/*
 * 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.
 */

#include <xalanc/Include/PlatformDefinitions.hpp>


#include <iostream>


#include <xercesc/util/PlatformUtils.hpp>


#include <xalanc/XalanTransformer/XalanTransformer.hpp>


#include "XalanMemoryManagerImpl.hpp"


/**
 *  Example of the ICU's customizable memory management which can
 *  be used conjunction with Xalan's pluggable memory management feature.
 */
#if defined(XALAN_USE_ICU)

#include "unicode/uclean.h"

static XalanMemoryManagerImpl  s_memoryManager;

void*
icu_malloc(const void * /* context */, size_t size)
{
    return s_memoryManager.allocate(size);
}

void*
icu_realloc(const void * /* context */, void * mem, size_t size)
{
    s_memoryManager.deallocate(mem);
    return s_memoryManager.allocate(size);
}

void icu_free(const void * /* context */, void * mem)
{
    s_memoryManager.deallocate(mem);
}

#endif


int
main(
            int     argc,
            char*   /* argv */[])
{
    using std::cerr;
    using std::endl;

    int theResult = -1;

    if (argc != 1)
    {
        cerr << "Usage: SimpleTransform"
             << endl
             << endl;
    }
    else
    {
        try
        {
            using xercesc::XMLPlatformUtils;
            
            using xercesc::XMLUni;

            using xalanc::XalanTransformer;

            XalanMemoryManagerImpl memoryManager;

#ifdef XALAN_USE_ICU
            UErrorCode status = U_ZERO_ERROR;

            u_setMemoryFunctions(0, icu_malloc, icu_realloc, icu_free, &status);

            if(U_FAILURE(status))
            {
                    cerr << "Initialization of ICU failed! " 
                         << endl
                         << endl;

                    return -1;
            }
#endif 

            // Call the static initializer for Xerces.
            XMLPlatformUtils::Initialize( 
                                    XMLUni::fgXercescDefaultLocale,
                                    0,
                                    0,

                                    &memoryManager );

            // Initialize Xalan.
            XalanTransformer::initialize( memoryManager );

            {
                // Create a XalanTransformer.
                XalanTransformer theXalanTransformer( memoryManager );

                // The assumption is that the executable will be run
                // from same directory as the input files.
                theResult = theXalanTransformer.transform("foo.xml", "foo.xsl", "foo.out");

                if(theResult != 0)
                {
                    cerr << "SimpleTransform Error: \n" << theXalanTransformer.getLastError()
                         << endl
                         << endl;
                }
            }

            // Terminate Xalan...
            XalanTransformer::terminate();

            // Terminate Xerces...
            XMLPlatformUtils::Terminate();

            // Clean up the ICU, if it's integrated...
            XalanTransformer::ICUCleanUp();
        }
        catch(...)
        {
            cerr << "Initialization failed!" << endl;
        }
    }

    return theResult;
}