<?php
+/**
+ * Preprocessor using PHP's dom extension
+ *
+ * @file
+ * @ingroup Parser
+ */
/**
* @ingroup Parser
*/
class Preprocessor_DOM implements Preprocessor {
- var $parser, $memoryLimit;
+
+ /**
+ * @var Parser
+ */
+ var $parser;
+
+ var $memoryLimit;
+
+ const CACHE_VERSION = 1;
function __construct( $parser ) {
$this->parser = $parser;
}
}
+ /**
+ * @return PPFrame_DOM
+ */
function newFrame() {
return new PPFrame_DOM( $this );
}
+ /**
+ * @param $args
+ * @return PPCustomFrame_DOM
+ */
function newCustomFrame( $args ) {
return new PPCustomFrame_DOM( $this, $args );
}
+ /**
+ * @param $values
+ * @return PPNode_DOM
+ */
+ function newPartNodeArray( $values ) {
+ //NOTE: DOM manipulation is slower than building & parsing XML! (or so Tim sais)
+ $xml = "<list>";
+
+ foreach ( $values as $k => $val ) {
+
+ if ( is_int( $k ) ) {
+ $xml .= "<part><name index=\"$k\"/><value>" . htmlspecialchars( $val ) ."</value></part>";
+ } else {
+ $xml .= "<part><name>" . htmlspecialchars( $k ) . "</name>=<value>" . htmlspecialchars( $val ) . "</value></part>";
+ }
+ }
+
+ $xml .= "</list>";
+
+ $dom = new DOMDocument();
+ $dom->loadXML( $xml );
+ $root = $dom->documentElement;
+
+ $node = new PPNode_DOM( $root->childNodes );
+ return $node;
+ }
+
+ /**
+ * @throws MWException
+ * @return bool
+ */
function memCheck() {
if ( $this->memoryLimit === false ) {
return;
* Preprocess some wikitext and return the document tree.
* This is the ghost of Parser::replace_variables().
*
- * @param string $text The text to parse
- * @param integer flags Bitwise combination of:
+ * @param $text String: the text to parse
+ * @param $flags Integer: bitwise combination of:
* Parser::PTD_FOR_INCLUSION Handle <noinclude>/<includeonly> as if the text is being
* included. Default is to assume a direct page view.
*
* cache may be implemented at a later date which takes further advantage of these strict
* dependency requirements.
*
- * @private
+ * @return PPNode_DOM
*/
function preprocessToObj( $text, $flags = 0 ) {
wfProfileIn( __METHOD__ );
- wfProfileIn( __METHOD__.'-makexml' );
+ global $wgMemc, $wgPreprocessorCacheThreshold;
+
+ $xml = false;
+ $cacheable = ( $wgPreprocessorCacheThreshold !== false
+ && strlen( $text ) > $wgPreprocessorCacheThreshold );
+ if ( $cacheable ) {
+ wfProfileIn( __METHOD__.'-cacheable' );
+
+ $cacheKey = wfMemcKey( 'preprocess-xml', md5($text), $flags );
+ $cacheValue = $wgMemc->get( $cacheKey );
+ if ( $cacheValue ) {
+ $version = substr( $cacheValue, 0, 8 );
+ if ( intval( $version ) == self::CACHE_VERSION ) {
+ $xml = substr( $cacheValue, 8 );
+ // From the cache
+ wfDebugLog( "Preprocessor", "Loaded preprocessor XML from memcached (key $cacheKey)" );
+ }
+ }
+ }
+ if ( $xml === false ) {
+ if ( $cacheable ) {
+ wfProfileIn( __METHOD__.'-cache-miss' );
+ $xml = $this->preprocessToXml( $text, $flags );
+ $cacheValue = sprintf( "%08d", self::CACHE_VERSION ) . $xml;
+ $wgMemc->set( $cacheKey, $cacheValue, 86400 );
+ wfProfileOut( __METHOD__.'-cache-miss' );
+ wfDebugLog( "Preprocessor", "Saved preprocessor XML to memcached (key $cacheKey)" );
+ } else {
+ $xml = $this->preprocessToXml( $text, $flags );
+ }
+
+ }
+ wfProfileIn( __METHOD__.'-loadXML' );
+ $dom = new DOMDocument;
+ wfSuppressWarnings();
+ $result = $dom->loadXML( $xml );
+ wfRestoreWarnings();
+ if ( !$result ) {
+ // Try running the XML through UtfNormal to get rid of invalid characters
+ $xml = UtfNormal::cleanUp( $xml );
+ $result = $dom->loadXML( $xml );
+ if ( !$result ) {
+ throw new MWException( __METHOD__.' generated invalid XML' );
+ }
+ }
+ $obj = new PPNode_DOM( $dom->documentElement );
+ wfProfileOut( __METHOD__.'-loadXML' );
+ if ( $cacheable ) {
+ wfProfileOut( __METHOD__.'-cacheable' );
+ }
+ wfProfileOut( __METHOD__ );
+ return $obj;
+ }
+ /**
+ * @param $text string
+ * @param $flags int
+ * @return string
+ */
+ function preprocessToXml( $text, $flags = 0 ) {
+ wfProfileIn( __METHOD__ );
$rules = array(
'{' => array(
'end' => '}',
// 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 will be the position of the last space (or the '>' if there's none)
$wsEnd = $endPos + 2 + strspn( $text, ' ', $endPos + 3 );
// Eat the line if possible
// TODO: This could theoretically be done if $wsStart == 0, i.e. for comments at
if ( $stack->top ) {
$part = $stack->top->getCurrentPart();
- if ( isset( $part->commentEnd ) && $part->commentEnd == $wsStart - 1 ) {
- // Comments abutting, no change in visual end
- $part->commentEnd = $wsEnd;
- } else {
+ if ( ! (isset( $part->commentEnd ) && $part->commentEnd == $wsStart - 1 )) {
$part->visualEnd = $wsStart;
- $part->commentEnd = $endPos;
}
+ // Else comments abutting, no change in visual end
+ $part->commentEnd = $endPos;
}
$i = $endPos + 1;
$inner = substr( $text, $startPos, $endPos - $startPos + 1 );
} else {
$attrEnd = $tagEndPos;
// Find closing tag
- if ( preg_match( "/<\/$name\s*>/i", $text, $matches, PREG_OFFSET_CAPTURE, $tagEndPos + 1 ) ) {
+ if ( preg_match( "/<\/" . preg_quote( $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>';
$accum .= '<inner>' . htmlspecialchars( $inner ) . '</inner>';
}
$accum .= $close . '</ext>';
- }
-
- elseif ( $found == 'line-start' ) {
+ } elseif ( $found == 'line-start' ) {
// Is this the start of a heading?
// Line break belongs before the heading element in any case
if ( $fakeLineStart ) {
'count' => $count );
$stack->push( $piece );
$accum =& $stack->getAccum();
- extract( $stack->getFlags() );
+ $flags = $stack->getFlags();
+ extract( $flags );
$i += $count;
}
- }
-
- elseif ( $found == 'line-end' ) {
+ } elseif ( $found == 'line-end' ) {
$piece = $stack->top;
// A heading must be open, otherwise \n wouldn't have been in the search list
assert( $piece->open == "\n" );
$count = $piece->count;
$equalsLength = strspn( $revText, '=', strlen( $text ) - $searchStart );
if ( $equalsLength > 0 ) {
- if ( $i - $equalsLength == $piece->startPos ) {
+ if ( $searchStart - $equalsLength == $piece->startPos ) {
// This is just a single string of equals signs on its own line
// Replicate the doHeadings behaviour /={count}(.+)={count}/
// First find out how many equals signs there really are (don't stop at 6)
// Unwind the stack
$stack->pop();
$accum =& $stack->getAccum();
- extract( $stack->getFlags() );
+ $flags = $stack->getFlags();
+ extract( $flags );
// Append the result to the enclosing accumulator
$accum .= $element;
// 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' ) {
+ } elseif ( $found == 'open' ) {
# count opening brace characters
$count = strspn( $text, $curChar, $i );
'open' => $curChar,
'close' => $rule['end'],
'count' => $count,
- 'lineStart' => ($i > 0 && $text[$i-1] == "\n"),
+ 'lineStart' => ($i == 0 || $text[$i-1] == "\n"),
);
$stack->push( $piece );
$accum =& $stack->getAccum();
- extract( $stack->getFlags() );
+ $flags = $stack->getFlags();
+ extract( $flags );
} else {
# Add literal brace(s)
$accum .= htmlspecialchars( str_repeat( $curChar, $count ) );
}
$i += $count;
- }
-
- elseif ( $found == 'close' ) {
+ } elseif ( $found == 'close' ) {
$piece = $stack->top;
# lets check if there are enough characters for closing brace
$maxCount = $piece->count;
# check for maximum matching characters (if there are 5 closing
# characters, we will probably need only 3 - depending on the rules)
- $matchingCount = 0;
$rule = $rules[$piece->open];
if ( $count > $rule['max'] ) {
# The specified maximum exists in the callback array, unless the caller
}
}
- if ($matchingCount <= 0) {
+ if ( $matchingCount <= 0 ) {
# No matching element found in callback array
# Output a literal closing brace and continue
$accum .= htmlspecialchars( str_repeat( $curChar, $count ) );
$element = "<$name$attr>";
$element .= "<title>$title</title>";
$argIndex = 1;
- foreach ( $parts as $partIndex => $part ) {
+ foreach ( $parts as $part ) {
if ( isset( $part->eqpos ) ) {
$argName = substr( $part->out, 0, $part->eqpos );
$argValue = substr( $part->out, $part->eqpos + 1 );
$accum =& $stack->getAccum();
# Re-add the old stack element if it still has unmatched opening characters remaining
- if ($matchingCount < $piece->count) {
+ if ( $matchingCount < $piece->count ) {
$piece->parts = array( new PPDPart );
$piece->count -= $matchingCount;
# do we still qualify for any callback with remaining count?
}
$enclosingAccum .= str_repeat( $piece->open, $skippedBraces );
}
-
- extract( $stack->getFlags() );
+ $flags = $stack->getFlags();
+ extract( $flags );
# Add XML element to the enclosing accumulator
$accum .= $element;
- }
-
- elseif ( $found == 'pipe' ) {
+ } elseif ( $found == 'pipe' ) {
$findEquals = true; // shortcut for getFlags()
$stack->addPart();
$accum =& $stack->getAccum();
++$i;
- }
-
- elseif ( $found == 'equals' ) {
+ } elseif ( $found == 'equals' ) {
$findEquals = false; // shortcut for getFlags()
$stack->getCurrentPart()->eqpos = strlen( $accum );
$accum .= '=';
$stack->rootAccum .= '</root>';
$xml = $stack->rootAccum;
- wfProfileOut( __METHOD__.'-makexml' );
- wfProfileIn( __METHOD__.'-loadXML' );
- $dom = new DOMDocument;
- wfSuppressWarnings();
- $result = $dom->loadXML( $xml );
- wfRestoreWarnings();
- if ( !$result ) {
- // Try running the XML through UtfNormal to get rid of invalid characters
- $xml = UtfNormal::cleanUp( $xml );
- $result = $dom->loadXML( $xml );
- if ( !$result ) {
- throw new MWException( __METHOD__.' generated invalid XML' );
- }
- }
- $obj = new PPNode_DOM( $dom->documentElement );
- wfProfileOut( __METHOD__.'-loadXML' );
wfProfileOut( __METHOD__ );
- return $obj;
+
+ return $xml;
}
}
* @ingroup Parser
*/
class PPDStack {
- var $stack, $rootAccum, $top;
+ var $stack, $rootAccum;
+
+ /**
+ * @var PPDStack
+ */
+ var $top;
var $out;
var $elementClass = 'PPDStackElement';
$this->accum =& $this->rootAccum;
}
+ /**
+ * @return int
+ */
function count() {
return count( $this->stack );
}
$this->accum =& $this->top->getAccum();
}
+ /**
+ * @return array
+ */
function getFlags() {
if ( !count( $this->stack ) ) {
return array(
return $this->parts[count($this->parts) - 1];
}
+ /**
+ * @return array
+ */
function getFlags() {
$partCount = count( $this->parts );
$findPipe = $this->open != "\n" && $this->open != '[';
/**
* Get the output string that would result if the close is not found.
+ *
+ * @return string
*/
function breakSyntax( $openingCount = false ) {
if ( $this->open == "\n" ) {
* @ingroup Parser
*/
class PPFrame_DOM implements PPFrame {
- var $preprocessor, $parser, $title;
+
+ /**
+ * @var Preprocessor
+ */
+ var $preprocessor;
+
+ /**
+ * @var Parser
+ */
+ var $parser;
+
+ /**
+ * @var Title
+ */
+ var $title;
var $titleCache;
/**
/**
* Recursion depth of this frame, top = 0
+ * Note that this is NOT the same as expansion depth in expand()
*/
var $depth;
/**
* Construct a new preprocessor frame.
- * @param Preprocessor $preprocessor The parent preprocessor
+ * @param $preprocessor Preprocessor The parent preprocessor
*/
function __construct( $preprocessor ) {
$this->preprocessor = $preprocessor;
/**
* Create a new child frame
* $args is optionally a multi-root PPNode or array containing the template arguments
+ *
+ * @return PPTemplateFrame_DOM
*/
function newChild( $args = false, $title = false ) {
$namedArgs = array();
return new PPTemplateFrame_DOM( $this->preprocessor, $this, $numberedArgs, $namedArgs, $title );
}
+ /**
+ * @throws MWException
+ * @param $root
+ * @param $flags int
+ * @return string
+ */
function expand( $root, $flags = 0 ) {
- static $depth = 0;
+ static $expansionDepth = 0;
if ( is_string( $root ) ) {
return $root;
}
- if ( ++$this->parser->mPPNodeCount > $this->parser->mOptions->mMaxPPNodeCount )
+ if ( ++$this->parser->mPPNodeCount > $this->parser->mOptions->getMaxPPNodeCount() )
{
return '<span class="error">Node-count limit exceeded</span>';
}
- if ( $depth > $this->parser->mOptions->mMaxPPExpandDepth ) {
+ if ( $expansionDepth > $this->parser->mOptions->getMaxPPExpandDepth() ) {
return '<span class="error">Expansion depth limit exceeded</span>';
}
- ++$depth;
+ wfProfileIn( __METHOD__ );
+ ++$expansionDepth;
if ( $root instanceof PPNode_DOM ) {
$root = $root->node;
$iteratorStack[$level] = false;
}
- if ( $contextNode instanceof PPNode_DOM ) $contextNode = $contextNode->node;
+ if ( $contextNode instanceof PPNode_DOM ) {
+ $contextNode = $contextNode->node;
+ }
$newIterator = false;
$titles = $xpath->query( 'title', $contextNode );
$title = $titles->item( 0 );
$parts = $xpath->query( 'part', $contextNode );
- if ( $flags & self::NO_TEMPLATES ) {
+ if ( $flags & PPFrame::NO_TEMPLATES ) {
$newIterator = $this->virtualBracketedImplode( '{{', '|', '}}', $title, $parts );
} else {
$lineStart = $contextNode->getAttribute( 'lineStart' );
$titles = $xpath->query( 'title', $contextNode );
$title = $titles->item( 0 );
$parts = $xpath->query( 'part', $contextNode );
- if ( $flags & self::NO_ARGS ) {
+ if ( $flags & PPFrame::NO_ARGS ) {
$newIterator = $this->virtualBracketedImplode( '{{{', '|', '}}}', $title, $parts );
} else {
$params = array(
# Remove it in HTML, pre+remove and STRIP_COMMENTS modes
if ( $this->parser->ot['html']
|| ( $this->parser->ot['pre'] && $this->parser->mOptions->getRemoveComments() )
- || ( $flags & self::STRIP_COMMENTS ) )
+ || ( $flags & PPFrame::STRIP_COMMENTS ) )
{
$out .= '';
}
# Add a strip marker in PST mode so that pstPass2() can run some old-fashioned regexes on the result
# Not in RECOVER_COMMENTS mode (extractSections) though
- elseif ( $this->parser->ot['wiki'] && ! ( $flags & self::RECOVER_COMMENTS ) ) {
+ elseif ( $this->parser->ot['wiki'] && ! ( $flags & PPFrame::RECOVER_COMMENTS ) ) {
$out .= $this->parser->insertStripItem( $contextNode->textContent );
}
# Recover the literal comment in RECOVER_COMMENTS and pre+no-remove
# 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 ) ) {
+ if ( ( !isset( $this->parent ) && $this->parser->ot['wiki'] ) || ( $flags & PPFrame::NO_IGNORE ) ) {
$out .= $contextNode->textContent;
} else {
$out .= '';
# Heading
$s = $this->expand( $contextNode->childNodes, $flags );
- # Insert a heading marker only for <h> children of <root>
- # This is to stop extractSections from going over multiple tree levels
- if ( $contextNode->parentNode->nodeName == 'root'
- && $this->parser->ot['html'] )
- {
+ # Insert a heading marker only for <h> children of <root>
+ # This is to stop extractSections from going over multiple tree levels
+ if ( $contextNode->parentNode->nodeName == 'root'
+ && $this->parser->ot['html'] )
+ {
# Insert heading index marker
$headingIndex = $contextNode->getAttribute( 'i' );
$titleText = $this->title->getPrefixedDBkey();
$marker = "{$this->parser->mUniqPrefix}-h-$serial-" . Parser::MARKER_SUFFIX;
$count = $contextNode->getAttribute( 'level' );
$s = substr( $s, 0, $count ) . $marker . substr( $s, $count );
- $this->parser->mStripState->general->setPair( $marker, '' );
+ $this->parser->mStripState->addGeneral( $marker, '' );
}
$out .= $s;
} else {
$newIterator = $contextNode->childNodes;
}
} else {
+ wfProfileOut( __METHOD__ );
throw new MWException( __METHOD__.': Invalid parameter type' );
}
}
}
}
- --$depth;
+ --$expansionDepth;
+ wfProfileOut( __METHOD__ );
return $outStack[0];
}
+ /**
+ * @param $sep
+ * @param $flags
+ * @return string
+ */
function implodeWithFlags( $sep, $flags /*, ... */ ) {
$args = array_slice( func_get_args(), 2 );
/**
* Implode with no flags specified
* This previously called implodeWithFlags but has now been inlined to reduce stack depth
+ *
+ * @return string
*/
function implode( $sep /*, ... */ ) {
$args = array_slice( func_get_args(), 1 );
$first = true;
$s = '';
foreach ( $args as $root ) {
- if ( $root instanceof PPNode_DOM ) $root = $root->node;
+ if ( $root instanceof PPNode_DOM ) {
+ $root = $root->node;
+ }
if ( !is_array( $root ) && !( $root instanceof DOMNodeList ) ) {
$root = array( $root );
}
/**
* Makes an object that, when expand()ed, will be the same as one obtained
* with implode()
+ *
+ * @return array
*/
function virtualImplode( $sep /*, ... */ ) {
$args = array_slice( func_get_args(), 1 );
$out = array();
$first = true;
- if ( $root instanceof PPNode_DOM ) $root = $root->node;
foreach ( $args as $root ) {
+ if ( $root instanceof PPNode_DOM ) {
+ $root = $root->node;
+ }
if ( !is_array( $root ) && !( $root instanceof DOMNodeList ) ) {
$root = array( $root );
}
$first = true;
foreach ( $args as $root ) {
- if ( $root instanceof PPNode_DOM ) $root = $root->node;
+ if ( $root instanceof PPNode_DOM ) {
+ $root = $root->node;
+ }
if ( !is_array( $root ) && !( $root instanceof DOMNodeList ) ) {
$root = array( $root );
}
}
}
+ /**
+ * @return array
+ */
+ function getArguments() {
+ return array();
+ }
+
+ /**
+ * @return array
+ */
+ function getNumberedArguments() {
+ return array();
+ }
+
+ /**
+ * @return array
+ */
+ function getNamedArguments() {
+ return array();
+ }
+
/**
* Returns true if there are no arguments in this frame
+ *
+ * @return bool
*/
function isEmpty() {
return true;
/**
* Returns true if the infinite loop check is OK, false if a loop is detected
+ *
+ * @return bool
*/
function loopCheck( $title ) {
return !isset( $this->loopCheckHash[$title->getPrefixedDBkey()] );
/**
* Return true if the frame is a template frame
+ *
+ * @return bool
*/
function isTemplate() {
return false;
* @ingroup Parser
*/
class PPTemplateFrame_DOM extends PPFrame_DOM {
- var $numberedArgs, $namedArgs, $parent;
+ var $numberedArgs, $namedArgs;
+
+ /**
+ * @var PPFrame_DOM
+ */
+ var $parent;
var $numberedExpansionCache, $namedExpansionCache;
+ /**
+ * @param $preprocessor
+ * @param $parent PPFrame_DOM
+ * @param $numberedArgs array
+ * @param $namedArgs array
+ * @param $title Title
+ */
function __construct( $preprocessor, $parent = false, $numberedArgs = array(), $namedArgs = array(), $title = false ) {
- $this->preprocessor = $preprocessor;
- $this->parser = $preprocessor->parser;
+ parent::__construct( $preprocessor );
+
$this->parent = $parent;
$this->numberedArgs = $numberedArgs;
$this->namedArgs = $namedArgs;
$s .= '}';
return $s;
}
+
/**
* Returns true if there are no arguments in this frame
+ *
+ * @return bool
*/
function isEmpty() {
return !count( $this->numberedArgs ) && !count( $this->namedArgs );
}
+ function getArguments() {
+ $arguments = array();
+ foreach ( array_merge(
+ array_keys($this->numberedArgs),
+ array_keys($this->namedArgs)) as $key ) {
+ $arguments[$key] = $this->getArgument($key);
+ }
+ return $arguments;
+ }
+
+ function getNumberedArguments() {
+ $arguments = array();
+ foreach ( array_keys($this->numberedArgs) as $key ) {
+ $arguments[$key] = $this->getArgument($key);
+ }
+ return $arguments;
+ }
+
+ function getNamedArguments() {
+ $arguments = array();
+ foreach ( array_keys($this->namedArgs) as $key ) {
+ $arguments[$key] = $this->getArgument($key);
+ }
+ return $arguments;
+ }
+
function getNumberedArgument( $index ) {
if ( !isset( $this->numberedArgs[$index] ) ) {
return false;
}
if ( !isset( $this->numberedExpansionCache[$index] ) ) {
# No trimming for unnamed arguments
- $this->numberedExpansionCache[$index] = $this->parent->expand( $this->numberedArgs[$index], self::STRIP_COMMENTS );
+ $this->numberedExpansionCache[$index] = $this->parent->expand( $this->numberedArgs[$index], PPFrame::STRIP_COMMENTS );
}
return $this->numberedExpansionCache[$index];
}
if ( !isset( $this->namedExpansionCache[$name] ) ) {
# Trim named arguments post-expand, for backwards compatibility
$this->namedExpansionCache[$name] = trim(
- $this->parent->expand( $this->namedArgs[$name], self::STRIP_COMMENTS ) );
+ $this->parent->expand( $this->namedArgs[$name], PPFrame::STRIP_COMMENTS ) );
}
return $this->namedExpansionCache[$name];
}
/**
* Return true if the frame is a template frame
+ *
+ * @return bool
*/
function isTemplate() {
return true;
var $args;
function __construct( $preprocessor, $args ) {
- $this->preprocessor = $preprocessor;
- $this->parser = $preprocessor->parser;
+ parent::__construct( $preprocessor );
$this->args = $args;
}
return $s;
}
+ /**
+ * @return bool
+ */
function isEmpty() {
return !count( $this->args );
}
function getArgument( $index ) {
+ if ( !isset( $this->args[$index] ) ) {
+ return false;
+ }
return $this->args[$index];
}
}
* @ingroup Parser
*/
class PPNode_DOM implements PPNode {
+
+ /**
+ * @var DOMElement
+ */
var $node;
+ var $xpath;
function __construct( $node, $xpath = false ) {
$this->node = $node;
}
- function __get( $name ) {
- if ( $name == 'xpath' ) {
+ /**
+ * @return DOMXPath
+ */
+ function getXPath() {
+ if ( $this->xpath === null ) {
$this->xpath = new DOMXPath( $this->node->ownerDocument );
}
return $this->xpath;
return $s;
}
+ /**
+ * @return bool|PPNode_DOM
+ */
function getChildren() {
return $this->node->childNodes ? new self( $this->node->childNodes ) : false;
}
+ /**
+ * @return bool|PPNode_DOM
+ */
function getFirstChild() {
return $this->node->firstChild ? new self( $this->node->firstChild ) : false;
}
+ /**
+ * @return bool|PPNode_DOM
+ */
function getNextSibling() {
return $this->node->nextSibling ? new self( $this->node->nextSibling ) : false;
}
+ /**
+ * @param $type
+ *
+ * @return bool|PPNode_DOM
+ */
function getChildrenOfType( $type ) {
- return new self( $this->xpath->query( $type, $this->node ) );
+ return new self( $this->getXPath()->query( $type, $this->node ) );
}
+ /**
+ * @return int
+ */
function getLength() {
if ( $this->node instanceof DOMNodeList ) {
return $this->node->length;
}
}
+ /**
+ * @param $i
+ * @return bool|PPNode_DOM
+ */
function item( $i ) {
$item = $this->node->item( $i );
return $item ? new self( $item ) : false;
}
+ /**
+ * @return string
+ */
function getName() {
if ( $this->node instanceof DOMNodeList ) {
return '#nodelist';
* name PPNode name
* index String index
* value PPNode value
+ *
+ * @return array
*/
function splitArg() {
- $names = $this->xpath->query( 'name', $this->node );
- $values = $this->xpath->query( 'value', $this->node );
+ $xpath = $this->getXPath();
+ $names = $xpath->query( 'name', $this->node );
+ $values = $xpath->query( 'value', $this->node );
if ( !$names->length || !$values->length ) {
throw new MWException( 'Invalid brace node passed to ' . __METHOD__ );
}
/**
* Split an <ext> node into an associative array containing name, attr, inner and close
* All values in the resulting array are PPNodes. Inner and close are optional.
+ *
+ * @return array
*/
function splitExt() {
- $names = $this->xpath->query( 'name', $this->node );
- $attrs = $this->xpath->query( 'attr', $this->node );
- $inners = $this->xpath->query( 'inner', $this->node );
- $closes = $this->xpath->query( 'close', $this->node );
+ $xpath = $this->getXPath();
+ $names = $xpath->query( 'name', $this->node );
+ $attrs = $xpath->query( 'attr', $this->node );
+ $inners = $xpath->query( 'inner', $this->node );
+ $closes = $xpath->query( 'close', $this->node );
if ( !$names->length || !$attrs->length ) {
throw new MWException( 'Invalid ext node passed to ' . __METHOD__ );
}
* Split a <h> node
*/
function splitHeading() {
- if ( !$this->nodeName == 'h' ) {
+ if ( $this->getName() !== 'h' ) {
throw new MWException( 'Invalid h node passed to ' . __METHOD__ );
}
return array(