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// Copyright (c) 1998-2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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// implementation for d32comp.h
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//
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//
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#include "UD_STD.H"
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#include "D32COMP.H"
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const TInt KCompareBufSize=0x200; // 0.5K
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// class Comp
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TInt Comp::Compare(TReal32 aLeft,TReal32 aRight) __SOFTFP
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{
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return aLeft<aRight ? -1 : aLeft!=aRight;
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}
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TInt Comp::Compare(TReal64 aLeft,TReal64 aRight) __SOFTFP
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{
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return aLeft<aRight ? -1 : aLeft!=aRight;
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}
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TInt Comp::Compare(const TInt64& aLeft,const TInt64& aRight)
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{
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return aLeft<aRight ? -1 : aLeft!=aRight;
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}
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TInt Comp::Compare8L(MStreamBuf& aBufL,MStreamBuf& aBufR,TInt aSize,const TTextOps& aTextOp)
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{
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const TInt KCompareBufLength=KCompareBufSize/sizeof(TText8);
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RReadStream left(&aBufL);
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RReadStream right(&aBufR);
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TText8 bufL[KCompareBufLength];
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TText8 bufR[KCompareBufLength];
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TInt read=KCompareBufLength;
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do
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{
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if (aSize<=read)
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read=aSize;
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left.ReadL(bufL,read);
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right.ReadL(bufR,read);
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TInt r=aTextOp.Compare(bufL,read,bufR,read);
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if (r!=0)
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return r;
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aSize-=KCompareBufLength;
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} while (aSize>0);
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return 0;
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}
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TInt Comp::Compare8L(MStreamBuf& aBuf,const TText8* aPtr,TInt aSize,const TTextOps& aTextOp)
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{
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const TInt KCompareBufLength=KCompareBufSize/sizeof(TText8);
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RReadStream strm(&aBuf);
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TText8 buf[KCompareBufLength];
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TInt read=KCompareBufLength;
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do
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{
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if (aSize<read)
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read=aSize;
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strm.ReadL(buf,read);
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TInt r=aTextOp.Compare(buf,read,aPtr,read);
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if (r!=0)
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return r;
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aPtr+=KCompareBufLength;
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aSize-=KCompareBufLength;
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} while (aSize>0);
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return 0;
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}
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TInt Comp::Compare8L(MStreamBuf& aBuf,TInt aSize,const TDesC8& aDes,const TTextOps& aTextOp)
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{
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const TText8* ptr=aDes.Ptr();
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TInt size=aDes.Length();
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TInt r=Compare8L(aBuf,ptr,Min(size,aSize),aTextOp);
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return r ? r : aSize-size;
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}
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TInt Comp::Compare16L(MStreamBuf& aBufL,MStreamBuf& aBufR,TInt aSize,const TTextOps& aTextOp)
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{
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aSize >>= 1;
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const TInt KCompareBufLength=KCompareBufSize/sizeof(TText16);
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RReadStream left(&aBufL);
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RReadStream right(&aBufR);
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TText16 bufL[KCompareBufLength];
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TText16 bufR[KCompareBufLength];
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TInt read=KCompareBufLength;
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do
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{
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if (aSize<=read)
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read=aSize;
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left.ReadL(bufL,read);
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right.ReadL(bufR,read);
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TInt r=aTextOp.Order(bufL,read,bufR,read);
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if (r!=0)
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return r;
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aSize-=KCompareBufLength;
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} while (aSize>0);
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return 0;
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}
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TInt Comp::Compare16L(MStreamBuf& aBuf,const TText16* aPtr,TInt aSize,const TTextOps& aTextOp)
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{
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aSize >>= 1;
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const TInt KCompareBufLength=KCompareBufSize/sizeof(TText16);
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RReadStream strm(&aBuf);
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TText16 buf[KCompareBufLength];
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TInt read=KCompareBufLength;
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do
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{
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if (aSize<read)
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read=aSize;
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strm.ReadL(buf,read);
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TInt r=aTextOp.Order(buf,read,aPtr,read);
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if (r!=0)
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return r;
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aPtr+=KCompareBufLength;
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aSize-=KCompareBufLength;
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} while (aSize>0);
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return 0;
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}
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static TInt DoCompare16L(MStreamBuf& aBuf,const TText16* aPtr,TInt aLen,const TTextOps& aTextOp)
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{
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const TInt KCompareBufLength=KCompareBufSize/sizeof(TText16);
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RReadStream strm(&aBuf);
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TText16 buf[KCompareBufLength];
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TInt read=KCompareBufLength;
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do
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{
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if (aLen<read)
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read=aLen;
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strm.ReadL(buf,read);
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TInt r=aTextOp.Compare(buf,read,aPtr,read);
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if (r!=0)
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return r;
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aPtr+=KCompareBufLength;
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aLen-=KCompareBufLength;
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} while (aLen>0);
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return 0;
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}
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TInt Comp::Compare16L(MStreamBuf& aBuf,TInt aSize,const TDesC16& aDes,const TTextOps& aTextOp)
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{
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const TText16* ptr=aDes.Ptr();
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TInt size=aDes.Length()<<1;
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TInt r=::DoCompare16L(aBuf,ptr,Min(size,aSize)>>1,aTextOp);
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return r ? r : aSize-size;
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}
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