;; General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with XEmacs; see the file COPYING. If not, write to the
+;; along with XEmacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
("TUTORIAL\\.\\(?:hr\\|pl\\|ro\\)\\'" . iso-8859-2)
;; ("\\.\\(el\\|emacs\\|info\\(-[0-9]+\\)?\\|texi\\)$" . iso-2022-8)
;; ("\\(ChangeLog\\|CHANGES-beta\\)$" . iso-2022-8)
- ("/spool/mail/.*$" . convert-mbox-coding-system))
+
+ ;; This idea is totally broken, and the code didn't work anyway.
+ ;; Mailboxes should be decoded by mail clients, who actually know
+ ;; how to deal with them. Otherwise, their contents should be
+ ;; treated as `binary'.
+ ;("/spool/mail/.*$" . convert-mbox-coding-system)
+ )
"Alist to decide a coding system to use for a file I/O operation.
The format is ((PATTERN . VAL) ...),
where PATTERN is a regular expression matching a file name,
(coding-system-base buffer-file-coding-system)
(cond ((eq eol-type 'lf) 'crlf)
((eq eol-type 'crlf) 'lf)
- ((eq eol-type 'cr) 'lf))))))
+ ((eq eol-type 'cr) 'lf))))
+ (set-buffer-modified-p t)))
(define-obsolete-function-alias
'set-file-coding-system
((find-coding-system codesys))
))))
-(defun convert-mbox-coding-system (filename visit start end)
- "Decoding function for Unix mailboxes.
-Does separate detection and decoding on each message, since each
-message might be in a different encoding."
- (let ((buffer-read-only nil))
- (save-restriction
- (narrow-to-region start end)
- (goto-char (point-min))
- (while (not (eobp))
- (let ((start (point))
- end)
- (forward-char 1)
- (if (re-search-forward "^From" nil 'move)
- (beginning-of-line))
- (setq end (point))
- (decode-coding-region start end 'undecided))))))
+;; This was completely broken, not only in implementation (does not
+;; understand MIME), but in concept -- such high-level decoding should
+;; be done by mail readers, not by IO code! Removed 2000-04-18.
+
+;(defun convert-mbox-coding-system (filename visit start end) ...)
(defun find-coding-system-magic-cookie ()
- "Look for the coding-system magic cookie in the current buffer.\n"
-"The coding-system magic cookie is the exact string\n"
-"\";;;###coding system: \" followed by a valid coding system symbol,\n"
-"somewhere within the first 3000 characters of the file. If found,\n"
-"the coding system symbol is returned; otherwise nil is returned.\n"
-"Note that it is extremely unlikely that such a string would occur\n"
-"coincidentally as the result of encoding some characters in a non-ASCII\n"
-"charset, and that the spaces make it even less likely since the space\n"
-"character is not a valid octet in any ISO 2022 encoding of most non-ASCII\n"
-"charsets."
+ "Look for the coding-system magic cookie in the current buffer.
+The coding-system magic cookie is the exact string
+\";;;###coding system: \" followed by a valid coding system symbol,
+somewhere within the first 3000 characters of the file. If found,
+the coding system symbol is returned; otherwise nil is returned.
+Note that it is extremely unlikely that such a string would occur
+coincidentally as the result of encoding some characters in a non-ASCII
+charset, and that the spaces make it even less likely since the space
+character is not a valid octet in any ISO 2022 encoding of most non-ASCII
+charsets."
(save-excursion
(goto-char (point-min))
(or (and (looking-at
(set-buffer (get-buffer-create " *load*"))
(erase-buffer)
(let ((coding-system-for-read 'raw-text))
- (insert-file-contents path nil 1 3001))
+ (insert-file-contents path nil 0 3000))
(find-coding-system-magic-cookie))
(if elc
;; if reading a byte-compiled file and we didn't find
a cons of absolute pathname and length of data inserted (the same
thing as will be returned from `insert-file-contents').")
-(defun insert-file-contents (filename &optional visit beg end replace)
+(defun insert-file-contents (filename &optional visit start end replace)
"Insert contents of file FILENAME after point.
Returns list of absolute file name and length of data inserted.
If second argument VISIT is non-nil, the buffer's visited filename
If visiting and the file does not exist, visiting is completed
before the error is signaled.
-The optional third and fourth arguments BEG and END
+The optional third and fourth arguments START and END
specify what portion of the file to insert.
-If VISIT is non-nil, BEG and END must be nil.
+If VISIT is non-nil, START and END must be nil.
If optional fifth argument REPLACE is non-nil,
it means replace the current buffer contents (in the accessible portion)
with the file contents. This is better than simply deleting and inserting
the whole thing because (1) it preserves some marker positions
and (2) it puts less data in the undo list.
-NOTE: When Mule support is enabled, the REPLACE argument is
-currently ignored.
-
The coding system used for decoding the file is determined as follows:
1. `coding-system-for-read', if non-nil.
coding-system)
(setq coding-system 'undecided)))
(setq return-val
- (insert-file-contents-internal filename visit beg end
+ (insert-file-contents-internal filename visit start end
replace coding-system
;; store here!
'used-codesys))
(defvar write-region-pre-hook nil
"A special hook to decide the coding system used for writing out a file.
-Before writing a file, `write-region' calls the functions on this hook
-with arguments START, END, FILENAME, APPEND, VISIT, and CODING-SYSTEM,
-the same as the corresponding arguments in the call to
-`write-region'.
+Before writing a file, `write-region' calls the functions on this hook with
+arguments START, END, FILENAME, APPEND, VISIT, LOCKNAME and CODING-SYSTEM,
+the same as the corresponding arguments in the call to `write-region'.
-The return value of the functions should be either
+The return value of each function should be one of
-- nil
-- A coding system or a symbol denoting it, indicating the coding system
- to be used for reading the file
+ to be used for writing the file
-- A list of two elements (absolute pathname and length of data written),
- which is used as the return value to `write-region'. In this
- case, `write-region' assumes that the function has written
- the file for itself and suppresses further writing.
+ which is used as the return value to `write-region'. In this case,
+ `write-region' assumes that the function has written the file and
+ returns.
If any function returns non-nil, the remaining functions are not called.")
"A hook called by `write-region' after a file has been written out.
The functions on this hook are called with arguments START, END,
-FILENAME, APPEND, VISIT, and CODING-SYSTEM, the same as the
+FILENAME, APPEND, VISIT, LOCKNAME, and CODING-SYSTEM, the same as the
corresponding arguments in the call to `write-region'.")
-(defun write-region (start end filename &optional append visit lockname coding-system)
+(defun write-region (start end filename
+ &optional append visit lockname coding-system)
"Write current region into specified file.
By default the file's existing contents are replaced by the specified region.
-When called from a program, takes three arguments:
+Called interactively, prompts for a file name. With a prefix arg, prompts
+for a coding system as well.
+
+When called from a program, takes three required arguments:
START, END and FILENAME. START and END are buffer positions.
Optional fourth argument APPEND if non-nil means
append to existing file contents (if any).
Optional seventh argument CODING-SYSTEM specifies the coding system
used to encode the text when it is written out, and defaults to
the value of `buffer-file-coding-system' in the current buffer.
- Interactively, with a prefix arg, you will be prompted for the
- coding system.
See also `write-region-pre-hook' and `write-region-post-hook'."
(interactive "r\nFWrite region to file: \ni\ni\ni\nZCoding-system: ")
(setq coding-system
(or coding-system-for-write
(run-hook-with-args-until-success
- 'write-region-pre-hook start end filename append visit lockname)
+ 'write-region-pre-hook
+ start end filename append visit lockname coding-system)
coding-system
buffer-file-coding-system
(find-file-coding-system-for-write-from-filename filename)
))
(if (consp coding-system)
+ ;; One of the `write-region-pre-hook' functions wrote the file
coding-system
(let ((func
(coding-system-property coding-system 'pre-write-conversion)))
start end filename append visit lockname
coding-system)))
-;;; The following was all that remained in mule-files.el, so I moved it
-;;; here for neatness. -sb
-(when (featurep 'mule)
- (setq-default buffer-file-coding-system 'iso-2022-8))
-
;;; code-files.el ends here
projects / chise / xemacs-chise.git.1 / blobdiff