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

#include "ATAnyURIOrDerivedImpl.hpp"
#include <pathan/XPath2Utils.hpp>
#include <pathan/exceptions/IllegalArgumentException.hpp>
#include "../../exceptions/InvalidLexicalSpaceException.hpp"
#include <pathan/exceptions/TypeNotFoundException.hpp>
#include "../../exceptions/XPath2TypeCastException.hpp"
#include <xercesc/util/XMLUni.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/validators/schema/SchemaSymbols.hpp>
#include <pathan/internal/DOMutils/XStr.hpp> // defines X() and XMLCh*
#include <pathan/DynamicContext.hpp>
#include <pathan/internal/factory/DatatypeFactory.hpp>
#include <xercesc/framework/XMLBuffer.hpp>
#include <pathan/XPath2MemoryManager.hpp>
#include <pathan/ATStringOrDerived.hpp>

ATAnyURIOrDerivedImpl::
ATAnyURIOrDerivedImpl(const XMLCh* typeURI, const XMLCh* typeName, const XMLCh* value, XPath2MemoryManager* memMgr, const DynamicContext* context): 
    ATAnyURIOrDerived(memMgr),
    _typeName(typeName),
    _typeURI(typeURI) { 
    
  _uri = getMemoryManager()->getPooledString(value);
      
}

/* Get the name of the primitive type (basic type) of this type
 * (ie "decimal" for xs:decimal) */
const XMLCh* ATAnyURIOrDerivedImpl::getPrimitiveTypeName() const {
  return this->getPrimitiveName();
}

const XMLCh* ATAnyURIOrDerivedImpl::getPrimitiveName() {
  return XERCES_CPP_NAMESPACE_QUALIFIER SchemaSymbols::fgDT_ANYURI;
}

/* Get the name of this type  (ie "integer" for xs:integer) */
const XMLCh* ATAnyURIOrDerivedImpl::getTypeName() const {
  return _typeName;
}

/* Get the namespace URI for this type */
const XMLCh* ATAnyURIOrDerivedImpl::getTypeURI() const {
  return _typeURI; 
}

AnyAtomicType::AtomicObjectType ATAnyURIOrDerivedImpl::getTypeIndex() {
  return AnyAtomicType::ANY_URI;
} 

/* If possible, cast this type to the target type */
const AnyAtomicType* ATAnyURIOrDerivedImpl::castAsInternal(const XMLCh* targetURI, const XMLCh* targetType, const DynamicContext* context) const {
  const DatatypeFactory* target = context->getDatatypeFactory(targetURI, targetType); 

  AnyAtomicType::AtomicObjectType targetIndex = target->getPrimitiveTypeIndex();

  switch (targetIndex) {
    case ANY_SIMPLE_TYPE:
    case UNTYPED_ATOMIC:
      //anySimpleType and untypedAtomic follow the same casting rules as string.
    case STRING: {
      return DatatypeFactory::STR2AT::createDerivedFromAtomicType(context->getMemoryManager(), targetURI, targetType, _uri, context);
    }
    default: return AnyAtomicType::castAsInternal(targetURI, targetType, context);
  }
}

/* returns the XMLCh* (canonical) representation of this type */
const XMLCh* ATAnyURIOrDerivedImpl::asString(const DynamicContext* context) const {
  return _uri;
}

/* returns true if the two objects' URI are equal (string comparison)
   * false otherwise */
bool ATAnyURIOrDerivedImpl::equals(const AnyAtomicType* target, const DynamicContext* context) const {
  if(this->getPrimitiveTypeIndex() != target->getPrimitiveTypeIndex()) {
    DSLthrow(IllegalArgumentException,X("ATAnyURIOrDerivedImpl::equals"), X("Equality operator for given types not supported"));
  }
  return XPath2Utils::equals(((ATAnyURIOrDerivedImpl*)target)->_uri, _uri);  
}

AnyAtomicType::AtomicObjectType ATAnyURIOrDerivedImpl::getPrimitiveTypeIndex() const {
  return this->getTypeIndex();
}

/** Releases the memory used by this Item */
void ATAnyURIOrDerivedImpl::release() const {
  //TODO needs to check for ownership before releasing!
  
  getMemoryManager()->deallocate((void*)this);
}