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/*
Copyright (C) 2001-2006, William Joseph.
All Rights Reserved.
This file is part of GtkRadiant.
GtkRadiant is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
GtkRadiant is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GtkRadiant; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#if !defined(INCLUDED_BYTESTREAMUTILS_H)
#define INCLUDED_BYTESTREAMUTILS_H
#include <algorithm>
#if defined(_MSC_VER)
typedef signed short int16_t;
typedef unsigned short uint16_t;
typedef signed int int32_t;
typedef unsigned int uint32_t;
#else
#define _ISOC9X_SOURCE 1
#define _ISOC99_SOURCE 1
#define __USE_ISOC9X 1
#define __USE_ISOC99 1
#include <stdint.h>
#endif
template<typename InputStreamType, typename Type>
inline void istream_read_little_endian(InputStreamType& istream, Type& value)
{
istream.read(reinterpret_cast<typename InputStreamType::byte_type*>(&value), sizeof(Type));
#if defined(__BIG_ENDIAN__)
std::reverse(reinterpret_cast<typename InputStreamType::byte_type*>(&value), reinterpret_cast<typename InputStreamType::byte_type*>(&value) + sizeof(Type));
#endif
}
template<typename InputStreamType, typename Type>
inline void istream_read_big_endian(InputStreamType& istream, Type& value)
{
istream.read(reinterpret_cast<typename InputStreamType::byte_type*>(&value), sizeof(Type));
#if !defined(__BIG_ENDIAN__)
std::reverse(reinterpret_cast<typename InputStreamType::byte_type*>(&value), reinterpret_cast<typename InputStreamType::byte_type*>(&value) + sizeof(Type));
#endif
}
template<typename InputStreamType>
inline void istream_read_byte(InputStreamType& istream, typename InputStreamType::byte_type& b)
{
istream.read(&b, 1);
}
template<typename InputStreamType>
inline int16_t istream_read_int16_le(InputStreamType& istream)
{
int16_t value;
istream_read_little_endian(istream, value);
return value;
}
template<typename InputStreamType>
inline uint16_t istream_read_uint16_le(InputStreamType& istream)
{
uint16_t value;
istream_read_little_endian(istream, value);
return value;
}
template<typename InputStreamType>
inline int32_t istream_read_int32_le(InputStreamType& istream)
{
int32_t value;
istream_read_little_endian(istream, value);
return value;
}
template<typename InputStreamType>
inline uint32_t istream_read_uint32_le(InputStreamType& istream)
{
uint32_t value;
istream_read_little_endian(istream, value);
return value;
}
template<typename InputStreamType>
inline float istream_read_float32_le(InputStreamType& istream)
{
float value;
istream_read_little_endian(istream, value);
return value;
}
template<typename InputStreamType>
inline typename InputStreamType::byte_type istream_read_byte(InputStreamType& istream)
{
typename InputStreamType::byte_type b;
istream.read(&b, sizeof(typename InputStreamType::byte_type));
return b;
}
#endif