core/OOXML/PPTXFormat/Logic/CSld.cpp

/*
 * Copyright (C) Ascensio System SIA, 2009-2026
 *
 * 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, together with the
 * additional terms provided in the LICENSE file.
 *
 * 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: https://www.gnu.org/licenses/agpl-3.0.html
 *
 * You can contact Ascensio System SIA by email at info@onlyoffice.com
 * or by postal mail at 20A-6 Ernesta Birznieka-Upisha Street, Riga,
 * LV-1050, Latvia, European Union.
 *
 * The interactive user interfaces in modified versions of the Program
 * are required to display Appropriate Legal Notices in accordance with
 * Section 5 of the GNU AGPL version 3.
 *
 * No trademark rights are granted under this License.
 *
 * All non-code elements of the Product, including illustrations,
 * icon sets, and technical writing content, are licensed under the
 * Creative Commons Attribution-ShareAlike 4.0 International License:
 * https://creativecommons.org/licenses/by-sa/4.0/legalcode
 *
 * This license applies only to such non-code elements and does not
 * modify or replace the licensing terms applicable to the Program's
 * source code, which remains licensed under the GNU Affero General
 * Public License v3.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */

#include "CSld.h"

namespace PPTX
{
	namespace Logic
	{
		CSld::CSld(OOX::Document *pMain) : WrapperWritingElement(pMain), spTree(L"p")
		{
		}
		void CSld::fromXML(XmlUtils::CXmlLiteReader& oReader)
		{
		}
		void CSld::fromXML(XmlUtils::CXmlNode& node)
		{
			XmlMacroReadAttributeBase(node, L"name", attrName);
			
			bg = node.ReadNode(L"p:bg");
			spTree = node.ReadNodeNoNS(L"spTree");
			controls = node.ReadNode(L"p:controls");

			std::vector<XmlUtils::CXmlNode> oNodes;
			node.GetNodes(L"*", oNodes);

			XmlUtils::CXmlNode oNodeExtLst = node.ReadNode(L"p:extLst");

			std::vector<XmlUtils::CXmlNode> oNodesExts;
			if (oNodeExtLst.GetNodes(L"p:ext", oNodesExts))
			{
				for (size_t nIndex = 0; nIndex < oNodesExts.size(); ++nIndex)
				{
					XmlUtils::CXmlNode oNodeId = oNodesExts[nIndex].ReadNodeNoNS(L"creationId");
					if (oNodeId.IsValid())
					{
						XmlMacroReadAttributeBase(oNodeId, L"val", creationId);
						break;
					}
				}
			}
			

			FillParentPointersForChilds();
		}
		std::wstring CSld::toXML() const
		{
			XmlUtils::CAttribute oAttr;
			oAttr.Write(L"name", attrName);

			XmlUtils::CNodeValue oValue;
			oValue.WriteNullable(bg);
			oValue.Write(spTree);
			oValue.WriteNullable(controls);

			return XmlUtils::CreateNode(L"p:cSld", oAttr, oValue);
		}
		void CSld::toXmlWriter(NSBinPptxRW::CXmlWriter* pWriter) const
		{
			pWriter->StartNode(L"p:cSld");

			pWriter->StartAttributes();
			pWriter->WriteAttribute2(L"name", attrName);
			pWriter->EndAttributes();

			pWriter->Write(bg);
			spTree.toXmlWriter(pWriter);
			pWriter->Write(controls);

			if (creationId.IsInit())
			{
				pWriter->WriteString(L"<p:extLst>");
				pWriter->WriteString(L"<p:ext uri=\"{BB962C8B-B14F-4D97-AF65-F5344CB8AC3E}\">\
<p14:creationId xmlns:p14=\"http://schemas.microsoft.com/office/powerpoint/2010/main\" val=\"" + std::to_wstring(*creationId) + L"\"/></p:ext>");
				pWriter->WriteString(L"</p:extLst>");
			}
			pWriter->EndNode(L"p:cSld");
		}
		void CSld::toPPTY(NSBinPptxRW::CBinaryFileWriter* pWriter) const
		{
			pWriter->WriteBYTE(NSBinPptxRW::g_nodeAttributeStart);
			pWriter->WriteString2(0, attrName);
			pWriter->WriteBYTE(NSBinPptxRW::g_nodeAttributeEnd);

			pWriter->ClearCurShapeSize();
			pWriter->WriteRecord2(0, bg);

			pWriter->StartRecord(1);
				pWriter->StartRecord(SPTREE_TYPE_SPTREE);
					pWriter->WriteRecord1(0, spTree.nvGrpSpPr);
					pWriter->WriteRecord1(1, spTree.grpSpPr);

					pWriter->StartRecord(2);
						pWriter->WriteULONG((_UINT32)spTree.SpTreeElems.size());
						for (size_t i = 0; i < spTree.SpTreeElems.size(); i++)
						{
							pWriter->ClearCurShapeSize();
							pWriter->WriteRecord1(0, spTree.SpTreeElems[i]);
						}
					pWriter->EndRecord();
				pWriter->EndRecord();
			pWriter->EndRecord();

			pWriter->WriteRecord2(2, controls);
			
			if (creationId.IsInit())
			{
				pWriter->StartRecord(3);
				pWriter->WriteULONG(*creationId);
				pWriter->EndRecord();
			}
		}
		void CSld::fromPPTY(NSBinPptxRW::CBinaryFileReader* pReader)
		{
			LONG _end_rec = pReader->GetPos() + pReader->GetRecordSize() + 4;

			pReader->Skip(1); // start attributes

			while (true)
			{
				BYTE _at = pReader->GetUChar_TypeNode();
				if (_at == NSBinPptxRW::g_nodeAttributeEnd)
					break;

				if (0 == _at)
					attrName = pReader->GetString2();
				else if (1 == _at)
					creationId = pReader->GetLong();
				else
					break;
			}

			while (pReader->GetPos() < _end_rec)
			{
				BYTE _at = pReader->GetUChar();
				switch (_at)
				{
					case 0:
					{
						bg = new Bg();
						bg->fromPPTY(pReader);
						break;
					}
					case 1:
					{
						spTree.fromPPTY(pReader);						
					}break;
					case 2:
					{
						controls = new Controls(m_pMainDocument);
						controls->fromPPTY(pReader);						
					}break;
					case 3:
					{
						_UINT32 sz = pReader->GetULong();
						creationId = pReader->GetULong();
					}break;
					default:
					{
						pReader->Seek(_end_rec);
						return;
					}
				}
			}

			pReader->Seek(_end_rec);
		}
		void CSld::FillParentPointersForChilds()
		{
			spTree.SetParentPointer(this);
			if(bg.IsInit())			bg->SetParentPointer(this);
			if(controls.IsInit())	controls->SetParentPointer(this);
		}
	} // namespace Logic
} // namespace PPTX