New upstream version 8.1.0
This commit is contained in:
geos_one
101
thirdparty/source/boost_1_61_0/boost/lexical_cast/bad_lexical_cast.hpp
vendored
Normal file
101
thirdparty/source/boost_1_61_0/boost/lexical_cast/bad_lexical_cast.hpp
vendored
Normal file
@@ -0,0 +1,101 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2014.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_BAD_LEXICAL_CAST_HPP
|
||||
#define BOOST_LEXICAL_CAST_BAD_LEXICAL_CAST_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
#include <typeinfo>
|
||||
#include <exception>
|
||||
#include <boost/throw_exception.hpp>
|
||||
|
||||
namespace boost
|
||||
{
|
||||
// exception used to indicate runtime lexical_cast failure
|
||||
class BOOST_SYMBOL_VISIBLE bad_lexical_cast :
|
||||
// workaround MSVC bug with std::bad_cast when _HAS_EXCEPTIONS == 0
|
||||
#if defined(BOOST_MSVC) && defined(_HAS_EXCEPTIONS) && !_HAS_EXCEPTIONS
|
||||
public std::exception
|
||||
#else
|
||||
public std::bad_cast
|
||||
#endif
|
||||
|
||||
#if defined(__BORLANDC__) && BOOST_WORKAROUND( __BORLANDC__, < 0x560 )
|
||||
// under bcc32 5.5.1 bad_cast doesn't derive from exception
|
||||
, public std::exception
|
||||
#endif
|
||||
|
||||
{
|
||||
public:
|
||||
bad_lexical_cast() BOOST_NOEXCEPT
|
||||
#ifndef BOOST_NO_TYPEID
|
||||
: source(&typeid(void)), target(&typeid(void))
|
||||
#endif
|
||||
{}
|
||||
|
||||
virtual const char *what() const BOOST_NOEXCEPT_OR_NOTHROW {
|
||||
return "bad lexical cast: "
|
||||
"source type value could not be interpreted as target";
|
||||
}
|
||||
|
||||
virtual ~bad_lexical_cast() BOOST_NOEXCEPT_OR_NOTHROW
|
||||
{}
|
||||
|
||||
#ifndef BOOST_NO_TYPEID
|
||||
bad_lexical_cast(
|
||||
const std::type_info &source_type_arg,
|
||||
const std::type_info &target_type_arg) BOOST_NOEXCEPT
|
||||
: source(&source_type_arg), target(&target_type_arg)
|
||||
{}
|
||||
|
||||
const std::type_info &source_type() const BOOST_NOEXCEPT {
|
||||
return *source;
|
||||
}
|
||||
|
||||
const std::type_info &target_type() const BOOST_NOEXCEPT {
|
||||
return *target;
|
||||
}
|
||||
|
||||
private:
|
||||
const std::type_info *source;
|
||||
const std::type_info *target;
|
||||
#endif
|
||||
};
|
||||
|
||||
namespace conversion { namespace detail {
|
||||
#ifdef BOOST_NO_TYPEID
|
||||
template <class S, class T>
|
||||
inline void throw_bad_cast() {
|
||||
boost::throw_exception(bad_lexical_cast());
|
||||
}
|
||||
#else
|
||||
template <class S, class T>
|
||||
inline void throw_bad_cast() {
|
||||
boost::throw_exception(bad_lexical_cast(typeid(S), typeid(T)));
|
||||
}
|
||||
#endif
|
||||
}} // namespace conversion::detail
|
||||
|
||||
|
||||
} // namespace boost
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_BAD_LEXICAL_CAST_HPP
|
||||
|
||||
498
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/converter_lexical.hpp
vendored
Normal file
498
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/converter_lexical.hpp
vendored
Normal file
@@ -0,0 +1,498 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2014.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_DETAIL_CONVERTER_LEXICAL_HPP
|
||||
#define BOOST_LEXICAL_CAST_DETAIL_CONVERTER_LEXICAL_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
|
||||
#define BOOST_LCAST_NO_WCHAR_T
|
||||
#endif
|
||||
|
||||
#include <cstddef>
|
||||
#include <string>
|
||||
#include <boost/limits.hpp>
|
||||
#include <boost/mpl/bool.hpp>
|
||||
#include <boost/mpl/identity.hpp>
|
||||
#include <boost/mpl/if.hpp>
|
||||
#include <boost/type_traits/is_integral.hpp>
|
||||
#include <boost/type_traits/is_float.hpp>
|
||||
#include <boost/type_traits/has_left_shift.hpp>
|
||||
#include <boost/type_traits/has_right_shift.hpp>
|
||||
#include <boost/static_assert.hpp>
|
||||
#include <boost/detail/lcast_precision.hpp>
|
||||
|
||||
#include <boost/lexical_cast/detail/widest_char.hpp>
|
||||
#include <boost/lexical_cast/detail/is_character.hpp>
|
||||
|
||||
#ifndef BOOST_NO_CXX11_HDR_ARRAY
|
||||
#include <array>
|
||||
#endif
|
||||
|
||||
#include <boost/array.hpp>
|
||||
#include <boost/range/iterator_range_core.hpp>
|
||||
#include <boost/container/container_fwd.hpp>
|
||||
|
||||
#include <boost/lexical_cast/detail/converter_lexical_streams.hpp>
|
||||
|
||||
namespace boost {
|
||||
|
||||
namespace detail // normalize_single_byte_char<Char>
|
||||
{
|
||||
// Converts signed/unsigned char to char
|
||||
template < class Char >
|
||||
struct normalize_single_byte_char
|
||||
{
|
||||
typedef Char type;
|
||||
};
|
||||
|
||||
template <>
|
||||
struct normalize_single_byte_char< signed char >
|
||||
{
|
||||
typedef char type;
|
||||
};
|
||||
|
||||
template <>
|
||||
struct normalize_single_byte_char< unsigned char >
|
||||
{
|
||||
typedef char type;
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail // deduce_character_type_later<T>
|
||||
{
|
||||
// Helper type, meaning that stram character for T must be deduced
|
||||
// at Stage 2 (See deduce_source_char<T> and deduce_target_char<T>)
|
||||
template < class T > struct deduce_character_type_later {};
|
||||
}
|
||||
|
||||
namespace detail // stream_char_common<T>
|
||||
{
|
||||
// Selectors to choose stream character type (common for Source and Target)
|
||||
// Returns one of char, wchar_t, char16_t, char32_t or deduce_character_type_later<T> types
|
||||
// Executed on Stage 1 (See deduce_source_char<T> and deduce_target_char<T>)
|
||||
template < typename Type >
|
||||
struct stream_char_common: public boost::mpl::if_c<
|
||||
boost::detail::is_character< Type >::value,
|
||||
Type,
|
||||
boost::detail::deduce_character_type_later< Type >
|
||||
> {};
|
||||
|
||||
template < typename Char >
|
||||
struct stream_char_common< Char* >: public boost::mpl::if_c<
|
||||
boost::detail::is_character< Char >::value,
|
||||
Char,
|
||||
boost::detail::deduce_character_type_later< Char* >
|
||||
> {};
|
||||
|
||||
template < typename Char >
|
||||
struct stream_char_common< const Char* >: public boost::mpl::if_c<
|
||||
boost::detail::is_character< Char >::value,
|
||||
Char,
|
||||
boost::detail::deduce_character_type_later< const Char* >
|
||||
> {};
|
||||
|
||||
template < typename Char >
|
||||
struct stream_char_common< boost::iterator_range< Char* > >: public boost::mpl::if_c<
|
||||
boost::detail::is_character< Char >::value,
|
||||
Char,
|
||||
boost::detail::deduce_character_type_later< boost::iterator_range< Char* > >
|
||||
> {};
|
||||
|
||||
template < typename Char >
|
||||
struct stream_char_common< boost::iterator_range< const Char* > >: public boost::mpl::if_c<
|
||||
boost::detail::is_character< Char >::value,
|
||||
Char,
|
||||
boost::detail::deduce_character_type_later< boost::iterator_range< const Char* > >
|
||||
> {};
|
||||
|
||||
template < class Char, class Traits, class Alloc >
|
||||
struct stream_char_common< std::basic_string< Char, Traits, Alloc > >
|
||||
{
|
||||
typedef Char type;
|
||||
};
|
||||
|
||||
template < class Char, class Traits, class Alloc >
|
||||
struct stream_char_common< boost::container::basic_string< Char, Traits, Alloc > >
|
||||
{
|
||||
typedef Char type;
|
||||
};
|
||||
|
||||
template < typename Char, std::size_t N >
|
||||
struct stream_char_common< boost::array< Char, N > >: public boost::mpl::if_c<
|
||||
boost::detail::is_character< Char >::value,
|
||||
Char,
|
||||
boost::detail::deduce_character_type_later< boost::array< Char, N > >
|
||||
> {};
|
||||
|
||||
template < typename Char, std::size_t N >
|
||||
struct stream_char_common< boost::array< const Char, N > >: public boost::mpl::if_c<
|
||||
boost::detail::is_character< Char >::value,
|
||||
Char,
|
||||
boost::detail::deduce_character_type_later< boost::array< const Char, N > >
|
||||
> {};
|
||||
|
||||
#ifndef BOOST_NO_CXX11_HDR_ARRAY
|
||||
template < typename Char, std::size_t N >
|
||||
struct stream_char_common< std::array<Char, N > >: public boost::mpl::if_c<
|
||||
boost::detail::is_character< Char >::value,
|
||||
Char,
|
||||
boost::detail::deduce_character_type_later< std::array< Char, N > >
|
||||
> {};
|
||||
|
||||
template < typename Char, std::size_t N >
|
||||
struct stream_char_common< std::array< const Char, N > >: public boost::mpl::if_c<
|
||||
boost::detail::is_character< Char >::value,
|
||||
Char,
|
||||
boost::detail::deduce_character_type_later< std::array< const Char, N > >
|
||||
> {};
|
||||
#endif
|
||||
|
||||
#ifdef BOOST_HAS_INT128
|
||||
template <> struct stream_char_common< boost::int128_type >: public boost::mpl::identity< char > {};
|
||||
template <> struct stream_char_common< boost::uint128_type >: public boost::mpl::identity< char > {};
|
||||
#endif
|
||||
|
||||
#if !defined(BOOST_LCAST_NO_WCHAR_T) && defined(BOOST_NO_INTRINSIC_WCHAR_T)
|
||||
template <>
|
||||
struct stream_char_common< wchar_t >
|
||||
{
|
||||
typedef char type;
|
||||
};
|
||||
#endif
|
||||
}
|
||||
|
||||
namespace detail // deduce_source_char_impl<T>
|
||||
{
|
||||
// If type T is `deduce_character_type_later` type, then tries to deduce
|
||||
// character type using boost::has_left_shift<T> metafunction.
|
||||
// Otherwise supplied type T is a character type, that must be normalized
|
||||
// using normalize_single_byte_char<Char>.
|
||||
// Executed at Stage 2 (See deduce_source_char<T> and deduce_target_char<T>)
|
||||
template < class Char >
|
||||
struct deduce_source_char_impl
|
||||
{
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::detail::normalize_single_byte_char< Char >::type type;
|
||||
};
|
||||
|
||||
template < class T >
|
||||
struct deduce_source_char_impl< deduce_character_type_later< T > >
|
||||
{
|
||||
typedef boost::has_left_shift< std::basic_ostream< char >, T > result_t;
|
||||
|
||||
#if defined(BOOST_LCAST_NO_WCHAR_T)
|
||||
BOOST_STATIC_ASSERT_MSG((result_t::value),
|
||||
"Source type is not std::ostream`able and std::wostream`s are not supported by your STL implementation");
|
||||
typedef char type;
|
||||
#else
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
|
||||
result_t::value, char, wchar_t
|
||||
>::type type;
|
||||
|
||||
BOOST_STATIC_ASSERT_MSG((result_t::value || boost::has_left_shift< std::basic_ostream< type >, T >::value),
|
||||
"Source type is neither std::ostream`able nor std::wostream`able");
|
||||
#endif
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail // deduce_target_char_impl<T>
|
||||
{
|
||||
// If type T is `deduce_character_type_later` type, then tries to deduce
|
||||
// character type using boost::has_right_shift<T> metafunction.
|
||||
// Otherwise supplied type T is a character type, that must be normalized
|
||||
// using normalize_single_byte_char<Char>.
|
||||
// Executed at Stage 2 (See deduce_source_char<T> and deduce_target_char<T>)
|
||||
template < class Char >
|
||||
struct deduce_target_char_impl
|
||||
{
|
||||
typedef BOOST_DEDUCED_TYPENAME normalize_single_byte_char< Char >::type type;
|
||||
};
|
||||
|
||||
template < class T >
|
||||
struct deduce_target_char_impl< deduce_character_type_later<T> >
|
||||
{
|
||||
typedef boost::has_right_shift<std::basic_istream<char>, T > result_t;
|
||||
|
||||
#if defined(BOOST_LCAST_NO_WCHAR_T)
|
||||
BOOST_STATIC_ASSERT_MSG((result_t::value),
|
||||
"Target type is not std::istream`able and std::wistream`s are not supported by your STL implementation");
|
||||
typedef char type;
|
||||
#else
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
|
||||
result_t::value, char, wchar_t
|
||||
>::type type;
|
||||
|
||||
BOOST_STATIC_ASSERT_MSG((result_t::value || boost::has_right_shift<std::basic_istream<wchar_t>, T >::value),
|
||||
"Target type is neither std::istream`able nor std::wistream`able");
|
||||
#endif
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail // deduce_target_char<T> and deduce_source_char<T>
|
||||
{
|
||||
// We deduce stream character types in two stages.
|
||||
//
|
||||
// Stage 1 is common for Target and Source. At Stage 1 we get
|
||||
// non normalized character type (may contain unsigned/signed char)
|
||||
// or deduce_character_type_later<T> where T is the original type.
|
||||
// Stage 1 is executed by stream_char_common<T>
|
||||
//
|
||||
// At Stage 2 we normalize character types or try to deduce character
|
||||
// type using metafunctions.
|
||||
// Stage 2 is executed by deduce_target_char_impl<T> and
|
||||
// deduce_source_char_impl<T>
|
||||
//
|
||||
// deduce_target_char<T> and deduce_source_char<T> functions combine
|
||||
// both stages
|
||||
|
||||
template < class T >
|
||||
struct deduce_target_char
|
||||
{
|
||||
typedef BOOST_DEDUCED_TYPENAME stream_char_common< T >::type stage1_type;
|
||||
typedef BOOST_DEDUCED_TYPENAME deduce_target_char_impl< stage1_type >::type stage2_type;
|
||||
|
||||
typedef stage2_type type;
|
||||
};
|
||||
|
||||
template < class T >
|
||||
struct deduce_source_char
|
||||
{
|
||||
typedef BOOST_DEDUCED_TYPENAME stream_char_common< T >::type stage1_type;
|
||||
typedef BOOST_DEDUCED_TYPENAME deduce_source_char_impl< stage1_type >::type stage2_type;
|
||||
|
||||
typedef stage2_type type;
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail // extract_char_traits template
|
||||
{
|
||||
// We are attempting to get char_traits<> from T
|
||||
// template parameter. Otherwise we'll be using std::char_traits<Char>
|
||||
template < class Char, class T >
|
||||
struct extract_char_traits
|
||||
: boost::false_type
|
||||
{
|
||||
typedef std::char_traits< Char > trait_t;
|
||||
};
|
||||
|
||||
template < class Char, class Traits, class Alloc >
|
||||
struct extract_char_traits< Char, std::basic_string< Char, Traits, Alloc > >
|
||||
: boost::true_type
|
||||
{
|
||||
typedef Traits trait_t;
|
||||
};
|
||||
|
||||
template < class Char, class Traits, class Alloc>
|
||||
struct extract_char_traits< Char, boost::container::basic_string< Char, Traits, Alloc > >
|
||||
: boost::true_type
|
||||
{
|
||||
typedef Traits trait_t;
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail // array_to_pointer_decay<T>
|
||||
{
|
||||
template<class T>
|
||||
struct array_to_pointer_decay
|
||||
{
|
||||
typedef T type;
|
||||
};
|
||||
|
||||
template<class T, std::size_t N>
|
||||
struct array_to_pointer_decay<T[N]>
|
||||
{
|
||||
typedef const T * type;
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail // lcast_src_length
|
||||
{
|
||||
// Return max. length of string representation of Source;
|
||||
template< class Source, // Source type of lexical_cast.
|
||||
class Enable = void // helper type
|
||||
>
|
||||
struct lcast_src_length
|
||||
{
|
||||
BOOST_STATIC_CONSTANT(std::size_t, value = 1);
|
||||
};
|
||||
|
||||
// Helper for integral types.
|
||||
// Notes on length calculation:
|
||||
// Max length for 32bit int with grouping "\1" and thousands_sep ',':
|
||||
// "-2,1,4,7,4,8,3,6,4,7"
|
||||
// ^ - is_signed
|
||||
// ^ - 1 digit not counted by digits10
|
||||
// ^^^^^^^^^^^^^^^^^^ - digits10 * 2
|
||||
//
|
||||
// Constant is_specialized is used instead of constant 1
|
||||
// to prevent buffer overflow in a rare case when
|
||||
// <boost/limits.hpp> doesn't add missing specialization for
|
||||
// numeric_limits<T> for some integral type T.
|
||||
// When is_specialized is false, the whole expression is 0.
|
||||
template <class Source>
|
||||
struct lcast_src_length<
|
||||
Source, BOOST_DEDUCED_TYPENAME boost::enable_if<boost::is_integral<Source> >::type
|
||||
>
|
||||
{
|
||||
#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
|
||||
BOOST_STATIC_CONSTANT(std::size_t, value =
|
||||
std::numeric_limits<Source>::is_signed +
|
||||
std::numeric_limits<Source>::is_specialized + /* == 1 */
|
||||
std::numeric_limits<Source>::digits10 * 2
|
||||
);
|
||||
#else
|
||||
BOOST_STATIC_CONSTANT(std::size_t, value = 156);
|
||||
BOOST_STATIC_ASSERT(sizeof(Source) * CHAR_BIT <= 256);
|
||||
#endif
|
||||
};
|
||||
|
||||
// Helper for floating point types.
|
||||
// -1.23456789e-123456
|
||||
// ^ sign
|
||||
// ^ leading digit
|
||||
// ^ decimal point
|
||||
// ^^^^^^^^ lcast_precision<Source>::value
|
||||
// ^ "e"
|
||||
// ^ exponent sign
|
||||
// ^^^^^^ exponent (assumed 6 or less digits)
|
||||
// sign + leading digit + decimal point + "e" + exponent sign == 5
|
||||
template<class Source>
|
||||
struct lcast_src_length<
|
||||
Source, BOOST_DEDUCED_TYPENAME boost::enable_if<boost::is_float<Source> >::type
|
||||
>
|
||||
{
|
||||
|
||||
#ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
|
||||
BOOST_STATIC_ASSERT(
|
||||
std::numeric_limits<Source>::max_exponent10 <= 999999L &&
|
||||
std::numeric_limits<Source>::min_exponent10 >= -999999L
|
||||
);
|
||||
|
||||
BOOST_STATIC_CONSTANT(std::size_t, value =
|
||||
5 + lcast_precision<Source>::value + 6
|
||||
);
|
||||
#else // #ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
|
||||
BOOST_STATIC_CONSTANT(std::size_t, value = 156);
|
||||
#endif // #ifndef BOOST_LCAST_NO_COMPILE_TIME_PRECISION
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail // lexical_cast_stream_traits<Source, Target>
|
||||
{
|
||||
template <class Source, class Target>
|
||||
struct lexical_cast_stream_traits {
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::detail::array_to_pointer_decay<Source>::type src;
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::remove_cv<src>::type no_cv_src;
|
||||
|
||||
typedef boost::detail::deduce_source_char<no_cv_src> deduce_src_char_metafunc;
|
||||
typedef BOOST_DEDUCED_TYPENAME deduce_src_char_metafunc::type src_char_t;
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::detail::deduce_target_char<Target>::type target_char_t;
|
||||
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::detail::widest_char<
|
||||
target_char_t, src_char_t
|
||||
>::type char_type;
|
||||
|
||||
#if !defined(BOOST_NO_CXX11_CHAR16_T) && defined(BOOST_NO_CXX11_UNICODE_LITERALS)
|
||||
BOOST_STATIC_ASSERT_MSG(( !boost::is_same<char16_t, src_char_t>::value
|
||||
&& !boost::is_same<char16_t, target_char_t>::value),
|
||||
"Your compiler does not have full support for char16_t" );
|
||||
#endif
|
||||
#if !defined(BOOST_NO_CXX11_CHAR32_T) && defined(BOOST_NO_CXX11_UNICODE_LITERALS)
|
||||
BOOST_STATIC_ASSERT_MSG(( !boost::is_same<char32_t, src_char_t>::value
|
||||
&& !boost::is_same<char32_t, target_char_t>::value),
|
||||
"Your compiler does not have full support for char32_t" );
|
||||
#endif
|
||||
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
|
||||
boost::detail::extract_char_traits<char_type, Target>::value,
|
||||
BOOST_DEDUCED_TYPENAME boost::detail::extract_char_traits<char_type, Target>,
|
||||
BOOST_DEDUCED_TYPENAME boost::detail::extract_char_traits<char_type, no_cv_src>
|
||||
>::type::trait_t traits;
|
||||
|
||||
typedef boost::mpl::bool_
|
||||
<
|
||||
boost::is_same<char, src_char_t>::value && // source is not a wide character based type
|
||||
(sizeof(char) != sizeof(target_char_t)) && // target type is based on wide character
|
||||
(!(boost::detail::is_character<no_cv_src>::value))
|
||||
> is_string_widening_required_t;
|
||||
|
||||
typedef boost::mpl::bool_
|
||||
<
|
||||
!(boost::is_integral<no_cv_src>::value ||
|
||||
boost::detail::is_character<
|
||||
BOOST_DEDUCED_TYPENAME deduce_src_char_metafunc::stage1_type // if we did not get character type at stage1
|
||||
>::value // then we have no optimization for that type
|
||||
)
|
||||
> is_source_input_not_optimized_t;
|
||||
|
||||
// If we have an optimized conversion for
|
||||
// Source, we do not need to construct stringbuf.
|
||||
BOOST_STATIC_CONSTANT(bool, requires_stringbuf =
|
||||
(is_string_widening_required_t::value || is_source_input_not_optimized_t::value)
|
||||
);
|
||||
|
||||
typedef boost::detail::lcast_src_length<no_cv_src> len_t;
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail
|
||||
{
|
||||
template<typename Target, typename Source>
|
||||
struct lexical_converter_impl
|
||||
{
|
||||
typedef lexical_cast_stream_traits<Source, Target> stream_trait;
|
||||
|
||||
typedef detail::lexical_istream_limited_src<
|
||||
BOOST_DEDUCED_TYPENAME stream_trait::char_type,
|
||||
BOOST_DEDUCED_TYPENAME stream_trait::traits,
|
||||
stream_trait::requires_stringbuf,
|
||||
stream_trait::len_t::value + 1
|
||||
> i_interpreter_type;
|
||||
|
||||
typedef detail::lexical_ostream_limited_src<
|
||||
BOOST_DEDUCED_TYPENAME stream_trait::char_type,
|
||||
BOOST_DEDUCED_TYPENAME stream_trait::traits
|
||||
> o_interpreter_type;
|
||||
|
||||
static inline bool try_convert(const Source& arg, Target& result) {
|
||||
i_interpreter_type i_interpreter;
|
||||
|
||||
// Disabling ADL, by directly specifying operators.
|
||||
if (!(i_interpreter.operator <<(arg)))
|
||||
return false;
|
||||
|
||||
o_interpreter_type out(i_interpreter.cbegin(), i_interpreter.cend());
|
||||
|
||||
// Disabling ADL, by directly specifying operators.
|
||||
if(!(out.operator >>(result)))
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
} // namespace boost
|
||||
|
||||
#undef BOOST_LCAST_NO_WCHAR_T
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_DETAIL_CONVERTER_LEXICAL_HPP
|
||||
|
||||
787
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/converter_lexical_streams.hpp
vendored
Normal file
787
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/converter_lexical_streams.hpp
vendored
Normal file
@@ -0,0 +1,787 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2014.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_DETAIL_CONVERTER_LEXICAL_STREAMS_HPP
|
||||
#define BOOST_LEXICAL_CAST_DETAIL_CONVERTER_LEXICAL_STREAMS_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
|
||||
#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
|
||||
#define BOOST_LCAST_NO_WCHAR_T
|
||||
#endif
|
||||
|
||||
#include <cstddef>
|
||||
#include <string>
|
||||
#include <cstring>
|
||||
#include <cstdio>
|
||||
#include <boost/limits.hpp>
|
||||
#include <boost/mpl/if.hpp>
|
||||
#include <boost/type_traits/is_pointer.hpp>
|
||||
#include <boost/static_assert.hpp>
|
||||
#include <boost/detail/workaround.hpp>
|
||||
|
||||
|
||||
#ifndef BOOST_NO_STD_LOCALE
|
||||
# include <locale>
|
||||
#else
|
||||
# ifndef BOOST_LEXICAL_CAST_ASSUME_C_LOCALE
|
||||
// Getting error at this point means, that your STL library is old/lame/misconfigured.
|
||||
// If nothing can be done with STL library, define BOOST_LEXICAL_CAST_ASSUME_C_LOCALE,
|
||||
// but beware: lexical_cast will understand only 'C' locale delimeters and thousands
|
||||
// separators.
|
||||
# error "Unable to use <locale> header. Define BOOST_LEXICAL_CAST_ASSUME_C_LOCALE to force "
|
||||
# error "boost::lexical_cast to use only 'C' locale during conversions."
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#ifdef BOOST_NO_STRINGSTREAM
|
||||
#include <strstream>
|
||||
#else
|
||||
#include <sstream>
|
||||
#endif
|
||||
|
||||
#include <boost/lexical_cast/detail/lcast_char_constants.hpp>
|
||||
#include <boost/lexical_cast/detail/lcast_unsigned_converters.hpp>
|
||||
#include <boost/lexical_cast/detail/inf_nan.hpp>
|
||||
|
||||
#include <istream>
|
||||
|
||||
#ifndef BOOST_NO_CXX11_HDR_ARRAY
|
||||
#include <array>
|
||||
#endif
|
||||
|
||||
#include <boost/array.hpp>
|
||||
#include <boost/type_traits/make_unsigned.hpp>
|
||||
#include <boost/type_traits/is_integral.hpp>
|
||||
#include <boost/type_traits/is_float.hpp>
|
||||
#include <boost/range/iterator_range_core.hpp>
|
||||
#include <boost/container/container_fwd.hpp>
|
||||
#include <boost/integer.hpp>
|
||||
#include <boost/detail/basic_pointerbuf.hpp>
|
||||
#include <boost/noncopyable.hpp>
|
||||
#ifndef BOOST_NO_CWCHAR
|
||||
# include <cwchar>
|
||||
#endif
|
||||
|
||||
namespace boost {
|
||||
|
||||
namespace detail // basic_unlockedbuf
|
||||
{
|
||||
// acts as a stream buffer which wraps around a pair of pointers
|
||||
// and gives acces to internals
|
||||
template <class BufferType, class CharT>
|
||||
class basic_unlockedbuf : public basic_pointerbuf<CharT, BufferType> {
|
||||
public:
|
||||
typedef basic_pointerbuf<CharT, BufferType> base_type;
|
||||
typedef BOOST_DEDUCED_TYPENAME base_type::streamsize streamsize;
|
||||
|
||||
#ifndef BOOST_NO_USING_TEMPLATE
|
||||
using base_type::pptr;
|
||||
using base_type::pbase;
|
||||
using base_type::setbuf;
|
||||
#else
|
||||
charT* pptr() const { return base_type::pptr(); }
|
||||
charT* pbase() const { return base_type::pbase(); }
|
||||
BufferType* setbuf(char_type* s, streamsize n) { return base_type::setbuf(s, n); }
|
||||
#endif
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail
|
||||
{
|
||||
struct do_not_construct_out_stream_t{};
|
||||
|
||||
template <class CharT, class Traits>
|
||||
struct out_stream_helper_trait {
|
||||
#if defined(BOOST_NO_STRINGSTREAM)
|
||||
typedef std::ostrstream out_stream_t;
|
||||
typedef void buffer_t;
|
||||
#elif defined(BOOST_NO_STD_LOCALE)
|
||||
typedef std::ostringstream out_stream_t;
|
||||
typedef basic_unlockedbuf<std::streambuf, char> buffer_t;
|
||||
#else
|
||||
typedef std::basic_ostringstream<CharT, Traits>
|
||||
out_stream_t;
|
||||
typedef basic_unlockedbuf<std::basic_streambuf<CharT, Traits>, CharT>
|
||||
buffer_t;
|
||||
#endif
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail // optimized stream wrappers
|
||||
{
|
||||
template< class CharT // a result of widest_char transformation
|
||||
, class Traits
|
||||
, bool RequiresStringbuffer
|
||||
, std::size_t CharacterBufferSize
|
||||
>
|
||||
class lexical_istream_limited_src: boost::noncopyable {
|
||||
typedef BOOST_DEDUCED_TYPENAME out_stream_helper_trait<CharT, Traits>::buffer_t
|
||||
buffer_t;
|
||||
|
||||
typedef BOOST_DEDUCED_TYPENAME out_stream_helper_trait<CharT, Traits>::out_stream_t
|
||||
out_stream_t;
|
||||
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
|
||||
RequiresStringbuffer,
|
||||
out_stream_t,
|
||||
do_not_construct_out_stream_t
|
||||
>::type deduced_out_stream_t;
|
||||
|
||||
// A string representation of Source is written to `buffer`.
|
||||
deduced_out_stream_t out_stream;
|
||||
CharT buffer[CharacterBufferSize];
|
||||
|
||||
// After the `operator <<` finishes, `[start, finish)` is
|
||||
// the range to output by `operator >>`
|
||||
const CharT* start;
|
||||
const CharT* finish;
|
||||
|
||||
public:
|
||||
lexical_istream_limited_src() BOOST_NOEXCEPT
|
||||
: start(buffer)
|
||||
, finish(buffer + CharacterBufferSize)
|
||||
{}
|
||||
|
||||
const CharT* cbegin() const BOOST_NOEXCEPT {
|
||||
return start;
|
||||
}
|
||||
|
||||
const CharT* cend() const BOOST_NOEXCEPT {
|
||||
return finish;
|
||||
}
|
||||
|
||||
private:
|
||||
// Undefined:
|
||||
lexical_istream_limited_src(lexical_istream_limited_src const&);
|
||||
void operator=(lexical_istream_limited_src const&);
|
||||
|
||||
/************************************ HELPER FUNCTIONS FOR OPERATORS << ( ... ) ********************************/
|
||||
bool shl_char(CharT ch) BOOST_NOEXCEPT {
|
||||
Traits::assign(buffer[0], ch);
|
||||
finish = start + 1;
|
||||
return true;
|
||||
}
|
||||
|
||||
#ifndef BOOST_LCAST_NO_WCHAR_T
|
||||
template <class T>
|
||||
bool shl_char(T ch) {
|
||||
BOOST_STATIC_ASSERT_MSG(( sizeof(T) <= sizeof(CharT)) ,
|
||||
"boost::lexical_cast does not support narrowing of char types."
|
||||
"Use boost::locale instead" );
|
||||
#ifndef BOOST_LEXICAL_CAST_ASSUME_C_LOCALE
|
||||
std::locale loc;
|
||||
CharT const w = BOOST_USE_FACET(std::ctype<CharT>, loc).widen(ch);
|
||||
#else
|
||||
CharT const w = static_cast<CharT>(ch);
|
||||
#endif
|
||||
Traits::assign(buffer[0], w);
|
||||
finish = start + 1;
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
|
||||
bool shl_char_array(CharT const* str) BOOST_NOEXCEPT {
|
||||
start = str;
|
||||
finish = start + Traits::length(str);
|
||||
return true;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
bool shl_char_array(T const* str) {
|
||||
BOOST_STATIC_ASSERT_MSG(( sizeof(T) <= sizeof(CharT)),
|
||||
"boost::lexical_cast does not support narrowing of char types."
|
||||
"Use boost::locale instead" );
|
||||
return shl_input_streamable(str);
|
||||
}
|
||||
|
||||
bool shl_char_array_limited(CharT const* str, std::size_t max_size) BOOST_NOEXCEPT {
|
||||
start = str;
|
||||
finish = std::find(start, start + max_size, Traits::to_char_type(0));
|
||||
return true;
|
||||
}
|
||||
|
||||
template<typename InputStreamable>
|
||||
bool shl_input_streamable(InputStreamable& input) {
|
||||
#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_LOCALE)
|
||||
// If you have compilation error at this point, than your STL library
|
||||
// does not support such conversions. Try updating it.
|
||||
BOOST_STATIC_ASSERT((boost::is_same<char, CharT>::value));
|
||||
#endif
|
||||
|
||||
#ifndef BOOST_NO_EXCEPTIONS
|
||||
out_stream.exceptions(std::ios::badbit);
|
||||
try {
|
||||
#endif
|
||||
bool const result = !(out_stream << input).fail();
|
||||
const buffer_t* const p = static_cast<buffer_t*>(
|
||||
static_cast<std::basic_streambuf<CharT, Traits>*>(out_stream.rdbuf())
|
||||
);
|
||||
start = p->pbase();
|
||||
finish = p->pptr();
|
||||
return result;
|
||||
#ifndef BOOST_NO_EXCEPTIONS
|
||||
} catch (const ::std::ios_base::failure& /*f*/) {
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
template <class T>
|
||||
inline bool shl_unsigned(const T n) {
|
||||
CharT* tmp_finish = buffer + CharacterBufferSize;
|
||||
start = lcast_put_unsigned<Traits, T, CharT>(n, tmp_finish).convert();
|
||||
finish = tmp_finish;
|
||||
return true;
|
||||
}
|
||||
|
||||
template <class T>
|
||||
inline bool shl_signed(const T n) {
|
||||
CharT* tmp_finish = buffer + CharacterBufferSize;
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::make_unsigned<T>::type utype;
|
||||
CharT* tmp_start = lcast_put_unsigned<Traits, utype, CharT>(lcast_to_unsigned(n), tmp_finish).convert();
|
||||
if (n < 0) {
|
||||
--tmp_start;
|
||||
CharT const minus = lcast_char_constants<CharT>::minus;
|
||||
Traits::assign(*tmp_start, minus);
|
||||
}
|
||||
start = tmp_start;
|
||||
finish = tmp_finish;
|
||||
return true;
|
||||
}
|
||||
|
||||
template <class T, class SomeCharT>
|
||||
bool shl_real_type(const T& val, SomeCharT* /*begin*/) {
|
||||
lcast_set_precision(out_stream, &val);
|
||||
return shl_input_streamable(val);
|
||||
}
|
||||
|
||||
bool shl_real_type(float val, char* begin) {
|
||||
using namespace std;
|
||||
const double val_as_double = val;
|
||||
finish = start +
|
||||
#if defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
|
||||
sprintf_s(begin, CharacterBufferSize,
|
||||
#else
|
||||
sprintf(begin,
|
||||
#endif
|
||||
"%.*g", static_cast<int>(boost::detail::lcast_get_precision<float>()), val_as_double);
|
||||
return finish > start;
|
||||
}
|
||||
|
||||
bool shl_real_type(double val, char* begin) {
|
||||
using namespace std;
|
||||
finish = start +
|
||||
#if defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
|
||||
sprintf_s(begin, CharacterBufferSize,
|
||||
#else
|
||||
sprintf(begin,
|
||||
#endif
|
||||
"%.*g", static_cast<int>(boost::detail::lcast_get_precision<double>()), val);
|
||||
return finish > start;
|
||||
}
|
||||
|
||||
#ifndef __MINGW32__
|
||||
bool shl_real_type(long double val, char* begin) {
|
||||
using namespace std;
|
||||
finish = start +
|
||||
#if defined(_MSC_VER) && (_MSC_VER >= 1400) && !defined(__SGI_STL_PORT) && !defined(_STLPORT_VERSION)
|
||||
sprintf_s(begin, CharacterBufferSize,
|
||||
#else
|
||||
sprintf(begin,
|
||||
#endif
|
||||
"%.*Lg", static_cast<int>(boost::detail::lcast_get_precision<long double>()), val );
|
||||
return finish > start;
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
#if !defined(BOOST_LCAST_NO_WCHAR_T) && !defined(BOOST_NO_SWPRINTF) && !defined(__MINGW32__)
|
||||
bool shl_real_type(float val, wchar_t* begin) {
|
||||
using namespace std;
|
||||
const double val_as_double = val;
|
||||
finish = start + swprintf(begin, CharacterBufferSize,
|
||||
L"%.*g",
|
||||
static_cast<int>(boost::detail::lcast_get_precision<float >()),
|
||||
val_as_double );
|
||||
return finish > start;
|
||||
}
|
||||
|
||||
bool shl_real_type(double val, wchar_t* begin) {
|
||||
using namespace std;
|
||||
finish = start + swprintf(begin, CharacterBufferSize,
|
||||
L"%.*g", static_cast<int>(boost::detail::lcast_get_precision<double >()), val );
|
||||
return finish > start;
|
||||
}
|
||||
|
||||
bool shl_real_type(long double val, wchar_t* begin) {
|
||||
using namespace std;
|
||||
finish = start + swprintf(begin, CharacterBufferSize,
|
||||
L"%.*Lg", static_cast<int>(boost::detail::lcast_get_precision<long double >()), val );
|
||||
return finish > start;
|
||||
}
|
||||
#endif
|
||||
template <class T>
|
||||
bool shl_real(T val) {
|
||||
CharT* tmp_finish = buffer + CharacterBufferSize;
|
||||
if (put_inf_nan(buffer, tmp_finish, val)) {
|
||||
finish = tmp_finish;
|
||||
return true;
|
||||
}
|
||||
|
||||
return shl_real_type(val, static_cast<CharT*>(buffer));
|
||||
}
|
||||
|
||||
/************************************ OPERATORS << ( ... ) ********************************/
|
||||
public:
|
||||
template<class Alloc>
|
||||
bool operator<<(std::basic_string<CharT,Traits,Alloc> const& str) BOOST_NOEXCEPT {
|
||||
start = str.data();
|
||||
finish = start + str.length();
|
||||
return true;
|
||||
}
|
||||
|
||||
template<class Alloc>
|
||||
bool operator<<(boost::container::basic_string<CharT,Traits,Alloc> const& str) BOOST_NOEXCEPT {
|
||||
start = str.data();
|
||||
finish = start + str.length();
|
||||
return true;
|
||||
}
|
||||
|
||||
bool operator<<(bool value) BOOST_NOEXCEPT {
|
||||
CharT const czero = lcast_char_constants<CharT>::zero;
|
||||
Traits::assign(buffer[0], Traits::to_char_type(czero + value));
|
||||
finish = start + 1;
|
||||
return true;
|
||||
}
|
||||
|
||||
template <class C>
|
||||
BOOST_DEDUCED_TYPENAME boost::disable_if<boost::is_const<C>, bool>::type
|
||||
operator<<(const iterator_range<C*>& rng) BOOST_NOEXCEPT {
|
||||
return (*this) << iterator_range<const C*>(rng.begin(), rng.end());
|
||||
}
|
||||
|
||||
bool operator<<(const iterator_range<const CharT*>& rng) BOOST_NOEXCEPT {
|
||||
start = rng.begin();
|
||||
finish = rng.end();
|
||||
return true;
|
||||
}
|
||||
|
||||
bool operator<<(const iterator_range<const signed char*>& rng) BOOST_NOEXCEPT {
|
||||
return (*this) << iterator_range<const char*>(
|
||||
reinterpret_cast<const char*>(rng.begin()),
|
||||
reinterpret_cast<const char*>(rng.end())
|
||||
);
|
||||
}
|
||||
|
||||
bool operator<<(const iterator_range<const unsigned char*>& rng) BOOST_NOEXCEPT {
|
||||
return (*this) << iterator_range<const char*>(
|
||||
reinterpret_cast<const char*>(rng.begin()),
|
||||
reinterpret_cast<const char*>(rng.end())
|
||||
);
|
||||
}
|
||||
|
||||
bool operator<<(char ch) { return shl_char(ch); }
|
||||
bool operator<<(unsigned char ch) { return ((*this) << static_cast<char>(ch)); }
|
||||
bool operator<<(signed char ch) { return ((*this) << static_cast<char>(ch)); }
|
||||
#if !defined(BOOST_LCAST_NO_WCHAR_T)
|
||||
bool operator<<(wchar_t const* str) { return shl_char_array(str); }
|
||||
bool operator<<(wchar_t * str) { return shl_char_array(str); }
|
||||
#ifndef BOOST_NO_INTRINSIC_WCHAR_T
|
||||
bool operator<<(wchar_t ch) { return shl_char(ch); }
|
||||
#endif
|
||||
#endif
|
||||
#if !defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS)
|
||||
bool operator<<(char16_t ch) { return shl_char(ch); }
|
||||
bool operator<<(char16_t * str) { return shl_char_array(str); }
|
||||
bool operator<<(char16_t const * str) { return shl_char_array(str); }
|
||||
#endif
|
||||
#if !defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS)
|
||||
bool operator<<(char32_t ch) { return shl_char(ch); }
|
||||
bool operator<<(char32_t * str) { return shl_char_array(str); }
|
||||
bool operator<<(char32_t const * str) { return shl_char_array(str); }
|
||||
#endif
|
||||
bool operator<<(unsigned char const* ch) { return ((*this) << reinterpret_cast<char const*>(ch)); }
|
||||
bool operator<<(unsigned char * ch) { return ((*this) << reinterpret_cast<char *>(ch)); }
|
||||
bool operator<<(signed char const* ch) { return ((*this) << reinterpret_cast<char const*>(ch)); }
|
||||
bool operator<<(signed char * ch) { return ((*this) << reinterpret_cast<char *>(ch)); }
|
||||
bool operator<<(char const* str) { return shl_char_array(str); }
|
||||
bool operator<<(char* str) { return shl_char_array(str); }
|
||||
bool operator<<(short n) { return shl_signed(n); }
|
||||
bool operator<<(int n) { return shl_signed(n); }
|
||||
bool operator<<(long n) { return shl_signed(n); }
|
||||
bool operator<<(unsigned short n) { return shl_unsigned(n); }
|
||||
bool operator<<(unsigned int n) { return shl_unsigned(n); }
|
||||
bool operator<<(unsigned long n) { return shl_unsigned(n); }
|
||||
|
||||
#if defined(BOOST_HAS_LONG_LONG)
|
||||
bool operator<<(boost::ulong_long_type n) { return shl_unsigned(n); }
|
||||
bool operator<<(boost::long_long_type n) { return shl_signed(n); }
|
||||
#elif defined(BOOST_HAS_MS_INT64)
|
||||
bool operator<<(unsigned __int64 n) { return shl_unsigned(n); }
|
||||
bool operator<<( __int64 n) { return shl_signed(n); }
|
||||
#endif
|
||||
|
||||
#ifdef BOOST_HAS_INT128
|
||||
bool operator<<(const boost::uint128_type& n) { return shl_unsigned(n); }
|
||||
bool operator<<(const boost::int128_type& n) { return shl_signed(n); }
|
||||
#endif
|
||||
bool operator<<(float val) { return shl_real(val); }
|
||||
bool operator<<(double val) { return shl_real(val); }
|
||||
bool operator<<(long double val) {
|
||||
#ifndef __MINGW32__
|
||||
return shl_real(val);
|
||||
#else
|
||||
return shl_real(static_cast<double>(val));
|
||||
#endif
|
||||
}
|
||||
|
||||
// Adding constness to characters. Constness does not change layout
|
||||
template <class C, std::size_t N>
|
||||
BOOST_DEDUCED_TYPENAME boost::disable_if<boost::is_const<C>, bool>::type
|
||||
operator<<(boost::array<C, N> const& input) BOOST_NOEXCEPT {
|
||||
BOOST_STATIC_ASSERT_MSG(
|
||||
(sizeof(boost::array<const C, N>) == sizeof(boost::array<C, N>)),
|
||||
"boost::array<C, N> and boost::array<const C, N> must have exactly the same layout."
|
||||
);
|
||||
return ((*this) << reinterpret_cast<boost::array<const C, N> const& >(input));
|
||||
}
|
||||
|
||||
template <std::size_t N>
|
||||
bool operator<<(boost::array<const CharT, N> const& input) BOOST_NOEXCEPT {
|
||||
return shl_char_array_limited(input.begin(), N);
|
||||
}
|
||||
|
||||
template <std::size_t N>
|
||||
bool operator<<(boost::array<const unsigned char, N> const& input) BOOST_NOEXCEPT {
|
||||
return ((*this) << reinterpret_cast<boost::array<const char, N> const& >(input));
|
||||
}
|
||||
|
||||
template <std::size_t N>
|
||||
bool operator<<(boost::array<const signed char, N> const& input) BOOST_NOEXCEPT {
|
||||
return ((*this) << reinterpret_cast<boost::array<const char, N> const& >(input));
|
||||
}
|
||||
|
||||
#ifndef BOOST_NO_CXX11_HDR_ARRAY
|
||||
// Making a Boost.Array from std::array
|
||||
template <class C, std::size_t N>
|
||||
bool operator<<(std::array<C, N> const& input) BOOST_NOEXCEPT {
|
||||
BOOST_STATIC_ASSERT_MSG(
|
||||
(sizeof(std::array<C, N>) == sizeof(boost::array<C, N>)),
|
||||
"std::array and boost::array must have exactly the same layout. "
|
||||
"Bug in implementation of std::array or boost::array."
|
||||
);
|
||||
return ((*this) << reinterpret_cast<boost::array<C, N> const& >(input));
|
||||
}
|
||||
#endif
|
||||
template <class InStreamable>
|
||||
bool operator<<(const InStreamable& input) { return shl_input_streamable(input); }
|
||||
};
|
||||
|
||||
|
||||
template <class CharT, class Traits>
|
||||
class lexical_ostream_limited_src: boost::noncopyable {
|
||||
//`[start, finish)` is the range to output by `operator >>`
|
||||
const CharT* start;
|
||||
const CharT* const finish;
|
||||
|
||||
public:
|
||||
lexical_ostream_limited_src(const CharT* begin, const CharT* end) BOOST_NOEXCEPT
|
||||
: start(begin)
|
||||
, finish(end)
|
||||
{}
|
||||
|
||||
/************************************ HELPER FUNCTIONS FOR OPERATORS >> ( ... ) ********************************/
|
||||
private:
|
||||
template <typename Type>
|
||||
bool shr_unsigned(Type& output) {
|
||||
if (start == finish) return false;
|
||||
CharT const minus = lcast_char_constants<CharT>::minus;
|
||||
CharT const plus = lcast_char_constants<CharT>::plus;
|
||||
bool const has_minus = Traits::eq(minus, *start);
|
||||
|
||||
/* We won`t use `start' any more, so no need in decrementing it after */
|
||||
if (has_minus || Traits::eq(plus, *start)) {
|
||||
++start;
|
||||
}
|
||||
|
||||
bool const succeed = lcast_ret_unsigned<Traits, Type, CharT>(output, start, finish).convert();
|
||||
|
||||
if (has_minus) {
|
||||
output = static_cast<Type>(0u - output);
|
||||
}
|
||||
|
||||
return succeed;
|
||||
}
|
||||
|
||||
template <typename Type>
|
||||
bool shr_signed(Type& output) {
|
||||
if (start == finish) return false;
|
||||
CharT const minus = lcast_char_constants<CharT>::minus;
|
||||
CharT const plus = lcast_char_constants<CharT>::plus;
|
||||
typedef BOOST_DEDUCED_TYPENAME make_unsigned<Type>::type utype;
|
||||
utype out_tmp = 0;
|
||||
bool const has_minus = Traits::eq(minus, *start);
|
||||
|
||||
/* We won`t use `start' any more, so no need in decrementing it after */
|
||||
if (has_minus || Traits::eq(plus, *start)) {
|
||||
++start;
|
||||
}
|
||||
|
||||
bool succeed = lcast_ret_unsigned<Traits, utype, CharT>(out_tmp, start, finish).convert();
|
||||
if (has_minus) {
|
||||
utype const comp_val = (static_cast<utype>(1) << std::numeric_limits<Type>::digits);
|
||||
succeed = succeed && out_tmp<=comp_val;
|
||||
output = static_cast<Type>(0u - out_tmp);
|
||||
} else {
|
||||
utype const comp_val = static_cast<utype>((std::numeric_limits<Type>::max)());
|
||||
succeed = succeed && out_tmp<=comp_val;
|
||||
output = static_cast<Type>(out_tmp);
|
||||
}
|
||||
return succeed;
|
||||
}
|
||||
|
||||
template<typename InputStreamable>
|
||||
bool shr_using_base_class(InputStreamable& output)
|
||||
{
|
||||
BOOST_STATIC_ASSERT_MSG(
|
||||
(!boost::is_pointer<InputStreamable>::value),
|
||||
"boost::lexical_cast can not convert to pointers"
|
||||
);
|
||||
|
||||
#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_LOCALE)
|
||||
BOOST_STATIC_ASSERT_MSG((boost::is_same<char, CharT>::value),
|
||||
"boost::lexical_cast can not convert, because your STL library does not "
|
||||
"support such conversions. Try updating it."
|
||||
);
|
||||
#endif
|
||||
typedef BOOST_DEDUCED_TYPENAME out_stream_helper_trait<CharT, Traits>::buffer_t
|
||||
buffer_t;
|
||||
|
||||
#if defined(BOOST_NO_STRINGSTREAM)
|
||||
std::istrstream stream(start, finish - start);
|
||||
#else
|
||||
|
||||
buffer_t buf;
|
||||
// Usually `istream` and `basic_istream` do not modify
|
||||
// content of buffer; `buffer_t` assures that this is true
|
||||
buf.setbuf(const_cast<CharT*>(start), finish - start);
|
||||
#if defined(BOOST_NO_STD_LOCALE)
|
||||
std::istream stream(&buf);
|
||||
#else
|
||||
std::basic_istream<CharT, Traits> stream(&buf);
|
||||
#endif // BOOST_NO_STD_LOCALE
|
||||
#endif // BOOST_NO_STRINGSTREAM
|
||||
|
||||
#ifndef BOOST_NO_EXCEPTIONS
|
||||
stream.exceptions(std::ios::badbit);
|
||||
try {
|
||||
#endif
|
||||
stream.unsetf(std::ios::skipws);
|
||||
lcast_set_precision(stream, static_cast<InputStreamable*>(0));
|
||||
|
||||
return (stream >> output)
|
||||
&& (stream.get() == Traits::eof());
|
||||
|
||||
#ifndef BOOST_NO_EXCEPTIONS
|
||||
} catch (const ::std::ios_base::failure& /*f*/) {
|
||||
return false;
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
||||
template<class T>
|
||||
inline bool shr_xchar(T& output) BOOST_NOEXCEPT {
|
||||
BOOST_STATIC_ASSERT_MSG(( sizeof(CharT) == sizeof(T) ),
|
||||
"boost::lexical_cast does not support narrowing of character types."
|
||||
"Use boost::locale instead" );
|
||||
bool const ok = (finish - start == 1);
|
||||
if (ok) {
|
||||
CharT out;
|
||||
Traits::assign(out, *start);
|
||||
output = static_cast<T>(out);
|
||||
}
|
||||
return ok;
|
||||
}
|
||||
|
||||
template <std::size_t N, class ArrayT>
|
||||
bool shr_std_array(ArrayT& output) BOOST_NOEXCEPT {
|
||||
using namespace std;
|
||||
const std::size_t size = static_cast<std::size_t>(finish - start);
|
||||
if (size > N - 1) { // `-1` because we need to store \0 at the end
|
||||
return false;
|
||||
}
|
||||
|
||||
memcpy(&output[0], start, size * sizeof(CharT));
|
||||
output[size] = Traits::to_char_type(0);
|
||||
return true;
|
||||
}
|
||||
|
||||
/************************************ OPERATORS >> ( ... ) ********************************/
|
||||
public:
|
||||
bool operator>>(unsigned short& output) { return shr_unsigned(output); }
|
||||
bool operator>>(unsigned int& output) { return shr_unsigned(output); }
|
||||
bool operator>>(unsigned long int& output) { return shr_unsigned(output); }
|
||||
bool operator>>(short& output) { return shr_signed(output); }
|
||||
bool operator>>(int& output) { return shr_signed(output); }
|
||||
bool operator>>(long int& output) { return shr_signed(output); }
|
||||
#if defined(BOOST_HAS_LONG_LONG)
|
||||
bool operator>>(boost::ulong_long_type& output) { return shr_unsigned(output); }
|
||||
bool operator>>(boost::long_long_type& output) { return shr_signed(output); }
|
||||
#elif defined(BOOST_HAS_MS_INT64)
|
||||
bool operator>>(unsigned __int64& output) { return shr_unsigned(output); }
|
||||
bool operator>>(__int64& output) { return shr_signed(output); }
|
||||
#endif
|
||||
|
||||
#ifdef BOOST_HAS_INT128
|
||||
bool operator>>(boost::uint128_type& output) { return shr_unsigned(output); }
|
||||
bool operator>>(boost::int128_type& output) { return shr_signed(output); }
|
||||
#endif
|
||||
|
||||
bool operator>>(char& output) { return shr_xchar(output); }
|
||||
bool operator>>(unsigned char& output) { return shr_xchar(output); }
|
||||
bool operator>>(signed char& output) { return shr_xchar(output); }
|
||||
#if !defined(BOOST_LCAST_NO_WCHAR_T) && !defined(BOOST_NO_INTRINSIC_WCHAR_T)
|
||||
bool operator>>(wchar_t& output) { return shr_xchar(output); }
|
||||
#endif
|
||||
#if !defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS)
|
||||
bool operator>>(char16_t& output) { return shr_xchar(output); }
|
||||
#endif
|
||||
#if !defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS)
|
||||
bool operator>>(char32_t& output) { return shr_xchar(output); }
|
||||
#endif
|
||||
template<class Alloc>
|
||||
bool operator>>(std::basic_string<CharT,Traits,Alloc>& str) {
|
||||
str.assign(start, finish); return true;
|
||||
}
|
||||
|
||||
template<class Alloc>
|
||||
bool operator>>(boost::container::basic_string<CharT,Traits,Alloc>& str) {
|
||||
str.assign(start, finish); return true;
|
||||
}
|
||||
|
||||
template <std::size_t N>
|
||||
bool operator>>(boost::array<CharT, N>& output) BOOST_NOEXCEPT {
|
||||
return shr_std_array<N>(output);
|
||||
}
|
||||
|
||||
template <std::size_t N>
|
||||
bool operator>>(boost::array<unsigned char, N>& output) BOOST_NOEXCEPT {
|
||||
return ((*this) >> reinterpret_cast<boost::array<char, N>& >(output));
|
||||
}
|
||||
|
||||
template <std::size_t N>
|
||||
bool operator>>(boost::array<signed char, N>& output) BOOST_NOEXCEPT {
|
||||
return ((*this) >> reinterpret_cast<boost::array<char, N>& >(output));
|
||||
}
|
||||
|
||||
#ifndef BOOST_NO_CXX11_HDR_ARRAY
|
||||
template <class C, std::size_t N>
|
||||
bool operator>>(std::array<C, N>& output) BOOST_NOEXCEPT {
|
||||
BOOST_STATIC_ASSERT_MSG(
|
||||
(sizeof(boost::array<C, N>) == sizeof(boost::array<C, N>)),
|
||||
"std::array<C, N> and boost::array<C, N> must have exactly the same layout."
|
||||
);
|
||||
return ((*this) >> reinterpret_cast<boost::array<C, N>& >(output));
|
||||
}
|
||||
#endif
|
||||
|
||||
bool operator>>(bool& output) BOOST_NOEXCEPT {
|
||||
output = false; // Suppress warning about uninitalized variable
|
||||
|
||||
if (start == finish) return false;
|
||||
CharT const zero = lcast_char_constants<CharT>::zero;
|
||||
CharT const plus = lcast_char_constants<CharT>::plus;
|
||||
CharT const minus = lcast_char_constants<CharT>::minus;
|
||||
|
||||
const CharT* const dec_finish = finish - 1;
|
||||
output = Traits::eq(*dec_finish, zero + 1);
|
||||
if (!output && !Traits::eq(*dec_finish, zero)) {
|
||||
return false; // Does not ends on '0' or '1'
|
||||
}
|
||||
|
||||
if (start == dec_finish) return true;
|
||||
|
||||
// We may have sign at the beginning
|
||||
if (Traits::eq(plus, *start) || (Traits::eq(minus, *start) && !output)) {
|
||||
++ start;
|
||||
}
|
||||
|
||||
// Skipping zeros
|
||||
while (start != dec_finish) {
|
||||
if (!Traits::eq(zero, *start)) {
|
||||
return false; // Not a zero => error
|
||||
}
|
||||
|
||||
++ start;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
private:
|
||||
// Not optimised converter
|
||||
template <class T>
|
||||
bool float_types_converter_internal(T& output) {
|
||||
if (parse_inf_nan(start, finish, output)) return true;
|
||||
bool const return_value = shr_using_base_class(output);
|
||||
|
||||
/* Some compilers and libraries successfully
|
||||
* parse 'inf', 'INFINITY', '1.0E', '1.0E-'...
|
||||
* We are trying to provide a unified behaviour,
|
||||
* so we just forbid such conversions (as some
|
||||
* of the most popular compilers/libraries do)
|
||||
* */
|
||||
CharT const minus = lcast_char_constants<CharT>::minus;
|
||||
CharT const plus = lcast_char_constants<CharT>::plus;
|
||||
CharT const capital_e = lcast_char_constants<CharT>::capital_e;
|
||||
CharT const lowercase_e = lcast_char_constants<CharT>::lowercase_e;
|
||||
if ( return_value &&
|
||||
(
|
||||
Traits::eq(*(finish-1), lowercase_e) // 1.0e
|
||||
|| Traits::eq(*(finish-1), capital_e) // 1.0E
|
||||
|| Traits::eq(*(finish-1), minus) // 1.0e- or 1.0E-
|
||||
|| Traits::eq(*(finish-1), plus) // 1.0e+ or 1.0E+
|
||||
)
|
||||
) return false;
|
||||
|
||||
return return_value;
|
||||
}
|
||||
|
||||
public:
|
||||
bool operator>>(float& output) { return float_types_converter_internal(output); }
|
||||
bool operator>>(double& output) { return float_types_converter_internal(output); }
|
||||
bool operator>>(long double& output) { return float_types_converter_internal(output); }
|
||||
|
||||
// Generic istream-based algorithm.
|
||||
// lcast_streambuf_for_target<InputStreamable>::value is true.
|
||||
template <typename InputStreamable>
|
||||
bool operator>>(InputStreamable& output) {
|
||||
return shr_using_base_class(output);
|
||||
}
|
||||
};
|
||||
}
|
||||
} // namespace boost
|
||||
|
||||
#undef BOOST_LCAST_NO_WCHAR_T
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_DETAIL_CONVERTER_LEXICAL_HPP
|
||||
|
||||
194
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/converter_numeric.hpp
vendored
Normal file
194
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/converter_numeric.hpp
vendored
Normal file
@@ -0,0 +1,194 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2014.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_DETAIL_CONVERTER_NUMERIC_HPP
|
||||
#define BOOST_LEXICAL_CAST_DETAIL_CONVERTER_NUMERIC_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
#include <boost/limits.hpp>
|
||||
#include <boost/mpl/eval_if.hpp>
|
||||
#include <boost/mpl/identity.hpp>
|
||||
#include <boost/mpl/if.hpp>
|
||||
#include <boost/type_traits/make_unsigned.hpp>
|
||||
#include <boost/type_traits/is_signed.hpp>
|
||||
#include <boost/type_traits/is_integral.hpp>
|
||||
#include <boost/type_traits/is_arithmetic.hpp>
|
||||
#include <boost/type_traits/is_base_of.hpp>
|
||||
#include <boost/type_traits/is_float.hpp>
|
||||
|
||||
#include <boost/numeric/conversion/cast.hpp>
|
||||
|
||||
namespace boost { namespace detail {
|
||||
|
||||
template <class Source >
|
||||
struct detect_precision_loss
|
||||
{
|
||||
typedef Source source_type;
|
||||
typedef boost::numeric::Trunc<Source> Rounder;
|
||||
typedef BOOST_DEDUCED_TYPENAME mpl::if_<
|
||||
boost::is_arithmetic<Source>, Source, Source const&
|
||||
>::type argument_type ;
|
||||
|
||||
static inline source_type nearbyint(argument_type s, bool& is_ok) BOOST_NOEXCEPT {
|
||||
const source_type near_int = Rounder::nearbyint(s);
|
||||
if (near_int && is_ok) {
|
||||
const source_type orig_div_round = s / near_int;
|
||||
const source_type eps = std::numeric_limits<source_type>::epsilon();
|
||||
|
||||
is_ok = !((orig_div_round > 1 ? orig_div_round - 1 : 1 - orig_div_round) > eps);
|
||||
}
|
||||
|
||||
return s;
|
||||
}
|
||||
|
||||
typedef typename Rounder::round_style round_style;
|
||||
};
|
||||
|
||||
template <typename Base, class Source>
|
||||
struct fake_precision_loss: public Base
|
||||
{
|
||||
typedef Source source_type ;
|
||||
typedef BOOST_DEDUCED_TYPENAME mpl::if_<
|
||||
boost::is_arithmetic<Source>, Source, Source const&
|
||||
>::type argument_type ;
|
||||
|
||||
static inline source_type nearbyint(argument_type s, bool& /*is_ok*/) BOOST_NOEXCEPT {
|
||||
return s;
|
||||
}
|
||||
};
|
||||
|
||||
struct nothrow_overflow_handler
|
||||
{
|
||||
inline bool operator() ( boost::numeric::range_check_result r ) const BOOST_NOEXCEPT {
|
||||
return (r == boost::numeric::cInRange);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Target, typename Source>
|
||||
inline bool noexcept_numeric_convert(const Source& arg, Target& result) BOOST_NOEXCEPT {
|
||||
typedef boost::numeric::converter<
|
||||
Target,
|
||||
Source,
|
||||
boost::numeric::conversion_traits<Target, Source >,
|
||||
nothrow_overflow_handler,
|
||||
detect_precision_loss<Source >
|
||||
> converter_orig_t;
|
||||
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
|
||||
boost::is_base_of< detect_precision_loss<Source >, converter_orig_t >::value,
|
||||
converter_orig_t,
|
||||
fake_precision_loss<converter_orig_t, Source>
|
||||
>::type converter_t;
|
||||
|
||||
bool res = nothrow_overflow_handler()(converter_t::out_of_range(arg));
|
||||
result = converter_t::low_level_convert(converter_t::nearbyint(arg, res));
|
||||
return res;
|
||||
}
|
||||
|
||||
template <typename Target, typename Source>
|
||||
struct lexical_cast_dynamic_num_not_ignoring_minus
|
||||
{
|
||||
static inline bool try_convert(const Source &arg, Target& result) BOOST_NOEXCEPT {
|
||||
return noexcept_numeric_convert<Target, Source >(arg, result);
|
||||
}
|
||||
};
|
||||
|
||||
template <typename Target, typename Source>
|
||||
struct lexical_cast_dynamic_num_ignoring_minus
|
||||
{
|
||||
static inline bool try_convert(const Source &arg, Target& result) BOOST_NOEXCEPT {
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::eval_if_c<
|
||||
boost::is_float<Source>::value,
|
||||
boost::mpl::identity<Source>,
|
||||
boost::make_unsigned<Source>
|
||||
>::type usource_t;
|
||||
|
||||
if (arg < 0) {
|
||||
const bool res = noexcept_numeric_convert<Target, usource_t>(0u - arg, result);
|
||||
result = static_cast<Target>(0u - result);
|
||||
return res;
|
||||
} else {
|
||||
return noexcept_numeric_convert<Target, usource_t>(arg, result);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
/*
|
||||
* lexical_cast_dynamic_num follows the rules:
|
||||
* 1) If Source can be converted to Target without precision loss and
|
||||
* without overflows, then assign Source to Target and return
|
||||
*
|
||||
* 2) If Source is less than 0 and Target is an unsigned integer,
|
||||
* then negate Source, check the requirements of rule 1) and if
|
||||
* successful, assign static_casted Source to Target and return
|
||||
*
|
||||
* 3) Otherwise throw a bad_lexical_cast exception
|
||||
*
|
||||
*
|
||||
* Rule 2) required because boost::lexical_cast has the behavior of
|
||||
* stringstream, which uses the rules of scanf for conversions. And
|
||||
* in the C99 standard for unsigned input value minus sign is
|
||||
* optional, so if a negative number is read, no errors will arise
|
||||
* and the result will be the two's complement.
|
||||
*/
|
||||
template <typename Target, typename Source>
|
||||
struct dynamic_num_converter_impl
|
||||
{
|
||||
static inline bool try_convert(const Source &arg, Target& result) BOOST_NOEXCEPT {
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
|
||||
boost::is_unsigned<Target>::value &&
|
||||
(boost::is_signed<Source>::value || boost::is_float<Source>::value) &&
|
||||
!(boost::is_same<Source, bool>::value) &&
|
||||
!(boost::is_same<Target, bool>::value),
|
||||
lexical_cast_dynamic_num_ignoring_minus<Target, Source>,
|
||||
lexical_cast_dynamic_num_not_ignoring_minus<Target, Source>
|
||||
>::type caster_type;
|
||||
|
||||
#if 0
|
||||
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_<
|
||||
BOOST_DEDUCED_TYPENAME boost::mpl::and_<
|
||||
boost::is_unsigned<Target>,
|
||||
boost::mpl::or_<
|
||||
boost::is_signed<Source>,
|
||||
boost::is_float<Source>
|
||||
>,
|
||||
boost::mpl::not_<
|
||||
boost::is_same<Source, bool>
|
||||
>,
|
||||
boost::mpl::not_<
|
||||
boost::is_same<Target, bool>
|
||||
>
|
||||
>::type,
|
||||
lexical_cast_dynamic_num_ignoring_minus<Target, Source>,
|
||||
lexical_cast_dynamic_num_not_ignoring_minus<Target, Source>
|
||||
>::type caster_type;
|
||||
|
||||
#endif
|
||||
|
||||
return caster_type::try_convert(arg, result);
|
||||
}
|
||||
};
|
||||
|
||||
}} // namespace boost::detail
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_DETAIL_CONVERTER_NUMERIC_HPP
|
||||
|
||||
197
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/inf_nan.hpp
vendored
Normal file
197
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/inf_nan.hpp
vendored
Normal file
@@ -0,0 +1,197 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2014.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_DETAIL_INF_NAN_HPP
|
||||
#define BOOST_LEXICAL_CAST_DETAIL_INF_NAN_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
#if defined(BOOST_NO_STRINGSTREAM) || defined(BOOST_NO_STD_WSTRING)
|
||||
#define BOOST_LCAST_NO_WCHAR_T
|
||||
#endif
|
||||
|
||||
#include <cstddef>
|
||||
#include <cstring>
|
||||
#include <boost/limits.hpp>
|
||||
#include <boost/detail/workaround.hpp>
|
||||
#include <boost/math/special_functions/sign.hpp>
|
||||
#include <boost/math/special_functions/fpclassify.hpp>
|
||||
|
||||
#include <boost/lexical_cast/detail/lcast_char_constants.hpp>
|
||||
|
||||
namespace boost {
|
||||
namespace detail
|
||||
{
|
||||
template <class CharT>
|
||||
bool lc_iequal(const CharT* val, const CharT* lcase, const CharT* ucase, unsigned int len) BOOST_NOEXCEPT {
|
||||
for( unsigned int i=0; i < len; ++i ) {
|
||||
if ( val[i] != lcase[i] && val[i] != ucase[i] ) return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Returns true and sets the correct value if found NaN or Inf. */
|
||||
template <class CharT, class T>
|
||||
inline bool parse_inf_nan_impl(const CharT* begin, const CharT* end, T& value
|
||||
, const CharT* lc_NAN, const CharT* lc_nan
|
||||
, const CharT* lc_INFINITY, const CharT* lc_infinity
|
||||
, const CharT opening_brace, const CharT closing_brace) BOOST_NOEXCEPT
|
||||
{
|
||||
using namespace std;
|
||||
if (begin == end) return false;
|
||||
const CharT minus = lcast_char_constants<CharT>::minus;
|
||||
const CharT plus = lcast_char_constants<CharT>::plus;
|
||||
const int inifinity_size = 8; // == sizeof("infinity") - 1
|
||||
|
||||
/* Parsing +/- */
|
||||
bool const has_minus = (*begin == minus);
|
||||
if (has_minus || *begin == plus) {
|
||||
++ begin;
|
||||
}
|
||||
|
||||
if (end - begin < 3) return false;
|
||||
if (lc_iequal(begin, lc_nan, lc_NAN, 3)) {
|
||||
begin += 3;
|
||||
if (end != begin) {
|
||||
/* It is 'nan(...)' or some bad input*/
|
||||
|
||||
if (end - begin < 2) return false; // bad input
|
||||
-- end;
|
||||
if (*begin != opening_brace || *end != closing_brace) return false; // bad input
|
||||
}
|
||||
|
||||
if( !has_minus ) value = std::numeric_limits<T>::quiet_NaN();
|
||||
else value = (boost::math::changesign) (std::numeric_limits<T>::quiet_NaN());
|
||||
return true;
|
||||
} else if (
|
||||
( /* 'INF' or 'inf' */
|
||||
end - begin == 3 // 3 == sizeof('inf') - 1
|
||||
&& lc_iequal(begin, lc_infinity, lc_INFINITY, 3)
|
||||
)
|
||||
||
|
||||
( /* 'INFINITY' or 'infinity' */
|
||||
end - begin == inifinity_size
|
||||
&& lc_iequal(begin, lc_infinity, lc_INFINITY, inifinity_size)
|
||||
)
|
||||
)
|
||||
{
|
||||
if( !has_minus ) value = std::numeric_limits<T>::infinity();
|
||||
else value = (boost::math::changesign) (std::numeric_limits<T>::infinity());
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
template <class CharT, class T>
|
||||
bool put_inf_nan_impl(CharT* begin, CharT*& end, const T& value
|
||||
, const CharT* lc_nan
|
||||
, const CharT* lc_infinity) BOOST_NOEXCEPT
|
||||
{
|
||||
using namespace std;
|
||||
const CharT minus = lcast_char_constants<CharT>::minus;
|
||||
if ((boost::math::isnan)(value)) {
|
||||
if ((boost::math::signbit)(value)) {
|
||||
*begin = minus;
|
||||
++ begin;
|
||||
}
|
||||
|
||||
memcpy(begin, lc_nan, 3 * sizeof(CharT));
|
||||
end = begin + 3;
|
||||
return true;
|
||||
} else if ((boost::math::isinf)(value)) {
|
||||
if ((boost::math::signbit)(value)) {
|
||||
*begin = minus;
|
||||
++ begin;
|
||||
}
|
||||
|
||||
memcpy(begin, lc_infinity, 3 * sizeof(CharT));
|
||||
end = begin + 3;
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
|
||||
#ifndef BOOST_LCAST_NO_WCHAR_T
|
||||
template <class T>
|
||||
bool parse_inf_nan(const wchar_t* begin, const wchar_t* end, T& value) BOOST_NOEXCEPT {
|
||||
return parse_inf_nan_impl(begin, end, value
|
||||
, L"NAN", L"nan"
|
||||
, L"INFINITY", L"infinity"
|
||||
, L'(', L')');
|
||||
}
|
||||
|
||||
template <class T>
|
||||
bool put_inf_nan(wchar_t* begin, wchar_t*& end, const T& value) BOOST_NOEXCEPT {
|
||||
return put_inf_nan_impl(begin, end, value, L"nan", L"infinity");
|
||||
}
|
||||
|
||||
#endif
|
||||
#if !defined(BOOST_NO_CXX11_CHAR16_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS)
|
||||
template <class T>
|
||||
bool parse_inf_nan(const char16_t* begin, const char16_t* end, T& value) BOOST_NOEXCEPT {
|
||||
return parse_inf_nan_impl(begin, end, value
|
||||
, u"NAN", u"nan"
|
||||
, u"INFINITY", u"infinity"
|
||||
, u'(', u')');
|
||||
}
|
||||
|
||||
template <class T>
|
||||
bool put_inf_nan(char16_t* begin, char16_t*& end, const T& value) BOOST_NOEXCEPT {
|
||||
return put_inf_nan_impl(begin, end, value, u"nan", u"infinity");
|
||||
}
|
||||
#endif
|
||||
#if !defined(BOOST_NO_CXX11_CHAR32_T) && !defined(BOOST_NO_CXX11_UNICODE_LITERALS)
|
||||
template <class T>
|
||||
bool parse_inf_nan(const char32_t* begin, const char32_t* end, T& value) BOOST_NOEXCEPT {
|
||||
return parse_inf_nan_impl(begin, end, value
|
||||
, U"NAN", U"nan"
|
||||
, U"INFINITY", U"infinity"
|
||||
, U'(', U')');
|
||||
}
|
||||
|
||||
template <class T>
|
||||
bool put_inf_nan(char32_t* begin, char32_t*& end, const T& value) BOOST_NOEXCEPT {
|
||||
return put_inf_nan_impl(begin, end, value, U"nan", U"infinity");
|
||||
}
|
||||
#endif
|
||||
|
||||
template <class CharT, class T>
|
||||
bool parse_inf_nan(const CharT* begin, const CharT* end, T& value) BOOST_NOEXCEPT {
|
||||
return parse_inf_nan_impl(begin, end, value
|
||||
, "NAN", "nan"
|
||||
, "INFINITY", "infinity"
|
||||
, '(', ')');
|
||||
}
|
||||
|
||||
template <class CharT, class T>
|
||||
bool put_inf_nan(CharT* begin, CharT*& end, const T& value) BOOST_NOEXCEPT {
|
||||
return put_inf_nan_impl(begin, end, value, "nan", "infinity");
|
||||
}
|
||||
}
|
||||
} // namespace boost
|
||||
|
||||
#undef BOOST_LCAST_NO_WCHAR_T
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_DETAIL_INF_NAN_HPP
|
||||
|
||||
58
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/is_character.hpp
vendored
Normal file
58
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/is_character.hpp
vendored
Normal file
@@ -0,0 +1,58 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2014.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_DETAIL_IS_CHARACTER_HPP
|
||||
#define BOOST_LEXICAL_CAST_DETAIL_IS_CHARACTER_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
#include <boost/mpl/bool.hpp>
|
||||
#include <boost/type_traits/is_same.hpp>
|
||||
|
||||
namespace boost {
|
||||
|
||||
namespace detail // is_character<...>
|
||||
{
|
||||
// returns true, if T is one of the character types
|
||||
template < typename T >
|
||||
struct is_character
|
||||
{
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::bool_<
|
||||
boost::is_same< T, char >::value ||
|
||||
#if !defined(BOOST_NO_STRINGSTREAM) && !defined(BOOST_NO_STD_WSTRING)
|
||||
boost::is_same< T, wchar_t >::value ||
|
||||
#endif
|
||||
#ifndef BOOST_NO_CXX11_CHAR16_T
|
||||
boost::is_same< T, char16_t >::value ||
|
||||
#endif
|
||||
#ifndef BOOST_NO_CXX11_CHAR32_T
|
||||
boost::is_same< T, char32_t >::value ||
|
||||
#endif
|
||||
boost::is_same< T, unsigned char >::value ||
|
||||
boost::is_same< T, signed char >::value
|
||||
> type;
|
||||
|
||||
BOOST_STATIC_CONSTANT(bool, value = (type::value) );
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_DETAIL_IS_CHARACTER_HPP
|
||||
|
||||
46
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/lcast_char_constants.hpp
vendored
Normal file
46
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/lcast_char_constants.hpp
vendored
Normal file
@@ -0,0 +1,46 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2014.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
|
||||
#define BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace detail // '0', '-', '+', 'e', 'E' and '.' constants
|
||||
{
|
||||
template < typename Char >
|
||||
struct lcast_char_constants {
|
||||
// We check in tests assumption that static casted character is
|
||||
// equal to correctly written C++ literal: U'0' == static_cast<char32_t>('0')
|
||||
BOOST_STATIC_CONSTANT(Char, zero = static_cast<Char>('0'));
|
||||
BOOST_STATIC_CONSTANT(Char, minus = static_cast<Char>('-'));
|
||||
BOOST_STATIC_CONSTANT(Char, plus = static_cast<Char>('+'));
|
||||
BOOST_STATIC_CONSTANT(Char, lowercase_e = static_cast<Char>('e'));
|
||||
BOOST_STATIC_CONSTANT(Char, capital_e = static_cast<Char>('E'));
|
||||
BOOST_STATIC_CONSTANT(Char, c_decimal_separator = static_cast<Char>('.'));
|
||||
};
|
||||
}
|
||||
} // namespace boost
|
||||
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_DETAIL_LCAST_CHAR_CONSTANTS_HPP
|
||||
|
||||
294
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/lcast_unsigned_converters.hpp
vendored
Normal file
294
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/lcast_unsigned_converters.hpp
vendored
Normal file
@@ -0,0 +1,294 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2014.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_DETAIL_LCAST_UNSIGNED_CONVERTERS_HPP
|
||||
#define BOOST_LEXICAL_CAST_DETAIL_LCAST_UNSIGNED_CONVERTERS_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
#include <climits>
|
||||
#include <cstddef>
|
||||
#include <string>
|
||||
#include <cstring>
|
||||
#include <cstdio>
|
||||
#include <boost/limits.hpp>
|
||||
#include <boost/mpl/if.hpp>
|
||||
#include <boost/static_assert.hpp>
|
||||
#include <boost/detail/workaround.hpp>
|
||||
|
||||
|
||||
#ifndef BOOST_NO_STD_LOCALE
|
||||
# include <locale>
|
||||
#else
|
||||
# ifndef BOOST_LEXICAL_CAST_ASSUME_C_LOCALE
|
||||
// Getting error at this point means, that your STL library is old/lame/misconfigured.
|
||||
// If nothing can be done with STL library, define BOOST_LEXICAL_CAST_ASSUME_C_LOCALE,
|
||||
// but beware: lexical_cast will understand only 'C' locale delimeters and thousands
|
||||
// separators.
|
||||
# error "Unable to use <locale> header. Define BOOST_LEXICAL_CAST_ASSUME_C_LOCALE to force "
|
||||
# error "boost::lexical_cast to use only 'C' locale during conversions."
|
||||
# endif
|
||||
#endif
|
||||
|
||||
#include <boost/lexical_cast/detail/lcast_char_constants.hpp>
|
||||
#include <boost/type_traits/make_unsigned.hpp>
|
||||
#include <boost/type_traits/is_signed.hpp>
|
||||
#include <boost/noncopyable.hpp>
|
||||
|
||||
namespace boost
|
||||
{
|
||||
namespace detail // lcast_to_unsigned
|
||||
{
|
||||
template<class T>
|
||||
inline
|
||||
BOOST_DEDUCED_TYPENAME boost::make_unsigned<T>::type lcast_to_unsigned(const T value) BOOST_NOEXCEPT {
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::make_unsigned<T>::type result_type;
|
||||
return value < 0
|
||||
? static_cast<result_type>(0u - static_cast<result_type>(value))
|
||||
: static_cast<result_type>(value);
|
||||
}
|
||||
}
|
||||
|
||||
namespace detail // lcast_put_unsigned
|
||||
{
|
||||
template <class Traits, class T, class CharT>
|
||||
class lcast_put_unsigned: boost::noncopyable {
|
||||
typedef BOOST_DEDUCED_TYPENAME Traits::int_type int_type;
|
||||
BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
|
||||
(sizeof(int_type) > sizeof(T))
|
||||
, int_type
|
||||
, T
|
||||
>::type m_value;
|
||||
CharT* m_finish;
|
||||
CharT const m_czero;
|
||||
int_type const m_zero;
|
||||
|
||||
public:
|
||||
lcast_put_unsigned(const T n_param, CharT* finish) BOOST_NOEXCEPT
|
||||
: m_value(n_param), m_finish(finish)
|
||||
, m_czero(lcast_char_constants<CharT>::zero), m_zero(Traits::to_int_type(m_czero))
|
||||
{
|
||||
#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
|
||||
BOOST_STATIC_ASSERT(!std::numeric_limits<T>::is_signed);
|
||||
#endif
|
||||
}
|
||||
|
||||
CharT* convert() {
|
||||
#ifndef BOOST_LEXICAL_CAST_ASSUME_C_LOCALE
|
||||
std::locale loc;
|
||||
if (loc == std::locale::classic()) {
|
||||
return main_convert_loop();
|
||||
}
|
||||
|
||||
typedef std::numpunct<CharT> numpunct;
|
||||
numpunct const& np = BOOST_USE_FACET(numpunct, loc);
|
||||
std::string const grouping = np.grouping();
|
||||
std::string::size_type const grouping_size = grouping.size();
|
||||
|
||||
if (!grouping_size || grouping[0] <= 0) {
|
||||
return main_convert_loop();
|
||||
}
|
||||
|
||||
#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
|
||||
// Check that ulimited group is unreachable:
|
||||
BOOST_STATIC_ASSERT(std::numeric_limits<T>::digits10 < CHAR_MAX);
|
||||
#endif
|
||||
CharT const thousands_sep = np.thousands_sep();
|
||||
std::string::size_type group = 0; // current group number
|
||||
char last_grp_size = grouping[0];
|
||||
char left = last_grp_size;
|
||||
|
||||
do {
|
||||
if (left == 0) {
|
||||
++group;
|
||||
if (group < grouping_size) {
|
||||
char const grp_size = grouping[group];
|
||||
last_grp_size = (grp_size <= 0 ? static_cast<char>(CHAR_MAX) : grp_size);
|
||||
}
|
||||
|
||||
left = last_grp_size;
|
||||
--m_finish;
|
||||
Traits::assign(*m_finish, thousands_sep);
|
||||
}
|
||||
|
||||
--left;
|
||||
} while (main_convert_iteration());
|
||||
|
||||
return m_finish;
|
||||
#else
|
||||
return main_convert_loop();
|
||||
#endif
|
||||
}
|
||||
|
||||
private:
|
||||
inline bool main_convert_iteration() BOOST_NOEXCEPT {
|
||||
--m_finish;
|
||||
int_type const digit = static_cast<int_type>(m_value % 10U);
|
||||
Traits::assign(*m_finish, Traits::to_char_type(m_zero + digit));
|
||||
m_value /= 10;
|
||||
return !!m_value; // suppressing warnings
|
||||
}
|
||||
|
||||
inline CharT* main_convert_loop() BOOST_NOEXCEPT {
|
||||
while (main_convert_iteration());
|
||||
return m_finish;
|
||||
}
|
||||
};
|
||||
}
|
||||
|
||||
namespace detail // lcast_ret_unsigned
|
||||
{
|
||||
template <class Traits, class T, class CharT>
|
||||
class lcast_ret_unsigned: boost::noncopyable {
|
||||
bool m_multiplier_overflowed;
|
||||
T m_multiplier;
|
||||
T& m_value;
|
||||
const CharT* const m_begin;
|
||||
const CharT* m_end;
|
||||
|
||||
public:
|
||||
lcast_ret_unsigned(T& value, const CharT* const begin, const CharT* end) BOOST_NOEXCEPT
|
||||
: m_multiplier_overflowed(false), m_multiplier(1), m_value(value), m_begin(begin), m_end(end)
|
||||
{
|
||||
#ifndef BOOST_NO_LIMITS_COMPILE_TIME_CONSTANTS
|
||||
BOOST_STATIC_ASSERT(!std::numeric_limits<T>::is_signed);
|
||||
|
||||
// GCC when used with flag -std=c++0x may not have std::numeric_limits
|
||||
// specializations for __int128 and unsigned __int128 types.
|
||||
// Try compilation with -std=gnu++0x or -std=gnu++11.
|
||||
//
|
||||
// http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40856
|
||||
BOOST_STATIC_ASSERT_MSG(std::numeric_limits<T>::is_specialized,
|
||||
"std::numeric_limits are not specialized for integral type passed to boost::lexical_cast"
|
||||
);
|
||||
#endif
|
||||
}
|
||||
|
||||
inline bool convert() {
|
||||
CharT const czero = lcast_char_constants<CharT>::zero;
|
||||
--m_end;
|
||||
m_value = static_cast<T>(0);
|
||||
|
||||
if (m_begin > m_end || *m_end < czero || *m_end >= czero + 10)
|
||||
return false;
|
||||
m_value = static_cast<T>(*m_end - czero);
|
||||
--m_end;
|
||||
|
||||
#ifdef BOOST_LEXICAL_CAST_ASSUME_C_LOCALE
|
||||
return main_convert_loop();
|
||||
#else
|
||||
std::locale loc;
|
||||
if (loc == std::locale::classic()) {
|
||||
return main_convert_loop();
|
||||
}
|
||||
|
||||
typedef std::numpunct<CharT> numpunct;
|
||||
numpunct const& np = BOOST_USE_FACET(numpunct, loc);
|
||||
std::string const& grouping = np.grouping();
|
||||
std::string::size_type const grouping_size = grouping.size();
|
||||
|
||||
/* According to Programming languages - C++
|
||||
* we MUST check for correct grouping
|
||||
*/
|
||||
if (!grouping_size || grouping[0] <= 0) {
|
||||
return main_convert_loop();
|
||||
}
|
||||
|
||||
unsigned char current_grouping = 0;
|
||||
CharT const thousands_sep = np.thousands_sep();
|
||||
char remained = static_cast<char>(grouping[current_grouping] - 1);
|
||||
|
||||
for (;m_end >= m_begin; --m_end)
|
||||
{
|
||||
if (remained) {
|
||||
if (!main_convert_iteration()) {
|
||||
return false;
|
||||
}
|
||||
--remained;
|
||||
} else {
|
||||
if ( !Traits::eq(*m_end, thousands_sep) ) //|| begin == end ) return false;
|
||||
{
|
||||
/*
|
||||
* According to Programming languages - C++
|
||||
* Digit grouping is checked. That is, the positions of discarded
|
||||
* separators is examined for consistency with
|
||||
* use_facet<numpunct<charT> >(loc ).grouping()
|
||||
*
|
||||
* BUT what if there is no separators at all and grouping()
|
||||
* is not empty? Well, we have no extraced separators, so we
|
||||
* won`t check them for consistency. This will allow us to
|
||||
* work with "C" locale from other locales
|
||||
*/
|
||||
return main_convert_loop();
|
||||
} else {
|
||||
if (m_begin == m_end) return false;
|
||||
if (current_grouping < grouping_size - 1) ++current_grouping;
|
||||
remained = grouping[current_grouping];
|
||||
}
|
||||
}
|
||||
} /*for*/
|
||||
|
||||
return true;
|
||||
#endif
|
||||
}
|
||||
|
||||
private:
|
||||
// Iteration that does not care about grouping/separators and assumes that all
|
||||
// input characters are digits
|
||||
inline bool main_convert_iteration() BOOST_NOEXCEPT {
|
||||
CharT const czero = lcast_char_constants<CharT>::zero;
|
||||
T const maxv = (std::numeric_limits<T>::max)();
|
||||
|
||||
m_multiplier_overflowed = m_multiplier_overflowed || (maxv/10 < m_multiplier);
|
||||
m_multiplier = static_cast<T>(m_multiplier * 10);
|
||||
|
||||
T const dig_value = static_cast<T>(*m_end - czero);
|
||||
T const new_sub_value = static_cast<T>(m_multiplier * dig_value);
|
||||
|
||||
// We must correctly handle situations like `000000000000000000000000000001`.
|
||||
// So we take care of overflow only if `dig_value` is not '0'.
|
||||
if (*m_end < czero || *m_end >= czero + 10 // checking for correct digit
|
||||
|| (dig_value && ( // checking for overflow of ...
|
||||
m_multiplier_overflowed // ... multiplier
|
||||
|| static_cast<T>(maxv / dig_value) < m_multiplier // ... subvalue
|
||||
|| static_cast<T>(maxv - new_sub_value) < m_value // ... whole expression
|
||||
))
|
||||
) return false;
|
||||
|
||||
m_value = static_cast<T>(m_value + new_sub_value);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool main_convert_loop() BOOST_NOEXCEPT {
|
||||
for ( ; m_end >= m_begin; --m_end) {
|
||||
if (!main_convert_iteration()) {
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
};
|
||||
}
|
||||
} // namespace boost
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_DETAIL_LCAST_UNSIGNED_CONVERTERS_HPP
|
||||
|
||||
40
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/widest_char.hpp
vendored
Normal file
40
thirdparty/source/boost_1_61_0/boost/lexical_cast/detail/widest_char.hpp
vendored
Normal file
@@ -0,0 +1,40 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2014.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_DETAIL_WIDEST_CHAR_HPP
|
||||
#define BOOST_LEXICAL_CAST_DETAIL_WIDEST_CHAR_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
namespace boost { namespace detail {
|
||||
|
||||
template <typename TargetChar, typename SourceChar>
|
||||
struct widest_char {
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
|
||||
(sizeof(TargetChar) > sizeof(SourceChar))
|
||||
, TargetChar
|
||||
, SourceChar
|
||||
>::type type;
|
||||
};
|
||||
|
||||
}} // namespace boost::detail
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_DETAIL_WIDEST_CHAR_HPP
|
||||
|
||||
227
thirdparty/source/boost_1_61_0/boost/lexical_cast/try_lexical_convert.hpp
vendored
Normal file
227
thirdparty/source/boost_1_61_0/boost/lexical_cast/try_lexical_convert.hpp
vendored
Normal file
@@ -0,0 +1,227 @@
|
||||
// Copyright Kevlin Henney, 2000-2005.
|
||||
// Copyright Alexander Nasonov, 2006-2010.
|
||||
// Copyright Antony Polukhin, 2011-2016.
|
||||
//
|
||||
// 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)
|
||||
//
|
||||
// what: lexical_cast custom keyword cast
|
||||
// who: contributed by Kevlin Henney,
|
||||
// enhanced with contributions from Terje Slettebo,
|
||||
// with additional fixes and suggestions from Gennaro Prota,
|
||||
// Beman Dawes, Dave Abrahams, Daryle Walker, Peter Dimov,
|
||||
// Alexander Nasonov, Antony Polukhin, Justin Viiret, Michael Hofmann,
|
||||
// Cheng Yang, Matthew Bradbury, David W. Birdsall, Pavel Korzh and other Boosters
|
||||
// when: November 2000, March 2003, June 2005, June 2006, March 2011 - 2014
|
||||
|
||||
#ifndef BOOST_LEXICAL_CAST_TRY_LEXICAL_CONVERT_HPP
|
||||
#define BOOST_LEXICAL_CAST_TRY_LEXICAL_CONVERT_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#ifdef BOOST_HAS_PRAGMA_ONCE
|
||||
# pragma once
|
||||
#endif
|
||||
|
||||
#if defined(__clang__) || (defined(__GNUC__) && \
|
||||
!(defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)) && \
|
||||
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
|
||||
#pragma GCC diagnostic push
|
||||
#pragma GCC diagnostic ignored "-Wuninitialized"
|
||||
#endif
|
||||
|
||||
#include <string>
|
||||
#include <boost/mpl/bool.hpp>
|
||||
#include <boost/mpl/identity.hpp>
|
||||
#include <boost/mpl/if.hpp>
|
||||
#include <boost/type_traits/is_same.hpp>
|
||||
#include <boost/type_traits/is_arithmetic.hpp>
|
||||
|
||||
#include <boost/lexical_cast/detail/is_character.hpp>
|
||||
#include <boost/lexical_cast/detail/converter_numeric.hpp>
|
||||
#include <boost/lexical_cast/detail/converter_lexical.hpp>
|
||||
|
||||
#include <boost/range/iterator_range_core.hpp>
|
||||
#include <boost/container/container_fwd.hpp>
|
||||
|
||||
namespace boost {
|
||||
namespace detail
|
||||
{
|
||||
template<typename T>
|
||||
struct is_stdstring
|
||||
: boost::false_type
|
||||
{};
|
||||
|
||||
template<typename CharT, typename Traits, typename Alloc>
|
||||
struct is_stdstring< std::basic_string<CharT, Traits, Alloc> >
|
||||
: boost::true_type
|
||||
{};
|
||||
|
||||
// Sun Studio has problem with partial specialization of templates differing only in namespace.
|
||||
// We workaround that by making `is_booststring` trait, instead of specializing `is_stdstring` for `boost::container::basic_string`.
|
||||
template<typename T>
|
||||
struct is_booststring
|
||||
: boost::false_type
|
||||
{};
|
||||
|
||||
template<typename CharT, typename Traits, typename Alloc>
|
||||
struct is_booststring< boost::container::basic_string<CharT, Traits, Alloc> >
|
||||
: boost::true_type
|
||||
{};
|
||||
|
||||
template<typename Target, typename Source>
|
||||
struct is_arithmetic_and_not_xchars
|
||||
{
|
||||
typedef boost::mpl::bool_<
|
||||
!(boost::detail::is_character<Target>::value) &&
|
||||
!(boost::detail::is_character<Source>::value) &&
|
||||
boost::is_arithmetic<Source>::value &&
|
||||
boost::is_arithmetic<Target>::value
|
||||
> type;
|
||||
|
||||
BOOST_STATIC_CONSTANT(bool, value = (
|
||||
type::value
|
||||
));
|
||||
};
|
||||
|
||||
/*
|
||||
* is_xchar_to_xchar<Target, Source>::value is true,
|
||||
* Target and Souce are char types of the same size 1 (char, signed char, unsigned char).
|
||||
*/
|
||||
template<typename Target, typename Source>
|
||||
struct is_xchar_to_xchar
|
||||
{
|
||||
typedef boost::mpl::bool_<
|
||||
sizeof(Source) == sizeof(Target) &&
|
||||
sizeof(Source) == sizeof(char) &&
|
||||
boost::detail::is_character<Target>::value &&
|
||||
boost::detail::is_character<Source>::value
|
||||
> type;
|
||||
|
||||
BOOST_STATIC_CONSTANT(bool, value = (
|
||||
type::value
|
||||
));
|
||||
};
|
||||
|
||||
template<typename Target, typename Source>
|
||||
struct is_char_array_to_stdstring
|
||||
: boost::false_type
|
||||
{};
|
||||
|
||||
template<typename CharT, typename Traits, typename Alloc>
|
||||
struct is_char_array_to_stdstring< std::basic_string<CharT, Traits, Alloc>, CharT* >
|
||||
: boost::true_type
|
||||
{};
|
||||
|
||||
template<typename CharT, typename Traits, typename Alloc>
|
||||
struct is_char_array_to_stdstring< std::basic_string<CharT, Traits, Alloc>, const CharT* >
|
||||
: boost::true_type
|
||||
{};
|
||||
|
||||
// Sun Studio has problem with partial specialization of templates differing only in namespace.
|
||||
// We workaround that by making `is_char_array_to_booststring` trait, instead of specializing `is_char_array_to_stdstring` for `boost::container::basic_string`.
|
||||
template<typename Target, typename Source>
|
||||
struct is_char_array_to_booststring
|
||||
: boost::false_type
|
||||
{};
|
||||
|
||||
template<typename CharT, typename Traits, typename Alloc>
|
||||
struct is_char_array_to_booststring< boost::container::basic_string<CharT, Traits, Alloc>, CharT* >
|
||||
: boost::true_type
|
||||
{};
|
||||
|
||||
template<typename CharT, typename Traits, typename Alloc>
|
||||
struct is_char_array_to_booststring< boost::container::basic_string<CharT, Traits, Alloc>, const CharT* >
|
||||
: boost::true_type
|
||||
{};
|
||||
|
||||
template <typename Target, typename Source>
|
||||
struct copy_converter_impl
|
||||
{
|
||||
// MSVC fail to forward an array (DevDiv#555157 "SILENT BAD CODEGEN triggered by perfect forwarding",
|
||||
// fixed in 2013 RTM).
|
||||
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && (!defined(BOOST_MSVC) || BOOST_MSVC >= 1800)
|
||||
template <class T>
|
||||
static inline bool try_convert(T&& arg, Target& result) {
|
||||
result = static_cast<T&&>(arg); // eqaul to `result = std::forward<T>(arg);`
|
||||
return true;
|
||||
}
|
||||
#else
|
||||
static inline bool try_convert(const Source& arg, Target& result) {
|
||||
result = arg;
|
||||
return true;
|
||||
}
|
||||
#endif
|
||||
};
|
||||
}
|
||||
|
||||
namespace conversion { namespace detail {
|
||||
|
||||
template <typename Target, typename Source>
|
||||
inline bool try_lexical_convert(const Source& arg, Target& result)
|
||||
{
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::detail::array_to_pointer_decay<Source>::type src;
|
||||
|
||||
typedef boost::mpl::bool_<
|
||||
boost::detail::is_xchar_to_xchar<Target, src >::value ||
|
||||
boost::detail::is_char_array_to_stdstring<Target, src >::value ||
|
||||
boost::detail::is_char_array_to_booststring<Target, src >::value ||
|
||||
(
|
||||
boost::is_same<Target, src >::value &&
|
||||
(boost::detail::is_stdstring<Target >::value || boost::detail::is_booststring<Target >::value)
|
||||
) ||
|
||||
(
|
||||
boost::is_same<Target, src >::value &&
|
||||
boost::detail::is_character<Target >::value
|
||||
)
|
||||
> shall_we_copy_t;
|
||||
|
||||
typedef boost::detail::is_arithmetic_and_not_xchars<Target, src >
|
||||
shall_we_copy_with_dynamic_check_t;
|
||||
|
||||
// We do evaluate second `if_` lazily to avoid unnecessary instantiations
|
||||
// of `shall_we_copy_with_dynamic_check_t` and improve compilation times.
|
||||
typedef BOOST_DEDUCED_TYPENAME boost::mpl::if_c<
|
||||
shall_we_copy_t::value,
|
||||
boost::mpl::identity<boost::detail::copy_converter_impl<Target, src > >,
|
||||
boost::mpl::if_<
|
||||
shall_we_copy_with_dynamic_check_t,
|
||||
boost::detail::dynamic_num_converter_impl<Target, src >,
|
||||
boost::detail::lexical_converter_impl<Target, src >
|
||||
>
|
||||
>::type caster_type_lazy;
|
||||
|
||||
typedef BOOST_DEDUCED_TYPENAME caster_type_lazy::type caster_type;
|
||||
|
||||
return caster_type::try_convert(arg, result);
|
||||
}
|
||||
|
||||
template <typename Target, typename CharacterT>
|
||||
inline bool try_lexical_convert(const CharacterT* chars, std::size_t count, Target& result)
|
||||
{
|
||||
BOOST_STATIC_ASSERT_MSG(
|
||||
boost::detail::is_character<CharacterT>::value,
|
||||
"This overload of try_lexical_convert is meant to be used only with arrays of characters."
|
||||
);
|
||||
return ::boost::conversion::detail::try_lexical_convert(
|
||||
::boost::iterator_range<const CharacterT*>(chars, chars + count), result
|
||||
);
|
||||
}
|
||||
|
||||
}} // namespace conversion::detail
|
||||
|
||||
namespace conversion {
|
||||
// ADL barrier
|
||||
using ::boost::conversion::detail::try_lexical_convert;
|
||||
}
|
||||
|
||||
} // namespace boost
|
||||
|
||||
#if defined(__clang__) || (defined(__GNUC__) && \
|
||||
!(defined(__INTEL_COMPILER) || defined(__ICL) || defined(__ICC) || defined(__ECC)) && \
|
||||
(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)))
|
||||
#pragma GCC diagnostic pop
|
||||
#endif
|
||||
|
||||
#endif // BOOST_LEXICAL_CAST_TRY_LEXICAL_CONVERT_HPP
|
||||
|
||||
Reference in New Issue
Block a user