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authorAndreas Heinisch <andreas.heinisch@yahoo.de>2021-07-17 10:42:58 +0200
committerAndreas Heinisch <andreas.heinisch@yahoo.de>2021-07-19 13:03:22 +0200
commitf5e030a343bec9f0f2c7b30e2dfb21ba5c94e5e8 (patch)
tree0ccb1f128bd1f595deddbbff6e125834e63dd254
parent903f7dd825caca1af15d985658043ec055c4eb45 (diff)
tdf#143332 - Use utl::TextSearch to implement the InStrRev function
Change-Id: I2dae038d061f036b3b7c0fbbcb6a821305d4839e Reviewed-on: https://gerrit.libreoffice.org/c/core/+/119094 Tested-by: Jenkins Reviewed-by: Andreas Heinisch <andreas.heinisch@yahoo.de>
-rw-r--r--basic/qa/vba_tests/instrrev.vb9
-rw-r--r--basic/source/runtime/methods.cxx18
2 files changed, 20 insertions, 7 deletions
diff --git a/basic/qa/vba_tests/instrrev.vb b/basic/qa/vba_tests/instrrev.vb
index 506d40733cdb..7d047fc74aa6 100644
--- a/basic/qa/vba_tests/instrrev.vb
+++ b/basic/qa/vba_tests/instrrev.vb
@@ -28,7 +28,14 @@ Sub verify_testInStrRev()
SearchChar = "P" ' Search for "P".
TestUtil.AssertEqual(InStrRev(SearchString, SearchChar, 4, 1), 3, "InStrRev(SearchString, SearchChar, 4, 1)")
TestUtil.AssertEqual(InStrRev(SearchString, SearchChar, -1, 0), 12, "InStrRev(SearchString, SearchChar, -1, 0)")
- TestUtil.AssertEqual(InStrRev(SearchString, "W", 1), 0, "InStrRev(SearchString, ""W"", 1)")
+ TestUtil.AssertEqual(InStrRev(SearchString, "W", 1), 0, "InStrRev(SearchString, ""W"", 1)")
+
+ ' tdf#143332 - case-insensitive operation for non-ASCII characters
+ TestUtil.AssertEqual(InStrRev("α", "Α", -1, 1), 1, "InStrRev(""α"", ""Α"", -1, 1)")
+ TestUtil.AssertEqual(InStrRev("abc", "d", -1, 1), 0, "InStrRev(""abc"", ""d"", -1, 1)")
+ ' tdf#143332 - German Eszett is uppercased to a two-character 'SS'.
+ ' This test should fail after tdf#110003 has been fixed.
+ TestUtil.AssertEqual(InStrRev("Straße", "s", -1, 1), 5, "InStrRev(""Straße"", ""s"", -1, 1)")
Exit Sub
errorHandler:
diff --git a/basic/source/runtime/methods.cxx b/basic/source/runtime/methods.cxx
index 1055aab142d2..39309f06a4f4 100644
--- a/basic/source/runtime/methods.cxx
+++ b/basic/source/runtime/methods.cxx
@@ -929,8 +929,8 @@ void SbRtl_InStrRev(StarBASIC *, SbxArray & rPar, bool)
}
else
{
- OUString aStr1 = rPar.Get(1)->GetOUString();
- OUString aToken = rPar.Get(2)->GetOUString();
+ const OUString aStr1 = rPar.Get(1)->GetOUString();
+ const OUString aToken = rPar.Get(2)->GetOUString();
sal_Int32 nStartPos = -1;
if ( nArgCount >= 3 )
@@ -959,7 +959,7 @@ void SbRtl_InStrRev(StarBASIC *, SbxArray & rPar, bool)
{
bTextMode = rPar.Get(4)->GetInteger();
}
- sal_Int32 nStrLen = aStr1.getLength();
+ const sal_Int32 nStrLen = aStr1.getLength();
if( nStartPos == -1 )
{
nStartPos = nStrLen;
@@ -982,10 +982,16 @@ void SbRtl_InStrRev(StarBASIC *, SbxArray & rPar, bool)
}
else
{
- aStr1 = aStr1.toAsciiUpperCase();
- aToken = aToken.toAsciiUpperCase();
+ // tdf#143332 - case-insensitive operation for non-ASCII characters
+ i18nutil::SearchOptions2 aSearchOptions;
+ aSearchOptions.searchString = aToken;
+ aSearchOptions.AlgorithmType2 = util::SearchAlgorithms2::ABSOLUTE;
+ aSearchOptions.transliterateFlags |= TransliterationFlags::IGNORE_CASE;
+ utl::TextSearch textSearch(aSearchOptions);
- nPos = aStr1.lastIndexOf( aToken, nStartPos ) + 1;
+ sal_Int32 nStart = 0;
+ sal_Int32 nEnd = nStartPos;
+ nPos = textSearch.SearchBackward(aStr1, &nEnd, &nStart) ? nStart : 0;
}
}
}