(Authors): New section.
[elisp/semi.git] / mime-parse.el
index 6e4beff..ea75f65 100644 (file)
@@ -1,12 +1,11 @@
 ;;; mime-parse.el --- MIME message parser
 
-;; Copyright (C) 1994,1995,1996,1997 Free Software Foundation, Inc.
+;; Copyright (C) 1994,1995,1996,1997,1998 Free Software Foundation, Inc.
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: mime-parse.el,v 0.18 1997-09-05 08:10:44 morioka Exp $
 ;; Keywords: parse, MIME, multimedia, mail, news
 
-;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
+;; This file is part of SEMI (Spadework for Emacs MIME Interfaces).
 
 ;; This program is free software; you can redistribute it and/or
 ;; modify it under the terms of the GNU General Public License as
@@ -39,36 +38,6 @@ which are string or symbol."
                              )))
                     args "")))
 
-(defmacro define-structure (name &rest slots)
-  (let ((pred (symbol-concat name '-p)))
-    (cons 'progn
-         (nconc
-          (list
-           (` (defun (, pred) (obj)
-                (and (vectorp obj)
-                     (eq (elt obj 0) '(, name))
-                     ))
-              )
-           (` (defun (, (symbol-concat name '/create)) (, slots)
-                (, (cons 'vector (cons (list 'quote name) slots)))
-                )
-              ))
-          (let ((i 1))
-            (mapcar (function
-                     (lambda (slot)
-                       (prog1
-                           (` (defun (, (symbol-concat name '/ slot)) (obj)
-                                (if ((, pred) obj)
-                                    (elt obj (, i))
-                                  ))
-                              )
-                         (setq i (+ i 1))
-                         )
-                       )) slots)
-            )
-          (list (list 'quote name))
-          ))))
-
 
 ;;; @ field parser
 ;;;
@@ -76,6 +45,9 @@ which are string or symbol."
 (defsubst regexp-* (regexp)
   (concat regexp "*"))
 
+(defsubst regexp-or (&rest args)
+  (concat "\\(" (mapconcat (function identity) args "\\|") "\\)"))
+
 (defconst rfc822/quoted-pair-regexp "\\\\.")
 (defconst rfc822/qtext-regexp
   (concat "[^" (char-list-to-string std11-non-qtext-char-list) "]"))
@@ -186,27 +158,25 @@ and return parsed it. [mime-parse.el]"
 ;;; @ message parser
 ;;;
 
-(define-structure mime::content-info
-  rcnum point-min point-max type parameters encoding children)
-
-(defsubst make-mime-entity-info (rcnum
-                                point-min point-max
-                                media-type media-subtype
-                                parameters encoding children)
-  (let ((ctype (if media-type
-                  (if media-subtype
-                      (format "%s/%s" media-type media-subtype)
-                    (symbol-name media-type)))))
-    (mime::content-info/create rcnum point-min point-max
-                              ctype params encoding
-                              children)
-    ))
-
-(defsubst mime-entity-info-point-min (entity-info)
-  (mime::content-info/point-min entity-info))
-
-(defsubst mime-entity-info-point-max (entity-info)
-  (mime::content-info/point-max entity-info))
+(defsubst make-mime-entity (node-id
+                           point-min point-max
+                           media-type media-subtype parameters
+                           encoding children)
+  (vector node-id point-min point-max
+         media-type media-subtype parameters encoding children))
+
+(defsubst mime-entity-node-id (entity-info)       (aref entity-info 0))
+(defsubst mime-entity-point-min (entity-info)     (aref entity-info 1))
+(defsubst mime-entity-point-max (entity-info)     (aref entity-info 2))
+(defsubst mime-entity-media-type (entity-info)    (aref entity-info 3))
+(defsubst mime-entity-media-subtype (entity-info) (aref entity-info 4))
+(defsubst mime-entity-parameters (entity-info)    (aref entity-info 5))
+(defsubst mime-entity-encoding (entity-info)      (aref entity-info 6))
+(defsubst mime-entity-children (entity-info)      (aref entity-info 7))
+
+(defsubst mime-entity-type/subtype (entity-info)
+  (mime-type/subtype-string (mime-entity-media-type entity-info)
+                           (mime-entity-media-subtype entity-info)))
 
 (defun mime-parse-multipart (boundary primtype subtype params encoding rcnum)
   (goto-char (point-min))
@@ -240,7 +210,7 @@ and return parsed it. [mime-parse.el]"
          (setq ret (mime-parse-message dc-ctl "7bit" (cons i rcnum)))
          )
        (setq children (cons ret children))
-       (goto-char (mime-entity-info-point-max ret))
+       (goto-char (mime-entity-point-max ret))
        (goto-char (setq cb ncb))
        (setq i (1+ i))
        )
@@ -251,9 +221,9 @@ and return parsed it. [mime-parse.el]"
        )
       (setq children (cons ret children))
       )
-    (make-mime-entity-info rcnum beg (point-max)
-                          primtype subtype params encoding
-                          (nreverse children))
+    (make-mime-entity rcnum beg (point-max)
+                     primtype subtype params encoding
+                     (nreverse children))
     ))
 
 (defun mime-parse-message (&optional default-ctl default-encoding rcnum)
@@ -278,28 +248,35 @@ mime-{parse|read}-Content-Type."
                  (memq subtype '(rfc822 news))
                  )
             (goto-char (point-min))
-            (make-mime-entity-info rcnum
-                                   (point-min) (point-max)
-                                   primtype subtype params encoding
-                                   (save-restriction
-                                     (narrow-to-region
-                                      (if (re-search-forward "^$" nil t)
-                                          (1+ (match-end 0))
-                                        (point-min)
-                                        )
-                                      (point-max))
-                                     (list (mime-parse-message
-                                            nil nil (cons 0 rcnum)))
-                                     ))
+            (make-mime-entity rcnum (point-min) (point-max)
+                              primtype subtype params encoding
+                              (save-restriction
+                                (narrow-to-region
+                                 (if (re-search-forward "^$" nil t)
+                                     (1+ (match-end 0))
+                                   (point-min)
+                                   )
+                                 (point-max))
+                                (list (mime-parse-message
+                                       nil nil (cons 0 rcnum)))
+                                ))
             )
            (t 
-            (make-mime-entity-info rcnum (point-min) (point-max)
-                                   primtype subtype params encoding
-                                   nil)
+            (make-mime-entity rcnum (point-min) (point-max)
+                              primtype subtype params encoding
+                              nil)
             ))
       )))
 
 
+;;; @ utilities
+;;;
+
+(defsubst mime-root-entity-p (entity)
+  "Return t if ENTITY is root-entity (message)."
+  (null (mime-entity-node-id entity)))
+
+
 ;;; @ end
 ;;;