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BeforeHtml.php
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BeforeHtml.php
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<?php
namespace Wikimedia\RemexHtml\TreeBuilder;
use Wikimedia\RemexHtml\Tokenizer\Attributes;
use Wikimedia\RemexHtml\Tokenizer\PlainAttributes;
/**
* The "before html" insertion mode
*/
class BeforeHtml extends InsertionMode {
public function characters( $text, $start, $length, $sourceStart, $sourceLength ) {
// Ignore whitespace
[ $part1, $part2 ] = $this->splitInitialMatch(
true, "\t\n\f\r ", $text, $start, $length, $sourceStart, $sourceLength );
[ $start, $length, $sourceStart, $sourceLength ] = $part2;
if ( !$length ) {
return;
}
// Generate missing <html> tag
$this->builder->insertElement( 'html', new PlainAttributes, false, $sourceStart, 0 );
$this->dispatcher->switchMode( Dispatcher::BEFORE_HEAD )
->characters( $text, $start, $length, $sourceStart, $sourceLength );
}
public function startTag( $name, Attributes $attrs, $selfClose, $sourceStart, $sourceLength ) {
if ( $name === 'html' ) {
$this->builder->insertElement( $name, $attrs, false,
$sourceStart, $sourceLength );
$this->dispatcher->switchMode( Dispatcher::BEFORE_HEAD );
} else {
$this->builder->insertElement( 'html', new PlainAttributes, false,
$sourceStart, 0 );
$this->dispatcher->switchMode( Dispatcher::BEFORE_HEAD )
->startTag( $name, $attrs, $selfClose, $sourceStart, $sourceLength );
}
}
public function endTag( $name, $sourceStart, $sourceLength ) {
$allowed = [ "head" => true, "body" => true, "html" => true, "br" => true ];
if ( !isset( $allowed[$name] ) ) {
$this->builder->error( 'end tag not allowed before html', $sourceStart );
return;
}
$this->builder->insertElement( 'html', new PlainAttributes, false, $sourceStart, 0 );
$this->dispatcher->switchMode( Dispatcher::BEFORE_HEAD )
->endTag( $name, $sourceStart, $sourceLength );
}
public function endDocument( $pos ) {
$this->builder->insertElement( 'html', new PlainAttributes, false, $pos, 0 );
$this->dispatcher->switchMode( Dispatcher::BEFORE_HEAD )
->endDocument( $pos );
}
}

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text/x-php
Expires
Sat, Oct 3, 11:03 (6 d, 10 h ago)
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local-disk
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5e/bd/ac193fd2340cf1fc127854e4b79d
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BeforeHtml.php (1 KB)

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