You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
173 lines
4.8 KiB
173 lines
4.8 KiB
/*=============================================================================
|
|
Copyright (c) 2001-2003 Joel de Guzman
|
|
Copyright (c) 2001-2003 Daniel Nuffer
|
|
http://spirit.sourceforge.net/
|
|
|
|
Use, modification and distribution is subject to 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_SPIRIT_BASIC_CHSET_HPP_EAN_10_04_2005
|
|
#define BOOST_XPRESSIVE_SPIRIT_BASIC_CHSET_HPP_EAN_10_04_2005
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
#include <bitset>
|
|
#include <boost/mpl/bool.hpp>
|
|
#include <boost/xpressive/detail/utility/chset/range_run.ipp>
|
|
|
|
namespace boost { namespace xpressive { namespace detail
|
|
{
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// basic_chset: basic character set implementation using range_run
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
template<typename Char>
|
|
struct basic_chset
|
|
{
|
|
basic_chset();
|
|
basic_chset(basic_chset const &arg);
|
|
|
|
bool empty() const;
|
|
void set(Char from, Char to);
|
|
template<typename Traits>
|
|
void set(Char from, Char to, Traits const &tr);
|
|
void set(Char c);
|
|
template<typename Traits>
|
|
void set(Char c, Traits const &tr);
|
|
|
|
void clear(Char from, Char to);
|
|
template<typename Traits>
|
|
void clear(Char from, Char to, Traits const &tr);
|
|
void clear(Char c);
|
|
template<typename Traits>
|
|
void clear(Char c, Traits const &tr);
|
|
void clear();
|
|
|
|
template<typename Traits>
|
|
bool test(Char v, Traits const &tr, mpl::false_) const; // case-sensitive
|
|
template<typename Traits>
|
|
bool test(Char v, Traits const &tr, mpl::true_) const; // case-insensitive
|
|
|
|
void inverse();
|
|
void swap(basic_chset& x);
|
|
|
|
basic_chset &operator |=(basic_chset const &x);
|
|
basic_chset &operator &=(basic_chset const &x);
|
|
basic_chset &operator -=(basic_chset const &x);
|
|
basic_chset &operator ^=(basic_chset const &x);
|
|
|
|
private:
|
|
range_run<Char> rr_;
|
|
};
|
|
|
|
#if(CHAR_BIT == 8)
|
|
|
|
///////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// basic_chset: specializations for 8 bit chars using std::bitset
|
|
//
|
|
///////////////////////////////////////////////////////////////////////////
|
|
template<typename Char>
|
|
struct basic_chset_8bit
|
|
{
|
|
basic_chset_8bit();
|
|
basic_chset_8bit(basic_chset_8bit const &arg);
|
|
|
|
bool empty() const;
|
|
|
|
void set(Char from, Char to);
|
|
template<typename Traits>
|
|
void set(Char from, Char to, Traits const &tr);
|
|
void set(Char c);
|
|
template<typename Traits>
|
|
void set(Char c, Traits const &tr);
|
|
|
|
void clear(Char from, Char to);
|
|
template<typename Traits>
|
|
void clear(Char from, Char to, Traits const &tr);
|
|
void clear(Char c);
|
|
template<typename Traits>
|
|
void clear(Char c, Traits const &tr);
|
|
void clear();
|
|
|
|
template<typename Traits>
|
|
bool test(Char v, Traits const &tr, mpl::false_) const; // case-sensitive
|
|
template<typename Traits>
|
|
bool test(Char v, Traits const &tr, mpl::true_) const; // case-insensitive
|
|
|
|
void inverse();
|
|
void swap(basic_chset_8bit& x);
|
|
|
|
basic_chset_8bit &operator |=(basic_chset_8bit const &x);
|
|
basic_chset_8bit &operator &=(basic_chset_8bit const &x);
|
|
basic_chset_8bit &operator -=(basic_chset_8bit const &x);
|
|
basic_chset_8bit &operator ^=(basic_chset_8bit const &x);
|
|
|
|
std::bitset<256> const &base() const;
|
|
|
|
private:
|
|
std::bitset<256> bset_; // BUGBUG range-checking slows this down
|
|
};
|
|
|
|
/////////////////////////////////
|
|
template<>
|
|
struct basic_chset<char>
|
|
: basic_chset_8bit<char>
|
|
{
|
|
};
|
|
|
|
/////////////////////////////////
|
|
template<>
|
|
struct basic_chset<signed char>
|
|
: basic_chset_8bit<signed char>
|
|
{
|
|
};
|
|
|
|
/////////////////////////////////
|
|
template<>
|
|
struct basic_chset<unsigned char>
|
|
: basic_chset_8bit<unsigned char>
|
|
{
|
|
};
|
|
|
|
#endif
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// is_narrow_char
|
|
template<typename Char>
|
|
struct is_narrow_char
|
|
: mpl::false_
|
|
{};
|
|
|
|
template<>
|
|
struct is_narrow_char<char>
|
|
: mpl::true_
|
|
{};
|
|
|
|
template<>
|
|
struct is_narrow_char<signed char>
|
|
: mpl::true_
|
|
{};
|
|
|
|
template<>
|
|
struct is_narrow_char<unsigned char>
|
|
: mpl::true_
|
|
{};
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
// helpers
|
|
template<typename Char, typename Traits>
|
|
void set_char(basic_chset<Char> &chset, Char ch, Traits const &tr, bool icase);
|
|
|
|
template<typename Char, typename Traits>
|
|
void set_range(basic_chset<Char> &chset, Char from, Char to, Traits const &tr, bool icase);
|
|
|
|
template<typename Char, typename Traits>
|
|
void set_class(basic_chset<Char> &chset, typename Traits::char_class_type char_class, bool no, Traits const &tr);
|
|
|
|
}}} // namespace boost::xpressive::detail
|
|
|
|
#endif
|