0
9 li~ *j"T~m\ jbѿ
hai~ *j"T~m\ jbѿ 1
, l4(qF
}_I|+ ? // class template regex -*- C++ -*-
// Copyright (C) 2010-2021 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// .
/**
* @file bits/regex.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{regex}
*/
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
_GLIBCXX_BEGIN_NAMESPACE_CXX11
template
class basic_regex;
template
class match_results;
_GLIBCXX_END_NAMESPACE_CXX11
namespace __detail
{
enum class _RegexExecutorPolicy : int { _S_auto, _S_alternate };
template
bool
__regex_algo_impl(_BiIter __s,
_BiIter __e,
match_results<_BiIter, _Alloc>& __m,
const basic_regex<_CharT, _TraitsT>& __re,
regex_constants::match_flag_type __flags);
template
class _Executor;
template
struct __is_contiguous_iter : false_type { };
template
struct __is_contiguous_iter<_Tp*> : true_type { };
template
struct __is_contiguous_iter<__gnu_cxx::__normal_iterator<_Tp*, _Cont>>
: true_type { };
}
_GLIBCXX_BEGIN_NAMESPACE_CXX11
/**
* @addtogroup regex
* @{
*/
/**
* @brief Describes aspects of a regular expression.
*
* A regular expression traits class that satisfies the requirements of
* section [28.7].
*
* The class %regex is parameterized around a set of related types and
* functions used to complete the definition of its semantics. This class
* satisfies the requirements of such a traits class.
*/
template
class regex_traits
{
public:
typedef _Ch_type char_type;
typedef std::basic_string string_type;
typedef std::locale locale_type;
private:
struct _RegexMask
{
typedef std::ctype_base::mask _BaseType;
_BaseType _M_base;
unsigned char _M_extended;
static constexpr unsigned char _S_under = 1 << 0;
static constexpr unsigned char _S_valid_mask = 0x1;
constexpr _RegexMask(_BaseType __base = 0,
unsigned char __extended = 0)
: _M_base(__base), _M_extended(__extended)
{ }
constexpr _RegexMask
operator&(_RegexMask __other) const
{
return _RegexMask(_M_base & __other._M_base,
_M_extended & __other._M_extended);
}
constexpr _RegexMask
operator|(_RegexMask __other) const
{
return _RegexMask(_M_base | __other._M_base,
_M_extended | __other._M_extended);
}
constexpr _RegexMask
operator^(_RegexMask __other) const
{
return _RegexMask(_M_base ^ __other._M_base,
_M_extended ^ __other._M_extended);
}
constexpr _RegexMask
operator~() const
{ return _Re