rsc with language tags

Change-Id: I5401a9bcbd1e359ef62e8d667edf6ead1479ce46

2 files changed, 50 insertions, 92 deletions

diff --git a/rsc/source/parser/rscdb.cxx b/rsc/source/parser/rscdb.cxx
index 0b70e09fa934..38c5a1913109 100644
--- a/rsc/source/parser/rscdb.cxx
+++ b/rsc/source/parser/rscdb.cxx
@@ -23,6 +23,7 @@
 #include <string.h>
 
 #include <tools/rc.h>
+#include <i18npool/languagetag.hxx>
 #include <rtl/strbuf.hxx>
 #include <sal/log.hxx>
 #include <sal/macros.h>
@@ -74,76 +75,42 @@ RscTypCont :: RscTypCont( RscError * pErrHdl,
     Init();
 }
 
-static sal_uInt32 getLangIdAndShortenLocale( RscTypCont* pTypCont,
-                                             rtl::OString& rLang,
-                                             rtl::OString& rCountry,
-                                             rtl::OString& rVariant )
-{
-    rtl::OStringBuffer aLangStr( 64 );
-    aLangStr.append( rLang.toAsciiLowerCase() );
-    if( !rCountry.isEmpty() )
-    {
-        aLangStr.append( '-' );
-        aLangStr.append( rCountry.toAsciiUpperCase() );
-    }
-    if( !rVariant.isEmpty() )
-    {
-        aLangStr.append( '-' );
-        aLangStr.append( rVariant );
-    }
-    rtl::OString aL( aLangStr.makeStringAndClear() );
-    sal_uInt32 nRet = GetLangId( aL );
-    if( nRet == 0 )
-    {
-        pTypCont->AddLanguage( aL.getStr() );
-        nRet = GetLangId( aL );
-    }
-    if( !rVariant.isEmpty() )
-        rVariant = rtl::OString();
-    else if( !rCountry.isEmpty() )
-        rCountry = rtl::OString();
-    else
-        rLang = rtl::OString();
-#if OSL_DEBUG_LEVEL > 1
-        fprintf( stderr, " %s (0x%hx)", aL.getStr(), (int)nRet );
-#endif
-    return nRet;
-}
-
 rtl::OString RscTypCont::ChangeLanguage(const rtl::OString& rNewLang)
 {
     rtl::OString aRet = aLanguage;
     aLanguage = rNewLang;
 
-    rtl::OString aLang = aLanguage;
-    rtl::OString aLg, aCountry, aVariant;
-    sal_Int32 nIndex = 0;
-    aLg = aLang.getToken( 0, '-', nIndex );
-    if( nIndex != -1 )
-        aCountry = aLang.getToken( 0, '-', nIndex );
-    if( nIndex != -1 )
-        aVariant = aLang.copy( nIndex );
-
+    ::std::vector< OUString > aFallbacks;
+    if (rNewLang.isEmpty())
+        aFallbacks.push_back( "" );     // do not resolve to SYSTEM (en-US)
+    else
+        aFallbacks = LanguageTag( OStringToOUString( rNewLang, RTL_TEXTENCODING_ASCII_US)).getFallbackStrings();
     bool bAppendEnUsFallback =
         ! (rNewLang.equalsIgnoreAsciiCase( "en-US" ) ||
            rNewLang.equalsIgnoreAsciiCase( "x-no-translate" ) );
+    if (bAppendEnUsFallback)
+        aFallbacks.push_back( "en-US");
 
 #if OSL_DEBUG_LEVEL > 1
-    fprintf( stderr, "RscTypCont::ChangeLanguage:" );
+    fprintf( stderr, "RscTypCont::ChangeLanguage: " );
 #endif
-    aLangFallbacks.clear();
 
-    do
-    {
-        aLangFallbacks.push_back(getLangIdAndShortenLocale( this, aLg, aCountry, aVariant ) );
-    } while( !aLg.isEmpty() );
+    aLangFallbacks.clear();
 
-    if( bAppendEnUsFallback )
+    for (::std::vector< OUString >::const_iterator it( aFallbacks.begin()); it != aFallbacks.end(); ++it)
     {
-        aLg = "en";
-        aCountry = "US";
-        aVariant = rtl::OString();
-        aLangFallbacks.push_back( getLangIdAndShortenLocale( this, aLg, aCountry, aVariant ) );
+        rtl::OString aLang( OUStringToOString( *it, RTL_TEXTENCODING_ASCII_US));
+        sal_uInt32 nID = GetLangId( aLang );
+        bool bAdd = (nID == 0);
+        if ( bAdd )
+        {
+            AddLanguage( aLang.getStr() );
+            nID = GetLangId( aLang );
+        }
+#if OSL_DEBUG_LEVEL > 1
+        fprintf( stderr, " '%s' (0x%hx) (%s)", aLang.getStr(), (int)nID, (bAdd ? "added" : "exists") );
+#endif
+        aLangFallbacks.push_back( nID);
     }
 
 #if OSL_DEBUG_LEVEL > 1
diff --git a/rsc/source/parser/rscibas.cxx b/rsc/source/parser/rscibas.cxx
index 194c9740f80c..9b74545534b2 100644
--- a/rsc/source/parser/rscibas.cxx
+++ b/rsc/source/parser/rscibas.cxx
@@ -84,48 +84,35 @@ void RscLangEnum::Init( RscNameTable& rNames )
     {
 #if OSL_DEBUG_LEVEL > 2
         fprintf( stderr, "ISO Language in : %d, 0x%04x, %s\n",
-                 (int)nIndex,
-                 (unsigned)pLangEntry->mnLang,
-                 OUStringToOString( LanguageTag( pLangEntry->mnLang ).getBcp47(), RTL_TEXTENCODING_ASCII_US).getStr() );
+                (int)nIndex,
+                (unsigned)pLangEntry->mnLang,
+                OUStringToOString( pLangEntry->getTagString(), RTL_TEXTENCODING_ASCII_US).getStr());
+        fprintf( stderr, "ISO Language out:");
 #endif
-        rtl::OString aLang(pLangEntry->maLangStr, strlen(pLangEntry->maLangStr));
-        rtl::OString aCountry(pLangEntry->maCountry, strlen(pLangEntry->maCountry));
-        if ( aCountry.isEmpty() || aLang.equalsIgnoreAsciiCase(aCountry) )
+        LanguageTag aLanguageTag( pLangEntry->getTagString());
+        ::std::vector< OUString > aFallbacks( aLanguageTag.getFallbackStrings());
+        for (::std::vector< OUString >::const_iterator it( aFallbacks.begin()); it != aFallbacks.end(); ++it)
         {
+            OString aLang( OUStringToOString( *it, RTL_TEXTENCODING_ASCII_US));
             SetConstant( rNames.Put( aLang.getStr(), CONSTNAME, mnLangId ), mnLangId );
-            if ( ! GetLangId( aLang ))
+            bool bAdd = (GetLangId( aLang ) == 0);
+            if ( bAdd )
                 ULong_Iso_map[ aLang ] = mnLangId;
 #if OSL_DEBUG_LEVEL > 2
-            fprintf( stderr, "ISO Language out: %s 0x%lx\n", aLang.getStr(), mnLangId );
+            fprintf( stderr, " %s 0x%lx (%s)", aLang.getStr(), mnLangId, (bAdd ? "added" : "exists") );
 #endif
             mnLangId++;
         }
-        else
-        {
-            SetConstant( rNames.Put( aLang.getStr(), CONSTNAME, mnLangId ), mnLangId );
-            if ( ! GetLangId( aLang ))
-                ULong_Iso_map[ aLang ] = mnLangId;
-#if OSL_DEBUG_LEVEL > 2
-            fprintf( stderr, "ISO Language out: %s 0x%lx", aLang.getStr(), mnLangId );
-#endif
-            mnLangId++;
-            aLang = aLang + rtl::OString( '-' ) + aCountry.toAsciiUpperCase();
-            SetConstant( rNames.Put( aLang.getStr(), CONSTNAME, mnLangId ), mnLangId );
-            if ( ! GetLangId( aLang ))
-                ULong_Iso_map[ aLang ] = mnLangId;
 #if OSL_DEBUG_LEVEL > 2
-            fprintf( stderr, " %s 0x%lx\n", aLang.getStr(), mnLangId );
+        fprintf( stderr, "\n");
 #endif
-            mnLangId++;
-// hack - survive "x-no-translate"
-            if (aLang.equalsL(RTL_CONSTASCII_STRINGPARAM("en-US")))
-            {
-                SetConstant( rNames.Put( "x-comment", CONSTNAME, mnLangId ), mnLangId );
-                mnLangId++;
-            }
-        }
         nIndex++;
     }
+    // hack - survive "x-no-translate"
+    /* XXX: that ^^^ was the original comment, but we're adding "x-comment"
+     * here? Which is good anyway. */
+    SetConstant( rNames.Put( "x-comment", CONSTNAME, mnLangId ), mnLangId );
+    mnLangId++;
 
     rtl::OString aEnvIsoTokens = getenv( "RSC_LANG_ISO" );
     if ( !aEnvIsoTokens.isEmpty() )
@@ -139,10 +126,12 @@ void RscLangEnum::Init( RscNameTable& rNames )
             if ( !aIsoToken.isEmpty() )
             {
                 SetConstant( rNames.Put( aIsoToken.getStr(), CONSTNAME, mnLangId ), mnLangId );
-                if ( ! GetLangId( aIsoToken ))
+                bool bAdd = (GetLangId( aIsoToken ) == 0);
+                if ( bAdd )
                     ULong_Iso_map[ aIsoToken ] = mnLangId;
 #if OSL_DEBUG_LEVEL > 2
-                fprintf( stderr, "Env ISO Language out: %s 0x%lx\n", aIsoToken.getStr(), mnLangId );
+                fprintf( stderr, "Env ISO Language out: %s 0x%lx (%s)\n",
+                        aIsoToken.getStr(), mnLangId, (bAdd ? "added" : "exists") );
 #endif
                 mnLangId++;
             }
@@ -166,20 +155,22 @@ void RscLangEnum::Init( RscNameTable& rNames )
 Atom RscLangEnum::AddLanguage( const char* pLang, RscNameTable& rNames )
 {
     Atom nResult = 0;
+    bool bAdd = false;
     KEY_STRUCT aStruct;
     if( ! rNames.Get( nResult = pHS->getID( pLang ), &aStruct ) )
     {
         SetConstant( nResult = rNames.Put( pLang, CONSTNAME, mnLangId ), mnLangId );
         // insert new lang to ULong_Iso_map
         rtl::OString aLang( pLang );
-        if ( ! GetLangId( aLang ))
+        bAdd = (GetLangId( aLang ) == 0);
+        if ( bAdd )
             ULong_Iso_map[ aLang ] = mnLangId;
         // increase id counter
         mnLangId++;
     }
-    #if OSL_DEBUG_LEVEL > 2
-    fprintf( stderr, "AddLanguage( %s ) = %d\n", pLang, nResult );
-    #endif
+#if OSL_DEBUG_LEVEL > 2
+    fprintf( stderr, "AddLanguage( '%s' ) = %d (%s)\n", pLang, nResult, (bAdd ? "added" : "exists") );
+#endif
     return nResult;
 }