Replace OUStringBuffer::appendCopy with append(std::u16string_view)

...which is more general

Change-Id: I94f28f8eda887120cf5f143b4549e0339b60e6a7
Reviewed-on: https://gerrit.libreoffice.org/66155
Tested-by: Jenkins
Reviewed-by: Stephan Bergmann <sbergman@redhat.com>

2 files changed, 9 insertions, 4 deletions

diff --git a/unotools/source/config/configpaths.cxx b/unotools/source/config/configpaths.cxx
index 6625b3d382d4..81d8cb828c6e 100644
--- a/unotools/source/config/configpaths.cxx
+++ b/unotools/source/config/configpaths.cxx
@@ -17,6 +17,10 @@
  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  */
 
+#include <sal/config.h>
+
+#include <string_view>
+
 #include <unotools/configpaths.hxx>
 #include <rtl/ustring.hxx>
 #include <rtl/ustrbuf.hxx>
@@ -49,7 +53,7 @@ void lcl_resolveCharEntities(OUString & aLocalString)
         OSL_ENSURE(ch,"Configuration path contains '&' that is not part of a valid character escape");
         if (ch)
         {
-            aResult.appendCopy(aLocalString, nStart,nEscapePos-nStart).append(ch);
+            aResult.append(std::u16string_view(aLocalString).substr(nStart,nEscapePos-nStart)).append(ch);
 
             sal_Int32 nEscapeEnd=aLocalString.indexOf(';',nEscapePos);
             nStart = nEscapeEnd+1;
@@ -62,7 +66,7 @@ void lcl_resolveCharEntities(OUString & aLocalString)
     }
     while ( nEscapePos > 0);
 
-    aResult.appendCopy(aLocalString, nStart);
+    aResult.append(std::u16string_view(aLocalString).substr(nStart));
 
     aLocalString = aResult.makeStringAndClear();
 }
diff --git a/unotools/source/i18n/textsearch.cxx b/unotools/source/i18n/textsearch.cxx
index 81768e9d021e..bd0f3f9bcb2e 100644
--- a/unotools/source/i18n/textsearch.cxx
+++ b/unotools/source/i18n/textsearch.cxx
@@ -20,6 +20,7 @@
 #include <sal/config.h>
 
 #include <cstdlib>
+#include <string_view>
 
 #include <i18nlangtag/languagetag.hxx>
 #include <i18nutil/searchopt.hxx>
@@ -316,7 +317,7 @@ void TextSearch::ReplaceBackReferences( OUString& rReplaceStr, const OUString &r
             {
                 sal_Int32 nStart = rResult.startOffset[0];
                 sal_Int32 nLength = rResult.endOffset[0] - rResult.startOffset[0];
-                sBuff.appendCopy(rStr, nStart, nLength);
+                sBuff.append(std::u16string_view(rStr).substr(nStart, nLength));
             }
             else if((i < rReplaceStr.getLength() - 1) && rReplaceStr[i] == '$')
             {
@@ -353,7 +354,7 @@ void TextSearch::ReplaceBackReferences( OUString& rReplaceStr, const OUString &r
                                 nSttReg = rResult.endOffset[j];
                             }
                             // Copy reference from found string
-                            sBuff.appendCopy(rStr, nSttReg, nRegLen);
+                            sBuff.append(std::u16string_view(rStr).substr(nSttReg, nRegLen));
                         }
                         i += 1;
                     }