X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=mime.el;h=005790e987f1505e8b57b3ffb8a5046a677fa1d9;hb=dbd1b2b3b21004b1232a0b99bac45c913b6c5e08;hp=ce2363160a63a417edb6d2928f39844628e66534;hpb=41fe6bdf8523a73c43e73612b5df85caa5622081;p=elisp%2Fflim.git

diff --git a/mime.el b/mime.el
index ce23631..005790e 100644
--- a/mime.el
+++ b/mime.el
@@ -1,8 +1,8 @@
 ;;; mime.el --- MIME library module
 
-;; Copyright (C) 1998,1999 Free Software Foundation, Inc.
+;; Copyright (C) 1998,1999,2000 Free Software Foundation, Inc.
 
-;; 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).
@@ -29,9 +29,11 @@
 (require 'mime-def)
 (require 'eword-decode)
 
+(eval-when-compile (require 'mmgeneric))
+
 (eval-and-compile
 
-(autoload 'eword-encode-header "eword-encode"
+(autoload 'mime-encode-header-in-buffer "eword-encode"
   "Encode header fields to network representation, such as MIME encoded-word.")
 
 (autoload 'mime-parse-Content-Type "mime-parse"
@@ -63,53 +65,25 @@ current-buffer, and return it.")
 
 )
 
-;;; @ Entity Representation and Implementation
-;;;
+(autoload 'mime-encode-field-body "eword-encode"
+  "Encode FIELD-BODY as FIELD-NAME, and return the result.")
 
-(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)))
+;;; @ Entity Representation and Implementation
+;;;
 
-(defsubst mime-entity-send (entity message &rest args)
-  "Send MESSAGE to ENTITY with ARGS, and return the result."
-  (apply (mime-find-function
-	  message (mime-entity-representation-type-internal entity))
-	 entity
-	 args))
-
-(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)
+(defmacro mime-entity-send (entity message &rest args)
+  `(luna-send ,entity ',(intern (format "mime-%s" (eval message))) ,@args))
 
 (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))
+  (require (intern (format "mm%s" type)))
+  (luna-make-entity (mm-expand-class-name type) :location location))
 
-(mm-define-generic entity-cooked-p (entity)
+(luna-define-generic mime-entity-cooked-p (entity)
   "Return non-nil if contents of ENTITY has been already code-converted.")
 
 
@@ -117,20 +91,20 @@ representation-type."
 ;;;
 
 (defun mime-entity-children (entity)
+  "Return list of entities included in the ENTITY."
   (or (mime-entity-children-internal entity)
-      (mime-entity-send entity 'entity-children)))
+      (luna-send entity 'mime-entity-children entity)))
 
-(defalias 'mime-entity-node-id 'mime-entity-node-id-internal)
+(defun mime-entity-node-id (entity)
+  "Return node-id of ENTITY."
+  (mime-entity-node-id-internal entity))
 
 (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))
+(defun mime-find-entity-from-number (entity-number message)
+  "Return entity from ENTITY-NUMBER in MESSAGE."
   (let ((sn (car entity-number)))
     (if (null sn)
 	message
@@ -140,17 +114,13 @@ If MESSAGE is not specified, `mime-message-structure' is used."
 	  ))
       )))
 
-(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."
+(defun mime-find-entity-from-node-id (entity-node-id message)
+  "Return entity from ENTITY-NODE-ID in MESSAGE."
   (mime-find-entity-from-number (reverse entity-node-id) message))
 
-(defun mime-find-entity-from-content-id (cid &optional message)
-  "Return entity from CID in MESSAGE.
-If MESSAGE is not specified, `mime-message-structure' is used."
-  (or message
-      (setq message mime-message-structure))
-  (if (equal cid (mime-read-field 'Content-Id message))
+(defun mime-find-entity-from-content-id (cid message)
+  "Return entity from CID in MESSAGE."
+  (if (equal cid (mime-entity-read-field message "Content-Id"))
       message
     (let ((children (mime-entity-children message))
 	  ret)
@@ -172,93 +142,156 @@ If MESSAGE is specified, it is regarded as root entity."
 If MESSAGE is specified, it is regarded as root entity."
   (null (mime-entity-parent entity message)))
 
+(defun mime-find-root-entity (entity)
+  "Return root entity of ENTITY."
+  (while (not (mime-root-entity-p entity))
+    (setq entity (mime-entity-parent entity)))
+  entity)
+
+
+;;; @ Header buffer (obsolete)
+;;;
+
+;; (luna-define-generic mime-entity-header-buffer (entity))
+
+;; (luna-define-generic mime-goto-header-start-point (entity)
+;;   "Set buffer and point to header-start-position of ENTITY.")
+
+;; (luna-define-generic mime-entity-header-start-point (entity)
+;;   "Return header-start-position of ENTITY.")
+
+;; (luna-define-generic mime-entity-header-end-point (entity)
+;;   "Return header-end-position of ENTITY.")
+
+;; (make-obsolete 'mime-entity-header-buffer "don't use it.")
+;; (make-obsolete 'mime-goto-header-start-point "don't use it.")
+;; (make-obsolete 'mime-entity-header-start-point "don't use it.")
+;; (make-obsolete 'mime-entity-header-end-point "don't use it.")
+
+
+;;; @ Body buffer (obsolete)
+;;;
+
+;; (luna-define-generic mime-entity-body-buffer (entity))
+
+;; (luna-define-generic mime-goto-body-start-point (entity)
+;;   "Set buffer and point to body-start-position of ENTITY.")
+
+;; (luna-define-generic mime-goto-body-end-point (entity)
+;;   "Set buffer and point to body-end-position of ENTITY.")
+
+;; (luna-define-generic mime-entity-body-start-point (entity)
+;;   "Return body-start-position of ENTITY.")
+
+;; (luna-define-generic mime-entity-body-end-point (entity)
+;;   "Return body-end-position of ENTITY.")
+
+;; (defalias 'mime-entity-body-start 'mime-entity-body-start-point)
+;; (defalias 'mime-entity-body-end 'mime-entity-body-end-point)
+
+;; (make-obsolete 'mime-entity-body-buffer "don't use it.")
+;; (make-obsolete 'mime-goto-body-start-point "don't use it.")
+;; (make-obsolete 'mime-goto-body-end-point "don't use it.")
+;; (make-obsolete 'mime-entity-body-start-point "don't use it.")
+;; (make-obsolete 'mime-entity-body-end-point "don't use it.")
+;; (make-obsolete 'mime-entity-body-start "don't use it.")
+;; (make-obsolete 'mime-entity-body-end "don't use it.")
+
+
+;;; @ Entity buffer (obsolete)
+;;;
+
+;; (luna-define-generic mime-entity-buffer (entity))
+;; (make-obsolete 'mime-entity-buffer "don't use it.")
+
+;; (luna-define-generic mime-entity-point-min (entity))
+;; (make-obsolete 'mime-entity-point-min "don't use it.")
+
+;; (luna-define-generic mime-entity-point-max (entity))
+;; (make-obsolete 'mime-entity-point-max "don't use it.")
+
+
+;;; @ Entity
+;;;
+
+(luna-define-generic mime-insert-entity (entity)
+  "Insert header and body of ENTITY at point.")
+
+(luna-define-generic mime-write-entity (entity filename)
+  "Write header and body of ENTITY into FILENAME.")
 
-;;; @ Entity Buffer
+
+;;; @ Entity Body
 ;;;
 
-(defun mime-entity-buffer (entity)
-  (or (mime-entity-buffer-internal entity)
-      (mime-entity-send entity 'entity-buffer)))
+(luna-define-generic mime-entity-body (entity)
+  "Return network representation of ENTITY body.")
 
-(mm-define-generic entity-point-min (entity)
-  "Return the start point of ENTITY in the buffer which contains ENTITY.")
+(luna-define-generic mime-insert-entity-body (entity)
+  "Insert network representation of ENTITY body at point.")
 
-(mm-define-generic entity-point-max (entity)
-  "Return the end point of ENTITY in the buffer which contains ENTITY.")
+(luna-define-generic mime-write-entity-body (entity filename)
+  "Write body of ENTITY into FILENAME.")
+
+
+;;; @ Entity Content
+;;;
 
-(defun mime-entity-header-start (entity)
-  (or (mime-entity-header-start-internal entity)
-      (mime-entity-send entity 'entity-header-start)))
+(luna-define-generic mime-entity-content (entity)
+  "Return content of ENTITY as byte sequence (string).")
 
-(defun mime-entity-header-end (entity)
-  (or (mime-entity-header-end-internal entity)
-      (mime-entity-send entity 'entity-header-end)))
+(luna-define-generic mime-insert-entity-content (entity)
+  "Insert content of ENTITY at point.")
 
-(defun mime-entity-body-start (entity)
-  (or (mime-entity-body-start-internal entity)
-      (mime-entity-send entity 'entity-body-start)))
+(luna-define-generic mime-write-entity-content (entity filename)
+  "Write content of ENTITY into FILENAME.")
 
-(defun mime-entity-body-end (entity)
-  (or (mime-entity-body-end-internal entity)
-      (mime-entity-send entity 'entity-body-end)))
+(luna-define-generic mime-insert-text-content (entity)
+  "Insert decoded text body of ENTITY.")
 
 
-;;; @ Entity Header
+;;; @ Header fields
 ;;;
 
-(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))
-  (cond ((eq field-name 'Date)
-	 (or (mime-entity-date-internal entity)
-	     (mime-entity-set-date-internal
-	      entity (mime-entity-send entity 'fetch-field "Date"))
-	     ))
-	((eq field-name 'Message-Id)
-	 (or (mime-entity-message-id-internal entity)
-	     (mime-entity-set-message-id-internal
-	      entity (mime-entity-send entity 'fetch-field "Message-Id"))
-	     ))
-	((eq field-name 'References)
-	 (or (mime-entity-references-internal entity)
-	     (mime-entity-set-references-internal
-	      entity (mime-entity-send entity 'fetch-field "References"))
-	     ))
-	(t
-	 (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))
-	   ))))
+(luna-define-generic mime-entity-fetch-field (entity field-name)
+  "Return the value of the ENTITY's header field whose type is FIELD-NAME.")
+
+;; (defun mime-fetch-field (field-name &optional entity)
+;;   "Return the value of the ENTITY's header field whose type is FIELD-NAME."
+;;   (if (symbolp field-name)
+;;       (setq field-name (symbol-name field-name))
+;;     )
+;;   (or entity
+;;       (setq entity mime-message-structure))
+;;   (mime-entity-fetch-field entity field-name)
+;;   )
+;; (make-obsolete 'mime-fetch-field 'mime-entity-fetch-field)
 
 (defun mime-entity-content-type (entity)
+  "Return content-type of ENTITY."
   (or (mime-entity-content-type-internal entity)
-      (let ((ret (mime-fetch-field 'Content-Type entity)))
+      (let ((ret (mime-entity-fetch-field entity "Content-Type")))
 	(if ret
 	    (mime-entity-set-content-type-internal
 	     entity (mime-parse-Content-Type ret))
 	  ))))
 
 (defun mime-entity-content-disposition (entity)
+  "Return content-disposition of ENTITY."
   (or (mime-entity-content-disposition-internal entity)
-      (let ((ret (mime-fetch-field 'Content-Disposition entity)))
+      (let ((ret (mime-entity-fetch-field entity "Content-Disposition")))
 	(if ret
 	    (mime-entity-set-content-disposition-internal
 	     entity (mime-parse-Content-Disposition ret))
 	  ))))
 
 (defun mime-entity-encoding (entity &optional default-encoding)
+  "Return content-transfer-encoding of ENTITY.
+If the ENTITY does not have Content-Transfer-Encoding field, this
+function returns DEFAULT-ENCODING.  If it is nil, \"7bit\" is used as
+default value."
   (or (mime-entity-encoding-internal entity)
-      (let ((ret (mime-fetch-field 'Content-Transfer-Encoding entity)))
+      (let ((ret (mime-entity-fetch-field entity "Content-Transfer-Encoding")))
 	(mime-entity-set-encoding-internal
 	 entity
 	 (or (and ret (mime-parse-Content-Transfer-Encoding ret))
@@ -294,58 +327,63 @@ If MESSAGE is specified, it is regarded as root entity."
     (Content-Id		. mime-parse-msg-id)
     ))
 
-(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))
-		     parser)
-		 (when field-body
-		   (setq parser
-			 (cdr (assq field-name mime-field-parser-alist)))
-		   (setq field
-			 (if parser
-			     (funcall parser
-				      (eword-lexical-analyze field-body))
-			   (mime-decode-field-body
-			    field-body field-name 'plain)
-			   ))
-		   (mime-entity-set-parsed-header-internal
-		    entity (put-alist field-name field header))
-		   field)))))))
-
-(mm-define-generic insert-header (entity &optional invisible-fields
-					 visible-fields)
+(defun mime-entity-read-field (entity field-name)
+  (let ((sym (if (symbolp field-name)
+		 (prog1
+		     field-name
+		   (setq field-name (symbol-name field-name)))
+	       (intern (capitalize field-name)))))
+    (cond ((eq sym 'Content-Type)
+	   (mime-entity-content-type entity)
+	   )
+	  ((eq sym 'Content-Disposition)
+	   (mime-entity-content-disposition entity)
+	   )
+	  ((eq sym 'Content-Transfer-Encoding)
+	   (mime-entity-encoding entity)
+	   )
+	  (t
+	   (let* ((header (mime-entity-parsed-header-internal entity))
+		  (field (cdr (assq sym header))))
+	     (or field
+		 (let ((field-body (mime-entity-fetch-field entity field-name))
+		       parser)
+		   (when field-body
+		     (setq parser
+			   (cdr (assq sym mime-field-parser-alist)))
+		     (setq field
+			   (if parser
+			       (funcall parser
+					(eword-lexical-analyze field-body))
+			     (mime-decode-field-body field-body sym 'plain)
+			     ))
+		     (mime-entity-set-parsed-header-internal
+		      entity (put-alist sym field header))
+		     field))))))))
+
+;; (defun mime-read-field (field-name &optional entity)
+;;   (or entity
+;;       (setq entity mime-message-structure))
+;;   (mime-entity-read-field entity field-name)
+;;   )
+;; (make-obsolete 'mime-read-field 'mime-entity-read-field)
+
+(luna-define-generic mime-insert-header (entity &optional invisible-fields
+						visible-fields)
   "Insert before point a decoded header of ENTITY.")
 
-(define-obsolete-function-alias
-  'mime-insert-decoded-header 'mime-insert-header)
-
 
 ;;; @ Entity Attributes
 ;;;
 
+(luna-define-generic mime-entity-name (entity)
+  "Return name of the ENTITY.")
+
 (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)
+      (with-temp-buffer
+	(mime-insert-entity-body entity)
+	(if (re-search-forward "^begin [0-9]+ " nil t)
 	    (if (looking-at ".+$")
 		(buffer-substring (match-beginning 0)(match-end 0))
 	      )))))
@@ -363,39 +401,29 @@ If MESSAGE is specified, it is regarded as root entity."
 
 
 (defsubst mime-entity-media-type (entity)
+  "Return primary media-type of ENTITY."
   (mime-content-type-primary-type (mime-entity-content-type entity)))
+
 (defsubst mime-entity-media-subtype (entity)
+  "Return media-subtype of ENTITY."
   (mime-content-type-subtype (mime-entity-content-type entity)))
+
 (defsubst mime-entity-parameters (entity)
+  "Return parameters of Content-Type of ENTITY."
   (mime-content-type-parameters (mime-entity-content-type entity)))
+
 (defsubst mime-entity-type/subtype (entity-info)
+  "Return type/subtype of Content-Type of ENTITY."
   (mime-type/subtype-string (mime-entity-media-type entity-info)
 			    (mime-entity-media-subtype entity-info)))
 
+(defun mime-entity-set-content-type (entity content-type)
+  "Set ENTITY's content-type to CONTENT-TYPE."
+  (mime-entity-set-content-type-internal entity content-type))
 
-;;; @ Entity Content
-;;;
-
-(mm-define-generic entity-content (entity)
-  "Return content of ENTITY as byte sequence (string).")
-
-(mm-define-generic insert-entity-content (entity)
-  "Insert content of ENTITY at point.")
-
-(mm-define-generic write-entity-content (entity filename)
-  "Write content of ENTITY into FILENAME.")
-
-(mm-define-generic insert-text-content (entity)
-  "Insert decoded text body of ENTITY.")
-
-(mm-define-generic insert-entity (entity)
-  "Insert header and body of ENTITY at point.")
-
-(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.")
+(defun mime-entity-set-encoding (entity encoding)
+  "Set ENTITY's content-transfer-encoding to ENCODING."
+  (mime-entity-set-encoding-internal entity encoding))
 
 
 ;;; @ end