/**
* Render the inline difference between two revisions
* using InlineDiffEngine
*/
function showDiff()
{
$ctx = MobileContext::singleton();
$prevId = $this->prevRev ? $this->prevRev->getId() : 0;
$unhide = (bool) $this->getRequest()->getVal('unhide');
$contentHandler = $this->rev->getContentHandler();
$de = $contentHandler->createDifferenceEngine($this->getContext(), $prevId, $this->revId);
// HACK:
if (get_class($de) == 'DifferenceEngine') {
$de = new $this->diffClass($this->getContext(), $prevId, $this->revId, 0, false, $unhide);
} else {
$de->showDiffPage();
return;
}
$this->mDiffEngine = $de;
$diff = $de->getDiffBody();
if (!$prevId) {
$audience = $unhide ? Revision::FOR_THIS_USER : Revision::FOR_PUBLIC;
$diff = '<ins>' . nl2br(htmlspecialchars($this->rev->getText($audience))) . '</ins>';
}
$warnings = $de->getWarningMessageText();
if ($warnings) {
$warnings = MobileUI::warningBox($warnings);
}
$this->getOutput()->addHtml($warnings . '<div id="mw-mf-minidiff">' . $diff . '</div>');
$prev = $this->rev->getPrevious();
$next = $this->rev->getNext();
if ($prev || $next) {
$history = Html::openElement('ul', array('class' => 'hlist revision-history-links'));
if ($prev) {
$history .= Html::openElement('li') . Html::element('a', array('href' => SpecialPage::getTitleFor('MobileDiff', $prev->getId())->getLocalUrl()), $this->msg('previousdiff')) . Html::closeElement('li');
}
if ($next) {
$history .= Html::openElement('li') . Html::element('a', array('href' => SpecialPage::getTitleFor('MobileDiff', $next->getId())->getLocalUrl()), $this->msg('nextdiff')) . Html::closeElement('li');
}
$history .= Html::closeElement('ul');
$this->getOutput()->addHtml($history);
}
}
/**
* Get the content that needs to be saved in order to undo all revisions
* between $undo and $undoafter. Revisions must belong to the same page,
* must exist and must not be deleted
* @param $undo Revision
* @param $undoafter Revision Must be an earlier revision than $undo
* @return mixed string on success, false on failure
* @since 1.21
* Before we had the Content object, this was done in getUndoText
*/
public function getUndoContent( Revision $undo, Revision $undoafter = null ) {
$handler = $undo->getContentHandler();
return $handler->getUndoContent( $this->getRevision(), $undo, $undoafter );
}
/**
* Build a diff display between this and the previous either deleted
* or non-deleted edit.
*
* @param Revision $previousRev
* @param Revision $currentRev
* @return string HTML
*/
function showDiff($previousRev, $currentRev)
{
$diffContext = clone $this->getContext();
$diffContext->setTitle($currentRev->getTitle());
$diffContext->setWikiPage(WikiPage::factory($currentRev->getTitle()));
$diffEngine = $currentRev->getContentHandler()->createDifferenceEngine($diffContext);
$diffEngine->showDiffStyle();
$formattedDiff = $diffEngine->generateContentDiffBody($previousRev->getContent(Revision::FOR_THIS_USER, $this->getUser()), $currentRev->getContent(Revision::FOR_THIS_USER, $this->getUser()));
$formattedDiff = $diffEngine->addHeader($formattedDiff, $this->diffHeader($previousRev, 'o'), $this->diffHeader($currentRev, 'n'));
$this->getOutput()->addHTML("<div>{$formattedDiff}</div>\n");
}
/**
* @param $title Title
* @param $revision Revision
* @param $fname string
* @return void
*/
public static function runForTitleInternal(Title $title, Revision $revision, $fname)
{
wfProfileIn($fname);
$content = $revision->getContent(Revision::RAW);
if (!$content) {
// if there is no content, pretend the content is empty
$content = $revision->getContentHandler()->makeEmptyContent();
}
// Revision ID must be passed to the parser output to get revision variables correct
$parserOutput = $content->getParserOutput($title, $revision->getId(), null, false);
$updates = $content->getSecondaryDataUpdates($title, null, false, $parserOutput);
DataUpdate::runUpdates($updates);
InfoAction::invalidateCache($title);
wfProfileOut($fname);
}
/**
* Extract information from the Revision
*
* @param Revision $revision
* @param object $row Should have a field 'ts_tags' if $this->fld_tags is set
* @return array
*/
protected function extractRevisionInfo(Revision $revision, $row)
{
$title = $revision->getTitle();
$user = $this->getUser();
$vals = array();
$anyHidden = false;
if ($this->fld_ids) {
$vals['revid'] = intval($revision->getId());
if (!is_null($revision->getParentId())) {
$vals['parentid'] = intval($revision->getParentId());
}
}
if ($this->fld_flags) {
$vals['minor'] = $revision->isMinor();
}
if ($this->fld_user || $this->fld_userid) {
if ($revision->isDeleted(Revision::DELETED_USER)) {
$vals['userhidden'] = true;
$anyHidden = true;
}
if ($revision->userCan(Revision::DELETED_USER, $user)) {
if ($this->fld_user) {
$vals['user'] = $revision->getUserText(Revision::RAW);
}
$userid = $revision->getUser(Revision::RAW);
if (!$userid) {
$vals['anon'] = true;
}
if ($this->fld_userid) {
$vals['userid'] = $userid;
}
}
}
if ($this->fld_timestamp) {
$vals['timestamp'] = wfTimestamp(TS_ISO_8601, $revision->getTimestamp());
}
if ($this->fld_size) {
if (!is_null($revision->getSize())) {
$vals['size'] = intval($revision->getSize());
} else {
$vals['size'] = 0;
}
}
if ($this->fld_sha1) {
if ($revision->isDeleted(Revision::DELETED_TEXT)) {
$vals['sha1hidden'] = true;
$anyHidden = true;
}
if ($revision->userCan(Revision::DELETED_TEXT, $user)) {
if ($revision->getSha1() != '') {
$vals['sha1'] = wfBaseConvert($revision->getSha1(), 36, 16, 40);
} else {
$vals['sha1'] = '';
}
}
}
if ($this->fld_contentmodel) {
$vals['contentmodel'] = $revision->getContentModel();
}
if ($this->fld_comment || $this->fld_parsedcomment) {
if ($revision->isDeleted(Revision::DELETED_COMMENT)) {
$vals['commenthidden'] = true;
$anyHidden = true;
}
if ($revision->userCan(Revision::DELETED_COMMENT, $user)) {
$comment = $revision->getComment(Revision::RAW);
if ($this->fld_comment) {
$vals['comment'] = $comment;
}
if ($this->fld_parsedcomment) {
$vals['parsedcomment'] = Linker::formatComment($comment, $title);
}
}
}
if ($this->fld_tags) {
if ($row->ts_tags) {
$tags = explode(',', $row->ts_tags);
ApiResult::setIndexedTagName($tags, 'tag');
$vals['tags'] = $tags;
} else {
$vals['tags'] = array();
}
}
$content = null;
global $wgParser;
if ($this->fetchContent) {
$content = $revision->getContent(Revision::FOR_THIS_USER, $this->getUser());
// Expand templates after getting section content because
// template-added sections don't count and Parser::preprocess()
// will have less input
if ($content && $this->section !== false) {
$content = $content->getSection($this->section, false);
if (!$content) {
$this->dieUsage("There is no section {$this->section} in r" . $revision->getId(), 'nosuchsection');
}
}
if ($revision->isDeleted(Revision::DELETED_TEXT)) {
$vals['texthidden'] = true;
$anyHidden = true;
} elseif (!$content) {
$vals['textmissing'] = true;
}
}
if ($this->fld_content && $content) {
$text = null;
if ($this->generateXML) {
if ($content->getModel() === CONTENT_MODEL_WIKITEXT) {
$t = $content->getNativeData();
# note: don't set $text
$wgParser->startExternalParse($title, ParserOptions::newFromContext($this->getContext()), Parser::OT_PREPROCESS);
$dom = $wgParser->preprocessToDom($t);
if (is_callable(array($dom, 'saveXML'))) {
$xml = $dom->saveXML();
} else {
$xml = $dom->__toString();
}
$vals['parsetree'] = $xml;
} else {
$vals['badcontentformatforparsetree'] = true;
$this->setWarning("Conversion to XML is supported for wikitext only, " . $title->getPrefixedDBkey() . " uses content model " . $content->getModel());
}
}
if ($this->expandTemplates && !$this->parseContent) {
#XXX: implement template expansion for all content types in ContentHandler?
if ($content->getModel() === CONTENT_MODEL_WIKITEXT) {
$text = $content->getNativeData();
$text = $wgParser->preprocess($text, $title, ParserOptions::newFromContext($this->getContext()));
} else {
$this->setWarning("Template expansion is supported for wikitext only, " . $title->getPrefixedDBkey() . " uses content model " . $content->getModel());
$vals['badcontentformat'] = true;
$text = false;
}
}
if ($this->parseContent) {
$po = $content->getParserOutput($title, $revision->getId(), ParserOptions::newFromContext($this->getContext()));
$text = $po->getText();
}
if ($text === null) {
$format = $this->contentFormat ? $this->contentFormat : $content->getDefaultFormat();
$model = $content->getModel();
if (!$content->isSupportedFormat($format)) {
$name = $title->getPrefixedDBkey();
$this->setWarning("The requested format {$this->contentFormat} is not " . "supported for content model {$model} used by {$name}");
$vals['badcontentformat'] = true;
$text = false;
} else {
$text = $content->serialize($format);
// always include format and model.
// Format is needed to deserialize, model is needed to interpret.
$vals['contentformat'] = $format;
$vals['contentmodel'] = $model;
}
}
if ($text !== false) {
ApiResult::setContentValue($vals, 'content', $text);
}
}
if ($content && (!is_null($this->diffto) || !is_null($this->difftotext))) {
static $n = 0;
// Number of uncached diffs we've had
if ($n < $this->getConfig()->get('APIMaxUncachedDiffs')) {
$vals['diff'] = array();
$context = new DerivativeContext($this->getContext());
$context->setTitle($title);
$handler = $revision->getContentHandler();
if (!is_null($this->difftotext)) {
$model = $title->getContentModel();
if ($this->contentFormat && !ContentHandler::getForModelID($model)->isSupportedFormat($this->contentFormat)) {
$name = $title->getPrefixedDBkey();
$this->setWarning("The requested format {$this->contentFormat} is not " . "supported for content model {$model} used by {$name}");
$vals['diff']['badcontentformat'] = true;
$engine = null;
} else {
$difftocontent = ContentHandler::makeContent($this->difftotext, $title, $model, $this->contentFormat);
$engine = $handler->createDifferenceEngine($context);
$engine->setContent($content, $difftocontent);
}
} else {
$engine = $handler->createDifferenceEngine($context, $revision->getID(), $this->diffto);
$vals['diff']['from'] = $engine->getOldid();
$vals['diff']['to'] = $engine->getNewid();
}
if ($engine) {
$difftext = $engine->getDiffBody();
ApiResult::setContentValue($vals['diff'], 'body', $difftext);
if (!$engine->wasCacheHit()) {
$n++;
}
}
} else {
$vals['diff']['notcached'] = true;
}
}
if ($anyHidden && $revision->isDeleted(Revision::DELETED_RESTRICTED)) {
$vals['suppressed'] = true;
}
return $vals;
}
/**
* Build a diff display between this and the previous either deleted
* or non-deleted edit.
*
* @param Revision $previousRev
* @param Revision $currentRev
* @return string HTML
*/
function showDiff($previousRev, $currentRev)
{
$diffContext = clone $this->getContext();
$diffContext->setTitle($currentRev->getTitle());
$diffContext->setWikiPage(WikiPage::factory($currentRev->getTitle()));
$diffEngine = $currentRev->getContentHandler()->createDifferenceEngine($diffContext);
$diffEngine->showDiffStyle();
$this->getOutput()->addHTML("<div>" . "<table style='width: 98%;' cellpadding='0' cellspacing='4' class='diff'>" . "<col class='diff-marker' />" . "<col class='diff-content' />" . "<col class='diff-marker' />" . "<col class='diff-content' />" . "<tr>" . "<td colspan='2' style='width: 50%; text-align: center' class='diff-otitle'>" . $this->diffHeader($previousRev, 'o') . "</td>\n" . "<td colspan='2' style='width: 50%; text-align: center' class='diff-ntitle'>" . $this->diffHeader($currentRev, 'n') . "</td>\n" . "</tr>" . $diffEngine->generateContentDiffBody($previousRev->getContent(Revision::FOR_THIS_USER, $this->getUser()), $currentRev->getContent(Revision::FOR_THIS_USER, $this->getUser())) . "</table>" . "</div>\n");
}
