#include "../config/pathan_config.h"
/*
 * Copyright (c) 2001, DecisionSoft Limited All rights reserved.
 * Please see LICENSE.TXT for more information.
 */

#include <pathan/functions/FunctionLocalNameFromQName.hpp>
#include <pathan/DynamicContext.hpp>
#include <pathan/ATQNameOrDerived.hpp>
#include <pathan/ATStringOrDerived.hpp>
#include <pathan/internal/DOMutils/XStr.hpp> // defines X() and XMLCh*
#include <pathan/internal/factory/DatatypeFactory.hpp>

const XMLCh FunctionLocalNameFromQName::name[] = {
XERCES_CPP_NAMESPACE_QUALIFIER chLatin_l, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_o, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_c, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_a, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_l, XERCES_CPP_NAMESPACE_QUALIFIER chDash, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_n, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_a, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_m, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_e, XERCES_CPP_NAMESPACE_QUALIFIER chDash, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_f, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_r, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_o, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_m, XERCES_CPP_NAMESPACE_QUALIFIER chDash, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_Q, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_N, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_a, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_m, XERCES_CPP_NAMESPACE_QUALIFIER chLatin_e, XERCES_CPP_NAMESPACE_QUALIFIER chNull };

/**
 * fn:local-name-from-QName($arg as xs:QName?) as xs:string?
**/

FunctionLocalNameFromQName::FunctionLocalNameFromQName(const VectorOfDataItems &args, XPath2MemoryManager* memMgr)
  : ConstantFoldingFunction(name,1, 1, "QName?", args, memMgr)
{
}

Sequence FunctionLocalNameFromQName::collapseTreeInternal(DynamicContext* context, int flags) const
{
  Sequence arg=getParamNumber(1,context);
  if(arg.isEmpty())
    return Sequence(context->getMemoryManager());
  return Sequence(DatatypeFactory::STR2AT::createString(context->getMemoryManager(), ((const ATQNameOrDerived*)arg.first())->getName(), context),
                  context->getMemoryManager());
}