/*=============================================================================
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Copyright (c) 2001-2003 Joel de Guzman
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Copyright (c) 2001-2003 Daniel Nuffer
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http://spirit.sourceforge.net/
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Use, modification and distribution is subject to the Boost Software
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License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef BOOST_XPRESSIVE_SPIRIT_BASIC_CHSET_IPP
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#define BOOST_XPRESSIVE_SPIRIT_BASIC_CHSET_IPP
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///////////////////////////////////////////////////////////////////////////////
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#include <bitset>
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#include <boost/xpressive/detail/utility/chset/basic_chset.hpp>
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///////////////////////////////////////////////////////////////////////////////
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namespace boost { namespace xpressive { namespace detail
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{
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///////////////////////////////////////////////////////////////////////////////
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//
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// basic_chset: character set implementation
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//
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///////////////////////////////////////////////////////////////////////////////
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template<typename Char>
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inline basic_chset<Char>::basic_chset()
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{
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}
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//////////////////////////////////
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template<typename Char>
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inline basic_chset<Char>::basic_chset(basic_chset const &arg)
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: rr_(arg.rr_)
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{
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}
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//////////////////////////////////
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template<typename Char>
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inline bool basic_chset<Char>::empty() const
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{
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return this->rr_.empty();
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}
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//////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline bool basic_chset<Char>::test(Char v, Traits const &, mpl::false_) const // case-sensitive
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{
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return this->rr_.test(v);
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}
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//////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline bool basic_chset<Char>::test(Char v, Traits const &tr, mpl::true_) const // case-insensitive
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{
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return this->rr_.test(v, tr);
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}
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//////////////////////////////////
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template<typename Char>
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inline void basic_chset<Char>::set(Char from, Char to)
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{
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this->rr_.set(range<Char>(from, to));
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}
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//////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline void basic_chset<Char>::set(Char from, Char to, Traits const &)
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{
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this->rr_.set(range<Char>(from, to));
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}
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//////////////////////////////////
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template<typename Char>
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inline void basic_chset<Char>::set(Char c)
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{
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this->rr_.set(range<Char>(c, c));
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}
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//////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline void basic_chset<Char>::set(Char c, Traits const &)
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{
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this->rr_.set(range<Char>(c, c));
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}
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//////////////////////////////////
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template<typename Char>
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inline void basic_chset<Char>::clear(Char c)
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{
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this->rr_.clear(range<Char>(c, c));
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}
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//////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline void basic_chset<Char>::clear(Char c, Traits const &)
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{
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this->rr_.clear(range<Char>(c, c));
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}
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//////////////////////////////////
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template<typename Char>
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inline void basic_chset<Char>::clear(Char from, Char to)
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{
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this->rr_.clear(range<Char>(from, to));
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}
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//////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline void basic_chset<Char>::clear(Char from, Char to, Traits const &)
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{
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this->rr_.clear(range<Char>(from, to));
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}
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//////////////////////////////////
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template<typename Char>
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inline void basic_chset<Char>::clear()
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{
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this->rr_.clear();
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}
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/////////////////////////////////
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template<typename Char>
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inline void basic_chset<Char>::inverse()
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{
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// BUGBUG is this right? Does this handle icase correctly?
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basic_chset<Char> inv;
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inv.set((std::numeric_limits<Char>::min)(), (std::numeric_limits<Char>::max)());
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inv -= *this;
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this->swap(inv);
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}
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/////////////////////////////////
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template<typename Char>
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inline void basic_chset<Char>::swap(basic_chset<Char> &that)
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{
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this->rr_.swap(that.rr_);
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}
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/////////////////////////////////
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template<typename Char>
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inline basic_chset<Char> &
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basic_chset<Char>::operator |=(basic_chset<Char> const &that)
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{
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typedef typename range_run<Char>::const_iterator const_iterator;
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for(const_iterator iter = that.rr_.begin(); iter != that.rr_.end(); ++iter)
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{
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this->rr_.set(*iter);
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}
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return *this;
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}
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/////////////////////////////////
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template<typename Char>
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inline basic_chset<Char> &
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basic_chset<Char>::operator &=(basic_chset<Char> const &that)
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{
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basic_chset<Char> inv;
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inv.set((std::numeric_limits<Char>::min)(), (std::numeric_limits<Char>::max)());
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inv -= that;
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*this -= inv;
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return *this;
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}
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/////////////////////////////////
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template<typename Char>
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inline basic_chset<Char> &
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basic_chset<Char>::operator -=(basic_chset<Char> const &that)
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{
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typedef typename range_run<Char>::const_iterator const_iterator;
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for(const_iterator iter = that.rr_.begin(); iter != that.rr_.end(); ++iter)
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{
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this->rr_.clear(*iter);
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}
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return *this;
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}
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/////////////////////////////////
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template<typename Char>
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inline basic_chset<Char> &
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basic_chset<Char>::operator ^=(basic_chset<Char> const &that)
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{
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basic_chset bma = that;
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bma -= *this;
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*this -= that;
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*this |= bma;
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return *this;
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}
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#if(CHAR_BIT == 8)
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///////////////////////////////////////////////////////////////////////////////
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//
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// basic_chset: specializations for 8 bit chars using std::bitset
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//
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///////////////////////////////////////////////////////////////////////////////
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template<typename Char>
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inline basic_chset_8bit<Char>::basic_chset_8bit()
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{
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}
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/////////////////////////////////
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template<typename Char>
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inline basic_chset_8bit<Char>::basic_chset_8bit(basic_chset_8bit<Char> const &arg)
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: bset_(arg.bset_)
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{
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}
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/////////////////////////////////
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template<typename Char>
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inline bool basic_chset_8bit<Char>::empty() const
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{
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return !this->bset_.any();
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}
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/////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline bool basic_chset_8bit<Char>::test(Char v, Traits const &, mpl::false_) const // case-sensitive
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{
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return this->bset_.test((unsigned char)v);
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}
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/////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline bool basic_chset_8bit<Char>::test(Char v, Traits const &tr, mpl::true_) const // case-insensitive
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{
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return this->bset_.test((unsigned char)tr.translate_nocase(v));
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}
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/////////////////////////////////
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template<typename Char>
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inline void basic_chset_8bit<Char>::set(Char from, Char to)
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{
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for(int i = from; i <= to; ++i)
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{
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this->bset_.set((unsigned char)i);
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}
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}
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/////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline void basic_chset_8bit<Char>::set(Char from, Char to, Traits const &tr)
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{
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for(int i = from; i <= to; ++i)
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{
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this->bset_.set((unsigned char)tr.translate_nocase((Char)i));
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}
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}
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/////////////////////////////////
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template<typename Char>
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inline void basic_chset_8bit<Char>::set(Char c)
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{
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this->bset_.set((unsigned char)c);
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}
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/////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline void basic_chset_8bit<Char>::set(Char c, Traits const &tr)
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{
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this->bset_.set((unsigned char)tr.translate_nocase(c));
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}
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/////////////////////////////////
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template<typename Char>
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inline void basic_chset_8bit<Char>::clear(Char from, Char to)
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{
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for(int i = from; i <= to; ++i)
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{
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this->bset_.reset((unsigned char)i);
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}
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}
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/////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline void basic_chset_8bit<Char>::clear(Char from, Char to, Traits const &tr)
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{
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for(int i = from; i <= to; ++i)
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{
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this->bset_.reset((unsigned char)tr.translate_nocase((Char)i));
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}
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}
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/////////////////////////////////
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template<typename Char>
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inline void basic_chset_8bit<Char>::clear(Char c)
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{
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this->bset_.reset((unsigned char)c);
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}
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/////////////////////////////////
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template<typename Char>
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template<typename Traits>
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inline void basic_chset_8bit<Char>::clear(Char c, Traits const &tr)
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{
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this->bset_.reset((unsigned char)tr.tranlsate_nocase(c));
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}
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/////////////////////////////////
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template<typename Char>
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inline void basic_chset_8bit<Char>::clear()
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{
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this->bset_.reset();
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}
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/////////////////////////////////
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template<typename Char>
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inline void basic_chset_8bit<Char>::inverse()
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{
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this->bset_.flip();
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}
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/////////////////////////////////
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template<typename Char>
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inline void basic_chset_8bit<Char>::swap(basic_chset_8bit<Char> &that)
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{
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std::swap(this->bset_, that.bset_);
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}
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/////////////////////////////////
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template<typename Char>
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inline basic_chset_8bit<Char> &
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basic_chset_8bit<Char>::operator |=(basic_chset_8bit<Char> const &that)
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{
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this->bset_ |= that.bset_;
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return *this;
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}
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/////////////////////////////////
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template<typename Char>
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inline basic_chset_8bit<Char> &
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basic_chset_8bit<Char>::operator &=(basic_chset_8bit<Char> const &that)
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{
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this->bset_ &= that.bset_;
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return *this;
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}
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/////////////////////////////////
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template<typename Char>
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inline basic_chset_8bit<Char> &
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basic_chset_8bit<Char>::operator -=(basic_chset_8bit<Char> const &that)
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{
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this->bset_ &= ~that.bset_;
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return *this;
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}
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/////////////////////////////////
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template<typename Char>
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inline basic_chset_8bit<Char> &
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basic_chset_8bit<Char>::operator ^=(basic_chset_8bit<Char> const &that)
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{
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this->bset_ ^= that.bset_;
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return *this;
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}
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template<typename Char>
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inline std::bitset<256> const &
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basic_chset_8bit<Char>::base() const
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{
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return this->bset_;
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}
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#endif // if(CHAR_BIT == 8)
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///////////////////////////////////////////////////////////////////////////////
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// helpers
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template<typename Char, typename Traits>
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inline void set_char(basic_chset<Char> &chset, Char ch, Traits const &tr, bool icase)
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{
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icase ? chset.set(ch, tr) : chset.set(ch);
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}
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template<typename Char, typename Traits>
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inline void set_range(basic_chset<Char> &chset, Char from, Char to, Traits const &tr, bool icase)
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{
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icase ? chset.set(from, to, tr) : chset.set(from, to);
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}
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template<typename Char, typename Traits>
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inline void set_class(basic_chset<Char> &chset, typename Traits::char_class_type char_class, bool no, Traits const &tr)
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{
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BOOST_MPL_ASSERT_RELATION(1, ==, sizeof(Char));
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for(std::size_t i = 0; i <= UCHAR_MAX; ++i)
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{
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typedef typename std::char_traits<Char>::int_type int_type;
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Char ch = std::char_traits<Char>::to_char_type(static_cast<int_type>(i));
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if(no != tr.isctype(ch, char_class))
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{
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chset.set(ch);
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}
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}
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}
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}}} // namespace boost::xpressive::detail
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#endif
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