/*

 * 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: RefArrayOf.c 568078 2007-08-21 11:43:25Z amassari $

 */

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

//  Includes

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

#if defined(XERCES_TMPLSINC)

#include <xercesc/util/RefArrayOf.hpp>

#endif

XERCES_CPP_NAMESPACE_BEGIN

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

//  RefArrayOf: Contructors and Destructor

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

template <class TElem>

RefArrayOf<TElem>::RefArrayOf(const unsigned int size,

                              MemoryManager* const manager) :

    fSize(size)

    , fArray(0)

    , fMemoryManager(manager)

{

    fArray = (TElem**) fMemoryManager->allocate(fSize * sizeof(TElem*));//new TElem*[fSize];

    for (unsigned int index = 0; index < fSize; index++)

        fArray[index] = 0;

}

template <class TElem>

RefArrayOf<TElem>::RefArrayOf(TElem* values[],

                              const unsigned int size,

                              MemoryManager* const manager) :

    fSize(size)

    , fArray(0)

    , fMemoryManager(manager)

{

    fArray = (TElem**) fMemoryManager->allocate(fSize * sizeof(TElem*));//new TElem*[fSize];

    for (unsigned int index = 0; index < fSize; index++)

        fArray[index] = values[index];

}

template <class TElem> RefArrayOf<TElem>::

RefArrayOf(const RefArrayOf<TElem>& source) :

    fSize(source.fSize)

    , fArray(0)

    , fMemoryManager(source.fMemoryManager)

{

    fArray = (TElem**) fMemoryManager->allocate(fSize * sizeof(TElem*));//new TElem*[fSize];

    for (unsigned int index = 0; index < fSize; index++)

        fArray[index] = source.fArray[index];

}

template <class TElem> RefArrayOf<TElem>::~RefArrayOf()

{

    fMemoryManager->deallocate(fArray);//delete [] fArray;

}

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

//  RefArrayOf: Public operators

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

template <class TElem> TElem*& RefArrayOf<TElem>::

operator[](const unsigned int index)

{

    if (index >= fSize)

        ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Array_BadIndex, fMemoryManager);

    return fArray[index];

}

template <class TElem> const TElem* RefArrayOf<TElem>::

operator[](const unsigned int index) const

{

    if (index >= fSize)

        ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Array_BadIndex, fMemoryManager);

    return fArray[index];

}

template <class TElem> RefArrayOf<TElem>& RefArrayOf<TElem>::

operator=(const RefArrayOf<TElem>& toAssign)

{

    if (this == &toAssign)

        return *this;

    // Reallocate if not the same size

    if (toAssign.fSize != fSize)

    {

        fMemoryManager->deallocate(fArray);//delete [] fArray;

        fSize = toAssign.fSize;

        fArray = (TElem**) fMemoryManager->allocate(fSize * sizeof(TElem*));//new TElem*[fSize];

    }

    // Copy over the source elements

    for (unsigned int index = 0; index < fSize; index++)

        fArray[index] = toAssign.fArray[index];

    return *this;

}

template <class TElem> bool RefArrayOf<TElem>::

operator==(const RefArrayOf<TElem>& toCompare) const

{

    if (this == &toCompare)

        return true;

    if (fSize != toCompare.fSize)

        return false;

    for (unsigned int index = 0; index < fSize; index++)

    {

        if (fArray[index] != toCompare.fArray[index])

            return false;

    }

    return true;

}

template <class TElem> bool RefArrayOf<TElem>::

operator!=(const RefArrayOf<TElem>& toCompare) const

{

    return !operator==(toCompare);

}

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

//  RefArrayOf: Copy operations

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

template <class TElem> unsigned int RefArrayOf<TElem>::

copyFrom(const RefArrayOf<TElem>& srcArray)

{

    //

    //  Copy over as many of the source elements as will fit into

    //  this array.

    //

    const unsigned int count = fSize < srcArray.fSize ?

                                    fSize : srcArray.fSize;

    for (unsigned int index = 0; index < fSize; index++)

        fArray[index] = srcArray.fArray[index];

    return count;

}

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

//  RefArrayOf: Getter methods

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

template <class TElem> unsigned int RefArrayOf<TElem>::length() const

{

    return fSize;

}

template <class TElem> TElem** RefArrayOf<TElem>::rawData() const

{

    return fArray;

}

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

//  RefArrayOf: Element management methods

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

template <class TElem> void RefArrayOf<TElem>::deleteAt(const unsigned int index)

{

    if (index >= fSize)

        ThrowXMLwithMemMgr(ArrayIndexOutOfBoundsException, XMLExcepts::Array_BadIndex, fMemoryManager);

    delete fArray[index];

    fArray[index] = 0;

}

template <class TElem> void RefArrayOf<TElem>::deleteAllElements()

{

    for (unsigned int index = 0; index < fSize; index++)

    {

        delete fArray[index];

        fArray[index] = 0;

    }

}

template <class TElem> void RefArrayOf<TElem>::resize(const unsigned int newSize)

{

    if (newSize == fSize)

        return;

    if (newSize < fSize)

        ThrowXMLwithMemMgr(IllegalArgumentException, XMLExcepts::Array_BadNewSize, fMemoryManager);

    // Allocate the new array

    TElem** newArray = (TElem**) fMemoryManager->allocate

    (

        newSize * sizeof(TElem*)

    );//new TElem*[newSize];

    // Copy the existing values

    unsigned int index = 0;

    for (; index < fSize; index++)

        newArray[index] = fArray[index];

    for (; index < newSize; index++)

        newArray[index] = 0;

    // Delete the old array and udpate our members

    fMemoryManager->deallocate(fArray);//delete [] fArray;

    fArray = newArray;

    fSize = newSize;

}

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

//  RefArrayEnumerator: Constructors and Destructor

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

template <class TElem> RefArrayEnumerator<TElem>::

RefArrayEnumerator(         RefArrayOf<TElem>* const    toEnum

                    , const bool                        adopt) :

    fAdopted(adopt)

    , fCurIndex(0)

    , fToEnum(toEnum)

{

}

template <class TElem> RefArrayEnumerator<TElem>::~RefArrayEnumerator()

{

    if (fAdopted)

        delete fToEnum;

}

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

//  RefArrayEnumerator: Enum interface

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

template <class TElem> bool RefArrayEnumerator<TElem>::hasMoreElements() const

{

    if (fCurIndex >= fToEnum->length())

        return false;

    return true;

}

template <class TElem> TElem& RefArrayEnumerator<TElem>::nextElement()

{

    return *(*fToEnum)[fCurIndex++];

}

template <class TElem> void RefArrayEnumerator<TElem>::Reset()

{

    fCurIndex = 0;

}

XERCES_CPP_NAMESPACE_END