502 lines
20 KiB
C++
502 lines
20 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*/
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#include "rtfexport.hxx"
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#include <svtools/rtfkeywd.hxx>
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#include <filter/msfilter/rtfutil.hxx>
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SmRtfExport::SmRtfExport(const SmNode* pIn)
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: SmWordExportBase(pIn)
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, m_pBuffer(nullptr)
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, m_nEncoding(RTL_TEXTENCODING_DONTKNOW)
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{
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}
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void SmRtfExport::ConvertFromStarMath(OStringBuffer& rBuffer, rtl_TextEncoding nEncoding)
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{
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if (!GetTree())
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return;
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m_pBuffer = &rBuffer;
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m_nEncoding = nEncoding;
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m_pBuffer->append("{" OOO_STRING_SVTOOLS_RTF_IGNORE LO_STRING_SVTOOLS_RTF_MOMATH " ");
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HandleNode(GetTree(), 0);
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m_pBuffer->append("}"); // moMath
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}
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// NOTE: This is still work in progress and unfinished, but it already covers a good
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// part of the rtf math stuff.
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void SmRtfExport::HandleVerticalStack(const SmNode* pNode, int nLevel)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MEQARR " ");
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int size = pNode->GetNumSubNodes();
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for (int i = 0; i < size; ++i)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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HandleNode(pNode->GetSubNode(i), nLevel + 1);
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m_pBuffer->append("}"); // me
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}
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m_pBuffer->append("}"); // meqArr
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}
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void SmRtfExport::HandleText(const SmNode* pNode, int /*nLevel*/)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MR " ");
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if (pNode->GetToken().eType == TTEXT) // literal text
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m_pBuffer->append(LO_STRING_SVTOOLS_RTF_MNOR " ");
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auto pTemp = static_cast<const SmTextNode*>(pNode);
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SAL_INFO("starmath.rtf", "Text: " << pTemp->GetText());
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for (sal_Int32 i = 0; i < pTemp->GetText().getLength(); i++)
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{
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sal_uInt16 nChar = pTemp->GetText()[i];
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OUString aValue(SmTextNode::ConvertSymbolToUnicode(nChar));
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m_pBuffer->append(msfilter::rtfutil::OutString(aValue, m_nEncoding));
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}
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m_pBuffer->append("}"); // mr
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}
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void SmRtfExport::HandleFractions(const SmNode* pNode, int nLevel, const char* type)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MF " ");
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if (type)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MFPR " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MTYPE " ");
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m_pBuffer->append(type);
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m_pBuffer->append("}"); // mtype
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m_pBuffer->append("}"); // mfPr
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}
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assert(pNode->GetNumSubNodes() == 3);
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MNUM " ");
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HandleNode(pNode->GetSubNode(0), nLevel + 1);
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m_pBuffer->append("}"); // mnum
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEN " ");
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HandleNode(pNode->GetSubNode(2), nLevel + 1);
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m_pBuffer->append("}"); // mden
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m_pBuffer->append("}"); // mf
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}
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void SmRtfExport::HandleAttribute(const SmAttributeNode* pNode, int nLevel)
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{
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switch (pNode->Attribute()->GetToken().eType)
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{
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case TCHECK:
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case TACUTE:
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case TGRAVE:
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case TBREVE:
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case TCIRCLE:
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case TVEC:
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case TTILDE:
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case THAT:
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case TDOT:
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case TDDOT:
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case TDDDOT:
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case TWIDETILDE:
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case TWIDEHAT:
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case TWIDEHARPOON:
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case TWIDEVEC:
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case TBAR:
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MACC " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MACCPR " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MCHR " ");
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OUString aValue(pNode->Attribute()->GetToken().cMathChar);
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m_pBuffer->append(msfilter::rtfutil::OutString(aValue, m_nEncoding));
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m_pBuffer->append("}"); // mchr
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m_pBuffer->append("}"); // maccPr
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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HandleNode(pNode->Body(), nLevel + 1);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("}"); // macc
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break;
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}
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case TOVERLINE:
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case TUNDERLINE:
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBAR " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBARPR " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MPOS " ");
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m_pBuffer->append((pNode->Attribute()->GetToken().eType == TUNDERLINE) ? "bot" : "top");
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m_pBuffer->append("}"); // mpos
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m_pBuffer->append("}"); // mbarPr
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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HandleNode(pNode->Body(), nLevel + 1);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("}"); // mbar
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break;
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case TOVERSTRIKE:
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBORDERBOX " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBORDERBOXPR " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDETOP " 1}");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDEBOT " 1}");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDELEFT " 1}");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDERIGHT " 1}");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSTRIKEH " 1}");
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m_pBuffer->append("}"); // mborderBoxPr
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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HandleNode(pNode->Body(), nLevel + 1);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("}"); // mborderBox
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break;
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default:
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HandleAllSubNodes(pNode, nLevel);
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break;
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}
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}
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void SmRtfExport::HandleRoot(const SmRootNode* pNode, int nLevel)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MRAD " ");
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if (const SmNode* argument = pNode->Argument())
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEG " ");
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HandleNode(argument, nLevel + 1);
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m_pBuffer->append("}"); // mdeg
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}
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else
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MRADPR " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEGHIDE " 1}");
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m_pBuffer->append("}"); // mradPr
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEG " }"); // empty but present
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}
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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HandleNode(pNode->Body(), nLevel + 1);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("}"); // mrad
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}
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namespace
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{
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OString mathSymbolToString(const SmNode* node, rtl_TextEncoding nEncoding)
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{
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assert(node->GetType() == SmNodeType::Math || node->GetType() == SmNodeType::MathIdent);
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auto txtnode = static_cast<const SmTextNode*>(node);
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if (txtnode->GetText().isEmpty())
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return {};
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assert(txtnode->GetText().getLength() == 1);
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sal_Unicode chr = SmTextNode::ConvertSymbolToUnicode(txtnode->GetText()[0]);
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OUString aValue(chr);
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return msfilter::rtfutil::OutString(aValue, nEncoding);
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}
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}
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void SmRtfExport::HandleOperator(const SmOperNode* pNode, int nLevel)
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{
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SAL_INFO("starmath.rtf", "Operator: " << int(pNode->GetToken().eType));
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switch (pNode->GetToken().eType)
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{
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case TINT:
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case TINTD:
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case TIINT:
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case TIIINT:
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case TLINT:
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case TLLINT:
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case TLLLINT:
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case TPROD:
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case TCOPROD:
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case TSUM:
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{
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const SmSubSupNode* subsup
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= pNode->GetSubNode(0)->GetType() == SmNodeType::SubSup
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? static_cast<const SmSubSupNode*>(pNode->GetSubNode(0))
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: nullptr;
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const SmNode* operation = subsup ? subsup->GetBody() : pNode->GetSubNode(0);
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MNARY " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MNARYPR " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MCHR " ");
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m_pBuffer->append(mathSymbolToString(operation, m_nEncoding));
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m_pBuffer->append("}"); // mchr
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if (!subsup || !subsup->GetSubSup(CSUB))
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUBHIDE " 1}");
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if (!subsup || !subsup->GetSubSup(CSUP))
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUPHIDE " 1}");
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m_pBuffer->append("}"); // mnaryPr
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if (!subsup || !subsup->GetSubSup(CSUB))
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " }");
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else
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " ");
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HandleNode(subsup->GetSubSup(CSUB), nLevel + 1);
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m_pBuffer->append("}"); // msub
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}
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if (!subsup || !subsup->GetSubSup(CSUP))
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " }");
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else
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " ");
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HandleNode(subsup->GetSubSup(CSUP), nLevel + 1);
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m_pBuffer->append("}"); // msup
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}
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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HandleNode(pNode->GetSubNode(1), nLevel + 1); // body
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m_pBuffer->append("}"); // me
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m_pBuffer->append("}"); // mnary
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break;
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}
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case TLIM:
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MFUNC " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MFNAME " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMLOW " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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HandleNode(pNode->GetSymbol(), nLevel + 1);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " ");
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if (const SmSubSupNode* subsup
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= pNode->GetSubNode(0)->GetType() == SmNodeType::SubSup
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? static_cast<const SmSubSupNode*>(pNode->GetSubNode(0))
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: nullptr)
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if (subsup->GetSubSup(CSUB))
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HandleNode(subsup->GetSubSup(CSUB), nLevel + 1);
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m_pBuffer->append("}"); // mlim
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m_pBuffer->append("}"); // mlimLow
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m_pBuffer->append("}"); // mfName
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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HandleNode(pNode->GetSubNode(1), nLevel + 1); // body
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m_pBuffer->append("}"); // me
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m_pBuffer->append("}"); // mfunc
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break;
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default:
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SAL_INFO("starmath.rtf", "TODO: " << __func__ << " unhandled oper type");
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break;
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}
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}
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void SmRtfExport::HandleSubSupScriptInternal(const SmSubSupNode* pNode, int nLevel, int flags)
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{
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// rtf supports only a certain combination of sub/super scripts, but LO can have any,
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// so try to merge it using several tags if necessary
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if (flags == 0) // none
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return;
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if ((flags & (1 << RSUP | 1 << RSUB)) == (1 << RSUP | 1 << RSUB))
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{
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// m:sSubSup
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSSUBSUP " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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flags &= ~(1 << RSUP | 1 << RSUB);
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if (flags == 0)
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HandleNode(pNode->GetBody(), nLevel + 1);
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else
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HandleSubSupScriptInternal(pNode, nLevel, flags);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " ");
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HandleNode(pNode->GetSubSup(RSUB), nLevel + 1);
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m_pBuffer->append("}"); // msub
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " ");
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HandleNode(pNode->GetSubSup(RSUP), nLevel + 1);
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m_pBuffer->append("}"); // msup
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m_pBuffer->append("}"); // msubSup
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}
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else if ((flags & (1 << RSUB)) == 1 << RSUB)
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{
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// m:sSub
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSSUB " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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flags &= ~(1 << RSUB);
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if (flags == 0)
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HandleNode(pNode->GetBody(), nLevel + 1);
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else
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HandleSubSupScriptInternal(pNode, nLevel, flags);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " ");
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HandleNode(pNode->GetSubSup(RSUB), nLevel + 1);
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m_pBuffer->append("}"); // msub
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m_pBuffer->append("}"); // msSub
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}
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else if ((flags & (1 << RSUP)) == 1 << RSUP)
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{
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// m:sSup
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSSUP " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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flags &= ~(1 << RSUP);
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if (flags == 0)
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HandleNode(pNode->GetBody(), nLevel + 1);
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else
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HandleSubSupScriptInternal(pNode, nLevel, flags);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " ");
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HandleNode(pNode->GetSubSup(RSUP), nLevel + 1);
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m_pBuffer->append("}"); // msup
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m_pBuffer->append("}"); // msSup
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}
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else if ((flags & (1 << LSUP | 1 << LSUB)) == (1 << LSUP | 1 << LSUB))
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{
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// m:sPre
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSPRE " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " ");
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HandleNode(pNode->GetSubSup(LSUB), nLevel + 1);
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m_pBuffer->append("}"); // msub
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " ");
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HandleNode(pNode->GetSubSup(LSUP), nLevel + 1);
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m_pBuffer->append("}"); // msup
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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flags &= ~(1 << LSUP | 1 << LSUB);
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if (flags == 0)
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HandleNode(pNode->GetBody(), nLevel + 1);
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else
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HandleSubSupScriptInternal(pNode, nLevel, flags);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("}"); // msPre
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}
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else if ((flags & (1 << CSUB)) == (1 << CSUB))
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{
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// m:limLow looks like a good element for central superscript
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMLOW " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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flags &= ~(1 << CSUB);
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if (flags == 0)
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HandleNode(pNode->GetBody(), nLevel + 1);
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else
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HandleSubSupScriptInternal(pNode, nLevel, flags);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " ");
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HandleNode(pNode->GetSubSup(CSUB), nLevel + 1);
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m_pBuffer->append("}"); // mlim
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m_pBuffer->append("}"); // mlimLow
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}
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else if ((flags & (1 << CSUP)) == (1 << CSUP))
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{
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// m:limUpp looks like a good element for central superscript
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMUPP " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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flags &= ~(1 << CSUP);
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if (flags == 0)
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HandleNode(pNode->GetBody(), nLevel + 1);
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else
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HandleSubSupScriptInternal(pNode, nLevel, flags);
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m_pBuffer->append("}"); // me
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " ");
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HandleNode(pNode->GetSubSup(CSUP), nLevel + 1);
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m_pBuffer->append("}"); // mlim
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m_pBuffer->append("}"); // mlimUpp
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}
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else
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SAL_INFO("starmath.rtf", "TODO: " << __func__ << " unhandled subsup type");
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}
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void SmRtfExport::HandleMatrix(const SmMatrixNode* pNode, int nLevel)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MM " ");
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for (size_t row = 0; row < pNode->GetNumRows(); ++row)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MMR " ");
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for (size_t col = 0; col < pNode->GetNumCols(); ++col)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
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if (const SmNode* node = pNode->GetSubNode(row * pNode->GetNumCols() + col))
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HandleNode(node, nLevel + 1);
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m_pBuffer->append("}"); // me
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}
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m_pBuffer->append("}"); // mmr
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}
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m_pBuffer->append("}"); // mm
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}
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void SmRtfExport::HandleBrace(const SmBraceNode* pNode, int nLevel)
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{
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MD " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDPR " ");
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m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBEGCHR " ");
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m_pBuffer->append(mathSymbolToString(pNode->OpeningBrace(), m_nEncoding));
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m_pBuffer->append("}"); // mbegChr
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|
std::vector<const SmNode*> subnodes;
|
|
if (pNode->Body()->GetType() == SmNodeType::Bracebody)
|
|
{
|
|
auto body = static_cast<const SmBracebodyNode*>(pNode->Body());
|
|
bool separatorWritten = false; // assume all separators are the same
|
|
for (size_t i = 0; i < body->GetNumSubNodes(); ++i)
|
|
{
|
|
const SmNode* subnode = body->GetSubNode(i);
|
|
if (subnode->GetType() == SmNodeType::Math
|
|
|| subnode->GetType() == SmNodeType::MathIdent)
|
|
{
|
|
// do not write, but write what separator it is
|
|
auto math = static_cast<const SmMathSymbolNode*>(subnode);
|
|
if (!separatorWritten)
|
|
{
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSEPCHR " ");
|
|
m_pBuffer->append(mathSymbolToString(math, m_nEncoding));
|
|
m_pBuffer->append("}"); // msepChr
|
|
separatorWritten = true;
|
|
}
|
|
}
|
|
else
|
|
subnodes.push_back(subnode);
|
|
}
|
|
}
|
|
else
|
|
subnodes.push_back(pNode->Body());
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MENDCHR " ");
|
|
m_pBuffer->append(mathSymbolToString(pNode->ClosingBrace(), m_nEncoding));
|
|
m_pBuffer->append("}"); // mendChr
|
|
m_pBuffer->append("}"); // mdPr
|
|
for (const SmNode* subnode : subnodes)
|
|
{
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
|
|
HandleNode(subnode, nLevel + 1);
|
|
m_pBuffer->append("}"); // me
|
|
}
|
|
m_pBuffer->append("}"); // md
|
|
}
|
|
|
|
void SmRtfExport::HandleVerticalBrace(const SmVerticalBraceNode* pNode, int nLevel)
|
|
{
|
|
SAL_INFO("starmath.rtf", "Vertical: " << int(pNode->GetToken().eType));
|
|
switch (pNode->GetToken().eType)
|
|
{
|
|
case TOVERBRACE:
|
|
case TUNDERBRACE:
|
|
{
|
|
bool top = (pNode->GetToken().eType == TOVERBRACE);
|
|
if (top)
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMUPP " ");
|
|
else
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMLOW " ");
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MGROUPCHR " ");
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MGROUPCHRPR " ");
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MCHR " ");
|
|
m_pBuffer->append(mathSymbolToString(pNode->Brace(), m_nEncoding));
|
|
m_pBuffer->append("}"); // mchr
|
|
// TODO not sure if pos and vertJc are correct
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MPOS " ")
|
|
.append(top ? "top" : "bot")
|
|
.append("}");
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MVERTJC " ")
|
|
.append(top ? "bot" : "top")
|
|
.append("}");
|
|
m_pBuffer->append("}"); // mgroupChrPr
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " ");
|
|
HandleNode(pNode->Body(), nLevel + 1);
|
|
m_pBuffer->append("}"); // me
|
|
m_pBuffer->append("}"); // mgroupChr
|
|
m_pBuffer->append("}"); // me
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " ");
|
|
HandleNode(pNode->Script(), nLevel + 1);
|
|
m_pBuffer->append("}"); // mlim
|
|
m_pBuffer->append("}"); // mlimUpp or mlimLow
|
|
break;
|
|
}
|
|
default:
|
|
SAL_INFO("starmath.rtf", "TODO: " << __func__ << " unhandled vertical brace type");
|
|
break;
|
|
}
|
|
}
|
|
|
|
void SmRtfExport::HandleBlank()
|
|
{
|
|
m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MR " ");
|
|
m_pBuffer->append(" ");
|
|
m_pBuffer->append("}"); // mr
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|