public function build()
{
$article = $this->Agent->getArticle();
$text = $article->getContent(true);
# Strip comments and <nowiki>
$text = preg_replace("/<!--.*?-->/s", "", $text);
$text = preg_replace("@<nowiki>.*?</nowiki>@s", "", $text);
# change template usage to substitution; note that this is WRONG
#$tchars = Title::legalChars();
#$text = preg_replace("/(?<!{){{([$tchars]+)(\|.*?)?}}(?!})/", "{{subst:$1$2}}", $text);
$parser = new Parser();
# so the magic variables work out right
$parser->mOptions = new ParserOptions();
$parser->mTitle = $this->Agent->getTitle();
$parser->mOutputType = OT_WIKI;
$parser->initialiseVariables();
$parser->clearState();
$text = $parser->replaceVariables($text);
preg_match_all("@<rdf>(.*?)</rdf>@s", $text, $matches, PREG_PATTERN_ORDER);
$content = $matches[1];
$rdf = implode(' ', array_values($content));
$model = MwRdf::Model();
if (strlen($rdf) > 0) {
$parser->mOutputType = OT_HTML;
$rdf = $parser->replaceVariables($rdf);
$turtle_parser = MwRdf::Parser('turtle');
$base_uri = $this->Agent->getTitle()->getFullUrl();
$prelude = MwRdf::getNamespacePrelude();
$model->loadStatementsFromString($turtle_parser, $prelude . $rdf);
}
return $model;
}
public static function render($input, $args, Parser $parser)
{
// Create InputBox
$inputBox = new InputBox($parser);
// Configure InputBox
$inputBox->extractOptions($parser->replaceVariables($input));
// Return output
return $inputBox->render();
}
/**
* Parser hook for the <opengraph> tag.
*
* This tag is dual-purpose. By specifying the "type" attribute, the type
* of Open Graph object represented by the wiki page can be set. The
* additional attributes set the <meta> properties for the object. Even
* if "type" isn't specified, the other attributes can still be used to
* override the default properties.
*
* If the "action" attribute is given, this tag will render a link that,
* when clicked, adds an action to the Facebook user's Timeline with the
* wiki page as the target object. If no action is given, $innertext is
* discarded.
*/
public static function parserHook($innertext, array $args, Parser $parser, PPFrame $frame)
{
global $wgFbOpenGraph, $wgFbOpenGraphCustomObjects;
if (empty($wgFbOpenGraph) || empty($wgFbOpenGraphCustomObjects)) {
return '';
// Open Graph is disabled for this wiki
}
if (isset($args['action'])) {
$action = $args['action'];
unset($args['action']);
} else {
$action = '';
}
if (count($args)) {
foreach ($args as $key => $value) {
// Expand template arguments
$value = trim($parser->replaceVariables($value, $frame));
// Check if $value is a wiki link
if (substr($value, 0, 2) == '[[') {
$resolved = $parser->replaceInternalLinks($value);
$parser->replaceLinkHolders($resolved);
preg_match('/^<a\\b[^<>]*?\\bhref=("[^"]*"|\'[^\']*\')/', $resolved, $matches);
if (count($matches) >= 2) {
global $wgServer;
// strip quotes
$matches[1] = substr($matches[1], 1, strlen($matches[1]) - 2);
$url = $wgServer . $matches[1];
}
}
$value = !empty($url) ? $url : $parser->recursiveTagParse($value, $frame);
$args[$key] = htmlspecialchars($value);
}
self::registerProperties($parser->getTitle(), $args);
}
// TODO: Insert a placeholder so that actions can be placed above type definitions on the page
if ($action != '') {
// See if the action is available for the object type
$object = self::newObjectFromTitle($parser->getTitle());
$actions = $object->getCustomActions();
if (count($actions) && in_array($action, $actions)) {
// Let the page know it should load the actions module
global $wgVersion;
if (version_compare($wgVersion, '1.17', '>=')) {
global $wgOut;
$wgOut->addModules('ext.facebook.actions');
}
$innertext = htmlspecialchars($parser->replaceVariables($innertext, $frame));
return '<a href="#" class="mw-facebook-logo opengraph-action opengraph-action-' . $action . '">' . $innertext . '</a>';
}
}
return '';
}
function wfCOQuestionBoxRender($input, $argv, Parser $parser)
{
global $wgUser;
if (wfReadOnly() || !$wgUser->isAllowed('edit') || $wgUser->isBlocked()) {
return '';
}
$submit = SpecialPage::getTitleFor("NewCommentsOnlyQuestion")->getLocalURL();
$text = '';
$width = 100;
//TODO read params from input
$label = wfMsgHtml('comments-only-new-thread');
$output = <<<ENDFORM
<div class="questionbox">
<form name="questionbox" action="{$submit}" method="get" class="questionboxForm">
<input class="questionboxInput" name="question" type="text" value="{$text}" size="{$width}"/>
<input type='submit' name="create" class="questionboxButton" value="{$label}"/>
</form></div>
ENDFORM;
return $parser->replaceVariables($output);
}
function parseArticleText($text)
{
if ($text === '') {
return '';
} else {
if ($this->mExpandTemplates) {
global $wgTitle;
$parser = new Parser();
$parser->Options(new ParserOptions());
// We don't want this to be user-specific
$parser->Title($wgTitle);
$parser->OutputType(OT_HTML);
return $parser->replaceVariables($text);
} else {
return $text;
}
}
}
protected function parse($wikitext, $params, $newline = false)
{
$withVars = $this->parser->replaceVariables($wikitext, $this->parser->getPreprocessor()->newCustomFrame($params));
$parserOutput = $this->parser->parse($withVars, $this->parser->getTitle(), $this->parser->getOptions(), $newline);
return preg_replace('|{{{.*}}}|Us', '', preg_replace('|[\\n\\r]|Us', '', $parserOutput->getText()));
}
function MwRdfInPage($article)
{
$text = $article->getContent(true);
$parser = new Parser();
$text = $parser->preprocess($text, $article->mTitle, new ParserOptions());
preg_match_all("@<rdf>(.*?)</rdf>@s", $text, $matches, PREG_PATTERN_ORDER);
$content = $matches[1];
$rdf = implode(' ', array_values($content));
$model = null;
if (strlen($rdf) > 0) {
$parser->mOutputType = OT_HTML;
$rdf = $parser->replaceVariables($rdf);
global $default_prefixes, $wgRdfNamespaces;
require_once RDFAPI_INCLUDE_DIR . PACKAGE_SYNTAX_N3;
$parser = new N3Parser();
$parser->baseURI = $article->mTitle->getFullURL();
$prefixes = array_merge($default_prefixes, $wgRdfNamespaces, MwRdfNamespacePrefixes());
$prelude = "";
foreach ($prefixes as $prefix => $uri) {
$prelude .= "@prefix {$prefix}: <{$uri}> .\n";
}
# XXX: set correct properties
$model = $parser->parse2model($prelude . $rdf);
if ($model === false) {
global $RDFS_comment;
$model = ModelFactory::getDefaultModel();
$model->add(new Statement(MwRdfArticleResource($article), $RDFS_comment, MwRdfLiteral("Error parsing in-page RDF: " . $parser->errors[0] . "\n code here: \n '" . $prelude . $rdf . "'", null, "en")));
} else {
# To make it unique, we unite with an empty model
$fake = new MemModel();
$model =& $fake->unite($model);
}
}
return $model;
}
/**
* Renrder the spark div.
*
* @since 0.1
*
* @param Parser $parser
*
* @return string
*/
public function render(Parser $parser, $frame)
{
global $wgVersion;
global $wgOut;
global $egSparkScriptPath;
global $wgResourceModules;
// What is loaded already?
static $loadedJsses = array();
wfDebugLog('myextension', 'Parameters alright? ' . print_r($this->parameters, true));
if (array_key_exists(egSparkQuery, $this->parameters)) {
$query = htmlspecialchars($this->parameters[egSparkQuery]);
// Before that, shall we allow internal parse, at least for the query?
// We replace variables, templates etc.
$query = $parser->replaceVariables($query, $frame);
//$query = $parser->recursiveTagParse( $query );
// Replace special characters
$query = str_replace(array('<', '>'), array('<', '>'), $query);
unset($this->parameters[egSparkQuery]);
// Depending on the format, we possibly need to add modules
if (array_key_exists(egSparkFormat, $this->parameters)) {
$format = htmlspecialchars($this->parameters[egSparkFormat]);
// Remove everything before "spark.XXX"
$format = substr($format, strpos($format, "spark."));
// Remove .js at the end
$format = str_replace(array('.js'), array(''), $format);
$module = 'ext.' . $format;
// for older versions of MW, different
if (version_compare($wgVersion, '1.17', '<')) {
if (isset($wgResourceModules) && array_key_exists($module, $wgResourceModules)) {
// only if not already loaded
if (!isset($loadedJsses[$module])) {
// scripts
foreach ($wgResourceModules[$module]['scripts'] as $script) {
$wgOut->addScript('<script src="' . $egSparkScriptPath . "/" . $script . '" type="text/javascript"></script>');
wfDebugLog('spark', "AddScript:" . ' <script src="' . $egSparkScriptPath . "/" . $script . '" type="text/javascript"></script>');
}
// css
foreach ($wgResourceModules[$module]['styles'] as $style) {
$wgOut->addScript('<link rel="stylesheet" href="' . $egSparkScriptPath . "/" . $style . '" type="text/css" />');
wfDebugLog('spark', "AddLink:" . ' <link rel="stylesheet" href="' . $egSparkScriptPath . "/" . $style . '" type="text/css" />');
}
$loadedJsses[$module] = true;
}
}
} else {
// $wgResourceModules might not exist
if (isset($wgResourceModules) && array_key_exists($module, $wgResourceModules)) {
// TODO: Do we need to check, whether module has been added already?
$parser->getOutput()->addModules($module);
}
}
}
$html = '<div class="spark" data-spark-query="' . $query . '" ' . Html::expandAttributes($this->parameters) . ' >' . (is_null($this->contents) ? '' : htmlspecialchars($this->contents)) . '</div>';
// In MW 1.17 there seems to be the problem that ? after an empty space is replaced by a non-breaking space ( ) Therefore we remove all spaces before ? which should still make the SPARQL query work
$html = preg_replace('/[ \\t]+(\\?)/', '$1', $html);
// for older versions of MW, different
if (version_compare($wgVersion, '1.17', '<')) {
$parser->disableCache();
return $html;
} else {
return array($parser->insertStripItem($html, $parser->mStripState), 'noparse' => true, 'isHTML' => true);
}
} else {
return Html::element('i', array(), wfMsg('spark-missing-query'));
}
}
