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InsertionMode.php
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InsertionMode.php
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<?php
namespace Wikimedia\RemexHtml\TreeBuilder;
use Wikimedia\RemexHtml\PropGuard;
use Wikimedia\RemexHtml\Tokenizer\Attributes;
abstract class InsertionMode {
use PropGuard;
/** @var TreeBuilder */
protected $builder;
/** @var Dispatcher */
protected $dispatcher;
public function __construct( TreeBuilder $builder, Dispatcher $dispatcher ) {
$this->builder = $builder;
$this->dispatcher = $dispatcher;
}
public function doctype( $name, $public, $system, $quirks, $sourceStart, $sourceLength ) {
$this->builder->error( "unexpected doctype", $sourceStart );
}
public function comment( $text, $sourceStart, $sourceLength ) {
$this->builder->comment( null, $text, $sourceStart, $sourceLength );
}
public function error( $text, $pos ) {
$this->builder->error( $text, $pos );
}
protected function splitInitialMatch( $isStartOfToken, $mask, $text, $start, $length,
$sourceStart, $sourceLength
) {
$matchLength = strspn( $text, $mask, $start, $length );
if ( $isStartOfToken && $matchLength ) {
// Do some extra work to figure out a plausible start position if
// the text node started with <![CDATA[
// FIXME: make this optional?
$sourceText = $this->builder->tokenizer->getPreprocessedText();
$isCdata = substr_compare( $sourceText, '<![CDATA[', $sourceStart, $sourceLength ) === 0;
$cdataLength = $isCdata ? strlen( '<![CDATA[' ) : 0;
} else {
$cdataLength = 0;
}
return [
[
$start,
$matchLength,
$sourceStart,
$matchLength + $cdataLength,
], [
$start + $matchLength,
$length - $matchLength,
$sourceStart + $matchLength + $cdataLength,
$sourceLength - $matchLength - $cdataLength
]
];
}
protected function handleFramesetWhitespace( $inBody, $text, $start, $length,
$sourceStart, $sourceLength
) {
$isStartOfToken = true;
$builder = $this->builder;
do {
[ $part1, $part2 ] = $this->splitInitialMatch(
$isStartOfToken, "\t\n\f\r ", $text, $start, $length, $sourceStart, $sourceLength );
$isStartOfToken = false;
[ $start, $length, $sourceStart, $sourceLength ] = $part1;
if ( $length ) {
if ( $inBody ) {
$this->dispatcher->inBody->characters( $text, $start, $length,
$sourceStart, $sourceLength );
} else {
$builder->insertCharacters( $text, $start, $length, $sourceStart, $sourceLength );
}
}
[ $start, $length, $sourceStart, $sourceLength ] = $part2;
if ( $length ) {
$builder->error( "unexpected non-whitespace character", $sourceStart );
$start++;
$length--;
$sourceStart++;
$sourceLength--;
}
} while ( $length > 0 );
}
protected function stripNulls( $callback, $text, $start, $length, $sourceStart, $sourceLength ) {
$errorOffset = $sourceStart - $start;
while ( $length > 0 ) {
$validLength = strcspn( $text, "\0", $start, $length );
if ( $validLength ) {
$callback( $text, $start, $validLength, $sourceStart, $sourceLength );
$start += $validLength;
$length -= $validLength;
}
if ( $length <= 0 ) {
break;
}
$this->error( 'unexpected null character', $start + $errorOffset );
$start++;
$length--;
}
}
abstract public function characters( $text, $start, $length, $sourceStart, $sourceLength );
abstract public function startTag( $name, Attributes $attrs, $selfClose,
$sourceStart, $sourceLength );
abstract public function endTag( $name, $sourceStart, $sourceLength );
abstract public function endDocument( $pos );
}

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text/x-php
Expires
Fri, Jul 3, 21:10 (1 d, 1 h)
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local-disk
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Storage Handle
d3/83/4bae9345d2a3fef5c5e820f3ff94
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InsertionMode.php (3 KB)

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