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127 lines
3.5 KiB
C++
127 lines
3.5 KiB
C++
/*
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* (c) Copyright Ascensio System SIA 2010-2016
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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 Lubanas st. 125a-25, Riga, Latvia,
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* EU, LV-1021.
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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 <stddef.h>
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#include <string.h>
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#include "MemoryUtils.h"
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#include "Object.h"
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#include "XRef.h"
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#include "Dict.h"
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namespace PdfReader
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{
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//------------------------------------------------------------------------
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// Dict
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//------------------------------------------------------------------------
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Dict::Dict(XRef *pXref)
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{
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m_pXref = pXref;
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m_arrEntries = NULL;
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m_nEntriesSize = m_nEntriesCount = 0;
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m_nRef = 1;
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}
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Dict::~Dict()
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{
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for (int nIndex = 0; nIndex < m_nEntriesCount; ++nIndex)
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{
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MemUtilsFree(m_arrEntries[nIndex].sKey);
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m_arrEntries[nIndex].oValue.Free();
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}
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MemUtilsFree(m_arrEntries);
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}
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void Dict::AddItem(char *sKey, Object *pValue)
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{
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if (m_nEntriesCount == m_nEntriesSize)
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{
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if (0 == m_nEntriesCount)
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{
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m_nEntriesSize = 8;
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}
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else
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{
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m_nEntriesSize *= 2;
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}
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m_arrEntries = (DictEntry *)MemUtilsReallocArray(m_arrEntries, m_nEntriesSize, sizeof(DictEntry));
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}
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m_arrEntries[m_nEntriesCount].sKey = sKey;
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m_arrEntries[m_nEntriesCount].oValue = *pValue;
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++m_nEntriesCount;
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}
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inline DictEntry *Dict::Find(char *sKey)
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{
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for (int nIndex = 0; nIndex < m_nEntriesCount; ++nIndex)
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{
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if (!strcmp(sKey, m_arrEntries[nIndex].sKey))
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return &m_arrEntries[nIndex];
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}
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return NULL;
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}
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bool Dict::CheckType(char *sType)
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{
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DictEntry *pEntry = NULL;
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return (pEntry = Find("Type")) && pEntry->oValue.IsName(sType);
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}
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Object *Dict::Search(char *sKey, Object *pObj)
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{
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DictEntry *pEntry = NULL;
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return (pEntry = Find(sKey)) ? pEntry->oValue.Fetch(m_pXref, pObj) : pObj->InitNull();
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}
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Object *Dict::SearchAndCopy(char *sKey, Object *pObj)
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{
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DictEntry *pEntry = NULL;
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return (pEntry = Find(sKey)) ? pEntry->oValue.Copy(pObj) : pObj->InitNull();
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}
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char *Dict::GetKey(int nIndex)
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{
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return m_arrEntries[nIndex].sKey;
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}
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Object *Dict::GetValue(int nIndex, Object *pObj)
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{
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return m_arrEntries[nIndex].oValue.Fetch(m_pXref, pObj);
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}
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Object *Dict::GetValueCopy(int nIndex, Object *pObj)
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{
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return m_arrEntries[nIndex].oValue.Copy(pObj);
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}
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} |