mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
69 lines
1.5 KiB
C++
69 lines
1.5 KiB
C++
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//
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// Sprout C++ Library
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//
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// Copyright (c) 2012
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// bolero-MURAKAMI : http://d.hatena.ne.jp/boleros/
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// osyo-manga : http://d.hatena.ne.jp/osyo-manga/
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//
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// Readme:
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// https://github.com/osyo-manga/cpp-half/blob/master/README
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//
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// License:
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// Boost Software License - Version 1.0
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// <http://www.boost.org/LICENSE_1_0.txt>
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//
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#include <sprout/weed.hpp>
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#include <boost/mpl/print.hpp>
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#include <boost/mpl/int.hpp>
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#include <iostream>
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//
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// __TIME__ Parser
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//
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int
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main(){
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namespace w = sprout::weed;
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//
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// __TIME__ to Sprout.String
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//
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static constexpr auto time = sprout::to_string(__TIME__);
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// static constexpr auto time = sprout::to_string("23:22:45");
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//
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// parse __TIME__
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//
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constexpr auto parser = w::int_ >> ':' >> w::int_ >> ':' >> w::int_;
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static constexpr auto result = w::parse(time.begin(), time.end(), parser);
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static_assert(result.success(), "failed parse");
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//
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// get result
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//
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static constexpr sprout::array<long long int, 3> result_attr = result.attr();
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static constexpr auto hour = result_attr[0];
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static constexpr auto minute = result_attr[1];
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static constexpr auto second = result_attr[2];
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// static_assert(hour == 23, "");
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// static_assert(minute == 22, "");
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// static_assert(second == 45, "");
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std::cout << hour << std::endl;
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std::cout << minute << std::endl;
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std::cout << second << std::endl;
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//
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// compile time output
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//
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namespace m = boost::mpl;
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typedef m::print<m::int_<hour>>::type hour_;
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typedef m::print<m::int_<minute>>::type minute_;
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typedef m::print<m::int_<second>>::type second_;
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return 0;
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}
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