(initialize-instance): New method; abolish `open'.

(entity-children): New method.

diff --git a/mmbuffer.el b/mmbuffer.el
index c5c3fa8..448d88e 100644 (file)
--- a/mmbuffer.el
+++ b/mmbuffer.el
@@ -25,11 +25,42 @@
 ;;; Code:
 
 (require 'mime)
+(require 'mime-parse)
 
 (mm-define-backend buffer)
 
-(mm-define-method open ((nil buffer) location)
-  (mime-parse-buffer location))
+(mm-define-method initialize-instance ((entity buffer))
+  (mime-entity-set-buffer-internal
+   entity (mime-entity-location-internal entity))
+  (save-excursion
+    (set-buffer (mime-entity-buffer-internal entity))
+    (setq mime-message-structure entity)
+    (let ((header-start (point-min))
+         header-end
+         body-start
+         (body-end (point-max)))
+      (goto-char header-start)
+      (if (re-search-forward "^$" nil t)
+         (setq header-end (match-end 0)
+               body-start (if (= header-end body-end)
+                              body-end
+                            (1+ header-end)))
+       (setq header-end (point-min)
+             body-start (point-min)))
+      (save-restriction
+       (narrow-to-region header-start header-end)
+       (mime-entity-set-content-type-internal
+        entity
+        (let ((str (std11-fetch-field "Content-Type")))
+          (if str
+              (mime-parse-Content-Type str)
+            )))
+       )
+      (mime-entity-set-header-start-internal entity header-start)
+      (mime-entity-set-header-end-internal entity header-end)
+      (mime-entity-set-body-start-internal entity body-start)
+      (mime-entity-set-body-end-internal entity body-end)
+      )))
 
 (mm-define-method entity-point-min ((entity buffer))
   (mime-entity-header-start-internal entity))
@@ -48,6 +79,22 @@
 
 (mm-define-method entity-cooked-p ((entity buffer)) nil)
 
+(mm-define-method entity-children ((entity buffer))
+  (let* ((content-type (mime-entity-content-type entity))
+        (primary-type (mime-content-type-primary-type content-type)))
+    (cond ((eq primary-type 'multipart)
+          (mime-parse-multipart entity)
+          (mime-entity-children-internal entity)
+          )
+         ((and (eq primary-type 'message)
+               (memq (mime-content-type-subtype content-type)
+                     '(rfc822 news external-body)
+                     ))
+          (mime-parse-encapsulated entity)
+          (mime-entity-children-internal entity)
+          )
+         )))
+
 (mm-define-method entity-content ((entity buffer))
   (save-excursion
     (set-buffer (mime-entity-buffer-internal entity))