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;;; -*-byte-compile-dynamic: t;-*-
;;; pces-20.el --- pces submodule for Emacs 20 and XEmacs with coding-system
;; Copyright (C) 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.
;;; Commentary:
;; This module requires Emacs 20.0.93, XEmacs 20.3-b5 (with mule)
;; or later.
;;; Code:
;; (defun-maybe-cond multibyte-string-p (object)
;; "Return t if OBJECT is a multibyte string."
;; ((featurep 'mule) (stringp object))
;; (t nil))
;;; @ without code-conversion
;;;
(defmacro as-binary-process (&rest body)
`(let (selective-display ; Disable ^M to nl translation.
(coding-system-for-read 'binary)
(coding-system-for-write 'binary))
,@body))
(defmacro as-binary-input-file (&rest body)
`(let ((coding-system-for-read 'binary))
,@body))
(defmacro as-binary-output-file (&rest body)
`(let ((coding-system-for-write 'binary))
,@body))
(defun write-region-as-binary (start end filename
&optional append visit lockname)
"Like `write-region', q.v., but don't encode."
(let ((coding-system-for-write 'binary)
jka-compr-compression-info-list jam-zcat-filename-list)
(write-region start end filename append visit lockname)))
(require 'broken)
(broken-facility insert-file-contents-literally-treats-binary
"Function `insert-file-contents-literally' decodes text."
(let* ((str "\r\n")
(coding-system-for-write 'binary)
(coding-system-for-read 'raw-text-dos)
;; (default-enable-multibyte-characters (multibyte-string-p str))
)
(with-temp-buffer
(insert str)
(write-region (point-min)(point-max) "literal-test-file")
)
(string=
(with-temp-buffer
(let (file-name-handler-alist)
(insert-file-contents-literally "literal-test-file")
)
(buffer-string)
)
str)))
(broken-facility insert-file-contents-literally-treats-file-name-handler
"Function `insert-file-contents' doesn't call file-name-handler."
(let (called)
(with-temp-buffer
(let ((file-name-handler-alist
'(("literal-test-file" . (lambda (operation &rest args)
(setq called t)
(let (file-name-handler-alist)
(apply operation args)
))))))
(insert-file-contents-literally "literal-test-file")
)
(delete-file "literal-test-file")
)
called))
(static-if
(or (broken-p 'insert-file-contents-literally-treats-binary)
(broken-p 'insert-file-contents-literally-treats-file-name-handler))
(defun insert-file-contents-as-binary (filename
&optional visit beg end replace)
"Like `insert-file-contents', but only reads in the file literally.
A buffer may be modified in several ways after reading into the buffer,
to Emacs features such as format decoding, character code
conversion, find-file-hooks, automatic uncompression, etc.
This function ensures that none of these modifications will take place."
(let ((format-alist nil)
(after-insert-file-functions nil)
(coding-system-for-read 'binary)
(coding-system-for-write 'binary)
(jka-compr-compression-info-list nil)
(jam-zcat-filename-list nil)
(find-buffer-file-type-function
(if (fboundp 'find-buffer-file-type)
(symbol-function 'find-buffer-file-type)
nil)))
(unwind-protect
(progn
(fset 'find-buffer-file-type (lambda (filename) t))
(insert-file-contents filename visit beg end replace))
(if find-buffer-file-type-function
(fset 'find-buffer-file-type find-buffer-file-type-function)
(fmakunbound 'find-buffer-file-type)))))
(defalias 'insert-file-contents-as-binary 'insert-file-contents-literally)
)
(defun insert-file-contents-as-raw-text (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.
Like `insert-file-contents-as-binary', but it converts line-break
code."
(let ((coding-system-for-read 'raw-text)
format-alist)
;; Returns list of absolute file name and length of data inserted.
(insert-file-contents filename visit beg end replace)))
(defun insert-file-contents-as-raw-text-CRLF (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.
Like `insert-file-contents-as-binary', but it converts line-break code
from CRLF to LF."
(let ((coding-system-for-read 'raw-text-dos)
format-alist)
;; Returns list of absolute file name and length of data inserted.
(insert-file-contents filename visit beg end replace)))
(defun write-region-as-raw-text-CRLF (start end filename
&optional append visit lockname)
"Like `write-region', q.v., but write as network representation."
(let ((coding-system-for-write 'raw-text-dos))
(write-region start end filename append visit lockname)))
(defun find-file-noselect-as-binary (filename &optional nowarn rawfile)
"Like `find-file-noselect', q.v., but don't code and format conversion."
(let ((coding-system-for-read 'binary)
format-alist)
(find-file-noselect filename nowarn rawfile)))
(defun find-file-noselect-as-raw-text (filename &optional nowarn rawfile)
"Like `find-file-noselect', q.v., but it does not code and format conversion
except for line-break code."
(let ((coding-system-for-read 'raw-text)
format-alist)
(find-file-noselect filename nowarn rawfile)))
(defun find-file-noselect-as-raw-text-CRLF (filename &optional nowarn rawfile)
"Like `find-file-noselect', q.v., but it does not code and format conversion
except for line-break code."
(let ((coding-system-for-read 'raw-text-dos)
format-alist)
(find-file-noselect filename nowarn rawfile)))
(defun save-buffer-as-binary (&optional args)
"Like `save-buffer', q.v., but don't encode."
(let ((coding-system-for-write 'binary))
(save-buffer args)))
(defun save-buffer-as-raw-text-CRLF (&optional args)
"Like `save-buffer', q.v., but save as network representation."
(let ((coding-system-for-write 'raw-text-dos))
(save-buffer args)))
(defun open-network-stream-as-binary (name buffer host service)
"Like `open-network-stream', q.v., but don't code conversion."
(let ((coding-system-for-read 'binary)
(coding-system-for-write 'binary))
(open-network-stream name buffer host service)))
;;; @ 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 `coding-system-for-read'."
(let ((coding-system-for-read coding-system)
format-alist)
(insert-file-contents filename visit beg end replace)))
(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 `coding-system-for-write'."
(let ((coding-system-for-write coding-system)
jka-compr-compression-info-list jam-zcat-filename-list)
(write-region start end filename append visit lockname)))
(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 `coding-system-for-read'."
(let ((coding-system-for-read coding-system)
format-alist)
(find-file-noselect filename nowarn rawfile)))
(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 `coding-system-for-write'."
(let ((coding-system-for-write coding-system))
(save-buffer args)))
;;; @ end
;;;
(require 'product)
(product-provide (provide 'pces-20) (require 'apel-ver))
;;; pces-20.el ends here
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