//
// Copyright (c) Microsoft. All rights reserved.
// Licensed under the MIT license. See LICENSE.md file in the project root for full license information.
//
// Exports.cpp : Defines the exported functions for the DLL application.
//

#include "stdafx.h"
#define DATAREADER_EXPORTS
#define DATAWRITER_EXPORTS
#include "LUSequenceReader.h"
#include "LUSequenceWriter.h"

#ifdef _MSC_VER
#include <codecvt>
#endif

namespace Microsoft { namespace MSR { namespace CNTK {

void EnableUTF8Support() 
{
    // TODO: codecvt should be supported in the latest gcc,
    // remove the #ifdef when we move to 5.3.
#ifdef _MSC_VER
    locale::global(locale(locale::empty(), new codecvt_utf8<wchar_t>));
#else
    try 
    {
        locale::global(locale("C.UTF-8")); 
    }
    catch(...) 
    {
        fprintf(stderr, "WARNING: \"C.UTF-8\" is not available, reverting to the default user-preferred locale.\n");
        locale::global(locale("")); 
    }
    
#endif
}

extern "C" DATAREADER_API void GetReaderF(IDataReader** preader)
{
    EnableUTF8Support();
    *preader = new MultiIOBatchLUSequenceReader<float>();
}
extern "C" DATAREADER_API void GetReaderD(IDataReader** preader)
{
    EnableUTF8Support();
    *preader = new MultiIOBatchLUSequenceReader<double>();
}

extern "C" DATAWRITER_API void GetWriterF(IDataWriter** pwriter)
{
    *pwriter = new LUSequenceWriter<float>();
}
extern "C" DATAWRITER_API void GetWriterD(IDataWriter** pwriter)
{
    *pwriter = new LUSequenceWriter<double>();
}

}}}