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ForeignAttributes.php
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ForeignAttributes.php
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<?php
namespace Wikimedia\RemexHtml\TreeBuilder;
use Wikimedia\RemexHtml\HTMLData;
use Wikimedia\RemexHtml\Tokenizer\Attribute;
use Wikimedia\RemexHtml\Tokenizer\Attributes;
/**
* An Attributes class for storing attributes on foreign elements, which may
* have namespaces. Features lazy adjustment of attribute name case.
*/
class ForeignAttributes implements Attributes {
/** @var Attributes */
protected $unadjusted;
/** @var array The map of lowercase attribute name to correct attribute name */
protected $table;
/** @var Attribute[]|null */
protected $attrObjects;
/**
* Adjustment tables for the case of attributes on MathML and SVG elements
* @var array
*/
private static $adjustmentTables = [
'math' => [
'definitionurl' => 'definitionURL',
],
'svg' => [
'attributename' => 'attributeName',
'attributetype' => 'attributeType',
'basefrequency' => 'baseFrequency',
'baseprofile' => 'baseProfile',
'calcmode' => 'calcMode',
'clippathunits' => 'clipPathUnits',
'diffuseconstant' => 'diffuseConstant',
'edgemode' => 'edgeMode',
'filterunits' => 'filterUnits',
'glyphref' => 'glyphRef',
'gradienttransform' => 'gradientTransform',
'gradientunits' => 'gradientUnits',
'kernelmatrix' => 'kernelMatrix',
'kernelunitlength' => 'kernelUnitLength',
'keypoints' => 'keyPoints',
'keysplines' => 'keySplines',
'keytimes' => 'keyTimes',
'lengthadjust' => 'lengthAdjust',
'limitingconeangle' => 'limitingConeAngle',
'markerheight' => 'markerHeight',
'markerunits' => 'markerUnits',
'markerwidth' => 'markerWidth',
'maskcontentunits' => 'maskContentUnits',
'maskunits' => 'maskUnits',
'numoctaves' => 'numOctaves',
'pathlength' => 'pathLength',
'patterncontentunits' => 'patternContentUnits',
'patterntransform' => 'patternTransform',
'patternunits' => 'patternUnits',
'pointsatx' => 'pointsAtX',
'pointsaty' => 'pointsAtY',
'pointsatz' => 'pointsAtZ',
'preservealpha' => 'preserveAlpha',
'preserveaspectratio' => 'preserveAspectRatio',
'primitiveunits' => 'primitiveUnits',
'refx' => 'refX',
'refy' => 'refY',
'repeatcount' => 'repeatCount',
'repeatdur' => 'repeatDur',
'requiredextensions' => 'requiredExtensions',
'requiredfeatures' => 'requiredFeatures',
'specularconstant' => 'specularConstant',
'specularexponent' => 'specularExponent',
'spreadmethod' => 'spreadMethod',
'startoffset' => 'startOffset',
'stddeviation' => 'stdDeviation',
'stitchtiles' => 'stitchTiles',
'surfacescale' => 'surfaceScale',
'systemlanguage' => 'systemLanguage',
'tablevalues' => 'tableValues',
'targetx' => 'targetX',
'targety' => 'targetY',
'textlength' => 'textLength',
'viewbox' => 'viewBox',
'viewtarget' => 'viewTarget',
'xchannelselector' => 'xChannelSelector',
'ychannelselector' => 'yChannelSelector',
'zoomandpan' => 'zoomAndPan',
],
'other' => [],
];
/**
* The potentially namespaced attributes, and the namespaces they belong to.
* Excepting xmlns since it is very special.
*
* @var array
*/
private static $namespaceMap = [
'xlink:actuate' => HTMLData::NS_XLINK,
'xlink:arcrole' => HTMLData::NS_XLINK,
'xlink:href' => HTMLData::NS_XLINK,
'xlink:role' => HTMLData::NS_XLINK,
'xlink:show' => HTMLData::NS_XLINK,
'xlink:title' => HTMLData::NS_XLINK,
'xlink:type' => HTMLData::NS_XLINK,
'xml:lang' => HTMLData::NS_XML,
'xml:space' => HTMLData::NS_XML,
'xmlns:xlink' => HTMLData::NS_XMLNS,
];
/**
* @param Attributes $unadjusted The unadjusted attributes from the Tokenizer
* @param string $type The element type, which may be "math", "svg" or "other".
*/
public function __construct( Attributes $unadjusted, $type ) {
$this->unadjusted = $unadjusted;
$this->table = self::$adjustmentTables[$type];
}
public function offsetExists( $offset ): bool {
$offset = $this->table[$offset] ?? $offset;
return $this->unadjusted->offsetExists( $offset );
}
public function &offsetGet( $offset ): string {
$offset = $this->table[$offset] ?? $offset;
$value = &$this->unadjusted->offsetGet( $offset );
return $value;
}
public function offsetSet( $offset, $value ): void {
// @phan-suppress-previous-line PhanPluginNeverReturnMethod
throw new TreeBuilderError( "Setting foreign attributes is not supported" );
}
public function offsetUnset( $offset ): void {
// @phan-suppress-previous-line PhanPluginNeverReturnMethod
throw new TreeBuilderError( "Setting foreign attributes is not supported" );
}
public function getValues() {
$result = [];
foreach ( $this->unadjusted->getValues() as $name => $value ) {
$name = $this->table[$name] ?? $name;
$result[$name] = $value;
}
return $result;
}
public function count(): int {
return $this->unadjusted->count();
}
public function getIterator(): \ArrayIterator {
return new \ArrayIterator( $this->getValues() );
}
public function getObjects() {
if ( $this->attrObjects === null ) {
$result = [];
foreach ( $this->unadjusted->getValues() as $name => $value ) {
if ( isset( $this->table[$name] ) ) {
$name = $this->table[$name];
}
if ( $name === 'xmlns' ) {
$prefix = null;
$namespace = HTMLData::NS_XMLNS;
$localName = $name;
} elseif ( isset( self::$namespaceMap[$name] ) ) {
$namespace = self::$namespaceMap[$name];
[ $prefix, $localName ] = explode( ':', $name, 2 );
} else {
$prefix = null;
$namespace = null;
$localName = $name;
}
$result[$name] = new Attribute( $name, $namespace, $prefix, $localName, $value );
}
$this->attrObjects = $result;
}
return $this->attrObjects;
}
public function merge( Attributes $other ) {
// @phan-suppress-previous-line PhanPluginNeverReturnMethod
throw new TreeBuilderError( __METHOD__ . ': unimplemented' );
}
public function clone() {
return $this;
}
}

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text/x-php
Expires
Sat, Oct 3, 23:30 (2 w, 2 d ago)
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a6/4f/171494905e4dd9c5445a804ff938
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ForeignAttributes.php (5 KB)

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