;;; mmbuffer.el --- MIME entity module for binary buffer
-;; Copyright (C) 1998 Free Software Foundation, Inc.
+;; Copyright (C) 1998,1999 Free Software Foundation, Inc.
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Keywords: MIME, multimedia, mail, news
;;; Code:
-(require 'mime)
+(require 'mmgeneric)
-(defun mmbuffer-open-entity (location)
- (mime-parse-buffer location)
- )
+(mm-define-backend buffer (generic))
-(defsubst mmbuffer-entity-point-min (entity)
- (mime-entity-header-start-internal entity)
- )
+(mm-define-method initialize-instance ((entity buffer))
+ (mime-entity-set-buffer-internal
+ entity (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)))
+ (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)
+ )))
+ )
+ (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)
+ )))
-(defsubst mmbuffer-entity-point-max (entity)
- (mime-entity-body-end-internal entity)
- )
+;;; redefine to speed up
+
+(mm-define-method entity-point-min ((entity buffer))
+ (mime-entity-header-start-internal entity))
-(defun mmbuffer-fetch-field (entity field-name)
+(mm-define-method entity-point-max ((entity buffer))
+ (mime-entity-body-end-internal entity))
+
+(mm-define-method fetch-field ((entity buffer) field-name)
(save-excursion
(set-buffer (mime-entity-buffer-internal entity))
(save-restriction
(std11-fetch-field field-name)
)))
-(defun mmbuffer-cooked-p () nil)
-
-(defun mmbuffer-entity-content (entity)
+(mm-define-method entity-content ((entity buffer))
(save-excursion
(set-buffer (mime-entity-buffer-internal entity))
(mime-decode-string
(mime-entity-body-end-internal entity))
(mime-entity-encoding entity))))
-(defun mmbuffer-write-entity-content (entity filename)
+(mm-define-method insert-entity-content ((entity buffer))
+ (insert (with-current-buffer (mime-entity-buffer-internal entity)
+ (mime-decode-string
+ (buffer-substring (mime-entity-body-start-internal entity)
+ (mime-entity-body-end-internal entity))
+ (mime-entity-encoding entity)))))
+
+(mm-define-method write-entity-content ((entity buffer) filename)
(save-excursion
(set-buffer (mime-entity-buffer-internal entity))
(mime-write-decoded-region (mime-entity-body-start-internal entity)
(or (mime-entity-encoding entity) "7bit"))
))
-(defun mmbuffer-write-entity (entity filename)
+(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))
+ )
+
+(mm-define-method write-entity ((entity buffer) filename)
(save-excursion
(set-buffer (mime-entity-buffer-internal entity))
- (write-region-as-binary (mmbuffer-entity-point-min entity)
- (mmbuffer-entity-point-max entity) filename)
+ (write-region-as-raw-text-CRLF (mime-entity-header-start-internal entity)
+ (mime-entity-body-end-internal entity)
+ filename)
))
-(defun mmbuffer-write-entity-body (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)
+ (mime-entity-body-end-internal entity)
+ filename)
))
-(defun mmbuffer-insert-decoded-header (entity &optional invisible-fields
- visible-fields)
- (save-restriction
- (narrow-to-region (point)(point))
- (let ((the-buf (current-buffer))
- (src-buf (mime-entity-buffer-internal entity))
- (h-end (mime-entity-header-end-internal entity))
- beg p end field-name len field)
- (save-excursion
- (set-buffer src-buf)
- (goto-char (mime-entity-header-start-internal entity))
- (save-restriction
- (narrow-to-region (point) h-end)
- (while (re-search-forward std11-field-head-regexp nil t)
- (setq beg (match-beginning 0)
- p (match-end 0)
- field-name (buffer-substring beg (1- p))
- len (string-width field-name)
- end (std11-field-end))
- (when (eword-visible-field-p field-name
- visible-fields invisible-fields)
- (setq field (intern (capitalize field-name)))
- (save-excursion
- (set-buffer the-buf)
- (insert field-name)
- (insert ":")
- (cond ((memq field eword-decode-ignored-field-list)
- ;; Don't decode
- (insert-buffer-substring src-buf p end)
- )
- ((memq field eword-decode-structured-field-list)
- ;; Decode as structured field
- (let ((body (save-excursion
- (set-buffer src-buf)
- (buffer-substring p end)
- )))
- (insert (eword-decode-and-fold-structured-field
- body (1+ len)))
- ))
- (t
- ;; Decode as unstructured field
- (let ((body (save-excursion
- (set-buffer src-buf)
- (buffer-substring p end)
- )))
- (insert (eword-decode-unstructured-field-body
- body (1+ len)))
- )))
- (insert "\n")
- ))))))))
-
;;; @ end
;;;
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