1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/genericopenlibs/openenvcore/libc/src/strcoll.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,254 @@
1.4 +// Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Name : strcoll.cpp
1.18 +// Part of : MRT
1.19 +// Implementation for wcpcpy API
1.20 +// Version : 1.0
1.21 +//
1.22 +
1.23 +#include <stdlib.h>
1.24 +#include <string.h>
1.25 +#include <e32std.h>
1.26 +#include <charconv.h>
1.27 +#include <e32des16.h>
1.28 +#include <f32file.h>
1.29 +#include <wchar.h>
1.30 +#include <langinfo.h>
1.31 +#include <e32debug.h>
1.32 +#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
1.33 +#include <collate.h>
1.34 +#include "localeinfo.h"
1.35 +#endif
1.36 +
1.37 +#ifdef SYMBIAN_DISTINCT_LOCALE_MODEL
1.38 +#include <utf.h>
1.39 +#endif
1.40 +
1.41 +#if (defined(__SYMBIAN32__) && (defined(__WINSCW__) || defined(__WINS__)))
1.42 +#include "libc_wsd_defs.h"
1.43 +#endif
1.44 +
1.45 +
1.46 +#ifdef __SYMBIAN32__
1.47 +#define MAX_COL_LEVEL 1
1.48 +#endif
1.49 +
1.50 +#ifdef __cplusplus
1.51 +extern "C" {
1.52 +#endif
1.53 +
1.54 +#ifdef __SYMBIAN32__
1.55 + extern "C" char* LC_COLLATE_LocaleName[30];
1.56 +#ifdef EMULATOR
1.57 +
1.58 +char *GET_WSD_VAR_NAME(LC_COLLATE_LocaleName, g)();
1.59 +#define LC_COLLATE_LocaleName (GET_WSD_VAR_NAME(LC_COLLATE_LocaleName, g)())
1.60 +#endif //EMULATOR
1.61 +
1.62 +#endif //__SYMBIAN32__
1.63 +
1.64 +#ifdef __cplusplus
1.65 +}
1.66 +#endif
1.67 +
1.68 +static int DoConvertionToUnicode(const char* s1, TUint16* aUnicodeText);
1.69 +
1.70 +EXPORT_C
1.71 +int strcoll(const char *s1, const char *s2)
1.72 +{
1.73 +#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
1.74 + TInt retVal;
1.75 + char *ret=NULL;
1.76 +#endif
1.77 + if((strcmp("C",(const char*) LC_COLLATE_LocaleName)==0) ||(strcmp("POSIX", (const char*) LC_COLLATE_LocaleName)==0))
1.78 + return strcmp (s1,s2);
1.79 + else
1.80 + {
1.81 + TUint16* text1 = new TText16[strlen(s1) + 1];
1.82 + TUint16* text2 = new TText16[strlen(s2 ) + 1];
1.83 +
1.84 + if((DoConvertionToUnicode(s1, text1) == -1) || (DoConvertionToUnicode(s2, text2) == -1))
1.85 + {
1.86 + delete [] text1;
1.87 + delete [] text2;
1.88 + return -1;
1.89 + }
1.90 +
1.91 + const TPtrC leftString((TText*) text1);
1.92 + const TPtrC rightString((TText*) text2);
1.93 +
1.94 + TInt left = leftString.Length();
1.95 + TInt right = rightString.Length();
1.96 +#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
1.97 + ret=(char*)LC_COLLATE_LocaleName;
1.98 + if(*ret==NULL)
1.99 + {
1.100 +#endif
1.101 +#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
1.102 + retVal = Mem :: CompareC(text1,left,text2,right, MAX_COL_LEVEL,NULL);
1.103 +#else
1.104 + TInt retVal = Mem :: CompareC(text1,left,text2,right, MAX_COL_LEVEL,NULL);
1.105 +#endif
1.106 +#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
1.107 + }
1.108 + else
1.109 + {
1.110 + CLocale* loc = CLocale::GetInstance();
1.111 + TExtendedLocale elocale;
1.112 + const TText* text;
1.113 +
1.114 + #ifdef SYMBIAN_DISTINCT_LOCALE_MODEL
1.115 + text = loc->GetCollateLocaleName();
1.116 + TPtrC localenew(text);
1.117 + retVal = elocale.LoadLocaleAspect(localenew);
1.118 + if ( retVal == KErrNotFound ) // load old collate dll
1.119 + {
1.120 + text = loc->GetLocaleName();
1.121 + TPtrC locale(text);
1.122 + retVal = elocale.LoadLocaleAspect(ELocaleCollateSetting,locale);
1.123 + }
1.124 + #else
1.125 + text = loc->GetLocaleName();
1.126 + TPtrC locale(text);
1.127 + retVal = elocale.LoadLocaleAspect(ELocaleCollateSetting,locale);
1.128 + #endif
1.129 + if( retVal == KErrNone )
1.130 + {
1.131 + TCollationMethod chmethod=elocale.GetPreferredCollationMethod(0);
1.132 + retVal = Mem :: CompareC(text1,left,text2,right, MAX_COL_LEVEL,&chmethod);
1.133 + }
1.134 + }
1.135 +#endif
1.136 + delete [] text1;
1.137 + delete [] text2;
1.138 + return retVal;
1.139 + }
1.140 +
1.141 +}
1.142 +
1.143 +static int DoConvertionToUnicode( const char* s1, TUint16* aUnicodeText)
1.144 +{
1.145 +
1.146 + TInt r = KErrNone;
1.147 + RFs fileSession;
1.148 + r = fileSession.Connect();
1.149 + if (r != KErrNone)
1.150 + {
1.151 + return r;
1.152 + }
1.153 + CleanupClosePushL(fileSession);
1.154 +
1.155 + CCnvCharacterSetConverter* conv = CCnvCharacterSetConverter::NewL() ;
1.156 + CleanupStack::PushL(conv);
1.157 +
1.158 + CArrayFix<CCnvCharacterSetConverter::SCharacterSet> *charSet = CCnvCharacterSetConverter::CreateArrayOfCharacterSetsAvailableL(fileSession);
1.159 + CleanupStack::PushL( charSet );
1.160 +
1.161 + TInt i = 0;
1.162 + TInt count = charSet->Count();
1.163 + TUint charSetUID = 0 ;
1.164 + while(i < count)
1.165 + {
1.166 + CCnvCharacterSetConverter::SCharacterSet characterSet = charSet->At(i);
1.167 + i++;
1.168 + charSetUID = characterSet.Identifier();
1.169 + // const TBufC<25> charSetName = characterSet.NameIsFileName()?TParsePtrC(characterSet.Name()).Name():characterSet.Name();
1.170 + const TBufC<50> charSetName = characterSet.NameIsFileName()?TParsePtrC(characterSet.Name()).Name():characterSet.Name();
1.171 + const int CHAR_SET_NAME_SIZE = 100; //worst case size
1.172 + TBuf8<CHAR_SET_NAME_SIZE> aCharSetName;
1.173 + // if(wcstombs((char *)aCharSetName.Ptr(),(wchar_t*)(const_cast<TBufC<25>*>(&charSetName))->Des().PtrZ(),CHAR_SET_NAME_SIZE) == (size_t)-1)
1.174 + if(wcstombs((char *)aCharSetName.Ptr(),(wchar_t*)(const_cast<TBufC<50>*>(&charSetName))->Des().PtrZ(),CHAR_SET_NAME_SIZE) == (size_t)-1)
1.175 + {
1.176 + CleanupStack::PopAndDestroy(3);
1.177 + return -1;
1.178 + }
1.179 + if(!aCharSetName.Compare(TPtrC8((const TText8*) LC_COLLATE_LocaleName)))
1.180 + {
1.181 + break;;
1.182 + }
1.183 + HBufC8* stdInterName = conv->ConvertCharacterSetIdentifierToStandardNameL(charSetUID, fileSession);
1.184 + if(NULL != stdInterName)
1.185 + {
1.186 + if(!stdInterName->Compare(TPtrC8((const TText8*) LC_COLLATE_LocaleName)))
1.187 + {
1.188 + delete stdInterName;
1.189 + stdInterName = NULL;
1.190 + break;
1.191 + }
1.192 +
1.193 + delete stdInterName;
1.194 + stdInterName = NULL;
1.195 + }
1.196 +
1.197 + }
1.198 + if(!charSetUID)
1.199 + {
1.200 + CleanupStack::PopAndDestroy(3);
1.201 + return -1;
1.202 + }
1.203 +
1.204 + TPtrC8 remainderOfForeignText((const TText8*) s1);
1.205 + TInt length = 0;
1.206 + while(remainderOfForeignText.Length() > 0)
1.207 + {
1.208 + TBuf16<300> unicodeText;
1.209 + TInt retVal = KErrNone;
1.210 +
1.211 + CCnvCharacterSetConverter::TAvailability avail = conv->PrepareToConvertToOrFromL(charSetUID, fileSession);
1.212 + if(CCnvCharacterSetConverter::ENotAvailable == avail)
1.213 + {
1.214 + CleanupStack::PopAndDestroy(3);
1.215 + return -1;
1.216 + }
1.217 +
1.218 + TInt state = CCnvCharacterSetConverter::KStateDefault;
1.219 + TInt aNumberOfUnconvertibleCharacters = 0;
1.220 + TInt aIndexOfFirstByteOfFirstUnconvertibleCharacter = 0;
1.221 +
1.222 + retVal = conv->ConvertToUnicode(unicodeText, remainderOfForeignText, state, aNumberOfUnconvertibleCharacters, aIndexOfFirstByteOfFirstUnconvertibleCharacter);
1.223 + length += unicodeText.Length();
1.224 +
1.225 + wcsncpy((wchar_t*)aUnicodeText, (wchar_t*) unicodeText.Ptr(), unicodeText.Length() );
1.226 +
1.227 + if(retVal < 0 && (retVal != CCnvCharacterSetConverter::EErrorIllFormedInput))
1.228 + {
1.229 + CleanupStack::PopAndDestroy(3);
1.230 + return -1;
1.231 + }
1.232 +
1.233 + if(aNumberOfUnconvertibleCharacters)
1.234 + {
1.235 +
1.236 + CleanupStack::PopAndDestroy(3);
1.237 + return -1;
1.238 + }
1.239 +
1.240 + if(retVal == CCnvCharacterSetConverter::EErrorIllFormedInput)
1.241 + {
1.242 +
1.243 + CleanupStack::PopAndDestroy(3);
1.244 + return -1;
1.245 + }
1.246 +
1.247 + remainderOfForeignText.Set(remainderOfForeignText.Right(retVal));
1.248 +
1.249 + }
1.250 + aUnicodeText[length] = '\0';
1.251 + CleanupStack::PopAndDestroy(3);
1.252 + return 0;
1.253 +
1.254 +}
1.255 +
1.256 +
1.257 +