;;; mime-view.el --- interactive MIME viewer for GNU Emacs
-;; Copyright (C) 1995,1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1995,1996,1997,1998 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Created: 1994/7/13
-;; Renamed: 1994/8/31 from tm-body.el
+;; Created: 1994/07/13
+;; Renamed: 1994/08/31 from tm-body.el
;; Renamed: 1997/02/19 from tm-view.el
-;; Version: $Revision: 0.40 $
;; Keywords: MIME, multimedia, mail, news
-;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
+;; This file is part of SEMI (Sophisticated Emacs MIME Interfaces).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;;; Code:
-(require 'cl)
(require 'std11)
(require 'mel)
(require 'eword-decode)
(require 'mime-parse)
-(require 'mime-text)
+(require 'semi-def)
+(require 'calist)
+(require 'alist)
+(require 'mailcap)
;;; @ version
;;;
-(defconst mime-view-RCS-ID
- "$Id: mime-view.el,v 0.40 1997-03-17 13:11:10 morioka Exp $")
-
-(defconst mime-view-version (get-version-string mime-view-RCS-ID))
+(defconst mime-view-version-string
+ `,(concat (car mime-module-version) " MIME-View "
+ (mapconcat #'number-to-string (cddr mime-module-version) ".")
+ " (" (cadr mime-module-version) ")"))
;;; @ variables
;;;
-(defvar mime/content-decoding-condition
- '(((type . "text/plain")
- (method "tm-plain" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . "text/html")
- (method "tm-html" nil 'file 'type 'encoding 'mode 'name)
- (mode . "play")
- )
- ((type . "text/x-rot13-47")
- (method . mime-article/decode-caesar)
- (mode . "play")
- )
- ((type . "audio/basic")
- (method "tm-au" nil 'file 'type 'encoding 'mode 'name)
- (mode . "play")
- )
-
- ((type . "image/jpeg")
- (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . "image/gif")
- (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . "image/tiff")
- (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . "image/x-tiff")
- (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . "image/x-xbm")
- (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . "image/x-pic")
- (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . "image/x-mag")
- (method "tm-image" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
-
- ((type . "video/mpeg")
- (method "tm-mpeg" nil 'file 'type 'encoding 'mode 'name)
- (mode . "play")
- )
-
- ((type . "application/postscript")
- (method "tm-ps" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
- ((type . "application/octet-stream")
- (method "tm-file" nil 'file 'type 'encoding 'mode 'name)
- (mode "play" "print")
- )
-
- ;;((type . "message/external-body")
- ;; (method "xterm" nil
- ;; "-e" "showexternal"
- ;; 'file '"access-type" '"name" '"site" '"directory"))
- ((type . "message/rfc822")
- (method . mime-article/view-message/rfc822)
- (mode . "play")
- )
- ((type . "message/partial")
- (method . mime-article/decode-message/partial)
- (mode . "play")
- )
- ((type . "message/external-body")
- ("access-type" . "anon-ftp")
- (method . mime-article/decode-message/external-ftp)
- )
-
- ((method "metamail" t "-m" "tm" "-x" "-d" "-z" "-e" 'file)
- (mode . "play")
- )
- ((method "tm-file" nil 'file 'type 'encoding 'mode 'name)
- (mode . "extract")
- )
- ))
+(defgroup mime-view nil
+ "MIME view mode"
+ :group 'mime)
-(defvar mime-view-childrens-header-showing-Content-Type-list
- '("message/rfc822" "message/news"))
+(defcustom mime-view-find-every-acting-situation t
+ "*Find every available acting-situation if non-nil."
+ :group 'mime-view
+ :type 'boolean)
-(defvar mime-view-visible-media-type-list
- '("text/plain" nil "text/richtext" "text/enriched"
- "text/rfc822-headers"
- "text/x-latex" "application/x-latex"
- "message/delivery-status"
- "application/pgp" "text/x-pgp"
- "application/octet-stream"
- "application/x-selection" "application/x-comment")
- "*List of media-types to be able to display in MIME-View buffer.
-Each elements are string of TYPE/SUBTYPE, e.g. \"text/plain\".")
+(defcustom mime-acting-situation-examples-file "~/.mime-example"
+ "*File name of example about acting-situation demonstrated by user."
+ :group 'mime-view
+ :type 'file)
-(defvar mime-view-content-button-ignored-ctype-list
- '("application/x-selection"))
-(defvar mime-view-content-button-visible-ctype-list
- '("application/pgp"))
+;;; @ buffer local variables
+;;;
-(defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
+;;; @@ in raw-buffer
+;;;
-(defvar mime-view-ignored-field-list
- '(".*Received" ".*Path" ".*Id" "References"
- "Replied" "Errors-To"
- "Lines" "Sender" ".*Host" "Xref"
- "Content-Type" "Precedence"
- "Status" "X-VM-.*")
- "All fields that match this list will be hidden in MIME preview buffer.
-Each elements are regexp of field-name. [mime-view.el]")
+(defvar mime-raw-message-info nil
+ "Information about structure of message.
+Please use reference function `mime-entity-SLOT' to get value of SLOT.
-(defvar mime-view-ignored-field-regexp
- (concat "^"
- (apply (function regexp-or) mime-view-ignored-field-list)
- ":"))
+Following is a list of slots of the structure:
-(defvar mime-view-visible-field-list
- '("Dnas.*" "Message-Id")
- "All fields that match this list will be displayed in MIME preview buffer.
-Each elements are regexp of field-name. [mime-view.el]")
+buffer buffer includes this entity (buffer).
+node-id node-id (list of integers)
+header-start minimum point of header in raw-buffer
+header-end maximum point of header in raw-buffer
+body-start minimum point of body in raw-buffer
+body-end maximum point of body in raw-buffer
+content-type content-type (content-type)
+content-disposition content-disposition (content-disposition)
+encoding Content-Transfer-Encoding (string or nil)
+children entities included in this entity (list of entity)
-(defvar mime-view-visible-field-regexp
- (concat "^"
- (apply (function regexp-or) mime-view-visible-field-list)
- ":"))
+If an entity includes other entities in its body, such as multipart or
+message/rfc822, `mime-entity' structures of them are included in
+`children', so the `mime-entity' structure become a tree.")
+(make-variable-buffer-local 'mime-raw-message-info)
-(defvar mime-view-redisplay nil)
-(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. ]]"
- ))
+(defvar mime-preview-buffer nil
+ "MIME-preview buffer corresponding with the (raw) buffer.")
+(make-variable-buffer-local 'mime-preview-buffer)
+
+(defvar mime-raw-representation-type nil
+ "Representation-type of mime-raw-buffer.
+It must be nil, `binary' or `cooked'.
+If it is nil, `mime-raw-representation-type-alist' is used as default
+value.
+Notice that this variable is usually used as buffer local variable in
+raw-buffer.")
-;;; @@ predicate functions
+(make-variable-buffer-local 'mime-raw-representation-type)
+
+(defvar mime-raw-representation-type-alist
+ '((mime-show-message-mode . binary)
+ (mime-temp-message-mode . binary)
+ (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'.
+This value is overridden by buffer local variable
+`mime-raw-representation-type' if it is not nil.")
+
+
+;;; @@ in preview-buffer
;;;
-(defun mime-view-header-visible-p (rcnum cinfo &optional ctype)
- "Return non-nil if header of current entity is visible."
- (or (null rcnum)
- (progn
- (or ctype
- (setq ctype
- (mime::content-info/type
- (mime-article/rcnum-to-cinfo (cdr rcnum) cinfo)
- )))
- (member ctype mime-view-childrens-header-showing-Content-Type-list)
- )))
+(defvar mime-mother-buffer nil
+ "Mother buffer corresponding with the (MIME-preview) buffer.
+If current MIME-preview buffer is generated by other buffer, such as
+message/partial, it is called `mother-buffer'.")
+(make-variable-buffer-local 'mime-mother-buffer)
-(defun mime-view-body-visible-p (rcnum cinfo &optional ctype)
- (let (ccinfo)
- (or ctype
- (setq ctype
- (mime::content-info/type
- (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
- ))
- )
- (and (member ctype mime-view-visible-media-type-list)
- (if (string-equal ctype "application/octet-stream")
- (progn
- (or ccinfo
- (setq ccinfo (mime-article/rcnum-to-cinfo rcnum cinfo))
- )
- (member (mime::content-info/encoding ccinfo)
- '(nil "7bit" "8bit"))
- )
- t))
- ))
+(defvar mime-raw-buffer nil
+ "Raw buffer corresponding with the (MIME-preview) buffer.")
+(make-variable-buffer-local 'mime-raw-buffer)
+
+(defvar mime-preview-original-window-configuration nil
+ "Window-configuration before mime-view-mode is called.")
+(make-variable-buffer-local 'mime-preview-original-window-configuration)
-;;; @@ content button
+;;; @ entity information
;;;
-(defun mime-view-insert-entity-button (rcnum cinfo ctype params subj encoding)
- "Insert entity-button."
- (save-restriction
- (narrow-to-region (point)(point))
- (let ((access-type (assoc "access-type" params))
- (num (or (cdr (assoc "x-part-number" params))
- (if (consp rcnum)
- (mapconcat (function
- (lambda (num)
- (format "%s" (1+ num))
- ))
- (reverse rcnum) ".")
- "0"))
- ))
- (cond (access-type
- (let ((server (assoc "server" params)))
- (setq access-type (cdr access-type))
- (if server
- (insert (format "[%s %s ([%s] %s)]\n" num subj
- access-type (cdr server)))
- (let ((site (cdr (assoc "site" params)))
- (dir (cdr (assoc "directory" params)))
- )
- (insert (format "[%s %s ([%s] %s:%s)]\n" num subj
- access-type site dir))
- )))
- )
- (t
- (let ((charset (cdr (assoc "charset" params))))
- (insert (concat "[" num " " subj))
+(defsubst mime-raw-find-entity-from-node-id (entity-node-id
+ &optional message-info)
+ "Return entity from ENTITY-NODE-ID in mime-raw-buffer.
+If optional argument MESSAGE-INFO is not specified,
+`mime-raw-message-info' is used."
+ (mime-raw-find-entity-from-number (reverse entity-node-id) message-info))
+
+(defun mime-raw-find-entity-from-number (entity-number &optional message-info)
+ "Return entity from ENTITY-NUMBER in mime-raw-buffer.
+If optional argument MESSAGE-INFO is not specified,
+`mime-raw-message-info' is used."
+ (or message-info
+ (setq message-info mime-raw-message-info))
+ (if (eq entity-number t)
+ message-info
+ (let ((sn (car entity-number)))
+ (if (null sn)
+ message-info
+ (let ((rc (nth sn (mime-entity-children message-info))))
+ (if rc
+ (mime-raw-find-entity-from-number (cdr entity-number) rc)
+ ))
+ ))))
+
+(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-raw-message-info' is used."
+ (or message-info
+ (setq message-info mime-raw-message-info))
+ (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))))
+
+
+(defsubst mime-entity-parent (entity &optional message-info)
+ "Return mother entity of ENTITY.
+If optional argument MESSAGE-INFO is not specified,
+`mime-raw-message-info' in buffer of ENTITY is used."
+ (mime-raw-find-entity-from-node-id
+ (cdr (mime-entity-node-id entity))
+ (or message-info
+ (save-excursion
+ (set-buffer (mime-entity-buffer entity))
+ mime-raw-message-info))))
+
+(defsubst mime-entity-situation (entity)
+ "Return situation of ENTITY."
+ (append (or (mime-entity-content-type entity)
+ (make-mime-content-type 'text 'plain))
+ (list (cons 'encoding (mime-entity-encoding entity))
+ (cons 'major-mode
+ (save-excursion
+ (set-buffer (mime-entity-buffer entity))
+ major-mode)))
+ ))
+
+
+(defvar mime-view-uuencode-encoding-name-list '("x-uue" "x-uuencode"))
+
+(defun mime-raw-get-uu-filename ()
+ (save-excursion
+ (if (re-search-forward "^begin [0-9]+ " nil t)
+ (if (looking-at ".+$")
+ (buffer-substring (match-beginning 0)(match-end 0))
+ ))))
+
+(defun mime-raw-get-subject (entity)
+ (or (std11-find-field-body '("Content-Description" "Subject"))
+ (let ((ret (mime-entity-content-disposition entity)))
+ (and ret
+ (setq ret (mime-content-disposition-filename ret))
+ (std11-strip-quoted-string ret)
+ ))
+ (let ((ret (mime-entity-content-type entity)))
+ (and ret
+ (setq ret
+ (cdr
+ (let ((param (mime-content-type-parameters ret)))
+ (or (assoc "name" param)
+ (assoc "x-name" param))
+ )))
+ (std11-strip-quoted-string ret)
+ ))
+ (if (member (mime-entity-encoding entity)
+ mime-view-uuencode-encoding-name-list)
+ (mime-raw-get-uu-filename))
+ ""))
+
+
+(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-raw-message-info' is used."
+ (mime-entity-node-id (mime-raw-find-entity-from-point point message-info)))
+
+(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-raw-message-info' is used."
+ (mime-entity-number (mime-raw-find-entity-from-point point message-info)))
+
+(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-raw-message-info' is used."
+ (or message-info
+ (setq message-info mime-raw-message-info))
+ (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))
+
+
+;;; @ presentation of preview
+;;;
+
+;;; @@ entity-button
+;;;
+
+;;; @@@ 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)))
+ )
+ )))))
+
+;;; @@@ entity button generator
+;;;
+
+(defun mime-view-insert-entity-button (entity subject)
+ "Insert entity-button of ENTITY."
+ (let ((entity-node-id (mime-entity-node-id entity))
+ (params (mime-entity-parameters entity)))
+ (mime-insert-button
+ (let ((access-type (assoc "access-type" params))
+ (num (or (cdr (assoc "x-part-number" params))
+ (if (consp entity-node-id)
+ (mapconcat (function
+ (lambda (num)
+ (format "%s" (1+ num))
+ ))
+ (reverse entity-node-id) ".")
+ "0"))
+ ))
+ (cond (access-type
+ (let ((server (assoc "server" params)))
+ (setq access-type (cdr access-type))
+ (if server
+ (format "%s %s ([%s] %s)"
+ num subject access-type (cdr server))
+ (let ((site (cdr (assoc "site" params)))
+ (dir (cdr (assoc "directory" params)))
+ )
+ (format "%s %s ([%s] %s:%s)"
+ num subject access-type site dir)
+ )))
+ )
+ (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)))
+ (concat
+ num " " subject
(let ((rest
- (concat " <" ctype
+ (format " <%s/%s%s%s>"
+ media-type media-subtype
(if charset
(concat "; " charset)
- (if encoding (concat " (" encoding ")"))
- )
- ">]\n")))
+ "")
+ (if encoding
+ (concat " (" encoding ")")
+ ""))))
(if (>= (+ (current-column)(length rest))(window-width))
- (insert "\n\t")
- )
- (insert rest)
- ))))
- )
- (mime-add-button (point-min)(1- (point-max))
- (function mime-view-play-current-entity))
- ))
-
-(defun mime-preview/default-content-button-function
- (rcnum cinfo ctype params subj encoding)
- (if (and (consp rcnum)
- (not (member
- ctype
- mime-view-content-button-ignored-ctype-list)))
- (mime-view-insert-entity-button
- rcnum cinfo ctype params subj encoding)
+ "\n\t")
+ rest)))
+ )))
+ (function mime-preview-play-current-entity))
))
-(defvar mime-preview/content-button-function
- (function mime-preview/default-content-button-function))
+;;; @@ entity-header
+;;;
-;;; @@ content header filter
+;;; @@@ entity header filter
;;;
-(defun mime-preview/cut-header ()
- (goto-char (point-min))
- (while (and
- (re-search-forward mime-view-ignored-field-regexp nil t)
- (let* ((beg (match-beginning 0))
- (end (match-end 0))
- (name (buffer-substring beg end))
- )
- (if (not (string-match mime-view-visible-field-regexp name))
- (delete-region
- beg
- (save-excursion
- (and
- (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
- (match-beginning 0)
- )))
- )
- t)))
- )
+(defvar mime-view-content-header-filter-alist nil)
(defun mime-view-default-content-header-filter ()
- (mime-preview/cut-header)
+ (mime-view-cut-header)
(eword-decode-header)
)
-(defvar mime-view-content-header-filter-alist nil)
-
-
-;;; @@ content filter
+;;; @@@ entity field cutter
;;;
-(defvar mime-view-content-filter-alist
- '(("text/enriched" . mime-preview/filter-for-text/enriched)
- ("text/richtext" . mime-preview/filter-for-text/richtext)
- (t . mime-preview/filter-for-text/plain)
- ))
+(defvar mime-view-ignored-field-list
+ '(".*Received" ".*Path" ".*Id" "References"
+ "Replied" "Errors-To"
+ "Lines" "Sender" ".*Host" "Xref"
+ "Content-Type" "Precedence"
+ "Status" "X-VM-.*")
+ "All fields that match this list will be hidden in MIME preview buffer.
+Each elements are regexp of field-name.")
+(defvar mime-view-ignored-field-regexp
+ (concat "^"
+ (apply (function regexp-or) mime-view-ignored-field-list)
+ ":"))
-;;; @@ content separator
-;;;
+(defvar mime-view-visible-field-list '("Dnas.*" "Message-Id")
+ "All fields that match this list will be displayed in MIME preview buffer.
+Each elements are regexp of field-name.")
-(defun mime-preview/default-content-separator (rcnum cinfo ctype params subj)
- (if (and (not (mime-view-header-visible-p rcnum cinfo ctype))
- (not (mime-view-body-visible-p rcnum cinfo ctype))
+(defun mime-view-cut-header ()
+ (goto-char (point-min))
+ (while (re-search-forward mime-view-ignored-field-regexp nil t)
+ (let* ((beg (match-beginning 0))
+ (end (match-end 0))
+ (name (buffer-substring beg end))
)
- (progn
- (goto-char (point-max))
- (insert "\n")
- )))
+ (catch 'visible
+ (let ((rest mime-view-visible-field-list))
+ (while rest
+ (if (string-match (car rest) name)
+ (throw 'visible nil)
+ )
+ (setq rest (cdr rest))))
+ (delete-region beg
+ (save-excursion
+ (if (re-search-forward "^\\([^ \t]\\|$\\)" nil t)
+ (match-beginning 0)
+ (point-max))))
+ ))))
-;;; @@ buffer local variables
+;;; @@ entity-body
;;;
-;;; @@@ in raw buffer
+;;; @@@ predicate function
;;;
-(make-variable-buffer-local 'mime::article/content-info)
+(defun mime-calist::field-match-method-as-default-rule (calist
+ field-type field-value)
+ (let ((s-field (assq field-type calist)))
+ (cond ((null s-field)
+ (cons (cons field-type field-value) calist)
+ )
+ (t calist))))
+
+(define-calist-field-match-method
+ 'header #'mime-calist::field-match-method-as-default-rule)
+
+(define-calist-field-match-method
+ 'body #'mime-calist::field-match-method-as-default-rule)
+
+
+(defvar mime-preview-condition nil
+ "Condition-tree about how to display entity.")
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . octet-stream)
+ (encoding . nil)
+ (body . visible)))
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . octet-stream)
+ (encoding . "7bit")
+ (body . visible)))
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . octet-stream)
+ (encoding . "8bit")
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . pgp)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . x-latex)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . x-selection)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . application)(subtype . x-comment)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . message)(subtype . delivery-status)
+ (body . visible)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((body . visible)
+ (body-presentation-method . mime-preview-text/plain)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . nil)
+ (body . visible)
+ (body-presentation-method . mime-preview-text/plain)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . text)(subtype . enriched)
+ (body . visible)
+ (body-presentation-method . mime-preview-text/enriched)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . text)(subtype . richtext)
+ (body . visible)
+ (body-presentation-method . mime-preview-text/richtext)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . text)(subtype . t)
+ (body . visible)
+ (body-presentation-method . mime-preview-text/plain)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition
+ '((type . multipart)(subtype . alternative)
+ (body . visible)
+ (body-presentation-method . mime-preview-multipart/alternative)))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . message)(subtype . partial)
+ (body-presentation-method
+ . mime-preview-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))))
+
+(ctree-set-calist-strictly
+ 'mime-preview-condition '((type . message)(subtype . news)
+ (body-presentation-method . nil)
+ (childrens-situation (header . visible)
+ (entity-button . invisible))))
+
+
+;;; @@@ entity presentation
+;;;
-(defvar mime::article/preview-buffer nil)
-(make-variable-buffer-local 'mime::article/preview-buffer)
+(autoload 'mime-preview-text/plain "mime-text")
+(autoload 'mime-preview-text/enriched "mime-text")
+(autoload 'mime-preview-text/richtext "mime-text")
+(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. ]]"
+ ))
-;;; @@@ in view buffer
-;;;
+(defun mime-preview-message/partial-button (&optional entity situation)
+ (save-restriction
+ (goto-char (point-max))
+ (if (not (search-backward "\n\n" nil t))
+ (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)
+ ))
-(make-variable-buffer-local 'mime::preview/mother-buffer)
-(make-variable-buffer-local 'mime::preview/content-list)
+(defun mime-preview-multipart/mixed (entity situation)
+ (let ((children (mime-entity-children entity))
+ (default-situation
+ (cdr (assq 'childrens-situation situation))))
+ (while children
+ (mime-view-display-entity (car children)
+ (save-excursion
+ (set-buffer (mime-entity-buffer entity))
+ mime-raw-message-info)
+ (current-buffer)
+ default-situation)
+ (setq children (cdr children))
+ )))
+
+(defcustom mime-view-type-subtype-score-alist
+ '(((text . enriched) . 3)
+ ((text . richtext) . 2)
+ ((text . plain) . 1)
+ (t . 0))
+ "Alist MEDIA-TYPE vs corresponding score.
+MEDIA-TYPE must be (TYPE . SUBTYPE), TYPE or t. t means default."
+ :group 'mime-view
+ :type '(repeat (cons (choice :tag "Media-Type"
+ (item :tag "Type/Subtype"
+ (cons symbol symbol))
+ (item :tag "Type" symbol)
+ (item :tag "Default" t))
+ integer)))
+
+(defun mime-preview-multipart/alternative (entity situation)
+ (let* ((children (mime-entity-children entity))
+ (default-situation
+ (cdr (assq 'childrens-situation situation)))
+ (i 0)
+ (p 0)
+ (max-score 0)
+ (situations
+ (mapcar (function
+ (lambda (child)
+ (let ((situation
+ (or (ctree-match-calist
+ mime-preview-condition
+ (append (mime-entity-situation child)
+ default-situation))
+ default-situation)))
+ (if (cdr (assq 'body-presentation-method situation))
+ (let ((score
+ (cdr
+ (or (assoc
+ (cons
+ (cdr (assq 'type situation))
+ (cdr (assq 'subtype situation)))
+ mime-view-type-subtype-score-alist)
+ (assq
+ (cdr (assq 'type situation))
+ mime-view-type-subtype-score-alist)
+ (assq
+ t
+ mime-view-type-subtype-score-alist)
+ ))))
+ (if (> score max-score)
+ (setq p i
+ max-score score)
+ )))
+ (setq i (1+ i))
+ situation)
+ ))
+ children)))
+ (setq i 0)
+ (while children
+ (let ((child (car children))
+ (situation (car situations)))
+ (mime-view-display-entity child
+ (save-excursion
+ (set-buffer (mime-entity-buffer child))
+ mime-raw-message-info)
+ (current-buffer)
+ default-situation
+ (if (= i p)
+ situation
+ (del-alist 'body-presentation-method
+ (copy-alist situation))))
+ )
+ (setq children (cdr children)
+ situations (cdr situations)
+ i (1+ i))
+ )))
-(defvar mime::preview/article-buffer nil)
-(make-variable-buffer-local 'mime::preview/article-buffer)
-(make-variable-buffer-local 'mime::preview/original-major-mode)
-(make-variable-buffer-local 'mime::preview/original-window-configuration)
+;;; @ 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))
+ )
+ (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))
+ )))
-;;; @@ quitting method
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . t)(subtype . t)(mode . "extract")
+;; (method . mime-method-to-save)))
+(ctree-set-calist-with-default
+ 'mime-acting-condition
+ '((mode . "extract")
+ (method . mime-method-to-save)))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . text)(subtype . plain)(mode . "play")
+;; (method "tm-plain" nil 'file "" 'encoding 'mode 'name)
+;; ))
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . text)(subtype . plain)(mode . "print")
+;; (method "tm-plain" nil 'file "" 'encoding 'mode 'name)
+;; ))
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . text)(subtype . html)(mode . "play")
+;; (method "tm-html" nil 'file "" 'encoding 'mode 'name)
+;; ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . text)(subtype . x-rot13-47)(mode . "play")
+ (method . mime-method-to-display-caesar)
+ ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . text)(subtype . x-rot13-47-48)(mode . "play")
+ (method . mime-method-to-display-caesar)
+ ))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . audio)(subtype . basic)(mode . "play")
+;; (method "tm-au" nil 'file "" 'encoding 'mode 'name)
+;; ))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . image)(mode . "play")
+;; (method "tm-image" nil 'file "" 'encoding 'mode 'name)
+;; ))
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . image)(mode . "print")
+;; (method "tm-image" nil 'file "" 'encoding 'mode 'name)
+;; ))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . video)(subtype . mpeg)(mode . "play")
+;; (method "tm-mpeg" nil 'file "" 'encoding 'mode 'name)
+;; ))
+
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . application)(subtype . postscript)(mode . "play")
+;; (method "tm-ps" nil 'file "" 'encoding 'mode 'name)
+;; ))
+;; (ctree-set-calist-strictly
+;; 'mime-acting-condition
+;; '((type . application)(subtype . postscript)(mode . "print")
+;; (method "tm-ps" nil 'file "" 'encoding 'mode 'name)
+;; ))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . message)(subtype . rfc822)(mode . "play")
+ (method . mime-method-to-display-message/rfc822)
+ ))
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . message)(subtype . partial)(mode . "play")
+ (method . mime-method-to-store-message/partial)
+ ))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . message)(subtype . external-body)
+ ("access-type" . "anon-ftp")
+ (method . mime-method-to-display-message/external-ftp)
+ ))
+
+(ctree-set-calist-strictly
+ 'mime-acting-condition
+ '((type . application)(subtype . octet-stream)
+ (method . mime-method-to-save)
+ ))
+
+
+;;; @ quitting method
;;;
-(defvar mime-view-quitting-method-alist
- '((mime/show-message-mode
- . mime-view-quitting-method-for-mime/show-message-mode)))
+(defvar mime-preview-quitting-method-alist
+ '((mime-show-message-mode
+ . mime-preview-quitting-method-for-mime-show-message-mode))
+ "Alist of major-mode vs. quitting-method of mime-view.")
(defvar mime-view-over-to-previous-method-alist nil)
(defvar mime-view-over-to-next-method-alist nil)
-(defvar mime-view-show-summary-method nil)
+(defvar mime-view-show-summary-method nil
+ "Alist of major-mode vs. show-summary-method.")
-;;; @@ following method
+;;; @ following method
;;;
-(defvar mime-view-following-method-alist nil)
+(defvar mime-view-following-method-alist nil
+ "Alist of major-mode vs. following-method of mime-view.")
(defvar mime-view-following-required-fields-list
'("From"))
-;;; @@ X-Face
+;;; @ X-Face
;;;
;; hack from Gnus 5.0.4.
))))
-;;; @@ utility
-;;;
-
-(defun mime-preview/get-original-major-mode ()
- (if mime::preview/mother-buffer
- (save-excursion
- (set-buffer mime::preview/mother-buffer)
- (mime-preview/get-original-major-mode)
- )
- mime::preview/original-major-mode))
-
-
-;;; @ data structures
-;;;
-
-;;; @@ preview-content-info
-;;;
-
-(define-structure mime::preview-content-info
- point-min point-max buffer content-info)
-
-
;;; @ buffer setup
;;;
-(defun mime-view-setup-buffer (&optional ctl encoding ibuf obuf)
- (if ibuf
- (progn
- (get-buffer ibuf)
- (set-buffer ibuf)
- ))
- (or mime-view-redisplay
- (setq mime::article/content-info (mime-parse-message ctl encoding))
- )
- (let ((ret (mime-view-make-preview-buffer obuf)))
- (setq mime::article/preview-buffer (car ret))
- ret))
-
-(defun mime-view-make-preview-buffer (&optional obuf)
- (let* ((cinfo mime::article/content-info)
- (pcl (mime/flatten-content-info cinfo))
- (dest (make-list (length pcl) nil))
- (the-buf (current-buffer))
- (mode major-mode)
- )
- (or obuf
- (setq obuf (concat "*Preview-" (buffer-name the-buf) "*")))
- (set-buffer (get-buffer-create obuf))
- (setq buffer-read-only nil)
- (widen)
- (erase-buffer)
- (setq mime::preview/article-buffer the-buf)
- (setq mime::preview/original-major-mode mode)
- (setq major-mode 'mime-view-mode)
- (setq mode-name "MIME-View")
- (let ((drest dest))
- (while pcl
- (setcar drest
- (mime-preview/display-content (car pcl) cinfo the-buf obuf))
- (setq pcl (cdr pcl)
- drest (cdr drest))
- ))
- (set-buffer-modified-p nil)
- (setq buffer-read-only t)
- (set-buffer the-buf)
- (list obuf dest)
- ))
-
-(defun mime-preview/display-content (content cinfo ibuf obuf)
- (let* ((beg (mime::content-info/point-min content))
- (end (mime::content-info/point-max content))
- (ctype (mime::content-info/type content))
- (params (mime::content-info/parameters content))
- (encoding (mime::content-info/encoding content))
- (rcnum (mime::content-info/rcnum content))
- he e nb ne subj)
- (set-buffer ibuf)
- (goto-char beg)
- (setq he (if (re-search-forward "^$" nil t)
- (1+ (match-end 0))
- end))
- (if (> he end)
- (setq he end)
+(defun mime-view-display-entity (entity message-info obuf
+ default-situation
+ &optional situation)
+ (let* ((raw-buffer (mime-entity-buffer entity))
+ (start (mime-entity-point-min entity))
+ (end (mime-entity-point-max entity))
+ original-major-mode end-of-header e nb ne subj)
+ (set-buffer raw-buffer)
+ (setq original-major-mode major-mode)
+ (goto-char start)
+ (setq end-of-header (if (re-search-forward "^$" nil t)
+ (1+ (match-end 0))
+ end))
+ (if (> end-of-header end)
+ (setq end-of-header end)
)
(save-restriction
- (narrow-to-region beg end)
- (setq subj
- (eword-decode-string
- (mime-article/get-subject params encoding)))
+ (narrow-to-region start end)
+ (setq subj (eword-decode-string (mime-raw-get-subject entity)))
)
- (set-buffer obuf)
- (setq nb (point))
- (narrow-to-region nb nb)
- (funcall mime-preview/content-button-function
- rcnum cinfo ctype params subj encoding)
- (if (mime-view-header-visible-p rcnum cinfo ctype)
- (mime-preview/display-header beg he)
- )
- (if (and (null rcnum)
- (member
- ctype mime-view-content-button-visible-ctype-list))
- (save-excursion
- (goto-char (point-max))
- (mime-view-insert-entity-button
- rcnum cinfo ctype params subj encoding)
- ))
- (cond ((mime-view-body-visible-p rcnum cinfo ctype)
- (mime-preview/display-body he end
- rcnum cinfo ctype params subj encoding)
- )
- ((equal ctype "message/partial")
- (mime-preview/display-message/partial)
- )
- ((and (null rcnum)
- (null (mime::content-info/children cinfo))
- )
- (goto-char (point-max))
- (mime-view-insert-entity-button
- rcnum cinfo ctype params subj encoding)
- ))
- (mime-preview/default-content-separator rcnum cinfo ctype params subj)
- (prog1
- (progn
- (setq ne (point-max))
- (widen)
- (mime::preview-content-info/create nb (1- ne) ibuf content)
- )
+ (or situation
+ (setq situation
+ (or (ctree-match-calist mime-preview-condition
+ (append (mime-entity-situation entity)
+ default-situation))
+ default-situation)))
+ (let ((button-is-invisible
+ (eq (cdr (assq 'entity-button situation)) 'invisible))
+ (header-is-visible
+ (eq (cdr (assq 'header situation)) 'visible))
+ (body-presentation-method
+ (cdr (assq 'body-presentation-method situation)))
+ (children (mime-entity-children entity)))
+ (set-buffer obuf)
+ (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 subj)
+ ))
+ (if header-is-visible
+ (save-restriction
+ (narrow-to-region (point)(point))
+ (insert-buffer-substring raw-buffer start end-of-header)
+ (let ((f (cdr (assq original-major-mode
+ mime-view-content-header-filter-alist))))
+ (if (functionp f)
+ (funcall f)
+ (mime-view-default-content-header-filter)
+ ))
+ (run-hooks 'mime-view-content-header-filter-hook)
+ ))
+ (cond ((eq body-presentation-method 'with-filter)
+ (let ((body-filter (cdr (assq 'body-filter situation))))
+ (save-restriction
+ (narrow-to-region (point-max)(point-max))
+ (insert-buffer-substring raw-buffer end-of-header end)
+ (funcall body-filter situation)
+ )))
+ (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 subj)
+ )
+ (or header-is-visible
+ (progn
+ (goto-char (point-max))
+ (insert "\n")
+ ))
+ ))
+ (setq ne (point-max))
+ (widen)
+ (put-text-property nb ne 'mime-view-entity entity)
(goto-char ne)
- )))
-
-(defun mime-preview/display-header (beg end)
- (save-restriction
- (narrow-to-region (point)(point))
- (insert-buffer-substring mime::preview/article-buffer beg end)
- (let ((f (cdr (assq mime::preview/original-major-mode
- mime-view-content-header-filter-alist))))
- (if (functionp f)
- (funcall f)
- (mime-view-default-content-header-filter)
- ))
- (run-hooks 'mime-view-content-header-filter-hook)
- ))
-
-(defun mime-preview/display-body (beg end
- rcnum cinfo ctype params subj encoding)
- (save-restriction
- (narrow-to-region (point-max)(point-max))
- (insert-buffer-substring mime::preview/article-buffer beg end)
- (let ((f (cdr (or (assoc ctype mime-view-content-filter-alist)
- (assq t mime-view-content-filter-alist)))))
- (and (functionp f)
- (funcall f ctype params encoding)
- )
- )))
-
-(defun mime-preview/display-message/partial ()
- (save-restriction
- (goto-char (point-max))
- (if (not (search-backward "\n\n" nil t))
- (insert "\n")
- )
- (let ((be (point-max)))
- (narrow-to-region be be)
- (insert mime-view-announcement-for-message/partial)
- (mime-add-button (point-min)(point-max)
- (function mime-view-play-current-entity))
- )))
-
-(defun mime-article/get-uu-filename (param &optional encoding)
- (if (member (or encoding
- (cdr (assq 'encoding param))
- )
- mime-view-uuencode-encoding-name-list)
- (save-excursion
- (or (if (re-search-forward "^begin [0-9]+ " nil t)
- (if (looking-at ".+$")
- (buffer-substring (match-beginning 0)(match-end 0))
- ))
- ""))
- ))
-
-(defun mime-article/get-subject (param &optional encoding)
- (or (std11-find-field-body '("Content-Description" "Subject"))
- (let (ret)
- (if (or (and (setq ret (mime/Content-Disposition))
- (setq ret (assoc "filename" (cdr ret)))
- )
- (setq ret (assoc "name" param))
- (setq ret (assoc "x-name" param))
- )
- (std11-strip-quoted-string (cdr ret))
- ))
- (mime-article/get-uu-filename param encoding)
- ""))
-
-
-;;; @ content information
-;;;
-
-(defun mime-article/point-content-number (p &optional cinfo)
- (or cinfo
- (setq cinfo mime::article/content-info)
- )
- (let ((b (mime::content-info/point-min cinfo))
- (e (mime::content-info/point-max cinfo))
- (c (mime::content-info/children cinfo))
- )
- (if (and (<= b p)(<= p e))
- (or (let (co ret (sn 0))
- (catch 'tag
- (while c
- (setq co (car c))
- (setq ret (mime-article/point-content-number p co))
- (cond ((eq ret t) (throw 'tag (list sn)))
- (ret (throw 'tag (cons sn ret)))
- )
- (setq c (cdr c))
- (setq sn (1+ sn))
- )))
- t))))
-
-(defun mime-article/rcnum-to-cinfo (rcnum &optional cinfo)
- (or cinfo
- (setq cinfo mime::article/content-info)
- )
- (find-if (function
- (lambda (ci)
- (equal (mime::content-info/rcnum ci) rcnum)
- ))
- (mime/flatten-content-info cinfo)
- ))
-
-(defun mime-article/cnum-to-cinfo (cn &optional cinfo)
- (or cinfo
- (setq cinfo mime::article/content-info)
- )
- (if (eq cn t)
- cinfo
- (let ((sn (car cn)))
- (if (null sn)
- cinfo
- (let ((rc (nth sn (mime::content-info/children cinfo))))
- (if rc
- (mime-article/cnum-to-cinfo (cdr cn) rc)
+ (if children
+ (if (functionp body-presentation-method)
+ (funcall body-presentation-method entity situation)
+ (mime-preview-multipart/mixed entity situation)
))
- ))))
-
-(defun mime/flatten-content-info (&optional cinfo)
- (or cinfo
- (setq cinfo mime::article/content-info)
- )
- (let ((dest (list cinfo))
- (rcl (mime::content-info/children cinfo))
- )
- (while rcl
- (setq dest (nconc dest (mime/flatten-content-info (car rcl))))
- (setq rcl (cdr rcl))
- )
- dest))
-
-(defun mime-preview/point-pcinfo (p &optional pcl)
- (or pcl
- (setq pcl mime::preview/content-list)
- )
- (catch 'tag
- (let ((r pcl) cell)
- (while r
- (setq cell (car r))
- (if (and (<= (mime::preview-content-info/point-min cell) p)
- (<= p (mime::preview-content-info/point-max cell))
- )
- (throw 'tag cell)
- )
- (setq r (cdr r))
- ))
- (car (last pcl))
- ))
+ )))
;;; @ MIME viewer mode
(defconst mime-view-menu-title "MIME-View")
(defconst mime-view-menu-list
- '((up "Move to upper content" mime-view-up-content)
- (previous "Move to previous content" mime-view-previous-content)
- (next "Move to next content" mime-view-next-content)
- (scroll-down "Scroll to previous content" mime-view-scroll-down-content)
- (scroll-up "Scroll to next content" mime-view-scroll-up-content)
- (play "Play Content" mime-view-play-current-entity)
- (extract "Extract Content" mime-view-extract-current-entity)
- (print "Print" mime-view-print-current-entity)
- (x-face "Show X Face" mime-view-display-x-face)
+ '((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)
+ (x-face "Show X Face" mime-preview-display-x-face)
)
"Menu for MIME Viewer")
(make-sparse-keymap)
)))
(define-key mime-view-mode-map
- "u" (function mime-view-up-content))
+ "u" (function mime-preview-move-to-upper))
(define-key mime-view-mode-map
- "p" (function mime-view-previous-content))
+ "p" (function mime-preview-move-to-previous))
(define-key mime-view-mode-map
- "n" (function mime-view-next-content))
+ "n" (function mime-preview-move-to-next))
(define-key mime-view-mode-map
- "\e\t" (function mime-view-previous-content))
+ "\e\t" (function mime-preview-move-to-previous))
(define-key mime-view-mode-map
- "\t" (function mime-view-next-content))
+ "\t" (function mime-preview-move-to-next))
(define-key mime-view-mode-map
- " " (function mime-view-scroll-up-content))
+ " " (function mime-preview-scroll-up-entity))
(define-key mime-view-mode-map
- "\M- " (function mime-view-scroll-down-content))
+ "\M- " (function mime-preview-scroll-down-entity))
(define-key mime-view-mode-map
- "\177" (function mime-view-scroll-down-content))
+ "\177" (function mime-preview-scroll-down-entity))
(define-key mime-view-mode-map
- "\C-m" (function mime-view-next-line-content))
+ "\C-m" (function mime-preview-next-line-entity))
(define-key mime-view-mode-map
- "\C-\M-m" (function mime-view-previous-line-content))
+ "\C-\M-m" (function mime-preview-previous-line-entity))
(define-key mime-view-mode-map
- "v" (function mime-view-play-current-entity))
+ "v" (function mime-preview-play-current-entity))
(define-key mime-view-mode-map
- "e" (function mime-view-extract-current-entity))
+ "e" (function mime-preview-extract-current-entity))
(define-key mime-view-mode-map
- "\C-c\C-p" (function mime-view-print-current-entity))
+ "\C-c\C-p" (function mime-preview-print-current-entity))
(define-key mime-view-mode-map
- "a" (function mime-view-follow-content))
+ "a" (function mime-preview-follow-current-entity))
(define-key mime-view-mode-map
- "q" (function mime-view-quit))
+ "q" (function mime-preview-quit))
(define-key mime-view-mode-map
- "h" (function mime-view-show-summary))
+ "h" (function mime-preview-show-summary))
(define-key mime-view-mode-map
- "\C-c\C-x" (function mime-view-kill-buffer))
+ "\C-c\C-x" (function mime-preview-kill-buffer))
+ ;; (define-key mime-view-mode-map
+ ;; "<" (function beginning-of-buffer))
+ ;; (define-key mime-view-mode-map
+ ;; ">" (function end-of-buffer))
(define-key mime-view-mode-map
- "<" (function beginning-of-buffer))
+ "?" (function describe-mode))
(define-key mime-view-mode-map
- ">" (function end-of-buffer))
+ [tab] (function mime-preview-move-to-next))
(define-key mime-view-mode-map
- "?" (function describe-mode))
+ [delete] (function mime-preview-scroll-down-entity))
+ (define-key mime-view-mode-map
+ [backspace] (function mime-preview-scroll-down-entity))
(if (functionp default)
- (setq mime-view-mode-map
- (append mime-view-mode-map (list (cons t default)))
- ))
+ (cond (running-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))
(run-hooks 'mime-view-define-keymap-hook)
))
-(defun mime-view-mode (&optional mother ctl encoding ibuf obuf
+(defsubst mime-maybe-hide-echo-buffer ()
+ "Clear mime-echo buffer and delete window for it."
+ (let ((buf (get-buffer mime-echo-buffer-name)))
+ (if buf
+ (save-excursion
+ (set-buffer buf)
+ (erase-buffer)
+ (let ((win (get-buffer-window buf)))
+ (if win
+ (delete-window win)
+ ))
+ (bury-buffer buf)
+ ))))
+
+(defvar mime-view-redisplay nil)
+
+(defun mime-view-display-message (message &optional preview-buffer
+ mother default-keymap-or-function)
+ (mime-maybe-hide-echo-buffer)
+ (let ((win-conf (current-window-configuration))
+ (raw-buffer (mime-entity-buffer message)))
+ (or preview-buffer
+ (setq preview-buffer
+ (concat "*Preview-" (buffer-name raw-buffer) "*")))
+ (set-buffer raw-buffer)
+ (setq mime-raw-message-info (mime-parse-message))
+ (setq mime-preview-buffer preview-buffer)
+ (let ((inhibit-read-only t))
+ (switch-to-buffer preview-buffer)
+ (widen)
+ (erase-buffer)
+ (setq mime-raw-buffer raw-buffer)
+ (if 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")
+ (mime-view-display-entity message message
+ preview-buffer
+ '((entity-button . invisible)
+ (header . visible)
+ ))
+ (mime-view-define-keymap default-keymap-or-function)
+ (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)
+ ))
+ (run-hooks 'mime-view-mode-hook)
+ ))
+ (set-buffer-modified-p nil)
+ (setq buffer-read-only t)
+ )
+
+(defun mime-view-buffer (&optional raw-buffer preview-buffer mother
+ default-keymap-or-function)
+ (interactive)
+ (mime-view-display-message
+ (save-excursion
+ (if raw-buffer (set-buffer raw-buffer))
+ (mime-parse-message)
+ )
+ preview-buffer mother default-keymap-or-function))
+
+(defun mime-view-mode (&optional mother ctl encoding
+ raw-buffer preview-buffer
default-keymap-or-function)
"Major mode for viewing MIME message.
and decode current content as `play mode'
"
(interactive)
- (let ((buf (get-buffer mime/output-buffer-name)))
- (if buf
- (save-excursion
- (set-buffer buf)
- (erase-buffer)
- )))
- (let ((ret (mime-view-setup-buffer ctl encoding ibuf obuf))
- (win-conf (current-window-configuration))
- )
- (prog1
- (switch-to-buffer (car ret))
- (setq mime::preview/original-window-configuration win-conf)
- (if mother
- (progn
- (setq mime::preview/mother-buffer mother)
- ))
- (mime-view-define-keymap default-keymap-or-function)
- (setq mime::preview/content-list (nth 1 ret))
- (goto-char
- (let ((ce (mime::preview-content-info/point-max
- (car mime::preview/content-list)
- ))
- e)
- (goto-char (point-min))
- (search-forward "\n\n" nil t)
- (setq e (match-end 0))
- (if (<= e ce)
- e
- ce)))
- (run-hooks 'mime-view-mode-hook)
- )))
+ (mime-view-display-message
+ (save-excursion
+ (if raw-buffer (set-buffer raw-buffer))
+ (or mime-view-redisplay
+ (mime-parse-message ctl encoding))
+ )
+ preview-buffer mother default-keymap-or-function))
-(defun mime-preview/point-content-number (point)
- (save-window-excursion
- (let ((pc (mime-preview/point-pcinfo (point)))
- cinfo)
- (switch-to-buffer (mime::preview-content-info/buffer pc))
- (setq cinfo (mime::preview-content-info/content-info pc))
- (mime-article/point-content-number (mime::content-info/point-min cinfo))
- )))
-(defun mime-preview/cinfo-to-pcinfo (cinfo)
- (let ((rpcl mime::preview/content-list) cell)
- (catch 'tag
- (while rpcl
- (setq cell (car rpcl))
- (if (eq cinfo (mime::preview-content-info/content-info cell))
- (throw 'tag cell)
- )
- (setq rpcl (cdr rpcl))
- ))))
+;;; @@ playing
+;;;
-(autoload 'mime-view-play-current-entity "mime-play" "Play current entity." t)
+(autoload 'mime-preview-play-current-entity "mime-play"
+ "Play current entity." t)
-(defun mime-view-extract-current-entity ()
+(defun mime-preview-extract-current-entity ()
"Extract current entity into file (maybe).
It decodes current entity to call internal or external method as
\"extract\" mode. The method is selected from variable
-`mime/content-decoding-condition'."
+`mime-acting-condition'."
(interactive)
- (mime-view-play-current-entity "extract")
+ (mime-preview-play-current-entity "extract")
)
-(defun mime-view-print-current-entity ()
+(defun mime-preview-print-current-entity ()
"Print current entity (maybe).
It decodes current entity to call internal or external method as
\"print\" mode. The method is selected from variable
-`mime/content-decoding-condition'."
+`mime-acting-condition'."
(interactive)
- (mime-view-play-current-entity "print")
+ (mime-preview-play-current-entity "print")
)
-(defun mime-view-follow-content ()
+
+;;; @@ following
+;;;
+
+(defun mime-preview-original-major-mode (&optional recursive)
+ "Return major-mode of original buffer.
+If a current buffer has mime-mother-buffer, return original major-mode
+of the mother-buffer."
+ (if (and recursive mime-mother-buffer)
+ (save-excursion
+ (set-buffer mime-mother-buffer)
+ (mime-preview-original-major-mode recursive)
+ )
+ (save-excursion
+ (set-buffer
+ (mime-entity-buffer
+ (get-text-property (point-min) 'mime-view-entity)))
+ major-mode)))
+
+(defun mime-preview-follow-current-entity ()
+ "Write follow message to current entity.
+It calls following-method selected from variable
+`mime-view-following-method-alist'."
(interactive)
- (let ((root-cinfo
- (mime::preview-content-info/content-info
- (car mime::preview/content-list)))
- pc p-beg p-end cinfo rcnum)
- (let ((rest mime::preview/content-list)
- b e cell len rc)
- (if (catch 'tag
- (while (setq cell (car rest))
- (setq b (mime::preview-content-info/point-min cell)
- e (mime::preview-content-info/point-max cell))
- (setq rest (cdr rest))
- (if (and (<= b (point))(<= (point) e))
- (throw 'tag cell)
- )
- ))
- (progn
- (setq pc cell
- cinfo (mime::preview-content-info/content-info pc)
- rcnum (mime::content-info/rcnum cinfo))
- (setq len (length rcnum))
- (setq p-beg (mime::preview-content-info/point-min pc)
- p-end (mime::preview-content-info/point-max pc))
- (while (and (setq cell (car rest))
- (progn
- (setq rc
- (mime::content-info/rcnum
- (mime::preview-content-info/content-info
- cell)))
- (equal rcnum
- (nthcdr (- (length rc) len) rc))
- ))
- (setq p-end (mime::preview-content-info/point-max cell))
- (setq rest (cdr rest))
- ))))
- (if pc
- (let* ((mode (mime-preview/get-original-major-mode))
- (new-name (format "%s-%s" (buffer-name) (reverse rcnum)))
- new-buf
- (the-buf (current-buffer))
- (a-buf mime::preview/article-buffer)
- fields)
- (save-excursion
- (set-buffer (setq new-buf (get-buffer-create new-name)))
- (erase-buffer)
- (insert-buffer-substring the-buf p-beg p-end)
- (goto-char (point-min))
- (if (mime-view-header-visible-p rcnum root-cinfo)
- (delete-region (goto-char (point-min))
- (if (re-search-forward "^$" nil t)
- (match-end 0)
- (point-min)))
- )
- (goto-char (point-min))
- (insert "\n")
- (goto-char (point-min))
- (let ((rcnum (mime::content-info/rcnum cinfo)) ci str)
- (while (progn
- (setq str
- (save-excursion
- (set-buffer a-buf)
- (setq ci (mime-article/rcnum-to-cinfo rcnum))
- (save-restriction
- (narrow-to-region
- (mime::content-info/point-min ci)
- (mime::content-info/point-max ci)
- )
- (std11-header-string-except
- (concat "^"
- (apply (function regexp-or) fields)
- ":") ""))))
- (if (string= (mime::content-info/type ci)
- "message/rfc822")
- nil
- (if str
- (insert str)
+ (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
+ (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))
+ ))
+ ))
+ (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))
+ (a-buf mime-raw-buffer)
+ fields)
+ (save-excursion
+ (set-buffer (setq new-buf (get-buffer-create new-name)))
+ (erase-buffer)
+ (insert-buffer-substring the-buf p-beg p-end)
+ (goto-char (point-min))
+ (let ((entity-node-id (mime-entity-node-id entity)) ci str)
+ (while (progn
+ (setq
+ str
+ (save-excursion
+ (set-buffer a-buf)
+ (setq
+ ci
+ (mime-raw-find-entity-from-node-id entity-node-id))
+ (save-restriction
+ (narrow-to-region
+ (mime-entity-point-min ci)
+ (mime-entity-point-max ci)
)
- rcnum))
- (setq fields (std11-collect-field-names)
- rcnum (cdr rcnum))
- )
+ (std11-header-string-except
+ (concat "^"
+ (apply (function regexp-or) fields)
+ ":") ""))))
+ (if (and
+ (eq (mime-entity-media-type ci) 'message)
+ (eq (mime-entity-media-subtype ci) 'rfc822))
+ nil
+ (if str
+ (insert str)
+ )
+ entity-node-id))
+ (setq fields (std11-collect-field-names)
+ entity-node-id (cdr entity-node-id))
)
- (let ((rest mime-view-following-required-fields-list))
- (while rest
- (let ((field-name (car rest)))
- (or (std11-field-body field-name)
- (insert
- (format
- (concat field-name
- ": "
- (save-excursion
- (set-buffer the-buf)
- (set-buffer mime::preview/mother-buffer)
- (set-buffer mime::preview/article-buffer)
- (std11-field-body field-name)
- )
- "\n")))
- ))
- (setq rest (cdr rest))
- ))
- (eword-decode-header)
)
- (let ((f (cdr (assq mode mime-view-following-method-alist))))
- (if (functionp f)
- (funcall f new-buf)
- (message
- (format
- "Sorry, following method for %s is not implemented yet."
- mode))
+ (let ((rest mime-view-following-required-fields-list))
+ (while rest
+ (let ((field-name (car rest)))
+ (or (std11-field-body field-name)
+ (insert
+ (format
+ (concat field-name
+ ": "
+ (save-excursion
+ (set-buffer the-buf)
+ (set-buffer mime-mother-buffer)
+ (set-buffer mime-raw-buffer)
+ (std11-field-body field-name)
+ )
+ "\n")))
+ ))
+ (setq rest (cdr rest))
))
- ))))
+ (eword-decode-header)
+ )
+ (let ((f (cdr (assq mode mime-view-following-method-alist))))
+ (if (functionp f)
+ (funcall f new-buf)
+ (message
+ (format
+ "Sorry, following method for %s is not implemented yet."
+ mode))
+ ))
+ ))))
+
-(defun mime-view-display-x-face ()
+;;; @@ X-Face
+;;;
+
+(defun mime-preview-display-x-face ()
(interactive)
(save-window-excursion
- (set-buffer mime::preview/article-buffer)
+ (set-buffer mime-raw-buffer)
(mime-view-x-face-function)
))
-(defun mime-view-up-content ()
+
+;;; @@ moving
+;;;
+
+(defun mime-preview-move-to-upper ()
+ "Move to upper entity.
+If there is no upper entity, call function `mime-preview-quit'."
(interactive)
- (let* ((pc (mime-preview/point-pcinfo (point)))
- (cinfo (mime::preview-content-info/content-info pc))
- (rcnum (mime::content-info/rcnum cinfo))
- )
- (if rcnum
- (let ((r (save-excursion
- (set-buffer (mime::preview-content-info/buffer pc))
- (mime-article/rcnum-to-cinfo (cdr rcnum))
- ))
- (rpcl mime::preview/content-list)
- cell)
- (while (and
- (setq cell (car rpcl))
- (not (eq r (mime::preview-content-info/content-info cell)))
- )
- (setq rpcl (cdr rpcl))
+ (let (cinfo)
+ (while (null (setq cinfo
+ (get-text-property (point) 'mime-view-entity)))
+ (backward-char)
+ )
+ (let ((r (mime-raw-find-entity-from-node-id
+ (cdr (mime-entity-node-id cinfo))
+ (get-text-property 1 'mime-view-entity)))
+ point)
+ (catch 'tag
+ (while (setq point (previous-single-property-change
+ (point) 'mime-view-entity))
+ (goto-char point)
+ (if (eq r (get-text-property (point) 'mime-view-entity))
+ (throw 'tag t)
)
- (goto-char (mime::preview-content-info/point-min cell))
)
- (mime-view-quit)
- )))
+ (mime-preview-quit)
+ ))))
-(defun mime-view-previous-content ()
+(defun mime-preview-move-to-previous ()
+ "Move to previous entity.
+If there is no previous entity, it calls function registered in
+variable `mime-view-over-to-previous-method-alist'."
(interactive)
- (let* ((pcl mime::preview/content-list)
- (p (point))
- (i (- (length pcl) 1))
- beg)
- (catch 'tag
- (while (> i 0)
- (setq beg (mime::preview-content-info/point-min (nth i pcl)))
- (if (> p beg)
- (throw 'tag (goto-char beg))
+ (while (null (get-text-property (point) 'mime-view-entity))
+ (backward-char)
+ )
+ (let ((point (previous-single-property-change (point) 'mime-view-entity)))
+ (if point
+ (if (get-text-property (1- point) 'mime-view-entity)
+ (goto-char point)
+ (goto-char (1- point))
+ (mime-preview-move-to-previous)
)
- (setq i (- i 1))
- )
- (let ((f (assq mime::preview/original-major-mode
+ (let ((f (assq (mime-preview-original-major-mode)
mime-view-over-to-previous-method-alist)))
(if f
(funcall (cdr f))
))
- )
- ))
+ )))
-(defun mime-view-next-content ()
+(defun mime-preview-move-to-next ()
+ "Move to next entity.
+If there is no previous entity, it calls function registered in
+variable `mime-view-over-to-next-method-alist'."
(interactive)
- (let ((pcl mime::preview/content-list)
- (p (point))
- beg)
- (catch 'tag
- (while pcl
- (setq beg (mime::preview-content-info/point-min (car pcl)))
- (if (< p beg)
- (throw 'tag (goto-char beg))
- )
- (setq pcl (cdr pcl))
- )
- (let ((f (assq mime::preview/original-major-mode
+ (while (null (get-text-property (point) 'mime-view-entity))
+ (forward-char)
+ )
+ (let ((point (next-single-property-change (point) 'mime-view-entity)))
+ (if point
+ (progn
+ (goto-char point)
+ (if (null (get-text-property point 'mime-view-entity))
+ (mime-preview-move-to-next)
+ ))
+ (let ((f (assq (mime-preview-original-major-mode)
mime-view-over-to-next-method-alist)))
(if f
(funcall (cdr f))
))
- )
- ))
+ )))
-(defun mime-view-scroll-up-content (&optional h)
+(defun mime-preview-scroll-up-entity (&optional h)
+ "Scroll up current entity.
+If reached to (point-max), it calls function registered in variable
+`mime-view-over-to-next-method-alist'."
(interactive)
(or h
- (setq h (- (window-height) 1))
+ (setq h (1- (window-height)))
)
(if (= (point) (point-max))
- (let ((f (assq mime::preview/original-major-mode
+ (let ((f (assq (mime-preview-original-major-mode)
mime-view-over-to-next-method-alist)))
(if f
(funcall (cdr f))
))
- (let ((pcl mime::preview/content-list)
- (p (point))
- np beg)
- (setq np
- (or (catch 'tag
- (while pcl
- (setq beg (mime::preview-content-info/point-min (car pcl)))
- (if (< p beg)
- (throw 'tag beg)
- )
- (setq pcl (cdr pcl))
- ))
- (point-max)))
+ (let ((point
+ (or (next-single-property-change (point) 'mime-view-entity)
+ (point-max))))
(forward-line h)
- (if (> (point) np)
- (goto-char np)
+ (if (> (point) point)
+ (goto-char point)
)
- ;;(show-subtree)
- ))
- )
+ )))
-(defun mime-view-scroll-down-content (&optional h)
+(defun mime-preview-scroll-down-entity (&optional h)
+ "Scroll down current entity.
+If reached to (point-min), it calls function registered in variable
+`mime-view-over-to-previous-method-alist'."
(interactive)
(or h
- (setq h (- (window-height) 1))
+ (setq h (1- (window-height)))
)
(if (= (point) (point-min))
- (let ((f (assq mime::preview/original-major-mode
- mime-view-over-to-previous-method-alist)))
+ (let ((f (assq (mime-preview-original-major-mode)
+ mime-view-over-to-previous-method-alist)))
(if f
(funcall (cdr f))
))
- (let ((pcl mime::preview/content-list)
- (p (point))
- pp beg)
- (setq pp
- (or (let ((i (- (length pcl) 1)))
- (catch 'tag
- (while (> i 0)
- (setq beg (mime::preview-content-info/point-min
- (nth i pcl)))
- (if (> p beg)
- (throw 'tag beg)
- )
- (setq i (- i 1))
- )))
- (point-min)))
+ (let ((point
+ (or (previous-single-property-change (point) 'mime-view-entity)
+ (point-min))))
(forward-line (- h))
- (if (< (point) pp)
- (goto-char pp)
- )))
- )
+ (if (< (point) point)
+ (goto-char point)
+ ))))
-(defun mime-view-next-line-content ()
+(defun mime-preview-next-line-entity ()
(interactive)
- (mime-view-scroll-up-content 1)
+ (mime-preview-scroll-up-entity 1)
)
-(defun mime-view-previous-line-content ()
+(defun mime-preview-previous-line-entity ()
(interactive)
- (mime-view-scroll-down-content 1)
+ (mime-preview-scroll-down-entity 1)
)
-(defun mime-view-quit ()
+
+;;; @@ quitting
+;;;
+
+(defun mime-preview-quit ()
+ "Quit from MIME-preview buffer.
+It calls function registered in variable
+`mime-preview-quitting-method-alist'."
(interactive)
- (let ((r (save-excursion
- (set-buffer (mime::preview-content-info/buffer
- (mime-preview/point-pcinfo (point))))
- (assq major-mode mime-view-quitting-method-alist)
- )))
+ (let ((r (assq (mime-preview-original-major-mode)
+ mime-preview-quitting-method-alist)))
(if r
(funcall (cdr r))
)))
-(defun mime-view-show-summary ()
+(defun mime-preview-show-summary ()
+ "Show summary.
+It calls function registered in variable
+`mime-view-show-summary-method'."
(interactive)
- (let ((r (save-excursion
- (set-buffer
- (mime::preview-content-info/buffer
- (mime-preview/point-pcinfo (point)))
- )
- (assq major-mode mime-view-show-summary-method)
- )))
+ (let ((r (assq (mime-preview-original-major-mode)
+ mime-view-show-summary-method)))
(if r
(funcall (cdr r))
)))
-(defun mime-view-kill-buffer ()
+(defun mime-preview-kill-buffer ()
(interactive)
(kill-buffer (current-buffer))
)