String -> OUString

Change-Id: I9d86ea5b27e8b8db75bf7a2ea9965621c857adb7

starmath/inc/document.hxx

@@ -96,7 +96,7 @@ class SmDocShell : public SfxObjectShell, public SfxListener
     String              aText;
     SmFormat            aFormat;
     SmParser            aInterpreter;
-    String              aAccText;
+    OUString            aAccText;
     SmNode             *pTree;
     SfxMenuBarManager  *pMenuMgr;
     SfxItemPool        *pEditEngineItemPool;
@@ -198,7 +198,7 @@ public:
 
     const std::set< rtl::OUString > &    GetUsedSymbols() const  { return aUsedSymbols; }
 
-    String          GetAccessibleText();
+    OUString        GetAccessibleText();
 
     EditEngine &    GetEditEngine();
     SfxItemPool &   GetEditEngineItemPool();

starmath/inc/node.hxx

@@ -156,7 +156,7 @@ public:
     virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
     virtual void CreateTextFromNode(String &rText);
 
-    virtual void    GetAccessibleText( String &rText ) const;
+    virtual void    GetAccessibleText( OUStringBuffer &rText ) const;
     sal_Int32       GetAccessibleIndex() const { return nAccIndex; }
     const SmNode *  FindNodeWithAccessibleIndex(xub_StrLen nAccIndex) const;
 
@@ -324,7 +324,7 @@ public:
 
     SmStructureNode & operator = ( const SmStructureNode &rNode );
 
-    virtual void  GetAccessibleText( String &rText ) const;
+    virtual void  GetAccessibleText( OUStringBuffer &rText ) const;
 
     void SetSubNode(size_t nIndex, SmNode* pNode)
     {
@@ -378,7 +378,7 @@ protected:
 
 public:
 
-    virtual void  GetAccessibleText( String &rText ) const;
+    virtual void  GetAccessibleText( OUStringBuffer &rText ) const;
 };
 
 
@@ -490,7 +490,7 @@ public:
     virtual void Arrange(const OutputDevice &rDev, const SmFormat &rFormat);
     virtual void CreateTextFromNode(String &rText);
 
-    virtual void  GetAccessibleText( String &rText ) const;
+    virtual void  GetAccessibleText( OUStringBuffer &rText ) const;
     void Accept(SmVisitor* pVisitor);
     /**
       Converts the character from StarMath's private area symbols to a matching Unicode

starmath/source/accessibility.cxx

@@ -514,10 +514,11 @@ awt::Rectangle SAL_CALL SmGraphicAccessible::getCharacterBounds( sal_Int32 nInde
             OSL_ENSURE( nAccIndex >= 0, "invalid accessible index" );
             OSL_ENSURE( nIndex >= nAccIndex, "index out of range" );
 
-            String    aNodeText;
-            pNode->GetAccessibleText( aNodeText );
+            OUStringBuffer aBuf;
+            pNode->GetAccessibleText(aBuf);
+            OUString aNodeText = aBuf.makeStringAndClear();
             sal_Int32 nNodeIndex = nIndex - nAccIndex;
-            if (0 <= nNodeIndex  &&  nNodeIndex < aNodeText.Len())
+            if (0 <= nNodeIndex  &&  nNodeIndex < aNodeText.getLength())
             {
                 // get appropriate rectangle
                 Point aOffset(pNode->GetTopLeft() - pTree->GetTopLeft());
@@ -525,9 +526,9 @@ awt::Rectangle SAL_CALL SmGraphicAccessible::getCharacterBounds( sal_Int32 nInde
                 aTLPos.X() -= 0;
                 Size  aSize (pNode->GetSize());
 
-                sal_Int32 *pXAry = new sal_Int32[ aNodeText.Len() ];
+                sal_Int32 *pXAry = new sal_Int32[ aNodeText.getLength() ];
                 pWin->SetFont( pNode->GetFont() );
-                pWin->GetTextArray( aNodeText, pXAry, 0, aNodeText.Len() );
+                pWin->GetTextArray( aNodeText, pXAry, 0, aNodeText.getLength() );
                 aTLPos.X()    += nNodeIndex > 0 ? pXAry[nNodeIndex - 1] : 0;
                 aSize.Width()  = nNodeIndex > 0 ? pXAry[nNodeIndex] - pXAry[nNodeIndex - 1] : pXAry[nNodeIndex];
                 delete[] pXAry;
@@ -600,22 +601,23 @@ sal_Int32 SAL_CALL SmGraphicAccessible::getIndexAtPoint( const awt::Point& aPoin
             if (aRect.IsInside( aPos ))
             {
                 OSL_ENSURE( pNode->IsVisible(), "node is not a leaf" );
-                String aTxt;
-                pNode->GetAccessibleText( aTxt );
-                OSL_ENSURE( aTxt.Len(), "no accessible text available" );
+                OUStringBuffer aBuf;
+                pNode->GetAccessibleText(aBuf);
+                OUString aTxt = aBuf.makeStringAndClear();
+                OSL_ENSURE( !aTxt.isEmpty(), "no accessible text available" );
 
                 long nNodeX = pNode->GetLeft();
 
-                sal_Int32 *pXAry = new sal_Int32[ aTxt.Len() ];
+                sal_Int32 *pXAry = new sal_Int32[ aTxt.getLength() ];
                 pWin->SetFont( pNode->GetFont() );
-                pWin->GetTextArray( aTxt, pXAry, 0, aTxt.Len() );
-                for (sal_Int32 i = 0;  i < aTxt.Len()  &&  nRes == -1;  ++i)
+                pWin->GetTextArray( aTxt, pXAry, 0, aTxt.getLength() );
+                for (sal_Int32 i = 0;  i < aTxt.getLength()  &&  nRes == -1;  ++i)
                 {
                     if (pXAry[i] + nNodeX > aPos.X())
                         nRes = i;
                 }
                 delete[] pXAry;
-                OSL_ENSURE( nRes >= 0  &&  nRes < aTxt.Len(), "index out of range" );
+                OSL_ENSURE( nRes >= 0  &&  nRes < aTxt.getLength(), "index out of range" );
                 OSL_ENSURE( pNode->GetAccessibleIndex() >= 0,
                         "invalid accessible index" );
 

starmath/source/document.cxx

@@ -224,17 +224,21 @@ void SmDocShell::SetFormat(SmFormat& rFormat)
     }
 }
 
-String SmDocShell::GetAccessibleText()
+OUString SmDocShell::GetAccessibleText()
 {
     RTL_LOGFILE_CONTEXT( aLog, "starmath: SmDocShell::GetAccessibleText" );
 
     if (!IsFormulaArranged())
         ArrangeFormula();
-    if (0 == aAccText.Len())
+    if (aAccText.isEmpty())
     {
         OSL_ENSURE( pTree, "Tree missing" );
         if (pTree)
-            pTree->GetAccessibleText( aAccText );
+        {
+            OUStringBuffer aBuf;
+            pTree->GetAccessibleText(aBuf);
+            aAccText = aBuf.makeStringAndClear();
+        }
     }
     return aAccText;
 }
@@ -306,7 +310,7 @@ void SmDocShell::ArrangeFormula()
     SetFormulaArranged(true);
 
     // invalidate accessible text
-    aAccText = String();
+    aAccText = OUString();
 }
 
 

starmath/source/node.cxx

@@ -520,7 +520,7 @@ const SmNode * SmNode::FindRectClosestTo(const Point &rPoint) const
     return pResult;
 }
 
-void SmNode::GetAccessibleText( String &/*rText*/ ) const
+void SmNode::GetAccessibleText( OUStringBuffer &/*rText*/ ) const
 {
     OSL_FAIL( "SmNode: GetAccessibleText not overloaded" );
 }
@@ -530,12 +530,12 @@ const SmNode * SmNode::FindNodeWithAccessibleIndex(xub_StrLen nAccIdx) const
     const SmNode *pResult = 0;
 
     sal_Int32 nIdx = GetAccessibleIndex();
-    String aTxt;
+    OUStringBuffer aTxt;
     if (nIdx >= 0)
         GetAccessibleText( aTxt );  // get text if used in following 'if' statement
 
     if (nIdx >= 0
-        &&  nIdx <= nAccIdx  &&  nAccIdx < nIdx + aTxt.Len())
+        &&  nIdx <= nAccIdx  &&  nAccIdx < nIdx + aTxt.getLength())
         pResult = this;
     else
     {
@@ -749,7 +749,7 @@ SmNode * SmStructureNode::GetSubNode(sal_uInt16 nIndex)
 }
 
 
-void SmStructureNode::GetAccessibleText( String &rText ) const
+void SmStructureNode::GetAccessibleText( OUStringBuffer &rText ) const
 {
     sal_uInt16 nNodes = GetNumSubNodes();
     for (sal_uInt16 i = 0;  i < nNodes;  ++i)
@@ -758,7 +758,7 @@ void SmStructureNode::GetAccessibleText( String &rText ) const
         if (pNode)
         {
             if (pNode->IsVisible())
-                ((SmStructureNode *) pNode)->nAccIndex = rText.Len();
+                ((SmStructureNode *) pNode)->nAccIndex = rText.getLength();
             pNode->GetAccessibleText( rText );
         }
     }
@@ -787,9 +787,9 @@ SmNode * SmVisibleNode::GetSubNode(sal_uInt16 /*nIndex*/)
 
 ///////////////////////////////////////////////////////////////////////////
 
-void SmGraphicNode::GetAccessibleText( String &rText ) const
+void SmGraphicNode::GetAccessibleText( OUStringBuffer &rText ) const
 {
-    rText += GetToken().aText;
+    rText.append(GetToken().aText);
 }
 
 ///////////////////////////////////////////////////////////////////////////
@@ -2440,9 +2440,9 @@ void SmTextNode::CreateTextFromNode(String &rText)
 }
 
 
-void SmTextNode::GetAccessibleText( String &rText ) const
+void SmTextNode::GetAccessibleText( OUStringBuffer &rText ) const
 {
-    rText += aText;
+    rText.append(aText);
 }
 
 void SmTextNode::AdjustFontDesc()