String -> OUString

Change-Id: Icdb39e5b5ba38d48f5cc3a4ae371fb77cb981242

starmath/inc/visitors.hxx

@@ -453,11 +453,9 @@ private:
 class SmNodeToTextVisitor : public SmVisitor
 {
 public:
-    SmNodeToTextVisitor( SmNode* pNode, String &rText )
-        : rCmdText( rText ) {
-        pNode->Accept( this );
-    }
+    SmNodeToTextVisitor( SmNode* pNode, OUString &rText );
     virtual ~SmNodeToTextVisitor() {}
+
     void Visit( SmTableNode* pNode );
     void Visit( SmBraceNode* pNode );
     void Visit( SmBracebodyNode* pNode );
@@ -493,19 +491,16 @@ private:
             pNode->Accept( this );
         Separate( );
     }
-    inline void Append( const sal_Char* pCharStr ) {
-        rCmdText.AppendAscii( pCharStr );
-    }
-    inline void Append( const String &rText ) {
-        rCmdText.Append( rText );
+    void Append( const OUString &rText ) {
+        aCmdText.append( rText );
     }
     /** Append a blank for separation, if needed */
     inline void Separate( ){
-        if( !rCmdText.Len() || rCmdText.GetChar( rCmdText.Len( ) - 1 ) != ' ' )
-            rCmdText.AppendAscii( RTL_CONSTASCII_STRINGPARAM( " " ) );
+        if( !aCmdText.getLength() || aCmdText[ aCmdText.getLength() - 1 ] != ' ' )
+            aCmdText.append(' ');
     }
     /** Output text generated from the pNodes */
-    String &rCmdText;
+    OUStringBuffer aCmdText;
 };
 
 #endif /* SMVISITORS_H */

starmath/qa/cppunit/test_nodetotextvisitors.cxx

@@ -494,11 +494,11 @@ void Test::SimpleSpecialChars()
  */
 void Test::parseandparseagain(const char *formula, const char *test_name)
 {
-    String input, output1, output2;
+    OUString output1, output2;
     SmNode *pNode1, *pNode2;
 
     // parse 1
-    input.AppendAscii(formula);
+    OUString input = OUString::createFromAscii(formula);
     pNode1 = SmParser().ParseExpression(input);
     pNode1->Prepare(xDocShRef->GetFormat(), *xDocShRef);
     SmNodeToTextVisitor(pNode1, output1);
@@ -519,17 +519,17 @@ void Test::parseandparseagain(const char *formula, const char *test_name)
 
 void Test::ParseAndCheck(const char *formula, const char * expected, const char *test_name)
 {
-    String sInput, sOutput, sExpected;
+    OUString sOutput;
     SmNode *pNode;
 
     // parse
-    sInput.AppendAscii(formula);
+    OUString sInput = OUString::createFromAscii(formula);
     pNode = SmParser().ParseExpression(sInput);
     pNode->Prepare(xDocShRef->GetFormat(), *xDocShRef);
     SmNodeToTextVisitor(pNode, sOutput);
 
     // compare
-    sExpected.AppendAscii(expected);
+    OUString sExpected = OUString::createFromAscii(expected);
     CPPUNIT_ASSERT_EQUAL_MESSAGE(test_name,
         sExpected,
         sOutput);

starmath/source/cursor.cxx

@@ -1462,7 +1462,7 @@ void SmCursor::EndEdit(){
     RequestRepaint();
 
     //Update the edit engine and text of the document
-    String formula;
+    OUString formula;
     SmNodeToTextVisitor(pTree, formula);
     //pTree->CreateTextFromNode(formula);
     pDocShell->aText = formula;

starmath/source/visitors.cxx

@@ -2117,6 +2117,12 @@ void SmSelectionDrawingVisitor::Visit( SmTextNode* pNode )
 
 /////////////////////////////// SmNodeToTextVisitor ///////////////////////////////
 
+SmNodeToTextVisitor::SmNodeToTextVisitor( SmNode* pNode, OUString &rText )
+{
+    pNode->Accept( this );
+    rText = aCmdText.makeStringAndClear();
+}
+
 void SmNodeToTextVisitor::Visit( SmTableNode* pNode )
 {
     if( pNode->GetToken( ).eType == TBINOM ) {