277 lines
9.1 KiB
EmacsLisp
277 lines
9.1 KiB
EmacsLisp
;;; pces-nemacs.el --- pces implementation for Nemacs
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;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
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;; Author: MORIOKA Tomohiko <tomo@m17n.org>
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;; Keywords: emulation, compatibility, Mule
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;; This file is part of APEL (A Portable Emacs Library).
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;; This program is free software; you can redistribute it and/or
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;; modify it under the terms of the GNU General Public License as
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;; published by the Free Software Foundation; either version 2, or (at
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;; your option) any later version.
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;; This program is distributed in the hope that it will be useful, but
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;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;; General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Code:
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;;; @ coding system
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;;;
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(defvar coding-system-kanji-code-alist
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'((binary . 0)
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(raw-text . 0)
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(shift_jis . 1)
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(iso-2022-jp . 2)
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(ctext . 2)
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(euc-jp . 3)
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))
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(defun decode-coding-string (string coding-system)
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"Decode the STRING which is encoded in CODING-SYSTEM.
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\[emu-nemacs.el; EMACS 20 emulating function]"
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(let ((code (if (integerp coding-system)
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coding-system
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(cdr (assq coding-system coding-system-kanji-code-alist)))))
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(if (eq code 3)
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string
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(convert-string-kanji-code string code 3)
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)))
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(defun encode-coding-string (string coding-system)
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"Encode the STRING to CODING-SYSTEM.
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\[emu-nemacs.el; EMACS 20 emulating function]"
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(let ((code (if (integerp coding-system)
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coding-system
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(cdr (assq coding-system coding-system-kanji-code-alist)))))
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(if (eq code 3)
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string
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(convert-string-kanji-code string 3 code)
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)))
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(defun decode-coding-region (start end coding-system)
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"Decode the text between START and END which is encoded in CODING-SYSTEM.
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\[emu-nemacs.el; EMACS 20 emulating function]"
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(let ((code (if (integerp coding-system)
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coding-system
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(cdr (assq coding-system coding-system-kanji-code-alist)))))
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(save-excursion
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(save-restriction
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(narrow-to-region start end)
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(convert-region-kanji-code start end code 3)
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))))
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(defun encode-coding-region (start end coding-system)
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"Encode the text between START and END to CODING-SYSTEM.
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\[emu-nemacs.el; EMACS 20 emulating function]"
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(let ((code (if (integerp coding-system)
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coding-system
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(cdr (assq coding-system coding-system-kanji-code-alist)))))
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(save-excursion
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(save-restriction
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(narrow-to-region start end)
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(convert-region-kanji-code start end 3 code)
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))))
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(defun detect-coding-region (start end)
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"Detect coding-system of the text in the region between START and END.
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\[emu-nemacs.el; Emacs 20 emulating function]"
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(if (save-excursion
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(save-restriction
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(narrow-to-region start end)
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(goto-char start)
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(re-search-forward "[\200-\377]" nil t)))
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'euc-jp
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))
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(defalias 'set-buffer-file-coding-system 'set-kanji-fileio-code)
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;;; @ without code-conversion
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;;;
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(defmacro as-binary-process (&rest body)
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(` (let (selective-display ; Disable ^M to nl translation.
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;; Nemacs
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kanji-flag
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(default-kanji-process-code 0)
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program-kanji-code-alist)
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(,@ body))))
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(defmacro as-binary-input-file (&rest body)
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(` (let (kanji-flag default-kanji-flag)
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(,@ body))))
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(defmacro as-binary-output-file (&rest body)
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(` (let (kanji-flag)
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(,@ body))))
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(defun write-region-as-binary (start end filename
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&optional append visit lockname)
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"Like `write-region', q.v., but don't code conversion. [emu-nemacs.el]"
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(as-binary-output-file
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(write-region start end filename append visit)))
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(defun insert-file-contents-as-binary (filename
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&optional visit beg end replace)
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"Like `insert-file-contents', q.v., but don't character code conversion.
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\[emu-nemacs.el]"
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(as-binary-input-file
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;; Returns list absolute file name and length of data inserted.
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(insert-file-contents filename visit)))
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(defun insert-file-contents-as-raw-text (filename
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&optional visit beg end replace)
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"Like `insert-file-contents', q.v., but don't character code conversion.
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It converts line-break code from CRLF to LF. [emu-nemacs.el]"
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(save-restriction
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(narrow-to-region (point) (point))
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(let ((return (as-binary-input-file
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(insert-file-contents filename visit))))
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(while (search-forward "\r\n" nil t)
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(replace-match "\n"))
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(goto-char (point-min))
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;; Returns list absolute file name and length of data inserted.
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(list (car return) (- (point-max) (point-min))))))
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(defalias 'insert-file-contents-as-raw-text-CRLF
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'insert-file-contents-as-raw-text)
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(defun write-region-as-raw-text-CRLF (start end filename
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&optional append visit lockname)
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"Like `write-region', q.v., but don't code conversion. [emu-nemacs.el]"
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(let ((the-buf (current-buffer)))
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(with-temp-buffer
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(insert-buffer-substring the-buf start end)
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(goto-char (point-min))
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(while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
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(replace-match "\\1\r\n"))
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(write-region-as-binary (point-min)(point-max)
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filename append visit))))
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(defun find-file-noselect-as-binary (filename &optional nowarn rawfile)
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"Like `find-file-noselect', q.v., but don't code conversion.
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\[emu-nemacs.el]"
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(as-binary-input-file (find-file-noselect filename nowarn)))
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(defun find-file-noselect-as-raw-text (filename &optional nowarn rawfile)
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"Like `find-file-noselect', q.v., but it does not code conversion
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except for line-break code. [emu-nemacs.el]"
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(let ((buf (get-file-buffer filename))
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cur)
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(if buf
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(prog1
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buf
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(or nowarn
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(verify-visited-file-modtime buf)
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(cond ((not (file-exists-p filename))
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(error "File %s no longer exists!" filename))
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((yes-or-no-p
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(if (buffer-modified-p buf)
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"File has changed since last visited or saved. Flush your changes? "
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"File has changed since last visited or saved. Read from disk? "))
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(setq cur (current-buffer))
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(set-buffer buf)
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(revert-buffer t t)
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(save-excursion
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(goto-char (point-min))
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(while (search-forward "\r\n" nil t)
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(replace-match "\n")))
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(set-buffer-modified-p nil)
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(set-buffer cur)))))
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(save-excursion
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(prog1
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(set-buffer
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(find-file-noselect-as-binary filename nowarn rawfile))
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(while (search-forward "\r\n" nil t)
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(replace-match "\n"))
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(goto-char (point-min))
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(set-buffer-modified-p nil))))))
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(defalias 'find-file-noselect-as-raw-text-CRLF
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'find-file-noselect-as-raw-text)
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(defun open-network-stream-as-binary (name buffer host service)
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"Like `open-network-stream', q.v., but don't code conversion.
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\[emu-nemacs.el]"
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(let ((process (open-network-stream name buffer host service)))
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(set-process-kanji-code process 0)
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process))
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(defun save-buffer-as-binary (&optional args)
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"Like `save-buffer', q.v., but don't encode. [emu-nemacs.el]"
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(as-binary-output-file
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(save-buffer args)))
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(defun save-buffer-as-raw-text-CRLF (&optional args)
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"Like `save-buffer', q.v., but save as network representation.
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\[emu-nemacs.el]"
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(if (buffer-modified-p)
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(save-restriction
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(widen)
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(let ((the-buf (current-buffer))
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(filename (buffer-file-name)))
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(if filename
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(prog1
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(with-temp-buffer
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(insert-buffer the-buf)
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(goto-char (point-min))
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(while (re-search-forward "\\(\\=\\|[^\r]\\)\n" nil t)
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(replace-match "\\1\r\n"))
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(setq buffer-file-name filename)
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(save-buffer-as-binary args))
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(set-buffer-modified-p nil)
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(clear-visited-file-modtime)))))))
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;;; @ with code-conversion
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;;;
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(defun insert-file-contents-as-coding-system
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(coding-system filename &optional visit beg end replace)
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"Like `insert-file-contents', q.v., but CODING-SYSTEM the first arg will
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be applied to `kanji-fileio-code'. [emu-nemacs.el]"
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(let ((kanji-fileio-code coding-system)
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kanji-expected-code)
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(insert-file-contents filename visit)))
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(defun write-region-as-coding-system
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(coding-system start end filename &optional append visit lockname)
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"Like `write-region', q.v., but CODING-SYSTEM the first arg will be
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applied to `kanji-fileio-code'. [emu-nemacs.el]"
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(let ((kanji-fileio-code coding-system)
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jka-compr-compression-info-list jam-zcat-filename-list)
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(write-region start end filename append visit)))
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(defun find-file-noselect-as-coding-system
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(coding-system filename &optional nowarn rawfile)
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"Like `find-file-noselect', q.v., but CODING-SYSTEM the first arg will
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be applied to `kanji-fileio-code'. [emu-nemacs.el]"
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(let ((default-kanji-fileio-code coding-system)
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kanji-fileio-code kanji-expected-code)
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(find-file-noselect filename nowarn)))
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(defun save-buffer-as-coding-system (coding-system &optional args)
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"Like `save-buffer', q.v., but CODING-SYSTEM the first arg will be
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applied to `kanji-fileio-code'. [emu-nemacs.el]"
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(let ((kanji-fileio-code coding-system))
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(save-buffer args)))
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;;; @ end
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;;;
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(require 'product)
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(product-provide (provide 'pces-nemacs) (require 'apel-ver))
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;;; pces-nemacs.el ends here
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