diff options
Diffstat (limited to 'starmath/source/rtfexport.cxx')
| -rw-r--r-- | starmath/source/rtfexport.cxx | 502 |
1 files changed, 502 insertions, 0 deletions
diff --git a/starmath/source/rtfexport.cxx b/starmath/source/rtfexport.cxx new file mode 100644 index 0000000000..ee5c486eae --- /dev/null +++ b/starmath/source/rtfexport.cxx @@ -0,0 +1,502 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + */ + +#include "rtfexport.hxx" + +#include <svtools/rtfkeywd.hxx> +#include <filter/msfilter/rtfutil.hxx> + +SmRtfExport::SmRtfExport(const SmNode* pIn) + : SmWordExportBase(pIn) + , m_pBuffer(nullptr) + , m_nEncoding(RTL_TEXTENCODING_DONTKNOW) +{ +} + +void SmRtfExport::ConvertFromStarMath(OStringBuffer& rBuffer, rtl_TextEncoding nEncoding) +{ + if (!GetTree()) + return; + m_pBuffer = &rBuffer; + m_nEncoding = nEncoding; + m_pBuffer->append("{" OOO_STRING_SVTOOLS_RTF_IGNORE LO_STRING_SVTOOLS_RTF_MOMATH " "); + HandleNode(GetTree(), 0); + m_pBuffer->append("}"); // moMath +} + +// NOTE: This is still work in progress and unfinished, but it already covers a good +// part of the rtf math stuff. + +void SmRtfExport::HandleVerticalStack(const SmNode* pNode, int nLevel) +{ + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MEQARR " "); + int size = pNode->GetNumSubNodes(); + for (int i = 0; i < size; ++i) + { + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + HandleNode(pNode->GetSubNode(i), nLevel + 1); + m_pBuffer->append("}"); // me + } + m_pBuffer->append("}"); // meqArr +} + +void SmRtfExport::HandleText(const SmNode* pNode, int /*nLevel*/) +{ + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MR " "); + + if (pNode->GetToken().eType == TTEXT) // literal text + m_pBuffer->append(LO_STRING_SVTOOLS_RTF_MNOR " "); + + auto pTemp = static_cast<const SmTextNode*>(pNode); + SAL_INFO("starmath.rtf", "Text: " << pTemp->GetText()); + for (sal_Int32 i = 0; i < pTemp->GetText().getLength(); i++) + { + sal_uInt16 nChar = pTemp->GetText()[i]; + OUString aValue(SmTextNode::ConvertSymbolToUnicode(nChar)); + m_pBuffer->append(msfilter::rtfutil::OutString(aValue, m_nEncoding)); + } + + m_pBuffer->append("}"); // mr +} + +void SmRtfExport::HandleFractions(const SmNode* pNode, int nLevel, const char* type) +{ + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MF " "); + if (type) + { + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MFPR " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MTYPE " "); + m_pBuffer->append(type); + m_pBuffer->append("}"); // mtype + m_pBuffer->append("}"); // mfPr + } + assert(pNode->GetNumSubNodes() == 3); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MNUM " "); + HandleNode(pNode->GetSubNode(0), nLevel + 1); + m_pBuffer->append("}"); // mnum + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEN " "); + HandleNode(pNode->GetSubNode(2), nLevel + 1); + m_pBuffer->append("}"); // mden + m_pBuffer->append("}"); // mf +} + +void SmRtfExport::HandleAttribute(const SmAttributeNode* pNode, int nLevel) +{ + switch (pNode->Attribute()->GetToken().eType) + { + case TCHECK: + case TACUTE: + case TGRAVE: + case TBREVE: + case TCIRCLE: + case TVEC: + case TTILDE: + case THAT: + case TDOT: + case TDDOT: + case TDDDOT: + case TWIDETILDE: + case TWIDEHAT: + case TWIDEHARPOON: + case TWIDEVEC: + case TBAR: + { + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MACC " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MACCPR " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MCHR " "); + OUString aValue(pNode->Attribute()->GetToken().cMathChar); + m_pBuffer->append(msfilter::rtfutil::OutString(aValue, m_nEncoding)); + m_pBuffer->append("}"); // mchr + m_pBuffer->append("}"); // maccPr + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + HandleNode(pNode->Body(), nLevel + 1); + m_pBuffer->append("}"); // me + m_pBuffer->append("}"); // macc + break; + } + case TOVERLINE: + case TUNDERLINE: + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBAR " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBARPR " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MPOS " "); + m_pBuffer->append((pNode->Attribute()->GetToken().eType == TUNDERLINE) ? "bot" : "top"); + m_pBuffer->append("}"); // mpos + m_pBuffer->append("}"); // mbarPr + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + HandleNode(pNode->Body(), nLevel + 1); + m_pBuffer->append("}"); // me + m_pBuffer->append("}"); // mbar + break; + case TOVERSTRIKE: + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBORDERBOX " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBORDERBOXPR " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDETOP " 1}"); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDEBOT " 1}"); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDELEFT " 1}"); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MHIDERIGHT " 1}"); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSTRIKEH " 1}"); + m_pBuffer->append("}"); // mborderBoxPr + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + HandleNode(pNode->Body(), nLevel + 1); + m_pBuffer->append("}"); // me + m_pBuffer->append("}"); // mborderBox + break; + default: + HandleAllSubNodes(pNode, nLevel); + break; + } +} + +void SmRtfExport::HandleRoot(const SmRootNode* pNode, int nLevel) +{ + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MRAD " "); + if (const SmNode* argument = pNode->Argument()) + { + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEG " "); + HandleNode(argument, nLevel + 1); + m_pBuffer->append("}"); // mdeg + } + else + { + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MRADPR " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEGHIDE " 1}"); + m_pBuffer->append("}"); // mradPr + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDEG " }"); // empty but present + } + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + HandleNode(pNode->Body(), nLevel + 1); + m_pBuffer->append("}"); // me + m_pBuffer->append("}"); // mrad +} + +namespace +{ +OString mathSymbolToString(const SmNode* node, rtl_TextEncoding nEncoding) +{ + assert(node->GetType() == SmNodeType::Math || node->GetType() == SmNodeType::MathIdent); + auto txtnode = static_cast<const SmTextNode*>(node); + if (txtnode->GetText().isEmpty()) + return {}; + assert(txtnode->GetText().getLength() == 1); + sal_Unicode chr = SmTextNode::ConvertSymbolToUnicode(txtnode->GetText()[0]); + OUString aValue(chr); + return msfilter::rtfutil::OutString(aValue, nEncoding); +} +} + +void SmRtfExport::HandleOperator(const SmOperNode* pNode, int nLevel) +{ + SAL_INFO("starmath.rtf", "Operator: " << int(pNode->GetToken().eType)); + switch (pNode->GetToken().eType) + { + case TINT: + case TINTD: + case TIINT: + case TIIINT: + case TLINT: + case TLLINT: + case TLLLINT: + case TPROD: + case TCOPROD: + case TSUM: + { + const SmSubSupNode* subsup + = pNode->GetSubNode(0)->GetType() == SmNodeType::SubSup + ? static_cast<const SmSubSupNode*>(pNode->GetSubNode(0)) + : nullptr; + const SmNode* operation = subsup ? subsup->GetBody() : pNode->GetSubNode(0); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MNARY " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MNARYPR " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MCHR " "); + m_pBuffer->append(mathSymbolToString(operation, m_nEncoding)); + m_pBuffer->append("}"); // mchr + if (!subsup || !subsup->GetSubSup(CSUB)) + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUBHIDE " 1}"); + if (!subsup || !subsup->GetSubSup(CSUP)) + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUPHIDE " 1}"); + m_pBuffer->append("}"); // mnaryPr + if (!subsup || !subsup->GetSubSup(CSUB)) + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " }"); + else + { + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " "); + HandleNode(subsup->GetSubSup(CSUB), nLevel + 1); + m_pBuffer->append("}"); // msub + } + if (!subsup || !subsup->GetSubSup(CSUP)) + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " }"); + else + { + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " "); + HandleNode(subsup->GetSubSup(CSUP), nLevel + 1); + m_pBuffer->append("}"); // msup + } + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + HandleNode(pNode->GetSubNode(1), nLevel + 1); // body + m_pBuffer->append("}"); // me + m_pBuffer->append("}"); // mnary + break; + } + case TLIM: + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MFUNC " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MFNAME " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMLOW " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + HandleNode(pNode->GetSymbol(), nLevel + 1); + m_pBuffer->append("}"); // me + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " "); + if (const SmSubSupNode* subsup + = pNode->GetSubNode(0)->GetType() == SmNodeType::SubSup + ? static_cast<const SmSubSupNode*>(pNode->GetSubNode(0)) + : nullptr) + if (subsup->GetSubSup(CSUB)) + HandleNode(subsup->GetSubSup(CSUB), nLevel + 1); + m_pBuffer->append("}"); // mlim + m_pBuffer->append("}"); // mlimLow + m_pBuffer->append("}"); // mfName + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + HandleNode(pNode->GetSubNode(1), nLevel + 1); // body + m_pBuffer->append("}"); // me + m_pBuffer->append("}"); // mfunc + break; + default: + SAL_INFO("starmath.rtf", "TODO: " << __func__ << " unhandled oper type"); + break; + } +} + +void SmRtfExport::HandleSubSupScriptInternal(const SmSubSupNode* pNode, int nLevel, int flags) +{ + // rtf supports only a certain combination of sub/super scripts, but LO can have any, + // so try to merge it using several tags if necessary + if (flags == 0) // none + return; + if ((flags & (1 << RSUP | 1 << RSUB)) == (1 << RSUP | 1 << RSUB)) + { + // m:sSubSup + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSSUBSUP " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + flags &= ~(1 << RSUP | 1 << RSUB); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " "); + HandleNode(pNode->GetSubSup(RSUB), nLevel + 1); + m_pBuffer->append("}"); // msub + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " "); + HandleNode(pNode->GetSubSup(RSUP), nLevel + 1); + m_pBuffer->append("}"); // msup + m_pBuffer->append("}"); // msubSup + } + else if ((flags & (1 << RSUB)) == 1 << RSUB) + { + // m:sSub + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSSUB " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + flags &= ~(1 << RSUB); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " "); + HandleNode(pNode->GetSubSup(RSUB), nLevel + 1); + m_pBuffer->append("}"); // msub + m_pBuffer->append("}"); // msSub + } + else if ((flags & (1 << RSUP)) == 1 << RSUP) + { + // m:sSup + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSSUP " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + flags &= ~(1 << RSUP); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " "); + HandleNode(pNode->GetSubSup(RSUP), nLevel + 1); + m_pBuffer->append("}"); // msup + m_pBuffer->append("}"); // msSup + } + else if ((flags & (1 << LSUP | 1 << LSUB)) == (1 << LSUP | 1 << LSUB)) + { + // m:sPre + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSPRE " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUB " "); + HandleNode(pNode->GetSubSup(LSUB), nLevel + 1); + m_pBuffer->append("}"); // msub + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MSUP " "); + HandleNode(pNode->GetSubSup(LSUP), nLevel + 1); + m_pBuffer->append("}"); // msup + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + flags &= ~(1 << LSUP | 1 << LSUB); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("}"); // msPre + } + else if ((flags & (1 << CSUB)) == (1 << CSUB)) + { + // m:limLow looks like a good element for central superscript + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMLOW " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + flags &= ~(1 << CSUB); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " "); + HandleNode(pNode->GetSubSup(CSUB), nLevel + 1); + m_pBuffer->append("}"); // mlim + m_pBuffer->append("}"); // mlimLow + } + else if ((flags & (1 << CSUP)) == (1 << CSUP)) + { + // m:limUpp looks like a good element for central superscript + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIMUPP " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + flags &= ~(1 << CSUP); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MLIM " "); + HandleNode(pNode->GetSubSup(CSUP), nLevel + 1); + m_pBuffer->append("}"); // mlim + m_pBuffer->append("}"); // mlimUpp + } + else + SAL_INFO("starmath.rtf", "TODO: " << __func__ << " unhandled subsup type"); +} + +void SmRtfExport::HandleMatrix(const SmMatrixNode* pNode, int nLevel) +{ + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MM " "); + for (size_t row = 0; row < pNode->GetNumRows(); ++row) + { + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MMR " "); + for (size_t col = 0; col < pNode->GetNumCols(); ++col) + { + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_ME " "); + if (const SmNode* node = pNode->GetSubNode(row * pNode->GetNumCols() + col)) + HandleNode(node, nLevel + 1); + m_pBuffer->append("}"); // me + } + m_pBuffer->append("}"); // mmr + } + m_pBuffer->append("}"); // mm +} + +void SmRtfExport::HandleBrace(const SmBraceNode* pNode, int nLevel) +{ + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MD " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MDPR " "); + m_pBuffer->append("{" LO_STRING_SVTOOLS_RTF_MBEGCHR " "); + m_pBuffer->append(mathSymbolToString(pNode->OpeningBrace(), m_nEncoding)); + m_pBuffer->append("}"); // mbegChr + 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: */ |