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e57a1038 | 1 | ;;; log-view.el --- Major mode for browsing RCS/CVS/SCCS log output |
5b467bf4 | 2 | |
0d30b337 TTN |
3 | ;; Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, |
4 | ;; 2005 Free Software Foundation, Inc. | |
5b467bf4 SM |
5 | |
6 | ;; Author: Stefan Monnier <monnier@cs.yale.edu> | |
e57a1038 | 7 | ;; Keywords: rcs sccs cvs log version-control |
5b467bf4 SM |
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 by | |
13 | ;; the Free Software Foundation; either version 2, or (at your option) | |
14 | ;; any later version. | |
15 | ||
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU 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 | |
086add15 LK |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | ;; Boston, MA 02110-1301, USA. | |
5b467bf4 SM |
25 | |
26 | ;;; Commentary: | |
27 | ||
28 | ;; Todo: | |
29 | ||
5b467bf4 SM |
30 | ;; - add compatibility with cvs-log.el |
31 | ;; - add ability to modify a log-entry (via cvs-mode-admin ;-) | |
e57a1038 | 32 | ;; - remove references to cvs-* |
5b467bf4 SM |
33 | |
34 | ;;; Code: | |
35 | ||
36 | (eval-when-compile (require 'cl)) | |
5b467bf4 | 37 | (require 'pcvs-util) |
99cb8c8b | 38 | (autoload 'vc-version-diff "vc") |
5b467bf4 | 39 | |
71f6f911 JB |
40 | (defvar cvs-minor-wrap-function) |
41 | ||
5b467bf4 | 42 | (defgroup log-view nil |
e57a1038 | 43 | "Major mode for browsing log output of RCS/CVS/SCCS." |
5b467bf4 SM |
44 | :group 'pcl-cvs |
45 | :prefix "log-view-") | |
46 | ||
47 | (easy-mmode-defmap log-view-mode-map | |
99cb8c8b SS |
48 | '(("q" . quit-window) |
49 | ("z" . kill-this-buffer) | |
50 | ("m" . set-mark-command) | |
2a673b03 | 51 | ;; ("e" . cvs-mode-edit-log) |
99cb8c8b | 52 | ("d" . log-view-diff) |
c0313667 | 53 | ("f" . log-view-find-version) |
99cb8c8b | 54 | ("n" . log-view-msg-next) |
cdbb990f SM |
55 | ("p" . log-view-msg-prev) |
56 | ("N" . log-view-file-next) | |
57 | ("P" . log-view-file-prev) | |
e2c2a3e2 KG |
58 | ("\M-n" . log-view-file-next) |
59 | ("\M-p" . log-view-file-prev)) | |
5b467bf4 SM |
60 | "Log-View's keymap." |
61 | :group 'log-view | |
e57a1038 SM |
62 | ;; Here I really need either buffer-local keymap-inheritance |
63 | ;; or a minor-mode-map with lower precedence than the local map. | |
64 | :inherit (if (boundp 'cvs-mode-map) cvs-mode-map)) | |
5b467bf4 SM |
65 | |
66 | (defvar log-view-mode-hook nil | |
67 | "Hook run at the end of `log-view-mode'.") | |
68 | ||
d842de85 | 69 | (defface log-view-file |
5b467bf4 | 70 | '((((class color) (background light)) |
1fd714a4 RS |
71 | (:background "grey70" :weight bold)) |
72 | (t (:weight bold))) | |
5b467bf4 SM |
73 | "Face for the file header line in `log-view-mode'." |
74 | :group 'log-view) | |
d842de85 MB |
75 | ;; backward-compatibility alias |
76 | (put 'log-view-file-face 'face-alias 'log-view-file) | |
77 | (defvar log-view-file-face 'log-view-file) | |
5b467bf4 | 78 | |
d842de85 | 79 | (defface log-view-message |
5b467bf4 SM |
80 | '((((class color) (background light)) |
81 | (:background "grey85")) | |
1fd714a4 | 82 | (t (:weight bold))) |
5b467bf4 SM |
83 | "Face for the message header line in `log-view-mode'." |
84 | :group 'log-view) | |
d842de85 MB |
85 | ;; backward-compatibility alias |
86 | (put 'log-view-message-face 'face-alias 'log-view-message) | |
87 | (defvar log-view-message-face 'log-view-message) | |
5b467bf4 SM |
88 | |
89 | (defconst log-view-file-re | |
90 | (concat "^\\(" | |
91 | "Working file: \\(.+\\)" | |
92 | "\\|SCCS/s\\.\\(.+\\):" | |
93 | "\\)\n")) | |
2a673b03 | 94 | ;; In RCS, a locked revision will look like "revision N.M\tlocked by: FOO". |
9be92b96 | 95 | (defconst log-view-message-re "^\\(revision \\([.0-9]+\\)\\(?:\t.*\\)?\\|r\\([0-9]+\\) | .* | .*\\|D \\([.0-9]+\\) .*\\)$") |
5b467bf4 SM |
96 | |
97 | (defconst log-view-font-lock-keywords | |
98 | `((,log-view-file-re | |
e57a1038 SM |
99 | (2 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t) |
100 | (3 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t) | |
101 | (0 log-view-file-face append)) | |
5b467bf4 SM |
102 | (,log-view-message-re . log-view-message-face))) |
103 | (defconst log-view-font-lock-defaults | |
104 | '(log-view-font-lock-keywords t nil nil nil)) | |
105 | ||
edb33387 | 106 | ;;;; |
5b467bf4 | 107 | ;;;; Actual code |
edb33387 | 108 | ;;;; |
5b467bf4 SM |
109 | |
110 | ;;;###autoload | |
cdbb990f | 111 | (define-derived-mode log-view-mode fundamental-mode "Log-View" |
5b467bf4 | 112 | "Major mode for browsing CVS log output." |
99cb8c8b | 113 | (setq buffer-read-only t) |
5b467bf4 SM |
114 | (set (make-local-variable 'font-lock-defaults) log-view-font-lock-defaults) |
115 | (set (make-local-variable 'cvs-minor-wrap-function) 'log-view-minor-wrap)) | |
116 | ||
117 | ;;;; | |
118 | ;;;; Navigation | |
119 | ;;;; | |
120 | ||
cdbb990f SM |
121 | ;; define log-view-{msg,file}-{next,prev} |
122 | (easy-mmode-define-navigation log-view-msg log-view-message-re "log message") | |
123 | (easy-mmode-define-navigation log-view-file log-view-file-re "file") | |
5b467bf4 | 124 | |
3e87f5fc SM |
125 | (defun log-view-goto-rev (rev) |
126 | (goto-char (point-min)) | |
127 | (ignore-errors | |
128 | (while (not (equal rev (log-view-current-tag))) | |
129 | (log-view-msg-next)) | |
130 | t)) | |
131 | ||
5b467bf4 SM |
132 | ;;;; |
133 | ;;;; Linkage to PCL-CVS (mostly copied from cvs-status.el) | |
134 | ;;;; | |
135 | ||
136 | (defconst log-view-dir-re "^cvs[.ex]* [a-z]+: Logging \\(.+\\)$") | |
137 | ||
138 | (defun log-view-current-file () | |
139 | (save-excursion | |
140 | (forward-line 1) | |
141 | (or (re-search-backward log-view-file-re nil t) | |
142 | (re-search-forward log-view-file-re)) | |
143 | (let* ((file (or (match-string 2) (match-string 3))) | |
144 | (cvsdir (and (re-search-backward log-view-dir-re nil t) | |
145 | (match-string 1))) | |
e57a1038 SM |
146 | (pcldir (and (boundp 'cvs-pcl-cvs-dirchange-re) |
147 | (re-search-backward cvs-pcl-cvs-dirchange-re nil t) | |
5b467bf4 SM |
148 | (match-string 1))) |
149 | (dir "")) | |
150 | (let ((default-directory "")) | |
151 | (when pcldir (setq dir (expand-file-name pcldir dir))) | |
99cb8c8b SS |
152 | (when cvsdir (setq dir (expand-file-name cvsdir dir)))) |
153 | (expand-file-name file dir)))) | |
5b467bf4 | 154 | |
99cb8c8b | 155 | (defun log-view-current-tag (&optional where) |
cdbb990f | 156 | (save-excursion |
99cb8c8b | 157 | (when where (goto-char where)) |
cdbb990f SM |
158 | (forward-line 1) |
159 | (let ((pt (point))) | |
160 | (when (re-search-backward log-view-message-re nil t) | |
467ee23f | 161 | (let ((rev (or (match-string 2) (match-string 3) (match-string 4)))) |
cdbb990f SM |
162 | (unless (re-search-forward log-view-file-re pt t) |
163 | rev)))))) | |
5b467bf4 SM |
164 | |
165 | (defun log-view-minor-wrap (buf f) | |
166 | (let ((data (with-current-buffer buf | |
167 | (cons | |
168 | (cons (log-view-current-file) | |
169 | (log-view-current-tag)) | |
3e87f5fc | 170 | (when mark-active |
5b467bf4 SM |
171 | (save-excursion |
172 | (goto-char (mark)) | |
173 | (cons (log-view-current-file) | |
174 | (log-view-current-tag)))))))) | |
175 | (let ((cvs-branch-prefix (cdar data)) | |
176 | (cvs-secondary-branch-prefix (and (cdar data) (cddr data))) | |
177 | (cvs-minor-current-files | |
178 | (cons (caar data) | |
179 | (when (and (cadr data) (not (equal (caar data) (cadr data)))) | |
180 | (list (cadr data))))) | |
181 | ;; FIXME: I need to force because the fileinfos are UNKNOWN | |
182 | (cvs-force-command "/F")) | |
183 | (funcall f)))) | |
184 | ||
c0313667 AS |
185 | (defun log-view-find-version (pos) |
186 | "Visit the version at point." | |
187 | (interactive "d") | |
188 | (save-excursion | |
189 | (goto-char pos) | |
f1180544 | 190 | (switch-to-buffer (vc-find-version (log-view-current-file) |
c0313667 AS |
191 | (log-view-current-tag))))) |
192 | ||
467ee23f SM |
193 | ;; |
194 | ;; diff | |
195 | ;; | |
99cb8c8b SS |
196 | |
197 | (defun log-view-diff (beg end) | |
e8171d36 JL |
198 | "Get the diff between two revisions. |
199 | If the mark is not active or the mark is on the revision at point, | |
200 | get the diff between the revision at point and its previous revision. | |
201 | Otherwise, get the diff between the revisions where the region starts | |
202 | and ends." | |
da4ae7d3 JL |
203 | (interactive |
204 | (list (if mark-active (region-beginning) (point)) | |
205 | (if mark-active (region-end) (point)))) | |
99cb8c8b SS |
206 | (let ((fr (log-view-current-tag beg)) |
207 | (to (log-view-current-tag end))) | |
208 | (when (string-equal fr to) | |
209 | (save-excursion | |
210 | (goto-char end) | |
211 | (log-view-msg-next) | |
212 | (setq to (log-view-current-tag)))) | |
213 | (vc-version-diff (log-view-current-file) to fr))) | |
214 | ||
5b467bf4 | 215 | (provide 'log-view) |
cdbb990f | 216 | |
9be92b96 | 217 | ;; arch-tag: 0d64220b-ce7e-4f62-9c2a-6b04c2f81f4f |
5b467bf4 | 218 | ;;; log-view.el ends here |