sub_match.hpp

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template <class RandomAccessIterator>
inline bool operator >= (const sub_match<RandomAccessIterator>& m,
                  typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s)
{ return m.str().compare(s) >= 0; }
template <class RandomAccessIterator>
inline bool operator <= (const sub_match<RandomAccessIterator>& m,
                  typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s)
{ return m.str().compare(s) <= 0; }
// comparison to const charT* part 2:
template <class RandomAccessIterator>
inline bool operator == (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) == 0; }
template <class RandomAccessIterator>
inline bool operator != (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) != 0; }
template <class RandomAccessIterator>
inline bool operator < (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) > 0; }
template <class RandomAccessIterator>
inline bool operator > (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) < 0; }
template <class RandomAccessIterator>
inline bool operator <= (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) >= 0; }
template <class RandomAccessIterator>
inline bool operator >= (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(s) <= 0; }

// comparison to const charT& part 1:
template <class RandomAccessIterator>
inline bool operator == (const sub_match<RandomAccessIterator>& m,
                  typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) == 0; }
template <class RandomAccessIterator>
inline bool operator != (const sub_match<RandomAccessIterator>& m,
                  typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) != 0; }
template <class RandomAccessIterator>
inline bool operator > (const sub_match<RandomAccessIterator>& m,
                  typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) > 0; }
template <class RandomAccessIterator>
inline bool operator < (const sub_match<RandomAccessIterator>& m,
                  typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) < 0; }
template <class RandomAccessIterator>
inline bool operator >= (const sub_match<RandomAccessIterator>& m,
                  typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) >= 0; }
template <class RandomAccessIterator>
inline bool operator <= (const sub_match<RandomAccessIterator>& m,
                  typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{ return m.str().compare(0, m.length(), &s, 1) <= 0; }
// comparison to const charT* part 2:
template <class RandomAccessIterator>
inline bool operator == (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) == 0; }
template <class RandomAccessIterator>
inline bool operator != (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) != 0; }
template <class RandomAccessIterator>
inline bool operator < (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) > 0; }
template <class RandomAccessIterator>
inline bool operator > (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) < 0; }
template <class RandomAccessIterator>
inline bool operator <= (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) >= 0; }
template <class RandomAccessIterator>
inline bool operator >= (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
                  const sub_match<RandomAccessIterator>& m)
{ return m.str().compare(0, m.length(), &s, 1) <= 0; }

// addition operators:
template <class RandomAccessIterator, class traits, class Allocator>
inline std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator> 
operator + (const std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s,
                  const sub_match<RandomAccessIterator>& m)
{
   std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator> result;
   result.reserve(s.size() + m.length() + 1);
   return result.append(s).append(m.first, m.second);
}
template <class RandomAccessIterator, class traits, class Allocator>
inline std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator> 
operator + (const sub_match<RandomAccessIterator>& m,
            const std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator>& s)
{
   std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type, traits, Allocator> result;
   result.reserve(s.size() + m.length() + 1);
   return result.append(m.first, m.second).append(s);
}
#if !(defined(__GNUC__) && defined(BOOST_NO_STD_LOCALE))
template <class RandomAccessIterator>
inline std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> 
operator + (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
                  const sub_match<RandomAccessIterator>& m)
{
   std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> result;
   result.reserve(std::char_traits<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type>::length(s) + m.length() + 1);
   return result.append(s).append(m.first, m.second);
}
template <class RandomAccessIterator>
inline std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> 
operator + (const sub_match<RandomAccessIterator>& m,
            typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const * s)
{
   std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> result;
   result.reserve(std::char_traits<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type>::length(s) + m.length() + 1);
   return result.append(m.first, m.second).append(s);
}
#else
// worwaround versions:
template <class RandomAccessIterator>
inline std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> 
operator + (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const* s,
                  const sub_match<RandomAccessIterator>& m)
{
   return s + m.str();
}
template <class RandomAccessIterator>
inline std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> 
operator + (const sub_match<RandomAccessIterator>& m,
            typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const * s)
{
   return m.str() + s;
}
#endif
template <class RandomAccessIterator>
inline std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> 
operator + (typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s,
                  const sub_match<RandomAccessIterator>& m)
{
   std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> result;
   result.reserve(m.length() + 2);
   return result.append(1, s).append(m.first, m.second);
}
template <class RandomAccessIterator>
inline std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> 
operator + (const sub_match<RandomAccessIterator>& m,
            typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type const& s)
{
   std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> result;
   result.reserve(m.length() + 2);
   return result.append(m.first, m.second).append(1, s);
}
template <class RandomAccessIterator>
inline std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> 
operator + (const sub_match<RandomAccessIterator>& m1,
            const sub_match<RandomAccessIterator>& m2)
{
   std::basic_string<typename re_detail::regex_iterator_traits<RandomAccessIterator>::value_type> result;
   result.reserve(m1.length() + m2.length() + 1);
   return result.append(m1.first, m1.second).append(m2.first, m2.second);
}
#ifndef BOOST_NO_STD_LOCALE
template <class charT, class traits, class RandomAccessIterator>
std::basic_ostream<charT, traits>&
   operator << (std::basic_ostream<charT, traits>& os,
                const sub_match<RandomAccessIterator>& s)
{
   return (os << s.str());
}
#else
template <class RandomAccessIterator>
std::ostream& operator << (std::ostream& os,
                           const sub_match<RandomAccessIterator>& s)
{
   return (os << s.str());
}
#endif

#ifdef BOOST_OLD_REGEX_H
namespace re_detail{
template <class BidiIterator, class charT>
int do_toi(BidiIterator i, BidiIterator j, char c, int radix)
{
   std::string s(i, j);
   char* p;
   int result = std::strtol(s.c_str(), &p, radix);
   if(*p)raise_regex_exception("Bad sub-expression");
   return result;
}

//
// helper:
template <class I, class charT>
int do_toi(I& i, I j, charT c)
{
   int result = 0;
   while((i != j) && (isdigit(*i)))
   {
      result = result*10 + (*i - '0');
      ++i;
   }
   return result;
}
}


template <class BidiIterator>
sub_match<BidiIterator>::operator int()const
{
   BidiIterator i = first;
   BidiIterator j = second;
   if(i == j)raise_regex_exception("Bad sub-expression");
   int neg = 1;
   if((i != j) && (*i == '-'))
   {
      neg = -1;
      ++i;
   }
   neg *= re_detail::do_toi(i, j, *i);
   if(i != j)raise_regex_exception("Bad sub-expression");
   return neg;
}
template <class BidiIterator>
sub_match<BidiIterator>::operator unsigned int()const
{
   BidiIterator i = first;
   BidiIterator j = second;
   if(i == j)
      raise_regex_exception("Bad sub-expression");
   return re_detail::do_toi(i, j, *first);
}
#endif

} // namespace boost

#ifdef BOOST_MSVC
#pragma warning(push)
#pragma warning(disable: 4103)
#endif
#ifdef BOOST_HAS_ABI_HEADERS
#  include BOOST_ABI_SUFFIX
#endif
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif

#endif