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+/*=============================================================================
+    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_SPIRIT_CHSET_IPP
+#define BOOST_SPIRIT_CHSET_IPP
+
+///////////////////////////////////////////////////////////////////////////////
+#include <boost/limits.hpp>
+#include <boost/spirit/home/classic/utility/chset.hpp>
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost { namespace spirit {
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
+
+///////////////////////////////////////////////////////////////////////////////
+//
+//  chset class
+//
+///////////////////////////////////////////////////////////////////////////////
+namespace utility { namespace impl {
+    template <typename CharT>
+    inline void
+    detach(boost::shared_ptr<basic_chset<CharT> >& ptr)
+    {
+        if (!ptr.unique())
+            ptr = boost::shared_ptr<basic_chset<CharT> >
+                (new basic_chset<CharT>(*ptr));
+    }
+
+    template <typename CharT>
+    inline void
+    detach_clear(boost::shared_ptr<basic_chset<CharT> >& ptr)
+    {
+        if (ptr.unique())
+            ptr->clear();
+        else
+            ptr.reset(new basic_chset<CharT>());
+    }
+
+    template <typename CharT, typename CharT2>
+    void construct_chset(boost::shared_ptr<basic_chset<CharT> >& ptr,
+            CharT2 const* definition)
+    {
+        CharT2 ch = *definition++;
+        while (ch)
+        {
+            CharT2 next = *definition++;
+            if (next == '-')
+            {
+                next = *definition++;
+                if (next == 0)
+                {
+                    ptr->set(ch);
+                    ptr->set('-');
+                    break;
+                }
+                ptr->set(ch, next);
+            }
+            else
+            {
+                ptr->set(ch);
+            }
+            ch = next;
+        }
+    }
+
+}} // namespace utility::impl
+
+template <typename CharT>
+inline chset<CharT>::chset()
+: ptr(new basic_chset<CharT>()) {}
+
+template <typename CharT>
+inline chset<CharT>::chset(chset const& arg_)
+: ptr(new basic_chset<CharT>(*arg_.ptr)) {}
+
+template <typename CharT>
+inline chset<CharT>::chset(CharT arg_)
+: ptr(new basic_chset<CharT>())
+{ ptr->set(arg_); }
+
+template <typename CharT>
+inline chset<CharT>::chset(anychar_parser /*arg*/)
+: ptr(new basic_chset<CharT>())
+{
+    ptr->set(
+        (std::numeric_limits<CharT>::min)(),
+        (std::numeric_limits<CharT>::max)()
+    );
+}
+
+template <typename CharT>
+inline chset<CharT>::chset(nothing_parser /*arg_*/)
+: ptr(new basic_chset<CharT>()) {}
+
+template <typename CharT>
+inline chset<CharT>::chset(chlit<CharT> const& arg_)
+: ptr(new basic_chset<CharT>())
+{ ptr->set(arg_.ch); }
+
+template <typename CharT>
+inline chset<CharT>::chset(range<CharT> const& arg_)
+: ptr(new basic_chset<CharT>())
+{ ptr->set(arg_.first, arg_.last); }
+
+template <typename CharT>
+inline chset<CharT>::chset(negated_char_parser<chlit<CharT> > const& arg_)
+: ptr(new basic_chset<CharT>())
+{
+    set(arg_);
+}
+
+template <typename CharT>
+inline chset<CharT>::chset(negated_char_parser<range<CharT> > const& arg_)
+: ptr(new basic_chset<CharT>())
+{
+    set(arg_);
+}
+
+template <typename CharT>
+inline chset<CharT>::~chset() {}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator=(chset const& rhs)
+{
+    ptr = rhs.ptr;
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator=(CharT rhs)
+{
+    utility::impl::detach_clear(ptr);
+    ptr->set(rhs);
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator=(anychar_parser /*rhs*/)
+{
+    utility::impl::detach_clear(ptr);
+    ptr->set(
+        (std::numeric_limits<CharT>::min)(),
+        (std::numeric_limits<CharT>::max)()
+    );
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator=(nothing_parser /*rhs*/)
+{
+    utility::impl::detach_clear(ptr);
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator=(chlit<CharT> const& rhs)
+{
+    utility::impl::detach_clear(ptr);
+    ptr->set(rhs.ch);
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator=(range<CharT> const& rhs)
+{
+    utility::impl::detach_clear(ptr);
+    ptr->set(rhs.first, rhs.last);
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator=(negated_char_parser<chlit<CharT> > const& rhs)
+{
+    utility::impl::detach_clear(ptr);
+    set(rhs);
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator=(negated_char_parser<range<CharT> > const& rhs)
+{
+    utility::impl::detach_clear(ptr);
+    set(rhs);
+    return *this;
+}
+
+template <typename CharT>
+inline void
+chset<CharT>::set(range<CharT> const& arg_)
+{
+    utility::impl::detach(ptr);
+    ptr->set(arg_.first, arg_.last);
+}
+
+template <typename CharT>
+inline void
+chset<CharT>::set(negated_char_parser<chlit<CharT> > const& arg_)
+{
+    utility::impl::detach(ptr);
+    
+    if(arg_.positive.ch != (std::numeric_limits<CharT>::min)()) {
+        ptr->set((std::numeric_limits<CharT>::min)(), arg_.positive.ch - 1);
+    }
+    if(arg_.positive.ch != (std::numeric_limits<CharT>::max)()) {
+        ptr->set(arg_.positive.ch + 1, (std::numeric_limits<CharT>::max)());
+    }
+}
+
+template <typename CharT>
+inline void
+chset<CharT>::set(negated_char_parser<range<CharT> > const& arg_)
+{
+    utility::impl::detach(ptr);
+    
+    if(arg_.positive.first != (std::numeric_limits<CharT>::min)()) {
+        ptr->set((std::numeric_limits<CharT>::min)(), arg_.positive.first - 1);
+    }
+    if(arg_.positive.last != (std::numeric_limits<CharT>::max)()) {
+        ptr->set(arg_.positive.last + 1, (std::numeric_limits<CharT>::max)());
+    }
+}
+
+template <typename CharT>
+inline void
+chset<CharT>::clear(range<CharT> const& arg_)
+{
+    utility::impl::detach(ptr);
+    ptr->clear(arg_.first, arg_.last);
+}
+
+template <typename CharT>
+inline void
+chset<CharT>::clear(negated_char_parser<range<CharT> > const& arg_)
+{
+    utility::impl::detach(ptr);
+
+    if(arg_.positive.first != (std::numeric_limits<CharT>::min)()) {
+        ptr->clear((std::numeric_limits<CharT>::min)(), arg_.positive.first - 1);
+    }
+    if(arg_.positive.last != (std::numeric_limits<CharT>::max)()) {
+        ptr->clear(arg_.positive.last + 1, (std::numeric_limits<CharT>::max)());
+    }
+}
+
+template <typename CharT>
+inline bool
+chset<CharT>::test(CharT ch) const
+{ return ptr->test(ch); }
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::inverse()
+{
+    utility::impl::detach(ptr);
+    ptr->inverse();
+    return *this;
+}
+
+template <typename CharT>
+inline void
+chset<CharT>::swap(chset& x)
+{ ptr.swap(x.ptr); }
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator|=(chset const& x)
+{
+    utility::impl::detach(ptr);
+    *ptr |= *x.ptr;
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator&=(chset const& x)
+{
+    utility::impl::detach(ptr);
+    *ptr &= *x.ptr;
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator-=(chset const& x)
+{
+    utility::impl::detach(ptr);
+    *ptr -= *x.ptr;
+    return *this;
+}
+
+template <typename CharT>
+inline chset<CharT>&
+chset<CharT>::operator^=(chset const& x)
+{
+    utility::impl::detach(ptr);
+    *ptr ^= *x.ptr;
+    return *this;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+BOOST_SPIRIT_CLASSIC_NAMESPACE_END
+
+}} // namespace boost::spirit
+
+#endif
+