Mercurial > hg > xemacs-beta
view lisp/tl/emu-x20.el @ 8:4b173ad71786 r19-15b5
Import from CVS: tag r19-15b5
author | cvs |
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date | Mon, 13 Aug 2007 08:47:35 +0200 |
parents | b82b59fe008d |
children | 0293115a14e9 |
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;;; emu-x20.el --- emu API implementation for XEmacs 20 with mule ;; Copyright (C) 1995 Free Software Foundation, Inc. ;; Copyright (C) 1994,1995,1996 MORIOKA Tomohiko ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp> ;; Version: $Id: emu-x20.el,v 1.2 1996/12/22 00:29:30 steve Exp $ ;; Keywords: emulation, compatibility, Mule, XEmacs ;; This file is part of tl (Tiny Library). ;; This program 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. ;; This program 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 XEmacs; see the file COPYING. If not, write to the ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, ;; Boston, MA 02111-1307, USA. ;;; Code: (require 'cyrillic) (require 'emu-xemacs) (defvar xemacs-beta-version (if (string-match "(beta\\([0-9]+\\))" emacs-version) (string-to-number (substring emacs-version (match-beginning 1)(match-end 1)) ))) ;;; @ graphic character set ;;; (defalias 'charset-description 'charset-doc-string) (defalias 'find-charset-string 'charsets-in-string) (defalias 'find-charset-region 'charsets-in-region) (defun find-non-ascii-charset-string (string) "Return a list of charsets in the STRING except ascii. \[emu-x20.el; Mule emulating function]" (delq 'ascii (charsets-in-string string)) ) (defun find-non-ascii-charset-region (start end) "Return a list of charsets except ascii in the region between START and END. \[emu-x20.el; Mule emulating function]" (delq 'ascii (charsets-in-region start end)) ) ;;; @ coding-system ;;; (defconst *noconv* 'no-conversion) (defconst *ctext* 'ctext) (defconst *hz* 'hz) (defconst *big5* 'big5) (defconst *euc-kr* 'euc-kr) (defconst *koi8* 'koi8) (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)) (defmacro as-binary-input-file (&rest body) `(let ((file-coding-system-for-read 'no-conversion)) ,@body)) ;;; @ MIME charset ;;; (defvar charsets-mime-charset-alist '(((ascii) . us-ascii) ((ascii latin-iso8859-1) . iso-8859-1) ((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 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 japanese-jisx0208-1978 japanese-jisx0208) . iso-2022-jp) ((ascii korean-ksc5601) . euc-kr) ((ascii chinese-big5-1 chinese-big5-2) . big5) ((ascii japanese-jisx0208-1978 chinese-gb japanese-jisx0208 korean-ksc5601 japanese-jisx0212 latin-iso8859-1 greek-iso8859-7) . iso-2022-jp-2) ((ascii japanese-jisx0208-1978 chinese-gb2312 japanese-jisx0208 korean-ksc5601 japanese-jisx0212 chinese-cns11643-1 chinese-cns11643-2 latin-iso8859-1 greek-iso8859-7) . iso-2022-int-1) )) (defvar default-mime-charset 'iso-2022-int-1) (defvar mime-charset-coding-system-alist '((iso-8859-1 . ctext) (gb2312 . euc-china) (koi8-r . koi8) (iso-2022-jp-2 . iso-2022-ss2-7) (x-iso-2022-jp-2 . iso-2022-ss2-7) (shift_jis . sjis) (x-shiftjis . sjis) )) (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))) (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))) ;;; @ 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) (defun char-columns (character) "Return number of columns a CHARACTER occupies when displayed. \[emu-x20.el]" (charset-columns (char-charset character)) ) ;;; @@ Mule emulating aliases ;;; ;;; You should not use them. (defalias 'char-width 'char-columns) (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]" (mapconcat (lambda (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) ) ;;; @ end ;;; (provide 'emu-x20) ;;; emu-x20.el ends here