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4e72ff3 Split off features about coding-system from poem-nemacs.el.
morioka authored Jun 4, 1999
1 ;;; pces-nemacs.el --- pces implementation for Nemacs
2
3 ;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
4
5 ;; Author: MORIOKA Tomohiko <tomo@m17n.org>
6 ;; Keywords: emulation, compatibility, Mule
7
8 ;; This file is part of APEL (A Portable Emacs Library).
9
10 ;; This program is free software; you can redistribute it and/or
11 ;; modify it under the terms of the GNU General Public License as
12 ;; published by the Free Software Foundation; either version 2, or (at
13 ;; your option) any later version.
14
15 ;; This program is distributed in the hope that it will be useful, but
16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 ;; General Public License for more details.
19
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
eefe87e Update FSF's address in GPL notices.
yamaoka authored Jul 6, 2005
22 ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
23 ;; Boston, MA 02110-1301, USA.
4e72ff3 Split off features about coding-system from poem-nemacs.el.
morioka authored Jun 4, 1999
24
25 ;;; Code:
26
27 ;;; @ coding system
28 ;;;
29
30 (defvar coding-system-kanji-code-alist
31 '((binary . 0)
32 (raw-text . 0)
33 (shift_jis . 1)
34 (iso-2022-jp . 2)
35 (ctext . 2)
36 (euc-jp . 3)
37 ))
38
39 (defun decode-coding-string (string coding-system)
40 "Decode the STRING which is encoded in CODING-SYSTEM.
41 \[emu-nemacs.el; EMACS 20 emulating function]"
42 (let ((code (if (integerp coding-system)
43 coding-system
44 (cdr (assq coding-system coding-system-kanji-code-alist)))))
45 (if (eq code 3)
46 string
47 (convert-string-kanji-code string code 3)
48 )))
49
50 (defun encode-coding-string (string coding-system)
51 "Encode the STRING to CODING-SYSTEM.
52 \[emu-nemacs.el; EMACS 20 emulating function]"
53 (let ((code (if (integerp coding-system)
54 coding-system
55 (cdr (assq coding-system coding-system-kanji-code-alist)))))
56 (if (eq code 3)
57 string
58 (convert-string-kanji-code string 3 code)
59 )))
60
61 (defun decode-coding-region (start end coding-system)
62 "Decode the text between START and END which is encoded in CODING-SYSTEM.
63 \[emu-nemacs.el; EMACS 20 emulating function]"
64 (let ((code (if (integerp coding-system)
65 coding-system
66 (cdr (assq coding-system coding-system-kanji-code-alist)))))
67 (save-excursion
68 (save-restriction
69 (narrow-to-region start end)
70 (convert-region-kanji-code start end code 3)
71 ))))
72
73 (defun encode-coding-region (start end coding-system)
74 "Encode the text between START and END to CODING-SYSTEM.
75 \[emu-nemacs.el; EMACS 20 emulating function]"
76 (let ((code (if (integerp coding-system)
77 coding-system
78 (cdr (assq coding-system coding-system-kanji-code-alist)))))
79 (save-excursion
80 (save-restriction
81 (narrow-to-region start end)
82 (convert-region-kanji-code start end 3 code)
83 ))))
84
85 (defun detect-coding-region (start end)
86 "Detect coding-system of the text in the region between START and END.
87 \[emu-nemacs.el; Emacs 20 emulating function]"
88 (if (save-excursion
89 (save-restriction
90 (narrow-to-region start end)
91 (goto-char start)
92 (re-search-forward "[\200-\377]" nil t)))
93 'euc-jp
94 ))
95
96 (defalias 'set-buffer-file-coding-system 'set-kanji-fileio-code)
97
98
99 ;;; @ without code-conversion
100 ;;;
101
102 (defmacro as-binary-process (&rest body)
beca6c4 Use new style backquotes.
dmaus authored Jul 17, 2011
103 `(let (selective-display ; Disable ^M to nl translation.
104 ;; Nemacs
105 kanji-flag
106 (default-kanji-process-code 0)
107 program-kanji-code-alist)
108 ,@ body))
4e72ff3 Split off features about coding-system from poem-nemacs.el.
morioka authored Jun 4, 1999
109
110 (defmacro as-binary-input-file (&rest body)
beca6c4 Use new style backquotes.
dmaus authored Jul 17, 2011
111 `(let (kanji-flag default-kanji-flag)
112 ,@ body))
4e72ff3 Split off features about coding-system from poem-nemacs.el.
morioka authored Jun 4, 1999
113
114 (defmacro as-binary-output-file (&rest body)
beca6c4 Use new style backquotes.
dmaus authored Jul 17, 2011
115 `(let (kanji-flag)
116 ,@ body))
4e72ff3 Split off features about coding-system from poem-nemacs.el.
morioka authored Jun 4, 1999
117
118 (defun write-region-as-binary (start end filename
119 &optional append visit lockname)
120 "Like `write-region', q.v., but don't code conversion. [emu-nemacs.el]"
121 (as-binary-output-file
122 (write-region start end filename append visit)))
123
124 (defun insert-file-contents-as-binary (filename
125 &optional visit beg end replace)
126 "Like `insert-file-contents', q.v., but don't character code conversion.
127 \[emu-nemacs.el]"
128 (as-binary-input-file
129 ;; Returns list absolute file name and length of data inserted.
130 (insert-file-contents filename visit)))
131
132 (defun insert-file-contents-as-raw-text (filename
133 &optional visit beg end replace)
134 "Like `insert-file-contents', q.v., but don't character code conversion.
135 It converts line-break code from CRLF to LF. [emu-nemacs.el]"
136 (save-restriction
137 (narrow-to-region (point) (point))
138 (let ((return (as-binary-input-file
139 (insert-file-contents filename visit))))
140 (while (search-forward "\r\n" nil t)
141 (replace-match "\n"))
142 (goto-char (point-min))
143 ;; Returns list absolute file name and length of data inserted.
144 (list (car return) (- (point-max) (point-min))))))
145
146 (defalias 'insert-file-contents-as-raw-text-CRLF
147 'insert-file-contents-as-raw-text)
148
149 (defun write-region-as-raw-text-CRLF (start end filename
150 &optional append visit lockname)
151 "Like `write-region', q.v., but don't code conversion. [emu-nemacs.el]"
152 (let ((the-buf (current-buffer)))
153 (with-temp-buffer
154 (insert-buffer-substring the-buf start end)
155 (goto-char (point-min))
156 (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
157 (replace-match "\\1\r\n"))
158 (write-region-as-binary (point-min)(point-max)
159 filename append visit))))
160
161 (defun find-file-noselect-as-binary (filename &optional nowarn rawfile)
162 "Like `find-file-noselect', q.v., but don't code conversion.
163 \[emu-nemacs.el]"
164 (as-binary-input-file (find-file-noselect filename nowarn)))
165
166 (defun find-file-noselect-as-raw-text (filename &optional nowarn rawfile)
167 "Like `find-file-noselect', q.v., but it does not code conversion
168 except for line-break code. [emu-nemacs.el]"
169 (let ((buf (get-file-buffer filename))
170 cur)
171 (if buf
172 (prog1
173 buf
174 (or nowarn
175 (verify-visited-file-modtime buf)
176 (cond ((not (file-exists-p filename))
177 (error "File %s no longer exists!" filename))
178 ((yes-or-no-p
179 (if (buffer-modified-p buf)
180 "File has changed since last visited or saved. Flush your changes? "
181 "File has changed since last visited or saved. Read from disk? "))
182 (setq cur (current-buffer))
183 (set-buffer buf)
184 (revert-buffer t t)
185 (save-excursion
186 (goto-char (point-min))
187 (while (search-forward "\r\n" nil t)
188 (replace-match "\n")))
189 (set-buffer-modified-p nil)
190 (set-buffer cur)))))
191 (save-excursion
192 (prog1
193 (set-buffer
194 (find-file-noselect-as-binary filename nowarn rawfile))
195 (while (search-forward "\r\n" nil t)
196 (replace-match "\n"))
197 (goto-char (point-min))
198 (set-buffer-modified-p nil))))))
199
200 (defalias 'find-file-noselect-as-raw-text-CRLF
201 'find-file-noselect-as-raw-text)
202
203 (defun open-network-stream-as-binary (name buffer host service)
204 "Like `open-network-stream', q.v., but don't code conversion.
205 \[emu-nemacs.el]"
206 (let ((process (open-network-stream name buffer host service)))
207 (set-process-kanji-code process 0)
208 process))
209
210 (defun save-buffer-as-binary (&optional args)
211 "Like `save-buffer', q.v., but don't encode. [emu-nemacs.el]"
212 (as-binary-output-file
213 (save-buffer args)))
214
215 (defun save-buffer-as-raw-text-CRLF (&optional args)
216 "Like `save-buffer', q.v., but save as network representation.
217 \[emu-nemacs.el]"
218 (if (buffer-modified-p)
219 (save-restriction
220 (widen)
221 (let ((the-buf (current-buffer))
222 (filename (buffer-file-name)))
223 (if filename
224 (prog1
225 (with-temp-buffer
226 (insert-buffer the-buf)
227 (goto-char (point-min))
228 (while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
229 (replace-match "\\1\r\n"))
230 (setq buffer-file-name filename)
231 (save-buffer-as-binary args))
232 (set-buffer-modified-p nil)
233 (clear-visited-file-modtime)))))))
234
235
236 ;;; @ with code-conversion
237 ;;;
238
239 (defun insert-file-contents-as-coding-system
240 (coding-system filename &optional visit beg end replace)
241 "Like `insert-file-contents', q.v., but CODING-SYSTEM the first arg will
242 be applied to `kanji-fileio-code'. [emu-nemacs.el]"
243 (let ((kanji-fileio-code coding-system)
244 kanji-expected-code)
245 (insert-file-contents filename visit)))
246
247 (defun write-region-as-coding-system
248 (coding-system start end filename &optional append visit lockname)
249 "Like `write-region', q.v., but CODING-SYSTEM the first arg will be
250 applied to `kanji-fileio-code'. [emu-nemacs.el]"
251 (let ((kanji-fileio-code coding-system)
252 jka-compr-compression-info-list jam-zcat-filename-list)
253 (write-region start end filename append visit)))
254
255 (defun find-file-noselect-as-coding-system
256 (coding-system filename &optional nowarn rawfile)
257 "Like `find-file-noselect', q.v., but CODING-SYSTEM the first arg will
258 be applied to `kanji-fileio-code'. [emu-nemacs.el]"
259 (let ((default-kanji-fileio-code coding-system)
260 kanji-fileio-code kanji-expected-code)
261 (find-file-noselect filename nowarn)))
262
263 (defun save-buffer-as-coding-system (coding-system &optional args)
264 "Like `save-buffer', q.v., but CODING-SYSTEM the first arg will be
265 applied to `kanji-fileio-code'. [emu-nemacs.el]"
266 (let ((kanji-fileio-code coding-system))
267 (save-buffer args)))
268
269
270 ;;; @ end
271 ;;;
272
d52455a Add product information.
keiichi authored Dec 20, 1999
273 (require 'product)
274 (product-provide (provide 'pces-nemacs) (require 'apel-ver))
4e72ff3 Split off features about coding-system from poem-nemacs.el.
morioka authored Jun 4, 1999
275
276 ;;; pces-nemacs.el ends here
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