From a2b5a8eb700afc58db46e3cd58129d85a9059bf4 Mon Sep 17 00:00:00 2001
From: morioka <morioka>
Date: Sun, 21 Jun 1998 22:21:49 +0000
Subject: [PATCH] New module (renamed from mime-lib.el).

---
 mime.el |  146 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 mime.el

diff --git a/mime.el b/mime.el
new file mode 100644
index 0000000..84872ff
--- /dev/null
+++ b/mime.el
@@ -0,0 +1,146 @@
+;;; 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-message "mime-parse"
+  "Parse current-buffer as a MIME message.")
+
+(autoload 'mime-parse-buffer "mime-parse"
+  "Parse BUFFER as a MIME message.")
+
+
+;;; @ MIME entity
+;;;
+
+(defun mime-entity-fetch-field (entity field-name)
+  (or (symbolp field-name)
+      (setq field-name (intern (capitalize (capitalize field-name)))))
+  (let* ((header (mime-entity-original-header entity))
+	 (field-body (cdr (assq field-name header))))
+    (or field-body
+	(progn
+	  (if (save-excursion
+		(set-buffer (mime-entity-buffer entity))
+		(save-restriction
+		  (narrow-to-region (mime-entity-header-start entity)
+				    (mime-entity-header-end entity))
+		  (setq field-body
+			(std11-fetch-field (symbol-name field-name)))
+		  ))
+	      (mime-entity-set-original-header
+	       entity (put-alist field-name field-body header))
+	    )
+	  field-body))))
+
+(defun mime-entity-read-field (entity field-name)
+  (or (symbolp field-name)
+      (setq field-name (capitalize (capitalize field-name))))
+  (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 entity))
+		(field (cdr (assq field-name header))))
+	   (or field
+	       (let ((field-body (mime-entity-fetch-field entity field-name)))
+		 (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)))
+			  )
+			 ((eq 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 (eword-decode-unstructured-field-body
+				       field-body))
+			  ))
+		   (mime-entity-set-parsed-header
+		    entity (put-alist field-name field header))
+		   field)))))))
+
+(defun mime-entity-content (entity)
+  (save-excursion
+    (set-buffer (mime-entity-buffer entity))
+    (mime-decode-string (buffer-substring (mime-entity-body-start entity)
+					  (mime-entity-body-end entity))
+			(mime-entity-encoding entity))))
+
+(defsubst mime-root-entity-p (entity)
+  "Return t if ENTITY is root-entity (message)."
+  (null (mime-entity-node-id entity)))
+
+
+;;; @ end
+;;;
+
+(provide 'mime)
+
+;;; mime.el ends here
-- 
1.7.10.4