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c113de23 | 1 | ;;; mm-partial.el --- showing message/partial |
23f87bed | 2 | ;; Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. |
c113de23 GM |
3 | |
4 | ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu> | |
5 | ;; Keywords: message partial | |
6 | ||
7 | ;; This file is part of GNU Emacs. | |
8 | ||
9 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
10 | ;; it under the terms of the GNU General Public License as published | |
11 | ;; by the Free Software Foundation; either version 2, or (at your | |
12 | ;; option) any later version. | |
13 | ||
14 | ;; GNU Emacs is distributed in the hope that it will be useful, but | |
15 | ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | ;; General Public License for more details. | |
18 | ||
19 | ;; You should have received a copy of the GNU General Public License | |
20 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
3a35cf56 LK |
21 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
22 | ;; Boston, MA 02110-1301, USA. | |
c113de23 GM |
23 | |
24 | ;;; Commentary: | |
25 | ||
26 | ;;; Code: | |
27 | ||
23f87bed | 28 | (eval-when-compile (require 'cl)) |
c113de23 GM |
29 | |
30 | (require 'gnus-sum) | |
31 | (require 'mm-util) | |
32 | (require 'mm-decode) | |
33 | ||
34 | (defun mm-partial-find-parts (id &optional art) | |
35 | (let ((headers (save-excursion | |
36 | (set-buffer gnus-summary-buffer) | |
37 | gnus-newsgroup-headers)) | |
38 | phandles header) | |
39 | (while (setq header (pop headers)) | |
40 | (unless (eq (aref header 0) art) | |
41 | (mm-with-unibyte-buffer | |
a1506d29 | 42 | (gnus-request-article-this-buffer (aref header 0) |
c113de23 GM |
43 | gnus-newsgroup-name) |
44 | (when (search-forward id nil t) | |
23f87bed MB |
45 | (let ((nhandles (mm-dissect-buffer |
46 | nil gnus-article-loose-mime)) nid) | |
c113de23 GM |
47 | (if (consp (car nhandles)) |
48 | (mm-destroy-parts nhandles) | |
a1506d29 | 49 | (setq nid (cdr (assq 'id |
c113de23 GM |
50 | (cdr (mm-handle-type nhandles))))) |
51 | (if (not (equal id nid)) | |
52 | (mm-destroy-parts nhandles) | |
53 | (push nhandles phandles)))))))) | |
54 | phandles)) | |
55 | ||
56 | ;;;###autoload | |
57 | (defun mm-inline-partial (handle &optional no-display) | |
58 | "Show the partial part of HANDLE. | |
a1506d29 | 59 | This function replaces the buffer of HANDLE with a buffer contains |
c113de23 GM |
60 | the entire message. |
61 | If NO-DISPLAY is nil, display it. Otherwise, do nothing after replacing." | |
a1506d29 | 62 | (let ((id (cdr (assq 'id (cdr (mm-handle-type handle))))) |
c113de23 GM |
63 | phandles |
64 | (b (point)) (n 1) total | |
65 | phandle nn ntotal | |
66 | gnus-displaying-mime handles buffer) | |
67 | (unless (mm-handle-cache handle) | |
68 | (unless id | |
715a2ca2 | 69 | (error "Can not find message/partial id")) |
c113de23 | 70 | (setq phandles |
a1506d29 | 71 | (sort (cons handle |
c113de23 | 72 | (mm-partial-find-parts |
a1506d29 | 73 | id |
c113de23 GM |
74 | (save-excursion |
75 | (set-buffer gnus-summary-buffer) | |
76 | (gnus-summary-article-number)))) | |
77 | #'(lambda (a b) | |
a1506d29 JB |
78 | (let ((anumber (string-to-number |
79 | (cdr (assq 'number | |
c113de23 | 80 | (cdr (mm-handle-type a)))))) |
a1506d29 JB |
81 | (bnumber (string-to-number |
82 | (cdr (assq 'number | |
c113de23 GM |
83 | (cdr (mm-handle-type b))))))) |
84 | (< anumber bnumber))))) | |
85 | (setq gnus-article-mime-handles | |
23f87bed | 86 | (mm-merge-handles gnus-article-mime-handles phandles)) |
c113de23 | 87 | (save-excursion |
5859a75c | 88 | (set-buffer (generate-new-buffer " *mm*")) |
c113de23 | 89 | (while (setq phandle (pop phandles)) |
a1506d29 JB |
90 | (setq nn (string-to-number |
91 | (cdr (assq 'number | |
c113de23 | 92 | (cdr (mm-handle-type phandle)))))) |
a1506d29 JB |
93 | (setq ntotal (string-to-number |
94 | (cdr (assq 'total | |
c113de23 GM |
95 | (cdr (mm-handle-type phandle)))))) |
96 | (if ntotal | |
97 | (if total | |
a1506d29 | 98 | (unless (eq total ntotal) |
715a2ca2 | 99 | (error "The numbers of total are different")) |
c113de23 GM |
100 | (setq total ntotal))) |
101 | (unless (< nn n) | |
102 | (unless (eq nn n) | |
103 | (error "Missing part %d" n)) | |
104 | (mm-insert-part phandle) | |
105 | (goto-char (point-max)) | |
106 | (when (not (eq 0 (skip-chars-backward "\r\n"))) | |
107 | ;; remove tail blank spaces except one | |
108 | (if (looking-at "\r?\n") | |
109 | (goto-char (match-end 0))) | |
110 | (delete-region (point) (point-max))) | |
111 | (setq n (+ n 1)))) | |
112 | (unless total | |
113 | (error "Don't known the total number of")) | |
114 | (if (<= n total) | |
115 | (error "Missing part %d" n)) | |
116 | (kill-buffer (mm-handle-buffer handle)) | |
23f87bed MB |
117 | (goto-char (point-min)) |
118 | (let ((point (if (search-forward "\n\n" nil t) | |
119 | (1- (point)) | |
120 | (point-max)))) | |
121 | (goto-char (point-min)) | |
122 | (unless (re-search-forward "^mime-version:" point t) | |
123 | (insert "MIME-Version: 1.0\n"))) | |
c113de23 GM |
124 | (setcar handle (current-buffer)) |
125 | (mm-handle-set-cache handle t))) | |
126 | (unless no-display | |
127 | (save-excursion | |
128 | (save-restriction | |
129 | (narrow-to-region b b) | |
130 | (mm-insert-part handle) | |
131 | (let (gnus-article-mime-handles) | |
132 | (run-hooks 'gnus-article-decode-hook) | |
133 | (gnus-article-prepare-display) | |
134 | (setq handles gnus-article-mime-handles)) | |
135 | (when handles | |
136 | ;; It is in article buffer. | |
137 | (setq gnus-article-mime-handles | |
23f87bed | 138 | (mm-merge-handles gnus-article-mime-handles handles))) |
c113de23 GM |
139 | (mm-handle-set-undisplayer |
140 | handle | |
141 | `(lambda () | |
142 | (let (buffer-read-only) | |
143 | (condition-case nil | |
144 | ;; This is only valid on XEmacs. | |
145 | (mapcar (lambda (prop) | |
146 | (remove-specifier | |
147 | (face-property 'default prop) (current-buffer))) | |
148 | '(background background-pixmap foreground)) | |
149 | (error nil)) | |
150 | (delete-region ,(point-min-marker) ,(point-max-marker)))))))))) | |
151 | ||
23f87bed MB |
152 | (provide 'mm-partial) |
153 | ||
ab5796a9 | 154 | ;;; arch-tag: 460e7424-05f2-4a1d-a0f2-70ec081eff7d |
715a2ca2 | 155 | ;;; mm-partial.el ends here |