export RTF_M{OMATH,R,F,FPR,TYPE,NUM,DEN,MATH}

Change-Id: If717d5d3b2179210516eec61959af0afa8b38319

4 files changed, 314 insertions, 0 deletions

diff --git a/starmath/source/document.cxx b/starmath/source/document.cxx
index 2aa4b8213d8a..65f246832e6e 100644
--- a/starmath/source/document.cxx
+++ b/starmath/source/document.cxx
@@ -84,6 +84,7 @@
 #include "mathtype.hxx"
 #include "ooxmlexport.hxx"
 #include "ooxmlimport.hxx"
+#include "rtfexport.hxx"
 #include "mathmlimport.hxx"
 #include "mathmlexport.hxx"
 #include <sfx2/sfxsids.hrc>
@@ -986,6 +987,16 @@ bool SmDocShell::writeFormulaOoxml( ::sax_fastparser::FSHelperPtr m_pSerializer,
     return aEquation.ConvertFromStarMath( m_pSerializer );
 }
 
+void SmDocShell::writeFormulaRtf(OStringBuffer& rBuffer)
+{
+    if (!pTree)
+        Parse();
+    if (pTree && !IsFormulaArranged())
+        ArrangeFormula();
+    SmRtfExport aEquation(pTree);
+    aEquation.ConvertFromStarMath(rBuffer);
+}
+
 bool SmDocShell::readFormulaOoxml( oox::formulaimport::XmlStream& stream )
 {
     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::readFormulaOoxml" );
diff --git a/starmath/source/rtfexport.cxx b/starmath/source/rtfexport.cxx
new file mode 100644
index 000000000000..f4e560f12539
--- /dev/null
+++ b/starmath/source/rtfexport.cxx
@@ -0,0 +1,228 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Version: MPL 1.1 / GPLv3+ / LGPLv3+
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License or as specified alternatively below. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * Major Contributor(s):
+ * Copyright (C) 2012 Miklos Vajna <vmiklos@suse.cz> (SUSE, Inc.)
+ *
+ * All Rights Reserved.
+ *
+ * For minor contributions see the git repository.
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
+ * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
+ * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
+ * instead of those above.
+ */
+
+
+#include "rtfexport.hxx"
+
+#include <rtl/oustringostreaminserter.hxx>
+#include <svtools/rtfkeywd.hxx>
+
+SmRtfExport::SmRtfExport(const SmNode* pIn)
+    : m_pTree(pIn)
+      , m_pBuffer(0)
+{
+}
+
+bool SmRtfExport::ConvertFromStarMath(OStringBuffer& rBuffer)
+{
+    if (m_pTree == NULL)
+        return false;
+    m_pBuffer = &rBuffer;
+    m_pBuffer->append("{" OOO_STRING_SVTOOLS_RTF_IGNORE "\\moMath");
+    HandleNode(m_pTree, 0);
+    m_pBuffer->append("}");
+    return true;
+}
+
+// NOTE: This is still work in progress and unfinished, but it already covers a good
+// part of the rtf math stuff.
+
+void SmRtfExport::HandleNode(const SmNode* pNode, int nLevel)
+{
+    SAL_INFO("starmath.rtf", "Node: " << nLevel << " " << int(pNode->GetType()) << " " << pNode->GetNumSubNodes());
+
+    switch(pNode->GetType())
+    {
+        case NTEXT:
+            HandleText(pNode,nLevel);
+            break;
+        case NBINHOR:
+            HandleBinaryOperation(static_cast<const SmBinHorNode*>(pNode), nLevel);
+            break;
+        case NBINVER:
+            HandleFractions(pNode, nLevel);
+            break;
+        case NMATH:
+            HandleMath(pNode, nLevel);
+            break;
+        case NEXPRESSION:
+            HandleAllSubNodes(pNode, nLevel);
+            break;
+        case NTABLE:
+            //Root Node, PILE equivalent, i.e. vertical stack
+            HandleTable(pNode,nLevel);
+            break;
+        case NLINE:
+            HandleAllSubNodes(pNode, nLevel);
+            break;
+        default:
+            SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC << " unhandled node type");
+            break;
+    }
+}
+
+//Root Node, PILE equivalent, i.e. vertical stack
+void SmRtfExport::HandleTable(const SmNode* pNode, int nLevel)
+{
+    if (nLevel || pNode->GetNumSubNodes() > 1)
+        HandleVerticalStack(pNode, nLevel);
+    else
+        HandleAllSubNodes(pNode, nLevel);
+}
+
+void SmRtfExport::HandleAllSubNodes(const SmNode* pNode, int nLevel)
+{
+    int size = pNode->GetNumSubNodes();
+    for (int i = 0; i < size; ++i)
+    {
+        if (!pNode->GetSubNode(i))
+        {
+            OSL_FAIL("Subnode is NULL, parent node not handled properly");
+            continue;
+        }
+        HandleNode(pNode->GetSubNode(i), nLevel + 1);
+    }
+}
+
+void SmRtfExport::HandleVerticalStack(const SmNode* /*pNode*/, int /*nLevel*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+void SmRtfExport::HandleText(const SmNode* pNode, int /*nLevel*/)
+{
+    m_pBuffer->append("{\\mr ");
+
+    SmTextNode* pTemp=(SmTextNode* )pNode;
+    SAL_INFO("starmath.rtf", "Text: " << pTemp->GetText());
+    for (xub_StrLen i = 0; i < pTemp->GetText().Len(); i++)
+    {
+        sal_uInt16 nChar = pTemp->GetText().GetChar(i);
+        // TODO special/non-ascii chars?
+        m_pBuffer->append(OUStringToOString(OUString(SmTextNode::ConvertSymbolToUnicode(nChar)), RTL_TEXTENCODING_UTF8));
+    }
+
+    m_pBuffer->append("}");
+}
+
+void SmRtfExport::HandleFractions(const SmNode* pNode, int nLevel, const char* type)
+{
+    m_pBuffer->append("{\\mf ");
+    if (type)
+    {
+        m_pBuffer->append("{\\mfPr ");
+        m_pBuffer->append("{\\mtype ");
+        m_pBuffer->append(type);
+        m_pBuffer->append("}"); // mtype
+        m_pBuffer->append("}"); // mfPr
+    }
+    OSL_ASSERT(pNode->GetNumSubNodes() == 3);
+    m_pBuffer->append("{\\mnum ");
+    HandleNode(pNode->GetSubNode(0), nLevel + 1);
+    m_pBuffer->append("}"); // mnum
+    m_pBuffer->append("{\\mden ");
+    HandleNode(pNode->GetSubNode(2), nLevel + 1);
+    m_pBuffer->append("}"); // mden
+    m_pBuffer->append("}"); // mf
+}
+
+void SmRtfExport::HandleUnaryOperation(const SmUnHorNode* /*pNode*/, int /*nLevel*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+void SmRtfExport::HandleBinaryOperation(const SmBinHorNode* pNode, int nLevel)
+{
+    SAL_INFO("starmath.rtf", "Binary: " << int(pNode->Symbol()->GetToken().eType));
+    // update HandleMath() when adding new items
+    switch (pNode->Symbol()->GetToken().eType)
+    {
+        case TDIVIDEBY:
+            return HandleFractions(pNode, nLevel, "lin");
+        default:
+            HandleAllSubNodes(pNode, nLevel);
+            break;
+    }
+}
+
+void SmRtfExport::HandleAttribute(const SmAttributNode* /*pNode*/, int /*nLevel*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+void SmRtfExport::HandleMath(const SmNode* pNode, int nLevel)
+{
+    SAL_INFO("starmath.rtf", "Math: " << int(pNode->GetToken().eType));
+    switch (pNode->GetToken().eType)
+    {
+        case TDIVIDEBY:
+        case TACUTE:
+            // these are handled elsewhere, e.g. when handling BINHOR
+            OSL_ASSERT(false);
+        default:
+            HandleText(pNode, nLevel);
+            break;
+    }
+}
+
+void SmRtfExport::HandleRoot(const SmRootNode* /*pNode*/, int /*nLevel*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+void SmRtfExport::HandleOperator(const SmOperNode* /*pNode*/, int /*nLevel*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+void SmRtfExport::HandleSubSupScript(const SmSubSupNode* /*pNode*/, int /*nLevel*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+void SmRtfExport::HandleSubSupScriptInternal(const SmSubSupNode* /*pNode*/, int /*nLevel*/, int /*flags*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+void SmRtfExport::HandleMatrix(const SmMatrixNode* /*pNode*/, int /*nLevel*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+void SmRtfExport::HandleBrace(const SmBraceNode* /*pNode*/, int /*nLevel*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+void SmRtfExport::HandleVerticalBrace(const SmVerticalBraceNode* /*pNode*/, int /*nLevel*/)
+{
+    SAL_INFO("starmath.rtf", "TODO: " << OSL_THIS_FUNC);
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/rtfexport.hxx b/starmath/source/rtfexport.hxx
new file mode 100644
index 000000000000..9e1f6c355cd9
--- /dev/null
+++ b/starmath/source/rtfexport.hxx
@@ -0,0 +1,70 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * Version: MPL 1.1 / GPLv3+ / LGPLv3+
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License or as specified alternatively below. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * Major Contributor(s):
+ * Copyright (C) 2012 Miklos Vajna <vmiklos@suse.cz> (SUSE, Inc.)
+ *
+ * All Rights Reserved.
+ *
+ * For minor contributions see the git repository.
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 3 or later (the "GPLv3+"), or
+ * the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
+ * in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
+ * instead of those above.
+ */
+
+#ifndef SM_RTFEXPORT_HXX
+#define SM_RTFEXPORT_HXX
+
+#include "node.hxx"
+
+#include <rtl/strbuf.hxx>
+
+/**
+ Class implementing writing of formulas to RTF.
+ */
+class SmRtfExport
+{
+public:
+    SmRtfExport(const SmNode* pIn);
+    bool ConvertFromStarMath(OStringBuffer& rBuffer);
+private:
+    void HandleNode(const SmNode* pNode, int nLevel);
+    void HandleAllSubNodes(const SmNode* pNode, int nLevel);
+    void HandleTable(const SmNode* pNode, int nLevel);
+    void HandleVerticalStack(const SmNode* pNode, int nLevel);
+    void HandleText(const SmNode* pNode, int nLevel);
+    void HandleMath(const SmNode* pNode, int nLevel);
+    void HandleFractions(const SmNode* pNode, int nLevel, const char* type = NULL);
+    void HandleUnaryOperation(const SmUnHorNode* pNode, int nLevel);
+    void HandleBinaryOperation(const SmBinHorNode* pNode, int nLevel);
+    void HandleRoot(const SmRootNode* pNode, int nLevel);
+    void HandleAttribute(const SmAttributNode* pNode, int nLevel);
+    void HandleOperator(const SmOperNode* pNode, int nLevel);
+    void HandleSubSupScript(const SmSubSupNode* pNode, int nLevel);
+    void HandleSubSupScriptInternal(const SmSubSupNode* pNode, int nLevel, int flags);
+    void HandleMatrix(const SmMatrixNode* pNode, int nLevel);
+    void HandleBrace(const SmBraceNode* pNode, int nLevel);
+    void HandleVerticalBrace(const SmVerticalBraceNode* pNode, int nLevel);
+
+    const SmNode* const m_pTree;
+    OStringBuffer* m_pBuffer;
+};
+
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/starmath/source/unomodel.cxx b/starmath/source/unomodel.cxx
index 601536ca998b..dadb8f3454f3 100644
--- a/starmath/source/unomodel.cxx
+++ b/starmath/source/unomodel.cxx
@@ -1123,6 +1123,11 @@ void SmModel::writeFormulaOoxml( ::sax_fastparser::FSHelperPtr m_pSerializer, oo
     static_cast< SmDocShell* >( GetObjectShell())->writeFormulaOoxml( m_pSerializer, version );
 }
 
+void SmModel::writeFormulaRtf(OStringBuffer& rBuffer)
+{
+    static_cast<SmDocShell*>(GetObjectShell())->writeFormulaRtf(rBuffer);
+}
+
 void SmModel::readFormulaOoxml( oox::formulaimport::XmlStream& stream )
 {
     static_cast< SmDocShell* >( GetObjectShell())->readFormulaOoxml( stream );