indefero/src/IDF/Template/Markdown.php

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<?php
/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
# ***** BEGIN LICENSE BLOCK *****
# This file is part of InDefero, an open source project management application.
# Copyright (C) 2008 Céondo Ltd and contributors.
#
# InDefero 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 of the License, or
# (at your option) any later version.
#
# InDefero 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
# ***** END LICENSE BLOCK ***** */
Pluf::loadFunction('Pluf_Text_MarkDown_parse');
Pluf::loadFunction('IDF_Template_safePregReplace');
/**
* Make the links to issues and commits.
*/
class IDF_Template_Markdown extends Pluf_Template_Tag
{
private $project = null;
private $request = null;
private $scm = null;
function start($text, $request)
{
$this->project = $request->project;
$this->request = $request;
// Replace like in the issue text
$tag = new IDF_Template_IssueComment();
$text = $tag->start($text, $request, false, false, false, false);
// Replace [[[path/to/file.mdtext, commit]]] with embedding
// the content of the file into the wki page
if ($this->request->rights['hasSourceAccess']) {
$text = IDF_Template_safePregReplace('#\[\[\[([^\,]+)(?:, ([^/]+))?\]\]\]#im',
array($this, 'callbackEmbeddedDoc'),
$text);
}
// Replace [Page]([[PageName]]) with corresponding link to the page, with link text being Page.
$text = IDF_Template_safePregReplace('#\[([^\]]+)\]\(\[\[([A-Za-z0-9\-]+)\]\]\)#im',
array($this, 'callbackWikiPage'),
$text);
// Replace [[PageName]] with corresponding link to the page.
$text = IDF_Template_safePregReplace('#\[\[([A-Za-z0-9\-]+)\]\]#im',
array($this, 'callbackWikiPageNoName'),
$text);
$filter = new IDF_Template_MarkdownPrefilter();
echo $filter->go(Pluf_Text_MarkDown_parse($text));
}
function callbackWikiPageNoName($m)
{
$m[2] = $m[1]; //Set the link text to be the same as the page name.
return $this->callbackWikiPage($m);
}
function callbackWikiPage($m)
{
$sql = new Pluf_SQL('project=%s AND title=%s',
array($this->project->id, $m[2]));
$pages = Pluf::factory('IDF_WikiPage')->getList(array('filter'=>$sql->gen()));
if ($pages->count() != 1 and $this->request->rights['hasWikiAccess']
and !$this->request->user->isAnonymous()) {
return '<img style="vertical-align: text-bottom;" alt=" " src="'.Pluf::f('url_media').'/idf/img/add.png" /><a href="'.Pluf_HTTP_URL_urlForView('IDF_Views_Wiki::create', array($this->project->shortname), array('name'=>$m[2])).'" title="'.__('Create this documentation page').'">'.$m[1].'</a>';
}
if (!$this->request->rights['hasWikiAccess'] or $pages->count() == 0) {
return $m[1];
}
return '<a href="'.Pluf_HTTP_URL_urlForView('IDF_Views_Wiki::view', array($this->project->shortname, $pages[0]->title)).'" title="'.Pluf_esc($pages[0]->summary).'">'.$m[1].'</a>';
}
function callbackEmbeddedDoc($m)
{
$scm = IDF_Scm::get($this->request->project);
if (!$scm->isAvailable()) {
return $m[0];
}
$view_source = new IDF_Views_Source();
$match = array('dummy', $this->request->project->shortname);
$match[] = (isset($m[2])) ? $m[2] : $scm->getMainBranch();
$match[] = $m[1];
$res = $view_source->getFile($this->request, $match);
if ($res->status_code != 200) {
return $m[0];
}
$info = pathinfo($m[1]);
$fileinfo = array($res->headers['Content-Type'], $m[1],
isset($info['extension']) ? $info['extension'] : 'bin');
if (!IDF_FileUtil::isText($fileinfo)) {
return $m[0];
}
return $res->content;
}
}