131 lines
4.3 KiB
C++
131 lines
4.3 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2023
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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-6 Ernesta Birznieka-Upish
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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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#include "HeaderAndFooterTable.h"
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#include <algorithm>
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namespace DocFileFormat
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{
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HeaderAndFooterTable::HeaderAndFooterTable (FileInformationBlock* fib, POLE::Stream* pTableStream)
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{
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m_nCurrentIndex = 0;
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VirtualStreamReader tableReader (pTableStream, fib->m_FibWord97.fcPlcfHdd, fib->m_nWordVersion);
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if (fib->m_FibWord97.fcPlcfHdd > tableReader.GetSize()) return;
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unsigned int tableSize = fib->m_FibWord97.lcbPlcfHdd / 4;//in bytes
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if ( tableSize < 1 || fib->m_RgLw97.ccpHdr <1 )
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return;
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int* table = new int[tableSize];
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for (unsigned int i = 0; i < tableSize; ++i)
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{
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table[i] = tableReader.ReadInt32();
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}
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int initialPos = fib->m_RgLw97.ccpText + fib->m_RgLw97.ccpFtn;
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int count = 0;
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int pos = (fib->m_FibBase.fComplex || fib->m_nWordVersion == 0) ? 6 : 0;
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//the first 6 _entries are about footnote and endnote formatting -Word97 so skip these
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std::vector<std::vector<CharacterRange*>*> arHeadersFooters;
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if (fib->m_nWordVersion == 2)
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{
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count = ( tableSize - 1);
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}
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else
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{
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count = ( tableSize - pos - 1) / 6;
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arHeadersFooters.push_back(&m_arEvenHeaders);
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arHeadersFooters.push_back(&m_arOddHeaders);
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arHeadersFooters.push_back(&m_arEvenFooters);
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arHeadersFooters.push_back(&m_arOddFooters);
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arHeadersFooters.push_back(&m_arFirstHeaders);
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arHeadersFooters.push_back(&m_arFirstFooters);
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}
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for (int i = 0; i < count; ++i)
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{
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//Even Header
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if (fib->m_nWordVersion == 2)
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{
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if ( table[pos] == table[pos + 1] )
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{
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m_arCommonHeadersFooters.push_back( NULL );
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}
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else
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{
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m_arCommonHeadersFooters.push_back( new CharacterRange( initialPos + table[pos], table[pos + 1] - table[pos]) );
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}
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pos++;
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}
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else
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{
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for (size_t j = 0; j < 6; j++)
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{
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if ( table[pos] == table[pos + 1] )
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{
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arHeadersFooters[j]->push_back( NULL );
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}
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else
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{
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arHeadersFooters[j]->push_back( new CharacterRange( initialPos + table[pos], table[pos + 1] - table[pos]) );
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}
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pos++;
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if (pos >= tableSize) break;
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}
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}
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if (pos >= tableSize) break;
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}
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RELEASEARRAYOBJECTS(table);
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}
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HeaderAndFooterTable::~HeaderAndFooterTable()
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{
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for_each (m_arEvenFooters.begin(), m_arEvenFooters.end(), DeleteDynamicObject());
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for_each (m_arEvenHeaders.begin(), m_arEvenHeaders.end(), DeleteDynamicObject());
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for_each (m_arFirstFooters.begin(), m_arFirstFooters.end(), DeleteDynamicObject());
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for_each (m_arFirstHeaders.begin(), m_arFirstHeaders.end(), DeleteDynamicObject());
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for_each (m_arOddFooters.begin(), m_arOddFooters.end(), DeleteDynamicObject());
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for_each (m_arOddHeaders.begin(), m_arOddHeaders.end(), DeleteDynamicObject());
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for_each (m_arCommonHeadersFooters.begin(), m_arCommonHeadersFooters.end(), DeleteDynamicObject());
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}
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} |