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Diffstat (limited to 'boost/metaparse/v1/cpp98/string.hpp')
-rw-r--r-- | boost/metaparse/v1/cpp98/string.hpp | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/boost/metaparse/v1/cpp98/string.hpp b/boost/metaparse/v1/cpp98/string.hpp new file mode 100644 index 0000000000..3f7ad7a555 --- /dev/null +++ b/boost/metaparse/v1/cpp98/string.hpp @@ -0,0 +1,272 @@ +#ifndef BOOST_METAPARSE_V1_CPP98_STRING_HPP +#define BOOST_METAPARSE_V1_CPP98_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/v1/cpp98/fwd/string.hpp> +#include <boost/metaparse/v1/string_tag.hpp> +#include <boost/metaparse/v1/impl/string_iterator.hpp> +#include <boost/metaparse/v1/cpp98/impl/empty_string.hpp> +#include <boost/metaparse/v1/cpp98/impl/size.hpp> +#include <boost/metaparse/v1/cpp98/impl/pop_front.hpp> +#include <boost/metaparse/v1/cpp98/impl/push_front_c.hpp> +#include <boost/metaparse/v1/cpp98/impl/push_back_c.hpp> +#include <boost/metaparse/v1/cpp98/impl/pop_back.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 + { + template <BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, int C)> + struct string + { + typedef string type; + typedef string_tag tag; + }; + } + } +} + +/* + * 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; + + 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 const char value[BOOST_METAPARSE_LIMIT_STRING_SIZE + 1]; + }; + + template <BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, int C)> + 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] + = {BOOST_PP_ENUM_PARAMS(BOOST_METAPARSE_LIMIT_STRING_SIZE, C), 0}; + + template <> + struct c_str<boost::metaparse::v1::string<> > : + boost::metaparse::v1::impl::empty_string<> + { + typedef c_str type; + }; + + #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 const char value[n + 1]; \ + }; \ + \ + template <BOOST_PP_ENUM_PARAMS(n, int C)> \ + 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_PP_ENUM_PARAMS(n, C) BOOST_PP_COMMA_IF(n) 0}; + + BOOST_PP_REPEAT_FROM_TO( + 1, + BOOST_METAPARSE_LIMIT_STRING_SIZE, + BOOST_METAPARSE_STRING_CASE, + ~ + ) + + #undef BOOST_METAPARSE_STRING_CASE + } +} + +#define BOOST_METAPARSE_V1_CONFIG_NO_BOOST_METAPARSE_STRING 1 + +#endif + |