3 * Created on Dec 01, 2007
5 * Copyright © 2007 Yuri Astrakhan <Firstname><Lastname>@gmail.com
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 * http://www.gnu.org/copyleft/gpl.html
25 if ( !defined( 'MEDIAWIKI' ) ) {
26 // Eclipse helper - will be ignored in production
27 require_once( "ApiBase.php" );
33 class ApiParse
extends ApiBase
{
34 private $section, $text, $pstText = null;
36 public function __construct( $main, $action ) {
37 parent
::__construct( $main, $action );
40 public function execute() {
41 // The data is hot but user-dependent, like page views, so we set vary cookies
42 $this->getMain()->setCacheMode( 'anon-public-user-private' );
45 $params = $this->extractRequestParams();
46 $text = $params['text'];
47 $title = $params['title'];
48 $page = $params['page'];
49 $pageid = $params['pageid'];
50 $oldid = $params['oldid'];
52 if ( !is_null( $page ) && ( !is_null( $text ) ||
$title != 'API' ) ) {
53 $this->dieUsage( 'The page parameter cannot be used together with the text and title parameters', 'params' );
55 $prop = array_flip( $params['prop'] );
57 if ( isset( $params['section'] ) ) {
58 $this->section
= $params['section'];
60 $this->section
= false;
63 // The parser needs $wgTitle to be set, apparently the
64 // $title parameter in Parser::parse isn't enough *sigh*
65 global $wgParser, $wgUser, $wgTitle, $wgLang;
67 // Currently unnecessary, code to act as a safeguard against any change in current behaviour of uselang breaks
69 if ( isset( $params['uselang'] ) && $params['uselang'] != $wgLang->getCode() ) {
70 $oldLang = $wgLang; // Backup wgLang
71 $wgLang = Language
::factory( $params['uselang'] );
74 $popts = new ParserOptions();
75 $popts->setTidy( true );
76 $popts->enableLimitReport( !$params['disablepp'] );
81 $result = $this->getResult();
83 if ( !is_null( $oldid ) ||
!is_null( $pageid ) ||
!is_null( $page ) ) {
84 if ( !is_null( $oldid ) ) {
85 // Don't use the parser cache
86 $rev = Revision
::newFromID( $oldid );
88 $this->dieUsage( "There is no revision ID $oldid", 'missingrev' );
90 if ( !$rev->userCan( Revision
::DELETED_TEXT
) ) {
91 $this->dieUsage( "You don't have permission to view deleted revisions", 'permissiondenied' );
94 $titleObj = $rev->getTitle();
98 // If for some reason the "oldid" is actually the current revision, it may be cached
99 if ( $titleObj->getLatestRevID() === intval( $oldid ) ) {
100 $articleObj = new Article( $titleObj, 0 );
102 $p_result = $this->getParsedSectionOrText( $articleObj, $titleObj, $popts, $pageid,
103 isset( $prop['wikitext'] ) ) ;
104 } else { // This is an old revision, so get the text differently
105 $this->text
= $rev->getText( Revision
::FOR_THIS_USER
);
107 $wgTitle = $titleObj;
109 if ( $this->section
!== false ) {
110 $this->text
= $this->getSectionText( $this->text
, 'r' . $rev->getId() );
113 $p_result = $wgParser->parse( $this->text
, $titleObj, $popts );
115 } else { // Not $oldid
116 if ( $params['redirects'] ) {
121 if ( !is_null ( $pageid ) ) {
122 $reqParams['pageids'] = $pageid;
124 $reqParams['titles'] = $page;
126 $req = new FauxRequest( $reqParams );
127 $main = new ApiMain( $req );
129 $data = $main->getResultData();
130 $redirValues = isset( $data['query']['redirects'] )
131 ?
$data['query']['redirects']
134 foreach ( (array)$redirValues as $r ) {
137 $titleObj = Title
::newFromText( $to );
139 if ( !is_null ( $pageid ) ) {
140 $reqParams['pageids'] = $pageid;
141 $titleObj = Title
::newFromID( $pageid );
144 $titleObj = Title
::newFromText( $to );
147 if ( !is_null ( $pageid ) ) {
149 // Still throw nosuchpageid error if pageid was provided
150 $this->dieUsageMsg( array( 'nosuchpageid', $pageid ) );
152 } elseif ( !$titleObj ||
!$titleObj->exists() ) {
153 $this->dieUsage( "The page you specified doesn't exist", 'missingtitle' );
155 $wgTitle = $titleObj;
157 $articleObj = new Article( $titleObj, 0 );
158 if ( isset( $prop['revid'] ) ) {
159 $oldid = $articleObj->getRevIdFetched();
162 $p_result = $this->getParsedSectionOrText( $articleObj, $titleObj, $popts, $pageid,
163 isset( $prop['wikitext'] ) ) ;
165 } else { // Not $oldid, $pageid, $page. Hence based on $text
168 $titleObj = Title
::newFromText( $title );
170 $this->dieUsageMsg( array( 'invalidtitle', $title ) );
172 $wgTitle = $titleObj;
174 if ( $this->section
!== false ) {
175 $this->text
= $this->getSectionText( $this->text
, $titleObj->getText() );
178 if ( $params['pst'] ||
$params['onlypst'] ) {
179 $this->pstText
= $wgParser->preSaveTransform( $this->text
, $titleObj, $wgUser, $popts );
181 if ( $params['onlypst'] ) {
182 // Build a result and bail out
183 $result_array['text'] = array();
184 $result->setContent( $result_array['text'], $this->pstText
);
185 if ( isset( $prop['wikitext'] ) ) {
186 $result_array['wikitext'] = array();
187 $result->setContent( $result_array['wikitext'], $this->text
);
189 $result->addValue( null, $this->getModuleName(), $result_array );
192 $p_result = $wgParser->parse( $params['pst'] ?
$this->pstText
: $this->text
, $titleObj, $popts );
195 $result_array = array();
197 $result_array['title'] = $titleObj->getPrefixedText();
199 if ( !is_null( $oldid ) ) {
200 $result_array['revid'] = intval( $oldid );
203 if ( $params['redirects'] && !is_null( $redirValues ) ) {
204 $result_array['redirects'] = $redirValues;
207 if ( isset( $prop['text'] ) ) {
208 $result_array['text'] = array();
209 $result->setContent( $result_array['text'], $p_result->getText() );
212 if ( !is_null( $params['summary'] ) ) {
213 $result_array['parsedsummary'] = array();
214 $result->setContent( $result_array['parsedsummary'], $wgUser->getSkin()->formatComment( $params['summary'], $titleObj ) );
217 if ( isset( $prop['langlinks'] ) ) {
218 $result_array['langlinks'] = $this->formatLangLinks( $p_result->getLanguageLinks() );
220 if ( isset( $prop['languageshtml'] ) ) {
221 $languagesHtml = $this->languagesHtml( $p_result->getLanguageLinks() );
222 $result_array['languageshtml'] = array();
223 $result->setContent( $result_array['languageshtml'], $languagesHtml );
225 if ( isset( $prop['categories'] ) ) {
226 $result_array['categories'] = $this->formatCategoryLinks( $p_result->getCategories() );
228 if ( isset( $prop['categorieshtml'] ) ) {
229 $categoriesHtml = $this->categoriesHtml( $p_result->getCategories() );
230 $result_array['categorieshtml'] = array();
231 $result->setContent( $result_array['categorieshtml'], $categoriesHtml );
233 if ( isset( $prop['links'] ) ) {
234 $result_array['links'] = $this->formatLinks( $p_result->getLinks() );
236 if ( isset( $prop['templates'] ) ) {
237 $result_array['templates'] = $this->formatLinks( $p_result->getTemplates() );
239 if ( isset( $prop['images'] ) ) {
240 $result_array['images'] = array_keys( $p_result->getImages() );
242 if ( isset( $prop['externallinks'] ) ) {
243 $result_array['externallinks'] = array_keys( $p_result->getExternalLinks() );
245 if ( isset( $prop['sections'] ) ) {
246 $result_array['sections'] = $p_result->getSections();
249 if ( isset( $prop['displaytitle'] ) ) {
250 $result_array['displaytitle'] = $p_result->getDisplayTitle() ?
251 $p_result->getDisplayTitle() :
252 $titleObj->getPrefixedText();
255 if ( isset( $prop['headitems'] ) ||
isset( $prop['headhtml'] ) ) {
256 $context = new RequestContext
;
257 $context->getOutput()->addParserOutputNoText( $p_result );
259 if ( isset( $prop['headitems'] ) ) {
260 $headItems = $this->formatHeadItems( $p_result->getHeadItems() );
262 $context->getSkin()->setupUserCss( $context->getOutput() );
263 $css = $this->formatCss( $context->getOutput()->buildCssLinksArray() );
265 $scripts = array( $context->getOutput()->getHeadScripts( $context->getSkin() ) );
267 $result_array['headitems'] = array_merge( $headItems, $css, $scripts );
270 if ( isset( $prop['headhtml'] ) ) {
271 $result_array['headhtml'] = array();
272 $result->setContent( $result_array['headhtml'], $context->getOutput()->headElement( $context->getSkin() ) );
276 if ( isset( $prop['iwlinks'] ) ) {
277 $result_array['iwlinks'] = $this->formatIWLinks( $p_result->getInterwikiLinks() );
280 if ( isset( $prop['wikitext'] ) ) {
281 $result_array['wikitext'] = array();
282 $result->setContent( $result_array['wikitext'], $this->text
);
283 if ( !is_null( $this->pstText
) ) {
284 $result_array['psttext'] = array();
285 $result->setContent( $result_array['psttext'], $this->pstText
);
289 $result_mapping = array(
292 'categories' => 'cl',
296 'externallinks' => 'el',
301 $this->setIndexedTagNames( $result_array, $result_mapping );
302 $result->addValue( null, $this->getModuleName(), $result_array );
304 if ( !is_null( $oldLang ) ) {
305 $wgLang = $oldLang; // Reset $wgLang to $oldLang
310 * @param $articleObj Article
311 * @param $titleObj Title
312 * @param $popts ParserOptions
314 * @param $getWikitext Bool
315 * @return ParserOutput
317 private function getParsedSectionOrText( $articleObj, $titleObj, $popts, $pageId = null, $getWikitext = false ) {
318 if ( $this->section
!== false ) {
321 $this->text
= $this->getSectionText( $articleObj->getRawText(), !is_null ( $pageId )
322 ?
'page id ' . $pageId : $titleObj->getText() );
324 return $wgParser->parse( $this->text
, $titleObj, $popts );
326 // Try the parser cache first
327 $pout = $articleObj->getParserOutput();
328 if ( $getWikitext ) {
329 $rev = Revision
::newFromTitle( $titleObj );
331 $this->text
= $rev->getText();
338 private function getSectionText( $text, $what ) {
340 $text = $wgParser->getSection( $text, $this->section
, false );
341 if ( $text === false ) {
342 $this->dieUsage( "There is no section {$this->section} in " . $what, 'nosuchsection' );
347 private function formatLangLinks( $links ) {
349 foreach ( $links as $link ) {
351 $bits = explode( ':', $link, 2 );
352 $title = Title
::newFromText( $link );
354 $entry['lang'] = $bits[0];
356 $entry['url'] = wfExpandUrl( $title->getFullURL() );
358 $this->getResult()->setContent( $entry, $bits[1] );
364 private function formatCategoryLinks( $links ) {
366 foreach ( $links as $link => $sortkey ) {
368 $entry['sortkey'] = $sortkey;
369 $this->getResult()->setContent( $entry, $link );
375 private function categoriesHtml( $categories ) {
376 $context = $this->createContext();
377 $context->getOutput()->addCategoryLinks( $categories );
378 return $context->getSkin()->getCategories();
382 * @deprecated since 1.18 No modern skin generates language links this way, please use language links
383 * data to generate your own HTML.
385 private function languagesHtml( $languages ) {
386 global $wgContLang, $wgHideInterlanguageLinks;
388 if ( $wgHideInterlanguageLinks ||
count( $languages ) == 0 ) {
392 $s = htmlspecialchars( wfMsg( 'otherlanguages' ) . wfMsg( 'colon-separator' ) );
395 foreach ( $languages as $l ) {
396 $nt = Title
::newFromText( $l );
397 $text = $wgContLang->getLanguageName( $nt->getInterwiki() );
399 $langs[] = Html
::element( 'a',
400 array( 'href' => $nt->getFullURL(), 'title' => $nt->getText(), 'class' => "external" ),
401 $text == '' ?
$l : $text );
404 $s .= implode( htmlspecialchars( wfMsgExt( 'pipe-separator', 'escapenoentities' ) ), $langs );
406 if ( $wgContLang->isRTL() ) {
407 $s = Html
::rawElement( 'span', array( 'dir' => "LTR" ), $s );
413 private function formatLinks( $links ) {
415 foreach ( $links as $ns => $nslinks ) {
416 foreach ( $nslinks as $title => $id ) {
419 $this->getResult()->setContent( $entry, Title
::makeTitle( $ns, $title )->getFullText() );
421 $entry['exists'] = '';
429 private function formatIWLinks( $iw ) {
431 foreach ( $iw as $prefix => $titles ) {
432 foreach ( array_keys( $titles ) as $title ) {
434 $entry['prefix'] = $prefix;
436 $title = Title
::newFromText( "{$prefix}:{$title}" );
438 $entry['url'] = wfExpandUrl( $title->getFullURL() );
441 $this->getResult()->setContent( $entry, $title->getFullText() );
448 private function formatHeadItems( $headItems ) {
450 foreach ( $headItems as $tag => $content ) {
452 $entry['tag'] = $tag;
453 $this->getResult()->setContent( $entry, $content );
459 private function formatCss( $css ) {
461 foreach ( $css as $file => $link ) {
463 $entry['file'] = $file;
464 $this->getResult()->setContent( $entry, $link );
470 private function setIndexedTagNames( &$array, $mapping ) {
471 foreach ( $mapping as $key => $name ) {
472 if ( isset( $array[$key] ) ) {
473 $this->getResult()->setIndexedTagName( $array[$key], $name );
478 public function getAllowedParams() {
481 ApiBase
::PARAM_DFLT
=> 'API',
487 ApiBase
::PARAM_TYPE
=> 'integer',
489 'redirects' => false,
491 ApiBase
::PARAM_TYPE
=> 'integer',
494 ApiBase
::PARAM_DFLT
=> 'text|langlinks|categories|links|templates|images|externallinks|sections|revid|displaytitle',
495 ApiBase
::PARAM_ISMULTI
=> true,
496 ApiBase
::PARAM_TYPE
=> array(
519 'disablepp' => false,
523 public function getParamDescription() {
524 $p = $this->getModulePrefix();
526 'text' => 'Wikitext to parse',
527 'summary' => 'Summary to parse',
528 'redirects' => "If the {$p}page or the {$p}pageid parameter is set to a redirect, resolve it",
529 'title' => 'Title of page the text belongs to',
530 'page' => "Parse the content of this page. Cannot be used together with {$p}text and {$p}title",
531 'pageid' => "Parse the content of this page. Overrides {$p}page",
532 'oldid' => "Parse the content of this revision. Overrides {$p}page and {$p}pageid",
534 'Which pieces of information to get',
535 ' text - Gives the parsed text of the wikitext',
536 ' langlinks - Gives the language links in the parsed wikitext',
537 ' categories - Gives the categories in the parsed wikitext',
538 ' categorieshtml - Gives the HTML version of the categories',
539 ' languageshtml - Gives the HTML version of the language links',
540 ' links - Gives the internal links in the parsed wikitext',
541 ' templates - Gives the templates in the parsed wikitext',
542 ' images - Gives the images in the parsed wikitext',
543 ' externallinks - Gives the external links in the parsed wikitext',
544 ' sections - Gives the sections in the parsed wikitext',
545 ' revid - Adds the revision ID of the parsed page',
546 ' displaytitle - Adds the title of the parsed wikitext',
547 ' headitems - Gives items to put in the <head> of the page',
548 ' headhtml - Gives parsed <head> of the page',
549 ' iwlinks - Gives interwiki links in the parsed wikitext',
550 ' wikitext - Gives the original wikitext that was parsed',
553 'Do a pre-save transform on the input before parsing it',
554 'Ignored if page, pageid or oldid is used'
557 'Do a pre-save transform (PST) on the input, but don\'t parse it',
558 'Returns the same wikitext, after a PST has been applied. Ignored if page, pageid or oldid is used'
560 'uselang' => 'Which language to parse the request in',
561 'section' => 'Only retrieve the content of this section number',
562 'disablepp' => 'Disable the PP Report from the parser output',
566 public function getDescription() {
567 return 'Parses wikitext and returns parser output';
570 public function getPossibleErrors() {
571 return array_merge( parent
::getPossibleErrors(), array(
572 array( 'code' => 'params', 'info' => 'The page parameter cannot be used together with the text and title parameters' ),
573 array( 'code' => 'missingrev', 'info' => 'There is no revision ID oldid' ),
574 array( 'code' => 'permissiondenied', 'info' => 'You don\'t have permission to view deleted revisions' ),
575 array( 'code' => 'missingtitle', 'info' => 'The page you specified doesn\'t exist' ),
576 array( 'code' => 'nosuchsection', 'info' => 'There is no section sectionnumber in page' ),
577 array( 'nosuchpageid' ),
578 array( 'invalidtitle', 'title' ),
582 protected function getExamples() {
584 'api.php?action=parse&text={{Project:Sandbox}}'
588 public function getVersion() {
589 return __CLASS__
. ': $Id$';