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core/PdfFile/SrcWriter/Metadata.cpp

111 lines
3.8 KiB
C++

/*
* (c) Copyright Ascensio System SIA 2010-2019
*
* 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-12 Ernesta Birznieka-Upisha
* 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 "Metadata.h"
#include "Streams.h"
#include "Info.h"
#include "../../DesktopEditor/common/SystemUtils.h"
#include "../../OOXML/Base/Base.h"
namespace PdfWriter
{
//----------------------------------------------------------------------------------------
// Metadata
//----------------------------------------------------------------------------------------
CMetadata::CMetadata(CXref* pXref, CInfoDict* pInfo)
{
pXref->Add(this);
Add("Type", "Metadata");
Add("Subtype", "XML");
m_pStream = new CMemoryStream();
SetStream(pXref, m_pStream);
std::string sXML;
unsigned char strBOM[4] = { 0xEF, 0xBB, 0xBF, 0 };
std::string sBOM((char*)strBOM);
// Begin
sXML += ("<?xpacket begin=\"" + sBOM + "\" id=\"W5M0MpCehiHzreSzNTczkc9d\"?>\n<x:xmpmeta xmlns:x=\"adobe:ns:meta/\" x:xmptk=\"3.1-701\">\n<rdf:RDF xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\">\n");
// Producer
sXML += "<rdf:Description rdf:about=\"\" xmlns:pdf=\"http://ns.adobe.com/pdf/1.3/\">\n";
sXML += "<pdf:Producer>";
sXML += pInfo->GetInfo(InfoProducer);
sXML += "</pdf:Producer>\n";
sXML += "</rdf:Description>\n";
// Creator Tool
std::wstring sApplication = NSSystemUtils::GetEnvVariable(NSSystemUtils::gc_EnvApplicationName);
if (sApplication.empty())
sApplication = NSSystemUtils::gc_EnvApplicationNameDefault;
sXML += "<rdf:Description rdf:about=\"\" xmlns:xmp=\"http://ns.adobe.com/xap/1.0/\">\n";
sXML += "<xmp:CreatorTool>";
sXML += NSFile::CUtf8Converter::GetUtf8StringFromUnicode(sApplication);
#if defined(INTVER)
sXML += "/";
sXML += VALUE2STR(INTVER);
#endif
sXML += "</xmp:CreatorTool>\n";
TDate oDate = pInfo->GetDate();
sXML += "<xmp:CreateDate>";
oDate.AppendToString(sXML);
sXML += "</xmp:CreateDate>";
sXML += "<xmp:ModifyDate>";
oDate.AppendToString(sXML);
sXML += "</xmp:ModifyDate>";
sXML += "</rdf:Description>\n";
if (pXref->IsPDFA())
{
sXML += "<rdf:Description rdf:about=\"\" xmlns:pdfaid=\"http://www.aiim.org/pdfa/ns/id/\">\n";
sXML += "<pdfaid:part>1</pdfaid:part><pdfaid:conformance>A</pdfaid:conformance>\n";
sXML += "</rdf:Description>";
}
// End
sXML += "</rdf:RDF>\n</x:xmpmeta><?xpacket end=\"w\"?>";
m_pStream->WriteStr(sXML.c_str());
}
}