-;;;
-;;; emu-nemacs.el --- Mule 2 emulation module for NEmacs
-;;;
-;;; Copyright (C) 1995 Free Software Foundation, Inc.
-;;; Copyright (C) 1993 .. 1996 MORIOKA Tomohiko
-;;;
-;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; modified by KOBAYASHI Shuhei <shuhei-k@jaist.ac.jp>
-;;; Version:
-;;; $Id: emu-nemacs.el,v 7.15 1996/04/27 13:36:32 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. If not, write to the Free Software
-;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-;;;
+;;; 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)
;;; @ character set
;;;
-(defconst lc-ascii 0)
-(defconst lc-jp 146)
+(put 'ascii
+ 'charset-description "Character set of ASCII")
+(put 'ascii
+ 'charset-registry "ASCII")
-(defun char-charset (chr)
- "Return the character set of char CHR.
-\[emu-nemacs.el; XEmacs 20 emulating function]"
- (if (< chr 128)
- lc-ascii
- lc-jp))
+(put 'japanese-jisx0208
+ 'charset-description "Character set of JIS X0208-1983")
+(put 'japanese-jisx0208
+ 'charset-registry "JISX0208.1983")
+
+(defun charset-description (charset)
+ "Return description of CHARSET. [emu-nemacs.el]"
+ (get charset 'charset-description)
+ )
+
+(defun charset-registry (charset)
+ "Return registry name of CHARSET. [emu-nemacs.el]"
+ (get charset 'charset-registry)
+ )
+
+(defun charset-width (charset)
+ "Return number of columns a CHARSET occupies when displayed.
+\[emu-nemacs.el]"
+ (if (eq charset 'ascii)
+ 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 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)
+ len)
+ (setq len (length str))
+ (catch 'label
+ (while (< i len)
+ (if (>= (elt str i) 128)
+ (throw 'label nil))
+ (setq i (+ i 1))
+ )
+ str)))
+
+;;; @@ for old MULE emulation
+;;;
-(defalias 'char-leading-char 'char-charset)
+;;(defconst lc-ascii 0)
+;;(defconst lc-jp 146)
;;; @ coding system
(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,
(convert-string-kanji-code str ic oc)
str))
-(defun decode-coding-string (str coding-system)
- "Decode the string STR which is encoded in CODING-SYSTEM.
-\[emu-nemacs.el; XEmacs 20 emulating function]"
- (convert-string-kanji-code str coding-system 3)
- )
-
-(defun encode-coding-string (str coding-system)
- "Encode the string STR which is encoded in CODING-SYSTEM.
-\[emu-nemacs.el; XEmacs 20 emulating function]"
- (convert-string-kanji-code str 3 coding-system)
- )
-
(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 (not (eq ic oc))
- (convert-region-kanji-code beg end ic oc)
+ (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)
))
-(defun decode-coding-region (start end coding-system &optional buffer)
- "Decode the text between START and END which is encoded in CODING-SYSTEM.
-\[emu-nemacs.el; XEmacs 20 emulating function]"
- (save-excursion
- (if buffer
- (set-buffer buffer)
- )
- (convert-region-kanji-code start end coding-system 3)
+(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 encode-coding-region (start end coding-system &optional buffer)
- "Encode the text between START and END which is encoded in CODING-SYSTEM.
-\[emu-mule.el; XEmacs 20 emulating function]"
- (save-excursion
- (if buffer
- (set-buffer buffer)
- )
- (convert-region-kanji-code start end 3 coding-system)
+(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)
))
-(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]"
+
+;;; @ 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)
))
- *euc-japan*
- ))
-
-(defun set-file-coding-system (coding-system &optional force)
- (set-kanji-fileio-code coding-system)
- )
-
-
-;;; @ character and string
+ 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)
+ '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 (chr)
- "Return number of columns CHAR will occupy when displayed.
-\[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))
-(defun string-width (str)
- "Return number of columns STRING will occupy.
-\[emu-nemacs.el; Mule emulating function]"
- (length str))
+(defalias 'char-length 'char-bytes)
+
+(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.
(fset 'string-to-int-list (symbol-function 'string-to-char-list))
-(defun find-charset-string (str)
- "Return a list of leading-chars in the string.
-\[emu-nemacs.el; Mule emulating function]"
- (if (string-match "[\200-\377]" str)
- (list lc-jp)
- ))
-
-(defun find-charset-region (start end)
- "Return a list of leading-chars 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)))
-
;;; Imported from Mule-2.3
(defun truncate-string (str width &optional start-column)
"Truncate STR to fit in WIDTH columns.
""
(while (< column start-column)
(setq ch (aref str from)
- column (+ column (char-width ch))
+ 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-width ch))
+ 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
;;;
-(setq tl:available-face-attribute-alist
- '(
- ;;(bold . inversed-region)
- (italic . underlined-region)
- (underline . underlined-region)
- ))
+(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
;;;