/* * (c) Copyright Ascensio System SIA 2010-2023 * * This program is a free software product. You can redistribute it and/or * modify it under the terms of the GNU Affero General Public License (AGPL) * version 3 as published by the Free Software Foundation. In accordance with * Section 7(a) of the GNU AGPL its Section 15 shall be amended to the effect * that Ascensio System SIA expressly excludes the warranty of non-infringement * of any third-party rights. * * This program is distributed WITHOUT ANY WARRANTY; without even the implied * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For * details, see the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html * * You can contact Ascensio System SIA at 20A-6 Ernesta Birznieka-Upish * street, Riga, Latvia, EU, LV-1050. * * The interactive user interfaces in modified source and object code versions * of the Program must display Appropriate Legal Notices, as required under * Section 5 of the GNU AGPL version 3. * * Pursuant to Section 7(b) of the License you must retain the original Product * logo when distributing the program. Pursuant to Section 7(e) we decline to * grant you any rights under trademark law for use of our trademarks. * * All the Product's GUI elements, including illustrations and icon sets, as * well as technical writing content are licensed under the terms of the * Creative Commons Attribution-ShareAlike 4.0 International. See the License * terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode * */ #include "PropertyFactory.h" #include "CodePageOle.h" #include "../../XlsFile/Format/Binary/CFStream.h" namespace OLEPS { PropertyPtr PropertyFactory::ReadProperty(const unsigned int prop_id, XLS::CFStreamPtr stream, const unsigned int property_offset) { stream->seekFromBegin(property_offset); unsigned short value_type; if (stream->getStreamPointer() + 2 > stream->getStreamSize()) return PropertyPtr(); *stream >> value_type; stream->seekFromCurForward(2); // Skip 2 reserved unsigned chars value_type = value_type & 0x00ff; PropertyPtr property_; if (prop_id == CODEPAGE || prop_id == CODEPAGEEXT) { property_ = PropertyPtr(new PropertyCodePage(prop_id, value_type)); property_->Read(stream); PropertyCodePagePtr property_CodePage = boost::dynamic_pointer_cast(property_); if(property_CodePage) { code_page = property_CodePage->code_page; } } else if (prop_id == HEADINGPAIR) { property_ = PropertyPtr(new PropertyVecHeadingPair(prop_id, value_type, code_page)); } else if (prop_id == DOCPARTS) { property_ = PropertyPtr(new PropertyVecString(prop_id, value_type, code_page)); } else if (prop_id == DIGSIG) { property_ = PropertyPtr(new PropertyDigSig(prop_id, value_type)); } else { if (value_type == Property::VT_LPSTR) { property_ = PropertyPtr(new PropertyString(prop_id, value_type, code_page)); } else if (value_type == Property::VT_LPWSTR) { property_ = PropertyPtr(new PropertyWString(prop_id, value_type)); } else if (value_type == Property::VT_I4) { property_ = PropertyPtr(new PropertyInt(prop_id, value_type)); } else if (value_type == Property::VT_BOOL) { property_ = PropertyPtr(new PropertyBool(prop_id, value_type)); } else if (value_type == Property::VT_FILETIME) { property_ = PropertyPtr(new PropertyDTM(prop_id, value_type)); } else { //skip } } if (property_) { property_->Read(stream); } return property_; } } // namespace OLEPS