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org-mode/lisp/org-info.el
2009-11-20 20:20:31 +01:00

84 lines
2.7 KiB
EmacsLisp

;;; org-info.el --- Support for links to Info nodes from within Org-Mode
;; Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009
;; Free Software Foundation, Inc.
;; Author: Carsten Dominik <carsten at orgmode dot org>
;; Keywords: outlines, hypermedia, calendar, wp
;; Homepage: http://orgmode.org
;; Version: 6.33trans
;;
;; 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;
;;; Commentary:
;; This file implements links to Info nodes from within Org-mode.
;; Org-mode loads this module by default - if this is not what you want,
;; configure the variable `org-modules'.
;;; Code:
(require 'org)
;; Declare external functions and variables
(declare-function Info-find-node "info" (filename nodename
&optional no-going-back))
(defvar Info-current-file)
(defvar Info-current-node)
;; Install the link type
(org-add-link-type "info" 'org-info-open)
(add-hook 'org-store-link-functions 'org-info-store-link)
;; Implementation
(defun org-info-store-link ()
"Store a link to an Info file and node."
(when (eq major-mode 'Info-mode)
(let (link desc)
(setq link (org-make-link "info:"
(file-name-nondirectory Info-current-file)
":" Info-current-node))
(setq desc (concat (file-name-nondirectory Info-current-file)
":" Info-current-node))
(org-store-link-props :type "info" :file Info-current-file
:node Info-current-node
:link link :desc desc)
link)))
(defun org-info-open (path)
"Follow an Info file and node link specified by PATH."
(org-info-follow-link path))
(defun org-info-follow-link (name)
"Follow an Info file and node link specified by NAME."
(if (or (string-match "\\(.*\\)::?\\(.*\\)" name)
(string-match "\\(.*\\)" name))
(progn
(require 'info)
(if (match-string 2 name) ; If there isn't a node, choose "Top"
(Info-find-node (match-string 1 name) (match-string 2 name))
(Info-find-node (match-string 1 name) "Top")))
(message "Could not open: %s" name)))
(provide 'org-info)
;; arch-tag: 1e289f54-7176-487f-b575-dd4854bab15e
;;; org-info.el ends here