-;;;
;;; emu-nemacs.el --- Mule 2 emulation module for NEmacs
-;;;
-;;; Copyright (C) 1995 Free Software Foundation, Inc.
-;;; Copyright (C) 1994,1995 MORIOKA Tomohiko
-;;;
-;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Version:
-;;; $Id: emu-nemacs.el,v 7.1 1995/10/11 11:49:55 morioka Exp $
-;;; Keywords: emulation, compatibility, NEmacs, Mule
-;;;
-;;; This file is part of tl and tm (Tools for MIME).
-;;;
+
+;; Copyright (C) 1995,1996 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Version:
+;; $Id: emu-nemacs.el,v 7.40 1996/08/18 06:39:40 morioka Exp $
+;; Keywords: emulation, compatibility, NEmacs, mule
+
+;; 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 this program; 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 'emu-18)
-;;; @ constants
+;;; @ character set
;;;
-(defconst emacs-major-version (string-to-int emacs-version))
+(defconst charset-ascii 0 "Character set of ASCII")
+(defconst charset-jisx0208 146 "Character set of JIS X0208-1983")
+(defun charset-description (charset)
+ "Return description of CHARSET. [emu-nemacs.el]"
+ (if (< charset 128)
+ (documentation-property 'charset-ascii 'variable-documentation)
+ (documentation-property 'charset-jisx0208 'variable-documentation)
+ ))
-;;; @ leading-char
-;;;
+(defun charset-registry (charset)
+ "Return registry name of CHARSET. [emu-nemacs.el]"
+ (if (< charset 128)
+ "ASCII"
+ "JISX0208.1983"))
-(defconst lc-ascii 0)
-(defconst lc-jp 146)
+(defun charset-columns (charset)
+ "Return number of columns a CHARSET occupies when displayed.
+\[emu-nemacs.el]"
+ (if (< charset 128)
+ 1
+ 2))
+
+(defun charset-direction (charset)
+ "Return the direction of a character of CHARSET by
+ 0 (left-to-right) or 1 (right-to-left). [emu-nemacs.el]"
+ 0)
-(defun char-leading-char (chr)
- "Return leading character of CHAR.
+(defun find-charset-string (str)
+ "Return a list of charsets in the string.
\[emu-nemacs.el; Mule emulating function]"
- (if (< chr 128)
- lc-ascii
- lc-jp))
+ (if (string-match "[\200-\377]" str)
+ (list lc-jp)
+ ))
+
+(defun find-charset-region (start end)
+ "Return a list of charsets in the region between START and END.
+\[emu-nemacs.el; Mule emulating function]"
+ (if (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char start)
+ (re-search-forward "[\200-\377]" nil t)
+ ))
+ (list lc-jp)
+ ))
+
+(defun check-ASCII-string (str)
+ (let ((i 0)
+ len)
+ (setq len (length str))
+ (catch 'label
+ (while (< i len)
+ (if (>= (elt str i) 128)
+ (throw 'label nil))
+ (setq i (+ i 1))
+ )
+ str)))
-(defalias 'get-lc 'char-leading-char)
+;;; @@ for Mule emulation
+;;;
+
+(defconst lc-ascii 0)
+(defconst lc-jp 146)
-;;; @ coding-system
+;;; @ coding system
;;;
-(defconst *junet* 2)
-(defconst *internal* 3)
+(defconst *noconv* 0)
+(defconst *sjis* 1)
+(defconst *junet* 2)
+(defconst *ctext* 2)
+(defconst *internal* 3)
(defconst *euc-japan* 3)
(defun code-convert-string (str ic oc)
(convert-string-kanji-code str ic oc)
str))
+(defun code-convert-region (beg end ic oc)
+ "Convert code of the text between BEGIN and END from SOURCE
+to TARGET. On successful conversion returns t,
+else returns nil. [emu-nemacs.el; Mule emulating function]"
+ (if (/= ic oc)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region beg end)
+ (convert-region-kanji-code beg end ic oc)
+ ))))
+
+(defun decode-coding-string (string coding-system)
+ "Decode the STRING which is encoded in CODING-SYSTEM.
+\[emu-nemacs.el]"
+ (if (eq coding-system 3)
+ string
+ (convert-string-kanji-code string coding-system 3)
+ ))
+
+(defun code-detect-region (start end)
+ "Detect coding-system of the text in the region between START and END.
+\[emu-nemacs.el; Mule emulating function]"
+ (if (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char start)
+ (re-search-forward "[\200-\377]" nil t)
+ ))
+ *euc-japan*
+ ))
+
+(defun set-file-coding-system (coding-system &optional force)
+ (set-kanji-fileio-code coding-system)
+ )
+
+(defmacro as-binary-process (&rest body)
+ (` (let (selective-display ; Disable ^M to nl translation.
+ ;; NEmacs
+ kanji-flag
+ (default-kanji-process-code 0)
+ program-kanji-code-alist)
+ (,@ body)
+ )))
+
+
+;;; @ MIME charset
+;;;
+
+(defvar charsets-mime-charset-alist
+ (list (cons (list charset-ascii) 'us-ascii)))
+
+(defvar default-mime-charset 'iso-2022-jp)
-;;; @ character and string
+(defvar mime-charset-coding-system-alist
+ '((iso-2022-jp . 2)
+ (shift_jis . 1)
+ ))
+
+(defun mime-charset-to-coding-system (charset)
+ (if (stringp charset)
+ (setq charset (intern (downcase charset)))
+ )
+ (cdr (assq charset mime-charset-coding-system-alist))
+ )
+
+(defun detect-mime-charset-region (start end)
+ "Return MIME charset for region between START and END.
+\[emu-nemacs.el]"
+ (if (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char start)
+ (re-search-forward "[\200-\377]" nil t)
+ ))
+ default-mime-charset
+ 'us-ascii))
+
+(defun encode-mime-charset-region (start end charset)
+ "Encode the text between START and END as MIME CHARSET.
+\[emu-nemacs.el]"
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (and (numberp cs)
+ (or (= cs 3)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (convert-region-kanji-code start end 3 cs)
+ ))
+ ))))
+
+(defun decode-mime-charset-region (start end charset)
+ "Decode the text between START and END as MIME CHARSET.
+\[emu-nemacs.el]"
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (and (numberp cs)
+ (or (= cs 3)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (convert-region-kanji-code start end cs 3)
+ ))
+ ))))
+
+(defun encode-mime-charset-string (string charset)
+ "Encode the STRING as MIME CHARSET. [emu-nemacs.el]"
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (if cs
+ (convert-string-kanji-code string 3 cs)
+ string)))
+
+(defun decode-mime-charset-string (string charset)
+ "Decode the STRING as MIME CHARSET. [emu-nemacs.el]"
+ (let ((cs (mime-charset-to-coding-system charset)))
+ (if cs
+ (convert-string-kanji-code string cs 3)
+ string)))
+
+
+;;; @ character
;;;
+(defun char-charset (chr)
+ "Return the character set of char CHR.
+\[emu-nemacs.el; XEmacs 20 emulating function]"
+ (if (< chr 128)
+ charset-ascii
+ charset-jisx0208))
+
(defun char-bytes (chr)
"Return number of bytes CHAR will occupy in a buffer.
- [Mule compatible function in tm-nemacs]"
+\[emu-nemacs.el; Mule emulating function]"
(if (< chr 128) 1 2))
-(defun char-width (chr)
- "Return number of columns CHAR will occupy when displayed.
- [Mule compatible function in tm-nemacs]"
- (if (< chr 128) 1 2))
+(defalias 'char-length 'char-bytes)
+
+(defun char-columns (character)
+ "Return number of columns a CHARACTER occupies when displayed.
+\[emu-nemacs.el]"
+ (if (< character 128)
+ 1
+ 2))
+
+;;; @@ for Mule emulation
+;;;
+
+(defalias 'char-leading-char 'char-charset)
+
+(defalias 'char-width 'char-columns)
+
+
+;;; @ string
+;;;
+
+(defalias 'string-columns 'length)
-;; by mol. 1993/9/26
-(defun string-width (str)
- "Return number of columns STRING will occupy.
- [Mule compatible function in tm-nemacs]"
- (length str))
+(defun sref (str idx)
+ "Return the character in STR at index IDX.
+\[emu-nemacs.el; Mule emulating function]"
+ (let ((chr (aref str idx)))
+ (if (< chr 128)
+ chr
+ (logior (lsh (aref str (1+ idx)) 8) chr)
+ )))
(defun string-to-char-list (str)
(let ((i 0)(len (length str)) dest chr)
(reverse dest)
))
-(defun find-charset-string (str)
- (if (string-match "[\200-\377]" str)
- (list lc-jp)
- ))
-
-(defun find-charset-region (start end)
- (if (save-excursion
- (save-restriction
- (narrow-to-region start end)
- (goto-char start)
- (re-search-forward "[\200-\377]" nil t)
- ))
- (list lc-jp)
- ))
+(fset 'string-to-int-list (symbol-function 'string-to-char-list))
+
+;;; Imported from Mule-2.3
+(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-mule.el; Mule 2.3 emulating function]"
+ (or start-column
+ (setq start-column 0))
+ (let ((max-width (string-width str))
+ (len (length str))
+ (from 0)
+ (column 0)
+ to-prev to ch)
+ (if (>= width max-width)
+ (setq width max-width))
+ (if (>= start-column width)
+ ""
+ (while (< column start-column)
+ (setq ch (aref str from)
+ column (+ column (char-columns ch))
+ from (+ from (char-bytes ch))))
+ (if (< width max-width)
+ (progn
+ (setq to from)
+ (while (<= column width)
+ (setq ch (aref str to)
+ column (+ column (char-columns ch))
+ to-prev to
+ to (+ to (char-bytes ch))))
+ (setq to to-prev)))
+ (substring str from to))))
+
+;;; @@ for Mule emulation
+;;;
-(defun check-ASCII-string (str)
- (let ((i 0)
- len)
- (setq len (length str))
- (catch 'label
- (while (< i len)
- (if (>= (elt str i) 128)
- (throw 'label nil))
- (setq i (+ i 1))
- )
- str)))
+(defalias 'string-width 'length)
;;; @ text property emulation
(car overlay)(cdr overlay))
)))
-(defun tl:add-text-properties (start end properties &optional object))
-
;;; @ end
;;;
(provide 'emu-nemacs)
+
+;;; emu-nemacs.el ends here
projects / elisp / apel.git / blobdiff