'xml',
HTMLData::NS_XLINK => 'xlink',
HTMLData::NS_XMLNS => 'xmlns',
];
public function startDocument( $fragmentNamespace, $fragmentName ) {
return '';
}
public function doctype( $name, $public, $system ) {
$ret = "\n";
return $ret;
}
public function characters( SerializerNode $parent, $text, $start, $length ) {
return $this->formatCharacters( substr( $text, $start, $length ) );
}
private function formatCharacters( $text ) {
return '"' .
str_replace( "\n", "", $text ) .
"\"\n";
}
public function element( SerializerNode $parent, SerializerNode $node, $contents ) {
return $this->formatElement( $node->namespace, $node->name,
$node->attrs->getObjects(), $contents );
}
private function formatElement( $namespace, $name, $attrs, $contents ) {
$name = DOMUtils::uncoerceName( $name );
if ( $namespace === HTMLData::NS_HTML ) {
$tagName = $name;
} elseif ( $namespace === HTMLData::NS_SVG ) {
$tagName = "svg $name";
} elseif ( $namespace === HTMLData::NS_MATHML ) {
$tagName = "math $name";
} else {
$tagName = $name;
}
$ret = "<$tagName>\n";
$sortedAttrs = $attrs;
ksort( $sortedAttrs, SORT_STRING );
foreach ( $sortedAttrs as $attrName => $attr ) {
$localName = DOMUtils::uncoerceName( $attr->localName );
if ( $attr->namespaceURI === null
|| isset( $attr->reallyNoNamespace )
) {
$prefix = '';
} elseif ( isset( self::$attrNamespaces[$attr->namespaceURI] ) ) {
$prefix = self::$attrNamespaces[$attr->namespaceURI] . ' ';
}
$ret .= " $prefix$localName=\"{$attr->value}\"\n";
}
if ( $contents !== null && $contents !== '' ) {
$contents = preg_replace( '/^/m', ' ', $contents );
} else {
$contents = '';
}
if ( $namespace === HTMLData::NS_HTML && $name === 'template' ) {
if ( $contents === '' ) {
$contents = " content\n";
} else {
$contents = " content\n" . preg_replace( '/^/m', ' ', $contents );
}
}
$ret .= $contents;
return $ret;
}
public function comment( SerializerNode $parent, $text ) {
return $this->formatComment( $text );
}
private function formatComment( $text ) {
return "\n";
}
public function formatDOMNode( \DOMNode $node ) {
$contents = '';
if ( $node->firstChild ) {
foreach ( $node->childNodes as $child ) {
$contents .= $this->formatDOMNode( $child );
}
}
switch ( $node->nodeType ) {
case XML_ELEMENT_NODE:
return $this->formatDOMElement( $node, $contents );
case XML_DOCUMENT_NODE:
case XML_DOCUMENT_FRAG_NODE:
return $contents;
case XML_TEXT_NODE:
case XML_CDATA_SECTION_NODE:
return $this->formatCharacters( $node->data );
case XML_COMMENT_NODE:
return $this->formatComment( $node->data );
case XML_DOCUMENT_TYPE_NODE:
return $this->doctype( $node->name, $node->publicId, $node->systemId );
case XML_PI_NODE:
default:
return '';
}
}
public function formatDOMElement( \DOMElement $node, $content ) {
$attrs = [];
foreach ( $node->attributes as $attr ) {
$prefix = null;
switch ( $attr->namespaceURI ) {
case HTMLData::NS_XML:
$prefix = 'xml';
$qName = 'xml:' . $attr->localName;
break;
case HTMLData::NS_XMLNS:
if ( $attr->localName === 'xmlns' ) {
$qName = 'xmlns';
} else {
$prefix = 'xmlns';
$qName = 'xmlns:' . $attr->localName;
}
break;
case HTMLData::NS_XLINK:
$prefix = 'xlink';
$qName = 'xlink:' . $attr->localName;
break;
default:
if ( strlen( $attr->prefix ) ) {
$qName = $attr->prefix . ':' . $attr->localName;
} else {
$prefix = $attr->prefix;
$qName = $attr->localName;
}
}
$attrs[$qName] = new Attribute( $qName, $attr->namespaceURI, $prefix,
$attr->localName, $attr->value );
}
return $this->formatElement( $node->namespaceURI, $node->nodeName, $attrs, $content );
}
}