i#20348: made the ordinal suffixe autocorrection internationalized

1 files changed, 50 insertions, 35 deletions

diff --git a/i18npool/source/ordinalsuffix/ordinalsuffix.cxx b/i18npool/source/ordinalsuffix/ordinalsuffix.cxx
index f541553a9efa..3e8158cd8209 100644
--- a/i18npool/source/ordinalsuffix/ordinalsuffix.cxx
+++ b/i18npool/source/ordinalsuffix/ordinalsuffix.cxx
@@ -32,10 +32,14 @@
 #include <string.h>
 #include "ordinalsuffix.hxx"
 
+#include <unicode/rbnf.h>
+#include <unicode/normlzr.h>
+
+#define CSTR( ouStr ) rtl::OUStringToOString( ouStr, RTL_TEXTENCODING_UTF8 ).getStr( )
 
 using namespace ::com::sun::star::i18n;
 using namespace ::com::sun::star::uno;
-using namespace ::com::sun::star::lang;
+using namespace ::com::sun::star;
 using namespace ::rtl;
 
 namespace com { namespace sun { namespace star { namespace i18n {
@@ -52,50 +56,61 @@ OrdinalSuffix::~OrdinalSuffix()
 }
 
 
-static OUString getOrdinalSuffixEn( sal_Int32 nNumber )
+/*
+ * For this method to properly return the ordinal suffix for other locales
+ * than english ones, ICU 4.2+ has to be used.
+ */
+uno::Sequence< OUString > SAL_CALL OrdinalSuffix::getOrdinalSuffix( sal_Int32 nNumber,
+        const lang::Locale &aLocale ) throw( RuntimeException )
 {
-    OUString retValue;
-
-    switch( labs( nNumber ) % 100 )
+    uno::Sequence< OUString > retValue;
+
+    // Get the value from ICU
+    UErrorCode nCode = U_ZERO_ERROR;
+    const icu::Locale rIcuLocale(
+            CSTR( aLocale.Language ),
+            CSTR( aLocale.Country ),
+            CSTR( aLocale.Variant ) );
+    icu::RuleBasedNumberFormat formatter(
+            icu::URBNF_ORDINAL, rIcuLocale, nCode );
+
+    if ( U_SUCCESS( nCode ) )
     {
-        case 11: case 12: case 13:
-            retValue = OUString(RTL_CONSTASCII_USTRINGPARAM("th"));
-            break;
-        default:
-            switch( nNumber % 10 )
+        int32_t nRuleSets = formatter.getNumberOfRuleSetNames( );
+        for ( int32_t i = 0; i < nRuleSets; i++ )
+        {
+            icu::UnicodeString ruleSet = formatter.getRuleSetName( i );
+            // format the string
+            icu::UnicodeString icuRet;
+            icu::FieldPosition icuPos;
+            formatter.format( (int32_t)nNumber, ruleSet, icuRet, icuPos, nCode );
+
+            if ( U_SUCCESS( nCode ) )
             {
-                case 1:
-                    retValue = OUString(RTL_CONSTASCII_USTRINGPARAM("st"));
-                    break;
-                case 2:
-                    retValue = OUString(RTL_CONSTASCII_USTRINGPARAM("nd"));
-                    break;
-                case 3:
-                    retValue = OUString(RTL_CONSTASCII_USTRINGPARAM("rd"));
-                    break;
-                default:
-                    retValue = OUString(RTL_CONSTASCII_USTRINGPARAM("th"));
-                    break;
+                // Apply NFKC normalization to get normal letters
+                icu::UnicodeString normalized;
+                nCode = U_ZERO_ERROR;
+                icu::Normalizer::normalize( icuRet, UNORM_NFKC, 0, normalized, nCode );
+                if ( U_SUCCESS( nCode ) && ( normalized != icuRet ) )
+                {
+                    // Convert the normalized UnicodeString to OUString
+                    OUString sValue( reinterpret_cast<const sal_Unicode *>( normalized.getBuffer( ) ), normalized.length() );
+
+                    // Remove the number to get the prefix
+                    sal_Int32 len = OUString::valueOf( nNumber ).getLength( );
+
+                    sal_Int32 newLength = retValue.getLength() + 1;
+                    retValue.realloc( newLength );
+                    retValue[ newLength - 1 ] = sValue.copy( len );
+                }
             }
-            break;
+        }
     }
 
     return retValue;
 }
 
 
-OUString SAL_CALL OrdinalSuffix::getOrdinalSuffix( sal_Int32 nNumber,
-        const Locale &aLocale ) throw( RuntimeException )
-{
-    OUString retValue;
-
-    if (aLocale.Language.equalsAsciiL("en",2))
-        retValue = getOrdinalSuffixEn( nNumber );
-
-    return retValue;
-}
-
-
 const sal_Char cOrdinalSuffix[] = "com.sun.star.i18n.OrdinalSuffix";
 
 OUString SAL_CALL OrdinalSuffix::getImplementationName(void) throw( RuntimeException )