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Versions: 13
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Stored size: 1.61 KB
Contents
// Copyright (c) 2018-2022 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_PEGTL_CONTRIB_INTERNAL_PEEK_MASK_UINT_HPP
#define TAO_PEGTL_CONTRIB_INTERNAL_PEEK_MASK_UINT_HPP
#include <cstddef>
#include <cstdint>
#include "../../config.hpp"
#include "../../internal/input_pair.hpp"
#include "read_uint.hpp"
namespace TAO_PEGTL_NAMESPACE::internal
{
template< typename R, typename R::type M >
struct peek_mask_uint_impl
{
using data_t = typename R::type;
using pair_t = input_pair< data_t >;
template< typename ParseInput >
[[nodiscard]] static pair_t peek( ParseInput& in ) noexcept( noexcept( in.size( sizeof( data_t ) ) ) )
{
if( in.size( sizeof( data_t ) ) < sizeof( data_t ) ) {
return { 0, 0 };
}
const data_t data = R::read( in.current() ) & M;
return { data, sizeof( data_t ) };
}
};
template< std::uint16_t M >
using peek_mask_uint16_be = peek_mask_uint_impl< read_uint16_be, M >;
template< std::uint16_t M >
using peek_mask_uint16_le = peek_mask_uint_impl< read_uint16_le, M >;
template< std::uint32_t M >
using peek_mask_uint32_be = peek_mask_uint_impl< read_uint32_be, M >;
template< std::uint32_t M >
using peek_mask_uint32_le = peek_mask_uint_impl< read_uint32_le, M >;
template< std::uint64_t M >
using peek_mask_uint64_be = peek_mask_uint_impl< read_uint64_be, M >;
template< std::uint64_t M >
using peek_mask_uint64_le = peek_mask_uint_impl< read_uint64_le, M >;
} // namespace TAO_PEGTL_NAMESPACE::internal
#endif
Version data entries
13 entries across 13 versions & 1 rubygems