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Contents
// Copyright (c) 2021-2022 Dr. Colin Hirsch and Daniel Frey
// Please see LICENSE for license or visit https://github.com/taocpp/PEGTL/
#ifndef TAO_PEGTL_CONTRIB_CHECK_BYTES_HPP
#define TAO_PEGTL_CONTRIB_CHECK_BYTES_HPP
#include "../apply_mode.hpp"
#include "../config.hpp"
#include "../match.hpp"
#include "../nothing.hpp"
#include "../rewind_mode.hpp"
#if defined( __cpp_exceptions )
#include "../parse_error.hpp"
#else
#include <cstdio>
#include <exception>
#endif
namespace TAO_PEGTL_NAMESPACE
{
template< std::size_t Maximum >
struct check_bytes
: maybe_nothing
{
template< typename Rule,
pegtl::apply_mode A,
pegtl::rewind_mode M,
template< typename... >
class Action,
template< typename... >
class Control,
typename ParseInput,
typename... States >
static bool match( ParseInput& in, States&&... st )
{
const auto* start = in.current();
if( TAO_PEGTL_NAMESPACE::match< Rule, A, M, Action, Control >( in, st... ) ) {
if( std::size_t( in.current() - start ) > Maximum ) {
#if defined( __cpp_exceptions )
throw TAO_PEGTL_NAMESPACE::parse_error( "maximum allowed rule consumption exceeded", in );
#else
std::fputs( "maximum allowed rule consumption exceeded\n", stderr );
std::terminate();
#endif
}
return true;
}
return false;
}
};
} // namespace TAO_PEGTL_NAMESPACE
#endif
Version data entries
13 entries across 13 versions & 1 rubygems