;;; Code:
+(require 'mime)
(require 'mime-parse)
-(defun mmbuffer-open-entity (location)
- (mime-parse-buffer location)
- )
+(mm-define-backend buffer)
-(defun 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)
+ )))
+
+(mm-define-method entity-point-min ((entity buffer))
+ (mime-entity-header-start-internal entity))
-(defun mmbuffer-entity-point-max (entity)
- (mime-entity-body-end-internal entity)
- )
+(mm-define-method entity-point-max ((entity buffer))
+ (mime-entity-body-end-internal entity))
-(defun mmbuffer-fetch-field (entity field-name)
+(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)
+(mm-define-method entity-cooked-p ((entity buffer)) nil)
+
+(mm-define-method entity-children ((entity buffer))
+ (let* ((content-type (mime-entity-content-type entity))
+ (primary-type (mime-content-type-primary-type content-type)))
+ (cond ((eq primary-type 'multipart)
+ (mime-parse-multipart entity)
+ )
+ ((and (eq primary-type 'message)
+ (memq (mime-content-type-subtype content-type)
+ '(rfc822 news external-body)
+ ))
+ (mime-parse-encapsulated entity)
+ ))
+ ))
+
+(mm-define-method entity-content ((entity buffer))
+ (save-excursion
+ (set-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)
+ (mime-entity-body-end-internal entity)
+ filename
+ (or (mime-entity-encoding entity) "7bit"))
+ ))
+
+(mm-define-method write-entity ((entity buffer) filename)
+ (save-excursion
+ (set-buffer (mime-entity-buffer-internal entity))
+ (write-region-as-binary (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)
+ ))
+
+(defun mime-visible-field-p (field-name visible-fields invisible-fields)
+ (or (catch 'found
+ (while visible-fields
+ (let ((regexp (car visible-fields)))
+ (if (string-match regexp field-name)
+ (throw 'found t)
+ ))
+ (setq visible-fields (cdr visible-fields))
+ ))
+ (catch 'found
+ (while invisible-fields
+ (let ((regexp (car invisible-fields)))
+ (if (string-match regexp field-name)
+ (throw 'found nil)
+ ))
+ (setq invisible-fields (cdr invisible-fields))
+ )
+ t)))
+
+(mm-define-method insert-decoded-header ((entity buffer)
+ &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 (mime-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