1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/persistentdata/persistentstorage/dbms/udbms/UD_TEXT.CPP Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,171 @@
1.4 +// Copyright (c) 1998-2009 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 +//
1.18 +
1.19 +#include "UD_STD.H"
1.20 +
1.21 +EXPORT_C TInt TTextOps::Compare(const TDesC8& aLeft,const TDesC8& aRight) const
1.22 + {
1.23 + return Compare(aLeft.Ptr(),aLeft.Length(),aRight.Ptr(),aRight.Length());
1.24 + }
1.25 +
1.26 +EXPORT_C TInt TTextOps::Match(const TText8* aPtr,TInt aLen,const TText8* aPatternPtr,TInt aPatternLen) const
1.27 + {
1.28 + return Match(TPtrC8(aPtr,aLen),TPtrC8(aPatternPtr,aPatternLen));
1.29 + }
1.30 +
1.31 +EXPORT_C TInt TTextOps::Find(const TDesC8& aDes,const TDesC8& aSub) const
1.32 + {
1.33 + return iFind8(aDes,aSub.Ptr(),aSub.Length());
1.34 + }
1.35 +
1.36 +EXPORT_C TInt TTextOps::Find(const TText8* aPtr,TInt aLen,const TText8* aSubPtr,TInt aSubLen) const
1.37 + {
1.38 + return iFind8(TPtrC8(aPtr,aLen),aSubPtr,aSubLen);
1.39 + }
1.40 +
1.41 +EXPORT_C TInt TTextOps::Compare(const TDesC16& aLeft,const TDesC16& aRight) const
1.42 + {
1.43 + return Compare(aLeft.Ptr(),aLeft.Length(),aRight.Ptr(),aRight.Length());
1.44 + }
1.45 +
1.46 +EXPORT_C TInt TTextOps::Match(const TText16* aPtr,TInt aLen,const TText16* aPatternPtr,TInt aPatternLen) const
1.47 + {
1.48 + return Match(TPtrC16(aPtr,aLen),TPtrC16(aPatternPtr,aPatternLen));
1.49 + }
1.50 +
1.51 +EXPORT_C TInt TTextOps::Find(const TDesC16& aDes,const TDesC16& aSub) const
1.52 + {
1.53 + return iFind16(aDes,aSub.Ptr(),aSub.Length());
1.54 + }
1.55 +
1.56 +EXPORT_C TInt TTextOps::Find(const TText16* aPtr,TInt aLen,const TText16* aSubPtr,TInt aSubLen) const
1.57 + {
1.58 + return iFind16(TPtrC16(aPtr,aLen),aSubPtr,aSubLen);
1.59 + }
1.60 +
1.61 +/**
1.62 +The method compares aLeft and aRight unicode strings.
1.63 +Collation level 3 will be used.
1.64 +@param aLeft Left string to compare.
1.65 +@param aRight Right string to compare.
1.66 +This method is used by sorting algorithms when the key field is a unciode string.
1.67 +@return Positive. if aLeft is greater than aRight.
1.68 + Negative. if aLeft is less than aRight.
1.69 + Zero, if aLeft is equal to aRight.
1.70 +*/
1.71 +TInt TTextOps::Order(const TDesC16& aLeft, const TDesC16& aRight) const
1.72 + {
1.73 + return Order(aLeft.Ptr(), aLeft.Length(), aRight.Ptr(), aRight.Length());
1.74 + }
1.75 +
1.76 +LOCAL_C TUint DoFold(TUint aChar)
1.77 + {
1.78 + return aChar;
1.79 + }
1.80 +
1.81 +LOCAL_C TInt DoMatch(const TDesC8& aDes,const TDesC8& aPattern)
1.82 + {
1.83 + return aDes.Match(aPattern);
1.84 + }
1.85 +
1.86 +LOCAL_C TInt DoMatchF(const TDesC8& aDes,const TDesC8& aPattern)
1.87 + {
1.88 + return aDes.MatchF(aPattern);
1.89 + }
1.90 +
1.91 +LOCAL_C TInt DoMatchC(const TDesC8& aDes,const TDesC8& aPattern)
1.92 + {
1.93 + return aDes.MatchC(aPattern);
1.94 + }
1.95 +
1.96 +LOCAL_C TInt DoFind(const TDesC8& aDes,const TText8* aSubPtr,TInt aSubLen)
1.97 + {
1.98 + return aDes.Find(aSubPtr,aSubLen);
1.99 + }
1.100 +
1.101 +LOCAL_C TInt DoFindF(const TDesC8& aDes,const TText8* aSubPtr,TInt aSubLen)
1.102 + {
1.103 + return aDes.FindF(aSubPtr,aSubLen);
1.104 + }
1.105 +
1.106 +LOCAL_C TInt DoFindC(const TDesC8& aDes,const TText8* aSubPtr,TInt aSubLen)
1.107 + {
1.108 + return aDes.FindC(aSubPtr,aSubLen);
1.109 + }
1.110 +
1.111 +LOCAL_C TInt DoMatch(const TDesC16& aDes,const TDesC16& aPattern)
1.112 + {
1.113 + return aDes.Match(aPattern);
1.114 + }
1.115 +
1.116 +LOCAL_C TInt DoMatchF(const TDesC16& aDes,const TDesC16& aPattern)
1.117 + {
1.118 + return aDes.MatchF(aPattern);
1.119 + }
1.120 +
1.121 +LOCAL_C TInt DoMatchC(const TDesC16& aDes,const TDesC16& aPattern)
1.122 + {
1.123 + return aDes.MatchC(aPattern);
1.124 + }
1.125 +
1.126 +LOCAL_C TInt DoFind(const TDesC16& aDes,const TText16* aSubPtr,TInt aSubLen)
1.127 + {
1.128 + return aDes.Find(aSubPtr,aSubLen);
1.129 + }
1.130 +
1.131 +LOCAL_C TInt DoFindF(const TDesC16& aDes,const TText16* aSubPtr,TInt aSubLen)
1.132 + {
1.133 + return aDes.FindF(aSubPtr,aSubLen);
1.134 + }
1.135 +
1.136 +LOCAL_C TInt DoFindC(const TDesC16& aDes,const TText16* aSubPtr,TInt aSubLen)
1.137 + {
1.138 + return aDes.FindC(aSubPtr,aSubLen,0);
1.139 + }
1.140 +
1.141 +LOCAL_C TInt DoCompareC(const TText16* aLeftPtr,TInt aLeftLen,const TText16* aRightPtr,TInt aRightLen)
1.142 + {
1.143 + return Mem::CompareC(aLeftPtr,aLeftLen,aRightPtr,aRightLen,0,NULL);
1.144 + }
1.145 +
1.146 +/**
1.147 +The method compares aLeftPtr and aRightPtr unicode strings.
1.148 +Collation level 3 will be used.
1.149 +@param aLeftPtr Left string to compare.
1.150 +@param aLeftLen The length of left string.
1.151 +@param aRightPtr Right string to compare.
1.152 +@param aRightLen The length of right string.
1.153 +This method is used by sorting algorithms when the key field is a unciode string.
1.154 +@return Positive. if aLeftPtr is greater than aRightPtr.
1.155 + Negative. if aLeftPtr is less than aRightPtr.
1.156 + Zero, if aLeftPtr is equal to aRightPtr.
1.157 +*/
1.158 +LOCAL_C TInt DoOrderC(const TText16* aLeftPtr, TInt aLeftLen, const TText16* aRightPtr, TInt aRightLen)
1.159 + {
1.160 + return Mem::CompareC(aLeftPtr, aLeftLen, aRightPtr, aRightLen);
1.161 + }
1.162 +
1.163 +LOCAL_D TTextOps const OpTable[3]=
1.164 + {
1.165 + //iFold iCompare8 iMatch8 iFind8 iCompare16 iMatch16 iFind16 iOrder16
1.166 + {&DoFold, &Mem::Compare, &DoMatch, &DoFind, &Mem::Compare, &DoMatch, &DoFind, &Mem::Compare}, //EDbCompareNormal
1.167 + {&User::Fold, &Mem::CompareF,&DoMatchF,&DoFindF,&Mem::CompareF,&DoMatchF,&DoFindF,&Mem::CompareF},//EDbCompareFolded
1.168 + {&User::Collate,&Mem::CompareC,&DoMatchC,&DoFindC,&DoCompareC, &DoMatchC,&DoFindC,&DoOrderC} //EDbCompareCollated
1.169 + };
1.170 +
1.171 +EXPORT_C const TTextOps& TTextOps::Ops(TDbTextComparison aType)
1.172 + {
1.173 + return OpTable[aType];
1.174 + }