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Diffstat (limited to 'libstdc++-v3/include/debug/safe_association.h')
| -rw-r--r-- | libstdc++-v3/include/debug/safe_association.h | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/libstdc++-v3/include/debug/safe_association.h b/libstdc++-v3/include/debug/safe_association.h new file mode 100644 index 00000000000..42c050050b8 --- /dev/null +++ b/libstdc++-v3/include/debug/safe_association.h @@ -0,0 +1,210 @@ +// Safe associated container base class implementation -*- C++ -*- + +// Copyright (C) 2007 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) +// any later version. + +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// 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. + +// 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. + +/** @file debug/safe_association.h + * This file is a GNU debug extension to the Standard C++ Library. + */ + +#ifndef _GLIBCXX_DEBUG_SAFE_ASSOCIATION_H +#define _GLIBCXX_DEBUG_SAFE_ASSOCIATION_H 1 + +#include <debug/debug.h> +#include <debug/macros.h> +#include <debug/functions.h> +#include <debug/formatter.h> +#include <debug/safe_sequence.h> + +namespace __gnu_debug +{ + /** + * @brief Base class for constructing a "safe" associated container type. + * + * The class template %_Safe_association simplifies the construction of + * "safe" associated containers. + */ + template<typename _Base> + class _Safe_association + : public _Base + { + public: + typedef typename _Base::size_type size_type; + typedef typename _Base::hasher hasher; + typedef typename _Base::key_equal key_equal; + typedef typename _Base::allocator_type allocator_type; + + typedef typename _Base::key_type key_type; + typedef typename _Base::value_type value_type; + typedef typename _Base::difference_type difference_type; + typedef typename _Base::reference reference; + typedef typename _Base::const_reference const_reference; + + typedef __gnu_debug::_Safe_iterator<typename _Base::iterator, + _Safe_association> + iterator; + typedef __gnu_debug::_Safe_iterator<typename _Base::const_iterator, + _Safe_association> + const_iterator; + + _Safe_association() { } + + explicit _Safe_association(size_type __n) : _Base(__n) { } + + _Safe_association(size_type __n, const hasher& __hf) + : _Base(__n, __hf) { } + + _Safe_association(size_type __n, const hasher& __hf, + const key_equal& __eql, + const allocator_type& __a = allocator_type()) + : _Base(__n, __hf, __eql, __a) { } + + template<typename _InputIter> + _Safe_association(_InputIter __f, _InputIter __l) + : _Base(__gnu_debug::__check_valid_range(__f, __l), __l) { } + + template<typename _InputIter> + _Safe_association(_InputIter __f, _InputIter __l, size_type __n) + : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n) { } + + template<typename _InputIter> + _Safe_association(_InputIter __f, _InputIter __l, size_type __n, + const hasher& __hf) + : _Base(__gnu_debug::__check_valid_range(__f, __l), __l, __n, __hf) + { } + + template<typename _InputIter> + _Safe_association(_InputIter __f, _InputIter __l, size_type __n, + const hasher& __hf, const key_equal& __eql, + const allocator_type& __a = allocator_type()) + : _Base(__gnu_debug::__check_valid_range(__f, __l), + __l, __n, __hf, __eql, __a) + { } + + _Safe_association(const _Base& __x) : _Base(__x) { } + + _Safe_association(_Safe_association&& __x) + : _Base(std::forward<_Base>(__x)) { } + + using _Base::size; + using _Base::max_size; + using _Base::empty; + using _Base::get_allocator; + using _Base::key_eq; + + using _Base::count; + using _Base::bucket_count; + using _Base::max_bucket_count; + using _Base::bucket; + using _Base::bucket_size; + using _Base::load_factor; + + const_iterator + begin() const { return const_iterator(_Base::begin(), this); } + + const_iterator + end() const { return const_iterator(_Base::end(), this); } + + std::pair<iterator, bool> + insert(const value_type& __obj) + { + typedef std::pair<typename _Base::iterator, bool> __pair_type; + __pair_type __res = _Base::insert(__obj); + return std::make_pair(iterator(__res.first, this), __res.second); + } + + void + insert(const value_type* __first, const value_type* __last) + { + __glibcxx_check_valid_range(__first, __last); + _Base::insert(__first, __last); + } + + template<typename _InputIter> + void + insert(_InputIter __first, _InputIter __last) + { + __glibcxx_check_valid_range(__first, __last); + _Base::insert(__first.base(), __last.base()); + } + + const_iterator + find(const key_type& __key) const + { return const_iterator(_Base::find(__key), this); } + + std::pair<const_iterator, const_iterator> + equal_range(const key_type& __key) const + { + typedef typename _Base::const_iterator _Base_iterator; + typedef std::pair<_Base_iterator, _Base_iterator> __pair_type; + __pair_type __res = _Base::equal_range(__key); + return std::make_pair(const_iterator(__res.first, this), + const_iterator(__res.second, this)); + } + + size_type + erase(const key_type& __key) + { + size_type __ret(0); + iterator __victim(_Base::find(__key), this); + if (__victim != end()) + { + this->erase(__victim); + __ret = 1; + } + return __ret; + } + + iterator + erase(iterator __it) + { + __glibcxx_check_erase(__it); + __it._M_invalidate(); + return iterator(_Base::erase(__it.base())); + } + + iterator + erase(iterator __first, iterator __last) + { + __glibcxx_check_erase_range(__first, __last); + for (iterator __tmp = __first; __tmp != __last;) + { + iterator __victim = __tmp++; + __victim._M_invalidate(); + } + return iterator(_Base::erase(__first.base(), __last.base())); + } + + _Base& + _M_base() { return *this; } + + const _Base& + _M_base() const { return *this; } + }; +} // namespace __gnu_debug + +#endif |