;;; 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))
+
+ (luna-define-internal-accessors 'mime-buffer-entity)
+ )
(mm-define-method initialize-instance ((entity buffer))
- (mime-entity-set-buffer-internal
+ (mime-buffer-entity-set-buffer-internal
entity (mime-entity-location-internal entity))
(save-excursion
- (set-buffer (mime-entity-buffer-internal entity))
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
(setq mime-message-structure entity)
(let ((header-start (point-min))
header-end
(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)
+ (mime-buffer-entity-set-header-start-internal entity header-start)
+ (mime-buffer-entity-set-header-end-internal entity header-end)
+ (mime-buffer-entity-set-body-start-internal entity body-start)
+ (mime-buffer-entity-set-body-end-internal entity body-end)
+ )))
+
+(luna-define-method mime-entity-name ((entity mime-buffer-entity))
+ (buffer-name (mime-buffer-entity-buffer-internal entity))
+ )
+
+
+;;; @ message parser
+;;;
+
+(defun mime-parse-multipart (entity)
+ (goto-char (point-min))
+ (let* ((representation-type
+ (mime-entity-representation-type-internal entity))
+ (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]*$"))
+ (rsep (concat delimiter "[ \t]*\n"))
+ (dc-ctl
+ (if (eq (mime-content-type-subtype content-type) 'digest)
+ (make-mime-content-type 'message 'rfc822)
+ (make-mime-content-type 'text 'plain)
+ ))
+ (header-end (mime-buffer-entity-header-end-internal entity))
+ (body-end (mime-buffer-entity-body-end-internal entity)))
+ (save-restriction
+ (goto-char body-end)
+ (narrow-to-region header-end
+ (if (re-search-backward close-delimiter nil t)
+ (match-beginning 0)
+ body-end))
+ (goto-char header-end)
+ (if (re-search-forward rsep nil t)
+ (let ((cb (match-end 0))
+ ce ncb ret children
+ (node-id (mime-entity-node-id-internal entity))
+ (i 0))
+ (while (re-search-forward rsep nil t)
+ (setq ce (match-beginning 0))
+ (setq ncb (match-end 0))
+ (save-restriction
+ (narrow-to-region cb ce)
+ (setq ret (mime-parse-message representation-type dc-ctl
+ entity (cons i node-id)))
+ )
+ (setq children (cons ret children))
+ (goto-char (setq cb ncb))
+ (setq i (1+ i))
+ )
+ (setq ce (point-max))
+ (save-restriction
+ (narrow-to-region cb ce)
+ (setq ret (mime-parse-message representation-type dc-ctl
+ entity (cons i node-id)))
+ )
+ (setq children (cons ret children))
+ (mime-entity-set-children-internal entity (nreverse children))
+ )
+ (mime-entity-set-content-type-internal
+ entity (make-mime-content-type 'message 'x-broken))
+ nil)
)))
+(defun mime-parse-encapsulated (entity)
+ (mime-entity-set-children-internal
+ entity
+ (save-restriction
+ (narrow-to-region (mime-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity))
+ (list (mime-parse-message
+ (mime-entity-representation-type-internal entity) nil
+ entity (cons 0 (mime-entity-node-id-internal entity))))
+ )))
+
+(defun mime-parse-message (representation-type &optional default-ctl
+ parent node-id)
+ (let ((header-start (point-min))
+ header-end
+ body-start
+ (body-end (point-max))
+ content-type)
+ (goto-char header-start)
+ (if (re-search-forward "^$" 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)
+ (setq content-type (or (let ((str (std11-fetch-field "Content-Type")))
+ (if str
+ (mime-parse-Content-Type str)
+ ))
+ default-ctl))
+ )
+ (luna-make-entity representation-type
+ :location (current-buffer)
+ :content-type content-type
+ :parent parent
+ :node-id node-id
+ :buffer (current-buffer)
+ :header-start header-start
+ :header-end header-end
+ :body-start body-start
+ :body-end body-end)
+ ))
+
+(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)))
+ (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)
+ ))
+ ))
+
+
+(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))
+ )
+
+(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)))
+
+(defun mime-insert-header-from-buffer (buffer start end
+ &optional invisible-fields
+ visible-fields)
+ (let ((the-buf (current-buffer))
+ (mode-obj (mime-find-field-presentation-method 'wide))
+ field-decoder
+ f-b p f-e field-name len field field-body)
+ (save-excursion
+ (set-buffer buffer)
+ (save-restriction
+ (narrow-to-region start end)
+ (goto-char start)
+ (while (re-search-forward std11-field-head-regexp nil t)
+ (setq f-b (match-beginning 0)
+ p (match-end 0)
+ field-name (buffer-substring f-b p)
+ len (string-width field-name)
+ f-e (std11-field-end))
+ (when (mime-visible-field-p field-name
+ visible-fields invisible-fields)
+ (setq field (intern
+ (capitalize (buffer-substring f-b (1- p))))
+ field-body (buffer-substring p f-e)
+ field-decoder (inline (mime-find-field-decoder-internal
+ field mode-obj)))
+ (with-current-buffer the-buf
+ (insert field-name)
+ (insert (if field-decoder
+ (funcall field-decoder field-body len)
+ ;; Don't decode
+ field-body))
+ (insert "\n")
+ )))))))
+
+(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)
+ )
+
+(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-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity))
+ (mime-entity-encoding entity))))
+
+(luna-define-method mime-insert-text-content ((entity mime-buffer-entity))
+ (insert
+ (decode-mime-charset-string (mime-entity-content entity)
+ (or (mime-content-type-parameter
+ (mime-entity-content-type entity)
+ "charset")
+ default-mime-charset)
+ 'CRLF)
+ ))
+
;;; redefine to speed up
(mm-define-method entity-point-min ((entity buffer))
- (mime-entity-header-start-internal entity))
+ (mime-buffer-entity-header-start-internal entity))
(mm-define-method entity-point-max ((entity buffer))
- (mime-entity-body-end-internal entity))
+ (mime-buffer-entity-body-end-internal entity))
-(mm-define-method fetch-field ((entity buffer) field-name)
+(luna-define-method mime-entity-fetch-field ((entity mime-buffer-entity)
+ field-name)
(save-excursion
- (set-buffer (mime-entity-buffer-internal entity))
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
(save-restriction
- (narrow-to-region (mime-entity-header-start-internal entity)
- (mime-entity-header-end-internal entity))
+ (narrow-to-region (mime-buffer-entity-header-start-internal entity)
+ (mime-buffer-entity-header-end-internal entity))
(std11-fetch-field field-name)
)))
-(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 insert-entity-content ((entity buffer))
- (insert (with-current-buffer (mime-entity-buffer-internal 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)
(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))
+ (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 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)
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
+ (write-region-as-raw-text-CRLF
+ (mime-buffer-entity-header-start-internal entity)
+ (mime-buffer-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)
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
+ (write-region-as-binary (mime-buffer-entity-body-start-internal entity)
+ (mime-buffer-entity-body-end-internal entity)
filename)
))
+;;; @ buffer
+;;;
+
+(luna-define-method mime-entity-header-buffer ((entity mime-buffer-entity))
+ (mime-buffer-entity-buffer-internal entity)
+ )
+
+(luna-define-method mime-entity-body-buffer ((entity mime-buffer-entity))
+ (mime-buffer-entity-buffer-internal entity)
+ )
+
+(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)
+ )
+
+
+;;; @ utility
+;;;
+
+;;;###autoload
+(defun mime-parse-buffer (&optional buffer representation-type)
+ "Parse BUFFER as a MIME message.
+If buffer is omitted, it parses current-buffer."
+ (save-excursion
+ (if buffer (set-buffer buffer))
+ (setq mime-message-structure
+ (mime-parse-message (or representation-type 'buffer) nil))
+ ))
+
+
;;; @ end
;;;
projects / elisp / flim.git / commitdiff