MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / includes / tidy / RemexCompatFormatter.php

diff --git a/includes/tidy/RemexCompatFormatter.php b/includes/tidy/RemexCompatFormatter.php
new file mode 100644 (file)
index 0000000..c8a715b
--- /dev/null
+++ b/includes/tidy/RemexCompatFormatter.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace MediaWiki\Tidy;
+
+use RemexHtml\HTMLData;
+use RemexHtml\Serializer\HtmlFormatter;
+use RemexHtml\Serializer\SerializerNode;
+
+/**
+ * @internal
+ */
+class RemexCompatFormatter extends HtmlFormatter {
+       private static $markedEmptyElements = [
+               'li' => true,
+               'p' => true,
+               'tr' => true,
+       ];
+
+       public function __construct( $options = [] ) {
+               parent::__construct( $options );
+               $this->attributeEscapes["\xc2\xa0"] = '&#160;';
+               unset( $this->attributeEscapes["&"] );
+               $this->textEscapes["\xc2\xa0"] = '&#160;';
+               unset( $this->textEscapes["&"] );
+       }
+
+       public function startDocument( $fragmentNamespace, $fragmentName ) {
+               return '';
+       }
+
+       public function element( SerializerNode $parent, SerializerNode $node, $contents ) {
+               $data = $node->snData;
+               if ( $data && $data->isPWrapper ) {
+                       if ( $data->nonblankNodeCount ) {
+                               return "<p>$contents</p>";
+                       } else {
+                               return $contents;
+                       }
+               }
+
+               $name = $node->name;
+               $attrs = $node->attrs;
+               if ( isset( self::$markedEmptyElements[$name] ) && $attrs->count() === 0 ) {
+                       if ( strspn( $contents, "\t\n\f\r " ) === strlen( $contents ) ) {
+                               return "<{$name} class=\"mw-empty-elt\">$contents</{$name}>";
+                       }
+               }
+
+               $s = "<$name";
+               foreach ( $attrs->getValues() as $attrName => $attrValue ) {
+                       $encValue = strtr( $attrValue, $this->attributeEscapes );
+                       $s .= " $attrName=\"$encValue\"";
+               }
+               if ( $node->namespace === HTMLData::NS_HTML && isset( $this->voidElements[$name] ) ) {
+                       $s .= ' />';
+                       return $s;
+               }
+
+               $s .= '>';
+               if ( $node->namespace === HTMLData::NS_HTML
+                       && isset( $contents[0] ) && $contents[0] === "\n"
+                       && isset( $this->prefixLfElements[$name] )
+               ) {
+                       $s .= "\n$contents</$name>";
+               } else {
+                       $s .= "$contents</$name>";
+               }
+               return $s;
+       }
+}