*** empty log message ***

1 files changed, 152 insertions, 0 deletions

diff --git a/lisp/gnus/mm-partial.el b/lisp/gnus/mm-partial.el
new file mode 100644
index 00000000000..27189c937d3
--- /dev/null
+++ b/lisp/gnus/mm-partial.el
@@ -0,0 +1,152 @@
+;;; mm-partial.el --- showing message/partial
+;; Copyright (C) 2000 Free Software Foundation, Inc.
+
+;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
+;; Keywords: message partial
+
+;; This file is part of GNU Emacs.
+
+;; GNU Emacs 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.
+
+;; GNU Emacs 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.
+
+;;; Commentary:
+
+;;; Code:
+
+(eval-when-compile 
+  (require 'cl))
+
+(require 'gnus-sum)
+(require 'mm-util)
+(require 'mm-decode)
+
+(defun mm-partial-find-parts (id &optional art)
+  (let ((headers (save-excursion
+		   (set-buffer gnus-summary-buffer)
+		   gnus-newsgroup-headers))
+	phandles header)
+    (while (setq header (pop headers))
+      (unless (eq (aref header 0) art)
+	(mm-with-unibyte-buffer
+	  (gnus-request-article-this-buffer (aref header 0) 
+					    gnus-newsgroup-name)
+	  (when (search-forward id nil t)
+	    (let ((nhandles (mm-dissect-buffer)) nid)
+	      (if (consp (car nhandles))
+		  (mm-destroy-parts nhandles)
+		(setq nid (cdr (assq 'id 
+				     (cdr (mm-handle-type nhandles)))))
+		(if (not (equal id nid))
+		    (mm-destroy-parts nhandles)
+		  (push nhandles phandles))))))))
+    phandles))
+
+;;;###autoload
+(defun mm-inline-partial (handle &optional no-display)
+  "Show the partial part of HANDLE.
+This function replaces the buffer of HANDLE with a buffer contains 
+the entire message.
+If NO-DISPLAY is nil, display it. Otherwise, do nothing after replacing."
+  (let ((id (cdr (assq 'id (cdr (mm-handle-type handle))))) 
+	phandles
+	(b (point)) (n 1) total
+	phandle nn ntotal
+	gnus-displaying-mime handles buffer)
+    (unless (mm-handle-cache handle)
+      (unless id
+	(error "Can not find message/partial id."))
+      (setq phandles
+	    (sort (cons handle 
+			(mm-partial-find-parts
+			 id 
+			 (save-excursion
+			   (set-buffer gnus-summary-buffer)
+			   (gnus-summary-article-number))))
+		  #'(lambda (a b)
+		      (let ((anumber (string-to-number 
+				      (cdr (assq 'number 
+						 (cdr (mm-handle-type a))))))
+			    (bnumber (string-to-number 
+				      (cdr (assq 'number 
+						 (cdr (mm-handle-type b)))))))
+			(< anumber bnumber)))))
+      (setq gnus-article-mime-handles
+	    (append (if (listp (car gnus-article-mime-handles))
+			gnus-article-mime-handles
+		      (list gnus-article-mime-handles))
+		    phandles))
+      (save-excursion
+	(set-buffer (generate-new-buffer "*mm*"))
+	(while (setq phandle (pop phandles))
+	  (setq nn (string-to-number 
+		    (cdr (assq 'number 
+			       (cdr (mm-handle-type phandle))))))
+	  (setq ntotal (string-to-number 
+			(cdr (assq 'total 
+				   (cdr (mm-handle-type phandle))))))
+	  (if ntotal
+	      (if total
+		  (unless (eq total ntotal) 
+		  (error "The numbers of total are different."))
+		(setq total ntotal)))
+	  (unless (< nn n)
+	    (unless (eq nn n)
+	      (error "Missing part %d" n))
+	    (mm-insert-part phandle)
+	    (goto-char (point-max))
+	    (when (not (eq 0 (skip-chars-backward "\r\n")))
+	      ;; remove tail blank spaces except one
+	      (if (looking-at "\r?\n")
+		  (goto-char (match-end 0)))
+	      (delete-region (point) (point-max)))
+	    (setq n (+ n 1))))
+	(unless total
+	  (error "Don't known the total number of"))
+	(if (<= n total)
+	    (error "Missing part %d" n))
+	(kill-buffer (mm-handle-buffer handle))
+	(setcar handle (current-buffer))
+	(mm-handle-set-cache handle t)))
+    (unless no-display
+      (save-excursion
+	(save-restriction
+	  (narrow-to-region b b)
+	  (mm-insert-part handle)
+	  (let (gnus-article-mime-handles)
+	    (run-hooks 'gnus-article-decode-hook)
+	    (gnus-article-prepare-display)
+	    (setq handles gnus-article-mime-handles))
+	  (when handles
+	    ;; It is in article buffer.
+	    (setq gnus-article-mime-handles
+		  (nconc (if (listp (car gnus-article-mime-handles))
+			   gnus-article-mime-handles
+			   (list gnus-article-mime-handles))
+			 (if (listp (car handles)) 
+			     handles (list handles)))))
+	  (mm-handle-set-undisplayer
+	   handle
+	   `(lambda ()
+	      (let (buffer-read-only)
+		(condition-case nil
+		    ;; This is only valid on XEmacs.
+		    (mapcar (lambda (prop)
+			    (remove-specifier
+			     (face-property 'default prop) (current-buffer)))
+			    '(background background-pixmap foreground))
+		  (error nil))
+		(delete-region ,(point-min-marker) ,(point-max-marker))))))))))
+
+;; mm-partial.el ends here