includes/api/ApiParse.php

   1 <?php
   2 /**
   3  * Created on Dec 01, 2007
   4  *
   5  * Copyright © 2007 Yuri Astrakhan "<Firstname><Lastname>@gmail.com"
   6  *
   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.
  11  *
  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.
  16  *
  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
  21  *
  22  * @file
  23  */
  24
  25 /**
  26  * @ingroup API
  27  */
  28 class ApiParse extends ApiBase {
  29
  30         /** @var string $section */
  31         private $section = null;
  32
  33         /** @var Content $content */
  34         private $content = null;
  35
  36         /** @var Content $pstContent */
  37         private $pstContent = null;
  38
  39         public function execute() {
  40                 // The data is hot but user-dependent, like page views, so we set vary cookies
  41                 $this->getMain()->setCacheMode( 'anon-public-user-private' );
  42
  43                 // Get parameters
  44                 $params = $this->extractRequestParams();
  45                 $text = $params['text'];
  46                 $title = $params['title'];
  47                 if ( $title === null ) {
  48                         $titleProvided = false;
  49                         // A title is needed for parsing, so arbitrarily choose one
  50                         $title = 'API';
  51                 } else {
  52                         $titleProvided = true;
  53                 }
  54
  55                 $page = $params['page'];
  56                 $pageid = $params['pageid'];
  57                 $oldid = $params['oldid'];
  58
  59                 $model = $params['contentmodel'];
  60                 $format = $params['contentformat'];
  61
  62                 if ( !is_null( $page ) && ( !is_null( $text ) || $titleProvided ) ) {
  63                         $this->dieUsage(
  64                                 'The page parameter cannot be used together with the text and title parameters',
  65                                 'params'
  66                         );
  67                 }
  68
  69                 $prop = array_flip( $params['prop'] );
  70
  71                 if ( isset( $params['section'] ) ) {
  72                         $this->section = $params['section'];
  73                         if ( !preg_match( '/^((T-)?\d+|new)$/', $this->section ) ) {
  74                                 $this->dieUsage(
  75                                         "The section parameter must be a valid section id or 'new'", "invalidsection"
  76                                 );
  77                         }
  78                 } else {
  79                         $this->section = false;
  80                 }
  81
  82                 // The parser needs $wgTitle to be set, apparently the
  83                 // $title parameter in Parser::parse isn't enough *sigh*
  84                 // TODO: Does this still need $wgTitle?
  85                 global $wgParser, $wgTitle;
  86
  87                 $redirValues = null;
  88
  89                 // Return result
  90                 $result = $this->getResult();
  91
  92                 if ( !is_null( $oldid ) || !is_null( $pageid ) || !is_null( $page ) ) {
  93                         if ( $this->section === 'new' ) {
  94                                         $this->dieUsage(
  95                                                 'section=new cannot be combined with oldid, pageid or page parameters. ' .
  96                                                 'Please use text', 'params'
  97                                         );
  98                         }
  99                         if ( !is_null( $oldid ) ) {
 100                                 // Don't use the parser cache
 101                                 $rev = Revision::newFromId( $oldid );
 102                                 if ( !$rev ) {
 103                                         $this->dieUsage( "There is no revision ID $oldid", 'missingrev' );
 104                                 }
 105                                 if ( !$rev->userCan( Revision::DELETED_TEXT, $this->getUser() ) ) {
 106                                         $this->dieUsage( "You don't have permission to view deleted revisions", 'permissiondenied' );
 107                                 }
 108
 109                                 $titleObj = $rev->getTitle();
 110                                 $wgTitle = $titleObj;
 111                                 $pageObj = WikiPage::factory( $titleObj );
 112                                 $popts = $this->makeParserOptions( $pageObj, $params );
 113
 114                                 // If for some reason the "oldid" is actually the current revision, it may be cached
 115                                 // Deliberately comparing $pageObj->getLatest() with $rev->getId(), rather than
 116                                 // checking $rev->isCurrent(), because $pageObj is what actually ends up being used,
 117                                 // and if its ->getLatest() is outdated, $rev->isCurrent() won't tell us that.
 118                                 if ( $rev->getId() == $pageObj->getLatest() ) {
 119                                         // May get from/save to parser cache
 120                                         $p_result = $this->getParsedContent( $pageObj, $popts,
 121                                                 $pageid, isset( $prop['wikitext'] ) );
 122                                 } else { // This is an old revision, so get the text differently
 123                                         $this->content = $rev->getContent( Revision::FOR_THIS_USER, $this->getUser() );
 124
 125                                         if ( $this->section !== false ) {
 126                                                 $this->content = $this->getSectionContent( $this->content, 'r' . $rev->getId() );
 127                                         }
 128
 129                                         // Should we save old revision parses to the parser cache?
 130                                         $p_result = $this->content->getParserOutput( $titleObj, $rev->getId(), $popts );
 131                                 }
 132                         } else { // Not $oldid, but $pageid or $page
 133                                 if ( $params['redirects'] ) {
 134                                         $reqParams = array(
 135                                                 'redirects' => '',
 136                                         );
 137                                         if ( !is_null( $pageid ) ) {
 138                                                 $reqParams['pageids'] = $pageid;
 139                                         } else { // $page
 140                                                 $reqParams['titles'] = $page;
 141                                         }
 142                                         $req = new FauxRequest( $reqParams );
 143                                         $main = new ApiMain( $req );
 144                                         $pageSet = new ApiPageSet( $main );
 145                                         $pageSet->execute();
 146                                         $redirValues = $pageSet->getRedirectTitlesAsResult( $this->getResult() );
 147
 148                                         $to = $page;
 149                                         foreach ( $pageSet->getRedirectTitles() as $title ) {
 150                                                 $to = $title->getFullText();
 151                                         }
 152                                         $pageParams = array( 'title' => $to );
 153                                 } elseif ( !is_null( $pageid ) ) {
 154                                         $pageParams = array( 'pageid' => $pageid );
 155                                 } else { // $page
 156                                         $pageParams = array( 'title' => $page );
 157                                 }
 158
 159                                 $pageObj = $this->getTitleOrPageId( $pageParams, 'fromdb' );
 160                                 $titleObj = $pageObj->getTitle();
 161                                 if ( !$titleObj || !$titleObj->exists() ) {
 162                                         $this->dieUsage( "The page you specified doesn't exist", 'missingtitle' );
 163                                 }
 164                                 $wgTitle = $titleObj;
 165
 166                                 if ( isset( $prop['revid'] ) ) {
 167                                         $oldid = $pageObj->getLatest();
 168                                 }
 169
 170                                 $popts = $this->makeParserOptions( $pageObj, $params );
 171
 172                                 // Potentially cached
 173                                 $p_result = $this->getParsedContent( $pageObj, $popts, $pageid,
 174                                         isset( $prop['wikitext'] ) );
 175                         }
 176                 } else { // Not $oldid, $pageid, $page. Hence based on $text
 177                         $titleObj = Title::newFromText( $title );
 178                         if ( !$titleObj || $titleObj->isExternal() ) {
 179                                 $this->dieUsageMsg( array( 'invalidtitle', $title ) );
 180                         }
 181                         $wgTitle = $titleObj;
 182                         if ( $titleObj->canExist() ) {
 183                                 $pageObj = WikiPage::factory( $titleObj );
 184                         } else {
 185                                 // Do like MediaWiki::initializeArticle()
 186                                 $article = Article::newFromTitle( $titleObj, $this->getContext() );
 187                                 $pageObj = $article->getPage();
 188                         }
 189
 190                         $popts = $this->makeParserOptions( $pageObj, $params );
 191                         $textProvided = !is_null( $text );
 192
 193                         if ( !$textProvided ) {
 194                                 if ( $titleProvided && ( $prop || $params['generatexml'] ) ) {
 195                                         $this->setWarning(
 196                                                 "'title' used without 'text', and parsed page properties were requested " .
 197                                                 "(did you mean to use 'page' instead of 'title'?)"
 198                                         );
 199                                 }
 200                                 // Prevent warning from ContentHandler::makeContent()
 201                                 $text = '';
 202                         }
 203
 204                         // If we are parsing text, do not use the content model of the default
 205                         // API title, but default to wikitext to keep BC.
 206                         if ( $textProvided && !$titleProvided && is_null( $model ) ) {
 207                                 $model = CONTENT_MODEL_WIKITEXT;
 208                                 $this->setWarning( "No 'title' or 'contentmodel' was given, assuming $model." );
 209                         }
 210
 211                         try {
 212                                 $this->content = ContentHandler::makeContent( $text, $titleObj, $model, $format );
 213                         } catch ( MWContentSerializationException $ex ) {
 214                                 $this->dieUsage( $ex->getMessage(), 'parseerror' );
 215                         }
 216
 217                         if ( $this->section !== false ) {
 218                                 if ( $this->section === 'new' ) {
 219                                         // Insert the section title above the content.
 220                                         if ( !is_null( $params['sectiontitle'] ) && $params['sectiontitle'] !== '' ) {
 221                                                 $this->content = $this->content->addSectionHeader( $params['sectiontitle'] );
 222                                         }
 223                                 } else {
 224                                         $this->content = $this->getSectionContent( $this->content, $titleObj->getPrefixedText() );
 225                                 }
 226                         }
 227
 228                         if ( $params['pst'] || $params['onlypst'] ) {
 229                                 $this->pstContent = $this->content->preSaveTransform( $titleObj, $this->getUser(), $popts );
 230                         }
 231                         if ( $params['onlypst'] ) {
 232                                 // Build a result and bail out
 233                                 $result_array = array();
 234                                 $result_array['text'] = $this->pstContent->serialize( $format );
 235                                 $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'text';
 236                                 if ( isset( $prop['wikitext'] ) ) {
 237                                         $result_array['wikitext'] = $this->content->serialize( $format );
 238                                         $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'wikitext';
 239                                 }
 240                                 if ( !is_null( $params['summary'] ) ||
 241                                         ( !is_null( $params['sectiontitle'] ) && $this->section === 'new' )
 242                                 ) {
 243                                         $result_array['parsedsummary'] = $this->formatSummary( $titleObj, $params );
 244                                         $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'parsedsummary';
 245                                 }
 246
 247                                 $result->addValue( null, $this->getModuleName(), $result_array );
 248
 249                                 return;
 250                         }
 251
 252                         // Not cached (save or load)
 253                         if ( $params['pst'] ) {
 254                                 $p_result = $this->pstContent->getParserOutput( $titleObj, null, $popts );
 255                         } else {
 256                                 $p_result = $this->content->getParserOutput( $titleObj, null, $popts );
 257                         }
 258                 }
 259
 260                 $result_array = array();
 261
 262                 $result_array['title'] = $titleObj->getPrefixedText();
 263
 264                 if ( !is_null( $oldid ) ) {
 265                         $result_array['revid'] = intval( $oldid );
 266                 }
 267
 268                 if ( $params['redirects'] && !is_null( $redirValues ) ) {
 269                         $result_array['redirects'] = $redirValues;
 270                 }
 271
 272                 if ( $params['disabletoc'] ) {
 273                         $p_result->setTOCEnabled( false );
 274                 }
 275
 276                 if ( isset( $prop['text'] ) ) {
 277                         $result_array['text'] = $p_result->getText();
 278                         $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'text';
 279                 }
 280
 281                 if ( !is_null( $params['summary'] ) ||
 282                         ( !is_null( $params['sectiontitle'] ) && $this->section === 'new' )
 283                 ) {
 284                         $result_array['parsedsummary'] = $this->formatSummary( $titleObj, $params );
 285                         $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'parsedsummary';
 286                 }
 287
 288                 if ( isset( $prop['langlinks'] ) ) {
 289                         $langlinks = $p_result->getLanguageLinks();
 290
 291                         if ( $params['effectivelanglinks'] ) {
 292                                 // Link flags are ignored for now, but may in the future be
 293                                 // included in the result.
 294                                 $linkFlags = array();
 295                                 Hooks::run( 'LanguageLinks', array( $titleObj, &$langlinks, &$linkFlags ) );
 296                         }
 297                 } else {
 298                         $langlinks = false;
 299                 }
 300
 301                 if ( isset( $prop['langlinks'] ) ) {
 302                         $result_array['langlinks'] = $this->formatLangLinks( $langlinks );
 303                 }
 304                 if ( isset( $prop['categories'] ) ) {
 305                         $result_array['categories'] = $this->formatCategoryLinks( $p_result->getCategories() );
 306                 }
 307                 if ( isset( $prop['categorieshtml'] ) ) {
 308                         $result_array['categorieshtml'] = $this->categoriesHtml( $p_result->getCategories() );
 309                         $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'categorieshtml';
 310                 }
 311                 if ( isset( $prop['links'] ) ) {
 312                         $result_array['links'] = $this->formatLinks( $p_result->getLinks() );
 313                 }
 314                 if ( isset( $prop['templates'] ) ) {
 315                         $result_array['templates'] = $this->formatLinks( $p_result->getTemplates() );
 316                 }
 317                 if ( isset( $prop['images'] ) ) {
 318                         $result_array['images'] = array_keys( $p_result->getImages() );
 319                 }
 320                 if ( isset( $prop['externallinks'] ) ) {
 321                         $result_array['externallinks'] = array_keys( $p_result->getExternalLinks() );
 322                 }
 323                 if ( isset( $prop['sections'] ) ) {
 324                         $result_array['sections'] = $p_result->getSections();
 325                 }
 326
 327                 if ( isset( $prop['displaytitle'] ) ) {
 328                         $result_array['displaytitle'] = $p_result->getDisplayTitle() ?
 329                                 $p_result->getDisplayTitle() :
 330                                 $titleObj->getPrefixedText();
 331                 }
 332
 333                 if ( isset( $prop['headitems'] ) || isset( $prop['headhtml'] ) ) {
 334                         $context = $this->getContext();
 335                         $context->setTitle( $titleObj );
 336                         $context->getOutput()->addParserOutputMetadata( $p_result );
 337
 338                         if ( isset( $prop['headitems'] ) ) {
 339                                 $headItems = $this->formatHeadItems( $p_result->getHeadItems() );
 340
 341                                 $css = $this->formatCss( $context->getOutput()->buildCssLinksArray() );
 342
 343                                 $scripts = array( $context->getOutput()->getHeadScripts() );
 344
 345                                 $result_array['headitems'] = array_merge( $headItems, $css, $scripts );
 346                         }
 347
 348                         if ( isset( $prop['headhtml'] ) ) {
 349                                 $result_array['headhtml'] = $context->getOutput()->headElement( $context->getSkin() );
 350                                 $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'headhtml';
 351                         }
 352                 }
 353
 354                 if ( isset( $prop['modules'] ) ) {
 355                         $result_array['modules'] = array_values( array_unique( $p_result->getModules() ) );
 356                         $result_array['modulescripts'] = array_values( array_unique( $p_result->getModuleScripts() ) );
 357                         $result_array['modulestyles'] = array_values( array_unique( $p_result->getModuleStyles() ) );
 358                         // To be removed in 1.27
 359                         $result_array['modulemessages'] = array();
 360                         $this->setWarning( 'modulemessages is deprecated since MediaWiki 1.26' );
 361                 }
 362
 363                 if ( isset( $prop['jsconfigvars'] ) ) {
 364                         $result_array['jsconfigvars'] =
 365                                 ApiResult::addMetadataToResultVars( $p_result->getJsConfigVars() );
 366                 }
 367
 368                 if ( isset( $prop['encodedjsconfigvars'] ) ) {
 369                         $result_array['encodedjsconfigvars'] = FormatJson::encode(
 370                                 $p_result->getJsConfigVars(), false, FormatJson::ALL_OK
 371                         );
 372                         $result_array[ApiResult::META_SUBELEMENTS][] = 'encodedjsconfigvars';
 373                 }
 374
 375                 if ( isset( $prop['modules'] ) &&
 376                         !isset( $prop['jsconfigvars'] ) && !isset( $prop['encodedjsconfigvars'] ) ) {
 377                         $this->setWarning( "Property 'modules' was set but not 'jsconfigvars' " .
 378                                 "or 'encodedjsconfigvars'. Configuration variables are necessary " .
 379                                 "for proper module usage.");
 380                 }
 381
 382                 if ( isset( $prop['indicators'] ) ) {
 383                         $result_array['indicators'] = (array)$p_result->getIndicators();
 384                         ApiResult::setArrayType( $result_array['indicators'], 'BCkvp', 'name' );
 385                 }
 386
 387                 if ( isset( $prop['iwlinks'] ) ) {
 388                         $result_array['iwlinks'] = $this->formatIWLinks( $p_result->getInterwikiLinks() );
 389                 }
 390
 391                 if ( isset( $prop['wikitext'] ) ) {
 392                         $result_array['wikitext'] = $this->content->serialize( $format );
 393                         $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'wikitext';
 394                         if ( !is_null( $this->pstContent ) ) {
 395                                 $result_array['psttext'] = $this->pstContent->serialize( $format );
 396                                 $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'psttext';
 397                         }
 398                 }
 399                 if ( isset( $prop['properties'] ) ) {
 400                         $result_array['properties'] = (array)$p_result->getProperties();
 401                         ApiResult::setArrayType( $result_array['properties'], 'BCkvp', 'name' );
 402                 }
 403
 404                 if ( isset( $prop['limitreportdata'] ) ) {
 405                         $result_array['limitreportdata'] =
 406                                 $this->formatLimitReportData( $p_result->getLimitReportData() );
 407                 }
 408                 if ( isset( $prop['limitreporthtml'] ) ) {
 409                         $result_array['limitreporthtml'] = EditPage::getPreviewLimitReport( $p_result );
 410                         $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'limitreporthtml';
 411                 }
 412
 413                 if ( $params['generatexml'] ) {
 414                         if ( $this->content->getModel() != CONTENT_MODEL_WIKITEXT ) {
 415                                 $this->dieUsage( "generatexml is only supported for wikitext content", "notwikitext" );
 416                         }
 417
 418                         $wgParser->startExternalParse( $titleObj, $popts, Parser::OT_PREPROCESS );
 419                         $dom = $wgParser->preprocessToDom( $this->content->getNativeData() );
 420                         if ( is_callable( array( $dom, 'saveXML' ) ) ) {
 421                                 $xml = $dom->saveXML();
 422                         } else {
 423                                 $xml = $dom->__toString();
 424                         }
 425                         $result_array['parsetree'] = $xml;
 426                         $result_array[ApiResult::META_BC_SUBELEMENTS][] = 'parsetree';
 427                 }
 428
 429                 $result_mapping = array(
 430                         'redirects' => 'r',
 431                         'langlinks' => 'll',
 432                         'categories' => 'cl',
 433                         'links' => 'pl',
 434                         'templates' => 'tl',
 435                         'images' => 'img',
 436                         'externallinks' => 'el',
 437                         'iwlinks' => 'iw',
 438                         'sections' => 's',
 439                         'headitems' => 'hi',
 440                         'modules' => 'm',
 441                         'indicators' => 'ind',
 442                         'modulescripts' => 'm',
 443                         'modulestyles' => 'm',
 444                         'modulemessages' => 'm',
 445                         'properties' => 'pp',
 446                         'limitreportdata' => 'lr',
 447                 );
 448                 $this->setIndexedTagNames( $result_array, $result_mapping );
 449                 $result->addValue( null, $this->getModuleName(), $result_array );
 450         }
 451
 452         /**
 453          * Constructs a ParserOptions object
 454          *
 455          * @param WikiPage $pageObj
 456          * @param array $params
 457          *
 458          * @return ParserOptions
 459          */
 460         protected function makeParserOptions( WikiPage $pageObj, array $params ) {
 461
 462                 $popts = $pageObj->makeParserOptions( $this->getContext() );
 463                 $popts->enableLimitReport( !$params['disablepp'] );
 464                 $popts->setIsPreview( $params['preview'] || $params['sectionpreview'] );
 465                 $popts->setIsSectionPreview( $params['sectionpreview'] );
 466                 $popts->setEditSection( !$params['disableeditsection'] );
 467
 468                 return $popts;
 469         }
 470
 471         /**
 472          * @param WikiPage $page
 473          * @param ParserOptions $popts
 474          * @param int $pageId
 475          * @param bool $getWikitext
 476          * @return ParserOutput
 477          */
 478         private function getParsedContent( WikiPage $page, $popts, $pageId = null, $getWikitext = false ) {
 479                 $this->content = $page->getContent( Revision::RAW ); //XXX: really raw?
 480
 481                 if ( $this->section !== false && $this->content !== null ) {
 482                         $this->content = $this->getSectionContent(
 483                                 $this->content,
 484                                 !is_null( $pageId ) ? 'page id ' . $pageId : $page->getTitle()->getPrefixedText()
 485                         );
 486
 487                         // Not cached (save or load)
 488                         return $this->content->getParserOutput( $page->getTitle(), null, $popts );
 489                 }
 490
 491                 // Try the parser cache first
 492                 // getParserOutput will save to Parser cache if able
 493                 $pout = $page->getParserOutput( $popts );
 494                 if ( !$pout ) {
 495                         $this->dieUsage( "There is no revision ID {$page->getLatest()}", 'missingrev' );
 496                 }
 497                 if ( $getWikitext ) {
 498                         $this->content = $page->getContent( Revision::RAW );
 499                 }
 500
 501                 return $pout;
 502         }
 503
 504         /**
 505          * @param Content $content
 506          * @param string $what Identifies the content in error messages, e.g. page title.
 507          * @return Content|bool
 508          */
 509         private function getSectionContent( Content $content, $what ) {
 510                 // Not cached (save or load)
 511                 $section = $content->getSection( $this->section );
 512                 if ( $section === false ) {
 513                         $this->dieUsage( "There is no section {$this->section} in " . $what, 'nosuchsection' );
 514                 }
 515                 if ( $section === null ) {
 516                         $this->dieUsage( "Sections are not supported by " . $what, 'nosuchsection' );
 517                         $section = false;
 518                 }
 519
 520                 return $section;
 521         }
 522
 523         /**
 524          * This mimicks the behavior of EditPage in formatting a summary
 525          *
 526          * @param Title $title of the page being parsed
 527          * @param Array $params the API parameters of the request
 528          * @return Content|bool
 529          */
 530         private function formatSummary( $title, $params ) {
 531                 global $wgParser;
 532                 $summary = !is_null( $params['summary'] ) ? $params['summary'] : '';
 533                 $sectionTitle = !is_null( $params['sectiontitle'] ) ? $params['sectiontitle'] : '';
 534
 535                 if ( $this->section === 'new' && ( $sectionTitle === '' || $summary === '' ) ) {
 536                         if ( $sectionTitle !== '' ) {
 537                                 $summary = $params['sectiontitle'];
 538                         }
 539                         if ( $summary !== '' ) {
 540                                 $summary = wfMessage( 'newsectionsummary' )
 541                                         ->rawParams( $wgParser->stripSectionName( $summary ) )
 542                                                 ->inContentLanguage()->text();
 543                         }
 544                 }
 545                 return Linker::formatComment( $summary, $title, $this->section === 'new' );
 546         }
 547
 548         private function formatLangLinks( $links ) {
 549                 $result = array();
 550                 foreach ( $links as $link ) {
 551                         $entry = array();
 552                         $bits = explode( ':', $link, 2 );
 553                         $title = Title::newFromText( $link );
 554
 555                         $entry['lang'] = $bits[0];
 556                         if ( $title ) {
 557                                 $entry['url'] = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT );
 558                                 // localised language name in 'uselang' language
 559                                 $entry['langname'] = Language::fetchLanguageName(
 560                                         $title->getInterwiki(),
 561                                         $this->getLanguage()->getCode()
 562                                 );
 563
 564                                 // native language name
 565                                 $entry['autonym'] = Language::fetchLanguageName( $title->getInterwiki() );
 566                         }
 567                         ApiResult::setContentValue( $entry, 'title', $bits[1] );
 568                         $result[] = $entry;
 569                 }
 570
 571                 return $result;
 572         }
 573
 574         private function formatCategoryLinks( $links ) {
 575                 $result = array();
 576
 577                 if ( !$links ) {
 578                         return $result;
 579                 }
 580
 581                 // Fetch hiddencat property
 582                 $lb = new LinkBatch;
 583                 $lb->setArray( array( NS_CATEGORY => $links ) );
 584                 $db = $this->getDB();
 585                 $res = $db->select( array( 'page', 'page_props' ),
 586                         array( 'page_title', 'pp_propname' ),
 587                         $lb->constructSet( 'page', $db ),
 588                         __METHOD__,
 589                         array(),
 590                         array( 'page_props' => array(
 591                                 'LEFT JOIN', array( 'pp_propname' => 'hiddencat', 'pp_page = page_id' )
 592                         ) )
 593                 );
 594                 $hiddencats = array();
 595                 foreach ( $res as $row ) {
 596                         $hiddencats[$row->page_title] = isset( $row->pp_propname );
 597                 }
 598
 599                 foreach ( $links as $link => $sortkey ) {
 600                         $entry = array();
 601                         $entry['sortkey'] = $sortkey;
 602                         ApiResult::setContentValue( $entry, 'category', $link );
 603                         if ( !isset( $hiddencats[$link] ) ) {
 604                                 $entry['missing'] = true;
 605                         } elseif ( $hiddencats[$link] ) {
 606                                 $entry['hidden'] = true;
 607                         }
 608                         $result[] = $entry;
 609                 }
 610
 611                 return $result;
 612         }
 613
 614         private function categoriesHtml( $categories ) {
 615                 $context = $this->getContext();
 616                 $context->getOutput()->addCategoryLinks( $categories );
 617
 618                 return $context->getSkin()->getCategories();
 619         }
 620
 621         private function formatLinks( $links ) {
 622                 $result = array();
 623                 foreach ( $links as $ns => $nslinks ) {
 624                         foreach ( $nslinks as $title => $id ) {
 625                                 $entry = array();
 626                                 $entry['ns'] = $ns;
 627                                 ApiResult::setContentValue( $entry, 'title', Title::makeTitle( $ns, $title )->getFullText() );
 628                                 $entry['exists'] = $id != 0;
 629                                 $result[] = $entry;
 630                         }
 631                 }
 632
 633                 return $result;
 634         }
 635
 636         private function formatIWLinks( $iw ) {
 637                 $result = array();
 638                 foreach ( $iw as $prefix => $titles ) {
 639                         foreach ( array_keys( $titles ) as $title ) {
 640                                 $entry = array();
 641                                 $entry['prefix'] = $prefix;
 642
 643                                 $title = Title::newFromText( "{$prefix}:{$title}" );
 644                                 if ( $title ) {
 645                                         $entry['url'] = wfExpandUrl( $title->getFullURL(), PROTO_CURRENT );
 646                                 }
 647
 648                                 ApiResult::setContentValue( $entry, 'title', $title->getFullText() );
 649                                 $result[] = $entry;
 650                         }
 651                 }
 652
 653                 return $result;
 654         }
 655
 656         private function formatHeadItems( $headItems ) {
 657                 $result = array();
 658                 foreach ( $headItems as $tag => $content ) {
 659                         $entry = array();
 660                         $entry['tag'] = $tag;
 661                         ApiResult::setContentValue( $entry, 'content', $content );
 662                         $result[] = $entry;
 663                 }
 664
 665                 return $result;
 666         }
 667
 668         private function formatCss( $css ) {
 669                 $result = array();
 670                 foreach ( $css as $file => $link ) {
 671                         $entry = array();
 672                         $entry['file'] = $file;
 673                         ApiResult::setContentValue( $entry, 'link', $link );
 674                         $result[] = $entry;
 675                 }
 676
 677                 return $result;
 678         }
 679
 680         private function formatLimitReportData( $limitReportData ) {
 681                 $result = array();
 682                 $apiResult = $this->getResult();
 683
 684                 foreach ( $limitReportData as $name => $value ) {
 685                         $entry = array();
 686                         $entry['name'] = $name;
 687                         if ( !is_array( $value ) ) {
 688                                 $value = array( $value );
 689                         }
 690                         ApiResult::setIndexedTagNameRecursive( $value, 'param' );
 691                         $entry = array_merge( $entry, $value );
 692                         $result[] = $entry;
 693                 }
 694
 695                 return $result;
 696         }
 697
 698         private function setIndexedTagNames( &$array, $mapping ) {
 699                 foreach ( $mapping as $key => $name ) {
 700                         if ( isset( $array[$key] ) ) {
 701                                 ApiResult::setIndexedTagName( $array[$key], $name );
 702                         }
 703                 }
 704         }
 705
 706         public function getAllowedParams() {
 707                 return array(
 708                         'title' => null,
 709                         'text' => array(
 710                                 ApiBase::PARAM_TYPE => 'text',
 711                         ),
 712                         'summary' => null,
 713                         'page' => null,
 714                         'pageid' => array(
 715                                 ApiBase::PARAM_TYPE => 'integer',
 716                         ),
 717                         'redirects' => false,
 718                         'oldid' => array(
 719                                 ApiBase::PARAM_TYPE => 'integer',
 720                         ),
 721                         'prop' => array(
 722                                 ApiBase::PARAM_DFLT => 'text|langlinks|categories|links|templates|' .
 723                                         'images|externallinks|sections|revid|displaytitle|iwlinks|properties',
 724                                 ApiBase::PARAM_ISMULTI => true,
 725                                 ApiBase::PARAM_TYPE => array(
 726                                         'text',
 727                                         'langlinks',
 728                                         'categories',
 729                                         'categorieshtml',
 730                                         'links',
 731                                         'templates',
 732                                         'images',
 733                                         'externallinks',
 734                                         'sections',
 735                                         'revid',
 736                                         'displaytitle',
 737                                         'headitems',
 738                                         'headhtml',
 739                                         'modules',
 740                                         'jsconfigvars',
 741                                         'encodedjsconfigvars',
 742                                         'indicators',
 743                                         'iwlinks',
 744                                         'wikitext',
 745                                         'properties',
 746                                         'limitreportdata',
 747                                         'limitreporthtml',
 748                                 ),
 749                                 ApiBase::PARAM_HELP_MSG_PER_VALUE => array(),
 750                         ),
 751                         'pst' => false,
 752                         'onlypst' => false,
 753                         'effectivelanglinks' => false,
 754                         'section' => null,
 755                         'sectiontitle' => array(
 756                                 ApiBase::PARAM_TYPE => 'string',
 757                         ),
 758                         'disablepp' => false,
 759                         'disableeditsection' => false,
 760                         'generatexml' => array(
 761                                 ApiBase::PARAM_DFLT => false,
 762                                 ApiBase::PARAM_HELP_MSG => array(
 763                                         'apihelp-parse-param-generatexml', CONTENT_MODEL_WIKITEXT
 764                                 ),
 765                         ),
 766                         'preview' => false,
 767                         'sectionpreview' => false,
 768                         'disabletoc' => false,
 769                         'contentformat' => array(
 770                                 ApiBase::PARAM_TYPE => ContentHandler::getAllContentFormats(),
 771                         ),
 772                         'contentmodel' => array(
 773                                 ApiBase::PARAM_TYPE => ContentHandler::getContentModels(),
 774                         )
 775                 );
 776         }
 777
 778         protected function getExamplesMessages() {
 779                 return array(
 780                         'action=parse&page=Project:Sandbox'
 781                                 => 'apihelp-parse-example-page',
 782                         'action=parse&text={{Project:Sandbox}}&contentmodel=wikitext'
 783                                 => 'apihelp-parse-example-text',
 784                         'action=parse&text={{PAGENAME}}&title=Test'
 785                                 => 'apihelp-parse-example-texttitle',
 786                         'action=parse&summary=Some+[[link]]&prop='
 787                                 => 'apihelp-parse-example-summary',
 788                 );
 789         }
 790
 791         public function getHelpUrls() {
 792                 return 'https://www.mediawiki.org/wiki/API:Parsing_wikitext#parse';
 793         }
 794 }