-;;; emu-x20.el --- emu API implementation for XEmacs 20 with mule
+;;; emu-x20.el --- emu API implementation for XEmacs with mule
-;; Copyright (C) 1994,1995,1996,1997 MORIOKA Tomohiko
+;; Copyright (C) 1994,1995,1996,1997,1998 MORIOKA Tomohiko
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: emu-x20.el,v 7.46 1997/01/29 15:02:16 morioka Exp $
;; Keywords: emulation, compatibility, Mule, XEmacs
-;; This file is part of XEmacs.
+;; This file is part of emu.
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU XEmacs; see the file COPYING. If not, write to the
+;; 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.
+;;; Commentary:
+
+;; This module requires XEmacs 20.3-b5 or later with mule.
+
;;; Code:
-(require 'cyrillic)
-(require 'emu-xemacs)
+(require 'emu-20)
-(defvar xemacs-beta-version
- (if (string-match "(beta\\([0-9]+\\))" emacs-version)
- (string-to-number
- (substring emacs-version (match-beginning 1)(match-end 1))
- )))
+;;; @ fix coding-system definition
+;;;
-;;; @ coding-system
+;; It seems not bug, but I can not permit it...
+(and (coding-system-property 'iso-2022-jp 'input-charset-conversion)
+ (copy-coding-system 'iso-2022-7bit 'iso-2022-jp))
+
+;; Redefine if -{dos|mac|unix} is not found.
+(or (find-coding-system 'raw-text-dos)
+ (copy-coding-system 'no-conversion-dos 'raw-text-dos))
+(or (find-coding-system 'raw-text-mac)
+ (copy-coding-system 'no-conversion-mac 'raw-text-mac))
+(or (find-coding-system 'raw-text-unix)
+ (copy-coding-system 'no-conversion-unix 'raw-text-unix))
+
+(or (find-coding-system 'ctext-dos)
+ (make-coding-system
+ 'ctext 'iso2022
+ "Coding-system used in X as Compound Text Encoding."
+ '(charset-g0 ascii charset-g1 latin-iso8859-1
+ eol-type nil
+ mnemonic "CText")))
+
+(or (find-coding-system 'iso-2022-jp-2-dos)
+ (make-coding-system
+ 'iso-2022-jp-2 'iso2022
+ "ISO-2022 coding system using SS2 for 96-charset in 7-bit code."
+ '(charset-g0 ascii
+ charset-g2 t ;; unspecified but can be used later.
+ seven t
+ short t
+ mnemonic "ISO7/SS2"
+ eol-type nil)))
+
+(or (find-coding-system 'euc-kr-dos)
+ (make-coding-system
+ 'euc-kr 'iso2022
+ "Coding-system of Korean EUC (Extended Unix Code)."
+ '(charset-g0 ascii charset-g1 korean-ksc5601
+ mnemonic "ko/EUC"
+ eol-type nil)))
+
+
+;;; @ CCL
;;;
-(defconst *noconv* 'no-conversion)
-(defconst *ctext* 'ctext)
-(defconst *hz* 'hz)
-(defconst *big5* 'big5)
-(defconst *euc-kr* 'euc-kr)
-(defconst *koi8* 'koi8)
+(defun make-ccl-coding-system (name mnemonic doc-string decoder encoder)
+ (make-coding-system
+ name 'ccl doc-string
+ (list 'mnemonic (char-to-string mnemonic)
+ 'decode (symbol-value decoder)
+ 'encode (symbol-value encoder))))
-(defalias 'set-buffer-file-coding-system 'set-file-coding-system)
-(defmacro as-binary-process (&rest body)
- `(let (selective-display ; Disable ^M to nl translation.
- process-input-coding-system
- process-output-coding-system)
- ,@body))
+;;; @ without code-conversion
+;;;
-(defmacro as-binary-input-file (&rest body)
- `(let ((file-coding-system-for-read 'no-conversion))
- ,@body))
+(define-obsolete-function-alias 'insert-binary-file-contents
+ 'insert-file-contents-as-binary)
+
+(defun insert-binary-file-contents-literally (filename
+ &optional visit beg end replace)
+ "Like `insert-file-contents-literally', q.v., but don't code conversion.
+A buffer may be modified in several ways after reading into the buffer due
+to advanced Emacs features, such as file-name-handlers, format decoding,
+find-file-hooks, etc.
+ This function ensures that none of these modifications will take place."
+ (let ((coding-system-for-read 'binary))
+ ;; Returns list absolute file name and length of data inserted.
+ (insert-file-contents-literally filename visit beg end replace)))
+
+
+;;; @ MIME charset
+;;;
-(defmacro as-binary-output-file (&rest body)
- `(let ((file-coding-system 'no-conversion))
- ,@body))
+(defun encode-mime-charset-region (start end charset)
+ "Encode the text between START and END as MIME CHARSET."
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (if cs
+ (encode-coding-region start end cs)
+ )))
+(defcustom mime-charset-decoder-alist
+ '((iso-2022-jp . decode-mime-charset-region-with-iso646-unification)
+ (iso-2022-jp-2 . decode-mime-charset-region-with-iso646-unification)
+ (x-ctext . decode-mime-charset-region-with-iso646-unification)
+ (hz-gb-2312 . decode-mime-charset-region-for-hz)
+ (t . decode-mime-charset-region-default))
+ "Alist MIME-charset vs. decoder function."
+ :group 'i18n
+ :type '(repeat (cons mime-charset function)))
+
+(defsubst decode-mime-charset-region-default (start end charset lbt)
+ (let ((cs (mime-charset-to-coding-system charset lbt)))
+ (if cs
+ (decode-coding-region start end cs)
+ )))
+
+(defcustom mime-iso646-character-unification-alist
+ `,(let (dest
+ (i 33))
+ (while (< i 92)
+ (setq dest
+ (cons (cons (char-to-string (make-char 'latin-jisx0201 i))
+ (format "%c" i))
+ dest))
+ (setq i (1+ i)))
+ (setq i 93)
+ (while (< i 126)
+ (setq dest
+ (cons (cons (char-to-string (make-char 'latin-jisx0201 i))
+ (format "%c" i))
+ dest))
+ (setq i (1+ i)))
+ (nreverse dest))
+ "Alist unified string vs. canonical string."
+ :group 'i18n
+ :type '(repeat (cons string string)))
+
+(defcustom mime-unified-character-face nil
+ "*Face of unified character."
+ :group 'i18n
+ :type 'face)
+
+(defcustom mime-character-unification-limit-size 2048
+ "*Limit size to unify characters."
+ :group 'i18n
+ :type 'integer)
+
+(defun decode-mime-charset-region-with-iso646-unification (start end charset
+ lbt)
+ (decode-mime-charset-region-default start end charset lbt)
+ (if (<= (- end start) mime-character-unification-limit-size)
+ (save-excursion
+ (let ((rest mime-iso646-character-unification-alist))
+ (while rest
+ (let ((pair (car rest)))
+ (goto-char (point-min))
+ (while (search-forward (car pair) nil t)
+ (let ((str (cdr pair)))
+ (put-text-property 0 (length str)
+ 'face mime-unified-character-face str)
+ (replace-match str 'fixed-case 'literal)
+ )
+ ))
+ (setq rest (cdr rest)))))
+ ))
+
+(defun decode-mime-charset-region-for-hz (start end charset lbt)
+ (if lbt
+ (save-restriction
+ (narrow-to-region start end)
+ (decode-coding-region (point-min)(point-max)
+ (mime-charset-to-coding-system 'raw-text lbt))
+ (decode-hz-region (point-min)(point-max)))
+ (decode-hz-region start end)))
+
+(defun decode-mime-charset-region (start end charset &optional lbt)
+ "Decode the text between START and END as MIME CHARSET."
+ (if (stringp charset)
+ (setq charset (intern (downcase charset)))
+ )
+ (let ((func (cdr (or (assq charset mime-charset-decoder-alist)
+ (assq t mime-charset-decoder-alist)))))
+ (funcall func start end charset lbt)))
+
+(defsubst encode-mime-charset-string (string charset)
+ "Encode the STRING as MIME CHARSET."
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (if cs
+ (encode-coding-string string cs)
+ string)))
+
+;; (defsubst decode-mime-charset-string (string charset)
+;; "Decode the STRING as MIME CHARSET."
+;; (let ((cs (mime-charset-to-coding-system charset)))
+;; (if cs
+;; (decode-coding-string string cs)
+;; string)))
+(defun decode-mime-charset-string (string charset &optional lbt)
+ "Decode the STRING as MIME CHARSET."
+ (with-temp-buffer
+ (insert string)
+ (decode-mime-charset-region (point-min)(point-max) charset lbt)
+ (buffer-string)))
-;;; @ MIME charset
-;;;
(defvar charsets-mime-charset-alist
'(((ascii) . us-ascii)
((ascii latin-iso8859-2) . iso-8859-2)
((ascii latin-iso8859-3) . iso-8859-3)
((ascii latin-iso8859-4) . iso-8859-4)
-;;; ((ascii cyrillic-iso8859-5) . iso-8859-5)
- ((ascii cyrillic-iso8859-5) . koi8-r)
+ ((ascii cyrillic-iso8859-5) . iso-8859-5)
+;;; ((ascii cyrillic-iso8859-5) . koi8-r)
((ascii arabic-iso8859-6) . iso-8859-6)
((ascii greek-iso8859-7) . iso-8859-7)
((ascii hebrew-iso8859-8) . iso-8859-8)
((ascii latin-iso8859-9) . iso-8859-9)
((ascii latin-jisx0201
japanese-jisx0208-1978 japanese-jisx0208) . iso-2022-jp)
+ ((ascii latin-jisx0201
+ katakana-jisx0201 japanese-jisx0208) . shift_jis)
((ascii korean-ksc5601) . euc-kr)
((ascii chinese-gb2312) . cn-gb-2312)
((ascii chinese-big5-1 chinese-big5-2) . cn-big5)
chinese-cns11643-7) . iso-2022-int-1)
))
-(defvar default-mime-charset 'x-ctext)
-
-(defvar mime-charset-coding-system-alist
- '((iso-8859-1 . ctext)
- (x-ctext . ctext)
- (hz-gb-2312 . hz)
- (cn-gb-2312 . euc-china)
- (gb2312 . euc-china)
- (cn-big5 . big5)
- (koi8-r . koi8)
- (iso-2022-jp-2 . iso-2022-ss2-7)
- ))
-
-(defun mime-charset-to-coding-system (charset)
- "Return coding-system by MIME charset. [emu-x20.el]"
- (if (stringp charset)
- (setq charset (intern (downcase charset)))
- )
- (or (cdr (assq charset mime-charset-coding-system-alist))
- (and (memq charset (coding-system-list)) charset)
- ))
-
-(defun detect-mime-charset-region (start end)
- "Return MIME charset for region between START and END.
-\[emu-x20.el]"
- (charsets-to-mime-charset (charsets-in-region start end)))
-
-(defun encode-mime-charset-region (start end charset)
- "Encode the text between START and END as MIME CHARSET.
-\[emu-x20.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
- (if cs
- (encode-coding-region start end cs)
- )))
-
-(defun decode-mime-charset-region (start end charset)
- "Decode the text between START and END as MIME CHARSET.
-\[emu-x20.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
- (if cs
- (decode-coding-region start end cs)
- )))
-(defun encode-mime-charset-string (string charset)
- "Encode the STRING as MIME CHARSET. [emu-x20.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
- (if cs
- (encode-coding-string string cs)
- string)))
+;;; @ buffer representation
+;;;
-(defun decode-mime-charset-string (string charset)
- "Decode the STRING as MIME CHARSET. [emu-x20.el]"
- (let ((cs (mime-charset-to-coding-system charset)))
- (if cs
- (decode-coding-string string cs)
- string)))
+(defsubst-maybe set-buffer-multibyte (flag)
+ "Set the multibyte flag of the current buffer to FLAG.
+If FLAG is t, this makes the buffer a multibyte buffer.
+If FLAG is nil, this makes the buffer a single-byte buffer.
+The buffer contents remain unchanged as a sequence of bytes
+but the contents viewed as characters do change.
+\[Emacs 20.3 emulating function]"
+ flag)
;;; @ character
;;;
-;; (defun char-bytes (chr) 1)
-
-;; (defun char-length (character)
-;; "Return number of elements a CHARACTER occupies in a string or buffer.
-;; \[emu-x20.el]"
-;; 1)
+;; avoid bug of XEmacs
+(or (integerp (cdr (split-char ?a)))
+ (defun split-char (char)
+ "Return list of charset and one or two position-codes of CHAR."
+ (let ((charset (char-charset char)))
+ (if (eq charset 'ascii)
+ (list charset (char-int char))
+ (let ((i 0)
+ (len (charset-dimension charset))
+ (code (if (integerp char)
+ char
+ (char-int char)))
+ dest)
+ (while (< i len)
+ (setq dest (cons (logand code 127) dest)
+ code (lsh code -7)
+ i (1+ i)))
+ (cons charset dest)))))
+ )
-;; (defun char-columns (character)
-;; "Return number of columns a CHARACTER occupies when displayed.
-;; \[emu-x20.el]"
-;; (charset-columns (char-charset character))
-;; )
+(defmacro char-next-index (char index)
+ "Return index of character succeeding CHAR whose index is INDEX."
+ `(1+ ,index))
;;; @@ Mule emulating aliases
;;;
;;; You should not use them.
-;;(defalias 'char-width 'char-columns)
-
-(defalias 'char-leading-char 'char-charset)
+;;(defalias 'char-leading-char 'char-charset)
(defun char-category (character)
"Return string of category mnemonics for CHAR in TABLE.
CHAR can be any multilingual character
-TABLE defaults to the current buffer's category table.
-\[emu-x20.el; Mule emulating function]"
+TABLE defaults to the current buffer's category table."
(mapconcat (lambda (chr)
- (char-to-string (int-char chr))
- )
+ (char-to-string (int-char chr)))
(char-category-list character)
""))
;;; @ string
;;;
-;; (defun string-columns (string)
-;; "Return number of columns STRING occupies when displayed.
-;; \[emu-x20.el]"
-;; (let ((col 0)
-;; (len (length string))
-;; (i 0))
-;; (while (< i len)
-;; (setq col (+ col (char-columns (aref string i))))
-;; (setq i (1+ i))
-;; )
-;; col))
-
-;;(defalias 'string-width 'string-columns)
-
(defun string-to-int-list (str)
- (mapcar #'char-int str)
- )
-
-;;(defalias 'sref 'aref)
-
-;; (defun truncate-string (str width &optional start-column)
-;; "Truncate STR to fit in WIDTH columns.
-;; Optional non-nil arg START-COLUMN specifies the starting column.
-;; \[emu-x20.el; Mule 2.3 emulating function]"
-;; (or start-column
-;; (setq start-column 0))
-;; (substring str start-column width)
-;; )
+ (mapcar #'char-int str))
+
+(defalias 'looking-at-as-unibyte 'looking-at)
;;; @ end
projects / elisp / apel.git / blobdiff