blpapi_streamproxy.h

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/* Copyright 2012. Bloomberg Finance L.P.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to
 * deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 * sell copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:  The above
 * copyright notice and this permission notice shall be included in all copies
 * or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
 * IN THE SOFTWARE.
 */

#ifndef INCLUDED_BLPAPI_STREAMPROXY
#define INCLUDED_BLPAPI_STREAMPROXY

typedef int (*blpapi_StreamWriter_t)(
        const char *data, int length, void *stream);

#ifdef __cplusplus

#include <cassert>
#include <ostream>

namespace BloombergLP {
namespace blpapi {

inline int OstreamWriter(const char *data, int length, void *stream);
struct StreamProxyOstream {

    static int writeToStream(const char *data, int length, void *stream);
};

//=============================================================================
//                           INLINE FUNCTION DEFINITIONS
//=============================================================================

inline int StreamProxyOstream::writeToStream(
        const char *data, int length, void *stream)
{
    assert(stream);

    reinterpret_cast<std::ostream *>(stream)->write(data, length);
    return 0;
}

inline int OstreamWriter(const char *data, int length, void *stream)
{
    return StreamProxyOstream::writeToStream(data, length, stream);
}

} // close namespace blpapi
} // close namespace BloombergLP

#endif // #ifdef __cplusplus
#endif // #ifndef INCLUDED_BLPAPI_STREAMPROXY