MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / vendor / wikimedia / remex-html / RemexHtml / TreeBuilder / InsertionMode.php

diff --git a/vendor/wikimedia/remex-html/RemexHtml/TreeBuilder/InsertionMode.php b/vendor/wikimedia/remex-html/RemexHtml/TreeBuilder/InsertionMode.php
new file mode 100644 (file)
index 0000000..5d4cd08
--- /dev/null
+++ b/vendor/wikimedia/remex-html/RemexHtml/TreeBuilder/InsertionMode.php
@@ -0,0 +1,122 @@
+<?php
+
+namespace RemexHtml\TreeBuilder;
+use RemexHtml\PropGuard;
+use RemexHtml\Tokenizer\Attributes;
+use RemexHtml\Tokenizer\TokenHandler;
+
+abstract class InsertionMode {
+       const SELF_CLOSE_ERROR = 'unacknowledged self closing tag';
+
+       protected $builder;
+       protected $dispatcher;
+
+       public function __construct( TreeBuilder $builder, Dispatcher $dispatcher ) {
+               $this->builder = $builder;
+               $this->dispatcher = $dispatcher;
+       }
+
+       public function __set( $name, $value ) {
+               PropGuard::set( $this, $name, $value );
+       }
+
+       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 {
+                       list( $part1, $part2 ) = $this->splitInitialMatch(
+                               $isStartOfToken, "\t\n\f\r ", $text, $start, $length, $sourceStart, $sourceLength );
+                       $isStartOfToken = false;
+
+                       list( $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 );
+                               }
+                       }
+
+                       list( $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 ) {
+               $originalLength = $length;
+               $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 );
+}
+