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e81a094383
* lisp/org-compat.el (org-assert-version): New macro comparing Org version at compile time and laod time. Add `org-assert-version' call to all files: * lisp/org-macs.el: * lisp/org-crypt.el: * lisp/org-ctags.el: * lisp/org-cycle.el: * lisp/org-datetree.el: * lisp/org-duration.el: * lisp/org-element.el (avl-tree): * lisp/org-entities.el: * lisp/org-faces.el: * lisp/org-feed.el: * lisp/org-fold-core.el: * lisp/org-fold.el: * lisp/org-footnote.el: * lisp/org-goto.el: * lisp/org-habit.el: * lisp/org-id.el: * lisp/org-indent.el: * lisp/org-inlinetask.el: * lisp/org-keys.el: * lisp/org-lint.el: * lisp/org-list.el: * lisp/org-macro.el: * lisp/org-mobile.el: * lisp/org-mouse.el: * lisp/org-num.el: * lisp/org-pcomplete.el: * lisp/org-persist.el: * lisp/org-plot.el: * lisp/org-protocol.el: * lisp/org-refile.el: * lisp/org-src.el: * lisp/org-table.el: * lisp/org-tempo.el: * lisp/org-timer.el: * lisp/org.el: * lisp/ox-ascii.el: * lisp/ox-beamer.el: * lisp/ox-html.el: * lisp/ox-icalendar.el: * lisp/ox-koma-letter.el: * lisp/ox-latex.el: * lisp/ox-man.el: * lisp/ox-md.el: * lisp/ox-odt.el: * lisp/ox-org.el: * lisp/ox-publish.el: * lisp/ox-texinfo.el: * lisp/ox.el:
76 lines
2.4 KiB
EmacsLisp
76 lines
2.4 KiB
EmacsLisp
;;; ol-doi.el --- DOI links support in Org -*- lexical-binding: t; -*-
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;; Copyright (C) 2021-2022 Free Software Foundation, Inc.
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;; Author: Nicolas Goaziou <mail@nicolasgoaziou.fr>
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;; This file is part of GNU Emacs.
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;; GNU Emacs 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 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs 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 <https://www.gnu.org/licenses/>.
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;;; Commentary:
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;; This library introduces the "doi" link type in Org, and provides
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;; code for opening and exporting such links.
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;;; Code:
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(require 'org-macs)
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(org-assert-version)
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(require 'ol)
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(defcustom org-link-doi-server-url "https://doi.org/"
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"The URL of the DOI server."
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:group 'org-link-follow
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:version "24.3"
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:type 'string
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:safe #'stringp)
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(defun org-link-doi-open (path arg)
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"Open a \"doi\" type link.
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PATH is a the path to search for, as a string."
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(browse-url (url-encode-url (concat org-link-doi-server-url path)) arg))
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(defun org-link-doi-export (path desc backend info)
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"Export a \"doi\" type link.
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PATH is the DOI name. DESC is the description of the link, or
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nil. BACKEND is a symbol representing the backend used for
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export. INFO is a a plist containing the export parameters."
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(let ((uri (concat org-link-doi-server-url path)))
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(pcase backend
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(`html
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(format "<a href=\"%s\">%s</a>" uri (or desc uri)))
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(`latex
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(if desc (format "\\href{%s}{%s}" uri desc)
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(format "\\url{%s}" uri)))
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(`ascii
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(if (not desc) (format "<%s>" uri)
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(concat (format "[%s]" desc)
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(and (not (plist-get info :ascii-links-to-notes))
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(format " (<%s>)" uri)))))
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(`texinfo
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(if (not desc) (format "@uref{%s}" uri)
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(format "@uref{%s, %s}" uri desc)))
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(_ uri))))
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(org-link-set-parameters "doi"
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:follow #'org-link-doi-open
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:export #'org-link-doi-export)
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(provide 'org-link-doi)
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(provide 'ol-doi)
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;;; ol-doi.el ends here
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