/*
 * 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 <cassert>

#include <iostream>



#if !defined(NDEBUG) && defined(_MSC_VER)
#include <crtdbg.h>
#endif



#include <xercesc/dom/DOMDocument.hpp>
#include <xercesc/dom/DOMImplementation.hpp>
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/framework/LocalFileInputSource.hpp>



#include <xalanc/Include/XalanAutoPtr.hpp>



#include <xalanc/XalanDOM/XalanDocument.hpp>
#include <xalanc/XalanDOM/XalanElement.hpp>



#include <xalanc/PlatformSupport/XalanOutputStreamPrintWriter.hpp>
#include <xalanc/PlatformSupport/XalanStdOutputStream.hpp>



#include <xalanc/XMLSupport/FormatterToXML.hpp>



#include <xalanc/XercesParserLiaison/FormatterToXercesDOM.hpp>
#include <xalanc/XercesParserLiaison/XercesDOMFormatterWalker.hpp>



#include <xalanc/XalanTransformer/XalanTransformer.hpp>



using std::cerr;
using std::cout;
using std::endl;

using xercesc::DOMDocument;

using xalanc::XalanCompiledStylesheet;
using xalanc::XalanParsedSource;
using xalanc::XalanTransformer;



void
serialize(const DOMDocument&    theDocument)
{
    using xalanc::XalanStdOutputStream;
    using xalanc::XalanOutputStreamPrintWriter;
    using xalanc::FormatterToXML;
    using xalanc::XercesDOMFormatterWalker;

    // Create an output stream and a PrintWriter for the
    // output
    XalanStdOutputStream            theStream(cout);
    XalanOutputStreamPrintWriter    thePrintWriter(theStream);

    // We're going to serialize XML...
    FormatterToXML  theFormatter(thePrintWriter);

    // Do pretty-printing...
    theFormatter.setDoIndent(true);

    theFormatter.setIndent(2);

    XercesDOMFormatterWalker    theWalker(theFormatter);

    // This will walk the document and send
    // events to the FormatterToXML.
    theWalker.traverse(&theDocument);
}



int
transformAndSerialize(
            XalanTransformer&               theTransformer,
            const XalanParsedSource&        theParsedSource,
            const XalanCompiledStylesheet&  theStylesheet)
{
    using xercesc::DOMDocument;
    using xercesc::DOMImplementation;
    using xalanc::FormatterToXercesDOM;
    using xalanc::XalanAutoPtr;

    // This is the document which we'll build...
    const XalanAutoPtr<DOMDocument>     theDocument(DOMImplementation::getImplementation()->createDocument());
    assert(theDocument.get() != 0);

    // This is a class derived from FormatterListener, which
    // we'll hook up to Xalan's output stage...
    FormatterToXercesDOM    theFormatter(theDocument.get(), 0);

    // Do the transformation...
    int     theResult =
        theTransformer.transform(
            theParsedSource,
            &theStylesheet,
            theFormatter);

    if (theResult != 0)
    {
        cerr << "Error transforming: "
             << theTransformer.getLastError()
             << endl;
    }
    else
    {
        serialize(*theDocument.get());
    }

    return theResult;
}



int
main(
            int     argc,
            char*   argv[])
{
#if !defined(NDEBUG) && defined(_MSC_VER)
    _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_LEAK_CHECK_DF);

    _CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
    _CrtSetReportFile(_CRT_WARN, _CRTDBG_FILE_STDERR);
#endif

    int     theResult = 0;

    if (argc != 3)
    {
        cerr << "Usage: TransformToXercesDOM XMLFilePath XSLFilePath" << endl;

        theResult = -1;
    }
    else
    {
        try
        {
            using xercesc::XMLPlatformUtils;

            XMLPlatformUtils::Initialize();

            XalanTransformer::initialize();

            {

                XalanTransformer    theTransformer;

                const XalanParsedSource*    theParsedSource = 0;

                theResult = theTransformer.parseSource(argv[1], theParsedSource);

                if (theResult != 0)
                {
                    cerr << "Error parsing source document: "
                         << theTransformer.getLastError()
                         << endl;
                }
                else
                {
                    assert(theParsedSource != 0);

                    const XalanCompiledStylesheet*  theCompiledStylesheet = 0;

                    theResult = theTransformer.compileStylesheet(argv[2], theCompiledStylesheet);

                    if (theResult != 0)
                    {
                        cerr << "Error compiling stylesheet: "
                             << theTransformer.getLastError()
                             << endl;
                    }
                    else
                    {
                        theResult =
                            transformAndSerialize(theTransformer, *theParsedSource, *theCompiledStylesheet);
                    }
                }
            }

            XalanTransformer::terminate();

            XMLPlatformUtils::Terminate();
        }
        catch(...)
        {
            cerr << "Exception caught!" << endl;

            theResult = -1;
        }
    }

    return theResult;
}