-;;;
-;;; emu-e19.el --- Mule 2 emulation module for Emacs 19 and XEmacs 19
-;;;
-;;; Copyright (C) 1995 Free Software Foundation, Inc.
-;;; Copyright (C) 1994 .. 1996 MORIOKA Tomohiko
-;;;
-;;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;;; Version:
-;;; $Id: emu-e19.el,v 7.20 1996/05/28 06:37:36 morioka Exp $
-;;; Keywords: emulation, compatibility, Mule, Latin-1
-;;;
-;;; 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-e19.el --- emu module for Emacs 19 and XEmacs without MULE
+
+;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Keywords: emulation, compatibility, mule, Latin-1
+
+;; 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:
;;; @ version and variant specific features
;;; @ character set
;;;
-(defconst charset-ascii 0 "Character set of ASCII")
-(defconst charset-latin-1 129 "Character set of ISO-8859-1")
+(put 'ascii 'charset-description "Character set of ASCII")
+(put 'ascii 'charset-registry "ASCII")
+
+(put 'latin-iso8859-1 'charset-description "Character set of ISO-8859-1")
+(put 'latin-iso8859-1 'charset-registry "ISO8859-1")
(defun charset-description (charset)
- "Return description of CHARSET. [emu-e19.el]"
- (if (< charset 128)
- (documentation-property 'charset-ascii 'variable-documentation)
- (documentation-property 'charset-latin-1 'variable-documentation)
- ))
+ "Return description of CHARSET."
+ (get charset 'charset-description)
+ )
(defun charset-registry (charset)
- "Return registry name of CHARSET. [emu-e19.el]"
- (if (< charset 128)
- "ASCII"
- "ISO8859-1"))
-
-(defun charset-columns (charset)
- "Return number of columns a CHARSET occupies when displayed.
-\[emu-e19.el]"
+ "Return registry name of CHARSET."
+ (get charset 'charset-registry)
+ )
+
+(defun charset-width (charset)
+ "Return number of columns a CHARSET occupies when displayed."
1)
(defun charset-direction (charset)
"Return the direction of a character of CHARSET by
- 0 (left-to-right) or 1 (right-to-left). [emu-e19.el]"
+ 0 (left-to-right) or 1 (right-to-left)."
0)
(defun find-charset-string (str)
- "Return a list of charsets in the string.
-\[emu-e19.el; Mule emulating function]"
+ "Return a list of charsets in the string."
(if (string-match "[\200-\377]" str)
- (list lc-ltn1)
+ '(latin-iso8859-1)
))
+(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-e19.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-ltn1)
+ (goto-char start)
+ (re-search-forward "[\200-\377]" end t)
+ )
+ '(latin-iso8859-1)
))
-;;; @@ for Mule emulation
-;;;
-
-(defconst lc-ascii 0)
-(defconst lc-ltn1 129)
+(defalias 'find-non-ascii-charset-region 'find-charset-region)
;;; @ coding-system
(defconst *ctext* nil)
(defconst *noconv* nil)
-(defun character-encode-string (str coding-system)
- "Encode the string STR which is encoded in CODING-SYSTEM. [emu-e19.el]"
- str)
+(defun decode-coding-string (string coding-system)
+ "Decode the STRING which is encoded in CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+ string)
-(defun character-decode-string (str coding-system)
- "Decode the string STR which is encoded in CODING-SYSTEM. [emu-e19.el]"
- str)
+(defun encode-coding-string (string coding-system)
+ "Encode the STRING as CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+ string)
-(defun character-encode-region (start end coding-system)
- "Encode the text between START and END which is
-encoded in CODING-SYSTEM. [emu-e19.el]"
- t)
+(defun decode-coding-region (start end coding-system)
+ "Decode the text between START and END which is encoded in CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+ 0)
-(defun character-decode-region (start end coding-system)
- "Decode the text between START and END which is
-encoded in CODING-SYSTEM. [emu-e19.el]"
- t)
+(defun encode-coding-region (start end coding-system)
+ "Encode the text between START and END to CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+ 0)
+
+(defun detect-coding-region (start end)
+ "Detect coding-system of the text in the region between START and END.
+\[emu-e19.el; Emacs 20 emulating function]"
+ )
+
+(defun set-buffer-file-coding-system (coding-system &optional force)
+ "Set buffer-file-coding-system of the current buffer to CODING-SYSTEM.
+\[emu-e19.el; Emacs 20 emulating function]"
+ )
+
+(defmacro as-binary-process (&rest body)
+ (` (let (selective-display) ; Disable ^M to nl translation.
+ (,@ body)
+ )))
+
+(defmacro as-binary-input-file (&rest body)
+ (` (let ((emx-binary-mode t)) ; Stop CRLF to LF conversion in OS/2
+ (,@ body)
+ )))
+
+(defmacro as-binary-output-file (&rest body)
+ (` (let ((emx-binary-mode t)) ; Stop CRLF to LF conversion in OS/2
+ (,@ 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-e19.el; Mule emulating function]"
+else returns nil. [emu-e19.el; old MULE emulating function]"
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-e19.el; Mule emulating function]"
+else returns nil. [emu-e19.el; old MULE emulating function]"
t)
-(defun code-detect-region (beg end)
- "Detect coding-system of the text in the region
-between START and END. [emu-e19.el; Mule emulating function]"
+
+;;; @ binary access
+;;;
+
+(defun insert-file-contents-as-binary (filename
+ &optional visit beg end replace)
+ "Like `insert-file-contents', q.v., but don't code and format conversion.
+Like `insert-file-contents-literary', but it allows find-file-hooks,
+automatic uncompression, etc.
+
+Namely this function ensures that only format decoding and character
+code conversion will not take place."
+ (let ((emx-binary-mode t))
+ (insert-file-contents filename visit beg end replace)
+ ))
+
+(defalias 'insert-binary-file-contents 'insert-file-contents-as-binary)
+(make-obsolete '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 ((emx-binary-mode t))
+ (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."
+ (let ((emx-binary-mode t))
+ (write-region start end filename append visit lockname)
+ ))
+
+
+;;; @ MIME charset
+;;;
+
+(defvar charsets-mime-charset-alist
+ '(((ascii) . us-ascii)))
+
+(defvar default-mime-charset 'iso-8859-1)
+
+(defun mime-charset-to-coding-system (charset)
+ (if (stringp charset)
+ (setq charset (intern (downcase charset)))
+ )
+ (and (memq charset (list 'us-ascii default-mime-charset))
+ charset)
)
-(defun set-file-coding-system (coding-system &optional force)
+(defun detect-mime-charset-region (start end)
+ "Return MIME charset for region between START and END."
+ (if (save-excursion
+ (goto-char start)
+ (re-search-forward "[\200-\377]" end t)
+ )
+ default-mime-charset
+ 'us-ascii))
+
+(defun encode-mime-charset-region (start end charset)
+ "Encode the text between START and END as MIME CHARSET."
+ )
+
+(defun decode-mime-charset-region (start end charset)
+ "Decode the text between START and END as MIME CHARSET."
)
+(defun encode-mime-charset-string (string charset)
+ "Encode the STRING as MIME CHARSET."
+ string)
+
+(defun decode-mime-charset-string (string charset)
+ "Decode the STRING as MIME CHARSET."
+ string)
+
;;; @ character
;;;
-(defun char-charset (chr)
- "Return the character set of char CHR.
-\[emu-e19.el; XEmacs 20 emulating function]"
+(defun char-charset (char)
+ "Return the character set of char CHAR."
(if (< chr 128)
- charset-ascii
- charset-latin-1))
+ 'ascii
+ 'latin-iso8859-1))
(defun char-bytes (char)
- "Return number of bytes a character in CHAR occupies in a buffer.
-\[emu-e19.el; Mule emulating function]"
+ "Return number of bytes a character in CHAR occupies in a buffer."
1)
-(defun char-columns (character)
- "Return number of columns a CHARACTER occupies when displayed.
-\[emu-nemacs.el]"
+(defun char-width (char)
+ "Return number of columns a CHAR occupies when displayed."
1)
-;;; @@ for Mule emulation
-;;;
-
-(defalias 'char-width 'char-columns)
+(defalias 'char-length 'char-bytes)
-(defalias 'char-leading-char 'char-charset)
+(defmacro char-next-index (char index)
+ "Return index of character succeeding CHAR whose index is INDEX."
+ (` (1+ index)))
;;; @ string
;;;
-(defalias 'string-columns 'length)
+(defalias 'string-width 'length)
(defun string-to-char-list (str)
(mapcar (function identity) str)
(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-e19.el; Mule 2.3 emulating function]"
+\[emu-e19.el; MULE 2.3 emulating function]"
(or start-column
(setq start-column 0))
(substring str start-column width)
)
-;;; @@ for Mule emulation
+;;; @@ obsoleted aliases
;;;
+;;; You should not use them.
-(defalias 'string-width 'length)
+(defalias 'string-columns 'length)
+(make-obsolete 'string-columns 'string-width)
;;; @ end