/*
 * 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 <cstring>
#include <iostream>
#include <strstream>
#include <fstream>


#include <xercesc/util/PlatformUtils.hpp>


#include <xalanc/XalanTransformer/XalanTransformer.hpp>


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

    using std::strlen;

    int theResult = -1;

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

            using xalanc::XalanTransformer;


            // Call the static initializer for Xerces.
            XMLPlatformUtils::Initialize();

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

            {
                // Create a XalanTransformer.
                XalanTransformer theXalanTransformer;

                // A simple input document...
#if defined(XALAN_NON_ASCII_PLATFORM)
                const char* const  theInputDocument = "<?xml version='1.0' encoding='EBCDIC-CP-US' ?><doc>Hello world!</doc>";
#else
                const char* const  theInputDocument = "<?xml version='1.0' encoding='ISO-8859-1' ?><doc>Hello world!</doc>";
#endif

                // A "hello world" stylesheet.  Note that the encoding for the output is platform-dependent,
                // since we're writing to a string.  It could be any encoding, but "binary" encodings,
                // or encodings that could produce multi-byte characters would require transcoding on
                // some platforms.
                const char* const  theStylesheet =
#if defined(XALAN_NON_ASCII_PLATFORM)
"<?xml version='1.0' encoding='EBCDIC-CP-US'?>\
<xsl:stylesheet xmlns:xsl='http://www.w3.org/1999/XSL/Transform' version='1.0'>\
<xsl:output encoding='EBCDIC-CP-US'/>\
<xsl:template match='doc'>\
<out><xsl:value-of select='.'/></out>\
</xsl:template>\
</xsl:stylesheet>";
#else
"<?xml version='1.0'?>\
<xsl:stylesheet xmlns:xsl='http://www.w3.org/1999/XSL/Transform' version='1.0'>\
<xsl:output encoding='US-ASCII'/>\
<xsl:template match='doc'>\
<out><xsl:value-of select='.'/></out>\
</xsl:template>\
</xsl:stylesheet>";
#endif

                // Our input streams...
                istrstream  theXMLStream(theInputDocument, strlen(theInputDocument));
                istrstream  theXSLStream(theStylesheet, strlen(theStylesheet));

                using xalanc::XalanDOMString;
                using xalanc::XSLTInputSource;

                XSLTInputSource     inputSource(&theXSLStream);

                inputSource.setSystemId(XalanDOMString("foo").c_str());

                // Do the transform.
                theResult = theXalanTransformer.transform(&theXMLStream, inputSource, cout);

                if(theResult != 0)
                {
                    cerr << "StreamTransform 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;
}