465777f188
Also changed visiblity of some to private Change-Id: I113b040321d27c84fe9b807c162736909e96fb20
104 lines
3 KiB
PHP
104 lines
3 KiB
PHP
<?php
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namespace MediaWiki\Tidy;
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use MediaWiki\Parser\Sanitizer;
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use Wikimedia\RemexHtml\HTMLData;
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use Wikimedia\RemexHtml\Serializer\HtmlFormatter;
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use Wikimedia\RemexHtml\Serializer\SerializerNode;
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/**
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* @internal
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*
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* WATCH OUT! Unlike normal HtmlFormatter, this class requires the 'ignoreCharRefs' option
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* in Tokenizer to be used. If that option is not used, it will produce wrong results (T354361).
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*/
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class RemexCompatFormatter extends HtmlFormatter {
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private const MARKED_EMPTY_ELEMENTS = [
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'li' => true,
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'p' => true,
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'tr' => true,
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];
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/** @var ?callable */
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private $textProcessor;
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public function __construct( $options = [] ) {
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parent::__construct( $options );
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// Escape non-breaking space
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$this->attributeEscapes["\u{00A0}"] = ' ';
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$this->textEscapes["\u{00A0}"] = ' ';
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// Disable escaping of '&', because we expect to see entities, due to 'ignoreCharRefs'
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unset( $this->attributeEscapes["&"] );
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unset( $this->textEscapes["&"] );
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$this->textProcessor = $options['textProcessor'] ?? null;
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}
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public function startDocument( $fragmentNamespace, $fragmentName ) {
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return '';
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}
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/**
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* WATCH OUT! Unlike normal HtmlFormatter, this class expects that the $text argument contains
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* unexpanded character references (entities), as a result of using the 'ignoreCharRefs' option
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* in Tokenizer. If that option is not used, this method will produce wrong results (T354361).
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*
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* @inheritDoc
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*/
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public function characters( SerializerNode $parent, $text, $start, $length ) {
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$text = parent::characters( $parent, $text, $start, $length );
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if ( $parent->namespace !== HTMLData::NS_HTML
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|| !isset( $this->rawTextElements[$parent->name] )
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) {
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if ( $this->textProcessor !== null ) {
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$text = call_user_func( $this->textProcessor, $text );
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}
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}
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// Ensure a consistent representation for all entities
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$text = Sanitizer::normalizeCharReferences( $text );
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return $text;
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}
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public function element( SerializerNode $parent, SerializerNode $node, $contents ) {
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$data = $node->snData;
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if ( $data && $data->isPWrapper ) {
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if ( $data->nonblankNodeCount ) {
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return "<p>$contents</p>";
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} else {
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return $contents;
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}
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}
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$name = $node->name;
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$attrs = $node->attrs;
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if ( isset( self::MARKED_EMPTY_ELEMENTS[$name] ) && $attrs->count() === 0
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&& strspn( $contents, "\t\n\f\r " ) === strlen( $contents )
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) {
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return "<{$name} class=\"mw-empty-elt\">$contents</{$name}>";
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}
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$s = "<$name";
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foreach ( $attrs->getValues() as $attrName => $attrValue ) {
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$encValue = strtr( $attrValue, $this->attributeEscapes );
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$encValue = Sanitizer::normalizeCharReferences( $encValue );
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$s .= " $attrName=\"$encValue\"";
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}
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if ( $node->namespace === HTMLData::NS_HTML && isset( $this->voidElements[$name] ) ) {
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$s .= ' />';
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return $s;
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}
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$s .= '>';
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if ( $node->namespace === HTMLData::NS_HTML
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&& isset( $contents[0] ) && $contents[0] === "\n"
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&& isset( $this->prefixLfElements[$name] )
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) {
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$s .= "\n$contents</$name>";
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} else {
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$s .= "$contents</$name>";
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}
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return $s;
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}
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}
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