update.
[elisp/semi.git] / mime-play.el
index 312d900..45ff40d 100644 (file)
 (require 'alist)
 (require 'filename)
 
+(eval-when-compile
+  (require 'mime-text)
+  (condition-case nil
+      (require 'bbdb)
+    (error (defvar bbdb-buffer-name nil))
+    ))
+
+(defvar mime-acting-situation-examples nil)
+
+(defun mime-save-acting-situation-examples ()
+  (let* ((file mime-acting-situation-examples-file)
+        (buffer (get-buffer-create " *mime-example*")))
+    (unwind-protect
+        (save-excursion
+          (set-buffer buffer)
+          (setq buffer-file-name file)
+          (erase-buffer)
+          (insert ";;; " (file-name-nondirectory file) "\n")
+          (insert "\n;; This file is generated automatically by "
+                  mime-view-version-string "\n\n")
+         (insert ";;; Code:\n\n")
+         (pp `(setq mime-acting-situation-examples
+                    ',mime-acting-situation-examples)
+             (current-buffer))
+         (insert "\n;;; "
+                  (file-name-nondirectory file)
+                  " ends here.\n")
+          (save-buffer))
+      (kill-buffer buffer))))
+
+(add-hook 'kill-emacs-hook 'mime-save-acting-situation-examples)
+
   
 ;;; @ content decoder
 ;;;
@@ -43,132 +75,209 @@ method is selected from variable `mime-acting-condition'.
 If MODE is specified, play as it.  Default MODE is \"play\"."
   (interactive)
   (or mode
-      (setq mode "play")
-      )
-  (let ((cinfo (get-text-property (point) 'mime-view-cinfo)))
-    (if cinfo
+      (setq mode "play"))
+  (let ((entity (get-text-property (point) 'mime-view-entity)))
+    (if entity
        (let ((the-buf (current-buffer))
-             (raw-buffer (get-text-property (point) 'mime-view-raw-buffer))
-             )
+             (raw-buffer (mime-entity-buffer entity)))
          (setq mime-preview-after-decoded-position (point))
          (set-buffer raw-buffer)
-         (mime-playback-entity cinfo mode)
-         (if (eq (current-buffer) raw-buffer)
-             (progn
-               (set-buffer the-buf)
-               (goto-char mime-preview-after-decoded-position)
-               ))
-         ))))
-
-(defun mime-playback-entity (cinfo &optional mode)
-  (let ((beg (mime-entity-info-point-min cinfo))
-       (end (mime-entity-info-point-max cinfo))
-       (c-type (mime-entity-info-media-type cinfo))
-       (c-subtype (mime-entity-info-media-subtype cinfo))
-       (params (mime-entity-info-parameters cinfo))
-       (encoding (mime-entity-info-encoding cinfo))
-       )
-    (or c-type
-       (setq c-type 'text
-             c-subtype 'plain))
-    ;; Check for VM
-    (if (< beg (point-min))
-       (setq beg (point-min))
-      )
-    (if (< (point-max) end)
-       (setq end (point-max))
-      )
-    (let (method cal ret)
-      (setq cal (list* (cons 'type c-type)
-                      (cons 'subtype c-subtype)
-                      (cons 'encoding encoding)
-                      (cons 'major-mode major-mode)
-                      params))
-      (if mode
-         (setq cal (cons (cons 'mode mode) cal))
-       )
-      (setq ret (mime/get-content-decoding-alist cal))
-      (setq method (cdr (assq 'method ret)))
-      (cond ((and (symbolp method)
-                 (fboundp method))
-            (funcall method beg end ret)
-            )
-           ((and (listp method)(stringp (car method)))
-            (mime-activate-external-method beg end ret)
-            )
-           (t
-            (mime-show-echo-buffer
-             "No method are specified for %s\n" ctype)
-            ))
+         (mime-raw-play-entity entity mode)
+         (when (eq (current-buffer) raw-buffer)
+           (set-buffer the-buf)
+           (goto-char mime-preview-after-decoded-position)
+           )))))
+
+(defun mime-sort-situation (situation)
+  (sort situation
+       #'(lambda (a b)
+           (let ((a-t (car a))
+                 (b-t (car b))
+                 (order '((type . 1)
+                          (subtype . 2)
+                          (mode . 3)
+                          (method . 4)
+                          (major-mode . 5)
+                          (disposition-type . 6)
+                          ))
+                 a-order b-order)
+             (if (symbolp a-t)
+                 (let ((ret (assq a-t order)))
+                   (if ret
+                       (setq a-order (cdr ret))
+                     (setq a-order 7)
+                     ))
+               (setq a-order 8)
+               )
+             (if (symbolp b-t)
+                 (let ((ret (assq b-t order)))
+                   (if ret
+                       (setq b-order (cdr ret))
+                     (setq b-order 7)
+                     ))
+               (setq b-order 8)
+               )
+             (if (= a-order b-order)
+                 (string< (format "%s" a-t)(format "%s" b-t))
+               (< a-order b-order))
+             )))
+  )
+
+(defsubst mime-delq-null-situation (situations field)
+  (let (dest)
+    (while situations
+      (let ((situation (car situations)))
+       (if (assq field situation)
+           (setq dest (cons situation dest))
+         ))
+      (setq situations (cdr situations)))
+    dest))
+
+(defun mime-raw-play-entity (entity &optional mode situation)
+  "Play entity specified by ENTITY.
+It decodes the entity to call internal or external method.  The method
+is selected from variable `mime-acting-condition'.  If MODE is
+specified, play as it.  Default MODE is \"play\"."
+  (let (method ret)
+    (or situation
+       (setq situation (mime-entity-situation entity)))
+    (if mode
+       (setq situation (cons (cons 'mode mode) situation))
       )
+    (setq ret
+         (or (ctree-match-calist mime-acting-situation-examples situation)
+             (ctree-match-calist-partially mime-acting-situation-examples
+                                           situation)
+             situation))
+    (setq ret
+         (or (mime-delq-null-situation
+              (ctree-find-calist mime-acting-condition ret
+                                 mime-view-find-every-acting-situation)
+              'method)
+             (mime-delq-null-situation
+              (ctree-find-calist mime-acting-condition situation
+                                 mime-view-find-every-acting-situation)
+              'method)
+             ))
+    (cond ((cdr ret)
+          (setq ret (select-menu-alist
+                     "Methods"
+                     (mapcar (function
+                              (lambda (situation)
+                                (cons
+                                 (format "%s"
+                                         (cdr (assq 'method situation)))
+                                 situation)))
+                             ret)))
+          (setq ret (mime-sort-situation ret))
+          (ctree-set-calist-strictly 'mime-acting-situation-examples ret)
+          )
+         (t
+          (setq ret (car ret))
+          ))
+    (setq method (cdr (assq 'method ret)))
+    (cond ((and (symbolp method)
+               (fboundp method))
+          (funcall method entity ret)
+          )
+         ((stringp method)
+          (mime-activate-mailcap-method entity ret)
+          )
+          ;; ((and (listp method)(stringp (car method)))
+          ;;  (mime-activate-external-method entity ret)
+          ;;  )
+         (t
+          (mime-show-echo-buffer "No method are specified for %s\n"
+                                 (mime-entity-type/subtype entity))
+          ))
     ))
 
 
-;;; @ method selector
-;;;
-
-(defun mime/get-content-decoding-alist (al)
-  (get-unified-alist mime-acting-condition al)
-  )
-
-
 ;;; @ external decoder
 ;;;
 
-(defun mime-activate-external-method (beg end cal)
+(defvar mime-mailcap-method-filename-alist nil)
+
+(defun mime-activate-mailcap-method (entity situation)
   (save-excursion
     (save-restriction
-      (narrow-to-region beg end)
-      (goto-char beg)
-      (let ((method (cdr (assoc 'method cal)))
-           (name (mime-raw-get-filename cal))
+      (let ((start (mime-entity-point-min entity))
+           (end (mime-entity-point-max entity)))
+       (narrow-to-region start end)
+       (goto-char start)
+       (let ((method (cdr (assoc 'method situation)))
+             (name (expand-file-name (mime-raw-get-filename situation)
+                                     mime-temp-directory)))
+         (mime-write-decoded-region (mime-entity-body-start entity) end
+                                    name (cdr (assq 'encoding situation)))
+         (message "External method is starting...")
+         (let ((process
+                (let ((command
+                       (mailcap-format-command
+                        method
+                        (cons (cons 'filename name) situation))))
+                  (start-process command mime-echo-buffer-name
+                                 shell-file-name shell-command-switch command)
+                  )))
+           (set-alist 'mime-mailcap-method-filename-alist process name)
+           (set-process-sentinel process 'mime-mailcap-method-sentinel)
            )
-       (if method
-           (let ((file (make-temp-name
-                        (expand-file-name "TM" mime-temp-directory)))
-                 b args)
-             (if (nth 1 method)
-                 (setq b beg)
-               (setq b
-                     (if (re-search-forward "^$" nil t)
-                         (1+ (match-end 0))
-                       (point-min)
-                       ))
-               )
-             (goto-char b)
-             (write-region b end file)
-             (message "External method is starting...")
-             (setq cal (put-alist
-                        'name (replace-as-filename name) cal))
-             (setq cal (put-alist 'file file cal))
-             (setq args (nconc
-                         (list (car method)
-                               mime-echo-buffer-name (car method)
-                               )
-                         (mime-make-external-method-args
-                          cal (cdr (cdr method)))
-                         ))
-             (apply (function start-process) args)
-             (mime-show-echo-buffer)
-             ))
-       ))))
-
-(defun mime-make-external-method-args (cal format)
-  (mapcar (function
-          (lambda (arg)
-            (if (stringp arg)
-                arg
-              (let* ((item (eval arg))
-                     (ret (cdr (assoc item cal)))
-                     )
-                (if ret
-                    ret
-                  (if (eq item 'encoding)
-                      "7bit"
-                    ""))
-                ))
-            ))
-         format))
+         )))))
+
+(defun mime-mailcap-method-sentinel (process event)
+  (let ((file (cdr (assq process mime-mailcap-method-filename-alist))))
+    (if (file-exists-p file)
+       (delete-file file)
+      ))
+  (remove-alist 'mime-mailcap-method-filename-alist process)
+  (message (format "%s %s" process event)))
+
+;; (defun mime-activate-external-method (entity cal)
+;;   (save-excursion
+;;     (save-restriction
+;;       (let ((beg (mime-entity-point-min entity))
+;;             (end (mime-entity-point-max entity)))
+;;         (narrow-to-region beg end)
+;;         (goto-char beg)
+;;         (let ((method (cdr (assoc 'method cal)))
+;;               (name (mime-raw-get-filename cal)))
+;;           (if method
+;;               (let ((file (make-temp-name
+;;                            (expand-file-name "TM" mime-temp-directory)))
+;;                     b args)
+;;                 (if (nth 1 method)
+;;                     (setq b beg)
+;;                   (setq b (mime-entity-body-start entity)))
+;;                 (goto-char b)
+;;                 (write-region b end file)
+;;                 (message "External method is starting...")
+;;                 (setq cal (put-alist
+;;                            'name (replace-as-filename name) cal))
+;;                 (setq cal (put-alist 'file file cal))
+;;                 (setq args (nconc
+;;                             (list (car method)
+;;                                   mime-echo-buffer-name (car method))
+;;                             (mime-make-external-method-args
+;;                              cal (cdr (cdr method)))
+;;                             ))
+;;                 (apply (function start-process) args)
+;;                 (mime-show-echo-buffer)
+;;                 ))
+;;           )))))
+
+;; (defun mime-make-external-method-args (cal format)
+;;   (mapcar (function
+;;            (lambda (arg)
+;;              (if (stringp arg)
+;;                  arg
+;;                (let* ((item (eval arg))
+;;                       (ret (cdr (assoc item cal))))
+;;                  (or ret
+;;                      (if (eq item 'encoding)
+;;                          "7bit"
+;;                        ""))
+;;                  ))))
+;;           format))
 
 (defvar mime-echo-window-is-shared-with-bbdb t
   "*If non-nil, mime-echo window is shared with BBDB window.")
@@ -227,11 +336,16 @@ window.")
   (concat (regexp-* mime-view-file-name-char-regexp)
          "\\(\\." mime-view-file-name-char-regexp "+\\)*"))
 
-(defun mime-raw-get-original-filename (param &optional encoding)
-  (or (mime-raw-get-uu-filename param encoding)
+(defun mime-raw-get-original-filename (param)
+  (or (if (member (cdr (assq 'encoding param))
+                 mime-view-uuencode-encoding-name-list)
+         (mime-raw-get-uu-filename))
       (let (ret)
-       (or (if (or (and (setq ret (mime/Content-Disposition))
-                        (setq ret (assoc "filename" (cdr ret)))
+       (or (if (or (and (setq ret (mime-read-Content-Disposition))
+                        (setq ret
+                              (assoc
+                               "filename"
+                               (mime-content-disposition-parameters ret)))
                         )
                    (setq ret (assoc "name" param))
                    (setq ret (assoc "x-name" param))
@@ -256,42 +370,94 @@ window.")
 ;;; @ file extraction
 ;;;
 
-(defun mime-method-to-save (beg end cal)
-  (goto-char beg)
-  (let* ((name
-         (save-restriction
-           (narrow-to-region beg end)
-           (mime-raw-get-filename cal)
-           ))
-        (encoding (cdr (assq 'encoding cal)))
-        (filename
-          (if (and name (not (string-equal name "")))
-             (expand-file-name name
-                               (call-interactively
-                                (function
-                                 (lambda (dir)
-                                   (interactive "DDirectory: ")
-                                   dir))))
-           (call-interactively
-            (function
-             (lambda (file)
-               (interactive "FFilename: ")
-               (expand-file-name file))))))
-        )
-    (if (file-exists-p filename)
-        (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
-            (error "")))
-    (re-search-forward "\n\n")
-    (mime-write-decoded-region (match-end 0)(point-max) filename encoding)
-    ))
+(defun mime-method-to-save (entity cal)
+  (let ((beg (mime-entity-point-min entity))
+       (end (mime-entity-point-max entity)))
+    (goto-char beg)
+    (let* ((name (save-restriction
+                  (narrow-to-region beg end)
+                  (mime-raw-get-filename cal)
+                  ))
+          (encoding (or (cdr (assq 'encoding cal)) "7bit"))
+          (filename (if (and name (not (string-equal name "")))
+                        (expand-file-name name
+                                          (save-window-excursion
+                                            (call-interactively
+                                             (function
+                                              (lambda (dir)
+                                                (interactive "DDirectory: ")
+                                                dir)))))
+                      (save-window-excursion
+                        (call-interactively
+                         (function
+                          (lambda (file)
+                            (interactive "FFilename: ")
+                            (expand-file-name file)))))))
+          )
+      (if (file-exists-p filename)
+         (or (yes-or-no-p (format "File %s exists. Save anyway? " filename))
+             (error "")))
+      (re-search-forward "\n\n")
+      (mime-write-decoded-region (match-end 0) end filename encoding)
+      )))
+
+
+;;; @ file detection
+;;;
+
+(defvar mime-file-content-type-alist
+  '(("JPEG"    image jpeg)
+    ("GIF"     image gif)
+    )
+  "*Alist of \"file\" output patterns vs. corresponding media-types.
+Each element looks like (REGEXP TYPE SUBTYPE).
+REGEXP is pattern for \"file\" command output.
+TYPE is symbol to indicate primary type of media-type.
+SUBTYPE is symbol to indicate subtype of media-type.")
+
+(defun mime-method-to-detect (entity situation)
+  (let ((beg (mime-entity-point-min entity))
+       (end (mime-entity-point-max entity)))
+    (goto-char beg)
+    (let* ((name (save-restriction
+                  (narrow-to-region beg end)
+                  (mime-raw-get-filename situation)
+                  ))
+          (encoding (or (cdr (assq 'encoding situation)) "7bit"))
+          (filename (if (and name (not (string-equal name "")))
+                        (expand-file-name name mime-temp-directory)
+                      (make-temp-name
+                       (expand-file-name "EMI" mime-temp-directory)))))
+      (mime-write-decoded-region (mime-entity-body-start entity) end
+                                filename encoding)
+      (let (type subtype)
+       (with-temp-buffer
+         (call-process "file" nil t nil filename)
+         (goto-char (point-min))
+         (if (search-forward (concat filename ": ") nil t)
+             (let ((rest mime-file-content-type-alist))
+               (while (not (let ((cell (car rest)))
+                             (if (looking-at (car cell))
+                                 (setq type (nth 1 cell)
+                                       subtype (nth 2 cell))
+                               )))
+                 (setq rest (cdr rest))))))
+       (if type
+           (mime-raw-play-entity
+            entity "play"
+            (put-alist 'type type
+                       (put-alist 'subtype subtype
+                                  (mime-entity-situation entity))))
+         ))
+      )))
 
 
 ;;; @ mail/news message
 ;;;
 
-(defun mime-view-quitting-method-for-mime-show-message-mode ()
+(defun mime-preview-quitting-method-for-mime-show-message-mode ()
   "Quitting method for mime-view.
-It is registered to variable `mime-view-quitting-method-alist'."
+It is registered to variable `mime-preview-quitting-method-alist'."
   (let ((mother mime-mother-buffer)
        (win-conf mime-preview-original-window-configuration)
        )
@@ -301,13 +467,15 @@ It is registered to variable `mime-view-quitting-method-alist'."
     (pop-to-buffer mother)
     ))
 
-(defun mime-method-to-display-message/rfc822 (beg end cal)
-  (let* ((cnum (mime-raw-point-to-entity-number beg))
+(defun mime-method-to-display-message/rfc822 (entity cal)
+  (let* ((beg (mime-entity-point-min entity))
+        (end (mime-entity-point-max entity))
+        (cnum (mime-raw-point-to-entity-number beg))
         (new-name (format "%s-%s" (buffer-name) cnum))
         (mother mime-preview-buffer)
-        (text-decoder
-         (cdr (or (assq major-mode mime-text-decoder-alist)
-                  (assq t mime-text-decoder-alist))))
+        (representation-type
+         (cdr (or (assq major-mode mime-raw-representation-type-alist)
+                  (assq t mime-raw-representation-type-alist))))
         str)
     (setq str (buffer-substring beg end))
     (switch-to-buffer new-name)
@@ -318,7 +486,7 @@ It is registered to variable `mime-view-quitting-method-alist'."
        (delete-region (point-min) (match-end 0))
       )
     (setq major-mode 'mime-show-message-mode)
-    (setq mime-text-decoder text-decoder)
+    (setq mime-raw-representation-type representation-type)
     (mime-view-mode mother)
     ))
 
@@ -326,22 +494,24 @@ It is registered to variable `mime-view-quitting-method-alist'."
 ;;; @ message/partial
 ;;;
 
-(defvar mime-raw-coding-system-alist
-  (list '(mh-show-mode . no-conversion)
-       (cons t (mime-charset-to-coding-system default-mime-charset))
-       ))
-
-(defun mime-article::write-region (start end file)
-  (let ((coding-system-for-write
-        (cdr
-         (or (assq major-mode mime-raw-coding-system-alist)
-             (assq t mime-raw-coding-system-alist)
-             ))))
-    (write-region start end file)
-    ))
+(defun mime-raw-write-region (start end filename)
+  "Write current region into specified file.
+When called from a program, takes three arguments:
+START, END and FILENAME.  START and END are buffer positions.
+It refer `mime-raw-representation-type' or `major-mode
+mime-raw-representation-type-alist'.  If it is `binary', region is
+saved as binary.  Otherwise the region is saved by `write-region'."
+  (let ((presentation-type
+        (or mime-raw-representation-type
+            (cdr (or (assq major-mode mime-raw-representation-type-alist)
+                     (assq t mime-raw-representation-type-alist))))))
+    (if (eq presentation-type 'binary)
+       (write-region-as-binary start end filename)
+      (write-region start end filename)
+      )))
 
-(defun mime-method-to-store-message/partial (beg end cal)
-  (goto-char beg)
+(defun mime-method-to-store-message/partial (entity cal)
+  (goto-char (mime-entity-point-min entity))
   (let* ((root-dir
          (expand-file-name
           (concat "m-prts-" (user-login-name)) mime-temp-directory))
@@ -350,7 +520,7 @@ It is registered to variable `mime-view-quitting-method-alist'."
         (total (cdr (assoc "total" cal)))
         file
         (mother mime-preview-buffer)
-         )
+        )
     (or (file-exists-p root-dir)
        (make-directory root-dir)
        )
@@ -381,7 +551,7 @@ It is registered to variable `mime-view-quitting-method-alist'."
       (re-search-forward "^$")
       (goto-char (1+ (match-end 0)))
       (setq file (concat root-dir "/" number))
-      (mime-article::write-region (point) end file)
+      (mime-raw-write-region (point) (mime-entity-point-max entity) file)
       (let ((total-file (concat root-dir "/CT")))
        (setq total
              (if total
@@ -426,8 +596,8 @@ It is registered to variable `mime-view-quitting-method-alist'."
                    (setq i (1+ i))
                    ))
                (as-binary-output-file
-                 (write-region (point-min)(point-max)
-                               (expand-file-name "FULL" root-dir)))
+                (write-region (point-min)(point-max)
+                              (expand-file-name "FULL" root-dir)))
                (let ((i 1))
                  (while (<= i total)
                    (let ((file (format "%s/%d" root-dir i)))
@@ -460,7 +630,7 @@ It is registered to variable `mime-view-quitting-method-alist'."
 ;;;
 
 (defvar mime-raw-dired-function
-  (if mime/use-multi-frame
+  (if (and (>= emacs-major-version 19) window-system)
       (function dired-other-frame)
     (function mime-raw-dired-function-for-one-frame)
     ))
@@ -472,13 +642,11 @@ It is registered to variable `mime-view-quitting-method-alist'."
     (dired dir)
     ))
 
-(defun mime-method-to-display-message/external-ftp (beg end cal)
+(defun mime-method-to-display-message/external-ftp (entity cal)
   (let* ((site (cdr (assoc "site" cal)))
         (directory (cdr (assoc "directory" cal)))
         (name (cdr (assoc "name" cal)))
-        ;;(mode (cdr (assoc "mode" cal)))
-        (pathname (concat "/anonymous@" site ":" directory))
-        )
+        (pathname (concat "/anonymous@" site ":" directory)))
     (message (concat "Accessing " (expand-file-name name pathname) "..."))
     (funcall mime-raw-dired-function pathname)
     (goto-char (point-min))
@@ -489,36 +657,21 @@ It is registered to variable `mime-view-quitting-method-alist'."
 ;;; @ rot13-47
 ;;;
 
-(defun mime-method-to-display-caesar (start end cal)
+(defun mime-method-to-display-caesar (entity situation)
   "Internal method for mime-view to display ROT13-47-48 message."
-  (let* ((cnum (mime-raw-point-to-entity-number start))
-        (new-name (format "%s-%s" (buffer-name) cnum))
-        (the-buf (current-buffer))
-        (mother mime-preview-buffer)
-        (charset (cdr (assoc "charset" cal)))
-        (encoding (cdr (assq 'encoding cal)))
-        (mode major-mode)
-        )
+  (let* ((new-name (format "%s-%s" (buffer-name)
+                          (mime-entity-number entity)))
+        (mother mime-preview-buffer))
     (let ((pwin (or (get-buffer-window mother)
                    (get-largest-window)))
-         (buf (get-buffer-create new-name))
-         )
+         (buf (get-buffer-create new-name)))
       (set-window-buffer pwin buf)
       (set-buffer buf)
       (select-window pwin)
       )
     (setq buffer-read-only nil)
     (erase-buffer)
-    (insert-buffer-substring the-buf start end)
-    (goto-char (point-min))
-    (if (re-search-forward "^\n" nil t)
-       (delete-region (point-min) (match-end 0))
-      )
-    (let ((m (cdr (or (assq mode mime-text-decoder-alist)
-                     (assq t mime-text-decoder-alist)))))
-      (and (functionp m)
-          (funcall m charset encoding)
-          ))
+    (mime-text-insert-decoded-body entity)
     (mule-caesar-region (point-min) (point-max))
     (set-buffer-modified-p nil)
     (set-buffer mother)
@@ -531,4 +684,19 @@ It is registered to variable `mime-view-quitting-method-alist'."
 
 (provide 'mime-play)
 
+(let* ((file mime-acting-situation-examples-file)
+       (buffer (get-buffer-create " *mime-example*")))
+  (if (file-readable-p file)
+      (unwind-protect
+         (save-excursion
+           (set-buffer buffer)
+           (erase-buffer)
+           (insert-file-contents file)
+           (eval-buffer)
+           ;; format check
+           (or (eq (car mime-acting-situation-examples) 'type)
+               (setq mime-acting-situation-examples nil))
+           )
+       (kill-buffer buffer))))
+
 ;;; mime-play.el ends here