/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You under the Apache License, Version 2.0

 * (the "License"); you may not use this file except in compliance with

 * the License.  You may obtain a copy of the License at

 * 

 *      http://www.apache.org/licenses/LICENSE-2.0

 * 

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

/*

 * $Id: FieldValueMap.hpp 568078 2007-08-21 11:43:25Z amassari $

 */

#if !defined(FIELDVALUEMAP_HPP)

#define FIELDVALUEMAP_HPP

/**

  * This class maps values associated with fields of an identity constraint

  * that have successfully matched some string in an instance document.

  */

// ---------------------------------------------------------------------------

//  Includes

// ---------------------------------------------------------------------------

#include <xercesc/util/XMLString.hpp>

#include <xercesc/util/ValueVectorOf.hpp>

#include <xercesc/util/RefArrayVectorOf.hpp>

XERCES_CPP_NAMESPACE_BEGIN

// ---------------------------------------------------------------------------

//  Forward Declaration

// ---------------------------------------------------------------------------

class IC_Field;

class DatatypeValidator;

class VALIDATORS_EXPORT FieldValueMap : public XMemory

{

public:

    // -----------------------------------------------------------------------

    //  Constructors/Destructor

    // -----------------------------------------------------------------------

    FieldValueMap(MemoryManager* const manager = XMLPlatformUtils::fgMemoryManager);

    FieldValueMap(const FieldValueMap& other);

	~FieldValueMap();

	// -----------------------------------------------------------------------

    //  Getter methods

    // -----------------------------------------------------------------------

    DatatypeValidator* getDatatypeValidatorAt(const unsigned int index) const;

    DatatypeValidator* getDatatypeValidatorFor(const IC_Field* const key) const;

    XMLCh* getValueAt(const unsigned int index) const;

    XMLCh* getValueFor(const IC_Field* const key) const;

    IC_Field* keyAt(const unsigned int index) const;

	// -----------------------------------------------------------------------

    //  Setter methods

    // -----------------------------------------------------------------------

    void put(IC_Field* const key, DatatypeValidator* const dv,

             const XMLCh* const value);

	// -----------------------------------------------------------------------

    //  Helper methods

    // -----------------------------------------------------------------------

    unsigned int size() const;

    int indexOf(const IC_Field* const key) const;

private:

    // -----------------------------------------------------------------------

    //  Private helper methods

    // -----------------------------------------------------------------------

    void cleanUp();

    // -----------------------------------------------------------------------

    //  Unimplemented operators

    // -----------------------------------------------------------------------

    FieldValueMap& operator= (const FieldValueMap& other);

    // -----------------------------------------------------------------------

    //  Data

    // -----------------------------------------------------------------------

    ValueVectorOf<IC_Field*>*          fFields;

    ValueVectorOf<DatatypeValidator*>* fValidators;

    RefArrayVectorOf<XMLCh>*           fValues;

    MemoryManager*                     fMemoryManager;

};

// ---------------------------------------------------------------------------

//  FieldValueMap: Getter methods

// ---------------------------------------------------------------------------

inline DatatypeValidator*

FieldValueMap::getDatatypeValidatorAt(const unsigned int index) const {

    if (fValidators) {

        return fValidators->elementAt(index);

    }

    return 0;

}

inline DatatypeValidator*

FieldValueMap::getDatatypeValidatorFor(const IC_Field* const key) const {

    if (fValidators) {

        return fValidators->elementAt(indexOf(key));

    }

    return 0;

}

inline XMLCh* FieldValueMap::getValueAt(const unsigned int index) const {

    if (fValues) {

        return fValues->elementAt(index);

    }

    return 0;

}

inline XMLCh* FieldValueMap::getValueFor(const IC_Field* const key) const {

    if (fValues) {

        return fValues->elementAt(indexOf(key));

    }

    return 0;

}

inline IC_Field* FieldValueMap::keyAt(const unsigned int index) const {

    if (fFields) {

        return fFields->elementAt(index);

    }

    return 0;

}

// ---------------------------------------------------------------------------

//  FieldValueMap: Helper methods

// ---------------------------------------------------------------------------

inline unsigned int FieldValueMap::size() const {

    if (fFields) {

        return fFields->size();

    }

    return 0;

}

// ---------------------------------------------------------------------------

//  FieldValueMap: Setter methods

// ---------------------------------------------------------------------------

inline void FieldValueMap::put(IC_Field* const key,

                               DatatypeValidator* const dv,

                               const XMLCh* const value) {

    if (!fFields) {

        fFields = new (fMemoryManager) ValueVectorOf<IC_Field*>(4, fMemoryManager);

        fValidators = new (fMemoryManager) ValueVectorOf<DatatypeValidator*>(4, fMemoryManager);

        fValues = new (fMemoryManager) RefArrayVectorOf<XMLCh>(4, true, fMemoryManager);

    }

    int keyIndex = indexOf(key);

    if (keyIndex == -1) {

        fFields->addElement(key);

        fValidators->addElement(dv);

        fValues->addElement(XMLString::replicate(value, fMemoryManager));

    }

    else {

        fValidators->setElementAt(dv, keyIndex);

        fValues->setElementAt(XMLString::replicate(value, fMemoryManager), keyIndex);

    }

}

XERCES_CPP_NAMESPACE_END

#endif

/**

  * End of file FieldValueMap.hpp

  */