sl@0: // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // Name         : strcoll.cpp
sl@0: // Part of      : MRT
sl@0: // Implementation for wcpcpy API
sl@0: // Version      : 1.0
sl@0: //
sl@0: 
sl@0: #include <stdlib.h>
sl@0: #include <string.h>
sl@0: #include <e32std.h>
sl@0: #include <charconv.h>
sl@0: #include <e32des16.h>
sl@0: #include <f32file.h> 
sl@0: #include <wchar.h>
sl@0: #include <langinfo.h>
sl@0: #include <e32debug.h>
sl@0: #ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
sl@0: #include <collate.h>
sl@0: #include "localeinfo.h"
sl@0: #endif
sl@0: 
sl@0: #ifdef SYMBIAN_DISTINCT_LOCALE_MODEL
sl@0: #include <utf.h> 
sl@0: #endif
sl@0: 
sl@0: #if (defined(__SYMBIAN32__) && (defined(__WINSCW__) || defined(__WINS__)))
sl@0: #include "libc_wsd_defs.h"
sl@0: #endif
sl@0: 
sl@0: 
sl@0: #ifdef __SYMBIAN32__
sl@0: #define MAX_COL_LEVEL 1
sl@0: #endif
sl@0: 
sl@0: #ifdef __cplusplus
sl@0: extern "C" {
sl@0: #endif
sl@0: 
sl@0: #ifdef __SYMBIAN32__
sl@0: 	extern "C" char* LC_COLLATE_LocaleName[30];
sl@0: #ifdef EMULATOR
sl@0: 
sl@0: char *GET_WSD_VAR_NAME(LC_COLLATE_LocaleName, g)();
sl@0: #define LC_COLLATE_LocaleName (GET_WSD_VAR_NAME(LC_COLLATE_LocaleName, g)())
sl@0: #endif //EMULATOR
sl@0: 
sl@0: #endif //__SYMBIAN32__
sl@0: 
sl@0: #ifdef __cplusplus
sl@0: }
sl@0: #endif
sl@0: 
sl@0: static int DoConvertionToUnicode(const char* s1, TUint16* aUnicodeText);
sl@0: 
sl@0: EXPORT_C
sl@0: int strcoll(const char *s1, const char *s2)
sl@0: {
sl@0: #ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
sl@0:     TInt retVal;
sl@0: 	char *ret=NULL;
sl@0: #endif
sl@0: 	if((strcmp("C",(const char*) LC_COLLATE_LocaleName)==0) ||(strcmp("POSIX", (const char*) LC_COLLATE_LocaleName)==0)) 
sl@0: 		return strcmp (s1,s2);
sl@0: 	else	  	
sl@0: 	{
sl@0: 		TUint16* text1 = new TText16[strlen(s1) + 1];
sl@0: 		TUint16* text2 = new TText16[strlen(s2 ) + 1];
sl@0: 		
sl@0: 		if((DoConvertionToUnicode(s1, text1) == -1) || (DoConvertionToUnicode(s2, text2) == -1))
sl@0: 			{
sl@0: 		  	delete [] text1;
sl@0: 		 	delete [] text2;
sl@0: 			return -1;
sl@0: 			}
sl@0: 
sl@0: 		const TPtrC leftString((TText*) text1);
sl@0: 		const TPtrC rightString((TText*) text2);
sl@0: 		
sl@0: 		TInt left = leftString.Length();
sl@0: 		TInt right = rightString.Length();
sl@0: #ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
sl@0: 		ret=(char*)LC_COLLATE_LocaleName;
sl@0: 		if(*ret==NULL)
sl@0: 		{
sl@0: #endif
sl@0: #ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
sl@0: 		retVal = Mem :: CompareC(text1,left,text2,right, MAX_COL_LEVEL,NULL);	
sl@0: #else
sl@0: 	   	TInt retVal = Mem :: CompareC(text1,left,text2,right, MAX_COL_LEVEL,NULL);
sl@0: #endif
sl@0: #ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
sl@0:         }
sl@0:         else
sl@0:         {
sl@0:         CLocale* loc = CLocale::GetInstance();
sl@0:         TExtendedLocale elocale;
sl@0:         const TText* text;
sl@0:         
sl@0:         #ifdef SYMBIAN_DISTINCT_LOCALE_MODEL
sl@0:         text = loc->GetCollateLocaleName();
sl@0:         TPtrC localenew(text);
sl@0:         retVal = elocale.LoadLocaleAspect(localenew); 
sl@0:         if ( retVal == KErrNotFound ) // load old collate dll
sl@0:             {
sl@0:             text = loc->GetLocaleName();
sl@0:             TPtrC locale(text);
sl@0:             retVal = elocale.LoadLocaleAspect(ELocaleCollateSetting,locale);  
sl@0:             }
sl@0:         #else
sl@0:         text = loc->GetLocaleName();
sl@0:         TPtrC locale(text);
sl@0:         retVal = elocale.LoadLocaleAspect(ELocaleCollateSetting,locale);  
sl@0:         #endif
sl@0:         if( retVal == KErrNone )
sl@0:             {    
sl@0:             TCollationMethod chmethod=elocale.GetPreferredCollationMethod(0);
sl@0:             retVal = Mem :: CompareC(text1,left,text2,right, MAX_COL_LEVEL,&chmethod);
sl@0:             }
sl@0:         }
sl@0: #endif
sl@0: 	  	delete [] text1;
sl@0: 	 	delete [] text2;
sl@0: 		return retVal;
sl@0: 	}	
sl@0: 		 
sl@0: }
sl@0: 
sl@0: static int DoConvertionToUnicode( const char* s1, TUint16* aUnicodeText)
sl@0: {
sl@0: 
sl@0:     TInt r = KErrNone;
sl@0:     RFs fileSession;
sl@0:     r = fileSession.Connect();
sl@0:     if (r != KErrNone)
sl@0:         {
sl@0:             return r;
sl@0:         }
sl@0:     CleanupClosePushL(fileSession);
sl@0:         
sl@0:     CCnvCharacterSetConverter* conv = CCnvCharacterSetConverter::NewL() ;
sl@0:     CleanupStack::PushL(conv);
sl@0:         
sl@0:     CArrayFix<CCnvCharacterSetConverter::SCharacterSet> *charSet = CCnvCharacterSetConverter::CreateArrayOfCharacterSetsAvailableL(fileSession);
sl@0:     CleanupStack::PushL( charSet );
sl@0:     
sl@0:     TInt i = 0;
sl@0:     TInt count = charSet->Count();
sl@0:     TUint charSetUID = 0 ;
sl@0:     while(i < count)
sl@0:     {
sl@0:         CCnvCharacterSetConverter::SCharacterSet characterSet = charSet->At(i); 
sl@0:         i++;
sl@0:         charSetUID = characterSet.Identifier();
sl@0:        // const TBufC<25> charSetName = characterSet.NameIsFileName()?TParsePtrC(characterSet.Name()).Name():characterSet.Name();                             
sl@0:         const TBufC<50> charSetName = characterSet.NameIsFileName()?TParsePtrC(characterSet.Name()).Name():characterSet.Name();
sl@0:         const int CHAR_SET_NAME_SIZE = 100; //worst case size
sl@0:         TBuf8<CHAR_SET_NAME_SIZE> aCharSetName;
sl@0:        // if(wcstombs((char *)aCharSetName.Ptr(),(wchar_t*)(const_cast<TBufC<25>*>(&charSetName))->Des().PtrZ(),CHAR_SET_NAME_SIZE) == (size_t)-1)
sl@0:         if(wcstombs((char *)aCharSetName.Ptr(),(wchar_t*)(const_cast<TBufC<50>*>(&charSetName))->Des().PtrZ(),CHAR_SET_NAME_SIZE) == (size_t)-1)
sl@0:             {
sl@0:                 CleanupStack::PopAndDestroy(3); 
sl@0:                 return -1;
sl@0:             }
sl@0:         if(!aCharSetName.Compare(TPtrC8((const TText8*) LC_COLLATE_LocaleName)))
sl@0:         {
sl@0:             break;;
sl@0:         }
sl@0:         HBufC8*  stdInterName = conv->ConvertCharacterSetIdentifierToStandardNameL(charSetUID, fileSession);
sl@0:         if(NULL != stdInterName)
sl@0:         {
sl@0:             if(!stdInterName->Compare(TPtrC8((const TText8*) LC_COLLATE_LocaleName)))
sl@0:             {
sl@0:                 delete stdInterName;
sl@0:                 stdInterName = NULL;
sl@0:                 break;
sl@0:             }
sl@0:             
sl@0:             delete stdInterName;
sl@0:             stdInterName = NULL;
sl@0:         }
sl@0: 
sl@0: 	}
sl@0: 	if(!charSetUID)	
sl@0: 		{
sl@0: 				CleanupStack::PopAndDestroy(3); 
sl@0: 				return -1;
sl@0: 		}
sl@0: 
sl@0: 	TPtrC8 remainderOfForeignText((const TText8*) s1);
sl@0: 	TInt length = 0;
sl@0: 	while(remainderOfForeignText.Length() > 0)
sl@0: 	{
sl@0: 		TBuf16<300> unicodeText;
sl@0: 		TInt retVal = KErrNone;
sl@0: 					
sl@0: 		CCnvCharacterSetConverter::TAvailability  avail = conv->PrepareToConvertToOrFromL(charSetUID, fileSession);
sl@0: 		if(CCnvCharacterSetConverter::ENotAvailable == avail)
sl@0: 			{
sl@0: 				CleanupStack::PopAndDestroy(3); 
sl@0: 				return -1;
sl@0: 			}
sl@0: 					
sl@0: 			TInt state = CCnvCharacterSetConverter::KStateDefault;
sl@0: 			TInt aNumberOfUnconvertibleCharacters = 0;
sl@0: 			TInt aIndexOfFirstByteOfFirstUnconvertibleCharacter = 0;
sl@0: 
sl@0: 			retVal = conv->ConvertToUnicode(unicodeText, remainderOfForeignText, state, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter);
sl@0: 			length += unicodeText.Length();
sl@0: 			
sl@0: 			wcsncpy((wchar_t*)aUnicodeText, (wchar_t*) unicodeText.Ptr(), unicodeText.Length() );
sl@0: 			
sl@0: 			if(retVal < 0 && (retVal != CCnvCharacterSetConverter::EErrorIllFormedInput))
sl@0: 			{
sl@0: 				CleanupStack::PopAndDestroy(3); 
sl@0: 				return -1;
sl@0: 			}
sl@0: 					
sl@0: 			if(aNumberOfUnconvertibleCharacters)
sl@0: 			{
sl@0: 				
sl@0: 				CleanupStack::PopAndDestroy(3); 
sl@0: 				return -1;
sl@0: 			}
sl@0: 			
sl@0: 			if(retVal == CCnvCharacterSetConverter::EErrorIllFormedInput)
sl@0: 			{
sl@0: 				
sl@0: 				CleanupStack::PopAndDestroy(3); 
sl@0: 				return -1;
sl@0: 			}
sl@0: 			
sl@0: 			remainderOfForeignText.Set(remainderOfForeignText.Right(retVal));
sl@0: 
sl@0: 	}
sl@0: 	aUnicodeText[length] = '\0';
sl@0: 	CleanupStack::PopAndDestroy(3); 
sl@0: 	return 0;
sl@0: 
sl@0: }		
sl@0: 
sl@0: 
sl@0: