2 Copyright (C) 2001-2006, William Joseph.
5 This file is part of GtkRadiant.
7 GtkRadiant is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 GtkRadiant is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GtkRadiant; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #if !defined( INCLUDED_BYTESTREAMUTILS_H )
23 #define INCLUDED_BYTESTREAMUTILS_H
25 #if defined( __GNUC__ )
27 #define _ISOC9X_SOURCE 1
28 #define _ISOC99_SOURCE 1
30 #define __USE_ISOC9X 1
31 #define __USE_ISOC99 1
39 // if C99 is unavailable, fall back to the types most likely to be the right sizes
40 #if !defined( int16_t )
41 typedef signed short int16_t;
43 #if !defined( uint16_t )
44 typedef unsigned short uint16_t;
46 #if !defined( int32_t )
47 typedef signed int int32_t;
49 #if !defined( uint32_t )
50 typedef unsigned int uint32_t;
56 template<typename InputStreamType, typename Type>
57 inline void istream_read_little_endian( InputStreamType& istream, Type& value ){
58 istream.read( reinterpret_cast<typename InputStreamType::byte_type*>( &value ), sizeof( Type ) );
59 #if defined( __BIG_ENDIAN__ )
60 std::reverse( reinterpret_cast<typename InputStreamType::byte_type*>( &value ), reinterpret_cast<typename InputStreamType::byte_type*>( &value ) + sizeof( Type ) );
64 template<typename InputStreamType, typename Type>
65 inline void istream_read_big_endian( InputStreamType& istream, Type& value ){
66 istream.read( reinterpret_cast<typename InputStreamType::byte_type*>( &value ), sizeof( Type ) );
67 #if !defined( __BIG_ENDIAN__ )
68 std::reverse( reinterpret_cast<typename InputStreamType::byte_type*>( &value ), reinterpret_cast<typename InputStreamType::byte_type*>( &value ) + sizeof( Type ) );
72 template<typename InputStreamType>
73 inline void istream_read_byte( InputStreamType& istream, typename InputStreamType::byte_type& b ){
74 istream.read( &b, 1 );
78 template<typename InputStreamType>
79 inline int16_t istream_read_int16_le( InputStreamType& istream ){
81 istream_read_little_endian( istream, value );
85 template<typename InputStreamType>
86 inline uint16_t istream_read_uint16_le( InputStreamType& istream ){
88 istream_read_little_endian( istream, value );
92 template<typename InputStreamType>
93 inline int32_t istream_read_int32_le( InputStreamType& istream ){
95 istream_read_little_endian( istream, value );
99 template<typename InputStreamType>
100 inline uint32_t istream_read_uint32_le( InputStreamType& istream ){
102 istream_read_little_endian( istream, value );
106 template<typename InputStreamType>
107 inline float istream_read_float32_le( InputStreamType& istream ){
109 istream_read_little_endian( istream, value );
113 template<typename InputStreamType>
114 inline typename InputStreamType::byte_type istream_read_byte( InputStreamType& istream ){
115 typename InputStreamType::byte_type b;
116 istream.read( &b, sizeof( typename InputStreamType::byte_type ) );