gnus-notifications: add actions support
[gnus] / lisp / mm-decode.el
index ec8dd5b..7982b74 100644 (file)
@@ -1,6 +1,6 @@
 ;;; mm-decode.el --- Functions for decoding MIME things
 
-;; Copyright (C) 1998-2012  Free Software Foundation, Inc.
+;; Copyright (C) 1998-2012 Free Software Foundation, Inc.
 
 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
 ;;     MORIOKA Tomohiko <morioka@jaist.ac.jp>
 (autoload 'mm-extern-cache-contents "mm-extern")
 (autoload 'mm-insert-inline "mm-view")
 
+(autoload 'mm-archive-decoders "mm-archive")
+(autoload 'mm-archive-dissect-and-inline "mm-archive")
+(autoload 'mm-dissect-archive "mm-archive")
+
 (defvar gnus-current-window-configuration)
 
 (add-hook 'gnus-exit-gnus-hook 'mm-destroy-postponed-undisplay-list)
@@ -248,6 +252,8 @@ before the external MIME handler is invoked."
     ("message/partial" mm-inline-partial identity)
     ("message/external-body" mm-inline-external-body identity)
     ("text/.*" mm-inline-text identity)
+    ("application/x-.?tar\\(-.*\\)?" mm-archive-dissect-and-inline identity)
+    ("application/zip" mm-archive-dissect-and-inline identity)
     ("audio/wav" mm-inline-audio
      (lambda (handle)
        (and (or (featurep 'nas-sound) (featurep 'native-sound))
@@ -275,7 +281,8 @@ before the external MIME handler is invoked."
                     (ignore-errors
                       (if (fboundp 'create-image)
                           (create-image (buffer-string) 'imagemagick 'data-p)
-                        (mm-create-image-xemacs (mm-handle-media-subtype handle))))))
+                        (mm-create-image-xemacs
+                         (mm-handle-media-subtype handle))))))
                (when image
                  (setcar (cdr handle) (list "image/imagemagick"))
                  (mm-image-fit-p handle)))))))
@@ -297,6 +304,9 @@ before the external MIME handler is invoked."
     "application/pgp-signature" "application/x-pkcs7-signature"
     "application/pkcs7-signature" "application/x-pkcs7-mime"
     "application/pkcs7-mime"
+    "application/x-gtar-compressed"
+    "application/x-tar"
+    "application/zip"
     ;; Mutt still uses this even though it has already been withdrawn.
     "application/pgp")
   "List of media types that are to be displayed inline.
@@ -448,6 +458,7 @@ If not set, `default-directory' will be used."
 (defvar mm-last-shell-command "")
 (defvar mm-content-id-alist nil)
 (defvar mm-postponed-undisplay-list nil)
+(defvar mm-inhibit-auto-detect-attachment nil)
 
 ;; According to RFC2046, in particular, in a digest, the default
 ;; Content-Type value for a body part is changed from "text/plain" to
@@ -567,7 +578,9 @@ Postpone undisplaying of viewers for types in
 (autoload 'message-fetch-field "message")
 
 (defun mm-dissect-buffer (&optional no-strict-mime loose-mime from)
-  "Dissect the current buffer and return a list of MIME handles."
+  "Dissect the current buffer and return a list of MIME handles.
+If NO-STRICT-MIME, don't require the message to have a
+MIME-Version header before proceeding."
   (save-excursion
     (let (ct ctl type subtype cte cd description id result)
       (save-restriction
@@ -653,8 +666,26 @@ Postpone undisplaying of viewers for types in
            (if (equal "text/plain" (car ctl))
                (assoc 'format ctl)
              t))
-    (mm-make-handle
-     (mm-copy-to-buffer) ctl cte nil cdl description nil id)))
+    ;; Guess what the type of application/octet-stream parts should
+    ;; really be.
+    (let ((filename (cdr (assq 'filename (cdr cdl)))))
+      (when (and (not mm-inhibit-auto-detect-attachment)
+                (equal (car ctl) "application/octet-stream")
+                filename
+                (string-match "\\.\\([^.]+\\)$" filename))
+       (let ((new-type (mailcap-extension-to-mime (match-string 1 filename))))
+         (when new-type
+           (setcar ctl new-type)))))
+    (let ((handle
+          (mm-make-handle
+           (mm-copy-to-buffer) ctl cte nil cdl description nil id))
+         (decoder (assoc (car ctl) (mm-archive-decoders))))
+      (if (and decoder
+              ;; Do automatic decoding
+              (cadr decoder)
+              (executable-find (caddr decoder)))
+         (mm-dissect-archive handle)
+       handle))))
 
 (defun mm-dissect-multipart (ctl from)
   (goto-char (point-min))
@@ -665,7 +696,9 @@ Postpone undisplaying of viewers for types in
                (goto-char (point-max))
                (if (re-search-backward close-delimiter nil t)
                    (match-beginning 0)
-                 (point-max)))))
+                 (point-max))))
+        (mm-inhibit-auto-detect-attachment
+         (equal (car ctl) "multipart/encrypted")))
     (setq boundary (concat (regexp-quote boundary) "[ \t]*$"))
     (while (and (< (point) end) (re-search-forward boundary end t))
       (goto-char (match-beginning 0))
@@ -736,23 +769,29 @@ external if displayed external."
                           (mail-content-type-get
                            (mm-handle-type handle) 'name)
                           "<file>"))
-            (external mm-enable-external))
-       (if (and (mm-inlinable-p ehandle)
-                (mm-inlined-p ehandle))
-           (progn
-             (forward-line 1)
-             (mm-display-inline handle)
-             'inline)
-         (when (or method
-                   (not no-default))
-           (if (and (not method)
-                    (equal "text" (car (split-string type "/"))))
-               (progn
-                 (forward-line 1)
-                 (mm-insert-inline handle (mm-get-part handle))
-                 'inline)
-             (setq external
-                    (and method ;; If nil, we always use "save".
+            (external mm-enable-external)
+            (decoder (assoc (car (mm-handle-type handle))
+                            (mm-archive-decoders))))
+       (cond
+        ((and decoder
+              (executable-find (caddr decoder)))
+         (mm-archive-dissect-and-inline handle)
+         'inline)
+        ((and (mm-inlinable-p ehandle)
+              (mm-inlined-p ehandle))
+         (forward-line 1)
+         (mm-display-inline handle)
+         'inline)
+        ((or method
+             (not no-default))
+         (if (and (not method)
+                  (equal "text" (car (split-string type "/"))))
+             (progn
+               (forward-line 1)
+               (mm-insert-inline handle (mm-get-part handle))
+               'inline)
+           (setq external
+                 (and method         ;; If nil, we always use "save".
                       (stringp method) ;; 'mailcap-save-binary-file
                       (or (eq mm-enable-external t)
                           (and (eq mm-enable-external 'ask)
@@ -765,12 +804,12 @@ external if displayed external."
                                      (concat
                                       " \"" (format method filename) "\"")
                                    "")
-                                    "? "))))))
-             (if external
-                 (mm-display-external
-                  handle (or method 'mailcap-save-binary-file))
+                                 "? "))))))
+           (if external
                (mm-display-external
-                handle 'mailcap-save-binary-file)))))))))
+                handle (or method 'mailcap-save-binary-file))
+             (mm-display-external
+              handle 'mailcap-save-binary-file)))))))))
 
 (declare-function gnus-configure-windows "gnus-win" (setting &optional force))
 (defvar mailcap-mime-extensions)       ; mailcap-mime-info autoloads
@@ -918,46 +957,38 @@ external if displayed external."
                                   shell-command-switch command)
                    (set-process-sentinel
                     (get-buffer-process buffer)
-                    (lexical-let ;; Don't use `let'.
-                        ;; Function used to remove temp file and directory.
-                        ((fn `(lambda nil
-                                ;; Don't use `ignore-errors'.
-                                (condition-case nil
-                                    (delete-file ,file)
-                                  (error))
-                                (condition-case nil
-                                    (delete-directory
-                                     ,(file-name-directory file))
-                                  (error))))
-                         ;; Form uses to kill the process buffer and
-                         ;; remove the undisplayer.
-                         (fm `(progn
-                                (kill-buffer ,buffer)
-                                ,(macroexpand
-                                  (list 'mm-handle-set-undisplayer
-                                        (list 'quote handle)
-                                        nil))))
-                         ;; Message to be issued when the process exits.
-                         (done (format "Displaying %s...done" command))
-                         ;; In particular, the timer object (which is
-                         ;; a vector in Emacs but is a list in XEmacs)
-                         ;; requires that it is lexically scoped.
-                         (timer (run-at-time 2.0 nil 'ignore)))
-                      (if (featurep 'xemacs)
-                          (lambda (process state)
-                            (when (eq 'exit (process-status process))
-                              (if (memq timer itimer-list)
-                                  (set-itimer-function timer fn)
-                                (funcall fn))
-                              (ignore-errors (eval fm))
-                              (message "%s" done)))
-                        (lambda (process state)
-                          (when (eq 'exit (process-status process))
-                            (if (memq timer timer-list)
-                                (timer-set-function timer fn)
-                              (funcall fn))
-                            (ignore-errors (eval fm))
-                            (message "%s" done)))))))
+                    (lexical-let ((outbuf outbuf)
+                                  (file file)
+                                  (buffer buffer)
+                                  (command command)
+                                  (handle handle))
+                      (run-at-time
+                       30.0 nil
+                       (lambda ()
+                         (ignore-errors
+                           (delete-file file))
+                         (ignore-errors
+                           (delete-directory (file-name-directory file)))))
+                      (lambda (process state)
+                        (when (eq (process-status process) 'exit)
+                          (condition-case nil
+                              (delete-file file)
+                            (error))
+                          (condition-case nil
+                              (delete-directory (file-name-directory file))
+                            (error))
+                          (when (buffer-live-p outbuf)
+                            (with-current-buffer outbuf
+                              (let ((buffer-read-only nil)
+                                    (point (point)))
+                                (forward-line 2)
+                                (mm-insert-inline
+                                 handle (with-current-buffer buffer
+                                          (buffer-string)))
+                                (goto-char point))))
+                          (when (buffer-live-p buffer)
+                            (kill-buffer buffer)))
+                        (message "Displaying %s...done" command)))))
                (mm-handle-set-external-undisplayer
                 handle (cons file buffer)))
              (message "Displaying %s..." command))
@@ -1353,7 +1384,7 @@ Use CMD as the process."
                  (mailcap-mime-info type 'all)))
         (method (let ((minibuffer-local-completion-map
                        mm-viewer-completion-map))
-                  (gnus-completing-read "Viewer" methods))))
+                  (completing-read "Viewer: " methods))))
     (when (string= method "")
       (error "No method given"))
     (if (string-match "^[^% \t]+$" method)
@@ -1493,7 +1524,7 @@ be determined."
   (let ((image (mm-get-image handle)))
     (or (not image)
        (if (featurep 'xemacs)
-           ;; XEmacs' glyphs can actually tell us about their width, so
+           ;; XEmacs's glyphs can actually tell us about their width, so
            ;; let's be nice and smart about them.
            (or mm-inline-large-images
                (and (<= (glyph-width image) (window-pixel-width))
@@ -1741,7 +1772,8 @@ If RECURSIVE, search recursively."
         (insert (prog1
                     (if (and charset
                              (setq charset
-                                   (mm-charset-to-coding-system charset))
+                                   (mm-charset-to-coding-system charset
+                                                                nil t))
                              (not (eq charset 'ascii)))
                         (mm-decode-coding-string (buffer-string) charset)
                       (mm-string-as-multibyte (buffer-string)))
@@ -1757,7 +1789,13 @@ If RECURSIVE, search recursively."
                                    (string-to-number (match-string 2)))
                                  mm-extra-numeric-entities)))
             (replace-match (char-to-string char))))
+        ;; Remove "soft hyphens".
+        (goto-char (point-min))
+        (while (search-forward "­" nil t)
+          (replace-match "" t t))
         (libxml-parse-html-region (point-min) (point-max))))
+      (unless (bobp)
+       (insert "\n"))
       (mm-handle-set-undisplayer
        handle
        `(lambda ()
@@ -1774,4 +1812,8 @@ If RECURSIVE, search recursively."
 
 (provide 'mm-decode)
 
+;; Local Variables:
+;; coding: iso-8859-1
+;; End:
+
 ;;; mm-decode.el ends here