;;; mmbuffer.el --- MIME entity module for binary buffer
-;; Copyright (C) 1998 Free Software Foundation, Inc.
+;; Copyright (C) 1998,1999 Free Software Foundation, Inc.
+;; Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
+;; Licensed to the Free Software Foundation.
-;; 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).
(require 'mime)
-(defun mmbuffer-open-entity (location)
- (mime-parse-buffer location)
- )
+(eval-and-compile
+ (luna-define-class mime-buffer-entity (mime-entity)
+ (buffer
+ header-start
+ header-end
+ body-start
+ body-end))
-(defun mmbuffer-entity-point-min (entity)
- (mime-entity-header-start-internal entity)
+ (luna-define-internal-accessors 'mime-buffer-entity)
)
-(defun mmbuffer-entity-point-max (entity)
- (mime-entity-body-end-internal 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 (mime-entity-location-internal entity)))
+ (save-excursion
+ (set-buffer (mime-buffer-entity-buffer-internal entity))
+ (if (mime-root-entity-p entity)
+ (setq mime-message-structure 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)
+ (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)
+ )
+ (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))
)
-(defun mmbuffer-fetch-field (entity field-name)
- (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)
- )))
-(defun mmbuffer-cooked-p () nil)
+(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)
+ )
-(defun mmbuffer-entity-content (entity)
+(luna-define-method mime-entity-content ((entity mime-buffer-entity))
(save-excursion
- (set-buffer (mime-entity-buffer-internal entity))
+ (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))))
-(defun mmbuffer-write-entity-content (entity filename)
+(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 (capitalize field-name)))))
+ (mime-entity-set-original-header-internal
+ entity
+ (put-alist field-name ret
+ (mime-entity-original-header-internal entity)))
+ ret))))))
+
+(mm-define-method insert-entity-content ((entity buffer))
+ (insert (with-current-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)))))
+
+(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"))
))
-(defun mmbuffer-write-entity (entity filename)
+(mm-define-method insert-entity ((entity buffer))
+ (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-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 entity))
- (write-region-as-binary (mime-entity-point-min entity)
- (mime-entity-point-max entity) filename)
+ (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)
))
+;;; @ 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)
+ )
+
+
;;; @ end
;;;