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 #include "globaldefs.h"
29 #define _ISOC9X_SOURCE 1
30 #define _ISOC99_SOURCE 1
32 #define __USE_ISOC9X 1
33 #define __USE_ISOC99 1
41 // if C99 is unavailable, fall back to the types most likely to be the right sizes
42 #if !defined( int16_t )
43 typedef signed short int16_t;
45 #if !defined( uint16_t )
46 typedef unsigned short uint16_t;
48 #if !defined( int32_t )
49 typedef signed int int32_t;
51 #if !defined( uint32_t )
52 typedef unsigned int uint32_t;
58 template<typename InputStreamType, typename Type>
59 inline void istream_read_little_endian( InputStreamType& istream, Type& value ){
60 istream.read(reinterpret_cast<typename InputStreamType::byte_type *>( &value ), sizeof(Type));
61 if (GDEF_ARCH_ENDIAN_BIG) {
62 std::reverse(reinterpret_cast<typename InputStreamType::byte_type *>( &value ),
63 reinterpret_cast<typename InputStreamType::byte_type *>( &value ) + sizeof(Type));
67 template<typename InputStreamType, typename Type>
68 inline void istream_read_big_endian( InputStreamType& istream, Type& value ){
69 istream.read(reinterpret_cast<typename InputStreamType::byte_type *>( &value ), sizeof(Type));
70 if (!GDEF_ARCH_ENDIAN_BIG) {
71 std::reverse(reinterpret_cast<typename InputStreamType::byte_type *>( &value ),
72 reinterpret_cast<typename InputStreamType::byte_type *>( &value ) + sizeof(Type));
76 template<typename InputStreamType>
77 inline void istream_read_byte( InputStreamType& istream, typename InputStreamType::byte_type& b ){
78 istream.read( &b, 1 );
82 template<typename InputStreamType>
83 inline int16_t istream_read_int16_le( InputStreamType& istream ){
85 istream_read_little_endian( istream, value );
89 template<typename InputStreamType>
90 inline int16_t istream_read_int16_be( InputStreamType& istream ){
92 istream_read_big_endian( istream, value );
96 template<typename InputStreamType>
97 inline uint16_t istream_read_uint16_le( InputStreamType& istream ){
99 istream_read_little_endian( istream, value );
103 template<typename InputStreamType>
104 inline uint16_t istream_read_uint16_be( InputStreamType& istream ){
106 istream_read_big_endian( istream, value );
110 template<typename InputStreamType>
111 inline int32_t istream_read_int32_le( InputStreamType& istream ){
113 istream_read_little_endian( istream, value );
117 template<typename InputStreamType>
118 inline int32_t istream_read_int32_be( InputStreamType& istream ){
120 istream_read_big_endian( istream, value );
124 template<typename InputStreamType>
125 inline uint32_t istream_read_uint32_le( InputStreamType& istream ){
127 istream_read_little_endian( istream, value );
131 template<typename InputStreamType>
132 inline uint32_t istream_read_uint32_be( InputStreamType& istream ){
134 istream_read_big_endian( istream, value );
138 template<typename InputStreamType>
139 inline float istream_read_float32_le( InputStreamType& istream ){
141 istream_read_little_endian( istream, value );
145 template<typename InputStreamType>
146 inline float istream_read_float32_be( InputStreamType& istream ){
148 istream_read_big_endian( istream, value );
152 template<typename InputStreamType>
153 inline typename InputStreamType::byte_type istream_read_byte( InputStreamType& istream ){
154 typename InputStreamType::byte_type b;
155 istream.read( &b, sizeof( typename InputStreamType::byte_type ) );