;;; mime-view.el --- interactive MIME viewer for GNU Emacs
-;; Copyright (C) 1995,1996,1997,1998,1999 Free Software Foundation, Inc.
+;; Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Created: 1994/07/13
;; Renamed: 1994/08/31 from tm-body.el
;; Renamed: 1997/02/19 from tm-view.el
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
;;; Code:
-(require 'emu)
(require 'mime)
(require 'semi-def)
(require 'calist)
(require 'alist)
-(require 'mailcap)
+(require 'mime-conf)
+
+(eval-when-compile (require 'static))
;;; @ version
"MIME view mode"
:group 'mime)
-(defcustom mime-view-find-every-acting-situation t
- "*Find every available acting-situation if non-nil."
- :group 'mime-view
- :type 'boolean)
-
-(defcustom mime-acting-situation-examples-file "~/.mime-example"
- "*File name of example about acting-situation demonstrated by user."
+(defcustom mime-situation-examples-file "~/.mime-example"
+ "*File name of situation-examples demonstrated by user."
:group 'mime-view
:type 'file)
(const :tag "On" t)
(sexp :tag "Situation" 1)))
+(defcustom mime-view-mailcap-files
+ (let ((files '("/etc/mailcap" "/usr/etc/mailcap" "~/.mailcap")))
+ (or (member mime-mailcap-file files)
+ (setq files (cons mime-mailcap-file files)))
+ files)
+ "List of mailcap files."
+ :group 'mime-view
+ :type '(repeat file))
+
+(defcustom mime-view-buttons-visible t
+ "Toggle visibility of MIME buttons."
+ :group 'mime-view
+ :type 'boolean)
+
;;; @ in raw-buffer (representation space)
;;;
`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
+ &rest ignored-values)
+ (let (dest)
+ (while situations
+ (let* ((situation (car situations))
+ (cell (assq field situation)))
+ (if cell
+ (or (memq (cdr cell) ignored-values)
+ (setq dest (cons situation dest))
+ )))
+ (setq situations (cdr situations)))
+ dest))
+
+(defun mime-compare-situation-with-example (situation example)
+ (let ((example (copy-alist example))
+ (match 0))
+ (while situation
+ (let* ((cell (car situation))
+ (key (car cell))
+ (ecell (assoc key example)))
+ (when ecell
+ (if (equal cell ecell)
+ (setq match (1+ match))
+ (setq example (delq ecell example))
+ ))
+ )
+ (setq situation (cdr situation))
+ )
+ (cons match example)
+ ))
+
+(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))
+ )))
+ )
+
+(defun mime-unify-situations (entity-situation
+ condition situation-examples
+ &optional required-name ignored-value
+ every-situations)
+ (let (ret)
+ (in-calist-package 'mime-view)
+ (setq ret
+ (ctree-find-calist condition entity-situation
+ every-situations))
+ (if required-name
+ (setq ret (mime-delq-null-situation ret required-name
+ ignored-value t)))
+ (or (assq 'ignore-examples entity-situation)
+ (if (cdr ret)
+ (let ((rest ret)
+ (max-score 0)
+ (max-escore 0)
+ max-examples
+ max-situations)
+ (while rest
+ (let ((situation (car rest))
+ (examples situation-examples))
+ (while examples
+ (let* ((ret
+ (mime-compare-situation-with-example
+ situation (caar examples)))
+ (ret-score (car ret)))
+ (cond ((> ret-score max-score)
+ (setq max-score ret-score
+ max-escore (cdar examples)
+ max-examples (list (cdr ret))
+ max-situations (list situation))
+ )
+ ((= ret-score max-score)
+ (cond ((> (cdar examples) max-escore)
+ (setq max-escore (cdar examples)
+ max-examples (list (cdr ret))
+ max-situations (list situation))
+ )
+ ((= (cdar examples) max-escore)
+ (setq max-examples
+ (cons (cdr ret) max-examples))
+ (or (member situation max-situations)
+ (setq max-situations
+ (cons situation max-situations)))
+ )))))
+ (setq examples (cdr examples))))
+ (setq rest (cdr rest)))
+ (when max-situations
+ (setq ret max-situations)
+ (while max-examples
+ (let* ((example (car max-examples))
+ (cell
+ (assoc example situation-examples)))
+ (if cell
+ (setcdr cell (1+ (cdr cell)))
+ (setq situation-examples
+ (cons (cons example 0)
+ situation-examples))
+ ))
+ (setq max-examples (cdr max-examples))
+ )))))
+ (cons ret situation-examples)
+ ;; ret: list of situations
+ ;; situation-examples: new examples (notoce that contents of
+ ;; argument `situation-examples' has bees modified)
+ ))
+
(defun mime-view-entity-title (entity)
(or (mime-entity-read-field entity 'Content-Description)
(mime-entity-read-field entity 'Subject)
(mime-entity-filename entity)
""))
-
-;; (defsubst mime-raw-point-to-entity-node-id (point &optional message-info)
-;; "Return entity-node-id from POINT in mime-raw-buffer.
-;; If optional argument MESSAGE-INFO is not specified,
-;; `mime-message-structure' is used."
-;; (mime-entity-node-id (mime-raw-find-entity-from-point point message-info)))
-
-;; (make-obsolete 'mime-raw-point-to-entity-node-id "don't use it.")
-
-;; (defsubst mime-raw-point-to-entity-number (point &optional message-info)
-;; "Return entity-number from POINT in mime-raw-buffer.
-;; If optional argument MESSAGE-INFO is not specified,
-;; `mime-message-structure' is used."
-;; (mime-entity-number (mime-raw-find-entity-from-point point message-info)))
-
-;; (make-obsolete 'mime-raw-point-to-entity-number "don't use it.")
-
-;; (defun mime-raw-flatten-message-info (&optional message-info)
-;; "Return list of entity 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))
-;; (let ((dest (list message-info))
-;; (rcl (mime-entity-children message-info)))
-;; (while rcl
-;; (setq dest (nconc dest (mime-raw-flatten-message-info (car rcl))))
-;; (setq rcl (cdr rcl)))
-;; dest))
+(defvar mime-preview-situation-example-list nil)
+(defvar mime-preview-situation-example-list-max-size 16)
+;; (defvar mime-preview-situation-example-condition nil)
+
+(defun mime-find-entity-preview-situation (entity
+ &optional default-situation)
+ (or (let ((ret
+ (mime-unify-situations
+ (append (mime-entity-situation entity)
+ default-situation)
+ mime-preview-condition
+ mime-preview-situation-example-list)))
+ (setq mime-preview-situation-example-list
+ (cdr ret))
+ (caar ret))
+ default-situation))
+
+
+(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-view-read-situation-examples-file (&optional file)
+ (or file
+ (setq file mime-situation-examples-file))
+ (if (and file
+ (file-readable-p file))
+ (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))
+ ;; (and (boundp 'buffer-file-coding-system)
+ ;; buffer-file-coding-system)
+ )
+ (condition-case error
+ (eval-buffer)
+ (error (message "%s is broken: %s" file (cdr error))))
+ ;; 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))))))
+
+(defun mime-save-situation-examples ()
+ (if (or mime-preview-situation-example-list
+ mime-acting-situation-example-list)
+ (let ((file mime-situation-examples-file)
+ print-length print-level)
+ (when 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-coding-system
+ ;; mime-situation-examples-file-coding-system)
+ (setq buffer-file-name file)
+ (save-buffer))))))
+
+(add-hook 'kill-emacs-hook 'mime-save-situation-examples)
+
+(defun mime-reduce-situation-examples (situation-examples)
+ (let ((len (length situation-examples))
+ i ir ic j jr jc ret
+ dest d-i d-j
+ (max-sim 0) sim
+ min-det-ret det-ret
+ min-det-org det-org
+ min-freq freq)
+ (setq i 0
+ ir situation-examples)
+ (while (< i len)
+ (setq ic (car ir)
+ j 0
+ jr situation-examples)
+ (while (< j len)
+ (unless (= i j)
+ (setq jc (car jr))
+ (setq ret (mime-compare-situation-with-example (car ic)(car jc))
+ sim (car ret)
+ det-ret (+ (length (car ic))(length (car jc)))
+ det-org (length (cdr ret))
+ freq (+ (cdr ic)(cdr jc)))
+ (cond ((< max-sim sim)
+ (setq max-sim sim
+ min-det-ret det-ret
+ min-det-org det-org
+ min-freq freq
+ d-i i
+ d-j j
+ dest (cons (cdr ret) freq))
+ )
+ ((= max-sim sim)
+ (cond ((> min-det-ret det-ret)
+ (setq min-det-ret det-ret
+ min-det-org det-org
+ min-freq freq
+ d-i i
+ d-j j
+ dest (cons (cdr ret) freq))
+ )
+ ((= min-det-ret det-ret)
+ (cond ((> min-det-org det-org)
+ (setq min-det-org det-org
+ min-freq freq
+ d-i i
+ d-j j
+ dest (cons (cdr ret) freq))
+ )
+ ((= min-det-org det-org)
+ (cond ((> min-freq freq)
+ (setq min-freq freq
+ d-i i
+ d-j j
+ dest (cons (cdr ret) freq))
+ ))
+ ))
+ ))
+ ))
+ )
+ (setq jr (cdr jr)
+ j (1+ j)))
+ (setq ir (cdr ir)
+ i (1+ i)))
+ (if (> d-i d-j)
+ (setq i d-i
+ d-i d-j
+ d-j i))
+ (setq jr (nthcdr (1- d-j) situation-examples))
+ (setcdr jr (cddr jr))
+ (if (= d-i 0)
+ (setq situation-examples
+ (cdr situation-examples))
+ (setq ir (nthcdr (1- d-i) situation-examples))
+ (setcdr ir (cddr ir))
+ )
+ (if (setq ir (assoc (car dest) situation-examples))
+ (progn
+ (setcdr ir (+ (cdr ir)(cdr dest)))
+ situation-examples)
+ (cons dest situation-examples)
+ ;; situation-examples may be modified.
+ )))
;;; @ presentation of preview
;;; @@@ predicate function
;;;
-(defun mime-view-entity-button-visible-p (entity)
- "Return non-nil if header of ENTITY is visible.
-Please redefine this function if you want to change default setting."
- (let ((media-type (mime-entity-media-type entity))
- (media-subtype (mime-entity-media-subtype entity)))
- (or (not (eq media-type 'application))
- (and (not (eq media-subtype 'x-selection))
- (or (not (eq media-subtype 'octet-stream))
- (let ((mother-entity (mime-entity-parent entity)))
- (or (not (eq (mime-entity-media-type mother-entity)
- 'multipart))
- (not (eq (mime-entity-media-subtype mother-entity)
- 'encrypted)))
- )
- )))))
+;; (defun mime-view-entity-button-visible-p (entity)
+;; "Return non-nil if header of ENTITY is visible.
+;; Please redefine this function if you want to change default setting."
+;; (let ((media-type (mime-entity-media-type entity))
+;; (media-subtype (mime-entity-media-subtype entity)))
+;; (or (not (eq media-type 'application))
+;; (and (not (eq media-subtype 'x-selection))
+;; (or (not (eq media-subtype 'octet-stream))
+;; (let ((mother-entity (mime-entity-parent entity)))
+;; (or (not (eq (mime-entity-media-type mother-entity)
+;; 'multipart))
+;; (not (eq (mime-entity-media-subtype mother-entity)
+;; 'encrypted)))
+;; )
+;; )))))
;;; @@@ entity button generator
;;;
)))
)
(t
- (let ((media-type (mime-entity-media-type entity))
- (media-subtype (mime-entity-media-subtype entity))
- (charset (cdr (assoc "charset" params)))
- (encoding (mime-entity-encoding entity)))
+ (let* ((charset (cdr (assoc "charset" params)))
+ (encoding (mime-entity-encoding entity))
+ (rest (format " <%s/%s%s%s>"
+ (mime-entity-media-type entity)
+ (mime-entity-media-subtype entity)
+ (if charset
+ (concat "; " charset)
+ "")
+ (if encoding
+ (concat " (" encoding ")")
+ ""))))
(concat
num " " subject
- (let ((rest
- (format " <%s/%s%s%s>"
- media-type media-subtype
- (if charset
- (concat "; " charset)
- "")
- (if encoding
- (concat " (" encoding ")")
- ""))))
- (if (>= (+ (current-column)(length rest))(window-width))
- "\n\t")
- rest)))
+ (if (>= (+ (current-column)(length rest))(window-width))
+ "\n\t")
+ rest))
)))
(function mime-preview-play-current-entity))
))
(define-calist-field-match-method
'body #'mime-calist::field-match-method-as-default-rule)
+(defun mime-calist::field-match-method-ignore-case (calist
+ field-type field-value)
+ (let ((s-field (assoc field-type calist)))
+ (cond ((null s-field)
+ (cons (cons field-type field-value) calist))
+ ((eq field-value t)
+ calist)
+ ((string= (downcase (cdr s-field)) (downcase field-value))
+ calist))))
+
+(define-calist-field-match-method
+ 'access-type #'mime-calist::field-match-method-ignore-case)
+
(defvar mime-preview-condition nil
"Condition-tree about how to display entity.")
(body . visible)
(body-presentation-method . mime-display-text/richtext)))
+(autoload 'mime-display-application/x-postpet "postpet")
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . application)(subtype . x-postpet)
+ (body . visible)
+ (body-presentation-method . mime-display-application/x-postpet)))
+
(ctree-set-calist-strictly
'mime-preview-condition
'((type . text)(subtype . t)
(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 . related)
+ (body . visible)
+ (body-presentation-method . mime-display-multipart/related)))
+
+(ctree-set-calist-strictly
+ '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))
(enriched-decode beg (point-max))
)))
+
(defvar mime-view-announcement-for-message/partial
(if (and (>= emacs-major-version 19) window-system)
"\
(mapcar (function
(lambda (child)
(let ((situation
- (or (ctree-match-calist
- mime-preview-condition
- (append (mime-entity-situation child)
- default-situation))
- default-situation)))
+ (mime-find-entity-preview-situation
+ child default-situation)))
(if (cdr (assq 'body-presentation-method situation))
(let ((score
(cdr
(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)))))
+
+(defun mime-display-multipart/related (entity situation)
+ (let* ((param-start (mime-parse-msg-id
+ (std11-lexical-analyze
+ (cdr (assoc "start"
+ (mime-content-type-parameters
+ (mime-entity-content-type entity)))))))
+ (start (or (and param-start (mime-find-entity-from-content-id
+ param-start
+ entity))
+ (car (mime-entity-children entity))))
+ (original-major-mode-cell (assq 'major-mode situation))
+ (default-situation (cdr (assq 'childrens-situation situation))))
+ (when start
+ (if original-major-mode-cell
+ (setq default-situation
+ (cons original-major-mode-cell default-situation)))
+ (mime-display-entity start nil default-situation))))
;;; @ acting-condition
;;;
(defvar mime-acting-condition nil
"Condition-tree about how to process entity.")
-(if (file-readable-p mailcap-file)
- (let ((entries (mailcap-parse-file)))
- (while entries
- (let ((entry (car entries))
- view print shared)
- (while entry
- (let* ((field (car entry))
- (field-type (car field)))
- (cond ((eq field-type 'view) (setq view field))
- ((eq field-type 'print) (setq print field))
- ((memq field-type '(compose composetyped edit)))
- (t (setq shared (cons field shared))))
- )
- (setq entry (cdr entry))
+(defun mime-view-read-mailcap-files (&optional files)
+ (or files
+ (setq files mime-view-mailcap-files))
+ (let (entries file)
+ (while files
+ (setq file (car files))
+ (if (file-readable-p file)
+ (setq entries (append entries (mime-parse-mailcap-file file))))
+ (setq files (cdr files)))
+ (while entries
+ (let ((entry (car entries))
+ view print shared)
+ (while entry
+ (let* ((field (car entry))
+ (field-type (car field)))
+ (cond ((eq field-type 'view) (setq view field))
+ ((eq field-type 'print) (setq print field))
+ ((memq field-type '(compose composetyped edit)))
+ (t (setq shared (cons field shared))))
)
- (setq shared (nreverse shared))
- (ctree-set-calist-with-default
- 'mime-acting-condition
- (append shared (list '(mode . "play")(cons 'method (cdr view)))))
- (if print
- (ctree-set-calist-with-default
- 'mime-acting-condition
- (append shared
- (list '(mode . "print")(cons 'method (cdr view))))
- ))
- )
- (setq entries (cdr entries))
- )))
+ (setq entry (cdr entry)))
+ (setq shared (nreverse shared))
+ (ctree-set-calist-with-default
+ 'mime-acting-condition
+ (append shared (list '(mode . "play")(cons 'method (cdr view)))))
+ (if print
+ (ctree-set-calist-with-default
+ 'mime-acting-condition
+ (append shared
+ (list '(mode . "print")(cons 'method (cdr view)))))))
+ (setq entries (cdr entries)))))
+
+(mime-view-read-mailcap-files)
(ctree-set-calist-strictly
'mime-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
- (or (ctree-match-calist mime-preview-condition
- (append (mime-entity-situation entity)
- default-situation))
- default-situation)))
+ (mime-find-entity-preview-situation entity default-situation)))
(let ((button-is-invisible
- (eq (cdr (assq 'entity-button situation)) 'invisible))
+ (or (not mime-view-buttons-visible)
+ (eq (cdr (or (assq '*entity-button situation)
+ (assq 'entity-button situation)))
+ 'invisible)))
(header-is-visible
- (eq (cdr (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)))
+ (eq (cdr (or (assq '*header situation)
+ (assq 'header situation)))
+ 'visible))
+ (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))
(narrow-to-region nb nb)
(or button-is-invisible
- (if (mime-view-entity-button-visible-p entity)
- (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 (mime-view-entity-button-visible-p entity)
+ (mime-view-insert-entity-button entity)
+ ;; )
+ )
+ (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)))
+ (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))))
)))
(set-buffer (event-buffer event))
(popup-menu 'mime-view-xemacs-popup-menu))
(defvar mouse-button-2 'button2)
+ (defvar mouse-button-3 'button3)
)
(t
+ (defvar mime-view-popup-menu
+ (let ((menu (make-sparse-keymap mime-view-menu-title)))
+ (nconc menu
+ (mapcar (function
+ (lambda (item)
+ (list (intern (nth 1 item)) 'menu-item
+ (nth 1 item)(nth 2 item))
+ ))
+ mime-view-menu-list))))
+ (defun mime-view-popup-menu (event)
+ "Popup the menu in the MIME Viewer buffer"
+ (interactive "@e")
+ (let ((menu mime-view-popup-menu) events func)
+ (setq events (x-popup-menu t menu))
+ (and events
+ (setq func (lookup-key menu (apply #'vector events)))
+ (commandp func)
+ (funcall func))))
(defvar mouse-button-2 [mouse-2])
+ (defvar mouse-button-3 [mouse-3])
))
(defun mime-view-define-keymap (&optional default)
(let ((mime-view-mode-map (if (keymapp default)
(copy-keymap default)
- (make-sparse-keymap)
- )))
+ (make-sparse-keymap))))
(define-key mime-view-mode-map
"u" (function mime-preview-move-to-upper))
(define-key mime-view-mode-map
"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-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
mouse-button-3 (function mime-view-xemacs-popup-menu))
)
((>= emacs-major-version 19)
+ (define-key mime-view-mode-map
+ mouse-button-3 (function mime-view-popup-menu))
(define-key mime-view-mode-map [menu-bar mime-view]
(cons mime-view-menu-title
(make-sparse-keymap mime-view-menu-title)))
(lambda (item)
(define-key mime-view-mode-map
(vector 'menu-bar 'mime-view (car item))
- (cons (nth 1 item)(nth 2 item))
- )
+ (cons (nth 1 item)(nth 2 item)))
))
- (reverse mime-view-menu-list)
- )
+ (reverse mime-view-menu-list))
))
- (use-local-map mime-view-mode-map)
- (run-hooks 'mime-view-define-keymap-hook)
- ))
+ ;; (run-hooks 'mime-view-define-keymap-hook)
+ mime-view-mode-map))
+
+(defvar mime-view-mode-default-map (mime-view-define-keymap))
+
(defsubst mime-maybe-hide-echo-buffer ()
"Clear mime-echo buffer and delete window for it."
;;;###autoload
(defun mime-display-message (message &optional preview-buffer
mother default-keymap-or-function
- original-major-mode)
+ original-major-mode keymap)
"View MESSAGE in MIME-View mode.
Optional argument PREVIEW-BUFFER specifies the buffer of the
Optional argument DEFAULT-KEYMAP-OR-FUNCTION is nil, keymap or
function. If it is a keymap, keymap of MIME-View mode will be added
to it. If it is a function, it will be bound as default binding of
-keymap of MIME-View mode."
+keymap of MIME-View mode.
+
+Optional argument ORIGINAL-MAJOR-MODE is major-mode of representation
+buffer of MESSAGE. If it is nil, current `major-mode' is used.
+
+Optional argument KEYMAP is keymap of MIME-View mode. If it is
+non-nil, DEFAULT-KEYMAP-OR-FUNCTION is ignored. If it is nil,
+`mime-view-mode-default-map' is used."
(mime-maybe-hide-echo-buffer)
(let ((win-conf (current-window-configuration)))
(or preview-buffer
(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)
(erase-buffer)
(if mother
- (setq mime-mother-buffer mother)
- )
+ (setq mime-mother-buffer mother))
(setq mime-preview-original-window-configuration win-conf)
(setq major-mode 'mime-view-mode)
(setq mode-name "MIME-View")
(header . visible)
(major-mode . ,original-major-mode))
preview-buffer)
- (mime-view-define-keymap default-keymap-or-function)
+ (use-local-map
+ (or keymap
+ (if default-keymap-or-function
+ (mime-view-define-keymap default-keymap-or-function)
+ mime-view-mode-default-map)))
(let ((point
(next-single-property-change (point-min) 'mime-view-entity)))
(if point
(goto-char point)
(goto-char (point-min))
- (search-forward "\n\n" nil t)
- ))
+ (search-forward "\n\n" nil t)))
(run-hooks 'mime-view-mode-hook)
(set-buffer-modified-p nil)
(setq buffer-read-only t)
)
(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 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)
+ (while (and
+ (null (setq entity
+ (get-text-property (point) 'mime-view-entity)))
+ (> (point) (point-min)))
+ (backward-char))
+ (setq p-beg (previous-single-property-change (point) 'mime-view-entity))
+ (setq entity-node-id (and entity (mime-entity-node-id entity)))
+ (setq len (length entity-node-id))
+ (cond ((null p-beg)
+ (setq p-beg
+ (if (eq (next-single-property-change (point-min)
+ 'mime-view-entity)
+ (point))
+ (point)
+ (point-min)))
+ )
+ ((eq (next-single-property-change p-beg 'mime-view-entity)
+ (point))
+ (setq p-beg (point))
+ ))
+ (setq p-end (next-single-property-change p-beg 'mime-view-entity))
+ (cond ((null p-end)
+ (setq p-end (point-max))
+ )
+ ((null entity-node-id)
+ (setq p-end (point-max))
+ )
+ (with-children
+ (save-excursion
+ (catch 'tag
+ (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 (point)
+ 'mime-view-entity))))
+ (or (and (>= (setq i (- (length rc) len)) 0)
+ (equal entity-node-id (nthcdr i rc)))
+ (throw 'tag nil)))
+ (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)))
+
+
;;; @@ playing
;;;
It calls following-method selected from variable
`mime-preview-following-method-alist'."
(interactive)
- (let (entity)
- (while (null (setq entity
- (get-text-property (point) 'mime-view-entity)))
- (backward-char)
- )
- (let* ((p-beg
- (previous-single-property-change (point) 'mime-view-entity))
- p-end
- ph-end
- (entity-node-id (mime-entity-node-id entity))
- (len (length entity-node-id))
- )
- (cond ((null p-beg)
- (setq p-beg
- (if (eq (next-single-property-change (point-min)
- 'mime-view-entity)
- (point))
- (point)
- (point-min)))
- )
- ((eq (next-single-property-change p-beg 'mime-view-entity)
- (point))
- (setq p-beg (point))
- ))
- (setq p-end (next-single-property-change p-beg 'mime-view-entity))
- (cond ((null p-end)
- (setq p-end (point-max))
- )
- ((null entity-node-id)
- (setq p-end (point-max))
- )
- (t
- (save-excursion
- (goto-char p-end)
- (catch 'tag
- (let (e)
- (while (setq e
- (next-single-property-change
- (point) 'mime-view-entity))
- (goto-char e)
- (let ((rc (mime-entity-node-id
- (get-text-property (point)
- 'mime-view-entity))))
- (or (equal entity-node-id
- (nthcdr (- (length rc) len) rc))
- (throw 'tag nil)
- ))
- (setq p-end e)
- ))
- (setq p-end (point-max))
- ))
- ))
- (setq ph-end
- (previous-single-property-change p-end 'mime-view-entity-header))
- (if (or (null ph-end)
- (< ph-end p-beg))
- (setq ph-end p-beg)
- )
- (let* ((mode (mime-preview-original-major-mode 'recursive))
- (new-name
- (format "%s-%s" (buffer-name) (reverse entity-node-id)))
- new-buf
- (the-buf (current-buffer))
- fields)
- (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))
- (goto-char (point-min))
- (let ((current-entity
- (if (and (eq (mime-entity-media-type entity) 'message)
- (eq (mime-entity-media-subtype entity) 'rfc822))
- (mime-entity-children entity)
- entity))
- str)
- (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)))
- (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 field-name (car rest))
- (or (std11-field-body field-name)
- (progn
- (save-excursion
- (set-buffer the-buf)
- (setq ret
- (when mime-mother-buffer
- (set-buffer mime-mother-buffer)
- (mime-entity-fetch-field
- (get-text-property (point)
- 'mime-view-entity)
- field-name))))
- (if ret
- (insert (concat field-name ": " ret "\n"))
- )))
- (setq rest (cdr rest))
- ))
- (mime-decode-header-in-buffer)
- )
- (let ((f (cdr (assq mode mime-preview-following-method-alist))))
- (if (functionp f)
- (funcall f new-buf)
- (message
- (format
- "Sorry, following method for %s is not implemented yet."
- mode))
+ (let* ((boundary-info (mime-preview-find-boundary-info t))
+ (p-beg (aref boundary-info 0))
+ (p-end (aref boundary-info 1))
+ (entity (aref boundary-info 2))
+ pb-beg)
+ (if (or (get-text-property p-beg 'mime-view-entity-body)
+ (null entity))
+ (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 (and entity (mime-entity-node-id entity)))
+ (new-name
+ (format "%s-%s" (buffer-name) (reverse entity-node-id)))
+ new-buf
+ (the-buf (current-buffer))
+ fields)
+ (save-excursion
+ (set-buffer (setq new-buf (get-buffer-create new-name)))
+ (erase-buffer)
+ (insert ?\n)
+ (insert-buffer-substring the-buf pb-beg p-end)
+ (goto-char (point-min))
+ (let ((current-entity
+ (if (and entity
+ (eq (mime-entity-media-type entity) 'message)
+ (eq (mime-entity-media-subtype entity) 'rfc822))
+ (car (mime-entity-children entity))
+ entity)))
+ (while (and current-entity
+ (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 field-name (car rest))
+ (or (std11-field-body field-name)
+ (progn
+ (save-excursion
+ (set-buffer the-buf)
+ (let ((entity (when mime-mother-buffer
+ (set-buffer mime-mother-buffer)
+ (get-text-property (point)
+ 'mime-view-entity))))
+ (while (and entity
+ (null (setq ret (mime-entity-fetch-field
+ entity field-name))))
+ (setq entity (mime-entity-parent entity)))))
+ (if ret
+ (insert (concat field-name ": " ret "\n"))
+ )))
+ (setq rest (cdr rest))
+ ))
+ )
+ (let ((f (cdr (assq mode mime-preview-following-method-alist))))
+ (if (functionp f)
+ (funcall f new-buf)
+ (message
+ "Sorry, following method for %s is not implemented yet."
+ mode)
+ ))
+ )))
;;; @@ moving
(mime-preview-scroll-down-entity (or lines 1))
)
+
+;;; @@ display
+;;;
+
+(defun mime-preview-toggle-display (type &optional display)
+ (let ((situation (mime-preview-find-boundary-info t))
+ (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))
+ (cond ((eq display 'invisible)
+ (setq display nil))
+ (display)
+ (t
+ (setq display
+ (memq (cdr (or (assq sym situation)
+ (assq type situation)))
+ '(nil 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)))
+ (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)
-(run-hooks 'mime-view-load-hook)
+(eval-when-compile
+ (setq mime-situation-examples-file nil)
+ ;; to avoid to read situation-examples-file at compile time.
+ )
+
+(mime-view-read-situation-examples-file)
;;; mime-view.el ends here
projects / elisp / semi.git / blobdiff