--- /dev/null
+<?php
+
+namespace RemexHtml\TreeBuilder;
+use RemexHtml\Tokenizer\Attributes;
+use RemexHtml\Tokenizer\PlainAttributes;
+
+/**
+ * The "in table" insertion mode
+ */
+class InTable extends InsertionMode {
+ /**
+ * The tag names that are cleared when we "clear the stack back to a table context"
+ */
+ private static $tableContext = [
+ 'table' => true,
+ 'template' => true,
+ 'html' => true
+ ];
+
+ public function characters( $text, $start, $length, $sourceStart, $sourceLength ) {
+ $allowed = [
+ 'table' => true,
+ 'tbody' => true,
+ 'tfoot' => true,
+ 'thead' => true,
+ 'tr' => true ];
+ if ( isset( $allowed[$this->builder->stack->current->htmlName] ) ) {
+ $this->builder->pendingTableCharacters = [];
+ $this->dispatcher->switchAndSave( Dispatcher::IN_TABLE_TEXT )
+ ->characters( $text, $start, $length, $sourceStart, $sourceLength );
+ } else {
+ $this->builder->error( 'unexpected text in table, fostering', $sourceStart );
+ $this->builder->fosterParenting = true;
+ $this->dispatcher->inBody->characters(
+ $text, $start, $length, $sourceStart, $sourceLength );
+ $this->builder->fosterParenting = false;
+ }
+ }
+
+ public function startTag( $name, Attributes $attrs, $selfClose, $sourceStart, $sourceLength ) {
+ $builder = $this->builder;
+ $dispatcher = $this->dispatcher;
+ $stack = $builder->stack;
+
+ switch ( $name ) {
+ case 'caption':
+ $builder->clearStackBack( self::$tableContext, $sourceStart );
+ $builder->afe->insertMarker();
+ $dispatcher->switchMode( Dispatcher::IN_CAPTION );
+ $builder->insertElement( $name, $attrs, false,
+ $sourceStart, $sourceLength );
+ break;
+
+ case 'colgroup':
+ $builder->clearStackBack( self::$tableContext, $sourceStart );
+ $dispatcher->switchMode( Dispatcher::IN_COLUMN_GROUP );
+ $builder->insertElement( $name, $attrs, false,
+ $sourceStart, $sourceLength );
+ break;
+
+ case 'col':
+ $builder->clearStackBack( self::$tableContext, $sourceStart );
+ $builder->insertElement( 'colgroup', new PlainAttributes, false,
+ $sourceStart, 0 );
+ $dispatcher->switchMode( Dispatcher::IN_COLUMN_GROUP )
+ ->startTag( $name, $attrs, $selfClose, $sourceStart, $sourceLength );
+ break;
+
+ case 'tbody':
+ case 'tfoot':
+ case 'thead':
+ $builder->clearStackBack( self::$tableContext, $sourceStart );
+ $builder->insertElement( $name, $attrs, false,
+ $sourceStart, $sourceLength );
+ $dispatcher->switchMode( Dispatcher::IN_TABLE_BODY );
+ break;
+
+ case 'td':
+ case 'th':
+ case 'tr':
+ $builder->clearStackBack( self::$tableContext, $sourceStart );
+ $builder->insertElement( 'tbody', new PlainAttributes, false,
+ $sourceStart, $sourceLength );
+ $dispatcher->switchMode( Dispatcher::IN_TABLE_BODY )
+ ->startTag( $name, $attrs, $selfClose, $sourceStart, $sourceLength );
+ break;
+
+ case 'table':
+ $builder->error( 'unexpected <table> in table', $sourceStart );
+ if ( !$stack->isInTableScope( 'table' ) ) {
+ // Ignore
+ break;
+ }
+ $builder->popAllUpToName( 'table', $sourceStart, 0 );
+ $dispatcher->reset()
+ ->startTag( $name, $attrs, $selfClose, $sourceStart, $sourceLength );
+ break;
+
+ case 'style':
+ case 'script':
+ case 'template':
+ $dispatcher->inHead->startTag( $name, $attrs, $selfClose, $sourceStart, $sourceLength );
+ break;
+
+ case 'form':
+ if ( $stack->hasTemplate() || $builder->formElement !== null ) {
+ $builder->error( 'invalid form in table, ignoring', $sourceStart );
+ // Ignore
+ break;
+ }
+ $builder->error( 'invalid form in table, inserting void element', $sourceStart );
+ $elt = $builder->insertElement( 'form', $attrs, true,
+ $sourceStart, $sourceLength );
+ $builder->formElement = $elt;
+ break;
+
+ case 'input':
+ if ( isset( $attrs['type'] ) && strcasecmp( $attrs['type'], 'hidden' ) === 0 ) {
+ $builder->error( 'begrudgingly accepting a hidden input in table mode',
+ $sourceStart );
+ $dispatcher->ack = true;
+ $builder->insertElement( $name, $attrs, true, $sourceStart, $sourceLength );
+ break;
+ }
+ // Fall through
+
+ default:
+ $builder->error( 'invalid start tag in table, fostering', $sourceStart );
+ $builder->fosterParenting = true;
+ $dispatcher->inBody->startTag( $name, $attrs, $selfClose, $sourceStart, $sourceLength );
+ $builder->fosterParenting = false;
+ break;
+ }
+ }
+
+ public function endTag( $name, $sourceStart, $sourceLength ) {
+ $builder = $this->builder;
+ $stack = $builder->stack;
+ $dispatcher = $this->dispatcher;
+
+ switch ( $name ) {
+ case 'table':
+ if ( !$stack->isInTableScope( 'table' ) ) {
+ $builder->error( '</table> found but no table element in scope, ignoring', $sourceStart );
+ // Ignore
+ break;
+ }
+ $builder->popAllUpToName( 'table', $sourceStart, $sourceLength );
+ $dispatcher->reset();
+ break;
+
+ case 'body':
+ case 'caption':
+ case 'col':
+ case 'colgroup':
+ case 'html':
+ case 'tbody':
+ case 'td':
+ case 'tfoot':
+ case 'th':
+ case 'thead':
+ case 'tr':
+ $builder->error( 'ignoring invalid end tag inside table', $sourceStart );
+ break;
+
+ case 'template':
+ $dispatcher->inHead->endTag( $name, $sourceStart, $sourceLength );
+ break;
+
+ default:
+ $builder->error( 'unexpected end tag in table, fostering', $sourceStart );
+ $builder->fosterParenting = true;
+ $dispatcher->inBody->endTag( $name, $sourceStart, $sourceLength );
+ $builder->fosterParenting = false;
+ }
+ }
+
+ public function endDocument( $pos ) {
+ $this->dispatcher->inBody->endDocument( $pos );
+ }
+}
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