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e57a1038 | 1 | ;;; log-view.el --- Major mode for browsing RCS/CVS/SCCS log output |
5b467bf4 | 2 | |
9be92b96 | 3 | ;; Copyright (C) 1999, 2000, 2001, 2005 Free Software Foundation, Inc. |
5b467bf4 SM |
4 | |
5 | ;; Author: Stefan Monnier <monnier@cs.yale.edu> | |
e57a1038 | 6 | ;; Keywords: rcs sccs cvs log version-control |
5b467bf4 SM |
7 | |
8 | ;; This file is part of GNU Emacs. | |
9 | ||
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify | |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
14 | ||
15 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
24 | ||
25 | ;;; Commentary: | |
26 | ||
27 | ;; Todo: | |
28 | ||
5b467bf4 SM |
29 | ;; - add compatibility with cvs-log.el |
30 | ;; - add ability to modify a log-entry (via cvs-mode-admin ;-) | |
e57a1038 | 31 | ;; - remove references to cvs-* |
5b467bf4 SM |
32 | |
33 | ;;; Code: | |
34 | ||
35 | (eval-when-compile (require 'cl)) | |
5b467bf4 | 36 | (require 'pcvs-util) |
99cb8c8b | 37 | (autoload 'vc-version-diff "vc") |
5b467bf4 SM |
38 | |
39 | (defgroup log-view nil | |
e57a1038 | 40 | "Major mode for browsing log output of RCS/CVS/SCCS." |
5b467bf4 SM |
41 | :group 'pcl-cvs |
42 | :prefix "log-view-") | |
43 | ||
44 | (easy-mmode-defmap log-view-mode-map | |
99cb8c8b SS |
45 | '(("q" . quit-window) |
46 | ("z" . kill-this-buffer) | |
47 | ("m" . set-mark-command) | |
2a673b03 | 48 | ;; ("e" . cvs-mode-edit-log) |
99cb8c8b | 49 | ("d" . log-view-diff) |
c0313667 | 50 | ("f" . log-view-find-version) |
99cb8c8b | 51 | ("n" . log-view-msg-next) |
cdbb990f SM |
52 | ("p" . log-view-msg-prev) |
53 | ("N" . log-view-file-next) | |
54 | ("P" . log-view-file-prev) | |
e2c2a3e2 KG |
55 | ("\M-n" . log-view-file-next) |
56 | ("\M-p" . log-view-file-prev)) | |
5b467bf4 SM |
57 | "Log-View's keymap." |
58 | :group 'log-view | |
e57a1038 SM |
59 | ;; Here I really need either buffer-local keymap-inheritance |
60 | ;; or a minor-mode-map with lower precedence than the local map. | |
61 | :inherit (if (boundp 'cvs-mode-map) cvs-mode-map)) | |
5b467bf4 SM |
62 | |
63 | (defvar log-view-mode-hook nil | |
64 | "Hook run at the end of `log-view-mode'.") | |
65 | ||
d842de85 | 66 | (defface log-view-file |
5b467bf4 | 67 | '((((class color) (background light)) |
1fd714a4 RS |
68 | (:background "grey70" :weight bold)) |
69 | (t (:weight bold))) | |
5b467bf4 SM |
70 | "Face for the file header line in `log-view-mode'." |
71 | :group 'log-view) | |
d842de85 MB |
72 | ;; backward-compatibility alias |
73 | (put 'log-view-file-face 'face-alias 'log-view-file) | |
74 | (defvar log-view-file-face 'log-view-file) | |
5b467bf4 | 75 | |
d842de85 | 76 | (defface log-view-message |
5b467bf4 SM |
77 | '((((class color) (background light)) |
78 | (:background "grey85")) | |
1fd714a4 | 79 | (t (:weight bold))) |
5b467bf4 SM |
80 | "Face for the message header line in `log-view-mode'." |
81 | :group 'log-view) | |
d842de85 MB |
82 | ;; backward-compatibility alias |
83 | (put 'log-view-message-face 'face-alias 'log-view-message) | |
84 | (defvar log-view-message-face 'log-view-message) | |
5b467bf4 SM |
85 | |
86 | (defconst log-view-file-re | |
87 | (concat "^\\(" | |
88 | "Working file: \\(.+\\)" | |
89 | "\\|SCCS/s\\.\\(.+\\):" | |
90 | "\\)\n")) | |
2a673b03 | 91 | ;; In RCS, a locked revision will look like "revision N.M\tlocked by: FOO". |
9be92b96 | 92 | (defconst log-view-message-re "^\\(revision \\([.0-9]+\\)\\(?:\t.*\\)?\\|r\\([0-9]+\\) | .* | .*\\|D \\([.0-9]+\\) .*\\)$") |
5b467bf4 SM |
93 | |
94 | (defconst log-view-font-lock-keywords | |
95 | `((,log-view-file-re | |
e57a1038 SM |
96 | (2 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t) |
97 | (3 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t) | |
98 | (0 log-view-file-face append)) | |
5b467bf4 SM |
99 | (,log-view-message-re . log-view-message-face))) |
100 | (defconst log-view-font-lock-defaults | |
101 | '(log-view-font-lock-keywords t nil nil nil)) | |
102 | ||
edb33387 | 103 | ;;;; |
5b467bf4 | 104 | ;;;; Actual code |
edb33387 | 105 | ;;;; |
5b467bf4 SM |
106 | |
107 | ;;;###autoload | |
cdbb990f | 108 | (define-derived-mode log-view-mode fundamental-mode "Log-View" |
5b467bf4 | 109 | "Major mode for browsing CVS log output." |
99cb8c8b | 110 | (setq buffer-read-only t) |
5b467bf4 SM |
111 | (set (make-local-variable 'font-lock-defaults) log-view-font-lock-defaults) |
112 | (set (make-local-variable 'cvs-minor-wrap-function) 'log-view-minor-wrap)) | |
113 | ||
114 | ;;;; | |
115 | ;;;; Navigation | |
116 | ;;;; | |
117 | ||
cdbb990f SM |
118 | ;; define log-view-{msg,file}-{next,prev} |
119 | (easy-mmode-define-navigation log-view-msg log-view-message-re "log message") | |
120 | (easy-mmode-define-navigation log-view-file log-view-file-re "file") | |
5b467bf4 | 121 | |
3e87f5fc SM |
122 | (defun log-view-goto-rev (rev) |
123 | (goto-char (point-min)) | |
124 | (ignore-errors | |
125 | (while (not (equal rev (log-view-current-tag))) | |
126 | (log-view-msg-next)) | |
127 | t)) | |
128 | ||
5b467bf4 SM |
129 | ;;;; |
130 | ;;;; Linkage to PCL-CVS (mostly copied from cvs-status.el) | |
131 | ;;;; | |
132 | ||
133 | (defconst log-view-dir-re "^cvs[.ex]* [a-z]+: Logging \\(.+\\)$") | |
134 | ||
135 | (defun log-view-current-file () | |
136 | (save-excursion | |
137 | (forward-line 1) | |
138 | (or (re-search-backward log-view-file-re nil t) | |
139 | (re-search-forward log-view-file-re)) | |
140 | (let* ((file (or (match-string 2) (match-string 3))) | |
141 | (cvsdir (and (re-search-backward log-view-dir-re nil t) | |
142 | (match-string 1))) | |
e57a1038 SM |
143 | (pcldir (and (boundp 'cvs-pcl-cvs-dirchange-re) |
144 | (re-search-backward cvs-pcl-cvs-dirchange-re nil t) | |
5b467bf4 SM |
145 | (match-string 1))) |
146 | (dir "")) | |
147 | (let ((default-directory "")) | |
148 | (when pcldir (setq dir (expand-file-name pcldir dir))) | |
99cb8c8b SS |
149 | (when cvsdir (setq dir (expand-file-name cvsdir dir)))) |
150 | (expand-file-name file dir)))) | |
5b467bf4 | 151 | |
99cb8c8b | 152 | (defun log-view-current-tag (&optional where) |
cdbb990f | 153 | (save-excursion |
99cb8c8b | 154 | (when where (goto-char where)) |
cdbb990f SM |
155 | (forward-line 1) |
156 | (let ((pt (point))) | |
157 | (when (re-search-backward log-view-message-re nil t) | |
467ee23f | 158 | (let ((rev (or (match-string 2) (match-string 3) (match-string 4)))) |
cdbb990f SM |
159 | (unless (re-search-forward log-view-file-re pt t) |
160 | rev)))))) | |
5b467bf4 SM |
161 | |
162 | (defun log-view-minor-wrap (buf f) | |
163 | (let ((data (with-current-buffer buf | |
164 | (cons | |
165 | (cons (log-view-current-file) | |
166 | (log-view-current-tag)) | |
3e87f5fc | 167 | (when mark-active |
5b467bf4 SM |
168 | (save-excursion |
169 | (goto-char (mark)) | |
170 | (cons (log-view-current-file) | |
171 | (log-view-current-tag)))))))) | |
172 | (let ((cvs-branch-prefix (cdar data)) | |
173 | (cvs-secondary-branch-prefix (and (cdar data) (cddr data))) | |
174 | (cvs-minor-current-files | |
175 | (cons (caar data) | |
176 | (when (and (cadr data) (not (equal (caar data) (cadr data)))) | |
177 | (list (cadr data))))) | |
178 | ;; FIXME: I need to force because the fileinfos are UNKNOWN | |
179 | (cvs-force-command "/F")) | |
180 | (funcall f)))) | |
181 | ||
c0313667 AS |
182 | (defun log-view-find-version (pos) |
183 | "Visit the version at point." | |
184 | (interactive "d") | |
185 | (save-excursion | |
186 | (goto-char pos) | |
f1180544 | 187 | (switch-to-buffer (vc-find-version (log-view-current-file) |
c0313667 AS |
188 | (log-view-current-tag))))) |
189 | ||
467ee23f SM |
190 | ;; |
191 | ;; diff | |
192 | ;; | |
99cb8c8b SS |
193 | |
194 | (defun log-view-diff (beg end) | |
195 | "Get the diff for several revisions. | |
196 | If the point is the same as the mark, get the diff for this revision. | |
197 | Otherwise, get the diff between the revisions | |
da4ae7d3 JL |
198 | were the region starts and ends." |
199 | (interactive | |
200 | (list (if mark-active (region-beginning) (point)) | |
201 | (if mark-active (region-end) (point)))) | |
99cb8c8b SS |
202 | (let ((fr (log-view-current-tag beg)) |
203 | (to (log-view-current-tag end))) | |
204 | (when (string-equal fr to) | |
205 | (save-excursion | |
206 | (goto-char end) | |
207 | (log-view-msg-next) | |
208 | (setq to (log-view-current-tag)))) | |
209 | (vc-version-diff (log-view-current-file) to fr))) | |
210 | ||
5b467bf4 | 211 | (provide 'log-view) |
cdbb990f | 212 | |
9be92b96 | 213 | ;; arch-tag: 0d64220b-ce7e-4f62-9c2a-6b04c2f81f4f |
5b467bf4 | 214 | ;;; log-view.el ends here |