ecency-mobile/ios/Pods/boost-for-react-native/boost/metaparse/v1/string.hpp

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9.4 KiB
C++

#ifndef BOOST_METAPARSE_V1_STRING_HPP
#define BOOST_METAPARSE_V1_STRING_HPP
// Copyright Abel Sinkovics (abel@sinkovics.hu) 2012.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#include <boost/metaparse/config.hpp>
#include <boost/metaparse/v1/fwd/string.hpp>
#include <boost/metaparse/v1/string_tag.hpp>
#include <boost/metaparse/v1/impl/string_iterator.hpp>
#include <boost/metaparse/v1/impl/empty_string.hpp>
#include <boost/metaparse/v1/impl/size.hpp>
#include <boost/metaparse/v1/impl/pop_front.hpp>
#include <boost/metaparse/v1/impl/push_front_c.hpp>
#include <boost/metaparse/v1/impl/push_back_c.hpp>
#include <boost/metaparse/v1/impl/pop_back.hpp>
#include <boost/metaparse/v1/impl/assert_string_length.hpp>
#include <boost/metaparse/v1/impl/string_at.hpp>
#include <boost/preprocessor/arithmetic/sub.hpp>
#include <boost/preprocessor/punctuation/comma_if.hpp>
#include <boost/preprocessor/repetition/enum.hpp>
#include <boost/preprocessor/repetition/enum_params.hpp>
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
#include <boost/preprocessor/tuple/eat.hpp>
#include <boost/type_traits/is_same.hpp>
/*
* The string type
*/
namespace boost
{
namespace metaparse
{
namespace v1
{
#ifdef BOOST_METAPARSE_VARIADIC_STRING
template <char... Cs>
struct string
{
typedef string type;
typedef string_tag tag;
};
#else
template <BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, int C)>
struct string
{
typedef string type;
typedef string_tag tag;
};
#endif
}
}
}
/*
* Boost.MPL overloads
*/
namespace boost
{
namespace mpl
{
// push_back
template <class S>
struct push_back_impl;
template <>
struct push_back_impl<boost::metaparse::v1::string_tag>
{
typedef push_back_impl type;
template <class S, class C>
struct apply :
boost::metaparse::v1::impl::push_back_c<
typename S::type,
C::type::value
>
{};
};
// pop_back
template <class S>
struct pop_back_impl;
template <>
struct pop_back_impl<boost::metaparse::v1::string_tag>
{
typedef pop_back_impl type;
template <class S>
struct apply : boost::metaparse::v1::impl::pop_back<S> {};
};
// push_front
template <class S>
struct push_front_impl;
template <>
struct push_front_impl<boost::metaparse::v1::string_tag>
{
typedef push_front_impl type;
template <class S, class C>
struct apply :
boost::metaparse::v1::impl::push_front_c<
typename S::type,
C::type::value
>
{};
};
// pop_front
template <class S>
struct pop_front_impl;
template <>
struct pop_front_impl<boost::metaparse::v1::string_tag>
{
typedef pop_front_impl type;
template <class S>
struct apply : boost::metaparse::v1::impl::pop_front<S> {};
};
// clear
template <class S>
struct clear_impl;
template <>
struct clear_impl<boost::metaparse::v1::string_tag>
{
typedef clear_impl type;
template <class S>
struct apply : boost::metaparse::v1::string<> {};
};
// begin
template <class S>
struct begin_impl;
template <>
struct begin_impl<boost::metaparse::v1::string_tag>
{
typedef begin_impl type;
template <class S>
struct apply :
boost::metaparse::v1::impl::string_iterator<typename S::type, 0>
{};
};
// end
template <class S>
struct end_impl;
template <>
struct end_impl<boost::metaparse::v1::string_tag>
{
typedef end_impl type;
template <class S>
struct apply :
boost::metaparse::v1::impl::string_iterator<
typename S::type,
boost::metaparse::v1::impl::size<typename S::type>::type::value
>
{};
};
// equal_to
template <class A, class B>
struct equal_to_impl;
template <>
struct equal_to_impl<
boost::metaparse::v1::string_tag,
boost::metaparse::v1::string_tag
>
{
typedef equal_to_impl type;
template <class A, class B>
struct apply : boost::is_same<typename A::type, typename B::type> {};
};
template <class T>
struct equal_to_impl<boost::metaparse::v1::string_tag, T>
{
typedef equal_to_impl type;
template <class, class>
struct apply : false_ {};
};
template <class T>
struct equal_to_impl<T, boost::metaparse::v1::string_tag> :
equal_to_impl<boost::metaparse::v1::string_tag, T>
{};
// c_str
template <class S>
struct c_str;
#ifdef BOOST_METAPARSE_VARIADIC_STRING
template <char... Cs>
struct c_str<boost::metaparse::v1::string<Cs...>>
{
typedef c_str type;
#ifdef BOOST_NO_CONSTEXPR_C_STR
static const char value[sizeof...(Cs) + 1];
#else
static constexpr char value[sizeof...(Cs) + 1] = {Cs..., 0};
#endif
};
template <>
struct c_str<boost::metaparse::v1::string<>> :
boost::metaparse::v1::impl::empty_string<>
{};
#ifdef BOOST_NO_CONSTEXPR_C_STR
template <char... Cs>
const char c_str<boost::metaparse::v1::string<Cs...>>::value[]
= {Cs..., 0};
#else
template <char... Cs>
constexpr char c_str<boost::metaparse::v1::string<Cs...>>::value[];
#endif
#else
template <BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, int C)>
struct c_str<
boost::metaparse::v1::string<
BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, C)
>
>
{
typedef c_str type;
static BOOST_CONSTEXPR const char
value[BOOST_METAPARSE_LIMIT_STRING_SIZE + 1]
#if !defined BOOST_NO_CONSTEXPR && !defined BOOST_NO_CXX11_CONSTEXPR
= {BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, C), 0}
#endif
;
};
template <BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, int C)>
BOOST_CONSTEXPR const char
c_str<
boost::metaparse::v1::string<
BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, C)
>
>::value[BOOST_METAPARSE_LIMIT_STRING_SIZE + 1]
#if defined BOOST_NO_CONSTEXPR || defined BOOST_NO_CXX11_CONSTEXPR
= {BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, C), 0}
#endif
;
template <>
struct c_str<boost::metaparse::v1::string<> > :
boost::metaparse::v1::impl::empty_string<>
{
typedef c_str type;
};
#ifdef BOOST_METAPARSE_DEF
# error BOOST_METAPARSE_DEF already defined
#endif
#define BOOST_METAPARSE_DEF(n) \
= {BOOST_PP_ENUM_PARAMS(n, C) BOOST_PP_COMMA_IF(n) 0}
#ifdef BOOST_METAPARSE_STRING_DECLARE
# error BOOST_METAPARSE_STRING_DECLARE already defined
#endif
#ifdef BOOST_METAPARSE_STRING_DEFINE
# error BOOST_METAPARSE_STRING_DECLARE already defined
#endif
#if !defined BOOST_NO_CONSTEXPR && !defined BOOST_NO_CXX11_CONSTEXPR
# define BOOST_METAPARSE_STRING_DECLARE(n) BOOST_METAPARSE_DEF(n)
# define BOOST_METAPARSE_STRING_DEFINE(n)
#else
# define BOOST_METAPARSE_STRING_DECLARE(n)
# define BOOST_METAPARSE_STRING_DEFINE(n) BOOST_METAPARSE_DEF(n)
#endif
#ifdef BOOST_METAPARSE_STRING_CASE
# error BOOST_METAPARSE_STRING_CASE is already defined
#endif
#define BOOST_METAPARSE_STRING_CASE(z, n, unused) \
template <BOOST_PP_ENUM_PARAMS(n, int C)> \
struct \
c_str< \
boost::metaparse::v1::string< \
BOOST_PP_ENUM_PARAMS(n, C) BOOST_PP_COMMA_IF(n) \
BOOST_PP_ENUM( \
BOOST_PP_SUB(BOOST_METAPARSE_LIMIT_STRING_SIZE, n), \
BOOST_NO_CHAR BOOST_PP_TUPLE_EAT(3), \
~ \
) \
> \
> \
{ \
typedef c_str type; \
static BOOST_CONSTEXPR const char value[n + 1] \
BOOST_METAPARSE_STRING_DECLARE(n); \
}; \
\
template <BOOST_PP_ENUM_PARAMS(n, int C)> \
BOOST_CONSTEXPR const char c_str< \
boost::metaparse::v1::string< \
BOOST_PP_ENUM_PARAMS(n, C) BOOST_PP_COMMA_IF(n) \
BOOST_PP_ENUM( \
BOOST_PP_SUB(BOOST_METAPARSE_LIMIT_STRING_SIZE, n), \
BOOST_NO_CHAR BOOST_PP_TUPLE_EAT(3), \
~ \
) \
> \
>::value[n + 1] BOOST_METAPARSE_STRING_DEFINE(n);
BOOST_PP_REPEAT_FROM_TO(
1,
BOOST_METAPARSE_LIMIT_STRING_SIZE,
BOOST_METAPARSE_STRING_CASE,
~
)
#undef BOOST_METAPARSE_STRING_CASE
#undef BOOST_METAPARSE_STRING_DECLARE
#undef BOOST_METAPARSE_STRING_DEFINE
#undef BOOST_METAPARSE_DEF
#endif
}
}
#include <boost/metaparse/v1/impl/remove_trailing_no_chars.hpp>
#if \
defined BOOST_METAPARSE_VARIADIC_STRING \
&& !defined BOOST_NO_CONSTEXPR && !defined BOOST_NO_CXX11_CONSTEXPR
# include <boost/metaparse/v1/impl/string.hpp>
#else
# define BOOST_METAPARSE_V1_CONFIG_NO_BOOST_METAPARSE_STRING 1
#endif
#endif