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Yajbir Singh f1b860b25c
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updated
2025-12-11 19:03:17 +05:30

400 lines
10 KiB
C++

/*
* (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 "Paragraph.h"
namespace PPTX
{
namespace Logic
{
Paragraph& Paragraph::operator=(const Paragraph& oSrc)
{
parentFile = oSrc.parentFile;
parentElement = oSrc.parentElement;
pPr = oSrc.pPr;
endParaRPr = oSrc.endParaRPr;
for (size_t i=0 ; i < oSrc.RunElems.size(); i++)
{
RunElems.push_back(oSrc.RunElems[i]);
}
return *this;
}
void Paragraph::fromXML2(XmlUtils::CXmlNode& node, bool bClear)
{
if (bClear)
{
RunElems.clear();
}
std::vector<XmlUtils::CXmlNode> oNodes;
if (node.GetNodes(_T("*"), oNodes))
{
size_t nCount = oNodes.size();
for (size_t i = 0; i < nCount; ++i)
{
XmlUtils::CXmlNode& oNode = oNodes[i];
std::wstring strName = XmlUtils::GetNameNoNS(oNode.GetName());
if (_T("pPr") == strName)
pPr = oNode;
else if (_T("endParaRPr") == strName)
endParaRPr = oNode;
else if ((_T("r") == strName) || (_T("fld") == strName) || (_T("br") == strName) || (_T("m") == strName))
{
RunElem elem;
elem = oNode;
RunElems.push_back(elem);
}
else if (_T("AlternateContent") == strName)
{
//code as in SpTreeElem.cpp
XmlUtils::CXmlNode oNodeChoice;
if (oNode.GetNode(_T("mc:Choice"), oNodeChoice))
{
XmlUtils::CXmlNode oNodeFall;
std::wstring sRequires;
//todo better check (a14 can be math, slicer)
if(oNodeChoice.GetAttributeIfExist(L"Requires", sRequires) && L"a14" == sRequires)
{
fromXML2(oNodeChoice, false);
}
else if (oNode.GetNode(_T("mc:Fallback"), oNodeFall))
{
fromXML2(oNodeFall, false);
}
}
}
}
}
FillParentPointersForChilds();
}
void Paragraph::fromXML2(XmlUtils::CXmlLiteReader& oReader, bool bClear)
{
if (bClear)
{
RunElems.clear();
}
ReadAttributes( oReader );
if ( oReader.IsEmptyNode() )
return;
int nParentDepth = oReader.GetDepth();
while( oReader.ReadNextSiblingNode( nParentDepth ) )
{
std::wstring strName = XmlUtils::GetNameNoNS(oReader.GetName());
if (_T("pPr") == strName)
pPr = oReader;
else if (_T("endParaRPr") == strName)
endParaRPr = oReader;
else if ((_T("r") == strName) || (_T("fld") == strName) || (_T("br") == strName) || (_T("m") == strName))
{
RunElem elem;
elem = oReader;
RunElems.push_back(elem);
}
else if (_T("AlternateContent") == strName)
{
if ( oReader.IsEmptyNode() )
continue;
int nParentDepth1 = oReader.GetDepth();
while( oReader.ReadNextSiblingNode( nParentDepth1 ) )
{
std::wstring strName1 = oReader.GetName();
if (_T("mc:Choice") == strName1)
{//GetAttributeIfExist(L"Requires", sRequires) && L"a14" == sRequires)
fromXML2(oReader, false);
break;
}
else if (_T("mc:Fallback") == strName1)
{
fromXML2(oReader, false);
}
}
}
}
}
void Paragraph::ReadAttributes(XmlUtils::CXmlLiteReader& oReader)
{
WritingElement_ReadAttributes_Start ( oReader )
WritingElement_ReadAttributes_End ( oReader )
}
void Paragraph::fromXML(XmlUtils::CXmlLiteReader& oReader)
{
fromXML2(oReader, true);
}
OOX::EElementType Paragraph::getType() const
{
return OOX::et_a_p;
}
void Paragraph::fromXML(XmlUtils::CXmlNode& node)
{
fromXML2(node, true);
}
void Paragraph::toXmlWriter(NSBinPptxRW::CXmlWriter* pWriter) const
{
pWriter->StartNode(_T("a:p"));
pWriter->EndAttributes();
if (pPr.is_init())
pPr->m_name = _T("a:pPr");
pWriter->Write(pPr);
size_t nCount = RunElems.size();
for (size_t i = 0; i < nCount; ++i)
RunElems[i].toXmlWriter(pWriter);
pWriter->Write(endParaRPr);
pWriter->EndNode(_T("a:p"));
}
void Paragraph::toPPTY(NSBinPptxRW::CBinaryFileWriter* pWriter) const
{
pWriter->WriteRecord2(0, pPr);
pWriter->WriteRecord2(1, endParaRPr);
pWriter->WriteRecordArray(2, 0, RunElems);
}
void Paragraph::fromPPTY(NSBinPptxRW::CBinaryFileReader* pReader)
{
LONG _end_rec = pReader->GetPos() + pReader->GetRecordSize() + 4;
while (pReader->GetPos() < _end_rec)
{
BYTE _at = pReader->GetUChar();
switch (_at)
{
case 0:
{
pPr = new Logic::TextParagraphPr();
pPr->fromPPTY(pReader);
break;
}
case 1:
{
endParaRPr = new Logic::RunProperties();
endParaRPr->m_name = _T("a:endParaRPr");
endParaRPr->fromPPTY(pReader);
break;
}
case 2:
{
pReader->Skip(4);
ULONG _c = pReader->GetULong();
for (ULONG i = 0; i < _c; ++i)
{
pReader->Skip(5); // type (0) + len
BYTE _type = pReader->GetUChar();
switch (_type)
{
case PARRUN_TYPE_RUN:
{
LONG _end = pReader->GetPos() + pReader->GetRecordSize() + 4;
pReader->Skip(1); // start attr
Logic::Run* pRun = new Logic::Run();
while (true)
{
BYTE _at2 = pReader->GetUChar_TypeNode();
if (_at2 == NSBinPptxRW::g_nodeAttributeEnd)
break;
if (0 == _at2)
pRun->SetText(pReader->GetString2());
}
while (pReader->GetPos() < _end)
{
BYTE _rec = pReader->GetUChar();
if (0 == _rec)
{
pRun->rPr = new Logic::RunProperties();
pRun->rPr->m_name = _T("a:rPr");
pRun->rPr->fromPPTY(pReader);
}
else
pReader->SkipRecord();
}
RunElem elm;
RunElems.push_back(elm);
RunElems.back().InitRun(pRun);
pReader->Seek(_end);
}break;
case PARRUN_TYPE_FLD:
{
LONG _end = pReader->GetPos() + pReader->GetRecordSize() + 4;
pReader->Skip(1); // start attr
Logic::Fld* pRun = new Logic::Fld();
while (true)
{
BYTE _at2 = pReader->GetUChar_TypeNode();
if (_at2 == NSBinPptxRW::g_nodeAttributeEnd)
break;
if (0 == _at2)
pRun->id = pReader->GetString2();
else if (1 == _at2)
pRun->type = pReader->GetString2();
else if (2 == _at2)
pRun->SetText(pReader->GetString2());
}
while (pReader->GetPos() < _end)
{
BYTE _rec = pReader->GetUChar();
if (0 == _rec)
{
pRun->rPr = new Logic::RunProperties();
pRun->rPr->m_name = _T("a:rPr");
pRun->rPr->fromPPTY(pReader);
}
else if (1 == _rec)
{
pRun->pPr = new Logic::TextParagraphPr();
pRun->pPr->m_name = _T("a:pPr");
pRun->pPr->fromPPTY(pReader);
}
else
pReader->SkipRecord();
}
RunElem elm;
RunElems.push_back(elm);
RunElems.back().InitRun(pRun);
pReader->Seek(_end);
}break;
case PARRUN_TYPE_BR:
{
LONG _end = pReader->GetPos() + pReader->GetRecordSize() + 4;
Logic::Br* pRun = new Logic::Br();
while (pReader->GetPos() < _end)
{
BYTE _rec = pReader->GetUChar();
if (0 == _rec)
{
pRun->rPr = new Logic::RunProperties();
pRun->rPr->m_name = _T("a:rPr");
pRun->rPr->fromPPTY(pReader);
}
else
pReader->SkipRecord();
}
RunElem elm;
RunElems.push_back(elm);
RunElems.back().InitRun(pRun);
pReader->Seek(_end);
}break;
case PARRUN_TYPE_MATH:
{
Logic::MathParaWrapper* pRun = new Logic::MathParaWrapper();
pRun->fromPPTY(_type, pReader);
RunElem elm;
RunElems.push_back(elm);
RunElems.back().InitRun(pRun);
}break;
case PARRUN_TYPE_MATHPARA:
{
Logic::MathParaWrapper* pRun = new Logic::MathParaWrapper();
pRun->fromPPTY(_type, pReader);
RunElem elm;
RunElems.push_back(elm);
RunElems.back().InitRun(pRun);
}break;
default:
break;
}
}
break;
}
default:
{
break;
}
}
}
pReader->Seek(_end_rec);
}
std::wstring Paragraph::GetText(bool bParagraphSeparator) const
{
std::wstring result = _T("");
for (size_t i = 0; i < RunElems.size(); ++i)
{
result += RunElems[i].GetText();
}
if (bParagraphSeparator)
{
result = result + _T("\n");
}
return result;
}
void Paragraph::FillParentPointersForChilds()
{
if(pPr.IsInit())
pPr->SetParentPointer(this);
if(endParaRPr.IsInit())
endParaRPr->SetParentPointer(this);
size_t count = RunElems.size();
for (size_t i = 0; i < count; ++i)
RunElems[i].SetParentPointer(this);
}
} // namespace Logic
} // namespace PPTX