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sprout/weed/parser/numeric/* 更新
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bolero-MURAKAMI
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commit
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11 changed files with 603 additions and 107 deletions
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@ -1,131 +1,39 @@
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#ifndef SPROUT_WEED_PARSER_NUMERIC_HEX_HPP
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#define SPROUT_WEED_PARSER_NUMERIC_HEX_HPP
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#include <cstddef>
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#include <cstdint>
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#include <sprout/config.hpp>
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#include <sprout/iterator/next.hpp>
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#include <sprout/tuple/tuple.hpp>
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#include <sprout/weed/unused.hpp>
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#include <sprout/weed/parser_result.hpp>
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#include <sprout/weed/parser/parser_base.hpp>
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#include <sprout/weed/detail/xdigits.hpp>
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#include <sprout/integer/integer_digits.hpp>
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#include <sprout/weed/parser/numeric/uint_p.hpp>
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namespace sprout {
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namespace weed {
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//
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// hex_p
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// hex
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//
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template<typename IntType, std::size_t Min = sizeof(IntType) * 2, std::size_t Max = sizeof(IntType) * 2>
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struct hex_p
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: public sprout::weed::parser_base
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{
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public:
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template<typename Context, typename Iterator>
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struct attribute {
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public:
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typedef IntType type;
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};
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template<typename Context, typename Iterator>
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struct result {
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public:
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typedef sprout::weed::parser_result<Iterator, typename attribute<Context, Iterator>::type> type;
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};
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private:
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template<std::size_t N, typename Context, typename Iterator, typename PResult>
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SPROUT_CONSTEXPR typename std::enable_if<
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N == Max,
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typename result<Context, Iterator>::type
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>::type call_1(Iterator first, Iterator last, Iterator temp_first, IntType t, PResult const& res) const {
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typedef typename result<Context, Iterator>::type result_type;
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typedef typename attribute<Context, Iterator>::type attribute_type;
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return sprout::tuples::get<1>(res)
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? result_type(true, sprout::next(first), static_cast<IntType>(t << 4 | sprout::tuples::get<0>(res)))
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: N < Min
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? result_type(false, temp_first, attribute_type())
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: result_type(true, first, t)
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;
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}
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template<std::size_t N, typename Context, typename Iterator, typename PResult>
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SPROUT_CONSTEXPR typename std::enable_if<
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N != Max,
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typename result<Context, Iterator>::type
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>::type call_1(Iterator first, Iterator last, Iterator temp_first, IntType t, PResult const& res) const {
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typedef typename result<Context, Iterator>::type result_type;
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typedef typename attribute<Context, Iterator>::type attribute_type;
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return sprout::tuples::get<1>(res)
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? call_0<N, Context>(sprout::next(first), last, temp_first, static_cast<IntType>(t << 4 | sprout::tuples::get<0>(res)))
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: N < Min
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? result_type(false, temp_first, attribute_type())
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: result_type(true, first, t)
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;
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}
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template<std::size_t N, typename Context, typename Iterator>
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SPROUT_CONSTEXPR typename result<Context, Iterator>::type call_0(Iterator first, Iterator last, Iterator temp_first, IntType t) const {
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typedef typename result<Context, Iterator>::type result_type;
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typedef typename attribute<Context, Iterator>::type attribute_type;
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return first != last
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? call_1<N + 1, Context>(first, last, temp_first, t, sprout::weed::detail::from_xdigit<IntType>(*first))
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: N < Min
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? result_type(false, temp_first, attribute_type())
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: result_type(true, first, t)
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;
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}
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template<typename Context, typename Iterator, typename PResult>
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SPROUT_CONSTEXPR typename result<Context, Iterator>::type call(Iterator first, Iterator last, Iterator temp_first, PResult const& res) const {
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typedef typename result<Context, Iterator>::type result_type;
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typedef typename attribute<Context, Iterator>::type attribute_type;
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return sprout::tuples::get<1>(res)
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? call_0<1, Context>(sprout::next(first), last, temp_first, sprout::tuples::get<0>(res))
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: result_type(false, temp_first, attribute_type())
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;
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}
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public:
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template<typename Context, typename Iterator>
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SPROUT_CONSTEXPR typename result<Context, Iterator>::type operator()(Iterator first, Iterator last, Context const&) const {
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typedef typename result<Context, Iterator>::type result_type;
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typedef typename attribute<Context, Iterator>::type attribute_type;
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return first != last
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? call<Context>(first, last, first, sprout::weed::detail::from_xdigit<IntType>(*first))
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: result_type(false, first, attribute_type())
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;
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}
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};
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SPROUT_STATIC_CONSTEXPR auto hex = sprout::weed::uint_p<std::uintmax_t, 16, -1>();
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//
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// hex8
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// hex16
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// hex32
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// hex64
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// uhex8
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// uhex16
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// uhex32
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// uhex64
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//
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::int8_t, 1> hex8 = sprout::weed::hex_p<std::int8_t, 1>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::int16_t, 1> hex16 = sprout::weed::hex_p<std::int16_t, 1>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::int32_t, 1> hex32 = sprout::weed::hex_p<std::int32_t, 1>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::int64_t, 1> hex64 = sprout::weed::hex_p<std::int64_t, 1>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::uint8_t, 1> uhex8 = sprout::weed::hex_p<std::uint8_t, 1>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::uint16_t, 1> uhex16 = sprout::weed::hex_p<std::uint16_t, 1>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::uint32_t, 1> uhex32 = sprout::weed::hex_p<std::uint32_t, 1>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::uint64_t, 1> uhex64 = sprout::weed::hex_p<std::uint64_t, 1>();
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SPROUT_STATIC_CONSTEXPR auto hex8 = sprout::weed::uint_p<std::uint8_t, 16>();
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SPROUT_STATIC_CONSTEXPR auto hex16 = sprout::weed::uint_p<std::uint16_t, 16>();
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SPROUT_STATIC_CONSTEXPR auto hex32 = sprout::weed::uint_p<std::uint32_t, 16>();
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SPROUT_STATIC_CONSTEXPR auto hex64 = sprout::weed::uint_p<std::uint64_t, 16>();
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//
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// hex8f
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// hex16f
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// hex32f
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// hex64f
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// uhex8f
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// uhex16f
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// uhex32f
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// uhex64f
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//
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::int8_t> hex8f = sprout::weed::hex_p<std::int8_t>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::int16_t> hex16f = sprout::weed::hex_p<std::int16_t>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::int32_t> hex32f = sprout::weed::hex_p<std::int32_t>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::int64_t> hex64f = sprout::weed::hex_p<std::int64_t>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::uint8_t> uhex8f = sprout::weed::hex_p<std::uint8_t>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::uint16_t> uhex16f = sprout::weed::hex_p<std::uint16_t>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::uint32_t> uhex32f = sprout::weed::hex_p<std::uint32_t>();
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SPROUT_STATIC_CONSTEXPR sprout::weed::hex_p<std::uint64_t> uhex64f = sprout::weed::hex_p<std::uint64_t>();
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SPROUT_STATIC_CONSTEXPR auto hex8f = sprout::weed::uint_p<std::uint8_t, 16, sprout::integer_digits<std::uint8_t, 16>::value>();
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SPROUT_STATIC_CONSTEXPR auto hex16f = sprout::weed::uint_p<std::uint16_t, 16, sprout::integer_digits<std::uint16_t, 16>::value>();
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SPROUT_STATIC_CONSTEXPR auto hex32f = sprout::weed::uint_p<std::uint32_t, 16, sprout::integer_digits<std::uint32_t, 16>::value>();
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SPROUT_STATIC_CONSTEXPR auto hex64f = sprout::weed::uint_p<std::uint64_t, 16, sprout::integer_digits<std::uint64_t, 16>::value>();
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} // namespace weed
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} // namespace sprout
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