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[emacs.git] / lisp / log-view.el
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1 ;;; log-view.el --- Major mode for browsing RCS/CVS/SCCS log output
3 ;; Copyright (C) 1999-2000 Free Software Foundation, Inc.
5 ;; Author: Stefan Monnier <monnier@cs.yale.edu>
6 ;; Keywords: rcs sccs cvs log version-control
7 ;; Version: $Name: $
8 ;; Revision: $Id: log-view.el,v 1.3 2000/05/10 22:22:21 monnier Exp $
10 ;; This file is part of GNU Emacs.
12 ;; GNU Emacs is free software; you can redistribute it and/or modify
13 ;; it under the terms of the GNU General Public License as published by
14 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; any later version.
17 ;; GNU Emacs is distributed in the hope that it will be useful,
18 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 ;; GNU General Public License for more details.
22 ;; You should have received a copy of the GNU General Public License
23 ;; along with GNU Emacs; see the file COPYING. If not, write to the
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
25 ;; Boston, MA 02111-1307, USA.
27 ;;; Commentary:
29 ;; Todo:
31 ;; - add compatibility with cvs-log.el
32 ;; - add ability to modify a log-entry (via cvs-mode-admin ;-)
33 ;; - remove references to cvs-*
35 ;;; Code:
37 (eval-when-compile (require 'cl))
38 (require 'pcvs-util)
41 (defgroup log-view nil
42 "Major mode for browsing log output of RCS/CVS/SCCS."
43 :group 'pcl-cvs
44 :prefix "log-view-")
46 (easy-mmode-defmap log-view-mode-map
47 '(("n" . log-view-msg-next)
48 ("p" . log-view-msg-prev)
49 ("N" . log-view-file-next)
50 ("P" . log-view-file-prev)
51 ("M-n" . log-view-file-next)
52 ("M-p" . log-view-file-prev))
53 "Log-View's keymap."
54 :group 'log-view
55 ;; Here I really need either buffer-local keymap-inheritance
56 ;; or a minor-mode-map with lower precedence than the local map.
57 :inherit (if (boundp 'cvs-mode-map) cvs-mode-map))
59 (defvar log-view-mode-hook nil
60 "Hook run at the end of `log-view-mode'.")
62 (defface log-view-file-face
63 '((((class color) (background light))
64 (:background "grey70" :bold t))
65 (t (:bold t)))
66 "Face for the file header line in `log-view-mode'."
67 :group 'log-view)
68 (defvar log-view-file-face 'log-view-file-face)
70 (defface log-view-message-face
71 '((((class color) (background light))
72 (:background "grey85"))
73 (t (:bold t)))
74 "Face for the message header line in `log-view-mode'."
75 :group 'log-view)
76 (defvar log-view-message-face 'log-view-message-face)
78 (defconst log-view-file-re
79 (concat "^\\("
80 "Working file: \\(.+\\)"
81 "\\|SCCS/s\\.\\(.+\\):"
82 "\\)\n"))
83 (defconst log-view-message-re "^\\(revision \\([.0-9]+\\)\\|D \\([.0-9]+\\) .*\\)$")
85 (defconst log-view-font-lock-keywords
86 `((,log-view-file-re
87 (2 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t)
88 (3 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t)
89 (0 log-view-file-face append))
90 (,log-view-message-re . log-view-message-face)))
91 (defconst log-view-font-lock-defaults
92 '(log-view-font-lock-keywords t nil nil nil))
94 ;;;;
95 ;;;; Actual code
96 ;;;;
98 ;;;###autoload
99 (define-derived-mode log-view-mode fundamental-mode "Log-View"
100 "Major mode for browsing CVS log output."
101 (set (make-local-variable 'font-lock-defaults) log-view-font-lock-defaults)
102 (set (make-local-variable 'cvs-minor-wrap-function) 'log-view-minor-wrap))
104 ;;;;
105 ;;;; Navigation
106 ;;;;
108 ;; define log-view-{msg,file}-{next,prev}
109 (easy-mmode-define-navigation log-view-msg log-view-message-re "log message")
110 (easy-mmode-define-navigation log-view-file log-view-file-re "file")
112 (defun log-view-goto-rev (rev)
113 (goto-char (point-min))
114 (ignore-errors
115 (while (not (equal rev (log-view-current-tag)))
116 (log-view-msg-next))
119 ;;;;
120 ;;;; Linkage to PCL-CVS (mostly copied from cvs-status.el)
121 ;;;;
123 (defconst log-view-dir-re "^cvs[.ex]* [a-z]+: Logging \\(.+\\)$")
125 (defun log-view-current-file ()
126 (save-excursion
127 (forward-line 1)
128 (or (re-search-backward log-view-file-re nil t)
129 (re-search-forward log-view-file-re))
130 (let* ((file (or (match-string 2) (match-string 3)))
131 (cvsdir (and (re-search-backward log-view-dir-re nil t)
132 (match-string 1)))
133 (pcldir (and (boundp 'cvs-pcl-cvs-dirchange-re)
134 (re-search-backward cvs-pcl-cvs-dirchange-re nil t)
135 (match-string 1)))
136 (dir ""))
137 (let ((default-directory ""))
138 (when pcldir (setq dir (expand-file-name pcldir dir)))
139 (when cvsdir (setq dir (expand-file-name cvsdir dir)))
140 (expand-file-name file dir)))))
142 (defun log-view-current-tag ()
143 (save-excursion
144 (forward-line 1)
145 (let ((pt (point)))
146 (when (re-search-backward log-view-message-re nil t)
147 (let ((rev (or (match-string 2) (match-string 3))))
148 (unless (re-search-forward log-view-file-re pt t)
149 rev))))))
151 (defun log-view-minor-wrap (buf f)
152 (let ((data (with-current-buffer buf
153 (cons
154 (cons (log-view-current-file)
155 (log-view-current-tag))
156 (when mark-active
157 (save-excursion
158 (goto-char (mark))
159 (cons (log-view-current-file)
160 (log-view-current-tag))))))))
161 (let ((cvs-branch-prefix (cdar data))
162 (cvs-secondary-branch-prefix (and (cdar data) (cddr data)))
163 (cvs-minor-current-files
164 (cons (caar data)
165 (when (and (cadr data) (not (equal (caar data) (cadr data))))
166 (list (cadr data)))))
167 ;; FIXME: I need to force because the fileinfos are UNKNOWN
168 (cvs-force-command "/F"))
169 (funcall f))))
171 (provide 'log-view)
173 ;;; Change Log:
174 ;; $Log: log-view.el,v $
175 ;; Revision 1.3 2000/05/10 22:22:21 monnier
176 ;; (log-view-goto-rev): New function for the new VC.
177 ;; (log-view-minor-wrap): Use mark-active.
179 ;; Revision 1.2 2000/03/22 01:10:09 monnier
180 ;; (log-view-(msg|file)-(prev|next)): Rename from
181 ;; log-view-*-(message|file) and use easy-mmode-define-navigation.
182 ;; (log-view-message-re): Match SCCS format as well.
183 ;; And match the revision line rather than the dashed separator line.
184 ;; (log-view-mode): Use the new define-derived-mode.
185 ;; (log-view-current-tag): Fill in with an actual implementation.
188 ;;; log-view.el ends here