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c113de23 | 1 | ;;; mm-partial.el --- showing message/partial |
e84b4b86 TTN |
2 | |
3 | ;; Copyright (C) 2000, 2001, 2002, 2003, 2004, | |
e3fe4da0 | 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
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5 | |
6 | ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu> | |
7 | ;; Keywords: message partial | |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
12 | ;; it under the terms of the GNU General Public License as published | |
5a9dffec | 13 | ;; by the Free Software Foundation; either version 3, or (at your |
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14 | ;; option) any later version. |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, but | |
17 | ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
19 | ;; General Public License for more details. | |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
3a35cf56 LK |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | ;; Boston, MA 02110-1301, USA. | |
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25 | |
26 | ;;; Commentary: | |
27 | ||
28 | ;;; Code: | |
29 | ||
23f87bed | 30 | (eval-when-compile (require 'cl)) |
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31 | |
32 | (require 'gnus-sum) | |
33 | (require 'mm-util) | |
34 | (require 'mm-decode) | |
35 | ||
36 | (defun mm-partial-find-parts (id &optional art) | |
01c52d31 | 37 | (let ((headers (with-current-buffer gnus-summary-buffer |
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38 | gnus-newsgroup-headers)) |
39 | phandles header) | |
40 | (while (setq header (pop headers)) | |
41 | (unless (eq (aref header 0) art) | |
42 | (mm-with-unibyte-buffer | |
a1506d29 | 43 | (gnus-request-article-this-buffer (aref header 0) |
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44 | gnus-newsgroup-name) |
45 | (when (search-forward id nil t) | |
23f87bed MB |
46 | (let ((nhandles (mm-dissect-buffer |
47 | nil gnus-article-loose-mime)) nid) | |
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48 | (if (consp (car nhandles)) |
49 | (mm-destroy-parts nhandles) | |
a1506d29 | 50 | (setq nid (cdr (assq 'id |
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51 | (cdr (mm-handle-type nhandles))))) |
52 | (if (not (equal id nid)) | |
53 | (mm-destroy-parts nhandles) | |
54 | (push nhandles phandles)))))))) | |
55 | phandles)) | |
56 | ||
57 | ;;;###autoload | |
58 | (defun mm-inline-partial (handle &optional no-display) | |
59 | "Show the partial part of HANDLE. | |
a1506d29 | 60 | This function replaces the buffer of HANDLE with a buffer contains |
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61 | the entire message. |
62 | If NO-DISPLAY is nil, display it. Otherwise, do nothing after replacing." | |
a1506d29 | 63 | (let ((id (cdr (assq 'id (cdr (mm-handle-type handle))))) |
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64 | phandles |
65 | (b (point)) (n 1) total | |
66 | phandle nn ntotal | |
67 | gnus-displaying-mime handles buffer) | |
68 | (unless (mm-handle-cache handle) | |
69 | (unless id | |
715a2ca2 | 70 | (error "Can not find message/partial id")) |
c113de23 | 71 | (setq phandles |
a1506d29 | 72 | (sort (cons handle |
c113de23 | 73 | (mm-partial-find-parts |
a1506d29 | 74 | id |
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75 | (save-excursion |
76 | (set-buffer gnus-summary-buffer) | |
77 | (gnus-summary-article-number)))) | |
78 | #'(lambda (a b) | |
a1506d29 JB |
79 | (let ((anumber (string-to-number |
80 | (cdr (assq 'number | |
c113de23 | 81 | (cdr (mm-handle-type a)))))) |
a1506d29 JB |
82 | (bnumber (string-to-number |
83 | (cdr (assq 'number | |
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84 | (cdr (mm-handle-type b))))))) |
85 | (< anumber bnumber))))) | |
86 | (setq gnus-article-mime-handles | |
23f87bed | 87 | (mm-merge-handles gnus-article-mime-handles phandles)) |
c113de23 | 88 | (save-excursion |
5859a75c | 89 | (set-buffer (generate-new-buffer " *mm*")) |
c113de23 | 90 | (while (setq phandle (pop phandles)) |
a1506d29 JB |
91 | (setq nn (string-to-number |
92 | (cdr (assq 'number | |
c113de23 | 93 | (cdr (mm-handle-type phandle)))))) |
a1506d29 JB |
94 | (setq ntotal (string-to-number |
95 | (cdr (assq 'total | |
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96 | (cdr (mm-handle-type phandle)))))) |
97 | (if ntotal | |
98 | (if total | |
a1506d29 | 99 | (unless (eq total ntotal) |
715a2ca2 | 100 | (error "The numbers of total are different")) |
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101 | (setq total ntotal))) |
102 | (unless (< nn n) | |
103 | (unless (eq nn n) | |
104 | (error "Missing part %d" n)) | |
105 | (mm-insert-part phandle) | |
106 | (goto-char (point-max)) | |
107 | (when (not (eq 0 (skip-chars-backward "\r\n"))) | |
108 | ;; remove tail blank spaces except one | |
109 | (if (looking-at "\r?\n") | |
110 | (goto-char (match-end 0))) | |
111 | (delete-region (point) (point-max))) | |
112 | (setq n (+ n 1)))) | |
113 | (unless total | |
114 | (error "Don't known the total number of")) | |
115 | (if (<= n total) | |
116 | (error "Missing part %d" n)) | |
117 | (kill-buffer (mm-handle-buffer handle)) | |
23f87bed MB |
118 | (goto-char (point-min)) |
119 | (let ((point (if (search-forward "\n\n" nil t) | |
120 | (1- (point)) | |
121 | (point-max)))) | |
122 | (goto-char (point-min)) | |
123 | (unless (re-search-forward "^mime-version:" point t) | |
124 | (insert "MIME-Version: 1.0\n"))) | |
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125 | (setcar handle (current-buffer)) |
126 | (mm-handle-set-cache handle t))) | |
127 | (unless no-display | |
128 | (save-excursion | |
129 | (save-restriction | |
130 | (narrow-to-region b b) | |
131 | (mm-insert-part handle) | |
132 | (let (gnus-article-mime-handles) | |
133 | (run-hooks 'gnus-article-decode-hook) | |
134 | (gnus-article-prepare-display) | |
135 | (setq handles gnus-article-mime-handles)) | |
136 | (when handles | |
137 | ;; It is in article buffer. | |
138 | (setq gnus-article-mime-handles | |
23f87bed | 139 | (mm-merge-handles gnus-article-mime-handles handles))) |
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140 | (mm-handle-set-undisplayer |
141 | handle | |
142 | `(lambda () | |
143 | (let (buffer-read-only) | |
144 | (condition-case nil | |
145 | ;; This is only valid on XEmacs. | |
146 | (mapcar (lambda (prop) | |
147 | (remove-specifier | |
148 | (face-property 'default prop) (current-buffer))) | |
149 | '(background background-pixmap foreground)) | |
150 | (error nil)) | |
151 | (delete-region ,(point-min-marker) ,(point-max-marker)))))))))) | |
152 | ||
23f87bed MB |
153 | (provide 'mm-partial) |
154 | ||
cbee283d | 155 | ;; arch-tag: 460e7424-05f2-4a1d-a0f2-70ec081eff7d |
715a2ca2 | 156 | ;;; mm-partial.el ends here |