;;; mmbuffer.el --- MIME entity module for binary buffer
-;; Copyright (C) 1998,1999 Free Software Foundation, Inc.
+;; Copyright (C) 1998,1999,2000 Free Software Foundation, Inc.
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
;; Keywords: MIME, multimedia, mail, news
;; This file is part of FLIM (Faithful Library about Internet Message).
;; 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 'mmgeneric)
+(require 'mime)
-(mm-define-backend buffer (generic))
+(eval-and-compile
+ (luna-define-class mime-buffer-entity (mime-entity)
+ (buffer
+ header-start
+ header-end
+ body-start
+ body-end))
-(mm-define-method initialize-instance ((entity buffer))
- (mime-entity-set-buffer-internal
- entity (mime-entity-location-internal entity))
+ (luna-define-internal-accessors 'mime-buffer-entity)
+ )
+
+(luna-define-method initialize-instance :after ((entity mime-buffer-entity)
+ &rest init-args)
+ (or (mime-buffer-entity-buffer-internal entity)
+ (mime-buffer-entity-set-buffer-internal
+ entity (get-buffer (mime-entity-location-internal entity))))
(save-excursion
- (set-buffer (mime-entity-buffer-internal entity))
- (setq mime-message-structure entity)
- (let ((header-start (point-min))
- header-end
- body-start
- (body-end (point-max)))
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
+ (let ((header-start
+ (or (mime-buffer-entity-header-start-internal entity)
+ (mime-buffer-entity-set-header-start-internal
+ entity (point-min))))
+ (header-end (mime-buffer-entity-header-end-internal entity))
+ (body-start (mime-buffer-entity-body-start-internal entity))
+ (body-end
+ (or (mime-buffer-entity-body-end-internal entity)
+ (mime-buffer-entity-set-body-end-internal entity (point-max)))))
(goto-char header-start)
- (if (re-search-forward "^$" nil t)
- (setq header-end (match-end 0)
- body-start (if (= header-end body-end)
- body-end
- (1+ header-end)))
- (setq header-end (point-min)
- body-start (point-min)))
- (save-restriction
- (narrow-to-region header-start header-end)
- (mime-entity-set-content-type-internal
- entity
- (let ((str (std11-fetch-field "Content-Type")))
- (if str
- (mime-parse-Content-Type str)
- )))
+ (unless (and header-end body-start)
+ (if (re-search-forward "^$" body-end t)
+ (setq header-end (match-end 0)
+ body-start (if (= header-end body-end)
+ body-end
+ (1+ header-end)))
+ (setq header-end (point-min)
+ body-start (point-min)))
+ (mime-buffer-entity-set-header-end-internal entity header-end)
+ (mime-buffer-entity-set-body-start-internal entity body-start)
)
- (mime-entity-set-header-start-internal entity header-start)
- (mime-entity-set-header-end-internal entity header-end)
- (mime-entity-set-body-start-internal entity body-start)
- (mime-entity-set-body-end-internal entity body-end)
- )))
+ (or (mime-entity-content-type-internal entity)
+ (save-restriction
+ (narrow-to-region header-start header-end)
+ (mime-entity-set-content-type-internal
+ entity
+ (let ((str (std11-fetch-field "Content-Type")))
+ (if str
+ (mime-parse-Content-Type str)
+ )))
+ ))
+ ))
+ entity)
+
+(luna-define-method mime-entity-name ((entity mime-buffer-entity))
+ (buffer-name (mime-buffer-entity-buffer-internal entity))
+ )
-;;; redefine to speed up
-(mm-define-method entity-point-min ((entity buffer))
- (mime-entity-header-start-internal entity))
+;;; @ entity
+;;;
-(mm-define-method entity-point-max ((entity buffer))
- (mime-entity-body-end-internal entity))
+(luna-define-method mime-insert-entity ((entity mime-buffer-entity))
+ (insert-buffer-substring (mime-buffer-entity-buffer-internal entity)
+ (mime-buffer-entity-header-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity))
+ )
-(mm-define-method fetch-field ((entity buffer) field-name)
+(luna-define-method mime-write-entity ((entity mime-buffer-entity) filename)
(save-excursion
- (set-buffer (mime-entity-buffer-internal entity))
- (save-restriction
- (narrow-to-region (mime-entity-header-start-internal entity)
- (mime-entity-header-end-internal entity))
- (std11-fetch-field field-name)
- )))
-
-(mm-define-method entity-content ((entity buffer))
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
+ (let ((coding-system-for-write 'raw-text-dos))
+ (write-region (mime-buffer-entity-header-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity)
+ filename))))
+
+
+;;; @ entity header
+;;;
+
+
+;;; @ entity body
+;;;
+
+(luna-define-method mime-entity-body ((entity mime-buffer-entity))
(save-excursion
- (set-buffer (mime-entity-buffer-internal entity))
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
+ (buffer-substring (mime-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity))))
+
+(luna-define-method mime-insert-entity-body ((entity mime-buffer-entity))
+ (insert-buffer-substring (mime-buffer-entity-buffer-internal entity)
+ (mime-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity))
+ )
+
+(luna-define-method mime-write-entity-body ((entity mime-buffer-entity)
+ filename)
+ (save-excursion
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
+ (binary-write-decoded-region
+ (mime-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity)
+ filename)))
+
+
+;;; @ entity content
+;;;
+
+(luna-define-method mime-entity-content ((entity mime-buffer-entity))
+ (save-excursion
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
(mime-decode-string
- (buffer-substring (mime-entity-body-start-internal entity)
- (mime-entity-body-end-internal entity))
+ (buffer-substring (mime-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity))
(mime-entity-encoding entity))))
-(mm-define-method insert-entity-content ((entity buffer))
- (insert (with-current-buffer (mime-entity-buffer-internal entity)
+(luna-define-method mime-insert-entity-content ((entity mime-buffer-entity))
+ (insert (with-current-buffer (mime-buffer-entity-buffer-internal entity)
(mime-decode-string
- (buffer-substring (mime-entity-body-start-internal entity)
- (mime-entity-body-end-internal entity))
+ (buffer-substring (mime-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity))
(mime-entity-encoding entity)))))
-(mm-define-method write-entity-content ((entity buffer) filename)
+(luna-define-method mime-write-entity-content ((entity mime-buffer-entity)
+ filename)
(save-excursion
- (set-buffer (mime-entity-buffer-internal entity))
- (mime-write-decoded-region (mime-entity-body-start-internal entity)
- (mime-entity-body-end-internal entity)
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
+ (mime-write-decoded-region (mime-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity)
filename
(or (mime-entity-encoding entity) "7bit"))
))
-(mm-define-method insert-entity ((entity buffer))
- (insert-buffer-substring (mime-entity-buffer-internal entity)
- (mime-entity-header-start-internal entity)
- (mime-entity-body-end-internal entity))
+
+;;; @ header field
+;;;
+
+(luna-define-method mime-entity-fetch-field :around
+ ((entity mime-buffer-entity) field-name)
+ (or (luna-call-next-method)
+ (save-excursion
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
+ (save-restriction
+ (narrow-to-region (mime-buffer-entity-header-start-internal entity)
+ (mime-buffer-entity-header-end-internal entity))
+ (let ((ret (std11-fetch-field field-name)))
+ (when ret
+ (or (symbolp field-name)
+ (setq field-name (intern (capitalize field-name))))
+ (mime-entity-set-original-header-internal
+ entity
+ (put-alist field-name ret
+ (mime-entity-original-header-internal entity)))
+ ret))))))
+
+(luna-define-method mime-insert-header ((entity mime-buffer-entity)
+ &optional invisible-fields
+ visible-fields)
+ (mime-insert-header-from-buffer
+ (mime-buffer-entity-buffer-internal entity)
+ (mime-buffer-entity-header-start-internal entity)
+ (mime-buffer-entity-header-end-internal entity)
+ invisible-fields visible-fields)
)
-(mm-define-method write-entity ((entity buffer) filename)
- (save-excursion
- (set-buffer (mime-entity-buffer-internal entity))
- (write-region-as-raw-text-CRLF (mime-entity-header-start-internal entity)
- (mime-entity-body-end-internal entity)
- filename)
- ))
-(mm-define-method write-entity-body ((entity buffer) filename)
- (save-excursion
- (set-buffer (mime-entity-buffer-internal entity))
- (write-region-as-binary (mime-entity-body-start-internal entity)
- (mime-entity-body-end-internal entity)
- filename)
- ))
+;;; @ header buffer
+;;;
+
+;; (luna-define-method mime-entity-header-buffer ((entity mime-buffer-entity))
+;; (mime-buffer-entity-buffer-internal entity)
+;; )
+
+;; (luna-define-method mime-goto-header-start-point ((entity mime-buffer-entity))
+;; (set-buffer (mime-buffer-entity-buffer-internal entity))
+;; (goto-char (mime-buffer-entity-header-start-internal entity))
+;; )
+
+;; (luna-define-method mime-entity-header-start-point ((entity
+;; mime-buffer-entity))
+;; (mime-buffer-entity-header-start-internal entity)
+;; )
+
+;; (luna-define-method mime-entity-header-end-point ((entity
+;; mime-buffer-entity))
+;; (mime-buffer-entity-header-end-internal entity)
+;; )
+
+
+;;; @ body buffer
+;;;
+
+;; (luna-define-method mime-entity-body-buffer ((entity mime-buffer-entity))
+;; (mime-buffer-entity-buffer-internal entity)
+;; )
+
+;; (luna-define-method mime-goto-body-start-point ((entity mime-buffer-entity))
+;; (set-buffer (mime-buffer-entity-buffer-internal entity))
+;; (goto-char (mime-buffer-entity-body-start-internal entity))
+;; )
+
+;; (luna-define-method mime-goto-body-end-point ((entity mime-buffer-entity))
+;; (set-buffer (mime-buffer-entity-buffer-internal entity))
+;; (goto-char (mime-buffer-entity-body-end-internal entity))
+;; )
+
+;; (luna-define-method mime-entity-body-start-point ((entity mime-buffer-entity))
+;; (mime-buffer-entity-body-start-internal entity)
+;; )
+
+;; (luna-define-method mime-entity-body-end-point ((entity mime-buffer-entity))
+;; (mime-buffer-entity-body-end-internal entity)
+;; )
+
+
+;;; @ buffer (obsolete)
+;;;
+
+;; (luna-define-method mime-entity-buffer ((entity mime-buffer-entity))
+;; (mime-buffer-entity-buffer-internal entity)
+;; )
+
+;; (luna-define-method mime-entity-point-min ((entity mime-buffer-entity))
+;; (mime-buffer-entity-header-start-internal entity)
+;; )
+
+;; (luna-define-method mime-entity-point-max ((entity mime-buffer-entity))
+;; (mime-buffer-entity-body-end-internal entity)
+;; )
+
+
+;;; @ children
+;;;
+
+(defun mmbuffer-parse-multipart (entity &optional representation-type)
+ (with-current-buffer (mime-buffer-entity-buffer-internal entity)
+ (or representation-type
+ (setq representation-type
+ (mime-entity-representation-type-internal entity)))
+ (let* ((content-type (mime-entity-content-type-internal entity))
+ (dash-boundary
+ (concat "--"
+ (mime-content-type-parameter content-type "boundary")))
+ (delimiter (concat "\n" (regexp-quote dash-boundary)))
+ (close-delimiter (concat delimiter "--[ \t]*$"))
+ (rsep (concat delimiter "[ \t]*\n"))
+ (dc-ctl
+ (if (eq (mime-content-type-subtype content-type) 'digest)
+ (make-mime-content-type 'message 'rfc822)
+ (make-mime-content-type 'text 'plain)
+ ))
+ (body-start (mime-buffer-entity-body-start-internal entity))
+ (body-end (mime-buffer-entity-body-end-internal entity)))
+ (save-restriction
+ (goto-char body-end)
+ (narrow-to-region body-start
+ (if (re-search-backward close-delimiter nil t)
+ (match-beginning 0)
+ body-end))
+ (goto-char body-start)
+ (if (re-search-forward
+ (concat "^" (regexp-quote dash-boundary) "[ \t]*\n")
+ nil t)
+ (let ((cb (match-end 0))
+ ce ncb ret children
+ (node-id (mime-entity-node-id-internal entity))
+ (i 0))
+ (while (re-search-forward rsep nil t)
+ (setq ce (match-beginning 0))
+ (setq ncb (match-end 0))
+ (save-restriction
+ (narrow-to-region cb ce)
+ (setq ret (mime-parse-message representation-type dc-ctl
+ entity (cons i node-id)))
+ )
+ (setq children (cons ret children))
+ (goto-char (setq cb ncb))
+ (setq i (1+ i))
+ )
+ (setq ce (point-max))
+ (save-restriction
+ (narrow-to-region cb ce)
+ (setq ret (mime-parse-message representation-type dc-ctl
+ entity (cons i node-id)))
+ )
+ (setq children (cons ret children))
+ (mime-entity-set-children-internal entity (nreverse children))
+ )
+ (mime-entity-set-content-type-internal
+ entity (make-mime-content-type 'message 'x-broken))
+ nil)
+ ))))
+
+(defun mmbuffer-parse-encapsulated (entity &optional external
+ representation-type)
+ (mime-entity-set-children-internal
+ entity
+ (with-current-buffer (mime-buffer-entity-buffer-internal entity)
+ (save-restriction
+ (narrow-to-region (mime-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity))
+ (list (mime-parse-message
+ (if external
+ (progn
+ (require 'mmexternal)
+ 'mime-external-entity)
+ (or representation-type
+ (mime-entity-representation-type-internal entity)))
+ nil
+ entity (cons 0 (mime-entity-node-id-internal entity))))))))
+
+(luna-define-method mime-entity-children ((entity mime-buffer-entity))
+ (let* ((content-type (mime-entity-content-type entity))
+ (primary-type (mime-content-type-primary-type content-type))
+ sub-type)
+ (cond ((eq primary-type 'multipart)
+ (mmbuffer-parse-multipart entity))
+ ((eq primary-type 'message)
+ (setq sub-type (mime-content-type-subtype content-type))
+ (cond ((eq sub-type 'external-body)
+ (mmbuffer-parse-encapsulated entity 'external))
+ ((memq sub-type '(rfc822 news))
+ (mmbuffer-parse-encapsulated entity)))))))
;;; @ end
projects / elisp / flim.git / blobdiff