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122 lines
4.4 KiB
C++
122 lines
4.4 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2019
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*
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* This program is a free software product. You can redistribute it and/or
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* modify it under the terms of the GNU Affero General Public License (AGPL)
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* version 3 as published by the Free Software Foundation. In accordance with
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* Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect
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* that Ascensio System SIA expressly excludes the warranty of non-infringement
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* of any third-party rights.
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*
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* This program is distributed WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For
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* details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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*
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* You can contact Ascensio System SIA at 20A-12 Ernesta Birznieka-Upisha
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* street, Riga, Latvia, EU, LV-1050.
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*
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* The interactive user interfaces in modified source and object code versions
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* of the Program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU AGPL version 3.
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*
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* Pursuant to Section 7(b) of the License you must retain the original Product
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* logo when distributing the program. Pursuant to Section 7(e) we decline to
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* grant you any rights under trademark law for use of our trademarks.
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*
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* All the Product's GUI elements, including illustrations and icon sets, as
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* well as technical writing content are licensed under the terms of the
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* Creative Commons Attribution-ShareAlike 4.0 International. See the License
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* terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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*
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*/
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#ifndef _PDF_READER_LIST_H
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#define _PDF_READER_LIST_H
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namespace PdfReader
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{
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//------------------------------------------------------------------------
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// CList
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//------------------------------------------------------------------------
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class CList
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{
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public:
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// Создаем пустой список.
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CList();
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// Создаем пустой список с с выделенной памятью под <nSize> элементов.
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CList(int nSize);
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// Деструктор.
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~CList();
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int GetLength()
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{
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return m_nCount;
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}
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// Возвращает <nIndex>Ый элемент.
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// Если 0 <= nIndex < m_nCount, возвращает NULL.
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void *GetByIndex(int nIndex)
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{
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if (nIndex < 0 || nIndex >= m_nCount)
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return NULL;
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return m_ppData[nIndex];
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}
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// Добавляем элемент в окнец списка.
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void Append(void *pItem);
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// Добавляем другой список в конец данного.
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void Append(CList *pList);
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// Вставляем элемент на место <nIndex>.
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// Если !(0 <= nIndex <= m_nCount), ничего не делаем.
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void Insert(int nIndex, void *pItem);
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// Удаляем из списка и возвращаем ссылку на элемент.
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// Если !(0 <= nIndex <= m_nCount), ничего не делаем.
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void *Delete(int nIndex);
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// Сортируем список, в соответствии с данной функцией
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// сранвения.
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void Sort(int(*CompareFunc)(const void *pItem1, const void *pItem2));
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// Если m_nIncreament > 0, тогда при расширении списка ровно
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// m_nIncreament элементов будет добавляться. Если m_nIncreament <= 0,
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// тогда список будем удваивать при расширении.
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void SetAllocationIncreament(int nIncreament)
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{
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m_nIncreament = nIncreament;
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}
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private:
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void Expand();
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void Shrink();
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private:
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void **m_ppData; // список элементов
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int m_nItemSize; // размер данных в массиве
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int m_nCount; // количестов элементов в списке
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int m_nIncreament; // на сколько будем увеличивать список
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};
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#define DeleteCList(list, T) \
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do { \
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CList *_list = (list); \
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{ \
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int _i; \
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for (_i = 0; _i < _list->GetLength(); ++_i) { \
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delete (T*)_list->GetByIndex(_i); \
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} \
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delete _list; \
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} \
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} while (0)
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}
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#endif // _PDF_READER_LIST_H
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