use more string_view in starmath

Change-Id: I3569d8dd41bf1c2db6a1fd379ca5596342922e45
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/140786
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

4 files changed, 11 insertions, 11 deletions

diff --git a/starmath/inc/parse5.hxx b/starmath/inc/parse5.hxx
index 5b72378676ee..92fc2a02917b 100644
--- a/starmath/inc/parse5.hxx
+++ b/starmath/inc/parse5.hxx
@@ -55,7 +55,7 @@ class SmParser5 final : public AbstractSmParser
     void NextTokenColor(SmTokenType dvipload);
     void NextTokenFontSize();
     sal_Int32 GetTokenIndex() const { return m_nTokenIndex; }
-    void Replace(sal_Int32 nPos, sal_Int32 nLen, const OUString& rText);
+    void Replace(sal_Int32 nPos, sal_Int32 nLen, std::u16string_view aText);
 
     inline bool TokenInGroup(TG nGroup);
 
diff --git a/starmath/source/node.cxx b/starmath/source/node.cxx
index 008ea0d3cc7d..421c9e03955e 100644
--- a/starmath/source/node.cxx
+++ b/starmath/source/node.cxx
@@ -2162,14 +2162,14 @@ void SmMathSymbolNode::Arrange(OutputDevice &rDev, const SmFormat &rFormat)
 
 /**************************************************************************/
 
-static bool lcl_IsFromGreekSymbolSet( const OUString &rTokenText )
+static bool lcl_IsFromGreekSymbolSet( std::u16string_view aTokenText )
 {
     bool bRes = false;
 
     // valid symbol name needs to have a '%' at pos 0 and at least an additional char
-    if (rTokenText.getLength() > 2 && rTokenText[0] == u'%')
+    if (aTokenText.size() > 2 && aTokenText[0] == u'%')
     {
-        OUString aName( rTokenText.copy(1) );
+        OUString aName( aTokenText.substr(1) );
         SmSym *pSymbol = SM_MOD()->GetSymbolManager().GetSymbolByName( aName );
         if (pSymbol && SmLocalizedSymbolData::GetExportSymbolSetName(pSymbol->GetSymbolSetName()) == "Greek")
             bRes = true;
diff --git a/starmath/source/parse5.cxx b/starmath/source/parse5.cxx
index 06aa373aa037..13f3701db26a 100644
--- a/starmath/source/parse5.cxx
+++ b/starmath/source/parse5.cxx
@@ -374,12 +374,12 @@ static bool lcl_IsNotWholeNumber16(const OUString& rText)
 }
 
 //Text replace onto m_aBufferString
-void SmParser5::Replace(sal_Int32 nPos, sal_Int32 nLen, const OUString& rText)
+void SmParser5::Replace(sal_Int32 nPos, sal_Int32 nLen, std::u16string_view aText)
 {
     assert(nPos + nLen <= m_aBufferString.getLength()); //checks if length allows text replace
 
-    m_aBufferString = m_aBufferString.replaceAt(nPos, nLen, rText); //replace and reindex
-    sal_Int32 nChg = rText.getLength() - nLen;
+    m_aBufferString = m_aBufferString.replaceAt(nPos, nLen, aText); //replace and reindex
+    sal_Int32 nChg = aText.size() - nLen;
     m_nBufferIndex = m_nBufferIndex + nChg;
     m_nTokenIndex = m_nTokenIndex + nChg;
 }
diff --git a/starmath/source/rect.cxx b/starmath/source/rect.cxx
index e7b761a46729..807ab7d0c0fc 100644
--- a/starmath/source/rect.cxx
+++ b/starmath/source/rect.cxx
@@ -108,7 +108,7 @@ bool SmGetGlyphBoundRect(const vcl::RenderContext &rDev,
     return bSuccess;
 }
 
-bool SmIsMathAlpha(const OUString &rText)
+bool SmIsMathAlpha(std::u16string_view aText)
     // true iff symbol (from StarMath Font) should be treated as letter
 {
     // Set of symbols, which should be treated as letters in StarMath Font
@@ -125,11 +125,11 @@ bool SmIsMathAlpha(const OUString &rText)
         u'\x2130',              u'\x2131'
     });
 
-    if (rText.isEmpty())
+    if (aText.empty())
         return false;
 
-    OSL_ENSURE(rText.getLength() == 1, "Sm : string must be exactly one character long");
-    sal_Unicode cChar = rText[0];
+    OSL_ENSURE(aText.size() == 1, "Sm : string must be exactly one character long");
+    sal_Unicode cChar = aText[0];
 
     // is it a greek symbol?
     if (u'\xE0AC' <= cChar  &&  cChar <= u'\xE0D4')