* @addtogroup Parser
*/
-/**
- * Update this version number when the ParserOutput format
- * changes in an incompatible way, so the parser cache
- * can automatically discard old data.
- */
-define( 'MW_PARSER_VERSION', '1.6.2' );
-
-define( 'RLH_FOR_UPDATE', 1 );
-
-# Allowed values for $mOutputType
-define( 'OT_HTML', 1 );
-define( 'OT_WIKI', 2 );
-define( 'OT_MSG' , 3 );
-define( 'OT_PREPROCESS', 4 );
-
-# Flags for setFunctionHook
-define( 'SFH_NO_HASH', 1 );
-
-# string parameter for extractTags which will cause it
-# to strip HTML comments in addition to regular
-# <XML>-style tags. This should not be anything we
-# may want to use in wikisyntax
-define( 'STRIP_COMMENTS', 'HTMLCommentStrip' );
-
-# Constants needed for external link processing
-define( 'HTTP_PROTOCOLS', 'http:\/\/|https:\/\/' );
-# Everything except bracket, space, or control characters
-define( 'EXT_LINK_URL_CLASS', '[^][<>"\\x00-\\x20\\x7F]' );
-# Including space, but excluding newlines
-define( 'EXT_LINK_TEXT_CLASS', '[^\]\\x0a\\x0d]' );
-define( 'EXT_IMAGE_FNAME_CLASS', '[A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]' );
-define( 'EXT_IMAGE_EXTENSIONS', 'gif|png|jpg|jpeg' );
-define( 'EXT_LINK_BRACKETED', '/\[(\b(' . wfUrlProtocols() . ')'.
- EXT_LINK_URL_CLASS.'+) *('.EXT_LINK_TEXT_CLASS.'*?)\]/S' );
-define( 'EXT_IMAGE_REGEX',
- '/^('.HTTP_PROTOCOLS.')'. # Protocol
- '('.EXT_LINK_URL_CLASS.'+)\\/'. # Hostname and path
- '('.EXT_IMAGE_FNAME_CLASS.'+)\\.((?i)'.EXT_IMAGE_EXTENSIONS.')$/S' # Filename
-);
-
-// State constants for the definition list colon extraction
-define( 'MW_COLON_STATE_TEXT', 0 );
-define( 'MW_COLON_STATE_TAG', 1 );
-define( 'MW_COLON_STATE_TAGSTART', 2 );
-define( 'MW_COLON_STATE_CLOSETAG', 3 );
-define( 'MW_COLON_STATE_TAGSLASH', 4 );
-define( 'MW_COLON_STATE_COMMENT', 5 );
-define( 'MW_COLON_STATE_COMMENTDASH', 6 );
-define( 'MW_COLON_STATE_COMMENTDASHDASH', 7 );
/**
* PHP Parser - Processes wiki markup (which uses a more user-friendly
*/
class Parser
{
- const VERSION = MW_PARSER_VERSION;
+ /**
+ * Update this version number when the ParserOutput format
+ * changes in an incompatible way, so the parser cache
+ * can automatically discard old data.
+ */
+ const VERSION = '1.6.4';
+
+ # Flags for Parser::setFunctionHook
+ # Also available as global constants from Defines.php
+ const SFH_NO_HASH = 1;
+ const SFH_OBJECT_ARGS = 2;
+
+ # Constants needed for external link processing
+ # Everything except bracket, space, or control characters
+ const EXT_LINK_URL_CLASS = '[^][<>"\\x00-\\x20\\x7F]';
+ const EXT_IMAGE_REGEX = '/^(http:\/\/|https:\/\/)([^][<>"\\x00-\\x20\\x7F]+)
+ \\/([A-Za-z0-9_.,~%\\-+&;#*?!=()@\\x80-\\xFF]+)\\.((?i)gif|png|jpg|jpeg)$/Sx';
+
+ // State constants for the definition list colon extraction
+ const COLON_STATE_TEXT = 0;
+ const COLON_STATE_TAG = 1;
+ const COLON_STATE_TAGSTART = 2;
+ const COLON_STATE_CLOSETAG = 3;
+ const COLON_STATE_TAGSLASH = 4;
+ const COLON_STATE_COMMENT = 5;
+ const COLON_STATE_COMMENTDASH = 6;
+ const COLON_STATE_COMMENTDASHDASH = 7;
+
+ // Flags for preprocessToDom
+ const PTD_FOR_INCLUSION = 1;
+
/**#@+
* @private
*/
# Persistent:
var $mTagHooks, $mTransparentTagHooks, $mFunctionHooks, $mFunctionSynonyms, $mVariables,
- $mImageParams, $mImageParamsMagicArray;
+ $mImageParams, $mImageParamsMagicArray, $mStripList, $mMarkerSuffix,
+ $mExtLinkBracketedRegex;
# Cleared with clearState():
var $mOutput, $mAutonumber, $mDTopen, $mStripState;
var $mIncludeCount, $mArgStack, $mLastSection, $mInPre;
- var $mInterwikiLinkHolders, $mLinkHolders, $mUniqPrefix;
- var $mIncludeSizes, $mDefaultSort;
- var $mTemplates, // cache of already loaded templates, avoids
- // multiple SQL queries for the same string
+ var $mInterwikiLinkHolders, $mLinkHolders;
+ var $mIncludeSizes, $mPPNodeCount, $mDefaultSort;
+ var $mTplExpandCache,// empty-frame expansion cache
$mTemplatePath; // stores an unsorted hash of all the templates already loaded
// in this path. Used for loop detection.
+ var $mTplRedirCache, $mTplDomCache, $mHeadings;
# Temporary
# These are variables reset at least once per parse regardless of $clearState
*
* @public
*/
- function Parser() {
+ function __construct( $conf = array() ) {
$this->mTagHooks = array();
$this->mTransparentTagHooks = array();
$this->mFunctionHooks = array();
$this->mFunctionSynonyms = array( 0 => array(), 1 => array() );
+ $this->mStripList = array( 'nowiki', 'gallery' );
+ $this->mMarkerSuffix = "-QINU\x7f";
+ $this->mExtLinkBracketedRegex = '/\[(\b(' . wfUrlProtocols() . ')'.
+ '[^][<>"\\x00-\\x20\\x7F]+) *([^\]\\x0a\\x0d]*?)\]/S';
$this->mFirstCall = true;
}
wfProfileIn( __METHOD__ );
global $wgAllowDisplayTitle, $wgAllowSlowParserFunctions;
-
+
$this->setHook( 'pre', array( $this, 'renderPreTag' ) );
-
- $this->setFunctionHook( 'int', array( 'CoreParserFunctions', 'intFunction' ), SFH_NO_HASH );
- $this->setFunctionHook( 'ns', array( 'CoreParserFunctions', 'ns' ), SFH_NO_HASH );
- $this->setFunctionHook( 'urlencode', array( 'CoreParserFunctions', 'urlencode' ), SFH_NO_HASH );
- $this->setFunctionHook( 'lcfirst', array( 'CoreParserFunctions', 'lcfirst' ), SFH_NO_HASH );
- $this->setFunctionHook( 'ucfirst', array( 'CoreParserFunctions', 'ucfirst' ), SFH_NO_HASH );
- $this->setFunctionHook( 'lc', array( 'CoreParserFunctions', 'lc' ), SFH_NO_HASH );
- $this->setFunctionHook( 'uc', array( 'CoreParserFunctions', 'uc' ), SFH_NO_HASH );
- $this->setFunctionHook( 'localurl', array( 'CoreParserFunctions', 'localurl' ), SFH_NO_HASH );
- $this->setFunctionHook( 'localurle', array( 'CoreParserFunctions', 'localurle' ), SFH_NO_HASH );
- $this->setFunctionHook( 'fullurl', array( 'CoreParserFunctions', 'fullurl' ), SFH_NO_HASH );
- $this->setFunctionHook( 'fullurle', array( 'CoreParserFunctions', 'fullurle' ), SFH_NO_HASH );
- $this->setFunctionHook( 'formatnum', array( 'CoreParserFunctions', 'formatnum' ), SFH_NO_HASH );
- $this->setFunctionHook( 'grammar', array( 'CoreParserFunctions', 'grammar' ), SFH_NO_HASH );
- $this->setFunctionHook( 'plural', array( 'CoreParserFunctions', 'plural' ), SFH_NO_HASH );
- $this->setFunctionHook( 'numberofpages', array( 'CoreParserFunctions', 'numberofpages' ), SFH_NO_HASH );
- $this->setFunctionHook( 'numberofusers', array( 'CoreParserFunctions', 'numberofusers' ), SFH_NO_HASH );
+
+ # Syntax for arguments (see self::setFunctionHook):
+ # "name for lookup in localized magic words array",
+ # function callback,
+ # optional SFH_NO_HASH to omit the hash from calls (e.g. {{int:...}
+ # instead of {{#int:...}})
+ $this->setFunctionHook( 'int', array( 'CoreParserFunctions', 'intFunction' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'ns', array( 'CoreParserFunctions', 'ns' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'urlencode', array( 'CoreParserFunctions', 'urlencode' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'lcfirst', array( 'CoreParserFunctions', 'lcfirst' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'ucfirst', array( 'CoreParserFunctions', 'ucfirst' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'lc', array( 'CoreParserFunctions', 'lc' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'uc', array( 'CoreParserFunctions', 'uc' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'localurl', array( 'CoreParserFunctions', 'localurl' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'localurle', array( 'CoreParserFunctions', 'localurle' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'fullurl', array( 'CoreParserFunctions', 'fullurl' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'fullurle', array( 'CoreParserFunctions', 'fullurle' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'formatnum', array( 'CoreParserFunctions', 'formatnum' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'grammar', array( 'CoreParserFunctions', 'grammar' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'plural', array( 'CoreParserFunctions', 'plural' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberofpages', array( 'CoreParserFunctions', 'numberofpages' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberofusers', array( 'CoreParserFunctions', 'numberofusers' ), SFH_NO_HASH );
$this->setFunctionHook( 'numberofarticles', array( 'CoreParserFunctions', 'numberofarticles' ), SFH_NO_HASH );
- $this->setFunctionHook( 'numberoffiles', array( 'CoreParserFunctions', 'numberoffiles' ), SFH_NO_HASH );
- $this->setFunctionHook( 'numberofadmins', array( 'CoreParserFunctions', 'numberofadmins' ), SFH_NO_HASH );
- $this->setFunctionHook( 'numberofedits', array( 'CoreParserFunctions', 'numberofedits' ), SFH_NO_HASH );
- $this->setFunctionHook( 'language', array( 'CoreParserFunctions', 'language' ), SFH_NO_HASH );
- $this->setFunctionHook( 'padleft', array( 'CoreParserFunctions', 'padleft' ), SFH_NO_HASH );
- $this->setFunctionHook( 'padright', array( 'CoreParserFunctions', 'padright' ), SFH_NO_HASH );
- $this->setFunctionHook( 'anchorencode', array( 'CoreParserFunctions', 'anchorencode' ), SFH_NO_HASH );
- $this->setFunctionHook( 'special', array( 'CoreParserFunctions', 'special' ) );
- $this->setFunctionHook( 'defaultsort', array( 'CoreParserFunctions', 'defaultsort' ), SFH_NO_HASH );
- $this->setFunctionHook( 'filepath', array( 'CoreParserFunctions', 'filepath' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberoffiles', array( 'CoreParserFunctions', 'numberoffiles' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberofadmins', array( 'CoreParserFunctions', 'numberofadmins' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'numberofedits', array( 'CoreParserFunctions', 'numberofedits' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'language', array( 'CoreParserFunctions', 'language' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'padleft', array( 'CoreParserFunctions', 'padleft' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'padright', array( 'CoreParserFunctions', 'padright' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'anchorencode', array( 'CoreParserFunctions', 'anchorencode' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'special', array( 'CoreParserFunctions', 'special' ) );
+ $this->setFunctionHook( 'defaultsort', array( 'CoreParserFunctions', 'defaultsort' ), SFH_NO_HASH );
+ $this->setFunctionHook( 'filepath', array( 'CoreParserFunctions', 'filepath' ), SFH_NO_HASH );
if ( $wgAllowDisplayTitle ) {
$this->setFunctionHook( 'displaytitle', array( 'CoreParserFunctions', 'displaytitle' ), SFH_NO_HASH );
$this->mDTopen = false;
$this->mIncludeCount = array();
$this->mStripState = new StripState;
- $this->mArgStack = array();
+ $this->mArgStack = false;
$this->mInPre = false;
$this->mInterwikiLinkHolders = array(
'texts' => array(),
* Using it at the front also gives us a little extra robustness
* since it shouldn't match when butted up against identifier-like
* string constructs.
+ *
+ * Must not consist of all title characters, or else it will change
+ * the behaviour of <nowiki> in a link.
*/
- $this->mUniqPrefix = "\x07UNIQ" . Parser::getRandomString();
+ #$this->mUniqPrefix = "\x07UNIQ" . Parser::getRandomString();
+ $this->mUniqPrefix = "\x7fUNIQ" . Parser::getRandomString();
# Clear these on every parse, bug 4549
- $this->mTemplates = array();
$this->mTemplatePath = array();
+ $this->mTplExpandCache = $this->mTplRedirCache = $this->mTplDomCache = array();
$this->mShowToc = true;
$this->mForceTocPosition = false;
$this->mIncludeSizes = array(
- 'pre-expand' => 0,
'post-expand' => 0,
- 'arg' => 0
+ 'arg' => 0,
);
+ $this->mPPNodeCount = 0;
$this->mDefaultSort = false;
+ $this->mHeadings = array();
wfRunHooks( 'ParserClearState', array( &$this ) );
wfProfileOut( __METHOD__ );
* @public
*/
function uniqPrefix() {
+ if( !isset( $this->mUniqPrefix ) ) {
+ // @fixme this is probably *horribly wrong*
+ // LanguageConverter seems to want $wgParser's uniqPrefix, however
+ // if this is called for a parser cache hit, the parser may not
+ // have ever been initialized in the first place.
+ // Not really sure what the heck is supposed to be going on here.
+ return '';
+ //throw new MWException( "Accessing uninitialized mUniqPrefix" );
+ }
return $this->mUniqPrefix;
}
}
$this->setOutputType( OT_HTML );
wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
- $text = $this->strip( $text, $this->mStripState );
+ # No more strip!
wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
$text = $this->internalParse( $text );
$text = $this->mStripState->unstripGeneral( $text );
//!JF Move to its own function
$uniq_prefix = $this->mUniqPrefix;
- $matches = array();
+ $matches = array();
$elements = array_keys( $this->mTransparentTagHooks );
- $text = Parser::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
-
- foreach( $matches as $marker => $data ) {
- list( $element, $content, $params, $tag ) = $data;
- $tagName = strtolower( $element );
- if( isset( $this->mTransparentTagHooks[$tagName] ) ) {
- $output = call_user_func_array( $this->mTransparentTagHooks[$tagName],
- array( $content, $params, $this ) );
- } else {
+ $text = Parser::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
+
+ foreach( $matches as $marker => $data ) {
+ list( $element, $content, $params, $tag ) = $data;
+ $tagName = strtolower( $element );
+ if( isset( $this->mTransparentTagHooks[$tagName] ) ) {
+ $output = call_user_func_array( $this->mTransparentTagHooks[$tagName],
+ array( $content, $params, $this ) );
+ } else {
$output = $tag;
}
$this->mStripState->general->setPair( $marker, $output );
wfRunHooks( 'ParserAfterTidy', array( &$this, &$text ) );
# Information on include size limits, for the benefit of users who try to skirt them
- if ( max( $this->mIncludeSizes ) > 1000 ) {
+ if ( $this->mOptions->getEnableLimitReport() ) {
$max = $this->mOptions->getMaxIncludeSize();
- $text .= "<!-- \n" .
- "Pre-expand include size: {$this->mIncludeSizes['pre-expand']} bytes\n" .
- "Post-expand include size: {$this->mIncludeSizes['post-expand']} bytes\n" .
- "Template argument size: {$this->mIncludeSizes['arg']} bytes\n" .
- "Maximum: $max bytes\n" .
- "-->\n";
+ $limitReport =
+ "Preprocessor node count: {$this->mPPNodeCount}/{$this->mOptions->mMaxPPNodeCount}\n" .
+ "Post-expand include size: {$this->mIncludeSizes['post-expand']}/$max bytes\n" .
+ "Template argument size: {$this->mIncludeSizes['arg']}/$max bytes\n";
+ wfRunHooks( 'ParserLimitReport', array( $this, &$limitReport ) );
+ $text .= "\n<!-- \n$limitReport-->\n";
}
$this->mOutput->setText( $text );
$this->mRevisionId = $oldRevisionId;
function recursiveTagParse( $text ) {
wfProfileIn( __METHOD__ );
wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
- $text = $this->strip( $text, $this->mStripState );
wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
$text = $this->internalParse( $text );
wfProfileOut( __METHOD__ );
$this->mRevisionId = $revid;
}
wfRunHooks( 'ParserBeforeStrip', array( &$this, &$text, &$this->mStripState ) );
- $text = $this->strip( $text, $this->mStripState );
wfRunHooks( 'ParserAfterStrip', array( &$this, &$text, &$this->mStripState ) );
+ $text = $this->replaceVariables( $text );
if ( $this->mOptions->getRemoveComments() ) {
$text = Sanitizer::removeHTMLcomments( $text );
}
- $text = $this->replaceVariables( $text );
$text = $this->mStripState->unstripBoth( $text );
wfProfileOut( __METHOD__ );
return $text;
$inside = $p[4];
}
- $marker = "$uniq_prefix-$element-" . sprintf('%08X', $n++) . "-QINU\x07";
+ $marker = "$uniq_prefix-$element-" . sprintf('%08X', $n++) . $this->mMarkerSuffix;
$stripped .= $marker;
if ( $close === '/>' ) {
}
/**
- * Strips and renders nowiki, pre, math, hiero
- * If $render is set, performs necessary rendering operations on plugins
- * Returns the text, and fills an array with data needed in unstrip()
- *
- * @param StripState $state
- *
- * @param bool $stripcomments when set, HTML comments <!-- like this -->
- * will be stripped in addition to other tags. This is important
- * for section editing, where these comments cause confusion when
- * counting the sections in the wikisource
- *
- * @param array dontstrip contains tags which should not be stripped;
- * used to prevent stipping of <gallery> when saving (fixes bug 2700)
- *
- * @private
+ * Get a list of strippable XML-like elements
*/
- function strip( $text, $state, $stripcomments = false , $dontstrip = array () ) {
- global $wgContLang;
- wfProfileIn( __METHOD__ );
- $render = ($this->mOutputType == OT_HTML);
-
- $uniq_prefix = $this->mUniqPrefix;
- $commentState = new ReplacementArray;
- $nowikiItems = array();
- $generalItems = array();
-
- $elements = array_merge(
- array( 'nowiki', 'gallery' ),
- array_keys( $this->mTagHooks ) );
+ function getStripList() {
global $wgRawHtml;
+ $elements = $this->mStripList;
if( $wgRawHtml ) {
$elements[] = 'html';
}
if( $this->mOptions->getUseTeX() ) {
$elements[] = 'math';
}
+ return $elements;
+ }
- # Removing $dontstrip tags from $elements list (currently only 'gallery', fixing bug 2700)
- foreach ( $elements AS $k => $v ) {
- if ( !in_array ( $v , $dontstrip ) ) continue;
- unset ( $elements[$k] );
- }
-
- $matches = array();
- $text = Parser::extractTagsAndParams( $elements, $text, $matches, $uniq_prefix );
-
- foreach( $matches as $marker => $data ) {
- list( $element, $content, $params, $tag ) = $data;
- if( $render ) {
- $tagName = strtolower( $element );
- wfProfileIn( __METHOD__."-render-$tagName" );
- switch( $tagName ) {
- case '!--':
- // Comment
- if( substr( $tag, -3 ) == '-->' ) {
- $output = $tag;
- } else {
- // Unclosed comment in input.
- // Close it so later stripping can remove it
- $output = "$tag-->";
- }
- break;
- case 'html':
- if( $wgRawHtml ) {
- $output = $content;
- break;
- }
- // Shouldn't happen otherwise. :)
- case 'nowiki':
- $output = Xml::escapeTagsOnly( $content );
- break;
- case 'math':
- $output = $wgContLang->armourMath(
- MathRenderer::renderMath( $content, $params ) );
- break;
- case 'gallery':
- $output = $this->renderImageGallery( $content, $params );
- break;
- default:
- if( isset( $this->mTagHooks[$tagName] ) ) {
- $output = call_user_func_array( $this->mTagHooks[$tagName],
- array( $content, $params, $this ) );
- } else {
- throw new MWException( "Invalid call hook $element" );
- }
- }
- wfProfileOut( __METHOD__."-render-$tagName" );
- } else {
- // Just stripping tags; keep the source
- $output = $tag;
- }
-
- // Unstrip the output, to support recursive strip() calls
- $output = $state->unstripBoth( $output );
-
- if( !$stripcomments && $element == '!--' ) {
- $commentState->setPair( $marker, $output );
- } elseif ( $element == 'html' || $element == 'nowiki' ) {
- $nowikiItems[$marker] = $output;
- } else {
- $generalItems[$marker] = $output;
- }
- }
- # Add the new items to the state
- # We do this after the loop instead of during it to avoid slowing
- # down the recursive unstrip
- $state->nowiki->mergeArray( $nowikiItems );
- $state->general->mergeArray( $generalItems );
-
- # Unstrip comments unless explicitly told otherwise.
- # (The comments are always stripped prior to this point, so as to
- # not invoke any extension tags / parser hooks contained within
- # a comment.)
- if ( !$stripcomments ) {
- // Put them all back and forget them
- $text = $commentState->replace( $text );
- }
-
- wfProfileOut( __METHOD__ );
+ /**
+ * @deprecated use replaceVariables
+ */
+ function strip( $text, $state, $stripcomments = false , $dontstrip = array () ) {
return $text;
}
*
* @private
*/
- function insertStripItem( $text, &$state ) {
- $rnd = $this->mUniqPrefix . '-item' . Parser::getRandomString();
- $state->general->setPair( $rnd, $text );
+ function insertStripItem( $text ) {
+ static $n = 0;
+ $rnd = "{$this->mUniqPrefix}-item-$n-{$this->mMarkerSuffix}";
+ ++$n;
+ $this->mStripState->general->setPair( $rnd, $text );
return $rnd;
}
/**
* Use the HTML tidy PECL extension to use the tidy library in-process,
- * saving the overhead of spawning a new process. Currently written to
- * the PHP 4.3.x version of the extension, may not work on PHP 5.
+ * saving the overhead of spawning a new process.
*
* 'pear install tidy' should be able to compile the extension module.
*
* @static
*/
function internalTidy( $text ) {
- global $wgTidyConf;
+ global $wgTidyConf, $IP, $wgDebugTidy;
$fname = 'Parser::internalTidy';
wfProfileIn( $fname );
- tidy_load_config( $wgTidyConf );
- tidy_set_encoding( 'utf8' );
- tidy_parse_string( $text );
- tidy_clean_repair();
- if( tidy_get_status() == 2 ) {
+ $tidy = new tidy;
+ $tidy->parseString( $text, $wgTidyConf, 'utf8' );
+ $tidy->cleanRepair();
+ if( $tidy->getStatus() == 2 ) {
// 2 is magic number for fatal error
// http://www.php.net/manual/en/function.tidy-get-status.php
$cleansource = null;
} else {
- $cleansource = tidy_get_output();
+ $cleansource = tidy_get_output( $tidy );
+ }
+ if ( $wgDebugTidy && $tidy->getStatus() > 0 ) {
+ $cleansource .= "<!--\nTidy reports:\n" .
+ str_replace( '-->', '-->', $tidy->errorBuffer ) .
+ "\n-->";
}
+
wfProfileOut( $fname );
return $cleansource;
}
* @private
*/
function internalParse( $text ) {
- $args = array();
$isMain = true;
$fname = 'Parser::internalParse';
wfProfileIn( $fname );
return $text ;
}
- # Remove <noinclude> tags and <includeonly> sections
- $text = strtr( $text, array( '<onlyinclude>' => '' , '</onlyinclude>' => '' ) );
- $text = strtr( $text, array( '<noinclude>' => '', '</noinclude>' => '') );
- $text = StringUtils::delimiterReplace( '<includeonly>', '</includeonly>', '', $text );
-
- $text = Sanitizer::removeHTMLtags( $text, array( &$this, 'attributeStripCallback' ), array(), array_keys( $this->mTransparentTagHooks ) );
-
- $text = $this->replaceVariables( $text, $args );
+ $text = $this->replaceVariables( $text );
+ $text = Sanitizer::removeHTMLtags( $text, array( &$this, 'attributeStripCallback' ), false, array_keys( $this->mTransparentTagHooks ) );
wfRunHooks( 'InternalParseBeforeLinks', array( &$this, &$text, &$this->mStripState ) );
// Tables need to come after variable replacement for things to work
*
* @private
*/
- function &doMagicLinks( &$text ) {
+ function doMagicLinks( $text ) {
wfProfileIn( __METHOD__ );
$text = preg_replace_callback(
'!(?: # Start cases
wfProfileIn( $fname );
for ( $i = 6; $i >= 1; --$i ) {
$h = str_repeat( '=', $i );
- $text = preg_replace( "/^{$h}(.+){$h}\\s*$/m",
- "<h{$i}>\\1</h{$i}>\\2", $text );
+ $text = preg_replace( "/^$h(.+)$h\\s*$/m",
+ "<h$i>\\1</h$i>", $text );
}
wfProfileOut( $fname );
return $text;
$sk = $this->mOptions->getSkin();
- $bits = preg_split( EXT_LINK_BRACKETED, $text, -1, PREG_SPLIT_DELIM_CAPTURE );
+ $bits = preg_split( $this->mExtLinkBracketedRegex, $text, -1, PREG_SPLIT_DELIM_CAPTURE );
$s = $this->replaceFreeExternalLinks( array_shift( $bits ) );
$remainder = $bits[$i++];
$m = array();
- if ( preg_match( '/^('.EXT_LINK_URL_CLASS.'+)(.*)$/s', $remainder, $m ) ) {
+ if ( preg_match( '/^('.self::EXT_LINK_URL_CLASS.'+)(.*)$/s', $remainder, $m ) ) {
# Found some characters after the protocol that look promising
$url = $protocol . $m[1];
$trail = $m[2];
if(strlen($trail) == 0 &&
isset($bits[$i]) &&
preg_match('/^'. wfUrlProtocols() . '$/S', $bits[$i]) &&
- preg_match( '/^('.EXT_LINK_URL_CLASS.'+)(.*)$/s', $bits[$i + 1], $m ))
+ preg_match( '/^('.self::EXT_LINK_URL_CLASS.'+)(.*)$/s', $bits[$i + 1], $m ))
{
# add protocol, arg
$url .= $bits[$i] . $m[1]; # protocol, url as arg to previous link
$text = false;
if ( $this->mOptions->getAllowExternalImages()
|| ( $imagesexception && strpos( $url, $imagesfrom ) === 0 ) ) {
- if ( preg_match( EXT_IMAGE_REGEX, $url ) ) {
+ if ( preg_match( self::EXT_IMAGE_REGEX, $url ) ) {
# Image found
$text = $sk->makeExternalImage( htmlspecialchars( $url ) );
}
# Match cases where there is no "]]", which might still be images
static $e1_img = FALSE;
if ( !$e1_img ) { $e1_img = "/^([{$tc}]+)\\|(.*)\$/sD"; }
- # Match the end of a line for a word that's not followed by whitespace,
- # e.g. in the case of 'The Arab al[[Razi]]', 'al' will be matched
- $e2 = wfMsgForContent( 'linkprefix' );
$useLinkPrefixExtension = $wgContLang->linkPrefixExtension();
+ $e2 = null;
+ if ( $useLinkPrefixExtension ) {
+ # Match the end of a line for a word that's not followed by whitespace,
+ # e.g. in the case of 'The Arab al[[Razi]]', 'al' will be matched
+ $e2 = wfMsgForContent( 'linkprefix' );
+ }
+
if( is_null( $this->mTitle ) ) {
throw new MWException( __METHOD__.": \$this->mTitle is null\n" );
}
}
// Ugly state machine to walk through avoiding tags.
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
$stack = 0;
$len = strlen( $str );
for( $i = 0; $i < $len; $i++ ) {
switch( $state ) {
// (Using the number is a performance hack for common cases)
- case 0: // MW_COLON_STATE_TEXT:
+ case 0: // self::COLON_STATE_TEXT:
switch( $c ) {
case "<":
// Could be either a <start> tag or an </end> tag
- $state = MW_COLON_STATE_TAGSTART;
+ $state = self::COLON_STATE_TAGSTART;
break;
case ":":
if( $stack == 0 ) {
}
// Skip ahead to next tag start
$i = $lt;
- $state = MW_COLON_STATE_TAGSTART;
+ $state = self::COLON_STATE_TAGSTART;
}
break;
- case 1: // MW_COLON_STATE_TAG:
+ case 1: // self::COLON_STATE_TAG:
// In a <tag>
switch( $c ) {
case ">":
$stack++;
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
break;
case "/":
// Slash may be followed by >?
- $state = MW_COLON_STATE_TAGSLASH;
+ $state = self::COLON_STATE_TAGSLASH;
break;
default:
// ignore
}
break;
- case 2: // MW_COLON_STATE_TAGSTART:
+ case 2: // self::COLON_STATE_TAGSTART:
switch( $c ) {
case "/":
- $state = MW_COLON_STATE_CLOSETAG;
+ $state = self::COLON_STATE_CLOSETAG;
break;
case "!":
- $state = MW_COLON_STATE_COMMENT;
+ $state = self::COLON_STATE_COMMENT;
break;
case ">":
// Illegal early close? This shouldn't happen D:
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
break;
default:
- $state = MW_COLON_STATE_TAG;
+ $state = self::COLON_STATE_TAG;
}
break;
- case 3: // MW_COLON_STATE_CLOSETAG:
+ case 3: // self::COLON_STATE_CLOSETAG:
// In a </tag>
if( $c == ">" ) {
$stack--;
wfProfileOut( $fname );
return false;
}
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
}
break;
- case MW_COLON_STATE_TAGSLASH:
+ case self::COLON_STATE_TAGSLASH:
if( $c == ">" ) {
// Yes, a self-closed tag <blah/>
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
} else {
// Probably we're jumping the gun, and this is an attribute
- $state = MW_COLON_STATE_TAG;
+ $state = self::COLON_STATE_TAG;
}
break;
- case 5: // MW_COLON_STATE_COMMENT:
+ case 5: // self::COLON_STATE_COMMENT:
if( $c == "-" ) {
- $state = MW_COLON_STATE_COMMENTDASH;
+ $state = self::COLON_STATE_COMMENTDASH;
}
break;
- case MW_COLON_STATE_COMMENTDASH:
+ case self::COLON_STATE_COMMENTDASH:
if( $c == "-" ) {
- $state = MW_COLON_STATE_COMMENTDASHDASH;
+ $state = self::COLON_STATE_COMMENTDASHDASH;
} else {
- $state = MW_COLON_STATE_COMMENT;
+ $state = self::COLON_STATE_COMMENT;
}
break;
- case MW_COLON_STATE_COMMENTDASHDASH:
+ case self::COLON_STATE_COMMENTDASHDASH:
if( $c == ">" ) {
- $state = MW_COLON_STATE_TEXT;
+ $state = self::COLON_STATE_TEXT;
} else {
- $state = MW_COLON_STATE_COMMENT;
+ $state = self::COLON_STATE_COMMENT;
}
break;
default:
$subjPage = $this->mTitle->getSubjectPage();
return $subjPage->getPrefixedUrl();
case 'revisionid':
+ // Let the edit saving system know we should parse the page
+ // *after* a revision ID has been assigned.
+ $this->mOutput->setFlag( 'vary-revision' );
+ wfDebug( __METHOD__ . ": {{REVISIONID}} used, setting vary-revision...\n" );
return $this->mRevisionId;
case 'revisionday':
+ // Let the edit saving system know we should parse the page
+ // *after* a revision ID has been assigned. This is for null edits.
+ $this->mOutput->setFlag( 'vary-revision' );
+ wfDebug( __METHOD__ . ": {{REVISIONDAY}} used, setting vary-revision...\n" );
return intval( substr( $this->getRevisionTimestamp(), 6, 2 ) );
case 'revisionday2':
+ // Let the edit saving system know we should parse the page
+ // *after* a revision ID has been assigned. This is for null edits.
+ $this->mOutput->setFlag( 'vary-revision' );
+ wfDebug( __METHOD__ . ": {{REVISIONDAY2}} used, setting vary-revision...\n" );
return substr( $this->getRevisionTimestamp(), 6, 2 );
case 'revisionmonth':
+ // Let the edit saving system know we should parse the page
+ // *after* a revision ID has been assigned. This is for null edits.
+ $this->mOutput->setFlag( 'vary-revision' );
+ wfDebug( __METHOD__ . ": {{REVISIONMONTH}} used, setting vary-revision...\n" );
return intval( substr( $this->getRevisionTimestamp(), 4, 2 ) );
case 'revisionyear':
+ // Let the edit saving system know we should parse the page
+ // *after* a revision ID has been assigned. This is for null edits.
+ $this->mOutput->setFlag( 'vary-revision' );
+ wfDebug( __METHOD__ . ": {{REVISIONYEAR}} used, setting vary-revision...\n" );
return substr( $this->getRevisionTimestamp(), 0, 4 );
case 'revisiontimestamp':
+ // Let the edit saving system know we should parse the page
+ // *after* a revision ID has been assigned. This is for null edits.
+ $this->mOutput->setFlag( 'vary-revision' );
+ wfDebug( __METHOD__ . ": {{REVISIONTIMESTAMP}} used, setting vary-revision...\n" );
return $this->getRevisionTimestamp();
case 'namespace':
return str_replace('_',' ',$wgContLang->getNsText( $this->mTitle->getNamespace() ) );
case 'numberofpages':
return $varCache[$index] = $wgContLang->formatNum( SiteStats::pages() );
case 'numberofadmins':
- return $varCache[$index] = $wgContLang->formatNum( SiteStats::admins() );
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::admins() );
case 'numberofedits':
- return $varCache[$index] = $wgContLang->formatNum( SiteStats::edits() );
+ return $varCache[$index] = $wgContLang->formatNum( SiteStats::edits() );
case 'currenttimestamp':
return $varCache[$index] = wfTimestampNow();
case 'localtimestamp':
wfProfileIn( $fname );
$variableIDs = MagicWord::getVariableIDs();
- $this->mVariables = array();
- foreach ( $variableIDs as $id ) {
- $mw =& MagicWord::get( $id );
- $mw->addToArray( $this->mVariables, $id );
- }
+ $this->mVariables = new MagicWordArray( $variableIDs );
wfProfileOut( $fname );
}
/**
- * parse any parentheses in format ((title|part|part))
- * and call callbacks to get a replacement text for any found piece
+ * Preprocess some wikitext and return the document tree.
+ * This is the ghost of replace_variables().
*
* @param string $text The text to parse
- * @param array $callbacks rules in form:
- * '{' => array( # opening parentheses
- * 'end' => '}', # closing parentheses
- * 'cb' => array(2 => callback, # replacement callback to call if {{..}} is found
- * 3 => callback # replacement callback to call if {{{..}}} is found
- * )
- * )
- * 'min' => 2, # Minimum parenthesis count in cb
- * 'max' => 3, # Maximum parenthesis count in cb
+ * @param integer flags Bitwise combination of:
+ * self::PTD_FOR_INCLUSION Handle <noinclude>/<includeonly> as if the text is being
+ * included. Default is to assume a direct page view.
+ *
+ * The generated DOM tree must depend only on the input text, the flags, and $this->ot['msg'].
+ * The DOM tree must be the same in OT_HTML and OT_WIKI mode, to avoid a regression of bug 4899.
+ *
+ * Any flag added to the $flags parameter here, or any other parameter liable to cause a
+ * change in the DOM tree for a given text, must be passed through the section identifier
+ * in the section edit link and thus back to extractSections().
+ *
+ * The output of this function is currently only cached in process memory, but a persistent
+ * cache may be implemented at a later date which takes further advantage of these strict
+ * dependency requirements.
+ *
* @private
*/
- function replace_callback ($text, $callbacks) {
+ function preprocessToDom ( $text, $flags = 0 ) {
wfProfileIn( __METHOD__ );
- $openingBraceStack = array(); # this array will hold a stack of parentheses which are not closed yet
- $lastOpeningBrace = -1; # last not closed parentheses
+ wfProfileIn( __METHOD__.'-makexml' );
+
+ static $msgRules, $normalRules, $inclusionSupertags, $nonInclusionSupertags;
+ if ( !$msgRules ) {
+ $msgRules = array(
+ '{' => array(
+ 'end' => '}',
+ 'names' => array(
+ 2 => 'template',
+ ),
+ 'min' => 2,
+ 'max' => 2,
+ ),
+ '[' => array(
+ 'end' => ']',
+ 'names' => array( 2 => null ),
+ 'min' => 2,
+ 'max' => 2,
+ )
+ );
+ $normalRules = array(
+ '{' => array(
+ 'end' => '}',
+ 'names' => array(
+ 2 => 'template',
+ 3 => 'tplarg',
+ ),
+ 'min' => 2,
+ 'max' => 3,
+ ),
+ '[' => array(
+ 'end' => ']',
+ 'names' => array( 2 => null ),
+ 'min' => 2,
+ 'max' => 2,
+ )
+ );
+ }
+ if ( $this->ot['msg'] ) {
+ $rules = $msgRules;
+ } else {
+ $rules = $normalRules;
+ }
+ $forInclusion = $flags & self::PTD_FOR_INCLUSION;
+
+ $xmlishElements = $this->getStripList();
+ $enableOnlyinclude = false;
+ if ( $forInclusion ) {
+ $ignoredTags = array( 'includeonly', '/includeonly' );
+ $ignoredElements = array( 'noinclude' );
+ $xmlishElements[] = 'noinclude';
+ if ( strpos( $text, '<onlyinclude>' ) !== false && strpos( $text, '</onlyinclude>' ) !== false ) {
+ $enableOnlyinclude = true;
+ }
+ } else {
+ $ignoredTags = array( 'noinclude', '/noinclude', 'onlyinclude', '/onlyinclude' );
+ $ignoredElements = array( 'includeonly' );
+ $xmlishElements[] = 'includeonly';
+ }
+ $xmlishRegex = implode( '|', array_merge( $xmlishElements, $ignoredTags ) );
- $validOpeningBraces = implode( '', array_keys( $callbacks ) );
+ // Use "A" modifier (anchored) instead of "^", because ^ doesn't work with an offset
+ $elementsRegex = "~($xmlishRegex)(?:\s|\/>|>)|(!--)~iA";
+
+ $stack = array(); # Stack of unclosed parentheses
+ $stackIndex = -1; # Stack read pointer
+
+ $searchBase = implode( '', array_keys( $rules ) ) . '<';
+ $revText = strrev( $text ); // For fast reverse searches
+
+ $i = -1; # Input pointer, starts out pointing to a pseudo-newline before the start
+ $topAccum = '<root>'; # Top level text accumulator
+ $accum =& $topAccum; # Current text accumulator
+ $findEquals = false; # True to find equals signs in arguments
+ $findHeading = false; # True to look at LF characters for possible headings
+ $findPipe = false; # True to take notice of pipe characters
+ $headingIndex = 1;
+ $noMoreGT = false; # True if there are no more greater-than (>) signs right of $i
+ $findOnlyinclude = $enableOnlyinclude; # True to ignore all input up to the next <onlyinclude>
+
+ if ( $enableOnlyinclude ) {
+ $i = 0;
+ }
- $i = 0;
- while ( $i < strlen( $text ) ) {
- # Find next opening brace, closing brace or pipe
- if ( $lastOpeningBrace == -1 ) {
- $currentClosing = '';
- $search = $validOpeningBraces;
- } else {
- $currentClosing = $openingBraceStack[$lastOpeningBrace]['braceEnd'];
- $search = $validOpeningBraces . '|' . $currentClosing;
+ while ( true ) {
+ if ( $findOnlyinclude ) {
+ // Ignore all input up to the next <onlyinclude>
+ $startPos = strpos( $text, '<onlyinclude>', $i );
+ if ( $startPos === false ) {
+ // Ignored section runs to the end
+ $accum .= '<ignore>' . htmlspecialchars( substr( $text, $i ) ) . '</ignore>';
+ break;
+ }
+ $tagEndPos = $startPos + strlen( '<onlyinclude>' ); // past-the-end
+ $accum .= '<ignore>' . htmlspecialchars( substr( $text, $i, $tagEndPos - $i ) ) . '</ignore>';
+ $i = $tagEndPos;
+ $findOnlyinclude = false;
}
- $rule = null;
- $i += strcspn( $text, $search, $i );
- if ( $i < strlen( $text ) ) {
- if ( $text[$i] == '|' ) {
- $found = 'pipe';
- } elseif ( $text[$i] == $currentClosing ) {
- $found = 'close';
- } elseif ( isset( $callbacks[$text[$i]] ) ) {
- $found = 'open';
- $rule = $callbacks[$text[$i]];
+
+ if ( $i == -1 ) {
+ $found = 'line-start';
+ $curChar = '';
+ } else {
+ # Find next opening brace, closing brace or pipe
+ $search = $searchBase;
+ if ( $stackIndex == -1 ) {
+ $currentClosing = '';
+ // Look for headings only at the top stack level
+ // Among other things, this resolves the ambiguity between =
+ // for headings and = for template arguments
+ $search .= "\n";
+ } else {
+ $currentClosing = $stack[$stackIndex]['close'];
+ $search .= $currentClosing;
+ }
+ if ( $findPipe ) {
+ $search .= '|';
+ }
+ if ( $findEquals ) {
+ $search .= '=';
+ }
+ $rule = null;
+ # Output literal section, advance input counter
+ $literalLength = strcspn( $text, $search, $i );
+ if ( $literalLength > 0 ) {
+ $accum .= htmlspecialchars( substr( $text, $i, $literalLength ) );
+ $i += $literalLength;
+ }
+ if ( $i >= strlen( $text ) ) {
+ if ( $currentClosing == "\n" ) {
+ // Do a past-the-end run to finish off the heading
+ $curChar = '';
+ $found = 'line-end';
+ } else {
+ # All done
+ break;
+ }
} else {
- # Some versions of PHP have a strcspn which stops on null characters
- # Ignore and continue
+ $curChar = $text[$i];
+ if ( $curChar == '|' ) {
+ $found = 'pipe';
+ } elseif ( $curChar == '=' ) {
+ $found = 'equals';
+ } elseif ( $curChar == '<' ) {
+ $found = 'angle';
+ } elseif ( $curChar == "\n" ) {
+ if ( $stackIndex == -1 ) {
+ $found = 'line-start';
+ } else {
+ $found = 'line-end';
+ }
+ } elseif ( $curChar == $currentClosing ) {
+ $found = 'close';
+ } elseif ( isset( $rules[$curChar] ) ) {
+ $found = 'open';
+ $rule = $rules[$curChar];
+ } else {
+ # Some versions of PHP have a strcspn which stops on null characters
+ # Ignore and continue
+ ++$i;
+ continue;
+ }
+ }
+ }
+
+ if ( $found == 'angle' ) {
+ $matches = false;
+ // Handle </onlyinclude>
+ if ( $enableOnlyinclude && substr( $text, $i, strlen( '</onlyinclude>' ) ) == '</onlyinclude>' ) {
+ $findOnlyinclude = true;
+ continue;
+ }
+
+ // Determine element name
+ if ( !preg_match( $elementsRegex, $text, $matches, 0, $i + 1 ) ) {
+ // Element name missing or not listed
+ $accum .= '<';
++$i;
continue;
}
- } else {
- # All done
- break;
+ // Handle comments
+ if ( isset( $matches[2] ) && $matches[2] == '!--' ) {
+ // To avoid leaving blank lines, when a comment is both preceded
+ // and followed by a newline (ignoring spaces), trim leading and
+ // trailing spaces and one of the newlines.
+
+ // Find the end
+ $endPos = strpos( $text, '-->', $i + 4 );
+ if ( $endPos === false ) {
+ // Unclosed comment in input, runs to end
+ $inner = substr( $text, $i );
+ $accum .= '<comment>' . htmlspecialchars( $inner ) . '</comment>';
+ $i = strlen( $text );
+ } else {
+ // Search backwards for leading whitespace
+ $wsStart = $i ? ( $i - strspn( $revText, ' ', strlen( $text ) - $i ) ) : 0;
+ // Search forwards for trailing whitespace
+ // $wsEnd will be the position of the last space
+ $wsEnd = $endPos + 2 + strspn( $text, ' ', $endPos + 3 );
+ // Eat the line if possible
+ if ( $wsStart > 0 && substr( $text, $wsStart - 1, 1 ) == "\n"
+ && substr( $text, $wsEnd + 1, 1 ) == "\n" )
+ {
+ $startPos = $wsStart;
+ $endPos = $wsEnd + 1;
+ // Remove leading whitespace from the end of the accumulator
+ // Sanity check first though
+ $wsLength = $i - $wsStart;
+ if ( $wsLength > 0 && substr( $accum, -$wsLength ) === str_repeat( ' ', $wsLength ) ) {
+ $accum = substr( $accum, 0, -$wsLength );
+ }
+ } else {
+ // No line to eat, just take the comment itself
+ $startPos = $i;
+ $endPos += 2;
+ }
+
+ $inner = substr( $text, $startPos, $endPos - $startPos + 1 );
+ $accum .= '<comment>' . htmlspecialchars( $inner ) . '</comment>';
+ $i = $endPos + 1;
+ }
+ continue;
+ }
+ $name = $matches[1];
+ $attrStart = $i + strlen( $name ) + 1;
+
+ // Find end of tag
+ $tagEndPos = $noMoreGT ? false : strpos( $text, '>', $attrStart );
+ if ( $tagEndPos === false ) {
+ // Infinite backtrack
+ // Disable tag search to prevent worst-case O(N^2) performance
+ $noMoreGT = true;
+ $accum .= '<';
+ ++$i;
+ continue;
+ }
+
+ // Handle ignored tags
+ if ( in_array( $name, $ignoredTags ) ) {
+ $accum .= '<ignore>' . htmlspecialchars( substr( $text, $i, $tagEndPos - $i + 1 ) ) . '</ignore>';
+ $i = $tagEndPos + 1;
+ continue;
+ }
+
+ $tagStartPos = $i;
+ if ( $text[$tagEndPos-1] == '/' ) {
+ $attrEnd = $tagEndPos - 1;
+ $inner = null;
+ $i = $tagEndPos + 1;
+ $close = '';
+ } else {
+ $attrEnd = $tagEndPos;
+ // Find closing tag
+ if ( preg_match( "/<\/$name\s*>/i", $text, $matches, PREG_OFFSET_CAPTURE, $tagEndPos + 1 ) ) {
+ $inner = substr( $text, $tagEndPos + 1, $matches[0][1] - $tagEndPos - 1 );
+ $i = $matches[0][1] + strlen( $matches[0][0] );
+ $close = '<close>' . htmlspecialchars( $matches[0][0] ) . '</close>';
+ } else {
+ // No end tag -- let it run out to the end of the text.
+ $inner = substr( $text, $tagEndPos + 1 );
+ $i = strlen( $text );
+ $close = '';
+ }
+ }
+ // <includeonly> and <noinclude> just become <ignore> tags
+ if ( in_array( $name, $ignoredElements ) ) {
+ $accum .= '<ignore>' . htmlspecialchars( substr( $text, $tagStartPos, $i - $tagStartPos ) )
+ . '</ignore>';
+ continue;
+ }
+
+ $accum .= '<ext>';
+ if ( $attrEnd <= $attrStart ) {
+ $attr = '';
+ } else {
+ $attr = substr( $text, $attrStart, $attrEnd - $attrStart );
+ }
+ $accum .= '<name>' . htmlspecialchars( $name ) . '</name>' .
+ // Note that the attr element contains the whitespace between name and attribute,
+ // this is necessary for precise reconstruction during pre-save transform.
+ '<attr>' . htmlspecialchars( $attr ) . '</attr>';
+ if ( $inner !== null ) {
+ $accum .= '<inner>' . htmlspecialchars( $inner ) . '</inner>';
+ }
+ $accum .= $close . '</ext>';
}
- if ( $found == 'open' ) {
- # found opening brace, let's add it to parentheses stack
- $piece = array('brace' => $text[$i],
- 'braceEnd' => $rule['end'],
- 'title' => '',
- 'parts' => null);
+ elseif ( $found == 'line-start' ) {
+ // Is this the start of a heading?
+ // Line break belongs before the heading element in any case
+ $accum .= $curChar;
+ $i++;
+
+ $count = strspn( $text, '=', $i, 6 );
+ if ( $count > 0 ) {
+ $piece = array(
+ 'open' => "\n",
+ 'close' => "\n",
+ 'parts' => array( str_repeat( '=', $count ) ),
+ 'count' => $count );
+ $stack[++$stackIndex] = $piece;
+ $i += $count;
+ $accum =& $stack[$stackIndex]['parts'][0];
+ $findPipe = false;
+ }
+ }
+ elseif ( $found == 'line-end' ) {
+ $piece = $stack[$stackIndex];
+ // A heading must be open, otherwise \n wouldn't have been in the search list
+ assert( $piece['open'] == "\n" );
+ assert( $stackIndex == 0 );
+ // Search back through the input to see if it has a proper close
+ // Do this using the reversed string since the other solutions (end anchor, etc.) are inefficient
+ $m = false;
+ $count = $piece['count'];
+ if ( preg_match( "/\s*(={{$count}})/A", $revText, $m, 0, strlen( $text ) - $i ) ) {
+ // Found match, output <h>
+ $count = min( strlen( $m[1] ), $count );
+ $element = "<h level=\"$count\" i=\"$headingIndex\">$accum</h>";
+ $headingIndex++;
+ } else {
+ // No match, no <h>, just pass down the inner text
+ $element = $accum;
+ }
+ // Unwind the stack
+ // Headings can only occur on the top level, so this is a bit simpler than the
+ // generic stack unwind operation in the close case
+ unset( $stack[$stackIndex--] );
+ $accum =& $topAccum;
+ $findEquals = false;
+ $findPipe = false;
+
+ // Append the result to the enclosing accumulator
+ $accum .= $element;
+ // Note that we do NOT increment the input pointer.
+ // This is because the closing linebreak could be the opening linebreak of
+ // another heading. Infinite loops are avoided because the next iteration MUST
+ // hit the heading open case above, which unconditionally increments the
+ // input pointer.
+ }
+
+ elseif ( $found == 'open' ) {
# count opening brace characters
- $piece['count'] = strspn( $text, $piece['brace'], $i );
- $piece['startAt'] = $piece['partStart'] = $i + $piece['count'];
- $i += $piece['count'];
+ $count = strspn( $text, $curChar, $i );
# we need to add to stack only if opening brace count is enough for one of the rules
- if ( $piece['count'] >= $rule['min'] ) {
- $lastOpeningBrace ++;
- $openingBraceStack[$lastOpeningBrace] = $piece;
+ if ( $count >= $rule['min'] ) {
+ # Add it to the stack
+ $piece = array(
+ 'open' => $curChar,
+ 'close' => $rule['end'],
+ 'count' => $count,
+ 'parts' => array( '' ),
+ 'eqpos' => array(),
+ 'lineStart' => ($i > 0 && $text[$i-1] == "\n"),
+ );
+
+ $stackIndex ++;
+ $stack[$stackIndex] = $piece;
+ $accum =& $stack[$stackIndex]['parts'][0];
+ $findEquals = false;
+ $findPipe = true;
+ } else {
+ # Add literal brace(s)
+ $accum .= htmlspecialchars( str_repeat( $curChar, $count ) );
}
- } elseif ( $found == 'close' ) {
- # lets check if it is enough characters for closing brace
- $maxCount = $openingBraceStack[$lastOpeningBrace]['count'];
- $count = strspn( $text, $text[$i], $i, $maxCount );
+ $i += $count;
+ }
+
+ elseif ( $found == 'close' ) {
+ $piece = $stack[$stackIndex];
+ # lets check if there are enough characters for closing brace
+ $maxCount = $piece['count'];
+ $count = strspn( $text, $curChar, $i, $maxCount );
# check for maximum matching characters (if there are 5 closing
# characters, we will probably need only 3 - depending on the rules)
$matchingCount = 0;
- $matchingCallback = null;
- $cbType = $callbacks[$openingBraceStack[$lastOpeningBrace]['brace']];
- if ( $count > $cbType['max'] ) {
+ $rule = $rules[$piece['open']];
+ if ( $count > $rule['max'] ) {
# The specified maximum exists in the callback array, unless the caller
# has made an error
- $matchingCount = $cbType['max'];
+ $matchingCount = $rule['max'];
} else {
# Count is less than the maximum
# Skip any gaps in the callback array to find the true largest match
# Need to use array_key_exists not isset because the callback can be null
$matchingCount = $count;
- while ( $matchingCount > 0 && !array_key_exists( $matchingCount, $cbType['cb'] ) ) {
+ while ( $matchingCount > 0 && !array_key_exists( $matchingCount, $rule['names'] ) ) {
--$matchingCount;
}
}
if ($matchingCount <= 0) {
+ # No matching element found in callback array
+ # Output a literal closing brace and continue
+ $accum .= htmlspecialchars( str_repeat( $curChar, $count ) );
$i += $count;
continue;
}
- $matchingCallback = $cbType['cb'][$matchingCount];
-
- # let's set a title or last part (if '|' was found)
- if (null === $openingBraceStack[$lastOpeningBrace]['parts']) {
- $openingBraceStack[$lastOpeningBrace]['title'] =
- substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
- $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+ $name = $rule['names'][$matchingCount];
+ if ( $name === null ) {
+ // No element, just literal text
+ $element = str_repeat( $piece['open'], $matchingCount ) .
+ implode( '|', $piece['parts'] ) .
+ str_repeat( $rule['end'], $matchingCount );
} else {
- $openingBraceStack[$lastOpeningBrace]['parts'][] =
- substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
- $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
+ # Create XML element
+ # Note: $parts is already XML, does not need to be encoded further
+ $parts = $piece['parts'];
+ $title = $parts[0];
+ unset( $parts[0] );
+
+ # The invocation is at the start of the line if lineStart is set in
+ # the stack, and all opening brackets are used up.
+ if ( $maxCount == $matchingCount && !empty( $piece['lineStart'] ) ) {
+ $attr = ' lineStart="1"';
+ } else {
+ $attr = '';
+ }
+
+ $element = "<$name$attr>";
+ $element .= "<title>$title</title>";
+ $argIndex = 1;
+ foreach ( $parts as $partIndex => $part ) {
+ if ( isset( $piece['eqpos'][$partIndex] ) ) {
+ $eqpos = $piece['eqpos'][$partIndex];
+ list( $ws1, $argName, $ws2 ) = self::splitWhitespace( substr( $part, 0, $eqpos ) );
+ list( $ws3, $argValue, $ws4 ) = self::splitWhitespace( substr( $part, $eqpos + 1 ) );
+ $element .= "<part>$ws1<name>$argName</name>$ws2=$ws3<value>$argValue</value>$ws4</part>";
+ } else {
+ list( $ws1, $value, $ws2 ) = self::splitWhitespace( $part );
+ $element .= "<part>$ws1<name index=\"$argIndex\" /><value>$value</value>$ws2</part>";
+ $argIndex++;
+ }
+ }
+ $element .= "</$name>";
}
- $pieceStart = $openingBraceStack[$lastOpeningBrace]['startAt'] - $matchingCount;
- $pieceEnd = $i + $matchingCount;
-
- if( is_callable( $matchingCallback ) ) {
- $cbArgs = array (
- 'text' => substr($text, $pieceStart, $pieceEnd - $pieceStart),
- 'title' => trim($openingBraceStack[$lastOpeningBrace]['title']),
- 'parts' => $openingBraceStack[$lastOpeningBrace]['parts'],
- 'lineStart' => (($pieceStart > 0) && ($text[$pieceStart-1] == "\n")),
- );
- # finally we can call a user callback and replace piece of text
- $replaceWith = call_user_func( $matchingCallback, $cbArgs );
- $text = substr($text, 0, $pieceStart) . $replaceWith . substr($text, $pieceEnd);
- $i = $pieceStart + strlen($replaceWith);
+ # Advance input pointer
+ $i += $matchingCount;
+
+ # Unwind the stack
+ unset( $stack[$stackIndex--] );
+ if ( $stackIndex == -1 ) {
+ $accum =& $topAccum;
+ $findEquals = false;
+ $findPipe = false;
} else {
- # null value for callback means that parentheses should be parsed, but not replaced
- $i += $matchingCount;
+ $partCount = count( $stack[$stackIndex]['parts'] );
+ $accum =& $stack[$stackIndex]['parts'][$partCount - 1];
+ $findPipe = $stack[$stackIndex]['open'] != "\n";
+ $findEquals = $findPipe && $partCount > 1
+ && !isset( $stack[$stackIndex]['eqpos'][$partCount - 1] );
}
- # reset last opening parentheses, but keep it in case there are unused characters
- $piece = array('brace' => $openingBraceStack[$lastOpeningBrace]['brace'],
- 'braceEnd' => $openingBraceStack[$lastOpeningBrace]['braceEnd'],
- 'count' => $openingBraceStack[$lastOpeningBrace]['count'],
- 'title' => '',
- 'parts' => null,
- 'startAt' => $openingBraceStack[$lastOpeningBrace]['startAt']);
- $openingBraceStack[$lastOpeningBrace--] = null;
-
+ # Re-add the old stack element if it still has unmatched opening characters remaining
if ($matchingCount < $piece['count']) {
+ $piece['parts'] = array( '' );
$piece['count'] -= $matchingCount;
- $piece['startAt'] -= $matchingCount;
- $piece['partStart'] = $piece['startAt'];
+ $piece['eqpos'] = array();
# do we still qualify for any callback with remaining count?
- $currentCbList = $callbacks[$piece['brace']]['cb'];
+ $names = $rules[$piece['open']]['names'];
+ $skippedBraces = 0;
+ $enclosingAccum =& $accum;
while ( $piece['count'] ) {
- if ( array_key_exists( $piece['count'], $currentCbList ) ) {
- $lastOpeningBrace++;
- $openingBraceStack[$lastOpeningBrace] = $piece;
+ if ( array_key_exists( $piece['count'], $names ) ) {
+ $stackIndex++;
+ $stack[$stackIndex] = $piece;
+ $accum =& $stack[$stackIndex]['parts'][0];
+ $findEquals = true;
+ $findPipe = true;
break;
}
--$piece['count'];
+ $skippedBraces ++;
}
+ $enclosingAccum .= str_repeat( $piece['open'], $skippedBraces );
}
- } elseif ( $found == 'pipe' ) {
- # lets set a title if it is a first separator, or next part otherwise
- if (null === $openingBraceStack[$lastOpeningBrace]['parts']) {
- $openingBraceStack[$lastOpeningBrace]['title'] =
- substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
- $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
- $openingBraceStack[$lastOpeningBrace]['parts'] = array();
- } else {
- $openingBraceStack[$lastOpeningBrace]['parts'][] =
- substr($text, $openingBraceStack[$lastOpeningBrace]['partStart'],
- $i - $openingBraceStack[$lastOpeningBrace]['partStart']);
- }
- $openingBraceStack[$lastOpeningBrace]['partStart'] = ++$i;
+
+ # Add XML element to the enclosing accumulator
+ $accum .= $element;
+ }
+
+ elseif ( $found == 'pipe' ) {
+ $stack[$stackIndex]['parts'][] = '';
+ $partsCount = count( $stack[$stackIndex]['parts'] );
+ $accum =& $stack[$stackIndex]['parts'][$partsCount - 1];
+ $findEquals = true;
+ ++$i;
+ }
+
+ elseif ( $found == 'equals' ) {
+ $findEquals = false;
+ $partsCount = count( $stack[$stackIndex]['parts'] );
+ $stack[$stackIndex]['eqpos'][$partsCount - 1] = strlen( $accum );
+ $accum .= '=';
+ ++$i;
+ }
+ }
+
+ # Output any remaining unclosed brackets
+ foreach ( $stack as $piece ) {
+ if ( $piece['open'] == "\n" ) {
+ $topAccum .= $piece['parts'][0];
+ } else {
+ $topAccum .= str_repeat( $piece['open'], $piece['count'] ) . implode( '|', $piece['parts'] );
}
}
+ $topAccum .= '</root>';
+ wfProfileOut( __METHOD__.'-makexml' );
+ wfProfileIn( __METHOD__.'-loadXML' );
+ $dom = new DOMDocument;
+ wfSuppressWarnings();
+ $result = $dom->loadXML( $topAccum );
+ wfRestoreWarnings();
+ if ( !$result ) {
+ // Try running the XML through UtfNormal to get rid of invalid characters
+ $topAccum = UtfNormal::cleanUp( $topAccum );
+ $result = $dom->loadXML( $topAccum );
+ if ( !$result ) {
+ throw new MWException( __METHOD__.' generated invalid XML' );
+ }
+ }
+ wfProfileOut( __METHOD__.'-loadXML' );
wfProfileOut( __METHOD__ );
- return $text;
+ return $dom;
+ }
+
+ /*
+ * Return a three-element array: leading whitespace, string contents, trailing whitespace
+ */
+ public static function splitWhitespace( $s ) {
+ $ltrimmed = ltrim( $s );
+ $w1 = substr( $s, 0, strlen( $s ) - strlen( $ltrimmed ) );
+ $trimmed = rtrim( $ltrimmed );
+ $diff = strlen( $ltrimmed ) - strlen( $trimmed );
+ if ( $diff > 0 ) {
+ $w2 = substr( $ltrimmed, -$diff );
+ } else {
+ $w2 = '';
+ }
+ return array( $w1, $trimmed, $w2 );
}
/**
* OT_HTML: all templates and magic variables
*
* @param string $tex The text to transform
- * @param array $args Key-value pairs representing template parameters to substitute
+ * @param PPFrame $frame Object describing the arguments passed to the template
* @param bool $argsOnly Only do argument (triple-brace) expansion, not double-brace expansion
* @private
*/
- function replaceVariables( $text, $args = array(), $argsOnly = false ) {
+ function replaceVariables( $text, $frame = false, $argsOnly = false ) {
# Prevent too big inclusions
if( strlen( $text ) > $this->mOptions->getMaxIncludeSize() ) {
return $text;
}
- $fname = __METHOD__ /*. '-L' . count( $this->mArgStack )*/;
+ $fname = __METHOD__;
wfProfileIn( $fname );
- # This function is called recursively. To keep track of arguments we need a stack:
- array_push( $this->mArgStack, $args );
-
- $braceCallbacks = array();
- if ( !$argsOnly ) {
- $braceCallbacks[2] = array( &$this, 'braceSubstitution' );
+ if ( $frame === false ) {
+ $frame = new PPFrame( $this );
+ } elseif ( !( $frame instanceof PPFrame ) ) {
+ throw new MWException( __METHOD__ . ' called using the old argument format' );
}
- if ( $this->mOutputType != OT_MSG ) {
- $braceCallbacks[3] = array( &$this, 'argSubstitution' );
- }
- if ( $braceCallbacks ) {
- $callbacks = array(
- '{' => array(
- 'end' => '}',
- 'cb' => $braceCallbacks,
- 'min' => $argsOnly ? 3 : 2,
- 'max' => isset( $braceCallbacks[3] ) ? 3 : 2,
- ),
- '[' => array(
- 'end' => ']',
- 'cb' => array(2=>null),
- 'min' => 2,
- 'max' => 2,
- )
- );
- $text = $this->replace_callback ($text, $callbacks);
- array_pop( $this->mArgStack );
- }
- wfProfileOut( $fname );
- return $text;
- }
+ $dom = $this->preprocessToDom( $text );
+ $flags = $argsOnly ? PPFrame::NO_TEMPLATES : 0;
+ $text = $frame->expand( $dom, $flags );
- /**
- * Replace magic variables
- * @private
- */
- function variableSubstitution( $matches ) {
- global $wgContLang;
- $fname = 'Parser::variableSubstitution';
- $varname = $wgContLang->lc($matches[1]);
- wfProfileIn( $fname );
- $skip = false;
- if ( $this->mOutputType == OT_WIKI ) {
- # Do only magic variables prefixed by SUBST
- $mwSubst =& MagicWord::get( 'subst' );
- if (!$mwSubst->matchStartAndRemove( $varname ))
- $skip = true;
- # Note that if we don't substitute the variable below,
- # we don't remove the {{subst:}} magic word, in case
- # it is a template rather than a magic variable.
- }
- if ( !$skip && array_key_exists( $varname, $this->mVariables ) ) {
- $id = $this->mVariables[$varname];
- # Now check if we did really match, case sensitive or not
- $mw =& MagicWord::get( $id );
- if ($mw->match($matches[1])) {
- $text = $this->getVariableValue( $id );
- $this->mOutput->mContainsOldMagic = true;
- } else {
- $text = $matches[0];
- }
- } else {
- $text = $matches[0];
- }
wfProfileOut( $fname );
return $text;
}
-
/// Clean up argument array - refactored in 1.9 so parserfunctions can use it, too.
static function createAssocArgs( $args ) {
$assocArgs = array();
* $piece['text']: matched text
* $piece['title']: the title, i.e. the part before the |
* $piece['parts']: the parameter array
+ * @param PPFrame The current frame, contains template arguments
* @return string the text of the template
* @private
*/
- function braceSubstitution( $piece ) {
+ function braceSubstitution( $piece, $frame ) {
global $wgContLang, $wgLang, $wgAllowDisplayTitle, $wgNonincludableNamespaces;
- $fname = __METHOD__ /*. '-L' . count( $this->mArgStack )*/;
+ $fname = __METHOD__;
wfProfileIn( $fname );
wfProfileIn( __METHOD__.'-setup' );
# Flags
$found = false; # $text has been filled
$nowiki = false; # wiki markup in $text should be escaped
- $noparse = false; # Unsafe HTML tags should not be stripped, etc.
- $noargs = false; # Don't replace triple-brace arguments in $text
- $replaceHeadings = false; # Make the edit section links go to the template not the article
- $headingOffset = 0; # Skip headings when number, to account for those that weren't transcluded.
$isHTML = false; # $text is HTML, armour it against wikitext transformation
$forceRawInterwiki = false; # Force interwiki transclusion to be done in raw mode not rendered
+ $isDOM = false; # $text is a DOM node needing expansion
# Title object, where $text came from
$title = NULL;
- $linestart = '';
-
+ # $part1 is the bit before the first |, and must contain only title characters.
+ # Various prefixes will be stripped from it later.
+ $titleWithSpaces = $frame->expand( $piece['title'] );
+ $part1 = trim( $titleWithSpaces );
+ $titleText = false;
- # $part1 is the bit before the first |, and must contain only title characters
- # $args is a list of arguments, starting from index 0, not including $part1
-
- $titleText = $part1 = $piece['title'];
- # If the third subpattern matched anything, it will start with |
-
- if (null == $piece['parts']) {
- $replaceWith = $this->variableSubstitution (array ($piece['text'], $piece['title']));
- if ($replaceWith != $piece['text']) {
- $text = $replaceWith;
- $found = true;
- $noparse = true;
- $noargs = true;
- }
- }
+ # Original title text preserved for various purposes
+ $originalTitle = $part1;
+ # $args is a list of argument nodes, starting from index 0, not including $part1
$args = (null == $piece['parts']) ? array() : $piece['parts'];
wfProfileOut( __METHOD__.'-setup' );
# 1) Found SUBST but not in the PST phase
# 2) Didn't find SUBST and in the PST phase
# In either case, return without further processing
- $text = $piece['text'];
+ $text = '{{' . $frame->implode( '|', $titleWithSpaces, $args ) . '}}';
+ $found = true;
+ }
+ }
+
+ # Variables
+ if ( !$found && $args->length == 0 ) {
+ $id = $this->mVariables->matchStartToEnd( $part1 );
+ if ( $id !== false ) {
+ $text = $this->getVariableValue( $id );
+ $this->mOutput->mContainsOldMagic = true;
$found = true;
- $noparse = true;
- $noargs = true;
}
}
}
wfProfileOut( __METHOD__.'-modifiers' );
- //save path level before recursing into functions & templates.
+ # Save path level before recursing into functions & templates.
$lastPathLevel = $this->mTemplatePath;
# Parser functions
}
}
if ( $function ) {
- $funcArgs = array_map( 'trim', $args );
- $funcArgs = array_merge( array( &$this, trim( substr( $part1, $colonPos + 1 ) ) ), $funcArgs );
- $result = call_user_func_array( $this->mFunctionHooks[$function], $funcArgs );
+ list( $callback, $flags ) = $this->mFunctionHooks[$function];
+ $initialArgs = array( &$this );
+ $funcArgs = array( trim( substr( $part1, $colonPos + 1 ) ) );
+ if ( $flags & SFH_OBJECT_ARGS ) {
+ # Add a frame parameter, and pass the arguments as an array
+ $allArgs = $initialArgs;
+ $allArgs[] = $frame;
+ foreach ( $args as $arg ) {
+ $funcArgs[] = $arg;
+ }
+ $allArgs[] = $funcArgs;
+ } else {
+ # Convert arguments to plain text
+ foreach ( $args as $arg ) {
+ $funcArgs[] = trim( $frame->expand( $arg ) );
+ }
+ $allArgs = array_merge( $initialArgs, $funcArgs );
+ }
+
+ $result = call_user_func_array( $callback, $allArgs );
$found = true;
- // The text is usually already parsed, doesn't need triple-brace tags expanded, etc.
- //$noargs = true;
- //$noparse = true;
-
if ( is_array( $result ) ) {
if ( isset( $result[0] ) ) {
- $text = $linestart . $result[0];
+ $text = $result[0];
unset( $result[0] );
}
// Extract flags into the local scope
- // This allows callers to set flags such as nowiki, noparse, found, etc.
+ // This allows callers to set flags such as nowiki, found, etc.
extract( $result );
} else {
- $text = $linestart . $result;
+ $text = $result;
}
}
}
wfProfileOut( __METHOD__ . '-pfunc' );
}
- # Template table test
-
- # Did we encounter this template already? If yes, it is in the cache
- # and we need to check for loops.
- if ( !$found && isset( $this->mTemplates[$piece['title']] ) ) {
- $found = true;
-
- # Infinite loop test
- if ( isset( $this->mTemplatePath[$part1] ) ) {
- $noparse = true;
- $noargs = true;
- $found = true;
- $text = $linestart .
- "[[$part1]]<!-- WARNING: template loop detected -->";
- wfDebug( __METHOD__.": template loop broken at '$part1'\n" );
- } else {
- # set $text to cached message.
- $text = $linestart . $this->mTemplates[$piece['title']];
- #treat title for cached page the same as others
- $ns = NS_TEMPLATE;
- $subpage = '';
- $part1 = $this->maybeDoSubpageLink( $part1, $subpage );
- if ($subpage !== '') {
- $ns = $this->mTitle->getNamespace();
- }
- $title = Title::newFromText( $part1, $ns );
- //used by include size checking
- $titleText = $title->getPrefixedText();
- //used by edit section links
- $replaceHeadings = true;
-
- }
- }
-
- # Load from database
+ # Finish mangling title and then check for loops.
+ # Set $title to a Title object and $titleText to the PDBK
if ( !$found ) {
- wfProfileIn( __METHOD__ . '-loadtpl' );
$ns = NS_TEMPLATE;
- # declaring $subpage directly in the function call
- # does not work correctly with references and breaks
- # {{/subpage}}-style inclusions
+ # Split the title into page and subpage
$subpage = '';
$part1 = $this->maybeDoSubpageLink( $part1, $subpage );
if ($subpage !== '') {
$ns = $this->mTitle->getNamespace();
}
$title = Title::newFromText( $part1, $ns );
-
-
- if ( !is_null( $title ) ) {
+ if ( $title ) {
$titleText = $title->getPrefixedText();
# Check for language variants if the template is not found
if($wgContLang->hasVariants() && $title->getArticleID() == 0){
$wgContLang->findVariantLink($part1, $title);
}
+ # Do infinite loop check
+ if ( isset( $this->mTemplatePath[$titleText] ) ) {
+ $found = true;
+ $text = "[[$part1]]" . $this->insertStripItem( '<!-- WARNING: template loop detected -->' );
+ wfDebug( __METHOD__.": template loop broken at '$titleText'\n" );
+ }
+ }
+ }
- if ( !$title->isExternal() ) {
- if ( $title->getNamespace() == NS_SPECIAL && $this->mOptions->getAllowSpecialInclusion() && $this->ot['html'] ) {
- $text = SpecialPage::capturePath( $title );
- if ( is_string( $text ) ) {
- $found = true;
- $noparse = true;
- $noargs = true;
- $isHTML = true;
- $this->disableCache();
- }
- } else if ( $wgNonincludableNamespaces && in_array( $title->getNamespace(), $wgNonincludableNamespaces ) ) {
- $found = false; //access denied
- wfDebug( "$fname: template inclusion denied for " . $title->getPrefixedDBkey() );
- } else {
- list($articleContent,$title) = $this->fetchTemplateAndtitle( $title );
- if ( $articleContent !== false ) {
- $found = true;
- $text = $articleContent;
- $replaceHeadings = true;
- }
- }
-
- # If the title is valid but undisplayable, make a link to it
- if ( !$found && ( $this->ot['html'] || $this->ot['pre'] ) ) {
- $text = "[[:$titleText]]";
+ # Load from database
+ if ( !$found && $title ) {
+ wfProfileIn( __METHOD__ . '-loadtpl' );
+ if ( !$title->isExternal() ) {
+ if ( $title->getNamespace() == NS_SPECIAL && $this->mOptions->getAllowSpecialInclusion() && $this->ot['html'] ) {
+ $text = SpecialPage::capturePath( $title );
+ if ( is_string( $text ) ) {
$found = true;
- }
- } elseif ( $title->isTrans() ) {
- // Interwiki transclusion
- if ( $this->ot['html'] && !$forceRawInterwiki ) {
- $text = $this->interwikiTransclude( $title, 'render' );
$isHTML = true;
- $noparse = true;
- } else {
- $text = $this->interwikiTransclude( $title, 'raw' );
- $replaceHeadings = true;
+ $this->disableCache();
+ }
+ } else if ( $wgNonincludableNamespaces && in_array( $title->getNamespace(), $wgNonincludableNamespaces ) ) {
+ $found = false; //access denied
+ wfDebug( "$fname: template inclusion denied for " . $title->getPrefixedDBkey() );
+ } else {
+ list( $text, $title ) = $this->getTemplateDom( $title );
+ if ( $text !== false ) {
+ $found = true;
+ $isDOM = true;
}
- $found = true;
}
- # Template cache array insertion
- # Use the original $piece['title'] not the mangled $part1, so that
- # modifiers such as RAW: produce separate cache entries
- if( $found ) {
- if( $isHTML ) {
- // A special page; don't store it in the template cache.
- } else {
- $this->mTemplates[$piece['title']] = $text;
- }
- $text = $linestart . $text;
+ # If the title is valid but undisplayable, make a link to it
+ if ( !$found && ( $this->ot['html'] || $this->ot['pre'] ) ) {
+ $text = "[[:$titleText]]";
+ $found = true;
+ }
+ } elseif ( $title->isTrans() ) {
+ // Interwiki transclusion
+ if ( $this->ot['html'] && !$forceRawInterwiki ) {
+ $text = $this->interwikiTransclude( $title, 'render' );
+ $isHTML = true;
+ } else {
+ $text = $this->interwikiTransclude( $title, 'raw' );
+ // Preprocess it like a template
+ $text = $this->preprocessToDom( $text, self::PTD_FOR_INCLUSION );
+ $isDOM = true;
}
+ $found = true;
}
wfProfileOut( __METHOD__ . '-loadtpl' );
}
- if ( $found && !$this->incrementIncludeSize( 'pre-expand', strlen( $text ) ) ) {
- # Error, oversize inclusion
- $text = $linestart .
- "[[$titleText]]<!-- WARNING: template omitted, pre-expand include size too large -->";
- $noparse = true;
- $noargs = true;
+ # If we haven't found text to substitute by now, we're done
+ # Recover the source wikitext and return it
+ if ( !$found ) {
+ $text = '{{' . $frame->implode( '|', $titleWithSpaces, $args ) . '}}';
+ # Prune lower levels off the recursion check path
+ $this->mTemplatePath = $lastPathLevel;
+ wfProfileOut( $fname );
+ return $text;
}
- # Recursive parsing, escaping and link table handling
- # Only for HTML output
- if ( $nowiki && $found && ( $this->ot['html'] || $this->ot['pre'] ) ) {
- $text = wfEscapeWikiText( $text );
- } elseif ( !$this->ot['msg'] && $found ) {
- if ( $noargs ) {
- $assocArgs = array();
+ # Expand DOM-style return values in a child frame
+ if ( $isDOM ) {
+ # Clean up argument array
+ $newFrame = $frame->newChild( $args, $title );
+ # Add a new element to the templace recursion path
+ $this->mTemplatePath[$titleText] = 1;
+
+ if ( $titleText !== false && count( $newFrame->args ) == 0 ) {
+ # Expansion is eligible for the empty-frame cache
+ if ( isset( $this->mTplExpandCache[$titleText] ) ) {
+ $text = $this->mTplExpandCache[$titleText];
+ } else {
+ $text = $newFrame->expand( $text );
+ $this->mTplExpandCache[$titleText] = $text;
+ }
} else {
- # Clean up argument array
- $assocArgs = self::createAssocArgs($args);
- # Add a new element to the templace recursion path
- $this->mTemplatePath[$part1] = 1;
+ $text = $newFrame->expand( $text );
}
+ }
- if ( !$noparse ) {
- # If there are any <onlyinclude> tags, only include them
- if ( in_string( '<onlyinclude>', $text ) && in_string( '</onlyinclude>', $text ) ) {
- $replacer = new OnlyIncludeReplacer;
- StringUtils::delimiterReplaceCallback( '<onlyinclude>', '</onlyinclude>',
- array( &$replacer, 'replace' ), $text );
- $text = $replacer->output;
- }
- # Remove <noinclude> sections and <includeonly> tags
- $text = StringUtils::delimiterReplace( '<noinclude>', '</noinclude>', '', $text );
- $text = strtr( $text, array( '<includeonly>' => '' , '</includeonly>' => '' ) );
-
- if( $this->ot['html'] || $this->ot['pre'] ) {
- # Strip <nowiki>, <pre>, etc.
- $text = $this->strip( $text, $this->mStripState );
- if ( $this->ot['html'] ) {
- $text = Sanitizer::removeHTMLtags( $text, array( &$this, 'replaceVariables' ), $assocArgs );
- } elseif ( $this->ot['pre'] && $this->mOptions->getRemoveComments() ) {
- $text = Sanitizer::removeHTMLcomments( $text );
- }
- }
- $text = $this->replaceVariables( $text, $assocArgs );
-
- # If the template begins with a table or block-level
- # element, it should be treated as beginning a new line.
- if (!$piece['lineStart'] && preg_match('/^(?:{\\||:|;|#|\*)/', $text)) /*}*/{
- $text = "\n" . $text;
- }
- } elseif ( !$noargs ) {
- # $noparse and !$noargs
- # Just replace the arguments, not any double-brace items
- # This is used for rendered interwiki transclusion
- $text = $this->replaceVariables( $text, $assocArgs, true );
- }
+ # Replace raw HTML by a placeholder
+ # Add a blank line preceding, to prevent it from mucking up
+ # immediately preceding headings
+ if ( $isHTML ) {
+ $text = "\n\n" . $this->insertStripItem( $text );
+ }
+ # Escape nowiki-style return values
+ elseif ( $nowiki && ( $this->ot['html'] || $this->ot['pre'] ) ) {
+ $text = wfEscapeWikiText( $text );
+ }
+ # Bug 529: if the template begins with a table or block-level
+ # element, it should be treated as beginning a new line.
+ # This behaviour is somewhat controversial.
+ elseif ( !$piece['lineStart'] && preg_match('/^(?:{\\||:|;|#|\*)/', $text)) /*}*/{
+ $text = "\n" . $text;
}
+
# Prune lower levels off the recursion check path
$this->mTemplatePath = $lastPathLevel;
- if ( $found && !$this->incrementIncludeSize( 'post-expand', strlen( $text ) ) ) {
+ if ( !$this->incrementIncludeSize( 'post-expand', strlen( $text ) ) ) {
# Error, oversize inclusion
- $text = $linestart .
- "[[$titleText]]<!-- WARNING: template omitted, post-expand include size too large -->";
- $noparse = true;
- $noargs = true;
+ $text = "[[$originalTitle]]" .
+ $this->insertStripItem( '<!-- WARNING: template omitted, post-expand include size too large -->' );
}
- if ( !$found ) {
- wfProfileOut( $fname );
- return $piece['text'];
- } else {
- wfProfileIn( __METHOD__ . '-placeholders' );
- if ( $isHTML ) {
- # Replace raw HTML by a placeholder
- # Add a blank line preceding, to prevent it from mucking up
- # immediately preceding headings
- $text = "\n\n" . $this->insertStripItem( $text, $this->mStripState );
- } else {
- # replace ==section headers==
- # XXX this needs to go away once we have a better parser.
- if ( !$this->ot['wiki'] && !$this->ot['pre'] && $replaceHeadings ) {
- if( !is_null( $title ) )
- $encodedname = base64_encode($title->getPrefixedDBkey());
- else
- $encodedname = base64_encode("");
- $m = preg_split('/(^={1,6}.*?={1,6}\s*?$)/m', $text, -1,
- PREG_SPLIT_DELIM_CAPTURE);
- $text = '';
- $nsec = $headingOffset;
-
- for( $i = 0; $i < count($m); $i += 2 ) {
- $text .= $m[$i];
- if (!isset($m[$i + 1]) || $m[$i + 1] == "") continue;
- $hl = $m[$i + 1];
- if( strstr($hl, "<!--MWTEMPLATESECTION") ) {
- $text .= $hl;
- continue;
- }
- $m2 = array();
- preg_match('/^(={1,6})(.*?)(={1,6})\s*?$/m', $hl, $m2);
- $text .= $m2[1] . $m2[2] . "<!--MWTEMPLATESECTION="
- . $encodedname . "&" . base64_encode("$nsec") . "-->" . $m2[3];
+ wfProfileOut( $fname );
+ return $text;
+ }
- $nsec++;
- }
- }
- }
- wfProfileOut( __METHOD__ . '-placeholders' );
+ /**
+ * Get the semi-parsed DOM representation of a template with a given title,
+ * and its redirect destination title. Cached.
+ */
+ function getTemplateDom( $title ) {
+ $cacheTitle = $title;
+ $titleText = $title->getPrefixedDBkey();
+
+ if ( isset( $this->mTplRedirCache[$titleText] ) ) {
+ list( $ns, $dbk ) = $this->mTplRedirCache[$titleText];
+ $title = Title::makeTitle( $ns, $dbk );
+ $titleText = $title->getPrefixedDBkey();
+ }
+ if ( isset( $this->mTplDomCache[$titleText] ) ) {
+ return array( $this->mTplDomCache[$titleText], $title );
}
- # Prune lower levels off the recursion check path
- $this->mTemplatePath = $lastPathLevel;
+ // Cache miss, go to the database
+ list( $text, $title ) = $this->fetchTemplateAndTitle( $title );
- if ( !$found ) {
- wfProfileOut( $fname );
- return $piece['text'];
- } else {
- wfProfileOut( $fname );
- return $text;
+ if ( $text === false ) {
+ $this->mTplDomCache[$titleText] = false;
+ return array( false, $title );
}
+
+ $dom = $this->preprocessToDom( $text, self::PTD_FOR_INCLUSION );
+ $this->mTplDomCache[ $titleText ] = $dom;
+
+ if (! $title->equals($cacheTitle)) {
+ $this->mTplRedirCache[$cacheTitle->getPrefixedDBkey()] =
+ array( $title->getNamespace(),$cdb = $title->getDBkey() );
+ }
+
+ return array( $dom, $title );
}
/**
* Fetch the unparsed text of a template and register a reference to it.
*/
- function fetchTemplateAndtitle( $title ) {
+ function fetchTemplateAndTitle( $title ) {
+ $templateCb = $this->mOptions->getTemplateCallback();
+ $stuff = call_user_func( $templateCb, $title );
+ $text = $stuff['text'];
+ $finalTitle = isset( $stuff['finalTitle'] ) ? $stuff['finalTitle'] : $title;
+ if ( isset( $stuff['deps'] ) ) {
+ foreach ( $stuff['deps'] as $dep ) {
+ $this->mOutput->addTemplate( $dep['title'], $dep['page_id'], $dep['rev_id'] );
+ }
+ }
+ return array($text,$finalTitle);
+ }
+
+ function fetchTemplate( $title ) {
+ $rv = $this->fetchTemplateAndTitle($title);
+ return $rv[0];
+ }
+
+ /**
+ * Static function to get a template
+ * Can be overridden via ParserOptions::setTemplateCallback().
+ */
+ static function statelessFetchTemplate( $title ) {
$text = $skip = false;
$finalTitle = $title;
+ $deps = array();
+
// Loop to fetch the article, with up to 1 redirect
for ( $i = 0; $i < 2 && is_object( $title ); $i++ ) {
# Give extensions a chance to select the revision instead
$id = false; // Assume current
- wfRunHooks( 'BeforeParserFetchTemplateAndtitle', array( &$this, &$title, &$skip, &$id ) );
+ wfRunHooks( 'BeforeParserFetchTemplateAndtitle', array( false, &$title, &$skip, &$id ) );
if( $skip ) {
$text = false;
- $this->mOutput->addTemplate( $title, $title->getArticleID(), null );
+ $deps[] = array(
+ 'title' => $title,
+ 'page_id' => $title->getArticleID(),
+ 'rev_id' => null );
break;
}
$rev = $id ? Revision::newFromId( $id ) : Revision::newFromTitle( $title );
$rev_id = $rev ? $rev->getId() : 0;
-
- $this->mOutput->addTemplate( $title, $title->getArticleID(), $rev_id );
-
+
+ $deps[] = array(
+ 'title' => $title,
+ 'page_id' => $title->getArticleID(),
+ 'rev_id' => $rev_id );
+
if( $rev ) {
$text = $rev->getText();
} elseif( $title->getNamespace() == NS_MEDIAWIKI ) {
$finalTitle = $title;
$title = Title::newFromRedirect( $text );
}
- return array($text,$finalTitle);
- }
-
- function fetchTemplate( $title ) {
- $rv = $this->fetchTemplateAndtitle($title);
- return $rv[0];
+ return array(
+ 'text' => $text,
+ 'finalTitle' => $finalTitle,
+ 'deps' => $deps );
}
/**
* Triple brace replacement -- used for template arguments
* @private
*/
- function argSubstitution( $matches ) {
- $arg = trim( $matches['title'] );
- $text = $matches['text'];
- $inputArgs = end( $this->mArgStack );
+ function argSubstitution( $piece, $frame ) {
+ wfProfileIn( __METHOD__ );
- if ( array_key_exists( $arg, $inputArgs ) ) {
- $text = $inputArgs[$arg];
- } else if (($this->mOutputType == OT_HTML || $this->mOutputType == OT_PREPROCESS ) &&
- null != $matches['parts'] && count($matches['parts']) > 0) {
- $text = $matches['parts'][0];
+ $text = false;
+ $error = false;
+ $parts = $piece['parts'];
+ $argWithSpaces = $frame->expand( $piece['title'] );
+ $arg = trim( $argWithSpaces );
+
+ if ( isset( $frame->args[$arg] ) ) {
+ $text = $frame->parent->expand( $frame->args[$arg] );
+ } else if ( ( $this->ot['html'] || $this->ot['pre'] ) && $parts->length > 0 ) {
+ $text = $frame->expand( $parts->item( 0 ) );
}
if ( !$this->incrementIncludeSize( 'arg', strlen( $text ) ) ) {
- $text = $matches['text'] .
- '<!-- WARNING: argument omitted, expansion size too large -->';
+ $error = '<!-- WARNING: argument omitted, expansion size too large -->';
}
+ if ( $text === false ) {
+ $text = '{{{' . $frame->implode( '|', $argWithSpaces, $parts ) . '}}}';
+ }
+ if ( $error !== false ) {
+ $text .= $error;
+ }
+
+ wfProfileOut( __METHOD__ );
return $text;
}
+ /**
+ * Return the text to be used for a given extension tag.
+ * This is the ghost of strip().
+ *
+ * @param array $params Associative array of parameters:
+ * name DOMNode for the tag name
+ * attrText DOMNode for unparsed text where tag attributes are thought to be
+ * inner Contents of extension element
+ * noClose Original text did not have a close tag
+ * @param PPFrame $frame
+ */
+ function extensionSubstitution( $params, $frame ) {
+ global $wgRawHtml, $wgContLang;
+ static $n = 1;
+
+ $name = $frame->expand( $params['name'] );
+ $attrText = is_null( $params['attr'] ) ? null : $frame->expand( $params['attr'] );
+ $content = is_null( $params['inner'] ) ? null : $frame->expand( $params['inner'] );
+
+ $marker = "{$this->mUniqPrefix}-$name-" . sprintf('%08X', $n++) . $this->mMarkerSuffix;
+
+ if ( $this->ot['html'] ) {
+ $name = strtolower( $name );
+
+ $params = Sanitizer::decodeTagAttributes( $attrText );
+ switch ( $name ) {
+ case 'html':
+ if( $wgRawHtml ) {
+ $output = $content;
+ break;
+ } else {
+ throw new MWException( '<html> extension tag encountered unexpectedly' );
+ }
+ case 'nowiki':
+ $output = Xml::escapeTagsOnly( $content );
+ break;
+ case 'math':
+ $output = $wgContLang->armourMath(
+ MathRenderer::renderMath( $content, $params ) );
+ break;
+ case 'gallery':
+ $output = $this->renderImageGallery( $content, $params );
+ break;
+ default:
+ if( isset( $this->mTagHooks[$name] ) ) {
+ $output = call_user_func_array( $this->mTagHooks[$name],
+ array( $content, $params, $this ) );
+ } else {
+ throw new MWException( "Invalid call hook $name" );
+ }
+ }
+ } else {
+ if ( $content === null ) {
+ $output = "<$name$attrText/>";
+ } else {
+ $close = is_null( $params['close'] ) ? '' : $frame->expand( $params['close'] );
+ $output = "<$name$attrText>$content$close";
+ }
+ }
+
+ if ( $name == 'html' || $name == 'nowiki' ) {
+ $this->mStripState->nowiki->setPair( $marker, $output );
+ } else {
+ $this->mStripState->general->setPair( $marker, $output );
+ }
+ return $marker;
+ }
+
/**
* Increment an include size counter
*
* @return boolean False if this inclusion would take it over the maximum, true otherwise
*/
function incrementIncludeSize( $type, $size ) {
- if ( $this->mIncludeSizes[$type] + $size > $this->mOptions->getMaxIncludeSize() ) {
+ if ( $this->mIncludeSizes[$type] + $size > $this->mOptions->getMaxIncludeSize( $type ) ) {
return false;
} else {
$this->mIncludeSizes[$type] += $size;
# headline counter
$headlineCount = 0;
- $sectionCount = 0; # headlineCount excluding template sections
$numVisible = 0;
# Ugh .. the TOC should have neat indentation levels which can be
$prevlevel = 0;
$toclevel = 0;
$prevtoclevel = 0;
+ $markerRegex = "{$this->mUniqPrefix}-h-(\d+)-{$this->mMarkerSuffix}";
+ $baseTitleText = $this->mTitle->getPrefixedDBkey();
+ $tocraw = array();
foreach( $matches[3] as $headline ) {
- $istemplate = 0;
- $templatetitle = '';
- $templatesection = 0;
+ $isTemplate = false;
+ $titleText = false;
+ $sectionIndex = false;
$numbering = '';
- $mat = array();
- if (preg_match("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", $headline, $mat)) {
- $istemplate = 1;
- $templatetitle = base64_decode($mat[1]);
- $templatesection = 1 + (int)base64_decode($mat[2]);
- $headline = preg_replace("/<!--MWTEMPLATESECTION=([^&]+)&([^_]+)-->/", "", $headline);
+ $markerMatches = array();
+ if (preg_match("/^$markerRegex/", $headline, $markerMatches)) {
+ $serial = $markerMatches[1];
+ list( $titleText, $sectionIndex ) = $this->mHeadings[$serial];
+ $isTemplate = ($titleText != $baseTitleText);
+ $headline = preg_replace("/^$markerRegex/", "", $headline);
}
if( $toclevel ) {
}
}
- # The canonized header is a version of the header text safe to use for links
+ # The safe header is a version of the header text safe to use for links
# Avoid insertion of weird stuff like <math> by expanding the relevant sections
- $canonized_headline = $this->mStripState->unstripBoth( $headline );
+ $safeHeadline = $this->mStripState->unstripBoth( $headline );
# Remove link placeholders by the link text.
# <!--LINK number-->
# turns into
# link text with suffix
- $canonized_headline = preg_replace( '/<!--LINK ([0-9]*)-->/e',
+ $safeHeadline = preg_replace( '/<!--LINK ([0-9]*)-->/e',
"\$this->mLinkHolders['texts'][\$1]",
- $canonized_headline );
- $canonized_headline = preg_replace( '/<!--IWLINK ([0-9]*)-->/e',
+ $safeHeadline );
+ $safeHeadline = preg_replace( '/<!--IWLINK ([0-9]*)-->/e',
"\$this->mInterwikiLinkHolders['texts'][\$1]",
- $canonized_headline );
+ $safeHeadline );
# Strip out HTML (other than plain <sup> and <sub>: bug 8393)
$tocline = preg_replace(
array( '#<(?!/?(sup|sub)).*?'.'>#', '#<(/?(sup|sub)).*?'.'>#' ),
array( '', '<$1>'),
- $canonized_headline
+ $safeHeadline
);
$tocline = trim( $tocline );
# For the anchor, strip out HTML-y stuff period
- $canonized_headline = preg_replace( '/<.*?'.'>/', '', $canonized_headline );
- $canonized_headline = trim( $canonized_headline );
+ $safeHeadline = preg_replace( '/<.*?'.'>/', '', $safeHeadline );
+ $safeHeadline = trim( $safeHeadline );
# Save headline for section edit hint before it's escaped
- $headline_hint = $canonized_headline;
- $canonized_headline = Sanitizer::escapeId( $canonized_headline );
- $refers[$headlineCount] = $canonized_headline;
+ $headlineHint = $safeHeadline;
+ $safeHeadline = Sanitizer::escapeId( $safeHeadline );
+ $refers[$headlineCount] = $safeHeadline;
# count how many in assoc. array so we can track dupes in anchors
- isset( $refers[$canonized_headline] ) ? $refers[$canonized_headline]++ : $refers[$canonized_headline] = 1;
- $refcount[$headlineCount]=$refers[$canonized_headline];
+ isset( $refers[$safeHeadline] ) ? $refers[$safeHeadline]++ : $refers[$safeHeadline] = 1;
+ $refcount[$headlineCount] = $refers[$safeHeadline];
# Don't number the heading if it is the only one (looks silly)
if( $doNumberHeadings && count( $matches[3] ) > 1) {
}
# Create the anchor for linking from the TOC to the section
- $anchor = $canonized_headline;
+ $anchor = $safeHeadline;
if($refcount[$headlineCount] > 1 ) {
$anchor .= '_' . $refcount[$headlineCount];
}
if( $enoughToc && ( !isset($wgMaxTocLevel) || $toclevel<$wgMaxTocLevel ) ) {
$toc .= $sk->tocLine($anchor, $tocline, $numbering, $toclevel);
+ $tocraw[] = array( 'toclevel' => $toclevel, 'level' => $level, 'line' => $tocline, 'number' => $numbering );
}
# give headline the correct <h#> tag
- if( $showEditLink && ( !$istemplate || $templatetitle !== "" ) ) {
- if( $istemplate )
- $editlink = $sk->editSectionLinkForOther($templatetitle, $templatesection);
- else
- $editlink = $sk->editSectionLink($this->mTitle, $sectionCount+1, $headline_hint);
+ if( $showEditLink && $sectionIndex !== false ) {
+ if( $isTemplate ) {
+ # Put a T flag in the section identifier, to indicate to extractSections()
+ # that sections inside <includeonly> should be counted.
+ $editlink = $sk->editSectionLinkForOther($titleText, "T-$sectionIndex");
+ } else {
+ $editlink = $sk->editSectionLink($this->mTitle, $sectionIndex, $headlineHint);
+ }
} else {
$editlink = '';
}
$head[$headlineCount] = $sk->makeHeadline( $level, $matches['attrib'][$headlineCount], $anchor, $headline, $editlink );
$headlineCount++;
- if( !$istemplate )
- $sectionCount++;
}
+ $this->mOutput->setSections( $tocraw );
+
# Never ever show TOC if no headers
if( $numVisible < 1 ) {
$enoughToc = false;
$this->clearState();
}
- $stripState = new StripState;
$pairs = array(
"\r\n" => "\n",
);
$text = str_replace( array_keys( $pairs ), array_values( $pairs ), $text );
- $text = $this->strip( $text, $stripState, true, array( 'gallery' ) );
- $text = $this->pstPass2( $text, $stripState, $user );
- $text = $stripState->unstripBoth( $text );
+ $text = $this->pstPass2( $text, $user );
+ $text = $this->mStripState->unstripBoth( $text );
return $text;
}
* Pre-save transform helper function
* @private
*/
- function pstPass2( $text, &$stripState, $user ) {
+ function pstPass2( $text, $user ) {
global $wgContLang, $wgLocaltimezone;
/* Note: This is the timestamp saved as hardcoded wikitext to
$text = $this->replaceVariables( $text );
# Strip out <nowiki> etc. added via replaceVariables
- $text = $this->strip( $text, $stripState, false, array( 'gallery' ) );
+ #$text = $this->strip( $text, $this->mStripState, false, array( 'gallery' ) );
# Signatures
$sigText = $this->getUserSig( $user );
$nickname = $this->cleanSigInSig( $nickname );
# If we're still here, make it a link to the user page
- $userpage = $user->getUserPage();
- return( '[[' . $userpage->getPrefixedText() . '|' . wfEscapeWikiText( $nickname ) . ']]' );
+ $userText = wfEscapeWikiText( $username );
+ $nickText = wfEscapeWikiText( $nickname );
+ if ( $user->isAnon() ) {
+ return wfMsgExt( 'signature-anon', array( 'content', 'parsemag' ), $userText, $nickText );
+ } else {
+ return wfMsgExt( 'signature', array( 'content', 'parsemag' ), $userText, $nickText );
+ }
}
/**
* @return string Signature text
*/
function cleanSig( $text, $parsing = false ) {
- global $wgTitle;
- $this->startExternalParse( $wgTitle, new ParserOptions(), $parsing ? OT_WIKI : OT_MSG );
+ if ( !$parsing ) {
+ global $wgTitle;
+ $this->startExternalParse( $wgTitle, new ParserOptions(), OT_MSG );
+ }
+ # FIXME: regex doesn't respect extension tags or nowiki
+ # => Move this logic to braceSubstitution()
$substWord = MagicWord::get( 'subst' );
$substRegex = '/\{\{(?!(?:' . $substWord->getBaseRegex() . '))/x' . $substWord->getRegexCase();
$substText = '{{' . $substWord->getSynonym( 0 );
$text = preg_replace( $substRegex, $substText, $text );
$text = $this->cleanSigInSig( $text );
- $text = $this->replaceVariables( $text );
+ $dom = $this->preprocessToDom( $text );
+ $frame = new PPFrame( $this );
+ $text = $frame->expand( $dom->documentElement );
+
+ if ( !$parsing ) {
+ $text = $this->mStripState->unstripBoth( $text );
+ }
- $this->clearState();
return $text;
}
/**
* Transform a MediaWiki message by replacing magic variables.
*
+ * For some unknown reason, it also expands templates, but only to the
+ * first recursion level. This is wrong and broken, probably introduced
+ * accidentally during refactoring, but probably relied upon by thousands
+ * of users.
+ *
* @param string $text the text to transform
* @param ParserOptions $options options
* @return string the text with variables substituted
$this->setOutputType( OT_MSG );
$this->clearState();
$text = $this->replaceVariables( $text );
+ $text = $this->mStripState->unstripBoth( $text );
$executing = false;
wfProfileOut($fname);
$tag = strtolower( $tag );
$oldVal = isset( $this->mTagHooks[$tag] ) ? $this->mTagHooks[$tag] : null;
$this->mTagHooks[$tag] = $callback;
+ $this->mStripList[] = $tag;
return $oldVal;
}
* @return The old callback function for this name, if any
*/
function setFunctionHook( $id, $callback, $flags = 0 ) {
- $oldVal = isset( $this->mFunctionHooks[$id] ) ? $this->mFunctionHooks[$id] : null;
- $this->mFunctionHooks[$id] = $callback;
+ $oldVal = isset( $this->mFunctionHooks[$id] ) ? $this->mFunctionHooks[$id][0] : null;
+ $this->mFunctionHooks[$id] = array( $callback, $flags );
# Add to function cache
$mw = MagicWord::get( $id );
/**
* Replace <!--LINK--> link placeholders with actual links, in the buffer
* Placeholders created in Skin::makeLinkObj()
- * Returns an array of links found, indexed by PDBK:
- * 0 - broken
- * 1 - normal link
- * 2 - stub
+ * Returns an array of link CSS classes, indexed by PDBK.
* $options is a bit field, RLH_FOR_UPDATE to select for update
*/
function replaceLinkHolders( &$text, $options = 0 ) {
$pdbks = array();
$colours = array();
+ $linkcolour_ids = array();
$sk = $this->mOptions->getSkin();
$linkCache =& LinkCache::singleton();
# Check if it's a static known link, e.g. interwiki
if ( $title->isAlwaysKnown() ) {
- $colours[$pdbk] = 1;
+ $colours[$pdbk] = '';
} elseif ( ( $id = $linkCache->getGoodLinkID( $pdbk ) ) != 0 ) {
- $colours[$pdbk] = 1;
+ $colours[$pdbk] = '';
$this->mOutput->addLink( $title, $id );
} elseif ( $linkCache->isBadLink( $pdbk ) ) {
- $colours[$pdbk] = 0;
+ $colours[$pdbk] = 'new';
} elseif ( $title->getNamespace() == NS_SPECIAL && !SpecialPage::exists( $pdbk ) ) {
- $colours[$pdbk] = 0;
+ $colours[$pdbk] = 'new';
} else {
# Not in the link cache, add it to the query
if ( !isset( $current ) ) {
# Fetch data and form into an associative array
# non-existent = broken
- # 1 = known
- # 2 = stub
while ( $s = $dbr->fetchObject($res) ) {
$title = Title::makeTitle( $s->page_namespace, $s->page_title );
$pdbk = $title->getPrefixedDBkey();
$linkCache->addGoodLinkObj( $s->page_id, $title );
$this->mOutput->addLink( $title, $s->page_id );
-
- $colours[$pdbk] = ( $threshold == 0 || (
- $s->page_len >= $threshold || # always true if $threshold <= 0
- $s->page_is_redirect ||
- !Namespace::isContent( $s->page_namespace ) )
- ? 1 : 2 );
+ $colours[$pdbk] = $sk->getLinkColour( $s, $threshold );
+ //add id to the extension todolist
+ $linkcolour_ids[$s->page_id] = $pdbk;
}
+ //pass an array of page_ids to an extension
+ wfRunHooks( 'GetLinkColours', array( $linkcolour_ids, &$colours ) );
}
wfProfileOut( $fname.'-check' );
// set pdbk and colour
$pdbks[$key] = $varPdbk;
- if ( $threshold > 0 ) {
- $size = $s->page_len;
- if ( $s->page_is_redirect || $s->page_namespace != 0 || $size >= $threshold ) {
- $colours[$varPdbk] = 1;
- } else {
- $colours[$varPdbk] = 2;
- }
- }
- else {
- $colours[$varPdbk] = 1;
- }
+ $colours[$varPdbk] = $sk->getLinkColour( $s, $threshold );
+ $linkcolour_ids[$s->page_id] = $pdbk;
}
+ wfRunHooks( 'GetLinkColours', array( $linkcolour_ids, &$colours ) );
}
// check if the object is a variant of a category
$pdbk = $pdbks[$key];
$searchkey = "<!--LINK $key-->";
$title = $this->mLinkHolders['titles'][$key];
- if ( empty( $colours[$pdbk] ) ) {
+ if ( !isset( $colours[$pdbk] ) || $colours[$pdbk] == 'new' ) {
$linkCache->addBadLinkObj( $title );
- $colours[$pdbk] = 0;
+ $colours[$pdbk] = 'new';
$this->mOutput->addLink( $title, 0 );
$replacePairs[$searchkey] = $sk->makeBrokenLinkObj( $title,
$this->mLinkHolders['texts'][$key],
$this->mLinkHolders['queries'][$key] );
- } elseif ( $colours[$pdbk] == 1 ) {
- $replacePairs[$searchkey] = $sk->makeKnownLinkObj( $title,
- $this->mLinkHolders['texts'][$key],
- $this->mLinkHolders['queries'][$key] );
- } elseif ( $colours[$pdbk] == 2 ) {
- $replacePairs[$searchkey] = $sk->makeStubLinkObj( $title,
+ } else {
+ $replacePairs[$searchkey] = $sk->makeColouredLinkObj( $title, $colours[$pdbk],
$this->mLinkHolders['texts'][$key],
$this->mLinkHolders['queries'][$key] );
}
* Callback from the Sanitizer for expanding items found in HTML attribute
* values, so they can be safely tested and escaped.
* @param string $text
- * @param array $args
+ * @param PPFrame $frame
* @return string
* @private
*/
- function attributeStripCallback( &$text, $args ) {
- $text = $this->replaceVariables( $text, $args );
+ function attributeStripCallback( &$text, $frame = false ) {
+ $text = $this->replaceVariables( $text, $frame );
$text = $this->mStripState->unstripBoth( $text );
return $text;
}
*
* External callers should use the getSection and replaceSection methods.
*
- * @param $text Page wikitext
- * @param $section Numbered section. 0 pulls the text before the first
- * heading; other numbers will pull the given section
- * along with its lower-level subsections.
- * @param $mode One of "get" or "replace"
- * @param $newtext Replacement text for section data.
+ * @param string $text Page wikitext
+ * @param string $section A section identifier string of the form:
+ * <flag1> - <flag2> - ... - <section number>
+ *
+ * Currently the only recognised flag is "T", which means the target section number
+ * was derived during a template inclusion parse, in other words this is a template
+ * section edit link. If no flags are given, it was an ordinary section edit link.
+ * This flag is required to avoid a section numbering mismatch when a section is
+ * enclosed by <includeonly> (bug 6563).
+ *
+ * The section number 0 pulls the text before the first heading; other numbers will
+ * pull the given section along with its lower-level subsections. If the section is
+ * not found, $mode=get will return $newtext, and $mode=replace will return $text.
+ *
+ * @param string $mode One of "get" or "replace"
+ * @param string $newText Replacement text for section data.
* @return string for "get", the extracted section text.
* for "replace", the whole page with the section replaced.
*/
- private function extractSections( $text, $section, $mode, $newtext='' ) {
- # I.... _hope_ this is right.
- # Otherwise, sometimes we don't have things initialized properly.
+ private function extractSections( $text, $section, $mode, $newText='' ) {
+ global $wgTitle;
$this->clearState();
-
- # strip NOWIKI etc. to avoid confusion (true-parameter causes HTML
- # comments to be stripped as well)
- $stripState = new StripState;
-
- $oldOutputType = $this->mOutputType;
- $oldOptions = $this->mOptions;
- $this->mOptions = new ParserOptions();
+ $this->mTitle = $wgTitle; // not generally used but removes an ugly failure mode
+ $this->mOptions = new ParserOptions;
$this->setOutputType( OT_WIKI );
-
- $striptext = $this->strip( $text, $stripState, true );
-
- $this->setOutputType( $oldOutputType );
- $this->mOptions = $oldOptions;
-
- # now that we can be sure that no pseudo-sections are in the source,
- # split it up by section
- $uniq = preg_quote( $this->uniqPrefix(), '/' );
- $comment = "(?:$uniq-!--.*?QINU\x07)";
- $secs = preg_split(
- "/
- (
- ^
- (?:$comment|<\/?noinclude>)* # Initial comments will be stripped
- (=+) # Should this be limited to 6?
- .+? # Section title...
- \\2 # Ending = count must match start
- (?:$comment|<\/?noinclude>|[ \\t]+)* # Trailing whitespace ok
- $
- |
- <h([1-6])\b.*?>
- .*?
- <\/h\\3\s*>
- )
- /mix",
- $striptext, -1,
- PREG_SPLIT_DELIM_CAPTURE);
-
- if( $mode == "get" ) {
- if( $section == 0 ) {
- // "Section 0" returns the content before any other section.
- $rv = $secs[0];
- } else {
- //track missing section, will replace if found.
- $rv = $newtext;
- }
- } elseif( $mode == "replace" ) {
- if( $section == 0 ) {
- $rv = $newtext . "\n\n";
- $remainder = true;
- } else {
- $rv = $secs[0];
- $remainder = false;
+ $curIndex = 0;
+ $outText = '';
+ $frame = new PPFrame( $this );
+
+ // Process section extraction flags
+ $flags = 0;
+ $sectionParts = explode( '-', $section );
+ $sectionIndex = array_pop( $sectionParts );
+ foreach ( $sectionParts as $part ) {
+ if ( $part == 'T' ) {
+ $flags |= self::PTD_FOR_INCLUSION;
}
}
- $count = 0;
- $sectionLevel = 0;
- for( $index = 1; $index < count( $secs ); ) {
- $headerLine = $secs[$index++];
- if( $secs[$index] ) {
- // A wiki header
- $headerLevel = strlen( $secs[$index++] );
- } else {
- // An HTML header
- $index++;
- $headerLevel = intval( $secs[$index++] );
- }
- $content = $secs[$index++];
-
- $count++;
- if( $mode == "get" ) {
- if( $count == $section ) {
- $rv = $headerLine . $content;
- $sectionLevel = $headerLevel;
- } elseif( $count > $section ) {
- if( $sectionLevel && $headerLevel > $sectionLevel ) {
- $rv .= $headerLine . $content;
- } else {
- // Broke out to a higher-level section
+ // Preprocess the text
+ $dom = $this->preprocessToDom( $text, $flags );
+ $root = $dom->documentElement;
+
+ // <h> nodes indicate section breaks
+ // They can only occur at the top level, so we can find them by iterating the root's children
+ $node = $root->firstChild;
+
+ // Find the target section
+ if ( $sectionIndex == 0 ) {
+ // Section zero doesn't nest, level=big
+ $targetLevel = 1000;
+ } else {
+ while ( $node ) {
+ if ( $node->nodeName == 'h' ) {
+ if ( $curIndex + 1 == $sectionIndex ) {
break;
}
+ $curIndex++;
}
- } elseif( $mode == "replace" ) {
- if( $count < $section ) {
- $rv .= $headerLine . $content;
- } elseif( $count == $section ) {
- $rv .= $newtext . "\n\n";
- $sectionLevel = $headerLevel;
- } elseif( $count > $section ) {
- if( $headerLevel <= $sectionLevel ) {
- // Passed the section's sub-parts.
- $remainder = true;
- }
- if( $remainder ) {
- $rv .= $headerLine . $content;
- }
+ if ( $mode == 'replace' ) {
+ $outText .= $frame->expand( $node, PPFrame::RECOVER_ORIG );
+ }
+ $node = $node->nextSibling;
+ }
+ if ( $node ) {
+ $targetLevel = $node->getAttribute( 'level' );
+ }
+ }
+
+ if ( !$node ) {
+ // Not found
+ if ( $mode == 'get' ) {
+ return $newText;
+ } else {
+ return $text;
+ }
+ }
+
+ // Find the end of the section, including nested sections
+ do {
+ if ( $node->nodeName == 'h' ) {
+ $curIndex++;
+ $curLevel = $node->getAttribute( 'level' );
+ if ( $curIndex != $sectionIndex && $curLevel <= $targetLevel ) {
+ break;
}
}
+ if ( $mode == 'get' ) {
+ $outText .= $frame->expand( $node, PPFrame::RECOVER_ORIG );
+ }
+ $node = $node->nextSibling;
+ } while ( $node );
+
+ // Write out the remainder (in replace mode only)
+ if ( $mode == 'replace' ) {
+ // Output the replacement text
+ // Add two newlines on -- trailing whitespace in $newText is conventionally
+ // stripped by the editor, so we need both newlines to restore the paragraph gap
+ $outText .= $newText . "\n\n";
+ while ( $node ) {
+ $outText .= $frame->expand( $node, PPFrame::RECOVER_ORIG );
+ $node = $node->nextSibling;
+ }
+ }
+
+ if ( is_string( $outText ) ) {
+ // Re-insert stripped tags
+ $outText = trim( $this->mStripState->unstripBoth( $outText ) );
}
- if (is_string($rv))
- # reinsert stripped tags
- $rv = trim( $stripState->unstripBoth( $rv ) );
- return $rv;
+ return $outText;
}
/**
*
* If a section contains subsections, these are also returned.
*
- * @param $text String: text to look in
- * @param $section Integer: section number
- * @param $deftext: default to return if section is not found
+ * @param string $text text to look in
+ * @param string $section section identifier
+ * @param string $deftext default to return if section is not found
* @return string text of the requested section
*/
public function getSection( $text, $section, $deftext='' ) {
$text = StringUtils::delimiterReplace( '<', '>', '', $text );
return $text;
}
+
+ /**
+ * strip/replaceVariables/unstrip for preprocessor regression testing
+ */
+ function srvus( $text ) {
+ $text = $this->replaceVariables( $text );
+ $text = $this->mStripState->unstripBoth( $text );
+ $text = Sanitizer::removeHTMLtags( $text );
+ return $text;
+ }
}
/**
function unstripGeneral( $text ) {
wfProfileIn( __METHOD__ );
- $text = $this->general->replace( $text );
+ do {
+ $oldText = $text;
+ $text = $this->general->replace( $text );
+ } while ( $text != $oldText );
wfProfileOut( __METHOD__ );
return $text;
}
function unstripNoWiki( $text ) {
wfProfileIn( __METHOD__ );
- $text = $this->nowiki->replace( $text );
+ do {
+ $oldText = $text;
+ $text = $this->nowiki->replace( $text );
+ } while ( $text != $oldText );
wfProfileOut( __METHOD__ );
return $text;
}
function unstripBoth( $text ) {
wfProfileIn( __METHOD__ );
- $text = $this->general->replace( $text );
- $text = $this->nowiki->replace( $text );
+ do {
+ $oldText = $text;
+ $text = $this->general->replace( $text );
+ $text = $this->nowiki->replace( $text );
+ } while ( $text != $oldText );
wfProfileOut( __METHOD__ );
return $text;
}
}
+
+/**
+ * An expansion frame, used as a context to expand the result of preprocessToDom()
+ */
+class PPFrame {
+ var $parser, $title;
+ var $titleCache;
+
+ const NO_ARGS = 1;
+ const NO_TEMPLATES = 2;
+ const STRIP_COMMENTS = 4;
+ const NO_IGNORE = 8;
+
+ const RECOVER_ORIG = 11;
+
+ /**
+ * Construct a new preprocessor frame.
+ * @param Parser $parser The parent parser
+ * @param Title $title The context title, or false if there isn't one
+ */
+ function __construct( $parser ) {
+ $this->parser = $parser;
+ $this->title = $parser->mTitle;
+ $this->titleCache = array( $this->title ? $this->title->getPrefixedDBkey() : false );
+ }
+
+ /**
+ * Create a new child frame
+ * $args is optionally a DOMNodeList containing the template arguments
+ */
+ function newChild( $args = false, $title = false ) {
+ $assocArgs = array();
+ if ( $title === false ) {
+ $title = $this->title;
+ }
+ if ( $args !== false ) {
+ $xpath = false;
+ foreach ( $args as $arg ) {
+ if ( !$xpath ) {
+ $xpath = new DOMXPath( $arg->ownerDocument );
+ }
+
+ $nameNodes = $xpath->query( 'name', $arg );
+ if ( $nameNodes->item( 0 )->hasAttributes() ) {
+ // Numbered parameter
+ $name = $nameNodes->item( 0 )->attributes->getNamedItem( 'index' )->textContent;
+ } else {
+ // Named parameter
+ $name = $this->expand( $nameNodes->item( 0 ), PPFrame::STRIP_COMMENTS );
+ }
+
+ $value = $xpath->query( 'value', $arg );
+ $assocArgs[$name] = $value->item( 0 );
+ }
+ }
+ return new PPTemplateFrame( $this->parser, $this, $assocArgs, $title );
+ }
+
+ /**
+ * Expand a DOMNode describing a preprocessed document into plain wikitext,
+ * using the current context
+ * @param $root the node
+ */
+ function expand( $root, $flags = 0 ) {
+ if ( is_string( $root ) ) {
+ return $root;
+ }
+
+ if ( $this->parser->ot['html']
+ && ++$this->parser->mPPNodeCount > $this->parser->mOptions->mMaxPPNodeCount )
+ {
+ return $this->parser->insertStripItem( '<!-- node-count limit exceeded -->' );
+ }
+
+ if ( is_array( $root ) ) {
+ $s = '';
+ foreach ( $root as $node ) {
+ $s .= $this->expand( $node, $flags );
+ }
+ } elseif ( $root instanceof DOMNodeList ) {
+ $s = '';
+ foreach ( $root as $node ) {
+ $s .= $this->expand( $node, $flags );
+ }
+ } elseif ( $root instanceof DOMNode ) {
+ if ( $root->nodeType == XML_TEXT_NODE ) {
+ $s = $root->nodeValue;
+ } elseif ( $root->nodeName == 'template' ) {
+ # Double-brace expansion
+ $xpath = new DOMXPath( $root->ownerDocument );
+ $titles = $xpath->query( 'title', $root );
+ $title = $titles->item( 0 );
+ $parts = $xpath->query( 'part', $root );
+ if ( $flags & self::NO_TEMPLATES ) {
+ $s = '{{' . $this->implodeWithFlags( '|', $flags, $title, $parts ) . '}}';
+ } else {
+ $lineStart = $root->getAttribute( 'lineStart' );
+ $params = array(
+ 'title' => $title,
+ 'parts' => $parts,
+ 'lineStart' => $lineStart,
+ 'text' => 'FIXME' );
+ $s = $this->parser->braceSubstitution( $params, $this );
+ }
+ } elseif ( $root->nodeName == 'tplarg' ) {
+ # Triple-brace expansion
+ $xpath = new DOMXPath( $root->ownerDocument );
+ $titles = $xpath->query( 'title', $root );
+ $title = $titles->item( 0 );
+ $parts = $xpath->query( 'part', $root );
+ if ( $flags & self::NO_ARGS || $this->parser->ot['msg'] ) {
+ $s = '{{{' . $this->implodeWithFlags( '|', $flags, $title, $parts ) . '}}}';
+ } else {
+ $params = array( 'title' => $title, 'parts' => $parts, 'text' => 'FIXME' );
+ $s = $this->parser->argSubstitution( $params, $this );
+ }
+ } elseif ( $root->nodeName == 'comment' ) {
+ # HTML-style comment
+ if ( $this->parser->ot['html']
+ || ( $this->parser->ot['pre'] && $this->parser->mOptions->getRemoveComments() )
+ || ( $flags & self::STRIP_COMMENTS ) )
+ {
+ $s = '';
+ } else {
+ $s = $root->textContent;
+ }
+ } elseif ( $root->nodeName == 'ignore' ) {
+ # Output suppression used by <includeonly> etc.
+ # OT_WIKI will only respect <ignore> in substed templates.
+ # The other output types respect it unless NO_IGNORE is set.
+ # extractSections() sets NO_IGNORE and so never respects it.
+ if ( ( !isset( $this->parent ) && $this->parser->ot['wiki'] ) || ( $flags & self::NO_IGNORE ) ) {
+ $s = $root->textContent;
+ } else {
+ $s = '';
+ }
+ } elseif ( $root->nodeName == 'ext' ) {
+ # Extension tag
+ $xpath = new DOMXPath( $root->ownerDocument );
+ $names = $xpath->query( 'name', $root );
+ $attrs = $xpath->query( 'attr', $root );
+ $inners = $xpath->query( 'inner', $root );
+ $closes = $xpath->query( 'close', $root );
+ $params = array(
+ 'name' => $names->item( 0 ),
+ 'attr' => $attrs->length > 0 ? $attrs->item( 0 ) : null,
+ 'inner' => $inners->length > 0 ? $inners->item( 0 ) : null,
+ 'close' => $closes->length > 0 ? $closes->item( 0 ) : null,
+ );
+ $s = $this->parser->extensionSubstitution( $params, $this );
+ } elseif ( $root->nodeName == 'h' ) {
+ # Heading
+ $s = $this->expand( $root->childNodes, $flags );
+
+ if ( $this->parser->ot['html'] ) {
+ # Insert heading index marker
+ $headingIndex = $root->getAttribute( 'i' );
+ $titleText = $this->title->getPrefixedDBkey();
+ $this->parser->mHeadings[] = array( $titleText, $headingIndex );
+ $serial = count( $this->parser->mHeadings ) - 1;
+ $marker = "{$this->parser->mUniqPrefix}-h-$serial-{$this->parser->mMarkerSuffix}";
+ $count = $root->getAttribute( 'level' );
+ $s = substr( $s, 0, $count ) . $marker . substr( $s, $count );
+ $this->parser->mStripState->general->setPair( $marker, '' );
+ }
+ } else {
+ # Generic recursive expansion
+ $s = '';
+ for ( $node = $root->firstChild; $node; $node = $node->nextSibling ) {
+ if ( $node->nodeType == XML_TEXT_NODE ) {
+ $s .= $node->nodeValue;
+ } elseif ( $node->nodeType == XML_ELEMENT_NODE ) {
+ $s .= $this->expand( $node, $flags );
+ }
+ }
+ }
+ } else {
+ throw new MWException( __METHOD__.': Invalid parameter type' );
+ }
+ return $s;
+ }
+
+ function implodeWithFlags( $sep, $flags /*, ... */ ) {
+ $args = array_slice( func_get_args(), 2 );
+
+ $first = true;
+ $s = '';
+ foreach ( $args as $root ) {
+ if ( !is_array( $root ) && !( $root instanceof DOMNodeList ) ) {
+ $root = array( $root );
+ }
+ foreach ( $root as $node ) {
+ if ( $first ) {
+ $first = false;
+ } else {
+ $s .= $sep;
+ }
+ $s .= $this->expand( $node, $flags );
+ }
+ }
+ return $s;
+ }
+
+ function implode( $sep /*, ... */ ) {
+ $args = func_get_args();
+ $args = array_merge( array_slice( $args, 0, 1 ), array( 0 ), array_slice( $args, 1 ) );
+ return call_user_func_array( array( $this, 'implodeWithFlags' ), $args );
+ }
+
+ /**
+ * Split an <arg> or <template> node into a three-element array:
+ * DOMNode name, string index and DOMNode value
+ */
+ function splitBraceNode( $node ) {
+ $xpath = new DOMXPath( $node->ownerDocument );
+ $names = $xpath->query( 'name', $node );
+ $values = $xpath->query( 'value', $node );
+ if ( !$names->length || !$values->length ) {
+ throw new MWException( 'Invalid brace node passed to ' . __METHOD__ );
+ }
+ $name = $names->item( 0 );
+ $index = $name->getAttribute( 'index' );
+ return array( $name, $index, $values->item( 0 ) );
+ }
+
+ /**
+ * Split an <ext> node into an associative array containing name, attr, inner and close
+ * All values in the resulting array are DOMNodes. Inner and close are optional.
+ */
+ function splitExtNode( $node ) {
+ $xpath = new DOMXPath( $node->ownerDocument );
+ $names = $xpath->query( 'name', $node );
+ $attrs = $xpath->query( 'attr', $node );
+ $inners = $xpath->query( 'inner', $node );
+ $closes = $xpath->query( 'close', $node );
+ if ( !$names->length || !$attrs->length ) {
+ throw new MWException( 'Invalid ext node passed to ' . __METHOD__ );
+ }
+ $parts = array(
+ 'name' => $names->item( 0 ),
+ 'attr' => $attrs->item( 0 ) );
+ if ( $inners->length ) {
+ $parts['inner'] = $inners->item( 0 );
+ }
+ if ( $closes->length ) {
+ $parts['close'] = $closes->item( 0 );
+ }
+ return $parts;
+ }
+
+ function __toString() {
+ return 'frame{}';
+ }
+
+ function getPDBK( $level = false ) {
+ if ( $level === false ) {
+ return $this->title->getPrefixedDBkey();
+ } else {
+ return isset( $this->titleCache[$level] ) ? $this->titleCache[$level] : false;
+ }
+ }
+}
+
+/**
+ * Expansion frame with template arguments
+ */
+class PPTemplateFrame extends PPFrame {
+ var $parser, $args, $parent;
+ var $titleCache;
+
+ function __construct( $parser, $parent = false, $args = array(), $title = false ) {
+ $this->parser = $parser;
+ $this->parent = $parent;
+ $this->args = $args;
+ $this->title = $title;
+ $this->titleCache = $parent->titleCache;
+ $this->titleCache[] = $title ? $title->getPrefixedDBkey() : false;
+ }
+
+ function __toString() {
+ $s = 'tplframe{';
+ $first = true;
+ foreach ( $this->args as $name => $value ) {
+ if ( $first ) {
+ $first = false;
+ } else {
+ $s .= ', ';
+ }
+ $s .= "\"$name\":\"" .
+ str_replace( '"', '\\"', $value->ownerDocument->saveXML( $value ) ) . '"';
+ }
+ $s .= '}';
+ return $s;
+ }
+}
+