;;; mime-view.el --- interactive MIME viewer for GNU Emacs
-;; Copyright (C) 1995,1996,1997,1998,1999,2000 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Created: 1994/07/13
"MIME view mode"
:group 'mime)
-(defvar mime-view-find-every-situations t
- "*Find every available situations if non-nil.")
-
(defcustom mime-situation-examples-file "~/.mime-example"
"*File name of situation-examples demonstrated by user."
:group 'mime-view
`binary' or `cooked'.")
-;; (defun mime-raw-find-entity-from-point (point &optional message-info)
-;; "Return entity from POINT in mime-raw-buffer.
-;; If optional argument MESSAGE-INFO is not specified,
-;; `mime-message-structure' is used."
-;; (or message-info
-;; (setq message-info mime-message-structure))
-;; (if (and (<= (mime-entity-point-min message-info) point)
-;; (<= point (mime-entity-point-max message-info)))
-;; (let ((children (mime-entity-children message-info)))
-;; (catch 'tag
-;; (while children
-;; (let ((ret
-;; (mime-raw-find-entity-from-point point (car children))))
-;; (if ret
-;; (throw 'tag ret)
-;; ))
-;; (setq children (cdr children)))
-;; message-info))))
-;; (make-obsolete 'mime-raw-find-entity-from-point "don't use it.")
-
-
;;; @ in preview-buffer (presentation space)
;;;
situation))
(defsubst mime-delq-null-situation (situations field
- &optional ignored-value)
+ &rest ignored-values)
(let (dest)
(while situations
(let* ((situation (car situations))
(cell (assq field situation)))
(if cell
- (or (eq (cdr cell) ignored-value)
+ (or (memq (cdr cell) ignored-values)
(setq dest (cons situation dest))
)))
(setq situations (cdr situations)))
(defun mime-unify-situations (entity-situation
condition situation-examples
- &optional required-name ignored-value)
+ &optional required-name ignored-value
+ every-situations)
(let (ret)
(in-calist-package 'mime-view)
(setq ret
(ctree-find-calist condition entity-situation
- mime-view-find-every-situations))
+ every-situations))
(if required-name
- (setq ret (mime-delq-null-situation ret required-name ignored-value)))
+ (setq ret (mime-delq-null-situation ret required-name
+ ignored-value t)))
(or (assq 'ignore-examples entity-situation)
(if (cdr ret)
(let ((rest ret)
(defvar mime-acting-situation-example-list nil)
(defvar mime-acting-situation-example-list-max-size 16)
+(defvar mime-situation-examples-file-coding-system nil)
(defun mime-save-situation-examples ()
(if (or mime-preview-situation-example-list
mime-acting-situation-example-list)
- (let* ((file mime-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 "\n\n")
- (insert ";;; Code:\n\n")
- (if mime-preview-situation-example-list
- (pp `(setq mime-preview-situation-example-list
- ',mime-preview-situation-example-list)
- (current-buffer)))
- (if mime-acting-situation-example-list
- (pp `(setq mime-acting-situation-example-list
- ',mime-acting-situation-example-list)
- (current-buffer)))
- (insert "\n;;; "
- (file-name-nondirectory file)
- " ends here.\n")
- (save-buffer))
- (kill-buffer buffer)))))
+ (let ((file mime-situation-examples-file))
+ (with-temp-buffer
+ (insert ";;; " (file-name-nondirectory file) "\n")
+ (insert "\n;; This file is generated automatically by "
+ mime-view-version "\n\n")
+ (insert ";;; Code:\n\n")
+ (if mime-preview-situation-example-list
+ (pp `(setq mime-preview-situation-example-list
+ ',mime-preview-situation-example-list)
+ (current-buffer)))
+ (if mime-acting-situation-example-list
+ (pp `(setq mime-acting-situation-example-list
+ ',mime-acting-situation-example-list)
+ (current-buffer)))
+ (insert "\n;;; "
+ (file-name-nondirectory file)
+ " ends here.\n")
+ (static-cond
+ ((boundp 'buffer-file-coding-system)
+ (setq buffer-file-coding-system
+ mime-situation-examples-file-coding-system))
+ ((boundp 'file-coding-system)
+ (setq file-coding-system
+ mime-situation-examples-file-coding-system)))
+ (setq buffer-file-name file)
+ (save-buffer)))))
(add-hook 'kill-emacs-hook 'mime-save-situation-examples)
(body-presentation-method . mime-display-multipart/alternative)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . message)(subtype . partial)
- (body-presentation-method
- . mime-display-message/partial-button)))
+ 'mime-preview-condition
+ '((type . multipart)(subtype . t)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/mixed)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . message)(subtype . partial)
+ (body . visible)
+ (body-presentation-method . mime-display-message/partial-button)))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . message)(subtype . rfc822)
- (body-presentation-method . nil)
- (childrens-situation (header . visible)
- (entity-button . invisible))))
+ 'mime-preview-condition
+ '((type . message)(subtype . rfc822)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/mixed)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
(ctree-set-calist-strictly
- 'mime-preview-condition '((type . message)(subtype . news)
- (body-presentation-method . nil)
- (childrens-situation (header . visible)
- (entity-button . invisible))))
+ 'mime-preview-condition
+ '((type . message)(subtype . news)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/mixed)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
;;; @@@ entity presentation
(defun mime-display-text/plain (entity situation)
(save-restriction
(narrow-to-region (point-max)(point-max))
- (mime-insert-text-content entity)
+ (condition-case nil
+ (mime-insert-text-content entity)
+ (error (progn
+ (message "Can't decode current entity.")
+ (sit-for 1))))
(run-hooks 'mime-text-decode-hook)
(goto-char (point-max))
(if (not (eq (char-after (1- (point))) ?\n))
(situation (car situations)))
(mime-display-entity child (if (= i p)
situation
- (del-alist 'body-presentation-method
- (copy-alist situation))))
- )
+ (put-alist 'body 'invisible
+ (copy-alist situation)))))
(setq children (cdr children)
situations (cdr situations)
- i (1+ i))
- )))
+ i (1+ i)))))
;;; @ acting-condition
(or preview-buffer
(setq preview-buffer (current-buffer)))
(let* (e nb ne nhb nbb)
- (mime-goto-header-start-point entity)
(in-calist-package 'mime-view)
(or situation
(setq situation
(eq (cdr (or (assq '*header situation)
(assq 'header situation)))
'visible))
- (header-presentation-method
- (or (cdr (assq 'header-presentation-method situation))
- (cdr (assq (cdr (assq 'major-mode situation))
- mime-header-presentation-method-alist))))
- (body-presentation-method
- (cdr (assq 'body-presentation-method situation)))
+ (body-is-visible
+ (eq (cdr (or (assq '*body situation)
+ (assq 'body situation)))
+ 'visible))
(children (mime-entity-children entity)))
(set-buffer preview-buffer)
(setq nb (point))
(mime-view-insert-entity-button entity)
;; )
)
- (when header-is-visible
- (setq nhb (point))
- (if header-presentation-method
- (funcall header-presentation-method entity situation)
- (mime-insert-header entity
- mime-view-ignored-field-list
- mime-view-visible-field-list))
- (run-hooks 'mime-display-header-hook)
- (put-text-property nhb (point-max) 'mime-view-entity-header entity)
- (goto-char (point-max))
- (insert "\n")
- )
+ (if header-is-visible
+ (let ((header-presentation-method
+ (or (cdr (assq 'header-presentation-method situation))
+ (cdr (assq (cdr (assq 'major-mode situation))
+ mime-header-presentation-method-alist)))))
+ (setq nhb (point))
+ (if header-presentation-method
+ (funcall header-presentation-method entity situation)
+ (mime-insert-header entity
+ mime-view-ignored-field-list
+ mime-view-visible-field-list))
+ (run-hooks 'mime-display-header-hook)
+ (put-text-property nhb (point-max) 'mime-view-entity-header entity)
+ (goto-char (point-max))
+ (insert "\n")))
(setq nbb (point))
- (cond (children)
- ((functionp body-presentation-method)
- (funcall body-presentation-method entity situation)
- )
- (t
- (when button-is-invisible
- (goto-char (point-max))
- (mime-view-insert-entity-button entity)
- )
- (or header-is-visible
- (progn
- (goto-char (point-max))
- (insert "\n")
- ))
- ))
+ (unless children
+ (if body-is-visible
+ (let ((body-presentation-method
+ (cdr (assq 'body-presentation-method situation))))
+ (if (functionp body-presentation-method)
+ (funcall body-presentation-method entity situation)
+ (mime-display-text/plain entity situation)))
+ (when button-is-invisible
+ (goto-char (point-max))
+ (mime-view-insert-entity-button entity)
+ )
+ (unless header-is-visible
+ (goto-char (point-max))
+ (insert "\n"))
+ ))
(setq ne (point-max))
(widen)
(put-text-property nb ne 'mime-view-entity entity)
(put-text-property nb ne 'mime-view-situation situation)
(put-text-property nbb ne 'mime-view-entity-body entity)
(goto-char ne)
- (if children
- (if (functionp body-presentation-method)
- (funcall body-presentation-method entity situation)
- (mime-display-multipart/mixed entity situation)
- ))
+ (if (and children body-is-visible)
+ (let ((body-presentation-method
+ (cdr (assq 'body-presentation-method situation))))
+ (if (functionp body-presentation-method)
+ (funcall body-presentation-method entity situation)
+ (mime-display-multipart/mixed entity situation))))
)))
"e" (function mime-preview-extract-current-entity))
(define-key mime-view-mode-map
"\C-c\C-p" (function mime-preview-print-current-entity))
+
+ (define-key mime-view-mode-map
+ "\C-c\C-t\C-f" (function mime-preview-toggle-header))
+ (define-key mime-view-mode-map
+ "\C-c\C-th" (function mime-preview-toggle-header))
+ (define-key mime-view-mode-map
+ "\C-c\C-t\C-c" (function mime-preview-toggle-content))
+
+ (define-key mime-view-mode-map
+ "\C-c\C-v\C-f" (function mime-preview-show-header))
+ (define-key mime-view-mode-map
+ "\C-c\C-vh" (function mime-preview-show-header))
+ (define-key mime-view-mode-map
+ "\C-c\C-v\C-c" (function mime-preview-show-content))
+
+ (define-key mime-view-mode-map
+ "\C-c\C-d\C-f" (function mime-preview-hide-header))
+ (define-key mime-view-mode-map
+ "\C-c\C-dh" (function mime-preview-hide-header))
(define-key mime-view-mode-map
- "\C-c\C-t\C-h" (function mime-preview-toggle-header))
+ "\C-c\C-d\C-c" (function mime-preview-hide-content))
+
(define-key mime-view-mode-map
"a" (function mime-preview-follow-current-entity))
(define-key mime-view-mode-map
(setq preview-buffer
(concat "*Preview-" (mime-entity-name message) "*")))
(or original-major-mode
- (setq original-major-mode
- (with-current-buffer (mime-entity-header-buffer message)
- major-mode)))
+ (setq original-major-mode major-mode))
(let ((inhibit-read-only t))
(set-buffer (get-buffer-create preview-buffer))
(widen)
)
(setq mime-message-structure (mime-open-entity type raw-buffer))
(or (mime-entity-content-type mime-message-structure)
- (mime-entity-set-content-type-internal
- mime-message-structure ctl))
+ (mime-entity-set-content-type mime-message-structure ctl))
)
(or (mime-entity-encoding mime-message-structure)
- (mime-entity-set-encoding-internal mime-message-structure encoding))
+ (mime-entity-set-encoding mime-message-structure encoding))
))
(mime-display-message mime-message-structure preview-buffer
mother default-keymap-or-function)
;;; @@ utility
;;;
-(defun mime-preview-find-boundary-info (&optional get-mother)
+(defun mime-preview-find-boundary-info (&optional with-children)
+ "Return boundary information of current part.
+If WITH-CHILDREN, refer boundary surrounding current part and its branches."
(let (entity
p-beg p-end
entity-node-id len)
((null entity-node-id)
(setq p-end (point-max))
)
- (get-mother
+ (with-children
(save-excursion
- (goto-char p-end)
(catch 'tag
- (let (e)
+ (let (e i)
(while (setq e
(next-single-property-change
(point) 'mime-view-entity))
(goto-char e)
(let ((rc (mime-entity-node-id
- (get-text-property (1- (point))
+ (get-text-property (point)
'mime-view-entity))))
- (or (equal entity-node-id
- (nthcdr (- (length rc) len) rc))
+ (or (and (>= (setq i (- (length rc) len)) 0)
+ (equal entity-node-id (nthcdr i rc)))
(throw 'tag nil)))
- (setq p-end e)))
+ (setq p-end (or (next-single-property-change
+ (point) 'mime-view-entity)
+ (point-max)))))
(setq p-end (point-max))))
))
(vector p-beg p-end entity)))
(interactive)
(let ((entity (mime-preview-find-boundary-info t))
p-beg p-end
- ph-end)
+ pb-beg)
(setq p-beg (aref entity 0)
p-end (aref entity 1)
entity (aref entity 2))
- (setq ph-end
- (next-single-property-change p-beg 'mime-view-entity-header))
- (if (or (null ph-end)
- (> ph-end p-end))
- (setq ph-end p-end))
+ (if (get-text-property p-beg 'mime-view-entity-body)
+ (setq pb-beg p-beg)
+ (setq pb-beg
+ (next-single-property-change
+ p-beg 'mime-view-entity-body nil
+ (or (next-single-property-change p-beg 'mime-view-entity)
+ p-end))))
(let* ((mode (mime-preview-original-major-mode 'recursive))
(entity-node-id (mime-entity-node-id entity))
(new-name
(save-excursion
(set-buffer (setq new-buf (get-buffer-create new-name)))
(erase-buffer)
- (insert-buffer-substring the-buf ph-end p-end)
- (when (= ph-end p-beg)
- (goto-char (point-min))
- (insert ?\n))
+ (insert ?\n)
+ (insert-buffer-substring the-buf pb-beg p-end)
(goto-char (point-min))
(let ((current-entity
(if (and (eq (mime-entity-media-type entity) 'message)
(eq (mime-entity-media-subtype entity) 'rfc822))
(car (mime-entity-children entity))
- entity))
- str)
+ entity)))
(while (and current-entity
- (progn
- (setq str
- (with-current-buffer
- (mime-entity-header-buffer current-entity)
- (save-restriction
- (narrow-to-region
- (mime-entity-header-start-point
- current-entity)
- (mime-entity-header-end-point
- current-entity))
- (std11-header-string-except
- (concat
- "^"
- (apply (function regexp-or) fields)
- ":") ""))))
- (if (and (eq (mime-entity-media-type
- current-entity) 'message)
- (eq (mime-entity-media-subtype
- current-entity) 'rfc822))
- nil
- (if str
- (insert str)
- )
- t)))
+ (if (and (eq (mime-entity-media-type
+ current-entity) 'message)
+ (eq (mime-entity-media-subtype
+ current-entity) 'rfc822))
+ nil
+ (mime-insert-header current-entity fields)
+ t))
(setq fields (std11-collect-field-names)
current-entity (mime-entity-parent current-entity))
- )
- )
+ ))
(let ((rest mime-view-following-required-fields-list)
field-name ret)
(while rest
)))
(setq rest (cdr rest))
))
- (mime-decode-header-in-buffer)
)
(let ((f (cdr (assq mode mime-preview-following-method-alist))))
(if (functionp f)
;;; @@ display
;;;
-(defun mime-preview-toggle-header ()
- (interactive)
+(defun mime-preview-toggle-display (type &optional display)
(let ((situation (mime-preview-find-boundary-info))
+ (sym (intern (concat "*" (symbol-name type))))
entity p-beg p-end)
(setq p-beg (aref situation 0)
p-end (aref situation 1)
entity (aref situation 2)
situation (get-text-property p-beg 'mime-view-situation))
- (let ((cell (assq '*header situation)))
- (if (null cell)
- (setq cell (assq 'header situation)))
- (if (eq (cdr cell) 'visible)
- (setq situation (put-alist '*header 'invisible situation))
- (setq situation (put-alist '*header 'visible situation))))
+ (cond ((eq display 'invisible)
+ (setq display nil))
+ (display)
+ (t
+ (setq display
+ (eq (cdr (or (assq sym situation)
+ (assq type situation)))
+ 'invisible))))
+ (setq situation (put-alist sym (if display
+ 'visible
+ 'invisible)
+ situation))
(save-excursion
(let ((inhibit-read-only t))
(delete-region p-beg p-end)
(mime-display-entity entity situation)))
- ;; (ctree-set-calist-strictly 'mime-preview-condition situation)
(let ((ret (assoc situation mime-preview-situation-example-list)))
(if ret
(setcdr ret (1+ (cdr ret)))
(add-to-list 'mime-preview-situation-example-list
(cons situation 0))))))
+(defun mime-preview-toggle-header (&optional force-visible)
+ (interactive "P")
+ (mime-preview-toggle-display 'header force-visible))
+
+(defun mime-preview-toggle-content (&optional force-visible)
+ (interactive "P")
+ (mime-preview-toggle-display 'body force-visible))
+
+(defun mime-preview-show-header ()
+ (interactive)
+ (mime-preview-toggle-display 'header 'visible))
+
+(defun mime-preview-show-content ()
+ (interactive)
+ (mime-preview-toggle-display 'body 'visible))
+
+(defun mime-preview-hide-header ()
+ (interactive)
+ (mime-preview-toggle-display 'header 'invisible))
+
+(defun mime-preview-hide-content ()
+ (interactive)
+ (mime-preview-toggle-display 'body 'invisible))
+
;;; @@ quitting
;;;
(provide 'mime-view)
-(let* ((file mime-situation-examples-file)
- (buffer (get-buffer-create " *mime-example*")))
+(let ((file mime-situation-examples-file))
(if (file-readable-p file)
- (unwind-protect
- (save-excursion
- (set-buffer buffer)
- (erase-buffer)
- (insert-file-contents file)
- (eval-buffer)
- ;; format check
- (condition-case nil
- (let ((i 0))
- (while (and (> (length mime-preview-situation-example-list)
- mime-preview-situation-example-list-max-size)
- (< i 16))
- (setq mime-preview-situation-example-list
- (mime-reduce-situation-examples
- mime-preview-situation-example-list))
- (setq i (1+ i))
- ))
- (error (setq mime-preview-situation-example-list nil)))
- ;; (let ((rest mime-preview-situation-example-list))
- ;; (while rest
- ;; (ctree-set-calist-strictly 'mime-preview-condition
- ;; (caar rest))
- ;; (setq rest (cdr rest))))
- (condition-case nil
- (let ((i 0))
- (while (and (> (length mime-acting-situation-example-list)
- mime-acting-situation-example-list-max-size)
- (< i 16))
- (setq mime-acting-situation-example-list
- (mime-reduce-situation-examples
- mime-acting-situation-example-list))
- (setq i (1+ i))
- ))
- (error (setq mime-acting-situation-example-list nil)))
- )
- (kill-buffer buffer))))
+ (with-temp-buffer
+ (insert-file-contents file)
+ (setq mime-situation-examples-file-coding-system
+ (static-cond
+ ((boundp 'buffer-file-coding-system)
+ (symbol-value 'buffer-file-coding-system))
+ ((boundp 'file-coding-system)
+ (symbol-value 'file-coding-system))
+ (t nil)))
+ (eval-buffer)
+ ;; format check
+ (condition-case nil
+ (let ((i 0))
+ (while (and (> (length mime-preview-situation-example-list)
+ mime-preview-situation-example-list-max-size)
+ (< i 16))
+ (setq mime-preview-situation-example-list
+ (mime-reduce-situation-examples
+ mime-preview-situation-example-list))
+ (setq i (1+ i))))
+ (error (setq mime-preview-situation-example-list nil)))
+ ;; (let ((rest mime-preview-situation-example-list))
+ ;; (while rest
+ ;; (ctree-set-calist-strictly 'mime-preview-condition
+ ;; (caar rest))
+ ;; (setq rest (cdr rest))))
+ (condition-case nil
+ (let ((i 0))
+ (while (and (> (length mime-acting-situation-example-list)
+ mime-acting-situation-example-list-max-size)
+ (< i 16))
+ (setq mime-acting-situation-example-list
+ (mime-reduce-situation-examples
+ mime-acting-situation-example-list))
+ (setq i (1+ i))))
+ (error (setq mime-acting-situation-example-list nil))))))
;;; mime-view.el ends here
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