(let* ((filename (expand-file-name file))
(info (jka-compr-get-compression-info filename)))
- (if info
-
- (let ((uncompress-message (jka-compr-info-uncompress-message info))
- (uncompress-program (jka-compr-info-uncompress-program info))
- (uncompress-args (jka-compr-info-uncompress-args info))
- (base-name (file-name-nondirectory filename))
- (notfound nil)
- (local-copy
- (jka-compr-run-real-handler 'file-local-copy (list filename)))
- local-file
- size start)
-
- (setq local-file (or local-copy filename))
-
- (and
- visit
- (setq buffer-file-name filename))
-
- (unwind-protect ; to make sure local-copy gets deleted
-
- (progn
-
- (and
- uncompress-message
- (message "%s %s..." uncompress-message base-name))
-
- (condition-case error-code
-
- (let ((coding-system-for-read 'no-conversion))
- (if replace
- (goto-char (point-min)))
- (setq start (point))
- (if (or beg end)
- (jka-compr-partial-uncompress uncompress-program
- (concat uncompress-message
- " " base-name)
- uncompress-args
- local-file
- (or beg 0)
- (if (and beg end)
- (- end beg)
- end))
- ;; If visiting, bind off buffer-file-name so that
- ;; file-locking will not ask whether we should
- ;; really edit the buffer.
- (let ((buffer-file-name
- (if visit nil buffer-file-name)))
- (jka-compr-call-process uncompress-program
- (concat uncompress-message
- " " base-name)
- local-file
- t
- nil
- uncompress-args)))
- (setq size (- (point) start))
- (if replace
- (delete-region (point) (point-max)))
- (goto-char start))
- (error
- ;; If the file we wanted to uncompress does not exist,
- ;; handle that according to VISIT as `insert-file-contents'
- ;; would, maybe signaling the same error it normally would.
- (if (and (eq (car error-code) 'file-error)
- (eq (nth 3 error-code) local-file))
- (if visit
- (setq notfound error-code)
- (signal 'file-error
- (cons "Opening input file"
- (nthcdr 2 error-code))))
- ;; If the uncompression program can't be found,
- ;; signal that as a non-file error
- ;; so that find-file-noselect-1 won't handle it.
- (if (and (eq (car error-code) 'file-error)
- (equal (cadr error-code) "Searching for program"))
- (error "Uncompression program `%s' not found"
- (nth 3 error-code)))
- (signal (car error-code) (cdr error-code))))))
-
- (and
- local-copy
- (file-exists-p local-copy)
- (delete-file local-copy)))
-
- (unless notfound
- (decode-coding-inserted-region
- (point) (+ (point) size)
- (jka-compr-byte-compiler-base-file-name file)
- visit beg end replace))
-
- (and
- visit
- (progn
- (unlock-buffer)
- (setq buffer-file-name filename)
- (setq jka-compr-really-do-compress t)
- (set-visited-file-modtime)))
-
- (and
- uncompress-message
- (message "%s %s...done" uncompress-message base-name))
-
- (and
- visit
- notfound
- (signal 'file-error
- (cons "Opening input file" (nth 2 notfound))))
-
- ;; This is done in insert-file-contents after we return.
- ;; That is a little weird, but better to go along with it now
- ;; than to change it now.
-
-;;; ;; Run the functions that insert-file-contents would.
-;;; (let ((p after-insert-file-functions)
-;;; (insval size))
-;;; (while p
-;;; (setq insval (funcall (car p) size))
-;;; (if insval
-;;; (progn
-;;; (or (integerp insval)
-;;; (signal 'wrong-type-argument
-;;; (list 'integerp insval)))
-;;; (setq size insval)))
-;;; (setq p (cdr p))))
-
- (or (jka-compr-info-compress-program info)
- (message "You can't save this buffer because compression program is not defined"))
-
- (list filename size))
-
- (jka-compr-run-real-handler 'insert-file-contents
- (list file visit beg end replace)))))
+ (if (not info)
+
+ (jka-compr-run-real-handler 'insert-file-contents
+ (list file visit beg end replace))
+
+ (let ((uncompress-message (jka-compr-info-uncompress-message info))
+ (uncompress-program (jka-compr-info-uncompress-program info))
+ (uncompress-args (jka-compr-info-uncompress-args info))
+ (base-name (file-name-nondirectory filename))
+ (notfound nil)
+ (local-copy
+ (jka-compr-run-real-handler 'file-local-copy (list filename)))
+ local-file
+ size start)
+
+ (setq local-file (or local-copy filename))
+
+ (and
+ visit
+ (setq buffer-file-name filename))
+
+ (unwind-protect ; to make sure local-copy gets deleted
+
+ (progn
+
+ (and
+ uncompress-message
+ (message "%s %s..." uncompress-message base-name))
+
+ (condition-case error-code
+
+ (let ((coding-system-for-read 'no-conversion))
+ (if replace
+ (goto-char (point-min)))
+ (setq start (point))
+ (if (or beg end)
+ (jka-compr-partial-uncompress uncompress-program
+ (concat uncompress-message
+ " " base-name)
+ uncompress-args
+ local-file
+ (or beg 0)
+ (if (and beg end)
+ (- end beg)
+ end))
+ ;; If visiting, bind off buffer-file-name so that
+ ;; file-locking will not ask whether we should
+ ;; really edit the buffer.
+ (let ((buffer-file-name
+ (if visit nil buffer-file-name)))
+ (jka-compr-call-process uncompress-program
+ (concat uncompress-message
+ " " base-name)
+ local-file
+ t
+ nil
+ uncompress-args)))
+ (setq size (- (point) start))
+ (if replace
+ (delete-region (point) (point-max)))
+ (goto-char start))
+ (error
+ ;; If the file we wanted to uncompress does not exist,
+ ;; handle that according to VISIT as `insert-file-contents'
+ ;; would, maybe signaling the same error it normally would.
+ (if (and (eq (car error-code) 'file-error)
+ (eq (nth 3 error-code) local-file))
+ (if visit
+ (setq notfound error-code)
+ (signal 'file-error
+ (cons "Opening input file"
+ (nthcdr 2 error-code))))
+ ;; If the uncompression program can't be found,
+ ;; signal that as a non-file error
+ ;; so that find-file-noselect-1 won't handle it.
+ (if (and (eq (car error-code) 'file-error)
+ (equal (cadr error-code) "Searching for program"))
+ (error "Uncompression program `%s' not found"
+ (nth 3 error-code)))
+ (signal (car error-code) (cdr error-code))))))
+
+ (and
+ local-copy
+ (file-exists-p local-copy)
+ (delete-file local-copy)))
+
+ (unless notfound
+ (decode-coding-inserted-region
+ (point) (+ (point) size)
+ (jka-compr-byte-compiler-base-file-name file)
+ visit beg end replace))
+
+ (and
+ visit
+ (progn
+ (unlock-buffer)
+ (setq buffer-file-name filename)
+ (setq jka-compr-really-do-compress t)
+ (set-visited-file-modtime)))
+
+ (and
+ uncompress-message
+ (message "%s %s...done" uncompress-message base-name))
+
+ (and
+ visit
+ notfound
+ (signal 'file-error
+ (cons "Opening input file" (nth 2 notfound))))
+
+ ;; This is done in insert-file-contents after we return.
+ ;; That is a little weird, but better to go along with it now
+ ;; than to change it now.
+
+ ;; ;; Run the functions that insert-file-contents would.
+ ;; (let ((p after-insert-file-functions)
+ ;; (insval size))
+ ;; (while p
+ ;; (setq insval (funcall (car p) size))
+ ;; (if insval
+ ;; (progn
+ ;; (or (integerp insval)
+ ;; (signal 'wrong-type-argument
+ ;; (list 'integerp insval)))
+ ;; (setq size insval)))
+ ;; (setq p (cdr p))))
+
+ (or (jka-compr-info-compress-program info)
+ (message "You can't save this buffer because compression program is not defined"))
+
+ (list filename size)))))
(defun jka-compr-file-local-copy (file)
projects / emacs.git / commitdiff