diff options
| -rw-r--r-- | starmath/source/rtfexport.cxx | 119 |
1 files changed, 115 insertions, 4 deletions
diff --git a/starmath/source/rtfexport.cxx b/starmath/source/rtfexport.cxx index 32c441a70d30..2031fe05c876 100644 --- a/starmath/source/rtfexport.cxx +++ b/starmath/source/rtfexport.cxx @@ -86,6 +86,9 @@ void SmRtfExport::HandleNode(const SmNode* pNode, int nLevel) case NMATH: HandleMath(pNode, nLevel); break; + case NSUBSUP: + HandleSubSupScript(static_cast<const SmSubSupNode*>(pNode), nLevel); + break; case NEXPRESSION: HandleAllSubNodes(pNode, nLevel); break; @@ -381,14 +384,122 @@ void SmRtfExport::HandleOperator(const SmOperNode* pNode, int nLevel) } } -void SmRtfExport::HandleSubSupScript(const SmSubSupNode* /*pNode*/, int /*nLevel*/) +void SmRtfExport::HandleSubSupScript(const SmSubSupNode* pNode, int nLevel) { - SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC); + // set flags to a bitfield of which sub/sup items exists + int flags = (pNode->GetSubSup(CSUB) ? (1 << CSUB) : 0) + | (pNode->GetSubSup(CSUP) ? (1 << CSUP) : 0) + | (pNode->GetSubSup(RSUB) ? (1 << RSUB) : 0) + | (pNode->GetSubSup(RSUP) ? (1 << RSUP) : 0) + | (pNode->GetSubSup(LSUB) ? (1 << LSUB) : 0) + | (pNode->GetSubSup(LSUP) ? (1 << LSUP) : 0); + HandleSubSupScriptInternal(pNode, nLevel, flags); } -void SmRtfExport::HandleSubSupScriptInternal(const SmSubSupNode* /*pNode*/, int /*nLevel*/, int /*flags*/) +void SmRtfExport::HandleSubSupScriptInternal(const SmSubSupNode* pNode, int nLevel, int flags) { - SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC); +// 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("{\\msSubSup "); + m_pBuffer->append("{\\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("{\\msub "); + HandleNode(pNode->GetSubSup(RSUB), nLevel + 1); + m_pBuffer->append("}"); // msub + m_pBuffer->append("{\\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("{\\msSub "); + m_pBuffer->append("{\\me "); + flags &= ~(1 << RSUB); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("{\\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("{\\msSup "); + m_pBuffer->append("{\\me "); + flags &= ~(1 << RSUP); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("{\\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("{\\msPre "); + m_pBuffer->append("{\\msub "); + HandleNode(pNode->GetSubSup(LSUB ), nLevel + 1); + m_pBuffer->append("}"); // msub + m_pBuffer->append("{\\msup "); + HandleNode(pNode->GetSubSup(LSUP), nLevel + 1); + m_pBuffer->append("}"); // msup + m_pBuffer->append("{\\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("{\\mlimLow "); + m_pBuffer->append("{\\me "); + flags &= ~(1 << CSUB); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("{\\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("{\\mlimUpp "); + m_pBuffer->append("{\\me "); + flags &= ~(1 << CSUP); + if (flags == 0) + HandleNode(pNode->GetBody(), nLevel + 1); + else + HandleSubSupScriptInternal(pNode, nLevel, flags); + m_pBuffer->append("}"); // me + m_pBuffer->append("{\\mlim "); + HandleNode(pNode->GetSubSup(CSUP), nLevel + 1); + m_pBuffer->append("}"); // mlim + m_pBuffer->append("}"); // mlimUpp + } + else + SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC << " unhandled subsup type"); } void SmRtfExport::HandleMatrix(const SmMatrixNode* pNode, int nLevel) |