mirror of
https://github.com/ecency/ecency-mobile.git
synced 2024-12-22 12:51:42 +03:00
108 lines
3.0 KiB
C++
108 lines
3.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
/// \file regex_traits.hpp
|
|
/// Includes the C regex traits or the CPP regex traits header file depending on the
|
|
/// BOOST_XPRESSIVE_USE_C_TRAITS macro.
|
|
//
|
|
// Copyright 2008 Eric Niebler. Distributed under the Boost
|
|
// Software License, Version 1.0. (See accompanying file
|
|
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
|
|
#ifndef BOOST_XPRESSIVE_REGEX_TRAITS_HPP_EAN_10_04_2005
|
|
#define BOOST_XPRESSIVE_REGEX_TRAITS_HPP_EAN_10_04_2005
|
|
|
|
// MS compatible compilers support #pragma once
|
|
#if defined(_MSC_VER)
|
|
# pragma once
|
|
#endif
|
|
|
|
#include <boost/type_traits/is_convertible.hpp>
|
|
#include <boost/xpressive/detail/detail_fwd.hpp>
|
|
|
|
#ifdef BOOST_XPRESSIVE_USE_C_TRAITS
|
|
# include <boost/xpressive/traits/c_regex_traits.hpp>
|
|
#else
|
|
# include <boost/xpressive/traits/cpp_regex_traits.hpp>
|
|
#endif
|
|
|
|
namespace boost { namespace xpressive
|
|
{
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// regex_traits_version_1_tag
|
|
/// Tag used to denote that a traits class conforms to the version 1 traits
|
|
/// interface.
|
|
struct regex_traits_version_1_tag
|
|
{
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// regex_traits_version_2_tag
|
|
/// Tag used to denote that a traits class conforms to the version 2 traits
|
|
/// interface.
|
|
struct regex_traits_version_2_tag
|
|
: regex_traits_version_1_tag
|
|
{
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// regex_traits_version_1_case_fold_tag DEPRECATED use has_fold_case trait
|
|
/// INTERNAL ONLY
|
|
///
|
|
struct regex_traits_version_1_case_fold_tag
|
|
: regex_traits_version_1_tag
|
|
{
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// has_fold_case
|
|
/// Trait used to denote that a traits class has the fold_case member function.
|
|
template<typename Traits>
|
|
struct has_fold_case
|
|
: is_convertible<
|
|
typename Traits::version_tag *
|
|
, regex_traits_version_1_case_fold_tag *
|
|
>
|
|
{
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// regex_traits
|
|
/// Thin wrapper around the default regex_traits implementation, either
|
|
/// cpp_regex_traits or c_regex_traits
|
|
///
|
|
template<typename Char, typename Impl>
|
|
struct regex_traits
|
|
: Impl
|
|
{
|
|
typedef typename Impl::locale_type locale_type;
|
|
|
|
regex_traits()
|
|
: Impl()
|
|
{
|
|
}
|
|
|
|
explicit regex_traits(locale_type const &loc)
|
|
: Impl(loc)
|
|
{
|
|
}
|
|
};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// lookup_classname
|
|
/// INTERNAL ONLY
|
|
template<typename Traits, std::size_t N>
|
|
inline typename Traits::char_class_type
|
|
lookup_classname(Traits const &traits, char const (&cname)[N], bool icase)
|
|
{
|
|
typename Traits::char_type name[N] = {0};
|
|
for(std::size_t j = 0; j < N-1; ++j)
|
|
{
|
|
name[j] = traits.widen(cname[j]);
|
|
}
|
|
return traits.lookup_classname(name, name + N - 1, icase);
|
|
}
|
|
|
|
}}
|
|
|
|
#endif
|