;;; 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
;; 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)
+(require 'mcharset)
+
+(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))
+
+(defvar mime-view-automatic-conversion 'undecided)
+
+
;;; @ in raw-buffer (representation space)
;;;
(defvar mime-raw-representation-type-alist
'((mime-show-message-mode . binary)
(mime-temp-message-mode . binary)
- (t . cooked)
- )
+ (t . cooked))
"Alist of major-mode vs. representation-type of mime-raw-buffer.
Each element looks like (SYMBOL . REPRESENTATION-TYPE). SYMBOL is
major-mode or t. t means default. REPRESENTATION-TYPE must be
`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)
;;;
(if (and recursive mime-mother-buffer)
(save-excursion
(set-buffer mime-mother-buffer)
- (mime-preview-original-major-mode recursive)
- )
+ (mime-preview-original-major-mode recursive))
(cdr (assq 'major-mode
(get-text-property (or point
(if (> (point) (buffer-size))
(setq rest (or (mime-entity-content-type entity)
(make-mime-content-type 'text 'plain))
situation (cons (car rest) situation)
- rest (cdr rest))
- )
+ rest (cdr rest)))
(unless (assq 'subtype situation)
(or rest
(setq rest (or (cdr (mime-entity-content-type entity))
'((subtype . plain)))))
(setq situation (cons (car rest) situation)
- rest (cdr rest))
- )
+ rest (cdr rest)))
(while rest
(setq param (car rest))
(or (assoc (car param) situation)
(setq situation (cons (cons 'disposition-type
(mime-content-disposition-type rest))
situation)
- rest (mime-content-disposition-parameters rest))
- ))
+ rest (mime-content-disposition-parameters rest))))
(while rest
(setq param (car rest)
name (car param))
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)
- (setq dest (cons situation dest))
- )))
+ (or (memq (cdr cell) ignored-values)
+ (setq dest (cons situation dest)))))
(setq situations (cdr situations)))
dest))
(when ecell
(if (equal cell ecell)
(setq match (1+ match))
- (setq example (delq ecell example))
- ))
- )
- (setq situation (cdr situation))
- )
- (cons match example)
- ))
+ (setq example (delq ecell example)))))
+ (setq situation (cdr situation)))
+ (cons match example)))
(defun mime-sort-situation (situation)
(sort situation
(mode . 3)
(method . 4)
(major-mode . 5)
- (disposition-type . 6)
- ))
+ (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)
- )
+ (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)
- )
+ (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))
- )))
- )
+ (< a-order b-order))))))
-(defun mime-unify-situations (entity-situation condition situation-examples
- &optional ignored-method)
+(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
- (mime-delq-null-situation
- (ctree-find-calist condition entity-situation
- mime-view-find-every-acting-situation)
- 'method ignored-method))
+ (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)
(setq max-score ret-score
max-escore (cdar examples)
max-examples (list (cdr ret))
- max-situations (list situation))
- )
+ 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))
- )
+ 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)))
- )))))
+ (cons situation max-situations))))))))
(setq examples (cdr examples))))
(setq rest (cdr rest)))
(when max-situations
(setcdr cell (1+ (cdr cell)))
(setq situation-examples
(cons (cons example 0)
- situation-examples))
- ))
- (setq max-examples (cdr max-examples))
- )))))
+ situation-examples))))
+ (setq max-examples (cdr max-examples)))))))
(cons ret situation-examples)
;; ret: list of situations
;; situation-examples: new examples (notoce that contents of
(mime-entity-filename entity)
""))
+(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)
+ (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
;;;
(if (consp entity-node-id)
(mapconcat (function
(lambda (num)
- (format "%s" (1+ num))
- ))
+ (format "%s" (1+ num))))
(reverse entity-node-id) ".")
- "0"))
- ))
+ "0"))))
(cond (access-type
(let ((server (assoc "server" params)))
(setq access-type (cdr access-type))
num subject access-type (cdr server))
(let ((site (cdr (assoc "site" params)))
(dir (cdr (assoc "directory" params)))
- (url (cdr (assoc "url" params)))
- )
+ (url (cdr (assoc "url" params))))
(if url
(format "%s %s ([%s] %s)"
num subject access-type url)
(format "%s %s ([%s] %s:%s)"
- num subject access-type site dir))
- )))
- )
+ num subject access-type site dir))))))
(t
(let ((media-type (mime-entity-media-type entity))
(media-subtype (mime-entity-media-subtype entity))
""))))
(if (>= (+ (current-column)(length rest))(window-width))
"\n\t")
- rest)))
- )))
- (function mime-preview-play-current-entity))
- ))
+ rest))))))
+ (function mime-preview-play-current-entity))))
;;; @@ entity-header
field-type field-value)
(let ((s-field (assq field-type calist)))
(cond ((null s-field)
- (cons (cons field-type field-value) calist)
- )
+ (cons (cons field-type field-value) calist))
(t calist))))
(define-calist-field-match-method
(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/plain)))
+(defvar mime-preview-fill-flowed-text
+ (module-installed-p 'flow-fill)
+ "If non-nil, fill RFC2646 \"flowed\" text.")
+
+(autoload 'fill-flowed "flow-fill")
+
+(defvar mime-preview-inline-fontify t
+ "If non-nil, fontify the inline part.")
+
(ctree-set-calist-strictly
'mime-preview-condition
'((type . nil)
(ctree-set-calist-strictly
'mime-preview-condition
+ '((type . application)(subtype . emacs-lisp)
+ (body . visible)
+ (body-presentation-method . mime-display-application/emacs-lisp)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
'((type . text)(subtype . t)
(body . visible)
(body-presentation-method . mime-display-text/plain)))
(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 . rfc822)
- (body-presentation-method . nil)
- (childrens-situation (header . visible)
- (entity-button . invisible))))
+ '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 . news)
- (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 . 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
+ (if (and mime-preview-inline-fontify
+ (mime-entity-filename entity)) ;should be an attachment.
+ (mime-view-insert-fontified-text-content entity situation)
+ (mime-view-insert-text-content entity situation))
+ (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))
- (insert "\n")
- )
+ (insert "\n"))
+ (if (and mime-preview-fill-flowed-text
+ (equal (cdr (assoc "format" situation)) "flowed"))
+ (fill-flowed))
(mime-add-url-buttons)
- (run-hooks 'mime-display-text/plain-hook)
- ))
+ (run-hooks 'mime-display-text/plain-hook)))
(defun mime-display-text/richtext (entity situation)
(save-restriction
(narrow-to-region (point-max)(point-max))
- (mime-insert-text-content entity)
+ (mime-view-insert-text-content entity situation)
(run-hooks 'mime-text-decode-hook)
(let ((beg (point-min)))
(remove-text-properties beg (point-max) '(face nil))
- (richtext-decode beg (point-max))
- )))
+ (richtext-decode beg (point-max)))))
(defun mime-display-text/enriched (entity situation)
(save-restriction
(narrow-to-region (point-max)(point-max))
- (mime-insert-text-content entity)
+ (mime-view-insert-text-content entity situation)
(run-hooks 'mime-text-decode-hook)
(let ((beg (point-min)))
(remove-text-properties beg (point-max) '(face nil))
- (enriched-decode beg (point-max))
- )))
-
+ (enriched-decode beg (point-max)))))
(defvar mime-view-announcement-for-message/partial
- (if (and (>= emacs-major-version 19) window-system)
- "\
-\[[ This is message/partial style split message. ]]
-\[[ Please press `v' key in this buffer ]]
-\[[ or click here by mouse button-2. ]]"
- "\
-\[[ This is message/partial style split message. ]]
-\[[ Please press `v' key in this buffer. ]]"
- ))
+ "This is message/partial style split message.")
(defun mime-display-message/partial-button (&optional entity situation)
(save-restriction
(goto-char (point-max))
(if (not (search-backward "\n\n" nil t))
- (insert "\n")
- )
+ (insert "\n"))
(goto-char (point-max))
- (narrow-to-region (point-max)(point-max))
- (insert mime-view-announcement-for-message/partial)
- (mime-add-button (point-min)(point-max)
- #'mime-preview-play-current-entity)
- ))
+ (mime-insert-button mime-view-announcement-for-message/partial
+ #'mime-preview-play-current-entity)))
(defun mime-display-multipart/mixed (entity situation)
(let ((children (mime-entity-children entity))
(cons original-major-mode-cell default-situation)))
(while children
(mime-display-entity (car children) nil default-situation)
- (setq children (cdr children))
- )))
+ (setq children (cdr children)))))
(defcustom mime-view-type-subtype-score-alist
'(((text . enriched) . 3)
(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
mime-view-type-subtype-score-alist)
(assq
t
- mime-view-type-subtype-score-alist)
- ))))
+ mime-view-type-subtype-score-alist)))))
(if (> score max-score)
(setq p i
- max-score score)
- )))
+ max-score score))))
(setq i (1+ i))
- situation)
- ))
+ situation)))
children))
(setq i 0)
(while children
(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))))
+
+(defun mime-view-entity-content (entity situation)
+ (mime-decode-string
+ (mime-entity-body entity)
+ (mime-view-guess-encoding entity situation)))
+
+(defun mime-view-insert-text-content (entity situation)
+ (let (compression-info)
+ (cond
+ ((and (mime-entity-filename entity)
+ (featurep 'jka-compr)
+ (jka-compr-installed-p)
+ (setq compression-info (jka-compr-get-compression-info
+ (mime-entity-filename entity))))
+ (insert
+ (mime-view-filter-text-content
+ (mime-view-entity-content entity situation)
+ (jka-compr-info-uncompress-program compression-info)
+ (jka-compr-info-uncompress-args compression-info))))
+ ((or (assq '*encoding situation) ;should be specified by user
+ (assq '*charset situation)) ;should be specified by user
+ (insert
+ (decode-mime-charset-string
+ (mime-view-entity-content entity situation)
+ (mime-view-guess-charset entity situation)
+ 'CRLF)))
+ (t
+ (mime-insert-text-content entity)))))
+
+;;; stolen (and renamed) from `mime-display-gzipped' of EMY 1.13.
+(defun mime-view-filter-text-content (content program args)
+ (with-temp-buffer
+ (static-cond
+ ((featurep 'xemacs)
+ (insert content)
+ (apply #'binary-to-text-funcall
+ mime-view-automatic-conversion
+ #'call-process-region (point-min)(point-max)
+ program t t args))
+ (t
+ (if (not (multibyte-string-p content))
+ (set-buffer-multibyte nil))
+ (insert content)
+ (apply #'binary-funcall
+ #'call-process-region (point-min)(point-max)
+ program t t args)
+ (set-buffer-multibyte t)
+ (decode-coding-region (point-min)(point-max)
+ mime-view-automatic-conversion)))
+ (buffer-string)))
+
+;;; stolen (and renamed) from mm-view.el.
+(defun mime-view-insert-fontified-text-content (entity situation
+ &optional mode)
+ ;; XEmacs @#$@ version of font-lock refuses to fully turn itself
+ ;; on for buffers whose name begins with " ". That's why we use
+ ;; save-current-buffer/get-buffer-create rather than
+ ;; with-temp-buffer.
+ (let ((buffer (generate-new-buffer "*fontification*"))
+ filename)
+ (unwind-protect
+ (progn
+ (save-current-buffer
+ (set-buffer buffer)
+ (buffer-disable-undo)
+ (kill-all-local-variables)
+ (mime-view-insert-text-content entity situation)
+ (require 'font-lock)
+ (let ((font-lock-maximum-size nil)
+ ;; Disable support modes, e.g., jit-lock, lazy-lock, etc.
+ (font-lock-mode-hook nil)
+ (font-lock-support-mode nil)
+ ;; I find font-lock a bit too verbose.
+ (font-lock-verbose nil))
+ (cond (mode
+ (funcall mode))
+ ((setq filename (mime-entity-filename entity))
+ (let ((buffer-file-name
+ (expand-file-name (file-name-nondirectory filename)
+ temporary-file-directory)))
+ (set-auto-mode))))
+ ;; The mode function might have already turned on font-lock.
+ (unless (symbol-value 'font-lock-mode)
+ (font-lock-fontify-buffer)))
+ ;; By default, XEmacs font-lock uses non-duplicable text
+ ;; properties. This code forces all the text properties
+ ;; to be copied along with the text.
+ (static-when (fboundp 'extent-list)
+ (map-extents (lambda (ext ignored)
+ (set-extent-property ext 'duplicable t)
+ nil)
+ nil nil nil nil nil 'text-prop)))
+ (insert-buffer-substring buffer))
+ (kill-buffer buffer))))
+
+(defun mime-display-application/emacs-lisp (entity situation)
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (mime-view-insert-fontified-text-content entity situation 'emacs-lisp-mode)
+ (run-hooks 'mime-text-decode-hook 'mime-display-text/plain-hook)))
;;; @ 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
'((type . application)(subtype . octet-stream)
(mode . "play")
- (method . mime-detect-content)
- ))
+ (method . mime-detect-content)))
(ctree-set-calist-with-default
'mime-acting-condition
(ctree-set-calist-strictly
'mime-acting-condition
'((type . text)(subtype . x-rot13-47)(mode . "play")
- (method . mime-view-caesar)
- ))
+ (method . mime-view-caesar)))
(ctree-set-calist-strictly
'mime-acting-condition
'((type . text)(subtype . x-rot13-47-48)(mode . "play")
- (method . mime-view-caesar)
- ))
+ (method . mime-view-caesar)))
(ctree-set-calist-strictly
'mime-acting-condition
'((type . message)(subtype . rfc822)(mode . "play")
- (method . mime-view-message/rfc822)
- ))
+ (method . mime-view-message/rfc822)))
(ctree-set-calist-strictly
'mime-acting-condition
'((type . message)(subtype . partial)(mode . "play")
- (method . mime-store-message/partial-piece)
- ))
+ (method . mime-store-message/partial-piece)))
(ctree-set-calist-strictly
'mime-acting-condition
'((type . message)(subtype . external-body)
("access-type" . "anon-ftp")
- (method . mime-view-message/external-anon-ftp)
- ))
+ (method . mime-view-message/external-anon-ftp)))
(ctree-set-calist-strictly
'mime-acting-condition
'((type . message)(subtype . external-body)
("access-type" . "url")
- (method . mime-view-message/external-url)
- ))
+ (method . mime-view-message/external-url)))
(ctree-set-calist-strictly
'mime-acting-condition
'((type . application)(subtype . octet-stream)
- (method . mime-save-content)
- ))
+ (method . mime-save-content)))
;;; @ quitting method
(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))
+ (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))
+ (mime-add-url-buttons)
+ (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)))))))
;;; @ MIME viewer mode
;;;
-(defconst mime-view-menu-title "MIME-View")
-(defconst mime-view-menu-list
- '((up "Move to upper entity" mime-preview-move-to-upper)
- (previous "Move to previous entity" mime-preview-move-to-previous)
- (next "Move to next entity" mime-preview-move-to-next)
- (scroll-down "Scroll-down" mime-preview-scroll-down-entity)
- (scroll-up "Scroll-up" mime-preview-scroll-up-entity)
- (play "Play current entity" mime-preview-play-current-entity)
- (extract "Extract current entity" mime-preview-extract-current-entity)
- (print "Print current entity" mime-preview-print-current-entity)
- )
+(defconst mime-view-popup-menu-list
+ '("MIME-View"
+ ["Move to upper entity" mime-preview-move-to-upper]
+ ["Move to previous entity" mime-preview-move-to-previous]
+ ["Move to next entity" mime-preview-move-to-next]
+ ["Scroll-down" mime-preview-scroll-down-entity]
+ ["Scroll-up" mime-preview-scroll-up-entity]
+ ["Play current entity" mime-preview-play-current-entity]
+ ["Extract current entity" mime-preview-extract-current-entity]
+ ["Print current entity" mime-preview-print-current-entity])
"Menu for MIME Viewer")
-(cond ((featurep 'xemacs)
- (defvar mime-view-xemacs-popup-menu
- (cons mime-view-menu-title
- (mapcar (function
- (lambda (item)
- (vector (nth 1 item)(nth 2 item) t)
- ))
- mime-view-menu-list)))
- (defun mime-view-xemacs-popup-menu (event)
- "Popup the menu in the MIME Viewer buffer"
- (interactive "e")
- (select-window (event-window event))
- (set-buffer (event-buffer event))
- (popup-menu 'mime-view-xemacs-popup-menu))
- (defvar mouse-button-2 'button2)
- )
- (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])
- ))
-
+(defun mime-view-popup-menu (event)
+ "Popup the menu in the MIME Viewer buffer"
+ (interactive "@e")
+ (mime-popup-menu-popup mime-view-popup-menu-list event))
+
+;;; The current local map is taken precendence over `widget-keymap',
+;;; because GNU Emacs' widget implementation doesn't set `local-map' property.
+;;; So we need to specify derivation.
+(defvar widget-keymap)
+(defun mime-view-maybe-inherit-widget-keymap ()
+ (when (boundp 'widget-keymap)
+ (set-keymap-parent (current-local-map) widget-keymap)))
+
+(add-hook 'mime-view-mode-hook 'mime-view-maybe-inherit-widget-keymap)
+
(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
(define-key mime-view-mode-map
[backspace] (function mime-preview-scroll-down-entity))
(if (functionp default)
- (cond ((featurep 'xemacs)
- (set-keymap-default-binding mime-view-mode-map default)
- )
- (t
- (setq mime-view-mode-map
- (append mime-view-mode-map (list (cons t default))))
- )))
- (if mouse-button-2
- (define-key mime-view-mode-map
- mouse-button-2 (function mime-button-dispatcher))
- )
- (cond ((featurep 'xemacs)
- (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)))
- (mapcar (function
- (lambda (item)
- (define-key mime-view-mode-map
- (vector 'menu-bar 'mime-view (car item))
- (cons (nth 1 item)(nth 2 item))
- )
- ))
- (reverse mime-view-menu-list)
- )
- ))
- (use-local-map mime-view-mode-map)
- (run-hooks 'mime-view-define-keymap-hook)
- ))
+ (if (featurep 'xemacs)
+ (set-keymap-default-binding mime-view-mode-map default)
+ (setq mime-view-mode-map
+ (append mime-view-mode-map (list (cons t default))))))
+ (define-key mime-view-mode-map
+ [down-mouse-3] (function mime-view-popup-menu))
+ ;; (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."
(erase-buffer)
(let ((win (get-buffer-window buf)))
(if win
- (delete-window win)
- ))
- (bury-buffer buf)
- ))))
+ (delete-window win)))
+ (bury-buffer buf)))))
(defvar mime-view-redisplay nil)
;;;###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)
(save-excursion
(set-buffer raw-buffer)
(cdr (or (assq major-mode mime-raw-representation-type-alist)
- (assq t mime-raw-representation-type-alist)))
- )))
+ (assq t mime-raw-representation-type-alist))))))
(if (eq representation-type 'binary)
- (setq representation-type 'buffer)
- )
+ (setq representation-type 'buffer))
(setq preview-buffer (mime-display-message
(mime-open-entity representation-type raw-buffer)
preview-buffer mother default-keymap-or-function))
(let ((m-win (and mother (get-buffer-window mother))))
(if m-win
(set-window-buffer m-win preview-buffer)
- (switch-to-buffer preview-buffer)
- ))))))
+ (switch-to-buffer preview-buffer)))))))
(defun mime-view-mode (&optional mother ctl encoding
raw-buffer preview-buffer
(or (assq major-mode mime-raw-representation-type-alist)
(assq t mime-raw-representation-type-alist)))))
(if (eq type 'binary)
- (setq type 'buffer)
- )
+ (setq type 'buffer))
(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)
- )
+ 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
\"extract\" mode. The method is selected from variable
`mime-acting-condition'."
(interactive "P")
- (mime-preview-play-current-entity ignore-examples "extract")
- )
+ (mime-preview-play-current-entity ignore-examples "extract"))
(defun mime-preview-print-current-entity (&optional ignore-examples)
"Print current entity (maybe).
\"print\" mode. The method is selected from variable
`mime-acting-condition'."
(interactive "P")
- (mime-preview-play-current-entity ignore-examples "print")
- )
+ (mime-preview-play-current-entity ignore-examples "print"))
;;; @@ following
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)
- (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))
- ))
- (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
(let (cinfo)
(while (null (setq cinfo
(get-text-property (point) 'mime-view-entity)))
- (backward-char)
- )
+ (backward-char))
(let ((r (mime-entity-parent cinfo))
point)
(catch 'tag
(beginning-of-line)
(point)))))
(recenter next-screen-context-lines))
- (throw 'tag t)
- )
- )
- (mime-preview-quit)
- ))))
+ (throw 'tag t)))
+ (mime-preview-quit)))))
(defun mime-preview-move-to-previous ()
"Move to previous entity.
(interactive)
(while (and (not (bobp))
(null (get-text-property (point) 'mime-view-entity)))
- (backward-char)
- )
+ (backward-char))
(let ((point (previous-single-property-change (point) 'mime-view-entity)))
(if (and point
(>= point (point-min)))
(point)))))
(recenter (* -1 next-screen-context-lines))))
(goto-char (1- point))
- (mime-preview-move-to-previous)
- )
+ (mime-preview-move-to-previous))
(let ((f (assq (mime-preview-original-major-mode)
mime-preview-over-to-previous-method-alist)))
(if f
- (funcall (cdr f))
- ))
- )))
+ (funcall (cdr f)))))))
(defun mime-preview-move-to-next ()
"Move to next entity.
(interactive)
(while (and (not (eobp))
(null (get-text-property (point) 'mime-view-entity)))
- (forward-char)
- )
+ (forward-char))
(let ((point (next-single-property-change (point) 'mime-view-entity)))
(if (and point
(<= point (point-max)))
(* -1 next-screen-context-lines))
(beginning-of-line)
(point)))))
- (recenter next-screen-context-lines))
- ))
+ (recenter next-screen-context-lines))))
(let ((f (assq (mime-preview-original-major-mode)
mime-preview-over-to-next-method-alist)))
(if f
- (funcall (cdr f))
- ))
- )))
+ (funcall (cdr f)))))))
(defun mime-preview-scroll-up-entity (&optional h)
"Scroll up current entity.
(let ((f (assq (mime-preview-original-major-mode)
mime-preview-over-to-next-method-alist)))
(if f
- (funcall (cdr f))
- ))
+ (funcall (cdr f))))
(let ((point
(or (next-single-property-change (point) 'mime-view-entity)
(point-max)))
(condition-case nil
(scroll-up h)
(end-of-buffer
- (goto-char (point-max)))))
- )))
+ (goto-char (point-max))))))))
(defun mime-preview-scroll-down-entity (&optional h)
"Scroll down current entity.
(let ((f (assq (mime-preview-original-major-mode)
mime-preview-over-to-previous-method-alist)))
(if f
- (funcall (cdr f))
- ))
+ (funcall (cdr f))))
(let ((point
(or (previous-single-property-change (point) 'mime-view-entity)
(point-min)))
(condition-case nil
(scroll-down h)
(beginning-of-buffer
- (goto-char (point-min)))))
- )))
+ (goto-char (point-min))))))))
(defun mime-preview-next-line-entity (&optional lines)
"Scroll up one line (or prefix LINES lines).
If LINES is negative, scroll down LINES lines."
(interactive "p")
- (mime-preview-scroll-up-entity (or lines 1))
- )
+ (mime-preview-scroll-up-entity (or lines 1)))
(defun mime-preview-previous-line-entity (&optional lines)
"Scrroll down one line (or prefix LINES lines).
If LINES is negative, scroll up LINES lines."
(interactive "p")
- (mime-preview-scroll-down-entity (or lines 1))
- )
+ (mime-preview-scroll-down-entity (or lines 1)))
+
+;;; @@ display
+;;;
+
+(defun mime-view-guess-encoding (entity situation)
+ (or (cdr (assq '*encoding situation))
+ (cdr (assq 'encoding situation))
+ (mime-entity-encoding entity)
+ "7bit"))
+
+(defun mime-view-read-encoding (entity situation)
+ (let* ((default-encoding
+ (mime-view-guess-encoding entity situation))
+ (encoding
+ (completing-read
+ "Content Transfer Encoding: "
+ (mime-encoding-alist) nil t default-encoding)))
+ (unless (or (string= encoding "")
+ (string= encoding default-encoding))
+ encoding)))
+
+(defun mime-view-guess-charset (entity situation)
+ (or (static-if (fboundp 'coding-system-to-mime-charset)
+ ;; might be overridden by `universal-coding-system-argument'.
+ (and coding-system-for-read
+ (coding-system-to-mime-charset coding-system-for-read)))
+ (cdr (assq '*charset situation))
+ (cdr (assq 'charset situation))
+ (let ((charset (cdr (assoc "charset" (mime-entity-parameters entity)))))
+ (if charset
+ (intern (downcase charset))))
+ default-mime-charset))
+
+(defun mime-view-read-charset (entity situation)
+ (static-if (featurep 'mule)
+ (let* ((default-charset
+ (mime-view-guess-charset entity situation))
+ (charset
+ (intern (completing-read "MIME-charset: "
+ (mapcar
+ (lambda (sym)
+ (list (symbol-name sym)))
+ (mime-charset-list))
+ nil t
+ (symbol-name default-charset)))))
+ (unless (eq charset default-charset)
+ charset))
+ default-charset))
+
+(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 encoding charset)
+ (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))
+ (when (and current-prefix-arg
+ (eq (cdr (assq sym situation)) 'visible))
+ (if (setq encoding (mime-view-read-encoding entity situation))
+ (setq situation (put-alist '*encoding encoding situation)))
+ (if (setq charset (mime-view-read-charset entity situation))
+ (setq situation (put-alist '*charset charset 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
;;;
(let ((r (assq (mime-preview-original-major-mode)
mime-preview-quitting-method-alist)))
(if r
- (funcall (cdr r))
- )))
+ (funcall (cdr r)))))
(defun mime-preview-kill-buffer ()
(interactive)
- (kill-buffer (current-buffer))
- )
+ (kill-buffer (current-buffer)))
;;; @ end
(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