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InHead.php
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InHead.php
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<?php
namespace Wikimedia\RemexHtml\TreeBuilder;
use LogicException;
use Wikimedia\RemexHtml\Tokenizer\Attributes;
use Wikimedia\RemexHtml\Tokenizer\Tokenizer;
/**
* The "in head" insertion mode
*/
class InHead extends InsertionMode {
public function characters( $text, $start, $length, $sourceStart, $sourceLength ) {
// Split and insert whitespace
[ $part1, $part2 ] = $this->splitInitialMatch(
true, "\t\n\f\r ", $text, $start, $length, $sourceStart, $sourceLength );
[ $start, $length, $sourceStart, $sourceLength ] = $part1;
if ( $length ) {
$this->builder->insertCharacters( $text, $start, $length, $sourceStart,
$sourceLength );
}
// Handle non-whitespace specially
[ $start, $length, $sourceStart, $sourceLength ] = $part2;
if ( !$length ) {
return;
}
$elt = $this->builder->pop( $sourceStart, 0 );
if ( $elt->htmlName !== 'head' ) {
throw new LogicException( 'In head mode but current element is not <head>' );
}
$this->dispatcher->switchMode( Dispatcher::AFTER_HEAD )
->characters( $text, $start, $length, $sourceStart, $sourceLength );
}
public function startTag( $name, Attributes $attrs, $selfClose, $sourceStart, $sourceLength ) {
$void = false;
$tokenizerState = null;
$textMode = null;
$mode = null;
$dispatcher = $this->dispatcher;
switch ( $name ) {
case 'html':
$this->dispatcher->inBody->startTag( $name, $attrs, $selfClose,
$sourceStart, $sourceLength );
return;
case 'base':
case 'basefont':
case 'bgsound':
case 'link':
$void = true;
$dispatcher->ack = true;
break;
case 'meta':
$void = true;
$dispatcher->ack = true;
// charset handling omitted
break;
case 'title':
$tokenizerState = Tokenizer::STATE_RCDATA;
$textMode = Dispatcher::TEXT;
break;
case 'noscript':
if ( !$this->builder->scriptingFlag ) {
$mode = Dispatcher::IN_HEAD_NOSCRIPT;
break;
}
/*. missing_break; .*/
case 'noframes':
case 'style':
$tokenizerState = Tokenizer::STATE_RAWTEXT;
$textMode = Dispatcher::TEXT;
break;
case 'script':
$tokenizerState = Tokenizer::STATE_SCRIPT_DATA;
$textMode = Dispatcher::TEXT;
break;
case 'template':
$this->builder->afe->insertMarker();
$this->builder->framesetOK = false;
$mode = Dispatcher::IN_TEMPLATE;
$this->dispatcher->templateModeStack->push( Dispatcher::IN_TEMPLATE );
break;
case 'head':
$this->builder->error( 'unexpected head tag in head, ignoring', $sourceStart );
return;
default:
$elt = $this->builder->pop( $sourceStart, 0 );
if ( $elt->htmlName !== 'head' ) {
throw new LogicException( "In head mode but current element is not <head>" );
}
$this->dispatcher->switchMode( Dispatcher::AFTER_HEAD )
->startTag( $name, $attrs, $selfClose, $sourceStart, $sourceLength );
return;
}
// Generic element insertion, for all cases that didn't return above
$this->builder->insertElement( $name, $attrs, $void,
$sourceStart, $sourceLength );
if ( $tokenizerState !== null ) {
$this->builder->tokenizer->switchState( $tokenizerState, $name );
}
if ( $textMode !== null ) {
$this->dispatcher->switchAndSave( $textMode );
} elseif ( $mode !== null ) {
$this->dispatcher->switchMode( $mode );
}
}
public function endTag( $name, $sourceStart, $sourceLength ) {
$builder = $this->builder;
$stack = $builder->stack;
switch ( $name ) {
case 'head':
$builder->pop( $sourceStart, $sourceLength );
$this->dispatcher->switchMode( Dispatcher::AFTER_HEAD );
break;
case 'body':
case 'html':
case 'br':
$builder->pop( $sourceStart, 0 );
$this->dispatcher->switchMode( Dispatcher::AFTER_HEAD )
->endTag( $name, $sourceStart, $sourceLength );
break;
case 'template':
if ( !$stack->hasTemplate() ) {
$builder->error( 'found </template> but there is no open template, ignoring',
$sourceStart );
return;
}
$builder->generateImpliedEndTagsThoroughly( $sourceStart );
if ( $stack->current->htmlName !== 'template' ) {
$builder->error( 'found </template> when other tags are still open', $sourceStart );
}
$builder->popAllUpToName( 'template', $sourceStart, $sourceLength );
$builder->afe->clearToMarker();
$this->dispatcher->templateModeStack->pop();
$this->dispatcher->reset();
break;
default:
$builder->error( "ignoring </$name> in head", $sourceStart );
}
}
public function endDocument( $pos ) {
$this->builder->pop( $pos, 0 );
$this->dispatcher->switchMode( Dispatcher::AFTER_HEAD )
->endDocument( $pos );
}
}

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text/x-php
Expires
Sat, Oct 3, 15:53 (1 d, 14 h ago)
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Storage Handle
2b/3b/74498d555324b52d2be58d00522d
Default Alt Text
InHead.php (4 KB)

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