-;;;
-;;; 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 6.1 1995/09/21 00:07:24 morioka Exp $
-;;; Keywords: emulation, compatibility, NEmacs, Mule
-;;;
-;;; This file is part of tl and tm (Tools for MIME).
-;;;
+;;; emu-nemacs.el --- emu API implementation for NEmacs
+
+;; Copyright (C) 1995,1996,1997,1998 MORIOKA Tomohiko
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Keywords: emulation, compatibility, NEmacs, mule
+
+;; 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
+;; 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 Emacs; 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))
+(put 'ascii
+ 'charset-description "Character set of ASCII")
+(put 'ascii
+ 'charset-registry "ASCII")
-(defconst *junet* 2)
-(defconst *internal* 3)
-(defconst *euc-japan* 3)
+(put 'japanese-jisx0208
+ 'charset-description "Character set of JIS X0208-1983")
+(put 'japanese-jisx0208
+ 'charset-registry "JISX0208.1983")
-(defconst lc-ascii 0)
-(defconst lc-jp 146)
+(defun charset-description (charset)
+ "Return description of CHARSET. [emu-nemacs.el]"
+ (get charset 'charset-description)
+ )
-;; 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 charset-registry (charset)
+ "Return registry name of CHARSET. [emu-nemacs.el]"
+ (get charset 'charset-registry)
+ )
-(defun char-bytes (chr)
- "Return number of bytes CHAR will occupy in a buffer.
- [Mule compatible function in tm-nemacs]"
- (if (< chr 128) 1 2))
+(defun charset-width (charset)
+ "Return number of columns a CHARSET occupies when displayed.
+\[emu-nemacs.el]"
+ (if (eq charset 'ascii)
+ 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))
+(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 code-convert-string (str ic oc)
- "Convert code in STRING from SOURCE code to TARGET code,
-On successful converion, returns the result string,
-else returns nil. [Mule compatible function in tm-nemacs]"
- (if (not (eq ic oc))
- (convert-string-kanji-code str ic oc)
- str))
+(defun find-charset-string (str)
+ "Return a list of charsets in the string.
+\[emu-nemacs.el; Mule emulating function]"
+ (if (string-match "[\200-\377]" str)
+ '(japanese-jisx0208)
+ ))
+
+(defalias 'find-non-ascii-charset-string 'find-charset-string)
+
+(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)
+ ))
+ '(japanese-jisx0208)
+ ))
+
+(defalias 'find-non-ascii-charset-region 'find-charset-region)
(defun check-ASCII-string (str)
(let ((i 0)
)
str)))
-(defun get-lc (chr)
- "Return leading character of CHAR or LEADING-CHARACTER."
+;;; @@ for old MULE emulation
+;;;
+
+;;(defconst lc-ascii 0)
+;;(defconst lc-jp 146)
+
+
+;;; @ coding system
+;;;
+
+(defconst *noconv* 0)
+(defconst *sjis* 1)
+(defconst *junet* 2)
+(defconst *ctext* 2)
+(defconst *internal* 3)
+(defconst *euc-japan* 3)
+
+(defun decode-coding-string (string coding-system)
+ "Decode the STRING which is encoded in CODING-SYSTEM.
+\[emu-nemacs.el; EMACS 20 emulating function]"
+ (if (eq coding-system 3)
+ string
+ (convert-string-kanji-code string coding-system 3)
+ ))
+
+(defun encode-coding-string (string coding-system)
+ "Encode the STRING to CODING-SYSTEM.
+\[emu-nemacs.el; EMACS 20 emulating function]"
+ (if (eq coding-system 3)
+ string
+ (convert-string-kanji-code string 3 coding-system)
+ ))
+
+(defun decode-coding-region (start end coding-system)
+ "Decode the text between START and END which is encoded in CODING-SYSTEM.
+\[emu-nemacs.el; EMACS 20 emulating function]"
+ (if (/= ic oc)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (convert-region-kanji-code start end coding-system 3)
+ ))))
+
+(defun encode-coding-region (start end coding-system)
+ "Encode the text between START and END to CODING-SYSTEM.
+\[emu-nemacs.el; EMACS 20 emulating function]"
+ (if (/= ic oc)
+ (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (convert-region-kanji-code start end 3 coding-system)
+ ))))
+
+(defun detect-coding-region (start end)
+ "Detect coding-system of the text in the region between START and END.
+\[emu-nemacs.el; Emacs 20 emulating function]"
+ (if (save-excursion
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char start)
+ (re-search-forward "[\200-\377]" nil t)
+ ))
+ *euc-japan*
+ ))
+
+(defalias 'set-buffer-file-coding-system 'set-kanji-fileio-code)
+
+(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)
+ )))
+
+(defmacro as-binary-input-file (&rest body)
+ (` (let (kanji-flag)
+ (,@ body)
+ )))
+
+(defmacro as-binary-output-file (&rest body)
+ (` (let (kanji-flag)
+ (,@ body)
+ )))
+
+
+;;; @@ for old MULE emulation
+;;;
+
+(defun code-convert-string (str ic oc)
+ "Convert code in STRING from SOURCE code to TARGET code,
+On successful converion, returns the result string,
+else returns nil. [emu-nemacs.el; Mule emulating function]"
+ (if (not (eq 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)
+ ))))
+
+
+;;; @ binary access
+;;;
+
+(defun insert-file-contents-as-binary (filename
+ &optional visit beg end replace)
+ "Like `insert-file-contents', q.v., but don't character code conversion.
+\[emu-nemacs.el]"
+ (let (kanji-flag)
+ (insert-file-contents filename visit beg end replace)
+ ))
+
+(fset '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.
+\[emu-nemacs.el]"
+ (let (kanji-flag)
+ (insert-file-contents-literally filename visit beg end replace)
+ ))
+
+(defun write-region-as-binary (start end filename
+ &optional append visit lockname)
+ "Like `write-region', q.v., but don't code conversion. [emu-nemacs.el]"
+ (let (kanji-flag)
+ (write-region start end filename append visit)
+ ))
+
+
+;;; @ MIME charset
+;;;
+
+(defvar charsets-mime-charset-alist
+ '(((ascii) . us-ascii)))
+
+(defvar default-mime-charset 'iso-2022-jp)
+
+(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; MULE emulating function]"
(if (< chr 128)
- lc-ascii
- lc-jp))
+ 'ascii
+ 'japanese-jisx0208))
+
+(defun char-bytes (chr)
+ "Return number of bytes CHAR will occupy in a buffer.
+\[emu-nemacs.el; Mule emulating function]"
+ (if (< chr 128) 1 2))
+
+(defun char-width (char)
+ "Return number of columns a CHAR occupies when displayed.
+\[emu-nemacs.el]"
+ (if (< char 128)
+ 1
+ 2))
+
+(defalias 'char-length 'char-bytes)
-(setq tl:available-face-attribute-alist
- '(
- ;;(bold . inversed-region)
- (italic . underlined-region)
- (underline . underlined-region)
- ))
+(defmacro char-next-index (char index)
+ "Return index of character succeeding CHAR whose index is INDEX."
+ (` (+ (, index) (char-bytes (, char)))))
+
+
+;;; @ string
+;;;
+
+(defalias 'string-width 'length)
+
+(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)
+ (while (< i len)
+ (setq chr (aref str i))
+ (if (>= chr 128)
+ (setq i (1+ i)
+ chr (+ (lsh chr 8) (aref str i))
+ ))
+ (setq dest (cons chr dest))
+ (setq i (1+ i))
+ )
+ (reverse dest)
+ ))
+
+(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))))
+
+;;; @@ obsoleted aliases
+;;;
+;;; You should not use them.
+
+(defalias 'string-columns 'length)
+
+
+;;; @ text property emulation
+;;;
+
+(defvar emu:available-face-attribute-alist
+ '(
+ ;;(bold . inversed-region)
+ (italic . underlined-region)
+ (underline . underlined-region)
+ ))
;; by YAMATE Keiichirou 1994/10/28
(defun attribute-add-narrow-attribute (attr from to)
(setcdr (nthcdr posfrom attr-value)
(nthcdr posto attr-value)))))
-(defalias 'tl:make-overlay 'cons)
+(defalias 'make-overlay 'cons)
-(defun tl:overlay-put (overlay prop value)
+(defun overlay-put (overlay prop value)
(let ((ret (and (eq prop 'face)
- (assq value tl:available-face-attribute-alist)
+ (assq value emu:available-face-attribute-alist)
)))
(if ret
(attribute-add-narrow-attribute (cdr ret)
(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