--- /dev/null
+;;; mmgeneric.el --- MIME generic entity module
+
+;; Copyright (C) 1995,96,97,98,99,2000 Free Software Foundation, Inc.
+
+;; Author: MORIOKA Tomohiko <tomo@m17n.org>
+;; Keywords: definition, 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 'luna)
+
+
+;;; @ MIME entity
+;;;
+
+(autoload 'mime-entity-content-type "mime")
+(autoload 'mime-parse-multipart "mime-parse")
+(autoload 'mime-parse-message "mime-parse")
+;; (autoload 'mime-parse-encapsulated "mime-parse")
+;; (autoload 'mime-parse-external "mime-parse")
+(autoload 'mime-entity-content "mime")
+
+(eval-and-compile
+ (luna-define-class mime-entity ()
+ (location
+ content-type children parent
+ node-id
+ content-disposition encoding
+ ;; for other fields
+ original-header parsed-header))
+
+ (luna-define-internal-accessors 'mime-entity)
+ )
+
+(defalias 'mime-entity-representation-type-internal 'luna-class-name)
+(defalias 'mime-entity-set-representation-type-internal 'luna-set-class-name)
+
+(luna-define-method mime-entity-fetch-field ((entity mime-entity)
+ field-name)
+ (or (symbolp field-name)
+ (setq field-name (intern (capitalize (capitalize field-name)))))
+ (cdr (assq field-name
+ (mime-entity-original-header-internal entity))))
+
+(luna-define-method mime-insert-text-content ((entity mime-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)
+ ))
+
+
+;;; @ for mm-backend
+;;;
+
+(defmacro mm-expand-class-name (type)
+ `(intern (format "mime-%s-entity" ,type)))
+
+(defmacro mm-define-backend (type &optional parents)
+ `(luna-define-class ,(mm-expand-class-name type)
+ ,(nconc (mapcar (lambda (parent)
+ (mm-expand-class-name parent)
+ )
+ parents)
+ '(mime-entity))))
+
+(defmacro mm-define-method (name args &rest body)
+ (or (eq name 'initialize-instance)
+ (setq name (intern (format "mime-%s" name))))
+ (let ((spec (car args)))
+ (setq args
+ (cons (list (car spec)
+ (mm-expand-class-name (nth 1 spec)))
+ (cdr args)))
+ `(luna-define-method ,name ,args ,@body)
+ ))
+
+(put 'mm-define-method 'lisp-indent-function 'defun)
+
+(def-edebug-spec mm-define-method
+ (&define name ((arg symbolp)
+ [&rest arg]
+ [&optional ["&optional" arg &rest arg]]
+ &optional ["&rest" arg]
+ )
+ def-body))
+
+
+;;; @ header filter
+;;;
+
+;; [tomo] We should think about specification of better filtering
+;; mechanism. Please discuss in the emacs-mime mailing lists.
+
+(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")
+ )))))))
+
+
+;;; @ end
+;;;
+
+(provide 'mmgeneric)
+
+;;; mmgeneric.el ends here
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