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92 lines
1.8 KiB
92 lines
1.8 KiB
#include "boost-compat/static_assert.h"
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#include "boost-compat/remove_cv.h"
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#ifdef HAVE_BOOST
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#include <boost/type_traits/is_same.hpp>
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#endif
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namespace byte_io {
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template <typename T>
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inline T no_const( const volatile T v ) {
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return v;
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}
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template<typename T>
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inline
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void write( unsigned char* out, const volatile T d ) {
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write( out, no_const( d ) );
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}
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template <typename T>
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inline
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T read( const unsigned char* out ) {
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//BOOST_STATIC_ASSERT( !( ::boost::is_same<T,typename ::boost::remove_cv<T>::type>::value ) );
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return read<typename ::boost::remove_cv<T>::type>( out );
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}
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template<>
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inline
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void write<uint8_t>( unsigned char* out, uint8_t d ) {
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*out = d;
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}
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template<>
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inline
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uint8_t read<uint8_t>( const unsigned char* in ) {
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return *in;
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}
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template<>
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struct byte_length_struct<uint8_t> {
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static const int value = 1;
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};
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template<>
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inline
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void write<uint16_t>( unsigned char* out, uint16_t d ) {
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*out++ = ( ( d >> 0 ) & 0xff );
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*out++ = ( ( d >> 8 ) & 0xff );
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}
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template<>
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inline
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uint16_t read<uint16_t>( const unsigned char* in ) {
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uint16_t res = 0;
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res |= ( ( *in++ & 0xff ) << 0 );
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res |= ( ( *in++ & 0xff ) << 8 );
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return res;
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}
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template<>
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struct byte_length_struct<uint16_t> {
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static const int value = 2;
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};
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template<>
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inline
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void write<uint32_t>( unsigned char* out, uint32_t d ) {
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*out++ = ( ( d >> 0 ) & 0xff );
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*out++ = ( ( d >> 8 ) & 0xff );
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*out++ = ( ( d >> 16 ) & 0xff );
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*out++ = ( ( d >> 24 ) & 0xff );
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}
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template<>
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inline
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uint32_t read<uint32_t>( const unsigned char* in ) {
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uint32_t res = 0;
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res |= ( ( *in++ & 0xff ) << 0 );
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res |= ( ( *in++ & 0xff ) << 8 );
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res |= ( ( *in++ & 0xff ) << 16 );
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res |= ( ( *in++ & 0xff ) << 24 );
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return res;
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}
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template<>
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struct byte_length_struct<uint32_t> {
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static const int value = 4;
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};
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}
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