// Streambuf iterators
-// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
+// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
// Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
-// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
// USA.
// As a special exception, you may use this file as part of a free software
#include <streambuf>
#include <debug/debug.h>
-// NB: Should specialize copy, find algorithms for streambuf iterators.
-
-namespace std
-{
+_GLIBCXX_BEGIN_NAMESPACE(std)
+
// 24.5.3 Template class istreambuf_iterator
/// Provides input iterator semantics for streambufs.
template<typename _CharT, typename _Traits>
typedef basic_istream<_CharT, _Traits> istream_type;
//@}
+ template<typename _CharT2>
+ friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+ ostreambuf_iterator<_CharT2> >::__type
+ copy(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>,
+ ostreambuf_iterator<_CharT2>);
+
+ template<typename _CharT2>
+ friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+ _CharT2*>::__type
+ __copy_aux(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>,
+ _CharT2*);
+
+ template<typename _CharT2>
+ friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+ istreambuf_iterator<_CharT2> >::__type
+ find(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>,
+ const _CharT2&);
+
private:
// 24.5.3 istreambuf_iterator
// p 1
{
const bool __thiseof = _M_at_eof();
const bool __beof = __b._M_at_eof();
- return (__thiseof && __beof || (!__thiseof && !__beof));
+ return ((__thiseof && __beof) || (!__thiseof && !__beof));
}
private:
typedef basic_ostream<_CharT, _Traits> ostream_type;
//@}
+ template<typename _CharT2>
+ friend typename __gnu_cxx::__enable_if<__is_char<_CharT2>::__value,
+ ostreambuf_iterator<_CharT2> >::__type
+ copy(istreambuf_iterator<_CharT2>, istreambuf_iterator<_CharT2>,
+ ostreambuf_iterator<_CharT2>);
+
private:
streambuf_type* _M_sbuf;
bool _M_failed;
return *this;
}
};
-} // namespace std
+
+ // Overloads for streambuf iterators.
+ template<typename _CharT>
+ typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+ ostreambuf_iterator<_CharT> >::__type
+ copy(istreambuf_iterator<_CharT> __first,
+ istreambuf_iterator<_CharT> __last,
+ ostreambuf_iterator<_CharT> __result)
+ {
+ if (__first._M_sbuf && !__last._M_sbuf && !__result._M_failed)
+ {
+ bool __ineof;
+ __copy_streambufs_eof(__first._M_sbuf, __result._M_sbuf, __ineof);
+ if (!__ineof)
+ __result._M_failed = true;
+ }
+ return __result;
+ }
+
+ template<typename _CharT>
+ typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+ ostreambuf_iterator<_CharT> >::__type
+ __copy_aux(_CharT* __first, _CharT* __last,
+ ostreambuf_iterator<_CharT> __result)
+ {
+ const streamsize __num = __last - __first;
+ if (__num > 0)
+ __result._M_put(__first, __num);
+ return __result;
+ }
+
+ template<typename _CharT>
+ typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+ ostreambuf_iterator<_CharT> >::__type
+ __copy_aux(const _CharT* __first, const _CharT* __last,
+ ostreambuf_iterator<_CharT> __result)
+ {
+ const streamsize __num = __last - __first;
+ if (__num > 0)
+ __result._M_put(__first, __num);
+ return __result;
+ }
+
+ template<typename _CharT>
+ typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+ _CharT*>::__type
+ __copy_aux(istreambuf_iterator<_CharT> __first,
+ istreambuf_iterator<_CharT> __last, _CharT* __result)
+ {
+ typedef istreambuf_iterator<_CharT> __is_iterator_type;
+ typedef typename __is_iterator_type::traits_type traits_type;
+ typedef typename __is_iterator_type::streambuf_type streambuf_type;
+ typedef typename traits_type::int_type int_type;
+
+ if (__first._M_sbuf && !__last._M_sbuf)
+ {
+ streambuf_type* __sb = __first._M_sbuf;
+ int_type __c = __sb->sgetc();
+ while (!traits_type::eq_int_type(__c, traits_type::eof()))
+ {
+ const streamsize __n = __sb->egptr() - __sb->gptr();
+ if (__n > 1)
+ {
+ traits_type::copy(__result, __sb->gptr(), __n);
+ __sb->gbump(__n);
+ __result += __n;
+ __c = __sb->underflow();
+ }
+ else
+ {
+ *__result++ = traits_type::to_char_type(__c);
+ __c = __sb->snextc();
+ }
+ }
+ }
+ return __result;
+ }
+
+ template<typename _CharT>
+ typename __gnu_cxx::__enable_if<__is_char<_CharT>::__value,
+ istreambuf_iterator<_CharT> >::__type
+ find(istreambuf_iterator<_CharT> __first,
+ istreambuf_iterator<_CharT> __last, const _CharT& __val)
+ {
+ typedef istreambuf_iterator<_CharT> __is_iterator_type;
+ typedef typename __is_iterator_type::traits_type traits_type;
+ typedef typename __is_iterator_type::streambuf_type streambuf_type;
+ typedef typename traits_type::int_type int_type;
+
+ if (__first._M_sbuf && !__last._M_sbuf)
+ {
+ const int_type __ival = traits_type::to_int_type(__val);
+ streambuf_type* __sb = __first._M_sbuf;
+ int_type __c = __sb->sgetc();
+ while (!traits_type::eq_int_type(__c, traits_type::eof())
+ && !traits_type::eq_int_type(__c, __ival))
+ {
+ streamsize __n = __sb->egptr() - __sb->gptr();
+ if (__n > 1)
+ {
+ const _CharT* __p = traits_type::find(__sb->gptr(),
+ __n, __val);
+ if (__p)
+ __n = __p - __sb->gptr();
+ __sb->gbump(__n);
+ __c = __sb->sgetc();
+ }
+ else
+ __c = __sb->snextc();
+ }
+
+ if (!traits_type::eq_int_type(__c, traits_type::eof()))
+ __first._M_c = __c;
+ else
+ __first._M_sbuf = 0;
+ }
+ return __first;
+ }
+
+_GLIBCXX_END_NAMESPACE
+
#endif