revision is created; fix a couple of bugs and streamline the view logic for viewPage and viewResource.
		
			
				
	
	
		
			200 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			200 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/* -*- tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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# ***** BEGIN LICENSE BLOCK *****
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# This file is part of InDefero, an open source project management application.
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# Copyright (C) 2008-2011 Céondo Ltd and contributors.
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#
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# InDefero 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 2 of the License, or
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# (at your option) any later version.
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#
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# InDefero 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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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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#
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# ***** END LICENSE BLOCK ***** */
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Pluf::loadFunction('Pluf_Text_MarkDown_parse');
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Pluf::loadFunction('IDF_Template_safePregReplace');
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/**
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 * Make the links to issues and commits.
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 */
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class IDF_Template_Markdown extends Pluf_Template_Tag
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{
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    private $project = null;
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    private $request = null;
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    private $scm = null;
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    function start($text, $request)
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    {
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        $this->project = $request->project;
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        $this->request = $request;
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        // Replace like in the issue text
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        $tag = new IDF_Template_IssueComment();
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        $text = $tag->start($text, $request, false, false, false, false);
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        // Replace [[[path/to/file.mdtext, commit]]] with embedding
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        // the content of the file into the wki page
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        if ($this->request->rights['hasSourceAccess']) {
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            $text = IDF_Template_safePregReplace('#\[\[\[([^\,]+)(?:, ([^/]+))?\]\]\]#im',
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                                                 array($this, 'callbackEmbeddedDoc'),
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                                                 $text);
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        }
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        // Replace [Page]([[PageName]]) with corresponding link to the page, with link text being Page.
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        $text = IDF_Template_safePregReplace('#\[([^\]]+)\]\(\[\[([A-Za-z0-9\-]+)\]\]\)#im',
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                                             array($this, 'callbackWikiPage'),
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                                             $text);
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        // Replace [[PageName]] with corresponding link to the page.
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        $text = IDF_Template_safePregReplace('#\[\[([A-Za-z0-9\-]+)\]\]#im',
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					     array($this, 'callbackWikiPageNoName'),
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					     $text);
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        $filter = new IDF_Template_MarkdownPrefilter();
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        $text = $filter->go(Pluf_Text_MarkDown_parse($text));
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        // Replace [[!ResourceName]] with corresponding HTML for the resource;
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        // we need to do that after the HTML filtering as we'd otherwise be unable to use
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        // certain HTML elements, such as iframes, that are used to display text content
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        // FIXME: no support for escaping yet in place
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        echo IDF_Template_safePregReplace('#\[\[!([A-Za-z0-9\-]+)(?:,\s*([^\]]+))?\]\]#im',
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                                          array($this, 'callbackWikiResource'),
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                                          $text);
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    }
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    function callbackWikiPageNoName($m)
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    {
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        $m[2] = $m[1]; //Set the link text to be the same as the page name.
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        return $this->callbackWikiPage($m);
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    }
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    function callbackWikiPage($m)
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    {
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        $sql = new Pluf_SQL('project=%s AND title=%s',
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                            array($this->project->id, $m[2]));
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        $pages = Pluf::factory('IDF_Wiki_Page')->getList(array('filter'=>$sql->gen()));
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        if ($pages->count() != 1 and $this->request->rights['hasWikiAccess']
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            and !$this->request->user->isAnonymous()) {
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            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::createPage', array($this->project->shortname), array('name'=>$m[2])).'" title="'.__('Create this documentation page').'">'.$m[1].'</a>';
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        }
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        if (!$this->request->rights['hasWikiAccess'] or $pages->count() == 0) {
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            return $m[1];
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        }
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        return '<a href="'.Pluf_HTTP_URL_urlForView('IDF_Views_Wiki::viewPage', array($this->project->shortname, $pages[0]->title)).'" title="'.Pluf_esc($pages[0]->summary).'">'.$m[1].'</a>';
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    }
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    function callbackWikiResource($m)
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    {
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        @list($match, $resourceName, $opts) = $m;
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        if (!$this->request->rights['hasWikiAccess']) {
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            return '<span title="'.__('You are not allowed to access the wiki.').'">'.$match.'</span>';
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        }
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        $sql = new Pluf_SQL('project=%s AND title=%s',
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                            array($this->project->id, $resourceName));
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        $resources = Pluf::factory('IDF_Wiki_Resource')->getList(array('filter'=>$sql->gen()));
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        if ($resources->count() == 0) {
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            if ($this->request->user->isAnonymous()) {
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                return '<span title="'.__('The wiki resource has not been found.').'">'.$match.'</span>';
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            }
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            $url = Pluf_HTTP_URL_urlForView('IDF_Views_Wiki::createResource',
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                                            array($this->project->shortname),
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                                            array('name' => $resourceName));
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            return '<img style="vertical-align: text-bottom;" alt=" " src="'.Pluf::f('url_media').'/idf/img/add.png" />'.
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                   '<a href="'.$url.'" title="'.__('The wiki resource has not been found. Create it!').'">'.$match.'</a>';
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        }
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        // by default, render the most recent revision
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        $resourceRevision = $resources[0]->get_current_revision();
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        list($urlConf, $urlMatches) = $this->request->view;
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        // if we currently look at an existing wiki page, look up its name and find the proper resource (if any)
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        if ($urlConf['model'] == 'IDF_Views_Wiki' && $urlConf['method'] == 'viewPage') {
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            $sql = new Pluf_SQL('project=%s AND title=%s',
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                                array($this->project->id, $urlMatches[2]));
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            $pages = Pluf::factory('IDF_Wiki_Page')->getList(array('filter'=>$sql->gen()));
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            if ($pages->count() == 0) throw new Exception('page not found');
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            $pageRevision = $pages[0]->get_current_revision();
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            // if we look at an old version of the page, figure out the resource version back then
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            if (isset($this->request->GET['rev']) and preg_match('/^[0-9]+$/', $this->request->GET['rev'])) {
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                $pageRevision = Pluf_Shortcuts_GetObjectOr404('IDF_Wiki_PageRevision',
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                                                              $this->request->GET['rev']);
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                // this is actually an invariant since we came so far looking at
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                // and rendering the old revision already
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                if ($pageRevision == null) {
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                    throw new Exception('page revision with id '.$this->request->GET['rev'].' not found');
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                }
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            }
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            $sql = new Pluf_SQL('wikiresource=%s AND idf_wiki_pagerevision_id=%s',
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                                array($resources[0]->id, $pageRevision->id));
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            $resourceRevision = Pluf::factory('IDF_Wiki_ResourceRevision')->getOne(
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                array('filter' => $sql->gen(), 'view' => 'join_pagerevision'));
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            if ($resourceRevision == null) {
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                return '<span title="'.__('This revision of the resource is no longer available.').'">'.$match.'</span>';
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            }
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        }
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        $validOpts = array(
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            'align' => '/^(left|right|center)$/',
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            'width' => '/^\d+(%|px|em)?$/',
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            'height' => '/^\d+(%|px|em)?$/',
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            'preview' => '/^yes|no$/',
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            'title' => '/.+/',
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        );
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        $parsedOpts = array();
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        // FIXME: no support for escaping yet in place
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        $opts = preg_split('/\s*,\s*/', $opts, -1, PREG_SPLIT_NO_EMPTY);
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        foreach ((array)@$opts as $opt)
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        {
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            list($key, $value) = preg_split('/\s*=\s*/', $opt, 2);
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            if (!array_key_exists($key, $validOpts)) {
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                continue;
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            }
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            if (!preg_match($validOpts[$key], $value)) {
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                continue;
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            }
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            $parsedOpts[$key] = $value;
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        }
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        return $resourceRevision->render($parsedOpts);
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    }
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    function callbackEmbeddedDoc($m)
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    {
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        $scm = IDF_Scm::get($this->request->project);
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        if (!$scm->isAvailable()) {
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            return $m[0];
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        }
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        $view_source = new IDF_Views_Source();
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        $match = array('dummy', $this->request->project->shortname);
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        $match[] = (isset($m[2])) ? $m[2] : $scm->getMainBranch();
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        $match[] = $m[1];
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        $res = $view_source->getFile($this->request, $match);
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        if ($res->status_code != 200) {
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            return $m[0];
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        }
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        $info = pathinfo($m[1]);
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        $fileinfo = array($res->headers['Content-Type'], $m[1],
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                          isset($info['extension']) ? $info['extension'] : 'bin');
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        if (!IDF_FileUtil::isText($fileinfo)) {
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            return $m[0];
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        }
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        return $res->content;
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    }
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}
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