#include "../config/pathan_config.h"
// CollationImpl.cpp: implementation of the CollationImpl class.
//
//////////////////////////////////////////////////////////////////////

#include <pathan/internal/collations/CollationImpl.hpp>
#include <pathan/ATStringOrDerived.hpp>
#include <pathan/Item.hpp>
#include <pathan/DynamicContext.hpp>
#include <pathan/internal/factory/DatatypeFactory.hpp>

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CollationImpl::CollationImpl(XPath2MemoryManager* memMgr, CollationHelper* helper)
{
  _memMgr=memMgr;
    _helper=helper;
}

const XMLCh* CollationImpl::getCollationName() const
{
    return _helper->getCollationName();
}

int CollationImpl::compare(const XMLCh* const string1, const XMLCh* const string2) const
{
    return _helper->compare(string1,string2);
}
    
Sequence CollationImpl::sort(Sequence data, const DynamicContext* context) const
{
  // build a sequence made of strings
  Sequence stringSeq = Sequence(data.getLength(), context->getMemoryManager());
  for(Sequence::iterator it=data.begin(); it!=data.end(); ++it) {
    const XMLCh *str = (*it)->asString(context);
    stringSeq.addItem(DatatypeFactory::STR2AT::createString(context->getMemoryManager(), str, context));
  }

  stringSeq.sortWithCollation(this, context);

  return stringSeq;
}