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emacs/lisp/log-view.el
Stefan Monnier e57a1038ed Fix file description.
(log-view-mode-map): Unsatisfying fix for when cvs-mode-map is not
available.
(log-view-font-lock-keywords): Only use cvs-filename-face if present.
(log-view-current-file): Only use cvs-pcl-cvs-dirchange-re if present.
2000-05-21 02:12:34 +00:00

189 lines
5.9 KiB
EmacsLisp

;;; log-view.el --- Major mode for browsing RCS/CVS/SCCS log output
;; Copyright (C) 1999-2000 Free Software Foundation, Inc.
;; Author: Stefan Monnier <monnier@cs.yale.edu>
;; Keywords: rcs sccs cvs log version-control
;; Version: $Name: $
;; Revision: $Id: log-view.el,v 1.3 2000/05/10 22:22:21 monnier Exp $
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation; either version 2, or (at your option)
;; any later version.
;; GNU Emacs is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
;; along with GNU Emacs; see the file COPYING. If not, write to the
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
;; Boston, MA 02111-1307, USA.
;;; Commentary:
;; Todo:
;; - add compatibility with cvs-log.el
;; - add ability to modify a log-entry (via cvs-mode-admin ;-)
;; - remove references to cvs-*
;;; Code:
(eval-when-compile (require 'cl))
(require 'pcvs-util)
(defgroup log-view nil
"Major mode for browsing log output of RCS/CVS/SCCS."
:group 'pcl-cvs
:prefix "log-view-")
(easy-mmode-defmap log-view-mode-map
'(("n" . log-view-msg-next)
("p" . log-view-msg-prev)
("N" . log-view-file-next)
("P" . log-view-file-prev)
("M-n" . log-view-file-next)
("M-p" . log-view-file-prev))
"Log-View's keymap."
:group 'log-view
;; Here I really need either buffer-local keymap-inheritance
;; or a minor-mode-map with lower precedence than the local map.
:inherit (if (boundp 'cvs-mode-map) cvs-mode-map))
(defvar log-view-mode-hook nil
"Hook run at the end of `log-view-mode'.")
(defface log-view-file-face
'((((class color) (background light))
(:background "grey70" :bold t))
(t (:bold t)))
"Face for the file header line in `log-view-mode'."
:group 'log-view)
(defvar log-view-file-face 'log-view-file-face)
(defface log-view-message-face
'((((class color) (background light))
(:background "grey85"))
(t (:bold t)))
"Face for the message header line in `log-view-mode'."
:group 'log-view)
(defvar log-view-message-face 'log-view-message-face)
(defconst log-view-file-re
(concat "^\\("
"Working file: \\(.+\\)"
"\\|SCCS/s\\.\\(.+\\):"
"\\)\n"))
(defconst log-view-message-re "^\\(revision \\([.0-9]+\\)\\|D \\([.0-9]+\\) .*\\)$")
(defconst log-view-font-lock-keywords
`((,log-view-file-re
(2 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t)
(3 (if (boundp 'cvs-filename-face) cvs-filename-face) nil t)
(0 log-view-file-face append))
(,log-view-message-re . log-view-message-face)))
(defconst log-view-font-lock-defaults
'(log-view-font-lock-keywords t nil nil nil))
;;;;
;;;; Actual code
;;;;
;;;###autoload
(define-derived-mode log-view-mode fundamental-mode "Log-View"
"Major mode for browsing CVS log output."
(set (make-local-variable 'font-lock-defaults) log-view-font-lock-defaults)
(set (make-local-variable 'cvs-minor-wrap-function) 'log-view-minor-wrap))
;;;;
;;;; Navigation
;;;;
;; define log-view-{msg,file}-{next,prev}
(easy-mmode-define-navigation log-view-msg log-view-message-re "log message")
(easy-mmode-define-navigation log-view-file log-view-file-re "file")
(defun log-view-goto-rev (rev)
(goto-char (point-min))
(ignore-errors
(while (not (equal rev (log-view-current-tag)))
(log-view-msg-next))
t))
;;;;
;;;; Linkage to PCL-CVS (mostly copied from cvs-status.el)
;;;;
(defconst log-view-dir-re "^cvs[.ex]* [a-z]+: Logging \\(.+\\)$")
(defun log-view-current-file ()
(save-excursion
(forward-line 1)
(or (re-search-backward log-view-file-re nil t)
(re-search-forward log-view-file-re))
(let* ((file (or (match-string 2) (match-string 3)))
(cvsdir (and (re-search-backward log-view-dir-re nil t)
(match-string 1)))
(pcldir (and (boundp 'cvs-pcl-cvs-dirchange-re)
(re-search-backward cvs-pcl-cvs-dirchange-re nil t)
(match-string 1)))
(dir ""))
(let ((default-directory ""))
(when pcldir (setq dir (expand-file-name pcldir dir)))
(when cvsdir (setq dir (expand-file-name cvsdir dir)))
(expand-file-name file dir)))))
(defun log-view-current-tag ()
(save-excursion
(forward-line 1)
(let ((pt (point)))
(when (re-search-backward log-view-message-re nil t)
(let ((rev (or (match-string 2) (match-string 3))))
(unless (re-search-forward log-view-file-re pt t)
rev))))))
(defun log-view-minor-wrap (buf f)
(let ((data (with-current-buffer buf
(cons
(cons (log-view-current-file)
(log-view-current-tag))
(when mark-active
(save-excursion
(goto-char (mark))
(cons (log-view-current-file)
(log-view-current-tag))))))))
(let ((cvs-branch-prefix (cdar data))
(cvs-secondary-branch-prefix (and (cdar data) (cddr data)))
(cvs-minor-current-files
(cons (caar data)
(when (and (cadr data) (not (equal (caar data) (cadr data))))
(list (cadr data)))))
;; FIXME: I need to force because the fileinfos are UNKNOWN
(cvs-force-command "/F"))
(funcall f))))
(provide 'log-view)
;;; Change Log:
;; $Log: log-view.el,v $
;; Revision 1.3 2000/05/10 22:22:21 monnier
;; (log-view-goto-rev): New function for the new VC.
;; (log-view-minor-wrap): Use mark-active.
;;
;; Revision 1.2 2000/03/22 01:10:09 monnier
;; (log-view-(msg|file)-(prev|next)): Rename from
;; log-view-*-(message|file) and use easy-mmode-define-navigation.
;; (log-view-message-re): Match SCCS format as well.
;; And match the revision line rather than the dashed separator line.
;; (log-view-mode): Use the new define-derived-mode.
;; (log-view-current-tag): Fill in with an actual implementation.
;;
;;; log-view.el ends here