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Add class DoublyLinkedList.

It internally uses std::list with PoolAllocator.
This commit is contained in:
Adriano dos Santos Fernandes 2022-03-04 20:44:33 -03:00 committed by Adriano dos Santos Fernandes
parent 4bf1b80865
commit f4bc127704
3 changed files with 153 additions and 0 deletions

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@ -124,6 +124,7 @@
<ClInclude Include="..\..\..\src\common\classes\ClumpletWriter.h" />
<ClInclude Include="..\..\..\src\common\classes\condition.h" />
<ClInclude Include="..\..\..\src\common\classes\DbImplementation.h" />
<ClInclude Include="..\..\..\src\common\classes\DoublyLinkedList.h" />
<ClInclude Include="..\..\..\src\common\classes\fb_atomic.h" />
<ClInclude Include="..\..\..\src\common\classes\fb_pair.h" />
<ClInclude Include="..\..\..\src\common\classes\fb_string.h" />

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@ -392,6 +392,9 @@
<ClInclude Include="..\..\..\src\common\classes\DbImplementation.h">
<Filter>headers</Filter>
</ClInclude>
<ClInclude Include="..\..\..\src\common\classes\DoublyLinkedList.h">
<Filter>headers</Filter>
</ClInclude>
<ClInclude Include="..\..\..\src\common\classes\fb_atomic.h">
<Filter>headers</Filter>
</ClInclude>

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@ -0,0 +1,149 @@
/*
* The contents of this file are subject to the Initial
* Developer's Public License Version 1.0 (the "License");
* you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_idpl.
*
* Software distributed under the License is distributed AS IS,
* WITHOUT WARRANTY OF ANY KIND, either express or implied.
* See the License for the specific language governing rights
* and limitations under the License.
*
* The Original Code was created by Adriano dos Santos Fernandes
* for the Firebird Open Source RDBMS project.
*
* Copyright (c) 2022 Adriano dos Santos Fernandes <adrianosf@gmail.com>
* and all contributors signed below.
*
* All Rights Reserved.
* Contributor(s): ______________________________________.
*/
#ifndef CLASSES_DOUBLY_LINKED_LIST_H
#define CLASSES_DOUBLY_LINKED_LIST_H
#include "../common/classes/alloc.h"
#include <list>
#include <utility>
namespace Firebird
{
template <typename T>
class DoublyLinkedList
{
private:
using StdList = std::list<T, PoolAllocator<T>>;
public:
using Iterator = typename StdList::iterator;
using ConstIterator = typename StdList::const_iterator;
public:
explicit DoublyLinkedList(MemoryPool& p)
: stdList(p)
{
}
public:
constexpr T& front() noexcept
{
return stdList.front();
}
constexpr const T& front() const noexcept
{
return stdList.front();
}
constexpr T& back() noexcept
{
return stdList.back();
}
constexpr const T& back() const noexcept
{
return stdList.back();
}
constexpr Iterator begin() noexcept
{
return stdList.begin();
}
constexpr ConstIterator begin() const noexcept
{
return stdList.begin();
}
constexpr ConstIterator cbegin() const noexcept
{
return stdList.cbegin();
}
constexpr Iterator end() noexcept
{
return stdList.end();
}
constexpr ConstIterator end() const noexcept
{
return stdList.end();
}
constexpr ConstIterator cend() const noexcept
{
return stdList.cend();
}
constexpr bool isEmpty() const noexcept
{
return stdList.empty();
}
constexpr void clear() noexcept
{
stdList.clear();
}
constexpr void erase(Iterator pos)
{
stdList.erase(pos);
}
constexpr void erase(ConstIterator pos)
{
stdList.erase(pos);
}
constexpr void pushBack(const T& value)
{
stdList.push_back(value);
}
constexpr void pushBack(T&& value)
{
stdList.push_back(std::move(value));
}
constexpr void splice(ConstIterator pos, DoublyLinkedList<T>& other, ConstIterator it)
{
fb_assert(stdList.get_allocator() == other.stdList.get_allocator());
stdList.splice(pos, other.stdList, it);
}
constexpr void splice(ConstIterator pos, DoublyLinkedList<T>&& other, ConstIterator it)
{
fb_assert(stdList.get_allocator() == other.stdList.get_allocator());
stdList.splice(pos, std::move(other.stdList), it);
}
private:
StdList stdList;
};
} // namespace Firebird
#endif // CLASSES_DOUBLY_LINKED_LIST_H