use more string_view in unotools

Change-Id: If32767647d3fba22a8e4a2b10fc57f47efca01d2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/133270
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

2 files changed, 10 insertions, 10 deletions

diff --git a/unotools/source/misc/datetime.cxx b/unotools/source/misc/datetime.cxx
index f1b1d6a8a33e..db7216ffa268 100644
--- a/unotools/source/misc/datetime.cxx
+++ b/unotools/source/misc/datetime.cxx
@@ -303,25 +303,25 @@ OUString toISO8601(const css::util::DateTime& rDateTime)
 }
 
 /** convert ISO8601 DateTime String to util::DateTime */
-bool ISO8601parseDateTime(const OUString &rString, css::util::DateTime& rDateTime)
+bool ISO8601parseDateTime(std::u16string_view rString, css::util::DateTime& rDateTime)
 {
     bool bSuccess = true;
 
-    OUString aDateStr, aTimeStr;
+    std::u16string_view aDateStr, aTimeStr;
     css::util::Date aDate;
     css::util::Time aTime;
-    sal_Int32 nPos = rString.indexOf( 'T' );
-    if ( nPos >= 0 )
+    size_t nPos = rString.find( 'T' );
+    if ( nPos != std::u16string_view::npos )
     {
-        aDateStr = rString.copy( 0, nPos );
-        aTimeStr = rString.copy( nPos + 1 );
+        aDateStr = rString.substr( 0, nPos );
+        aTimeStr = rString.substr( nPos + 1 );
     }
     else
         aDateStr = rString;         // no separator: only date part
 
     bSuccess = ISO8601parseDate(aDateStr, aDate);
 
-    if ( bSuccess && !aTimeStr.isEmpty() )           // time is optional
+    if ( bSuccess && !aTimeStr.empty() )           // time is optional
     {
         bSuccess = ISO8601parseTime(aTimeStr, aTime);
     }
diff --git a/unotools/source/misc/fontdefs.cxx b/unotools/source/misc/fontdefs.cxx
index 9015f93e9de6..4a07087fd71f 100644
--- a/unotools/source/misc/fontdefs.cxx
+++ b/unotools/source/misc/fontdefs.cxx
@@ -457,14 +457,14 @@ OUString GetEnglishSearchFontName(std::u16string_view rInName)
     return rNameStr;
 }
 
-OUString GetNextFontToken( const OUString& rTokenStr, sal_Int32& rIndex )
+std::u16string_view GetNextFontToken( const OUString& rTokenStr, sal_Int32& rIndex )
 {
     // check for valid start index
     sal_Int32 nStringLen = rTokenStr.getLength();
     if( rIndex >= nStringLen )
     {
         rIndex = -1;
-        return OUString();
+        return {};
     }
 
     // find the next token delimiter and return the token substring
@@ -498,7 +498,7 @@ OUString GetNextFontToken( const OUString& rTokenStr, sal_Int32& rIndex )
         }
     }
 
-    return rTokenStr.copy( nTokenStart, nTokenLen );
+    return rTokenStr.subView( nTokenStart, nTokenLen );
 }
 
 static bool ImplIsFontToken( const OUString& rName, std::u16string_view rToken )