// Versatile string utility -*- C++ -*-
-// Copyright (C) 2005 Free Software Foundation, Inc.
+// Copyright (C) 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
-// 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-// USA.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
-// As a special exception, you may use this file as part of a free software
-// library without restriction. Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License. This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+// <http://www.gnu.org/licenses/>.
/** @file ext/vstring_util.h
* This file is a GNU extension to the Standard C++ Library.
#include <debug/debug.h>
#include <bits/stl_function.h> // For less
#include <bits/functexcept.h>
-#include <locale>
-#include <algorithm> // For std::distance, srd::search.
+#include <bits/localefwd.h>
+#include <bits/ostream_insert.h>
+#include <bits/stl_iterator.h>
+#include <ext/numeric_traits.h>
+#include <bits/move.h>
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
typedef _Traits traits_type;
typedef typename _Traits::char_type value_type;
typedef typename _CharT_alloc_type::size_type size_type;
+ typedef typename _CharT_alloc_type::difference_type difference_type;
typedef typename _CharT_alloc_type::pointer pointer;
typedef typename _CharT_alloc_type::const_pointer const_pointer;
__const_rc_iterator;
// NB: When the allocator is empty, deriving from it saves space
- // (http://www.cantrip.org/emptyopt.html). We do that anyway for
- // consistency.
- template<typename _Alloc1, bool = std::__is_empty<_Alloc1>::__value>
+ // (http://www.cantrip.org/emptyopt.html).
+ template<typename _Alloc1>
struct _Alloc_hider
: public _Alloc1
{
- _Alloc_hider(const _Alloc1& __a, _CharT* __ptr)
- : _Alloc1(__a), _M_p(__ptr) { }
+ _Alloc_hider(_CharT* __ptr)
+ : _Alloc1(), _M_p(__ptr) { }
- void
- _M_alloc_swap(_Alloc_hider& __ah)
- {
- // Implement Option 3 of DR 431 (see N1599).
- // Precondition: swappable allocators.
- _Alloc1& __this = static_cast<_Alloc1&>(*this);
- _Alloc1& __that = static_cast<_Alloc1&>(__ah);
- if (__this != __that)
- swap(__this, __that);
- }
-
- _CharT* _M_p; // The actual data.
- };
-
- template<typename _Alloc1>
- struct _Alloc_hider<_Alloc1, true>
- : public _Alloc1
- {
_Alloc_hider(const _Alloc1& __a, _CharT* __ptr)
: _Alloc1(__a), _M_p(__ptr) { }
- void _M_alloc_swap(_Alloc_hider&) { }
-
_CharT* _M_p; // The actual data.
};
- // For use in _M_construct (_S_construct) forward_iterator_tag.
- template<typename _Type>
- static bool
- _S_is_null_pointer(_Type* __ptr)
- { return __ptr == 0; }
-
- template<typename _Type>
- static bool
- _S_is_null_pointer(_Type)
- { return false; }
-
// When __n = 1 way faster than the general multichar
// traits_type::copy/move/assign.
static void
static void
_S_copy_chars(_CharT* __p, const _CharT* __k1, const _CharT* __k2)
{ _S_copy(__p, __k1, __k2 - __k1); }
+
+ static int
+ _S_compare(size_type __n1, size_type __n2)
+ {
+ const difference_type __d = difference_type(__n1 - __n2);
+
+ if (__d > __numeric_traits_integer<int>::__max)
+ return __numeric_traits_integer<int>::__max;
+ else if (__d < __numeric_traits_integer<int>::__min)
+ return __numeric_traits_integer<int>::__min;
+ else
+ return int(__d);
+ }
};
_GLIBCXX_END_NAMESPACE