77 lines
2.6 KiB
EmacsLisp
77 lines
2.6 KiB
EmacsLisp
;;; ol-man.el - Links to man pages
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;;
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;; Author: Carsten Dominik <carsten at orgmode dot org>
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;; Keywords: outlines, hypermedia, calendar, wp
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;; Homepage: https://orgmode.org
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;; Version: 1.0
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;;
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;; This file is not yet part of GNU Emacs.
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;;
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;; This program is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 3, or (at your option)
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;; any later version.
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;; This program is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;
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;;; Commentary:
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(require 'ol)
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(require 'org)
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(org-link-set-parameters "man"
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:follow #'org-man-open
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:export #'org-man-export
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:store #'org-man-store-link)
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(defcustom org-man-command 'man
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"The Emacs command to be used to display a man page."
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:group 'org-link
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:type '(choice (const man) (const woman)))
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(defun org-man-open (path)
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"Visit the manpage on PATH.
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PATH should be a topic that can be thrown at the man command."
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(funcall org-man-command path))
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(defun org-man-store-link ()
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"Store a link to a README file."
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(when (memq major-mode '(Man-mode woman-mode))
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;; This is a man page, we do make this link
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(let* ((page (org-man-get-page-name))
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(link (concat "man:" page))
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(description (format "Manpage for %s" page)))
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(org-store-link-props
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:type "man"
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:link link
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:description description))))
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(defun org-man-get-page-name ()
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"Extract the page name from the buffer name."
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;; This works for both `Man-mode' and `woman-mode'.
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(if (string-match " \\(\\S-+\\)\\*" (buffer-name))
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(match-string 1 (buffer-name))
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(error "Cannot create link to this man page")))
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(defun org-man-export (link description format)
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"Export a man page link from Org files."
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(let ((path (format "http://man.he.net/?topic=%s§ion=all" link))
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(desc (or description link)))
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(cond
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((eq format 'html) (format "<a target=\"_blank\" href=\"%s\">%s</a>" path desc))
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((eq format 'latex) (format "\\href{%s}{%s}" path desc))
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((eq format 'texinfo) (format "@uref{%s,%s}" path desc))
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((eq format 'ascii) (format "%s (%s)" desc path))
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(t path))))
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(provide 'ol-man)
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;;; ol-man.el ends here
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