(base64-encode-string): Fix doc string.

[elisp/flim.git] / mime-parse.el

diff --git a/mime-parse.el b/mime-parse.el
index 060cbce..5442896 100644 (file)
--- a/mime-parse.el
+++ b/mime-parse.el
@@ -24,10 +24,12 @@
 
 ;;; Code:
 
-(require 'std11)
 (require 'mime-def)
+(require 'std11)
 
-(eval-when-compile (require 'cl))
+(autoload 'mime-entity-body-buffer "mime")
+(autoload 'mime-entity-body-start-point "mime")
+(autoload 'mime-entity-body-end-point "mime")
 
 
 ;;; @ lexical analyzer
@@ -211,6 +213,129 @@ If is is not found, return DEFAULT-ENCODING."
                              '((specials . ">")))))))
 
 
+;;; @ message parser
+;;;
+
+(defun mime-parse-multipart (entity)
+  (with-current-buffer (mime-entity-body-buffer entity)
+    (let* ((representation-type
+           (mime-entity-representation-type-internal entity))
+          (content-type (mime-entity-content-type-internal entity))
+          (dash-boundary
+           (concat "--"
+                   (mime-content-type-parameter content-type "boundary")))
+          (delimiter       (concat "\n" (regexp-quote dash-boundary)))
+          (close-delimiter (concat delimiter "--[ \t]*$"))
+          (rsep (concat delimiter "[ \t]*\n"))
+          (dc-ctl
+           (if (eq (mime-content-type-subtype content-type) 'digest)
+               (make-mime-content-type 'message 'rfc822)
+             (make-mime-content-type 'text 'plain)
+             ))
+          (body-start (mime-entity-body-start-point entity))
+          (body-end (mime-entity-body-end-point entity)))
+      (save-restriction
+       (goto-char body-end)
+       (narrow-to-region body-start
+                         (if (re-search-backward close-delimiter nil t)
+                             (match-beginning 0)
+                           body-end))
+       (goto-char body-start)
+       (if (re-search-forward
+            (concat "^" (regexp-quote dash-boundary) "[ \t]*\n")
+            nil t)
+           (let ((cb (match-end 0))
+                 ce ncb ret children
+                 (node-id (mime-entity-node-id-internal entity))
+                 (i 0))
+             (while (re-search-forward rsep nil t)
+               (setq ce (match-beginning 0))
+               (setq ncb (match-end 0))
+               (save-restriction
+                 (narrow-to-region cb ce)
+                 (setq ret (mime-parse-message representation-type dc-ctl
+                                               entity (cons i node-id)))
+                 )
+               (setq children (cons ret children))
+               (goto-char (setq cb ncb))
+               (setq i (1+ i))
+               )
+             (setq ce (point-max))
+             (save-restriction
+               (narrow-to-region cb ce)
+               (setq ret (mime-parse-message representation-type dc-ctl
+                                             entity (cons i node-id)))
+               )
+             (setq children (cons ret children))
+             (mime-entity-set-children-internal entity (nreverse children))
+             )
+         (mime-entity-set-content-type-internal
+          entity (make-mime-content-type 'message 'x-broken))
+         nil)
+       ))))
+
+(defun mime-parse-encapsulated (entity)
+  (mime-entity-set-children-internal
+   entity
+   (with-current-buffer (mime-entity-body-buffer entity)
+     (save-restriction
+       (narrow-to-region (mime-entity-body-start-point entity)
+                        (mime-entity-body-end-point entity))
+       (list (mime-parse-message
+             (mime-entity-representation-type-internal entity) nil
+             entity (cons 0 (mime-entity-node-id-internal entity))))
+       ))))
+
+(defun mime-parse-message (representation-type &optional default-ctl 
+                                              parent node-id)
+  (let ((header-start (point-min))
+       header-end
+       body-start
+       (body-end (point-max))
+       content-type)
+    (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)
+      (setq content-type (or (let ((str (std11-fetch-field "Content-Type")))
+                              (if str
+                                  (mime-parse-Content-Type str)
+                                ))
+                            default-ctl))
+      )
+    (luna-make-entity representation-type
+                     :location (current-buffer)
+                     :content-type content-type
+                     :parent parent
+                     :node-id node-id
+                     :buffer (current-buffer)
+                     :header-start header-start
+                     :header-end header-end
+                     :body-start body-start
+                     :body-end body-end)
+    ))
+
+
+;;; @ for buffer
+;;;
+
+;;;###autoload
+(defun mime-parse-buffer (&optional buffer representation-type)
+  "Parse BUFFER as a MIME message.
+If buffer is omitted, it parses current-buffer."
+  (save-excursion
+    (if buffer (set-buffer buffer))
+    (setq mime-message-structure
+         (mime-parse-message (or representation-type
+                                 'mime-buffer-entity) nil))
+    ))
+
 
 ;;; @ end
 ;;;