-to-char) ;; XEmacs 21.5.
+ (subrp (symbol-function 'unicode-to-char)))
+ (if (featurep 'mule)
+ (defalias 'mm-ucs-to-char 'unicode-to-char)
+ (defun mm-ucs-to-char (codepoint)
+ "Convert Unicode codepoint to character."
+ (or (unicode-to-char codepoint) ?#))))
+ ((featurep 'mule)
+ (defun mm-ucs-to-char (codepoint)
+ "Convert Unicode codepoint to character."
+ (if (fboundp 'ucs-to-char) ;; Mule-UCS is loaded.
+ (progn
+ (defalias 'mm-ucs-to-char
+ (lambda (codepoint)
+ "Convert Unicode codepoint to character."
+ (condition-case nil
+ (or (ucs-to-char codepoint) ?#)
+ (error ?#))))
+ (mm-ucs-to-char codepoint))
+ (condition-case nil
+ (or (int-to-char codepoint) ?#)
+ (error ?#)))))
+ (t
(defun mm-ucs-to-char (codepoint)
"Convert Unicode codepoint to character."
- (or (unicode-to-char codepoint) ?#))))
- ((featurep 'mule)
- (defun mm-ucs-to-char (codepoint)
- "Convert Unicode codepoint to character."
- (if (fboundp 'ucs-to-char) ;; Mule-UCS is loaded.
- (progn
- (defalias 'mm-ucs-to-char
- (lambda (codepoint)
- "Convert Unicode codepoint to character."
- (condition-case nil
- (or (ucs-to-char codepoint) ?#)
- (error ?#))))
- (mm-ucs-to-char codepoint))
(condition-case nil
(or (int-to-char codepoint) ?#)
(error ?#)))))
- (t
- (defun mm-ucs-to-char (codepoint)
- "Convert Unicode codepoint to character."
- (condition-case nil
- (or (int-to-char codepoint) ?#)
- (error ?#)))))
- (if (let ((char (make-char 'japanese-jisx0208 36 34)))
- (eq char (decode-char 'ucs char)))
- ;; Emacs 23.
- (defalias 'mm-ucs-to-char 'identity)
- (defun mm-ucs-to-char (codepoint)
- "Convert Unicode codepoint to character."
- (or (decode-char 'ucs codepoint) ?#))))
+ (if (let ((char (make-char 'japanese-jisx0208 36 34)))
+ (eq char (decode-char 'ucs char)))
+ ;; Emacs 23.
+ (defalias 'mm-ucs-to-char 'identity)
+ (defun mm-ucs-to-char (codepoint)
+ "Convert Unicode codepoint to character."
+ (or (decode-char 'ucs codepoint) ?#)))))
;; Fixme: This seems always to be used to read a MIME charset, so it
;; should be re-named and fixed (in Emacs) to offer completion only on
;; no-MULE XEmacs:
(car (memq cs (mm-get-coding-system-list))))))
-(defun mm-codepage-setup (number &optional alias)
- "Create a coding system cpNUMBER.
-The coding system is created using `codepage-setup'. If ALIAS is
-non-nil, an alias is created and added to
-`mm-charset-synonym-alist'. If ALIAS is a string, it's used as
-the alias. Else windows-NUMBER is used."
- (interactive
- (let ((completion-ignore-case t)
- (candidates (if (fboundp 'cp-supported-codepages)
- (cp-supported-codepages)
- ;; Removed in Emacs 23 (unicode), so signal an error:
- (error "`codepage-setup' not present in this Emacs version"))))
- (list (gnus-completing-read "Setup DOS Codepage" candidates
- t nil nil "437"))))
- (when alias
- (setq alias (if (stringp alias)
- (intern alias)
- (intern (format "windows-%s" number)))))
- (let* ((cp (intern (format "cp%s" number))))
- (unless (mm-coding-system-p cp)
- (if (fboundp 'codepage-setup) ; silence compiler
- (codepage-setup number)
- (error "`codepage-setup' not present in this Emacs version")))
- (when (and alias
- ;; Don't add alias if setup of cp failed.
- (mm-coding-system-p cp))
- (add-to-list 'mm-charset-synonym-alist (cons alias cp)))))
-
(defvar mm-charset-synonym-alist
`(
;; Not in XEmacs, but it's not a proper MIME charset anyhow.
See `mm-codepage-iso-8859-list' and `mm-codepage-ibm-list'.")
+(defun mm-codepage-setup (number &optional alias)
+ "Create a coding system cpNUMBER.
+The coding system is created using `codepage-setup'. If ALIAS is
+non-nil, an alias is created and added to
+`mm-charset-synonym-alist'. If ALIAS is a string, it's used as
+the alias. Else windows-NUMBER is used."
+ (interactive
+ (let ((completion-ignore-case t)
+ (candidates (if (fboundp 'cp-supported-codepages)
+ (cp-supported-codepages)
+ ;; Removed in Emacs 23 (unicode), so signal an error:
+ (error "`codepage-setup' not present in this Emacs version"))))
+ (list (gnus-completing-read "Setup DOS Codepage" candidates
+ t nil nil "437"))))
+ (when alias
+ (setq alias (if (stringp alias)
+ (intern alias)
+ (intern (format "windows-%s" number)))))
+ (let* ((cp (intern (format "cp%s" number))))
+ (unless (mm-coding-system-p cp)
+ (if (fboundp 'codepage-setup) ; silence compiler
+ (codepage-setup number)
+ (error "`codepage-setup' not present in this Emacs version")))
+ (when (and alias
+ ;; Don't add alias if setup of cp failed.
+ (mm-coding-system-p cp))
+ (add-to-list 'mm-charset-synonym-alist (cons alias cp)))))
+
(defcustom mm-codepage-iso-8859-list
(list 1250 ;; Windows-1250 is a variant of Latin-2 heavily used by Microsoft
;; Outlook users in Czech republic. Use this to allow reading of
;; Cf. http://thread.gmane.org/v9lkng5nwy.fsf@marauder.physik.uni-ulm.de
"List of IBM codepage numbers.
-The codepage mappings slighly differ between IBM and other vendors.
+The codepage mappings slightly differ between IBM and other vendors.
See \"ftp://ftp.unicode.org/Public/MAPPINGS/VENDORS/IBM/README.TXT\".
If an element is a number corresponding to a supported windows
(let ((cs (cdr (assq charset mm-charset-override-alist))))
(and cs (mm-coding-system-p cs) cs))))
;; ascii
- ((eq charset 'us-ascii)
+ ((or (eq charset 'us-ascii)
+ (string-match "ansi.x3.4" (symbol-name charset)))
'ascii)
;; Check to see whether we can handle this charset. (This depends
;; on there being some coding system matching each `mime-charset'
Setting it to nil is useful on Emacsen supporting Unicode if sending
mail with multiple parts is preferred to sending a Unicode one.")
+(defvar mm-extra-numeric-entities
+ (mapcar
+ (lambda (item)
+ (cons (car item) (mm-ucs-to-char (cdr item))))
+ '((#x80 . #x20AC) (#x82 . #x201A) (#x83 . #x0192) (#x84 . #x201E)
+ (#x85 . #x2026) (#x86 . #x2020) (#x87 . #x2021) (#x88 . #x02C6)
+ (#x89 . #x2030) (#x8A . #x0160) (#x8B . #x2039) (#x8C . #x0152)
+ (#x8E . #x017D) (#x91 . #x2018) (#x92 . #x2019) (#x93 . #x201C)
+ (#x94 . #x201D) (#x95 . #x2022) (#x96 . #x2013) (#x97 . #x2014)
+ (#x98 . #x02DC) (#x99 . #x2122) (#x9A . #x0161) (#x9B . #x203A)
+ (#x9C . #x0153) (#x9E . #x017E) (#x9F . #x0178)))
+ "*Alist of extra numeric entities and characters other than ISO 10646.
+This table is used for decoding extra numeric entities to characters,
+like \"€\" to the euro sign, mainly in html messages.")
+
;;; Internal variables:
;;; Functions:
(defun mm-charset-after (&optional pos)
"Return charset of a character in current buffer at position POS.
-If POS is nil, it defauls to the current point.
+If POS is nil, it defaults to the current point.
If POS is out of range, the value is nil.
If the charset is `composition', return the actual one."
(let ((char (char-after pos)) charset)
;; This is for XEmacs.
(mm-mule-charset-to-mime-charset charset)))
+;; `delete-dups' is not available in XEmacs 21.4.
(if (fboundp 'delete-dups)
(defalias 'mm-delete-duplicates 'delete-dups)
(defun mm-delete-duplicates (list)
(unless filename
(setq filename buffer-file-name))
(save-excursion
- (let ((decomp (unless ;; No worth to examine charset of tar files.
+ (let ((decomp (unless ;; Not worth it to examine charset of tar files.
(and filename
(string-match
"\\.\\(?:tar\\.[^.]+\\|tbz\\|tgz\\)\\'"
(insert decomp)
(setq filename (file-name-sans-extension filename)))
(goto-char (point-min))
- (prog1
+ (unwind-protect
(cond
((boundp 'set-auto-coding-function) ;; Emacs
(if filename
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