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;;; pces-nemacs.el --- pces implementation for Nemacs
;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Keywords: emulation, compatibility, Mule
;; This file is part of APEL (A Portable Emacs 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 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:
;;; @ coding system
;;;
(defvar coding-system-kanji-code-alist
'((binary . 0)
(raw-text . 0)
(shift_jis . 1)
(iso-2022-jp . 2)
(ctext . 2)
(euc-jp . 3)
))
(defun decode-coding-string (string coding-system)
"Decode the STRING which is encoded in CODING-SYSTEM.
\[emu-nemacs.el; EMACS 20 emulating function]"
(let ((code (if (integerp coding-system)
coding-system
(cdr (assq coding-system coding-system-kanji-code-alist)))))
(if (eq code 3)
string
(convert-string-kanji-code string code 3)
)))
(defun encode-coding-string (string coding-system)
"Encode the STRING to CODING-SYSTEM.
\[emu-nemacs.el; EMACS 20 emulating function]"
(let ((code (if (integerp coding-system)
coding-system
(cdr (assq coding-system coding-system-kanji-code-alist)))))
(if (eq code 3)
string
(convert-string-kanji-code string 3 code)
)))
(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]"
(let ((code (if (integerp coding-system)
coding-system
(cdr (assq coding-system coding-system-kanji-code-alist)))))
(save-excursion
(save-restriction
(narrow-to-region start end)
(convert-region-kanji-code start end code 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]"
(let ((code (if (integerp coding-system)
coding-system
(cdr (assq coding-system coding-system-kanji-code-alist)))))
(save-excursion
(save-restriction
(narrow-to-region start end)
(convert-region-kanji-code start end 3 code)
))))
(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-jp
))
(defalias 'set-buffer-file-coding-system 'set-kanji-fileio-code)
;;; @ without code-conversion
;;;
(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 default-kanji-flag)
(,@ body))))
(defmacro as-binary-output-file (&rest body)
(` (let (kanji-flag)
(,@ body))))
(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]"
(as-binary-output-file
(write-region start end filename append visit)))
(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]"
(as-binary-input-file
;; Returns list absolute file name and length of data inserted.
(insert-file-contents filename visit)))
(defun insert-file-contents-as-raw-text (filename
&optional visit beg end replace)
"Like `insert-file-contents', q.v., but don't character code conversion.
It converts line-break code from CRLF to LF. [emu-nemacs.el]"
(save-restriction
(narrow-to-region (point) (point))
(let ((return (as-binary-input-file
(insert-file-contents filename visit))))
(while (search-forward "\r\n" nil t)
(replace-match "\n"))
(goto-char (point-min))
;; Returns list absolute file name and length of data inserted.
(list (car return) (- (point-max) (point-min))))))
(defalias 'insert-file-contents-as-raw-text-CRLF
'insert-file-contents-as-raw-text)
(defun write-region-as-raw-text-CRLF (start end filename
&optional append visit lockname)
"Like `write-region', q.v., but don't code conversion. [emu-nemacs.el]"
(let ((the-buf (current-buffer)))
(with-temp-buffer
(insert-buffer-substring the-buf start end)
(goto-char (point-min))
(while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
(replace-match "\\1\r\n"))
(write-region-as-binary (point-min)(point-max)
filename append visit))))
(defun find-file-noselect-as-binary (filename &optional nowarn rawfile)
"Like `find-file-noselect', q.v., but don't code conversion.
\[emu-nemacs.el]"
(as-binary-input-file (find-file-noselect filename nowarn)))
(defun find-file-noselect-as-raw-text (filename &optional nowarn rawfile)
"Like `find-file-noselect', q.v., but it does not code conversion
except for line-break code. [emu-nemacs.el]"
(let ((buf (get-file-buffer filename))
cur)
(if buf
(prog1
buf
(or nowarn
(verify-visited-file-modtime buf)
(cond ((not (file-exists-p filename))
(error "File %s no longer exists!" filename))
((yes-or-no-p
(if (buffer-modified-p buf)
"File has changed since last visited or saved. Flush your changes? "
"File has changed since last visited or saved. Read from disk? "))
(setq cur (current-buffer))
(set-buffer buf)
(revert-buffer t t)
(save-excursion
(goto-char (point-min))
(while (search-forward "\r\n" nil t)
(replace-match "\n")))
(set-buffer-modified-p nil)
(set-buffer cur)))))
(save-excursion
(prog1
(set-buffer
(find-file-noselect-as-binary filename nowarn rawfile))
(while (search-forward "\r\n" nil t)
(replace-match "\n"))
(goto-char (point-min))
(set-buffer-modified-p nil))))))
(defalias 'find-file-noselect-as-raw-text-CRLF
'find-file-noselect-as-raw-text)
(defun open-network-stream-as-binary (name buffer host service)
"Like `open-network-stream', q.v., but don't code conversion.
\[emu-nemacs.el]"
(let ((process (open-network-stream name buffer host service)))
(set-process-kanji-code process 0)
process))
(defun save-buffer-as-binary (&optional args)
"Like `save-buffer', q.v., but don't encode. [emu-nemacs.el]"
(as-binary-output-file
(save-buffer args)))
(defun save-buffer-as-raw-text-CRLF (&optional args)
"Like `save-buffer', q.v., but save as network representation.
\[emu-nemacs.el]"
(if (buffer-modified-p)
(save-restriction
(widen)
(let ((the-buf (current-buffer))
(filename (buffer-file-name)))
(if filename
(prog1
(with-temp-buffer
(insert-buffer the-buf)
(goto-char (point-min))
(while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
(replace-match "\\1\r\n"))
(setq buffer-file-name filename)
(save-buffer-as-binary args))
(set-buffer-modified-p nil)
(clear-visited-file-modtime)))))))
;;; @ with code-conversion
;;;
(defun insert-file-contents-as-coding-system
(coding-system filename &optional visit beg end replace)
"Like `insert-file-contents', q.v., but CODING-SYSTEM the first arg will
be applied to `kanji-fileio-code'. [emu-nemacs.el]"
(let ((kanji-fileio-code coding-system)
kanji-expected-code)
(insert-file-contents filename visit)))
(defun write-region-as-coding-system
(coding-system start end filename &optional append visit lockname)
"Like `write-region', q.v., but CODING-SYSTEM the first arg will be
applied to `kanji-fileio-code'. [emu-nemacs.el]"
(let ((kanji-fileio-code coding-system)
jka-compr-compression-info-list jam-zcat-filename-list)
(write-region start end filename append visit)))
(defun find-file-noselect-as-coding-system
(coding-system filename &optional nowarn rawfile)
"Like `find-file-noselect', q.v., but CODING-SYSTEM the first arg will
be applied to `kanji-fileio-code'. [emu-nemacs.el]"
(let ((default-kanji-fileio-code coding-system)
kanji-fileio-code kanji-expected-code)
(find-file-noselect filename nowarn)))
(defun save-buffer-as-coding-system (coding-system &optional args)
"Like `save-buffer', q.v., but CODING-SYSTEM the first arg will be
applied to `kanji-fileio-code'. [emu-nemacs.el]"
(let ((kanji-fileio-code coding-system))
(save-buffer args)))
;;; @ end
;;;
(require 'product)
(product-provide (provide 'pces-nemacs) (require 'apel-ver))
;;; pces-nemacs.el ends here
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