+++ /dev/null
-;;; mime.el --- MIME library module
-
-;; Copyright (C) 1998 Free Software Foundation, Inc.
-
-;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Keywords: MIME, multimedia, mail, news
-
-;; This file is part of FLIM (Faithful Library about Internet Message).
-
-;; This program is free software; you can redistribute it and/or
-;; modify it under the terms of the GNU General Public License as
-;; published by the Free Software Foundation; either version 2, or (at
-;; your option) any later version.
-
-;; This program is distributed in the hope that it will be useful, but
-;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-;; General Public License for more details.
-
-;; 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.
-
-;;; Code:
-
-(require 'alist)
-(require 'std11)
-(require 'mime-def)
-(require 'eword-decode)
-
-(autoload 'eword-encode-field "eword-encode"
- "Encode header field STRING, and return the result.")
-(autoload 'eword-encode-header "eword-encode"
- "Encode header fields to network representation, such as MIME encoded-word.")
-
-
-(autoload 'mime-parse-Content-Type "mime-parse"
- "Parse STRING as field-body of Content-Type field.")
-(autoload 'mime-read-Content-Type "mime-parse"
- "Read field-body of Content-Type field from current-buffer,
-and return parsed it.")
-
-(autoload 'mime-parse-Content-Disposition "mime-parse"
- "Parse STRING as field-body of Content-Disposition field.")
-(autoload 'mime-read-Content-Disposition "mime-parse"
- "Read field-body of Content-Disposition field from current-buffer,
-and return parsed it.")
-
-(autoload 'mime-parse-Content-Transfer-Encoding "mime-parse"
- "Parse STRING as field-body of Content-Transfer-Encoding field.")
-(autoload 'mime-read-Content-Transfer-Encoding "mime-parse"
- "Read field-body of Content-Transfer-Encoding field from
-current-buffer, and return it.")
-
-(autoload 'mime-parse-buffer "mime-parse"
- "Parse BUFFER as a MIME message.")
-
-
-;;; @ Entity Representation and Implementation
-;;;
-
-(defsubst mime-find-function (service type)
- (let ((imps (cdr (assq type mime-entity-implementation-alist))))
- (if imps
- (cdr (assq service imps))
- (require (intern (format "mm%s" type)))
- (cdr (assq service
- (cdr (assq type mime-entity-implementation-alist))))
- )))
-
-(defsubst mime-entity-function (entity service)
- (mime-find-function service
- (mime-entity-representation-type-internal entity)))
-
-(defsubst mime-entity-send (entity service &rest args)
- (apply (mime-find-function
- service (mime-entity-representation-type-internal entity))
- entity
- args))
-
-(defsubst mm-arglist-to-arguments (arglist)
- (let (dest)
- (while arglist
- (let ((arg (car arglist)))
- (or (memq arg '(&optional &rest))
- (setq dest (cons arg dest)))
- )
- (setq arglist (cdr arglist)))
- (nreverse dest)))
-
-(defmacro mm-define-generic (name args &optional doc)
- (if doc
- `(defun ,(intern (format "mime-%s" name)) ,args
- ,doc
- (mime-entity-send ,(car args) ',name
- ,@(mm-arglist-to-arguments (cdr args)))
- )
- `(defun ,(intern (format "mime-%s" name)) ,args
- (mime-entity-send ,(car args) ',name
- ,@(mm-arglist-to-arguments (cdr args)))
- )))
-
-(put 'mm-define-generic 'lisp-indent-function 'defun)
-
-(defun mime-open-entity (type location)
- "Open an entity and return it.
-TYPE is representation-type.
-LOCATION is location of entity. Specification of it is depended on
-representation-type."
- (let ((entity (make-mime-entity-internal type location)))
- (mime-entity-send entity 'initialize-instance)
- entity))
-
-(mm-define-generic entity-cooked-p (entity)
- "Return non-nil if contents of ENTITY has been already code-converted.")
-
-
-;;; @ Entity as node of message
-;;;
-
-(defun mime-entity-children (entity)
- (or (mime-entity-children-internal entity)
- (mime-entity-send entity 'entity-children)))
-
-(defalias 'mime-entity-node-id 'mime-entity-node-id-internal)
-
-(defun mime-entity-number (entity)
- "Return entity-number of ENTITY."
- (reverse (mime-entity-node-id-internal entity)))
-
-(defun mime-find-entity-from-number (entity-number &optional message)
- "Return entity from ENTITY-NUMBER in MESSAGE.
-If MESSAGE is not specified, `mime-message-structure' is used."
- (or message
- (setq message mime-message-structure))
- (let ((sn (car entity-number)))
- (if (null sn)
- message
- (let ((rc (nth sn (mime-entity-children message))))
- (if rc
- (mime-find-entity-from-number (cdr entity-number) rc)
- ))
- )))
-
-(defun mime-find-entity-from-node-id (entity-node-id &optional message)
- "Return entity from ENTITY-NODE-ID in MESSAGE.
-If MESSAGE is not specified, `mime-message-structure' is used."
- (mime-find-entity-from-number (reverse entity-node-id) message))
-
-(defun mime-entity-parent (entity &optional message)
- "Return mother entity of ENTITY.
-If MESSAGE is specified, it is regarded as root entity."
- (if (equal entity message)
- nil
- (mime-entity-parent-internal entity)))
-
-(defun mime-root-entity-p (entity &optional message)
- "Return t if ENTITY is root-entity (message).
-If MESSAGE is specified, it is regarded as root entity."
- (null (mime-entity-parent entity message)))
-
-
-;;; @ Entity Buffer
-;;;
-
-(defun mime-entity-buffer (entity)
- (or (mime-entity-buffer-internal entity)
- (mime-entity-send entity 'entity-buffer)))
-
-(mm-define-generic entity-point-min (entity)
- "Return the start point of ENTITY in the buffer which contains ENTITY.")
-
-(mm-define-generic entity-point-max (entity)
- "Return the end point of ENTITY in the buffer which contains ENTITY.")
-
-(defun mime-entity-header-start (entity)
- (or (mime-entity-header-start-internal entity)
- (mime-entity-send entity 'entity-header-start)))
-
-(defun mime-entity-header-end (entity)
- (or (mime-entity-header-end-internal entity)
- (mime-entity-send entity 'entity-header-end)))
-
-(defun mime-entity-body-start (entity)
- (or (mime-entity-body-start-internal entity)
- (mime-entity-send entity 'entity-body-start)))
-
-(defun mime-entity-body-end (entity)
- (or (mime-entity-body-end-internal entity)
- (mime-entity-send entity 'entity-body-end)))
-
-
-;;; @ Entity Header
-;;;
-
-(defun mime-fetch-field (field-name &optional entity)
- (or (symbolp field-name)
- (setq field-name (intern (capitalize (capitalize field-name)))))
- (or entity
- (setq entity mime-message-structure))
- (let* ((header (mime-entity-original-header-internal entity))
- (field-body (cdr (assq field-name header))))
- (or field-body
- (progn
- (if (setq field-body
- (mime-entity-send entity 'fetch-field
- (symbol-name field-name)))
- (mime-entity-set-original-header-internal
- entity (put-alist field-name field-body header))
- )
- field-body))))
-
-(defalias 'mime-entity-content-type 'mime-entity-content-type-internal)
-
-(defun mime-entity-content-disposition (entity)
- (or (mime-entity-content-disposition-internal entity)
- (let ((ret (mime-fetch-field 'Content-Disposition entity)))
- (if ret
- (let ((disposition (mime-parse-Content-Disposition ret)))
- (when disposition
- (mime-entity-set-content-disposition-internal
- entity disposition)
- disposition))))))
-
-(defun mime-entity-encoding (entity &optional default-encoding)
- (or (mime-entity-encoding-internal entity)
- (let ((encoding
- (or (let ((ret (mime-fetch-field
- 'Content-Transfer-Encoding entity)))
- (and ret (mime-parse-Content-Transfer-Encoding ret)))
- default-encoding "7bit")))
- (mime-entity-set-encoding-internal entity encoding)
- encoding)))
-
-(defun mime-read-field (field-name &optional entity)
- (or (symbolp field-name)
- (setq field-name (capitalize (capitalize field-name))))
- (or entity
- (setq entity mime-message-structure))
- (cond ((eq field-name 'Content-Type)
- (mime-entity-content-type entity)
- )
- ((eq field-name 'Content-Disposition)
- (mime-entity-content-disposition entity)
- )
- ((eq field-name 'Content-Transfer-Encoding)
- (mime-entity-encoding entity)
- )
- (t
- (let* ((header (mime-entity-parsed-header-internal entity))
- (field (cdr (assq field-name header))))
- (or field
- (let ((field-body (mime-fetch-field field-name entity)))
- (when field-body
- (cond ((memq field-name '(From Resent-From
- To Resent-To
- Cc Resent-Cc
- Bcc Resent-Bcc
- Reply-To Resent-Reply-To))
- (setq field (std11-parse-addresses
- (eword-lexical-analyze field-body)))
- )
- ((memq field-name '(Sender Resent-Sender))
- (setq field (std11-parse-address
- (eword-lexical-analyze field-body)))
- )
- ((memq field-name eword-decode-ignored-field-list)
- (setq field field-body))
- ((memq field-name eword-decode-structured-field-list)
- (setq field (eword-decode-structured-field-body
- field-body)))
- (t
- (setq field (ew-decode-field (symbol-name field-name)
- field-body))
- ))
- (mime-entity-set-parsed-header-internal
- entity (put-alist field-name field header))
- field)))))))
-
-(mm-define-generic insert-decoded-header (entity &optional invisible-fields
- visible-fields)
- "Insert before point a decoded header of ENTITY.")
-
-
-;;; @ Entity Attributes
-;;;
-
-(defun mime-entity-uu-filename (entity)
- (if (member (mime-entity-encoding entity) mime-uuencode-encoding-name-list)
- (save-excursion
- (set-buffer (mime-entity-buffer entity))
- (goto-char (mime-entity-body-start entity))
- (if (re-search-forward "^begin [0-9]+ "
- (mime-entity-body-end entity) t)
- (if (looking-at ".+$")
- (buffer-substring (match-beginning 0)(match-end 0))
- )))))
-
-(defun mime-entity-filename (entity)
- "Return filename of ENTITY."
- (or (mime-entity-uu-filename entity)
- (mime-content-disposition-filename
- (mime-entity-content-disposition entity))
- (cdr (let ((param (mime-content-type-parameters
- (mime-entity-content-type entity))))
- (or (assoc "name" param)
- (assoc "x-name" param))
- ))))
-
-
-(defsubst mime-entity-media-type (entity)
- (mime-content-type-primary-type (mime-entity-content-type entity)))
-(defsubst mime-entity-media-subtype (entity)
- (mime-content-type-subtype (mime-entity-content-type entity)))
-(defsubst mime-entity-parameters (entity)
- (mime-content-type-parameters (mime-entity-content-type entity)))
-(defsubst mime-entity-type/subtype (entity-info)
- (mime-type/subtype-string (mime-entity-media-type entity-info)
- (mime-entity-media-subtype entity-info)))
-
-
-;;; @ Entity Content
-;;;
-
-(mm-define-generic entity-content (entity)
- "Return content of ENTITY as byte sequence (string).")
-
-(mm-define-generic write-entity-content (entity filename)
- "Write content of ENTITY into FILENAME.")
-
-(mm-define-generic write-entity (entity filename)
- "Write header and body of ENTITY into FILENAME.")
-
-(mm-define-generic write-entity-body (entity filename)
- "Write body of ENTITY into FILENAME.")
-
-
-;;; @ end
-;;;
-
-(provide 'mime)
-
-;;; mime.el ends here
projects / elisp / flim.git / blobdiff