MediaWiki  master
XmlDumpWriter.php
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1 <?php
32 
37 
39  const WRITE_CONTENT = 0;
40 
42  const WRITE_STUB = 1;
43 
48  const WRITE_STUB_DELETED = 2;
49 
54  public static $supportedSchemas = [
57  ];
58 
64  private $schemaVersion;
65 
71  private $currentTitle = null;
72 
76  private $contentMode;
77 
86  public function __construct(
87  $contentMode = self::WRITE_CONTENT,
89  ) {
90  Assert::parameter(
91  in_array( $contentMode, [ self::WRITE_CONTENT, self::WRITE_STUB ] ),
92  '$contentMode',
93  'must be one of the following constants: WRITE_CONTENT or WRITE_STUB.'
94  );
95 
96  Assert::parameter(
97  in_array( $schemaVersion, self::$supportedSchemas ),
98  '$schemaVersion',
99  'must be one of the following schema versions: '
100  . implode( ',', self::$supportedSchemas )
101  );
102 
103  $this->contentMode = $contentMode;
104  $this->schemaVersion = $schemaVersion;
105  }
106 
117  function openStream() {
118  $ver = $this->schemaVersion;
119  return Xml::element( 'mediawiki', [
120  'xmlns' => "http://www.mediawiki.org/xml/export-$ver/",
121  'xmlns:xsi' => "http://www.w3.org/2001/XMLSchema-instance",
122  /*
123  * When a new version of the schema is created, it needs staging on mediawiki.org.
124  * This requires a change in the operations/mediawiki-config git repo.
125  *
126  * Create a changeset like https://gerrit.wikimedia.org/r/#/c/149643/ in which
127  * you copy in the new xsd file.
128  *
129  * After it is reviewed, merged and deployed (sync-docroot), the index.html needs purging.
130  * echo "https://www.mediawiki.org/xml/index.html" | mwscript purgeList.php --wiki=aawiki
131  */
132  'xsi:schemaLocation' => "http://www.mediawiki.org/xml/export-$ver/ " .
133  "http://www.mediawiki.org/xml/export-$ver.xsd",
134  'version' => $ver,
135  'xml:lang' => MediaWikiServices::getInstance()->getContentLanguage()->getHtmlCode() ],
136  null ) .
137  "\n" .
138  $this->siteInfo();
139  }
140 
144  function siteInfo() {
145  $info = [
146  $this->sitename(),
147  $this->dbname(),
148  $this->homelink(),
149  $this->generator(),
150  $this->caseSetting(),
151  $this->namespaces() ];
152  return " <siteinfo>\n " .
153  implode( "\n ", $info ) .
154  "\n </siteinfo>\n";
155  }
156 
160  function sitename() {
161  global $wgSitename;
162  return Xml::element( 'sitename', [], $wgSitename );
163  }
164 
168  function dbname() {
169  global $wgDBname;
170  return Xml::element( 'dbname', [], $wgDBname );
171  }
172 
176  function generator() {
177  global $wgVersion;
178  return Xml::element( 'generator', [], "MediaWiki $wgVersion" );
179  }
180 
184  function homelink() {
185  return Xml::element( 'base', [], Title::newMainPage()->getCanonicalURL() );
186  }
187 
191  function caseSetting() {
192  global $wgCapitalLinks;
193  // "case-insensitive" option is reserved for future
194  $sensitivity = $wgCapitalLinks ? 'first-letter' : 'case-sensitive';
195  return Xml::element( 'case', [], $sensitivity );
196  }
197 
201  function namespaces() {
202  $spaces = "<namespaces>\n";
203  $nsInfo = MediaWikiServices::getInstance()->getNamespaceInfo();
204  foreach (
205  MediaWikiServices::getInstance()->getContentLanguage()->getFormattedNamespaces()
206  as $ns => $title
207  ) {
208  $spaces .= ' ' .
209  Xml::element( 'namespace',
210  [
211  'key' => $ns,
212  'case' => $nsInfo->isCapitalized( $ns )
213  ? 'first-letter' : 'case-sensitive',
214  ], $title ) . "\n";
215  }
216  $spaces .= " </namespaces>";
217  return $spaces;
218  }
219 
226  function closeStream() {
227  return "</mediawiki>\n";
228  }
229 
237  public function openPage( $row ) {
238  $out = " <page>\n";
239  $this->currentTitle = Title::newFromRow( $row );
240  $canonicalTitle = self::canonicalTitle( $this->currentTitle );
241  $out .= ' ' . Xml::elementClean( 'title', [], $canonicalTitle ) . "\n";
242  $out .= ' ' . Xml::element( 'ns', [], strval( $row->page_namespace ) ) . "\n";
243  $out .= ' ' . Xml::element( 'id', [], strval( $row->page_id ) ) . "\n";
244  if ( $row->page_is_redirect ) {
245  $page = WikiPage::factory( $this->currentTitle );
246  $redirect = $page->getRedirectTarget();
247  if ( $redirect instanceof Title && $redirect->isValidRedirectTarget() ) {
248  $out .= ' ';
249  $out .= Xml::element( 'redirect', [ 'title' => self::canonicalTitle( $redirect ) ] );
250  $out .= "\n";
251  }
252  }
253 
254  if ( $row->page_restrictions != '' ) {
255  $out .= ' ' . Xml::element( 'restrictions', [],
256  strval( $row->page_restrictions ) ) . "\n";
257  }
258 
259  Hooks::run( 'XmlDumpWriterOpenPage', [ $this, &$out, $row, $this->currentTitle ] );
260 
261  return $out;
262  }
263 
270  function closePage() {
271  if ( $this->currentTitle !== null ) {
272  $linkCache = MediaWikiServices::getInstance()->getLinkCache();
273  // In rare cases, link cache has the same key for some pages which
274  // might be read as part of the same batch. T220424 and T220316
275  $linkCache->clearLink( $this->currentTitle );
276  }
277  return " </page>\n";
278  }
279 
283  private function getRevisionStore() {
284  return MediaWikiServices::getInstance()->getRevisionStore();
285  }
286 
290  private function getBlobStore() {
291  return MediaWikiServices::getInstance()->getBlobStore();
292  }
293 
307  private function invokeLenient( $obj, $method, $args = [], $warning ) {
308  try {
309  return call_user_func_array( [ $obj, $method ], $args );
310  } catch ( SuppressedDataException $ex ) {
311  return null;
312  } catch ( Exception $ex ) {
313  if ( $ex instanceof MWException || $ex instanceof RuntimeException ||
314  $ex instanceof InvalidArgumentException ) {
315  MWDebug::warning( $warning . ': ' . $ex->getMessage() );
316  return null;
317  } else {
318  throw $ex;
319  }
320  }
321  }
322 
335  function writeRevision( $row, $slotRows = null ) {
336  $rev = $this->getRevisionStore()->newRevisionFromRowAndSlots(
337  $row,
338  $slotRows,
339  0,
340  $this->currentTitle
341  );
342 
343  $out = " <revision>\n";
344  $out .= " " . Xml::element( 'id', null, strval( $rev->getId() ) ) . "\n";
345 
346  if ( $rev->getParentId() ) {
347  $out .= " " . Xml::element( 'parentid', null, strval( $rev->getParentId() ) ) . "\n";
348  }
349 
350  $out .= $this->writeTimestamp( $rev->getTimestamp() );
351 
352  if ( $rev->isDeleted( RevisionRecord::DELETED_USER ) ) {
353  $out .= " " . Xml::element( 'contributor', [ 'deleted' => 'deleted' ] ) . "\n";
354  } else {
355  // empty values get written out as uid 0, see T224221
356  $user = $rev->getUser();
357  $out .= $this->writeContributor(
358  $user ? $user->getId() : 0,
359  $user ? $user->getName() : ''
360  );
361  }
362 
363  if ( $rev->isMinor() ) {
364  $out .= " <minor/>\n";
365  }
366  if ( $rev->isDeleted( RevisionRecord::DELETED_COMMENT ) ) {
367  $out .= " " . Xml::element( 'comment', [ 'deleted' => 'deleted' ] ) . "\n";
368  } else {
369  if ( $rev->getComment()->text != '' ) {
370  $out .= " "
371  . Xml::elementClean( 'comment', [], strval( $rev->getComment()->text ) )
372  . "\n";
373  }
374  }
375 
376  $contentMode = $rev->isDeleted( RevisionRecord::DELETED_TEXT ) ? self::WRITE_STUB_DELETED
378 
379  foreach ( $rev->getSlots()->getSlots() as $slot ) {
380  $out .= $this->writeSlot( $slot, $contentMode );
381  }
382 
383  if ( $rev->isDeleted( RevisionRecord::DELETED_TEXT ) ) {
384  $out .= " <sha1/>\n";
385  } else {
386  $sha1 = $this->invokeLenient(
387  $rev,
388  'getSha1',
389  [],
390  'failed to determine sha1 for revision ' . $rev->getId()
391  );
392  $out .= " " . Xml::element( 'sha1', null, strval( $sha1 ) ) . "\n";
393  }
394 
395  // Avoid PHP 7.1 warning from passing $this by reference
396  $writer = $this;
397  $text = '';
398  if ( $contentMode === self::WRITE_CONTENT ) {
400  $content = $this->invokeLenient(
401  $rev,
402  'getContent',
403  [ SlotRecord::MAIN, RevisionRecord::RAW ],
404  'Failed to load main slot content of revision ' . $rev->getId()
405  );
406 
407  $text = $content ? $content->serialize() : '';
408  }
409  Hooks::run( 'XmlDumpWriterWriteRevision', [ &$writer, &$out, $row, $text, $rev ] );
410 
411  $out .= " </revision>\n";
412 
413  return $out;
414  }
415 
422  private function writeSlot( SlotRecord $slot, $contentMode ) {
423  $isMain = $slot->getRole() === SlotRecord::MAIN;
424  $isV11 = $this->schemaVersion >= XML_DUMP_SCHEMA_VERSION_11;
425 
426  if ( !$isV11 && !$isMain ) {
427  // ignore extra slots
428  return '';
429  }
430 
431  $out = '';
432  $indent = ' ';
433 
434  if ( !$isMain ) {
435  // non-main slots are wrapped into an additional element.
436  $out .= ' ' . Xml::openElement( 'content' ) . "\n";
437  $indent .= ' ';
438  $out .= $indent . Xml::element( 'role', null, strval( $slot->getRole() ) ) . "\n";
439  }
440 
441  if ( $isV11 ) {
442  $out .= $indent . Xml::element( 'origin', null, strval( $slot->getOrigin() ) ) . "\n";
443  }
444 
445  $contentModel = $slot->getModel();
446  $contentHandler = ContentHandler::getForModelID( $contentModel );
447  $contentFormat = $contentHandler->getDefaultFormat();
448 
449  // XXX: The content format is only relevant when actually outputting serialized content.
450  // It should probably be an attribute on the text tag.
451  $out .= $indent . Xml::element( 'model', null, strval( $contentModel ) ) . "\n";
452  $out .= $indent . Xml::element( 'format', null, strval( $contentFormat ) ) . "\n";
453 
454  $textAttributes = [
455  'xml:space' => 'preserve',
456  'bytes' => $this->invokeLenient(
457  $slot,
458  'getSize',
459  [],
460  'failed to determine size for slot ' . $slot->getRole() . ' of revision '
461  . $slot->getRevision()
462  ) ?: '0'
463  ];
464 
465  if ( $isV11 ) {
466  $textAttributes['sha1'] = $this->invokeLenient(
467  $slot,
468  'getSha1',
469  [],
470  'failed to determine sha1 for slot ' . $slot->getRole() . ' of revision '
471  . $slot->getRevision()
472  ) ?: '';
473  }
474 
475  if ( $contentMode === self::WRITE_CONTENT ) {
476  $content = $this->invokeLenient(
477  $slot,
478  'getContent',
479  [],
480  'failed to load content for slot ' . $slot->getRole() . ' of revision '
481  . $slot->getRevision()
482  );
483 
484  if ( $content === null ) {
485  $out .= $indent . Xml::element( 'text', $textAttributes ) . "\n";
486  } else {
487  $out .= $this->writeText( $content, $textAttributes, $indent );
488  }
489  } elseif ( $contentMode === self::WRITE_STUB_DELETED ) {
490  // write <text> placeholder tag
491  $textAttributes['deleted'] = 'deleted';
492  $out .= $indent . Xml::element( 'text', $textAttributes ) . "\n";
493  } else {
494  // write <text> stub tag
495  if ( $isV11 ) {
496  $textAttributes['location'] = $slot->getAddress();
497  }
498 
499  // Output the numerical text ID if possible, for backwards compatibility.
500  // Note that this is currently the ONLY reason we have a BlobStore here at all.
501  // When removing this line, check whether the BlobStore has become unused.
502  try {
503  // NOTE: this will only work for addresses of the form "tt:12345".
504  // If we want to support other kinds of addresses in the future,
505  // we will have to silently ignore failures here.
506  // For now, this fails for "tt:0", which is present in the WMF production
507  // database of of Juli 2019, due to data corruption.
508  $textId = $this->getBlobStore()->getTextIdFromAddress( $slot->getAddress() );
509  } catch ( InvalidArgumentException $ex ) {
510  MWDebug::warning( 'Bad content address for slot ' . $slot->getRole()
511  . ' of revision ' . $slot->getRevision() . ': ' . $ex->getMessage() );
512  $textId = 0;
513  }
514 
515  if ( $textId ) {
516  $textAttributes['id'] = $textId;
517  }
518 
519  $out .= $indent . Xml::element( 'text', $textAttributes ) . "\n";
520  }
521 
522  if ( !$isMain ) {
523  $out .= ' ' . Xml::closeElement( 'content' ) . "\n";
524  }
525 
526  return $out;
527  }
528 
536  private function writeText( Content $content, $textAttributes, $indent ) {
537  $out = '';
538 
539  $contentHandler = $content->getContentHandler();
540  $contentFormat = $contentHandler->getDefaultFormat();
541 
542  if ( $content instanceof TextContent ) {
543  // HACK: For text based models, bypass the serialization step. This allows extensions (like Flow)
544  // that use incompatible combinations of serialization format and content model.
545  $data = $content->getNativeData();
546  } else {
547  $data = $content->serialize( $contentFormat );
548  }
549 
550  $data = $contentHandler->exportTransform( $data, $contentFormat );
551  $textAttributes['bytes'] = $size = strlen( $data ); // make sure to use the actual size
552  $out .= $indent . Xml::elementClean( 'text', $textAttributes, strval( $data ) ) . "\n";
553 
554  return $out;
555  }
556 
565  function writeLogItem( $row ) {
566  $out = " <logitem>\n";
567  $out .= " " . Xml::element( 'id', null, strval( $row->log_id ) ) . "\n";
568 
569  $out .= $this->writeTimestamp( $row->log_timestamp, " " );
570 
571  if ( $row->log_deleted & LogPage::DELETED_USER ) {
572  $out .= " " . Xml::element( 'contributor', [ 'deleted' => 'deleted' ] ) . "\n";
573  } else {
574  $out .= $this->writeContributor( $row->log_user, $row->user_name, " " );
575  }
576 
577  if ( $row->log_deleted & LogPage::DELETED_COMMENT ) {
578  $out .= " " . Xml::element( 'comment', [ 'deleted' => 'deleted' ] ) . "\n";
579  } else {
580  $comment = CommentStore::getStore()->getComment( 'log_comment', $row )->text;
581  if ( $comment != '' ) {
582  $out .= " " . Xml::elementClean( 'comment', null, strval( $comment ) ) . "\n";
583  }
584  }
585 
586  $out .= " " . Xml::element( 'type', null, strval( $row->log_type ) ) . "\n";
587  $out .= " " . Xml::element( 'action', null, strval( $row->log_action ) ) . "\n";
588 
589  if ( $row->log_deleted & LogPage::DELETED_ACTION ) {
590  $out .= " " . Xml::element( 'text', [ 'deleted' => 'deleted' ] ) . "\n";
591  } else {
592  $title = Title::makeTitle( $row->log_namespace, $row->log_title );
593  $out .= " " . Xml::elementClean( 'logtitle', null, self::canonicalTitle( $title ) ) . "\n";
594  $out .= " " . Xml::elementClean( 'params',
595  [ 'xml:space' => 'preserve' ],
596  strval( $row->log_params ) ) . "\n";
597  }
598 
599  $out .= " </logitem>\n";
600 
601  return $out;
602  }
603 
609  function writeTimestamp( $timestamp, $indent = " " ) {
610  $ts = wfTimestamp( TS_ISO_8601, $timestamp );
611  return $indent . Xml::element( 'timestamp', null, $ts ) . "\n";
612  }
613 
620  function writeContributor( $id, $text, $indent = " " ) {
621  $out = $indent . "<contributor>\n";
622  if ( $id || !IP::isValid( $text ) ) {
623  $out .= $indent . " " . Xml::elementClean( 'username', null, strval( $text ) ) . "\n";
624  $out .= $indent . " " . Xml::element( 'id', null, strval( $id ) ) . "\n";
625  } else {
626  $out .= $indent . " " . Xml::elementClean( 'ip', null, strval( $text ) ) . "\n";
627  }
628  $out .= $indent . "</contributor>\n";
629  return $out;
630  }
631 
638  function writeUploads( $row, $dumpContents = false ) {
639  if ( $row->page_namespace == NS_FILE ) {
640  $img = MediaWikiServices::getInstance()->getRepoGroup()->getLocalRepo()
641  ->newFile( $row->page_title );
642  if ( $img && $img->exists() ) {
643  $out = '';
644  foreach ( array_reverse( $img->getHistory() ) as $ver ) {
645  $out .= $this->writeUpload( $ver, $dumpContents );
646  }
647  $out .= $this->writeUpload( $img, $dumpContents );
648  return $out;
649  }
650  }
651  return '';
652  }
653 
659  function writeUpload( $file, $dumpContents = false ) {
660  if ( $file->isOld() ) {
661  $archiveName = " " .
662  Xml::element( 'archivename', null, $file->getArchiveName() ) . "\n";
663  } else {
664  $archiveName = '';
665  }
666  if ( $dumpContents ) {
667  $be = $file->getRepo()->getBackend();
668  # Dump file as base64
669  # Uses only XML-safe characters, so does not need escaping
670  # @todo Too bad this loads the contents into memory (script might swap)
671  $contents = ' <contents encoding="base64">' .
672  chunk_split( base64_encode(
673  $be->getFileContents( [ 'src' => $file->getPath() ] ) ) ) .
674  " </contents>\n";
675  } else {
676  $contents = '';
677  }
678  if ( $file->isDeleted( File::DELETED_COMMENT ) ) {
679  $comment = Xml::element( 'comment', [ 'deleted' => 'deleted' ] );
680  } else {
681  $comment = Xml::elementClean( 'comment', null, strval( $file->getDescription() ) );
682  }
683  return " <upload>\n" .
684  $this->writeTimestamp( $file->getTimestamp() ) .
685  $this->writeContributor( $file->getUser( 'id' ), $file->getUser( 'text' ) ) .
686  " " . $comment . "\n" .
687  " " . Xml::element( 'filename', null, $file->getName() ) . "\n" .
688  $archiveName .
689  " " . Xml::element( 'src', null, $file->getCanonicalUrl() ) . "\n" .
690  " " . Xml::element( 'size', null, $file->getSize() ) . "\n" .
691  " " . Xml::element( 'sha1base36', null, $file->getSha1() ) . "\n" .
692  " " . Xml::element( 'rel', null, $file->getRel() ) . "\n" .
693  $contents .
694  " </upload>\n";
695  }
696 
707  public static function canonicalTitle( Title $title ) {
708  if ( $title->isExternal() ) {
709  return $title->getPrefixedText();
710  }
711 
712  $prefix = MediaWikiServices::getInstance()->getContentLanguage()->
713  getFormattedNsText( $title->getNamespace() );
714 
715  // @todo Emit some kind of warning to the user if $title->getNamespace() !==
716  // NS_MAIN and $prefix === '' (viz. pages in an unregistered namespace)
717 
718  if ( $prefix !== '' ) {
719  $prefix .= ':';
720  }
721 
722  return $prefix . $title->getText();
723  }
724 }
static factory(Title $title)
Create a WikiPage object of the appropriate class for the given title.
Definition: WikiPage.php:138
const DELETED_COMMENT
Definition: File.php:64
$wgVersion
MediaWiki version number.
getContentHandler()
Convenience method that returns the ContentHandler singleton for handling the content model that this...
$wgSitename
Name of the site.
getText()
Get the text form (spaces not underscores) of the main part.
Definition: Title.php:1003
static newMainPage(MessageLocalizer $localizer=null)
Create a new Title for the Main Page.
Definition: Title.php:656
const WRITE_CONTENT
Output serialized revision content.
Apache License January AND DISTRIBUTION Definitions License shall mean the terms and conditions for use
if(PHP_SAPI !='cli-server') if(!isset( $_SERVER['SCRIPT_FILENAME'])) $file
Definition: router.php:42
const WRITE_STUB
Only output subs for revision content.
const XML_DUMP_SCHEMA_VERSION_10
Definition: Defines.php:308
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency MediaWikiServices
Definition: injection.txt:23
closePage()
Closes a "<page>" section on the output stream.
static elementClean( $element, $attribs=[], $contents='')
Format an XML element as with self::element(), but run text through the content language&#39;s normalize(...
Definition: Xml.php:90
getPrefixedText()
Get the prefixed title with spaces.
Definition: Title.php:1724
closeStream()
Closes the output stream with the closing root element.
Value object representing a content slot associated with a page revision.
Definition: SlotRecord.php:39
static newFromRow( $row)
Make a Title object from a DB row.
Definition: Title.php:522
if( $line===false) $args
Definition: cdb.php:64
getModel()
Returns the content model.
Definition: SlotRecord.php:566
writeText(Content $content, $textAttributes, $indent)
this hook is for auditing only or null if authentication failed before getting that far or null if we can t even determine that When $user is not it can be in the form of< username >< more info > e g for bot passwords intended to be added to log contexts Fields it might only if the login was with a bot password it is not rendered in wiki pages or galleries in category pages allow injecting custom HTML after the section Any uses of the hook need to handle escaping see BaseTemplate::getToolbox and BaseTemplate::makeListItem for details on the format of individual items inside of this array or by returning and letting standard HTTP rendering take place modifiable or by returning false and taking over the output $out
Definition: hooks.txt:773
wfTimestamp( $outputtype=TS_UNIX, $ts=0)
Get a timestamp string in one of various formats.
const DELETED_COMMENT
Definition: LogPage.php:35
openPage( $row)
Opens a "<page>" section on the output stream, with data from the given database row.
writeUpload( $file, $dumpContents=false)
writeTimestamp( $timestamp, $indent=" ")
isExternal()
Is this Title interwiki?
Definition: Title.php:920
static warning( $msg, $callerOffset=1, $level=E_USER_NOTICE, $log='auto')
Adds a warning entry to the log.
Definition: MWDebug.php:151
static openElement( $element, $attribs=null)
This opens an XML element.
Definition: Xml.php:108
static getForModelID( $modelId)
Returns the ContentHandler singleton for the given model ID.
$wgCapitalLinks
Set this to false to avoid forcing the first letter of links to capitals.
static isValid( $ip)
Validate an IP address.
Definition: IP.php:111
writeUploads( $row, $dumpContents=false)
Warning! This data is potentially inconsistent.
getRevision()
Returns the ID of the revision this slot is associated with.
Definition: SlotRecord.php:396
Exception raised in response to an audience check when attempting to access suppressed information wi...
int $contentMode
Whether to output revision content or just stubs.
writeRevision( $row, $slotRows=null)
Dumps a "<revision>" section on the output stream, with data filled in from the given database row...
this hook is for auditing only or null if authentication failed before getting that far or null if we can t even determine that When $user is not null
Definition: hooks.txt:773
namespace and then decline to actually register it file or subcat img or subcat $title
Definition: hooks.txt:918
openStream()
Opens the XML output stream&#39;s root "<mediawiki>" element.
writeSlot(SlotRecord $slot, $contentMode)
getNamespace()
Get the namespace index, i.e.
Definition: Title.php:1045
const NS_FILE
Definition: Defines.php:66
invokeLenient( $obj, $method, $args=[], $warning)
Invokes the given method on the given object, catching and logging any storage related exceptions...
presenting them properly to the user as errors is done by the caller return true use this to change the list i e etc $rev
Definition: hooks.txt:1759
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
Definition: distributors.txt:9
string $schemaVersion
which schema version the generated XML should comply to.
getOrigin()
Returns the revision ID of the revision that originated the slot&#39;s content.
Definition: SlotRecord.php:405
getNativeData()
Returns native representation of the data.
const DELETED_USER
Definition: LogPage.php:36
static makeTitle( $ns, $title, $fragment='', $interwiki='')
Create a new Title from a namespace index and a DB key.
Definition: Title.php:592
injection txt This is an overview of how MediaWiki makes use of dependency injection The design described here grew from the discussion of RFC T384 The term dependency this means that anything an object needs to operate should be injected from the the object itself should only know narrow no concrete implementation of the logic it relies on The requirement to inject everything typically results in an architecture that based on two main types of and essentially stateless service objects that use other service objects to operate on the value objects As of the beginning MediaWiki is only starting to use the DI approach Much of the code still relies on global state or direct resulting in a highly cyclical dependency which acts as the top level factory for services in MediaWiki which can be used to gain access to default instances of various services MediaWikiServices however also allows new services to be defined and default services to be redefined Services are defined or redefined by providing a callback the instantiator that will return a new instance of the service When it will create an instance of MediaWikiServices and populate it with the services defined in the files listed by thereby bootstrapping the DI framework Per $wgServiceWiringFiles lists includes ServiceWiring php
Definition: injection.txt:35
getRole()
Returns the role of the slot.
Definition: SlotRecord.php:489
writeLogItem( $row)
Dumps a "<logitem>" section on the output stream, with data filled in from the given database row...
static closeElement( $element)
Shortcut to close an XML element.
Definition: Xml.php:117
static getStore()
__construct( $contentMode=self::WRITE_CONTENT, $schemaVersion=XML_DUMP_SCHEMA_VERSION_11)
XmlDumpWriter constructor.
Title null $currentTitle
Title of the currently processed page.
getAddress()
Returns the address of this slot&#39;s content.
Definition: SlotRecord.php:499
static element( $element, $attribs=null, $contents='', $allowShortTag=true)
Format an XML element with given attributes and, optionally, text content.
Definition: Xml.php:41
static string [] $supportedSchemas
the schema versions supported for output
const WRITE_STUB_DELETED
Only output subs for revision content, indicating that the content has been deleted/suppressed.
The wiki should then use memcached to cache various data To use multiple just add more items to the array To increase the weight of a make its entry a controlled by the following MediaWiki still creates a BagOStuff but calls it to it are no ops If the cache daemon can t be it should also disable itself fairly $wgDBname
Definition: memcached.txt:93
const DELETED_ACTION
Definition: LogPage.php:34
writeContributor( $id, $text, $indent=" ")
$content
Definition: pageupdater.txt:72
const XML_DUMP_SCHEMA_VERSION_11
Definition: Defines.php:309
return true to allow those checks to and false if checking is done & $user
Definition: hooks.txt:1460
static canonicalTitle(Title $title)
Return prefixed text form of title, but using the content language&#39;s canonical namespace.
static run( $event, array $args=[], $deprecatedVersion=null)
Call hook functions defined in Hooks::register and $wgHooks.
Definition: Hooks.php:200
serialize( $format=null)
Convenience method for serializing this Content object.