/**
* @param DOMElement $element
* @param $groupId
* @return DOMElement
*/
private function createForEachStatement(DOMElement $element, $groupId)
{
$select = $element->getAttribute('select');
$groupBy = $element->getAttribute('group-by');
$namespaces = FetchNamespacesFromNode::fetch($element);
$addGroupingItem = (new FunctionBuilder('php:function'))->addArgument(PhpCallback::class . '::call')->addArgument(XslTransformations::URI . ':group-by')->addArgument($groupId)->addExpression('.')->addExpression('generate-id(.)')->addArgument(base64_encode($groupBy))->addArgument(base64_encode(json_encode($namespaces)));
$updatedSelect = $select . '[' . $addGroupingItem->build() . ']';
$createGroupFunction = (new FunctionBuilder('php:function'))->addArgument(PhpCallback::class . '::call')->addArgument(XslTransformations::URI . ':group-iterate')->addArgument($groupId)->addExpression($updatedSelect);
$xslForEach = $element->ownerDocument->createElementNS(XslTransformations::URI, 'xsl:for-each');
$xslForEach->setAttribute('select', $createGroupFunction->build() . '//xsl:group');
$xslForEach->setAttribute('group-id', $groupId);
return $xslForEach;
}
/**
* @param Lexer $lexer
* @param DOMNode $currentElement
* @return string[]
*/
private function createFunctionTokens(Lexer $lexer, DOMNode $currentElement)
{
$token = $lexer->current();
$documentElement = $currentElement->ownerDocument->documentElement;
$namespaces = FetchNamespacesFromNode::fetch($documentElement);
$functionName = $this->convertTokenToFunctionName($token, $namespaces);
if ($this->functions->has($functionName)) {
$function = $this->functions->get($functionName);
if ($function instanceof ReplaceFunctionInterface) {
return $function->replace($lexer, $currentElement);
}
}
return [$token];
}
/**
* @param DOMDocument $document
*/
public function transform(DOMDocument $document)
{
$root = $document->documentElement;
$namespaces = FetchNamespacesFromNode::fetch($document->documentElement);
$xslPrefix = array_search(XslTransformations::URI, $namespaces);
$excludePrefixes = preg_split('/\\s/', $root->getAttribute('exclude-result-prefixes'));
$excludePrefixes[] = 'php';
$excludePrefixes[] = 'xs';
if (in_array('#all', $excludePrefixes) === true || $this->config->shouldExcludeResultPrefixes()) {
$excludePrefixes = array_merge($excludePrefixes, array_keys($namespaces));
$excludePrefixes = array_filter($excludePrefixes, function ($prefix) {
return $prefix !== '#all';
});
}
$excludePrefixes = array_unique($excludePrefixes);
$root->setAttribute('xmlns:php', 'http://php.net/xsl');
$root->setAttribute('xmlns:xs', XmlSchema::URI);
$root->setAttribute('exclude-result-prefixes', implode(' ', $excludePrefixes));
$this->transformElements($document, $xslPrefix);
$this->transformAttributes($document, $xslPrefix);
}
/**
* @param $elements
* @return DOMDocument
*/
public static function inScopePrefixes($elements)
{
Assert::assertArray($elements);
$listOfPrefixes = [];
foreach ($elements as $element) {
$listOfPrefixes = array_merge($listOfPrefixes, array_keys(FetchNamespacesFromNode::fetch($element)));
}
return XsSequence::fromArray($listOfPrefixes);
}