/*
 * 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.
 */
// Class header file.
#include "XPathFactoryDefault.hpp"


#include <algorithm>


#include "XPath.hpp"


XALAN_CPP_NAMESPACE_BEGIN


XPathFactoryDefault::XPathFactoryDefault(MemoryManager&     theManager) :
    XPathFactory(),
    m_xpaths(theManager)
{
}


XPathFactoryDefault*
XPathFactoryDefault::create(MemoryManager&  theManager)
{
    typedef XPathFactoryDefault     ThisType;

    XalanAllocationGuard    theGuard(theManager, theManager.allocate(sizeof(ThisType)));

    ThisType* const     theResult =
        new (theGuard.get()) ThisType(theManager);

    theGuard.release();

    return theResult;
}


XPathFactoryDefault::~XPathFactoryDefault()
{
    reset();
}


void
XPathFactoryDefault::reset()
{
    XALAN_USING_STD(for_each)

    for_each(m_xpaths.begin(),
             m_xpaths.end(),
             DeleteXPathFunctor(*this, true));

    m_xpaths.clear();
}


bool
XPathFactoryDefault::doReturnObject(
            const XPath*    theXPath,
            bool            fInReset)
{
    const CollectionType::size_type     theCount =
        fInReset == true ? m_xpaths.count(theXPath) : m_xpaths.erase(theXPath);

    if (theCount == 0)
    {
        return false;
    }
    else
    {
        XalanDestroy(
            m_xpaths.getMemoryManager(),
            const_cast<XPath*>(theXPath));

        return true;
    }
}


XPath*
XPathFactoryDefault::create()
{
    XPath* const    theXPath = XPath::create(m_xpaths.getMemoryManager());

    m_xpaths.insert(theXPath);

    return theXPath;
}


XALAN_CPP_NAMESPACE_END