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-rw-r--r--3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/numerics.hpp289
1 files changed, 289 insertions, 0 deletions
diff --git a/3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/numerics.hpp b/3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/numerics.hpp
new file mode 100644
index 0000000..20ea091
--- /dev/null
+++ b/3rdParty/Boost/src/boost/spirit/home/classic/core/primitives/numerics.hpp
@@ -0,0 +1,289 @@
+/*=============================================================================
+ Copyright (c) 1998-2003 Joel de Guzman
+ Copyright (c) 2001-2003 Hartmut Kaiser
+ http://spirit.sourceforge.net/
+
+ 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)
+=============================================================================*/
+#ifndef BOOST_SPIRIT_NUMERICS_HPP
+#define BOOST_SPIRIT_NUMERICS_HPP
+
+#include <boost/config.hpp>
+#include <boost/spirit/home/classic/namespace.hpp>
+#include <boost/spirit/home/classic/core/parser.hpp>
+#include <boost/spirit/home/classic/core/composite/directives.hpp>
+
+#include <boost/spirit/home/classic/core/primitives/numerics_fwd.hpp>
+#include <boost/spirit/home/classic/core/primitives/impl/numerics.ipp>
+
+namespace boost { namespace spirit {
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
+
+ ///////////////////////////////////////////////////////////////////////////
+ //
+ // uint_parser class
+ //
+ ///////////////////////////////////////////////////////////////////////////
+ template <
+ typename T,
+ int Radix,
+ unsigned MinDigits,
+ int MaxDigits
+ >
+ struct uint_parser : parser<uint_parser<T, Radix, MinDigits, MaxDigits> >
+ {
+ typedef uint_parser<T, Radix, MinDigits, MaxDigits> self_t;
+
+ template <typename ScannerT>
+ struct result
+ {
+ typedef typename match_result<ScannerT, T>::type type;
+ };
+
+ template <typename ScannerT>
+ typename parser_result<self_t, ScannerT>::type
+ parse(ScannerT const& scan) const
+ {
+ typedef impl::uint_parser_impl<T, Radix, MinDigits, MaxDigits> impl_t;
+ typedef typename parser_result<impl_t, ScannerT>::type result_t;
+ return impl::contiguous_parser_parse<result_t>(impl_t(), scan, scan);
+ }
+ };
+
+ ///////////////////////////////////////////////////////////////////////////
+ //
+ // int_parser class
+ //
+ ///////////////////////////////////////////////////////////////////////////
+ template <
+ typename T,
+ int Radix,
+ unsigned MinDigits,
+ int MaxDigits
+ >
+ struct int_parser : parser<int_parser<T, Radix, MinDigits, MaxDigits> >
+ {
+ typedef int_parser<T, Radix, MinDigits, MaxDigits> self_t;
+
+ template <typename ScannerT>
+ struct result
+ {
+ typedef typename match_result<ScannerT, T>::type type;
+ };
+
+ template <typename ScannerT>
+ typename parser_result<self_t, ScannerT>::type
+ parse(ScannerT const& scan) const
+ {
+ typedef impl::int_parser_impl<T, Radix, MinDigits, MaxDigits> impl_t;
+ typedef typename parser_result<impl_t, ScannerT>::type result_t;
+ return impl::contiguous_parser_parse<result_t>(impl_t(), scan, scan);
+ }
+ };
+
+ ///////////////////////////////////////////////////////////////////////////
+ //
+ // uint_parser/int_parser instantiations
+ //
+ ///////////////////////////////////////////////////////////////////////////
+ int_parser<int> const
+ int_p = int_parser<int>();
+
+ uint_parser<unsigned> const
+ uint_p = uint_parser<unsigned>();
+
+ uint_parser<unsigned, 2> const
+ bin_p = uint_parser<unsigned, 2>();
+
+ uint_parser<unsigned, 8> const
+ oct_p = uint_parser<unsigned, 8>();
+
+ uint_parser<unsigned, 16> const
+ hex_p = uint_parser<unsigned, 16>();
+
+ ///////////////////////////////////////////////////////////////////////////
+ //
+ // sign_parser class
+ //
+ ///////////////////////////////////////////////////////////////////////////
+ namespace impl
+ {
+ // Utility to extract the prefix sign ('-' | '+')
+ template <typename ScannerT>
+ bool extract_sign(ScannerT const& scan, std::size_t& count);
+ }
+
+ struct sign_parser : public parser<sign_parser>
+ {
+ typedef sign_parser self_t;
+
+ template <typename ScannerT>
+ struct result
+ {
+ typedef typename match_result<ScannerT, bool>::type type;
+ };
+
+ sign_parser() {}
+
+ template <typename ScannerT>
+ typename parser_result<self_t, ScannerT>::type
+ parse(ScannerT const& scan) const
+ {
+ if (!scan.at_end())
+ {
+ std::size_t length;
+ typename ScannerT::iterator_t save(scan.first);
+ bool neg = impl::extract_sign(scan, length);
+ if (length)
+ return scan.create_match(1, neg, save, scan.first);
+ }
+ return scan.no_match();
+ }
+ };
+
+ sign_parser const sign_p = sign_parser();
+
+ ///////////////////////////////////////////////////////////////////////////
+ //
+ // default real number policies
+ //
+ ///////////////////////////////////////////////////////////////////////////
+ template <typename T>
+ struct ureal_parser_policies
+ {
+ // trailing dot policy suggested suggested by Gustavo Guerra
+ BOOST_STATIC_CONSTANT(bool, allow_leading_dot = true);
+ BOOST_STATIC_CONSTANT(bool, allow_trailing_dot = true);
+ BOOST_STATIC_CONSTANT(bool, expect_dot = false);
+
+ typedef uint_parser<T, 10, 1, -1> uint_parser_t;
+ typedef int_parser<T, 10, 1, -1> int_parser_t;
+
+ template <typename ScannerT>
+ static typename match_result<ScannerT, nil_t>::type
+ parse_sign(ScannerT& scan)
+ {
+ return scan.no_match();
+ }
+
+ template <typename ScannerT>
+ static typename parser_result<uint_parser_t, ScannerT>::type
+ parse_n(ScannerT& scan)
+ {
+ return uint_parser_t().parse(scan);
+ }
+
+ template <typename ScannerT>
+ static typename parser_result<chlit<>, ScannerT>::type
+ parse_dot(ScannerT& scan)
+ {
+ return ch_p('.').parse(scan);
+ }
+
+ template <typename ScannerT>
+ static typename parser_result<uint_parser_t, ScannerT>::type
+ parse_frac_n(ScannerT& scan)
+ {
+ return uint_parser_t().parse(scan);
+ }
+
+ template <typename ScannerT>
+ static typename parser_result<chlit<>, ScannerT>::type
+ parse_exp(ScannerT& scan)
+ {
+ return as_lower_d['e'].parse(scan);
+ }
+
+ template <typename ScannerT>
+ static typename parser_result<int_parser_t, ScannerT>::type
+ parse_exp_n(ScannerT& scan)
+ {
+ return int_parser_t().parse(scan);
+ }
+ };
+
+ template <typename T>
+ struct real_parser_policies : public ureal_parser_policies<T>
+ {
+ template <typename ScannerT>
+ static typename parser_result<sign_parser, ScannerT>::type
+ parse_sign(ScannerT& scan)
+ {
+ return sign_p.parse(scan);
+ }
+ };
+
+ ///////////////////////////////////////////////////////////////////////////
+ //
+ // real_parser class
+ //
+ ///////////////////////////////////////////////////////////////////////////
+ template <
+ typename T,
+ typename RealPoliciesT
+ >
+ struct real_parser
+ : public parser<real_parser<T, RealPoliciesT> >
+ {
+ typedef real_parser<T, RealPoliciesT> self_t;
+
+ template <typename ScannerT>
+ struct result
+ {
+ typedef typename match_result<ScannerT, T>::type type;
+ };
+
+ real_parser() {}
+
+ template <typename ScannerT>
+ typename parser_result<self_t, ScannerT>::type
+ parse(ScannerT const& scan) const
+ {
+ typedef typename parser_result<self_t, ScannerT>::type result_t;
+ return impl::real_parser_impl<result_t, T, RealPoliciesT>::parse(scan);
+ }
+ };
+
+ ///////////////////////////////////////////////////////////////////////////
+ //
+ // real_parser instantiations
+ //
+ ///////////////////////////////////////////////////////////////////////////
+ real_parser<double, ureal_parser_policies<double> > const
+ ureal_p = real_parser<double, ureal_parser_policies<double> >();
+
+ real_parser<double, real_parser_policies<double> > const
+ real_p = real_parser<double, real_parser_policies<double> >();
+
+ ///////////////////////////////////////////////////////////////////////////
+ //
+ // strict reals (do not allow plain integers (no decimal point))
+ //
+ ///////////////////////////////////////////////////////////////////////////
+ template <typename T>
+ struct strict_ureal_parser_policies : public ureal_parser_policies<T>
+ {
+ BOOST_STATIC_CONSTANT(bool, expect_dot = true);
+ };
+
+ template <typename T>
+ struct strict_real_parser_policies : public real_parser_policies<T>
+ {
+ BOOST_STATIC_CONSTANT(bool, expect_dot = true);
+ };
+
+ real_parser<double, strict_ureal_parser_policies<double> > const
+ strict_ureal_p
+ = real_parser<double, strict_ureal_parser_policies<double> >();
+
+ real_parser<double, strict_real_parser_policies<double> > const
+ strict_real_p
+ = real_parser<double, strict_real_parser_policies<double> >();
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_END
+
+}} // namespace BOOST_SPIRIT_CLASSIC_NS
+
+#endif