/**
* Parse the given skiptoken, validate it using the given InternalOrderByInfo
* and generates instance of InternalSkipTokenInfo.
*
* @param ResourceType &$resourceType The resource type of the
* resource targetted by the
* resource path.
* @param InternalOrderByInfo &$internalOrderByInfo The $orderby details.
* @param string $skipToken The $skiptoken value.
*
* @return InternalSkipTokenInfo
*
* @throws ODataException
*/
public static function parseSkipTokenClause(ResourceType &$resourceType, InternalOrderByInfo &$internalOrderByInfo, $skipToken)
{
$tokenValueDescriptor = null;
if (!KeyDescriptor::tryParseValuesFromSkipToken($skipToken, $tokenValueDescriptor)) {
ODataException::createSyntaxError(Messages::skipTokenParserSyntaxError($skipToken));
}
$orderByPathSegments = null;
//$positionalValues are of type array(int, array(string, IType))
$positionalValues =& $tokenValueDescriptor->getPositionalValuesByRef();
$count = count($positionalValues);
$orderByPathSegments = $internalOrderByInfo->getOrderByPathSegments();
$orderByPathCount = count($orderByPathSegments);
if ($count != $orderByPathCount) {
ODataException::createBadRequestError(Messages::skipTokenParserSkipTokenNotMatchingOrdering($count, $skipToken, $orderByPathCount));
}
$i = 0;
foreach ($orderByPathSegments as $orderByPathSegment) {
$typeProvidedInSkipToken = $positionalValues[$i][1];
if (!$typeProvidedInSkipToken instanceof Null1) {
$orderBySubPathSegments = $orderByPathSegment->getSubPathSegments();
$j = count($orderBySubPathSegments) - 1;
$expectedType = $orderBySubPathSegments[$j]->getInstanceType();
if (!$expectedType->isCompatibleWith($typeProvidedInSkipToken)) {
ODataException::createSyntaxError(Messages::skipTokenParserInCompatibleTypeAtPosition($skipToken, $expectedType->getFullTypeName(), $i, $typeProvidedInSkipToken->getFullTypeName()));
}
}
$i++;
}
return new InternalSkipTokenInfo($internalOrderByInfo, $positionalValues, $resourceType);
}
