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Contents
// Copyright (c) 2017-2022 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_PEGTL_CONTRIB_INTERNAL_ENDIAN_HPP
#define TAO_PEGTL_CONTRIB_INTERNAL_ENDIAN_HPP
#include <cstdint>
#include <cstring>
#include "../../config.hpp"
#if defined( _WIN32 ) && !defined( __MINGW32__ ) && !defined( __CYGWIN__ )
#include "endian_win.hpp"
#else
#include "endian_gcc.hpp"
#endif
namespace TAO_PEGTL_NAMESPACE::internal
{
enum class endian
{
#if defined( _WIN32 )
little = 0,
big = 1,
native = little
#elif defined( __BYTE_ORDER__ )
little = __ORDER_LITTLE_ENDIAN__,
big = __ORDER_BIG_ENDIAN__,
native = __BYTE_ORDER__
#else
#error Unknown endianness.
#endif
};
template< typename N >
[[nodiscard]] N h_to_be( const N n ) noexcept
{
return N( to_and_from_be< sizeof( N ) >::convert( n ) );
}
template< typename N >
[[nodiscard]] N be_to_h( const N n ) noexcept
{
return h_to_be( n );
}
template< typename N >
[[nodiscard]] N be_to_h( const void* p ) noexcept
{
N n;
std::memcpy( &n, p, sizeof( n ) );
return internal::be_to_h( n );
}
template< typename N >
[[nodiscard]] N h_to_le( const N n ) noexcept
{
return N( to_and_from_le< sizeof( N ) >::convert( n ) );
}
template< typename N >
[[nodiscard]] N le_to_h( const N n ) noexcept
{
return h_to_le( n );
}
template< typename N >
[[nodiscard]] N le_to_h( const void* p ) noexcept
{
N n;
std::memcpy( &n, p, sizeof( n ) );
return internal::le_to_h( n );
}
} // namespace TAO_PEGTL_NAMESPACE::internal
#endif
Version data entries
13 entries across 13 versions & 1 rubygems