| author | Pat Downey <patd@symbian.org> |
| Wed, 01 Sep 2010 12:34:56 +0100 | |
| branch | RCL_3 |
| changeset 44 | 3e88ff8f41d5 |
| parent 39 | 2bb754abd467 |
| permissions | -rw-r--r-- |
| 0 | 1 |
// 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 the License "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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// e32\common\array.cpp |
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// |
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// |
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#include "common.h" |
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#ifdef __KERNEL_MODE__ |
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#include <kernel/kernel.h> |
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#endif |
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||
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const TInt KDefaultPtrArrayGranularity =8; |
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const TInt KPtrArrayMaxGranularity =0x10000000; |
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const TInt KDefaultSimpleArrayGranularity =8; |
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const TInt KSimpleArrayMaxGranularity =0x10000000; |
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const TInt KSimpleArrayMaxEntrySize =640; // allow room for a unicode TFullName |
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const TInt KMaxArrayGrowBy =65535; |
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const TInt KMinArrayFactor =257; |
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const TInt KMaxArrayFactor =32767; |
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||
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EXPORT_C RPointerArrayBase::RPointerArrayBase() |
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: iCount(0), iEntries(NULL), iAllocated(0), iGranularity(KDefaultPtrArrayGranularity), iSpare1(0), iSpare2(0) |
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{}
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||
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EXPORT_C RPointerArrayBase::RPointerArrayBase(TInt aGranularity) |
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: iCount(0), iEntries(NULL), iAllocated(0), iGranularity(aGranularity), iSpare1(0), iSpare2(0) |
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{
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__ASSERT_ALWAYS(aGranularity>0 && aGranularity<=KPtrArrayMaxGranularity, |
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Panic(EBadArrayGranularity)); |
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} |
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||
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EXPORT_C RPointerArrayBase::RPointerArrayBase(TInt aMinGrowBy, TInt aFactor) |
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: iCount(0), iEntries(NULL), iAllocated(0), iSpare1(0), iSpare2(0) |
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{
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__ASSERT_ALWAYS(aMinGrowBy>0 && aMinGrowBy<=KMaxArrayGrowBy, Panic(EBadArrayMinGrowBy)); |
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__ASSERT_ALWAYS(aFactor>=KMinArrayFactor && aFactor<=KMaxArrayFactor, Panic(EBadArrayFactor)); |
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iGranularity = aMinGrowBy | (aFactor << 16) | 0x80000000; |
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} |
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#ifndef __KERNEL_MODE__ |
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EXPORT_C RPointerArrayBase::RPointerArrayBase(TAny** aEntries, TInt aCount) |
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: iCount(aCount), iEntries(aEntries), iAllocated(aCount), iGranularity(aCount), iSpare1(0), iSpare2(0) |
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{
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__ASSERT_ALWAYS(aCount>0,Panic(EBadArrayCount)); |
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} |
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#endif |
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EXPORT_C void RPointerArrayBase::Close() |
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{
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iCount=0; |
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STD_CLASS::Free(iEntries); |
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iEntries=NULL; |
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iAllocated=0; |
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} |
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||
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EXPORT_C TInt RPointerArrayBase::Count() const |
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{
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return iCount; |
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} |
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#ifndef __ARRAY_MACHINE_CODED__ |
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EXPORT_C TAny*& RPointerArrayBase::At(TInt anIndex) const |
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{
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__ASSERT_ALWAYS((anIndex>=0 && anIndex<iCount),Panic(EBadArrayIndex)); |
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return iEntries[anIndex]; |
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} |
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#else |
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GLDEF_C void PanicBadArrayIndex() |
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{
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Panic(EBadArrayIndex); |
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} |
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#endif |
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TInt CalculateArraySizeAfterGrow(TInt aOrigSize, TInt aGranularity, TInt aLimit) |
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{
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if (aGranularity >= 0) |
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{
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if (aOrigSize > aLimit - aGranularity) |
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return KErrNoMemory; // array can't be >2GB |
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return aOrigSize + aGranularity; |
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} |
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TUint minStep = (TUint)(aGranularity & 65535); |
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TUint factor = TUint(aGranularity & 0x7fff0000) >> 16; |
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Uint64 na64 = aOrigSize; |
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na64 *= (Uint64)factor; |
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na64 += 128; |
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na64 >>= 8; |
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Uint64 min_na64 = (Uint64)aOrigSize + (Uint64)minStep; |
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if (min_na64 > na64) |
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na64 = min_na64; |
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if (na64 > (Uint64)aLimit) |
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return KErrNoMemory; // array can't be >2GB |
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return (TInt)na64; |
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} |
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TInt CalculateArraySizeAfterShrink(TInt aOrigSize, TInt aGranularity, TInt aUsed) |
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{
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TInt step = aGranularity; |
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if (step < 0) |
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step &= 65535; |
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if (aOrigSize - aUsed < step) |
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return aOrigSize; |
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aUsed += step - 1; |
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aUsed /= step; |
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aUsed *= step; |
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return aUsed; |
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} |
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TInt RPointerArrayBase::Grow() |
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{
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TInt newAlloc = CalculateArraySizeAfterGrow(iAllocated, iGranularity, KMaxTInt >> 2); |
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if (newAlloc < 0) |
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return newAlloc; |
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TAny** pA = (TAny**)STD_CLASS::ReAlloc(iEntries, newAlloc*sizeof(TAny*)); |
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if (!pA) |
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return KErrNoMemory; |
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iEntries = pA; |
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iAllocated = newAlloc; |
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return KErrNone; |
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} |
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#ifndef __ARRAY_MACHINE_CODED__ |
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EXPORT_C TInt RPointerArrayBase::Append(const TAny* anEntry) |
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{
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if (iCount==iAllocated) |
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{
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TInt r=Grow(); |
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if (r!=KErrNone) |
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return r; |
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} |
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iEntries[iCount++]=(TAny*)anEntry; |
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return KErrNone; |
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} |
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#endif |
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EXPORT_C TInt RPointerArrayBase::Insert(const TAny* anEntry, TInt aPos) |
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{
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__ASSERT_ALWAYS((aPos>=0 && aPos<=iCount),Panic(EBadArrayPosition)); |
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if (iCount==iAllocated) |
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{
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TInt r=Grow(); |
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if (r!=KErrNone) |
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return r; |
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} |
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TInt entries=iCount-aPos; |
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if (entries!=0) |
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wordmove(iEntries+aPos+1,iEntries+aPos,entries*sizeof(TAny*)); |
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iCount++; |
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iEntries[aPos]=(TAny*)anEntry; |
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return KErrNone; |
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} |
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EXPORT_C void RPointerArrayBase::Remove(TInt anIndex) |
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{
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__ASSERT_ALWAYS((anIndex>=0 && anIndex<iCount),Panic(EBadArrayIndex)); |
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TInt entries=iCount-anIndex-1; |
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if (entries!=0) |
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wordmove(iEntries+anIndex,iEntries+anIndex+1,entries*sizeof(TAny*)); |
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iCount--; |
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} |
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EXPORT_C void RPointerArrayBase::Compress() |
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{
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if (iCount) |
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iEntries=(TAny**)STD_CLASS::ReAlloc(iEntries,iCount*sizeof(TAny*)); // can't fail |
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else |
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{
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STD_CLASS::Free(iEntries); |
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iEntries=NULL; |
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} |
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iAllocated=iCount; |
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} |
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#ifndef __KERNEL_MODE__ |
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EXPORT_C void RPointerArrayBase::GranularCompress() |
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{
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TInt newAlloc = CalculateArraySizeAfterShrink(iAllocated, iGranularity, iCount); |
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if (newAlloc == iAllocated) |
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return; |
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if (newAlloc) |
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iEntries=(TAny**)STD_CLASS::ReAlloc(iEntries,newAlloc*sizeof(TAny*)); // can't fail |
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else |
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{
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STD_CLASS::Free(iEntries); |
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iEntries=NULL; |
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} |
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iAllocated=newAlloc; |
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} |
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EXPORT_C TInt RPointerArrayBase::DoReserve(TInt aCount) |
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{
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__ASSERT_ALWAYS(aCount>=0, Panic(EArrayBadReserveCount)); |
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if (aCount <= iAllocated) |
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return KErrNone; // if allocated space is already sufficient, nothing to do |
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const TInt KLimit = TInt(0x80000000u / sizeof(TAny*)); |
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if (aCount >= KLimit) |
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return KErrNoMemory; |
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TAny** pA = (TAny**)STD_CLASS::ReAlloc(iEntries, aCount*sizeof(TAny*)); |
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if (!pA) |
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return KErrNoMemory; |
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iEntries = pA; |
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iAllocated = aCount; |
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return KErrNone; |
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} |
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#endif |
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EXPORT_C void RPointerArrayBase::Reset() |
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{
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iCount=0; |
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STD_CLASS::Free(iEntries); |
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iEntries=NULL; |
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iAllocated=0; |
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} |
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EXPORT_C TInt RPointerArrayBase::BinarySearch(const TAny* anEntry, TInt& anIndex, TGeneralLinearOrder anOrder) const |
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{
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return BinarySearch(anEntry, anIndex, anOrder, EArrayFindMode_Any); |
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} |
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#ifndef __ARRAY_MACHINE_CODED__ |
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EXPORT_C TInt RPointerArrayBase::Find(const TAny* anEntry) const |
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{
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TInt i; |
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for (i=0; i<iCount; i++) |
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{
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if (iEntries[i]==anEntry) |
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return i; |
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} |
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return KErrNotFound; |
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} |
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EXPORT_C TInt RPointerArrayBase::Find(const TAny* anEntry, TGeneralIdentityRelation anIdentity) const |
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{
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TInt i; |
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for (i=0; i<iCount; i++) |
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{
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if ((*anIdentity)(anEntry,iEntries[i])) |
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return i; |
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} |
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return KErrNotFound; |
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} |
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EXPORT_C TInt RPointerArrayBase::BinarySearchSigned(TInt anEntry, TInt& anIndex) const |
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{
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return BinarySearchSigned(anEntry, anIndex, EArrayFindMode_Any); |
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} |
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EXPORT_C TInt RPointerArrayBase::BinarySearchSigned(TInt anEntry, TInt& anIndex, TInt aMode) const |
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{
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__ASSERT_DEBUG(TUint(aMode)<TUint(EArrayFindMode_Limit), Panic(EBadArrayFindMode)); |
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TInt l=0; |
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TInt r=iCount; |
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TInt ret = KErrNotFound; |
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while(r>l) |
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{
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TInt m=(l+r)>>1; |
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TInt h=(TInt)iEntries[m]; |
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if (anEntry==h) |
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{
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if (aMode == EArrayFindMode_Any) |
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{
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anIndex=m; |
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return KErrNone; |
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} |
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ret = KErrNone; |
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if (aMode == EArrayFindMode_First) |
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r=m; |
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else |
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l=m+1; |
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} |
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else if (anEntry>h) |
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l=m+1; |
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else |
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r=m; |
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} |
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anIndex=r; |
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return ret; |
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} |
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EXPORT_C TInt RPointerArrayBase::BinarySearchUnsigned(TUint anEntry, TInt& anIndex) const |
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{
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return BinarySearchUnsigned(anEntry, anIndex, EArrayFindMode_Any); |
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} |
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EXPORT_C TInt RPointerArrayBase::BinarySearchUnsigned(TUint anEntry, TInt& anIndex, TInt aMode) const |
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{
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__ASSERT_DEBUG(TUint(aMode)<TUint(EArrayFindMode_Limit), Panic(EBadArrayFindMode)); |
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TInt l=0; |
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TInt r=iCount; |
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TInt ret = KErrNotFound; |
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while(r>l) |
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{
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TUint m=(l+r)>>1; |
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TUint h=(TUint)iEntries[m]; |
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if (anEntry==h) |
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{
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if (aMode == EArrayFindMode_Any) |
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{
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anIndex=m; |
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return KErrNone; |
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} |
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ret = KErrNone; |
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if (aMode == EArrayFindMode_First) |
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r=m; |
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else |
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l=m+1; |
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} |
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else if (anEntry>h) |
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l=m+1; |
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else |
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r=m; |
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} |
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anIndex=r; |
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return ret; |
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} |
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EXPORT_C TInt RPointerArrayBase::BinarySearch(const TAny* anEntry, TInt& anIndex, TGeneralLinearOrder anOrder, TInt aMode) const |
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{
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__ASSERT_DEBUG(TUint(aMode)<TUint(EArrayFindMode_Limit), Panic(EBadArrayFindMode)); |
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TInt l=0; |
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TInt r=iCount; |
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TInt ret = KErrNotFound; |
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while(r>l) |
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{
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TInt m=(l+r)>>1; |
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TInt k=(*anOrder)(anEntry,iEntries[m]); |
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if (k==0) |
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{
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if (aMode == EArrayFindMode_Any) |
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{
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anIndex=m; |
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return KErrNone; |
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} |
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ret = KErrNone; |
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if (aMode == EArrayFindMode_First) |
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r=m; |
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else |
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l=m+1; |
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} |
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else if (k>0) |
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l=m+1; |
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else |
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r=m; |
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} |
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anIndex=r; |
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return ret; |
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} |
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EXPORT_C TInt RPointerArrayBase::FindIsqSigned(TInt anEntry) const |
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{
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return FindIsqSigned(anEntry, EArrayFindMode_Any); |
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} |
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EXPORT_C TInt RPointerArrayBase::FindIsqUnsigned(TUint anEntry) const |
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{
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return FindIsqUnsigned(anEntry, EArrayFindMode_Any); |
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} |
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EXPORT_C TInt RPointerArrayBase::FindIsq(const TAny* anEntry, TGeneralLinearOrder anOrder) const |
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{
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return FindIsq(anEntry, anOrder, EArrayFindMode_Any); |
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} |
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EXPORT_C TInt RPointerArrayBase::FindIsqSigned(TInt anEntry, TInt aMode) const |
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{
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TInt i; |
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TInt r=BinarySearchSigned(anEntry,i,aMode); |
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return (r==KErrNone)?i:r; |
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} |
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EXPORT_C TInt RPointerArrayBase::FindIsqUnsigned(TUint anEntry, TInt aMode) const |
|
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{
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TInt i; |
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TInt r=BinarySearchUnsigned(anEntry,i,aMode); |
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return (r==KErrNone)?i:r; |
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} |
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EXPORT_C TInt RPointerArrayBase::FindIsq(const TAny* anEntry, TGeneralLinearOrder anOrder, TInt aMode) const |
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{
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TInt i; |
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TInt r=BinarySearch(anEntry,i,anOrder,aMode); |
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return (r==KErrNone)?i:r; |
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} |
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#else |
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extern "C" void PanicBadArrayFindMode() |
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{
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Panic(EBadArrayFindMode); |
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} |
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#endif |
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||
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EXPORT_C TInt RPointerArrayBase::FindReverse(const TAny* anEntry) const |
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{
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TInt i=iCount; |
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while (i--) |
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{
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if (iEntries[i]==anEntry) |
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return i; |
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} |
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return KErrNotFound; |
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} |
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EXPORT_C TInt RPointerArrayBase::FindReverse(const TAny* anEntry, TGeneralIdentityRelation anIdentity) const |
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{
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TInt i=iCount; |
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while (i--) |
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420 |
{
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if ((*anIdentity)(anEntry,iEntries[i])) |
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return i; |
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} |
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return KErrNotFound; |
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} |
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||
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EXPORT_C TInt RPointerArrayBase::InsertIsqSigned(TInt anEntry, TBool aAllowRepeats) |
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{
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TInt i; |
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TInt mode = aAllowRepeats ? EArrayFindMode_Last : EArrayFindMode_Any; |
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TInt r=BinarySearchSigned(anEntry,i,mode); |
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if (r==KErrNotFound || aAllowRepeats) |
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return Insert((const TAny*)anEntry,i); |
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return KErrAlreadyExists; |
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} |
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EXPORT_C TInt RPointerArrayBase::InsertIsqUnsigned(TUint anEntry, TBool aAllowRepeats) |
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{
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TInt i; |
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TInt mode = aAllowRepeats ? EArrayFindMode_Last : EArrayFindMode_Any; |
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TInt r=BinarySearchUnsigned(anEntry,i,mode); |
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if (r==KErrNotFound || aAllowRepeats) |
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return Insert((const TAny*)anEntry,i); |
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return KErrAlreadyExists; |
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} |
|
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||
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EXPORT_C TInt RPointerArrayBase::InsertIsq(const TAny* anEntry, TGeneralLinearOrder anOrder, TBool aAllowRepeats) |
|
449 |
{
|
|
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TInt i; |
|
451 |
TInt mode = aAllowRepeats ? EArrayFindMode_Last : EArrayFindMode_Any; |
|
452 |
TInt r=BinarySearch(anEntry,i,anOrder,mode); |
|
453 |
if (r==KErrNotFound || aAllowRepeats) |
|
454 |
return Insert((const TAny*)anEntry,i); |
|
455 |
return KErrAlreadyExists; |
|
456 |
} |
|
457 |
||
458 |
#ifndef __ARRAY_MACHINE_CODED__ |
|
459 |
void HeapSortUnsigned(TUint* aEntries,TInt aCount) |
|
460 |
{
|
|
461 |
TInt ss = aCount; |
|
462 |
if (ss>1) |
|
463 |
{
|
|
464 |
TInt sh = ss>>1; |
|
465 |
FOREVER |
|
466 |
{
|
|
467 |
TUint si; |
|
468 |
if (sh!=0) |
|
469 |
{
|
|
470 |
--sh; |
|
471 |
si = aEntries[sh]; |
|
472 |
} |
|
473 |
else |
|
474 |
{
|
|
475 |
--ss; |
|
476 |
si = aEntries[ss]; |
|
477 |
aEntries[ss]=aEntries[0]; |
|
478 |
if (ss==1) |
|
479 |
{
|
|
480 |
aEntries[0]=si; |
|
481 |
break; |
|
482 |
} |
|
483 |
} |
|
484 |
TInt ii = sh; |
|
485 |
TInt jj = sh; |
|
486 |
FOREVER |
|
487 |
{
|
|
488 |
jj = (jj+1)<<1; |
|
489 |
if (jj>=ss || TUint(aEntries[jj-1])>TUint(aEntries[jj]) ) |
|
490 |
--jj; |
|
491 |
if (jj>=ss || TUint(aEntries[jj])<=si) |
|
492 |
break; |
|
493 |
aEntries[ii]=aEntries[jj]; |
|
494 |
ii = jj; |
|
495 |
} |
|
496 |
aEntries[ii]=si; |
|
497 |
} |
|
498 |
} |
|
499 |
} |
|
500 |
#endif // !__ARRAY_MACHINE_CODED__ |
|
501 |
||
502 |
||
503 |
#ifndef __KERNEL_MODE__ |
|
504 |
#ifndef __ARRAY_MACHINE_CODED__ |
|
505 |
EXPORT_C void RPointerArrayBase::HeapSortSigned() |
|
506 |
{
|
|
507 |
TInt ss = iCount; |
|
508 |
if (ss>1) |
|
509 |
{
|
|
510 |
TInt sh = ss>>1; |
|
511 |
FOREVER |
|
512 |
{
|
|
513 |
TInt si; |
|
514 |
if (sh!=0) |
|
515 |
{
|
|
516 |
--sh; |
|
517 |
si = (TInt)iEntries[sh]; |
|
518 |
} |
|
519 |
else |
|
520 |
{
|
|
521 |
--ss; |
|
522 |
si = (TInt)iEntries[ss]; |
|
523 |
iEntries[ss]=iEntries[0]; |
|
524 |
if (ss==1) |
|
525 |
{
|
|
526 |
iEntries[0]=(TAny*)si; |
|
527 |
break; |
|
528 |
} |
|
529 |
} |
|
530 |
TInt ii = sh; |
|
531 |
TInt jj = sh; |
|
532 |
FOREVER |
|
533 |
{
|
|
534 |
jj = (jj+1)<<1; |
|
535 |
if (jj>=ss || TInt(iEntries[jj-1])>TInt(iEntries[jj]) ) |
|
536 |
--jj; |
|
537 |
if (jj>=ss || TInt(iEntries[jj])<=si) |
|
538 |
break; |
|
539 |
iEntries[ii]=iEntries[jj]; |
|
540 |
ii = jj; |
|
541 |
} |
|
542 |
iEntries[ii]=(TAny*)si; |
|
543 |
} |
|
544 |
} |
|
545 |
} |
|
546 |
||
547 |
EXPORT_C void RPointerArrayBase::HeapSortUnsigned() |
|
548 |
{
|
|
549 |
::HeapSortUnsigned((TUint*)iEntries,iCount); |
|
550 |
} |
|
551 |
||
552 |
EXPORT_C void RPointerArrayBase::HeapSort(TGeneralLinearOrder anOrder) |
|
553 |
{
|
|
554 |
TInt ss = iCount; |
|
555 |
if (ss>1) |
|
556 |
{
|
|
557 |
TInt sh = ss>>1; |
|
558 |
FOREVER |
|
559 |
{
|
|
560 |
TAny* si; |
|
561 |
if (sh!=0) |
|
562 |
{
|
|
563 |
--sh; |
|
564 |
si = iEntries[sh]; |
|
565 |
} |
|
566 |
else |
|
567 |
{
|
|
568 |
--ss; |
|
569 |
si = iEntries[ss]; |
|
570 |
iEntries[ss]=iEntries[0]; |
|
571 |
if (ss==1) |
|
572 |
{
|
|
573 |
iEntries[0]=si; |
|
574 |
break; |
|
575 |
} |
|
576 |
} |
|
577 |
TInt ii = sh; |
|
578 |
TInt jj = sh; |
|
579 |
FOREVER |
|
580 |
{
|
|
581 |
jj = (jj+1)<<1; |
|
582 |
if (jj>=ss || (*anOrder)(iEntries[jj-1],iEntries[jj])>0 ) |
|
583 |
--jj; |
|
584 |
if (jj>=ss || (*anOrder)(iEntries[jj],si)<=0 ) |
|
585 |
break; |
|
586 |
iEntries[ii]=iEntries[jj]; |
|
587 |
ii = jj; |
|
588 |
} |
|
589 |
iEntries[ii]=si; |
|
590 |
} |
|
591 |
} |
|
592 |
} |
|
593 |
#endif |
|
594 |
||
595 |
EXPORT_C TInt RPointerArrayBase::GetCount(const CBase* aPtr) |
|
596 |
{
|
|
597 |
return ((RPointerArrayBase*)aPtr)->Count(); |
|
598 |
} |
|
599 |
||
600 |
EXPORT_C const TAny* RPointerArrayBase::GetElementPtr(const CBase* aPtr, TInt aIndex) |
|
601 |
{
|
|
602 |
return &(((RPointerArrayBase*)aPtr)->At(aIndex)); |
|
603 |
} |
|
604 |
#endif // __KERNEL_MODE__ |
|
605 |
||
606 |
EXPORT_C RArrayBase::RArrayBase(TInt anEntrySize) |
|
607 |
: iCount(0), iEntries(NULL), iKeyOffset(0), iAllocated(0), |
|
608 |
iGranularity(KDefaultSimpleArrayGranularity), iSpare1(0), iSpare2(0) |
|
609 |
{
|
|
610 |
__ASSERT_ALWAYS(anEntrySize>0 && anEntrySize<=KSimpleArrayMaxEntrySize,Panic(EBadArrayEntrySize)); |
|
611 |
iEntrySize=(anEntrySize+(TInt)sizeof(TInt)-1)&~((TInt)sizeof(TInt)-1); |
|
612 |
} |
|
613 |
||
614 |
EXPORT_C RArrayBase::RArrayBase(TInt anEntrySize, TInt aGranularity) |
|
615 |
: iCount(0), iEntries(NULL), iKeyOffset(0), iAllocated(0), |
|
616 |
iGranularity(aGranularity), iSpare1(0), iSpare2(0) |
|
617 |
{
|
|
618 |
__ASSERT_ALWAYS(anEntrySize>0 && anEntrySize<=KSimpleArrayMaxEntrySize,Panic(EBadArrayEntrySize)); |
|
619 |
__ASSERT_ALWAYS(aGranularity>0 && (aGranularity*anEntrySize)<=KSimpleArrayMaxGranularity, Panic(EBadArrayGranularity)); |
|
620 |
iEntrySize=(anEntrySize+(TInt)sizeof(TInt)-1)&~((TInt)sizeof(TInt)-1); |
|
621 |
} |
|
622 |
||
623 |
EXPORT_C RArrayBase::RArrayBase(TInt aEntrySize,TAny* aEntries, TInt aCount) |
|
624 |
: iCount(aCount), iEntries(aEntries), iKeyOffset(0), iAllocated(aCount), |
|
625 |
iGranularity(KDefaultSimpleArrayGranularity), iSpare1(0), iSpare2(0) |
|
626 |
{
|
|
627 |
__ASSERT_ALWAYS(aEntrySize>0 && aEntrySize<=KSimpleArrayMaxEntrySize,Panic(EBadArrayEntrySize)); |
|
628 |
__ASSERT_ALWAYS(aCount>0,Panic(EBadArrayCount)); |
|
629 |
iEntrySize=(aEntrySize+(TInt)sizeof(TInt)-1)&~((TInt)sizeof(TInt)-1); |
|
630 |
} |
|
631 |
||
632 |
EXPORT_C RArrayBase::RArrayBase(TInt anEntrySize, TInt aGranularity, TInt aKeyOffset) |
|
633 |
: iCount(0), iEntries(NULL), iKeyOffset(aKeyOffset), iAllocated(0), |
|
634 |
iGranularity(aGranularity), iSpare1(0), iSpare2(0) |
|
635 |
{
|
|
636 |
__ASSERT_ALWAYS(anEntrySize>0 && anEntrySize<=KSimpleArrayMaxEntrySize,Panic(EBadArrayEntrySize)); |
|
637 |
__ASSERT_ALWAYS(aGranularity>0 && (aGranularity*anEntrySize)<=KSimpleArrayMaxGranularity, Panic(EBadArrayGranularity)); |
|
638 |
__ASSERT_ALWAYS(aKeyOffset>=0 && (aKeyOffset&3)==0 && aKeyOffset<anEntrySize, Panic(EBadArrayKeyOffset)); |
|
639 |
iEntrySize=(anEntrySize+(TInt)sizeof(TInt)-1)&~((TInt)sizeof(TInt)-1); |
|
640 |
} |
|
641 |
||
642 |
EXPORT_C RArrayBase::RArrayBase(TInt aEntrySize, TInt aMinGrowBy, TInt aKeyOffset, TInt aFactor) |
|
643 |
: iCount(0), iEntries(NULL), iKeyOffset(aKeyOffset), iAllocated(0), iSpare1(0), iSpare2(0) |
|
644 |
{
|
|
645 |
__ASSERT_ALWAYS(aEntrySize>0 && aEntrySize<=KSimpleArrayMaxEntrySize, Panic(EBadArrayEntrySize)); |
|
646 |
__ASSERT_ALWAYS(aKeyOffset>=0 && (aKeyOffset&3)==0 && aKeyOffset<aEntrySize, Panic(EBadArrayKeyOffset)); |
|
647 |
__ASSERT_ALWAYS(aMinGrowBy>0 && aMinGrowBy<=KMaxArrayGrowBy, Panic(EBadArrayMinGrowBy)); |
|
648 |
__ASSERT_ALWAYS(aFactor>=KMinArrayFactor && aFactor<=KMaxArrayFactor, Panic(EBadArrayFactor)); |
|
649 |
iEntrySize=(aEntrySize+(TInt)sizeof(TInt)-1)&~((TInt)sizeof(TInt)-1); |
|
650 |
iGranularity = aMinGrowBy | (aFactor << 16) | 0x80000000; |
|
651 |
} |
|
652 |
||
653 |
EXPORT_C void RArrayBase::Close() |
|
654 |
{
|
|
655 |
iCount=0; |
|
656 |
STD_CLASS::Free(iEntries); |
|
657 |
iEntries=NULL; |
|
658 |
iAllocated=0; |
|
659 |
} |
|
660 |
||
661 |
EXPORT_C TInt RArrayBase::Count() const |
|
662 |
{
|
|
663 |
return iCount; |
|
664 |
} |
|
665 |
||
|
39
2bb754abd467
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
666 |
EXPORT_C void RArrayBase::SetKeyOffset(TInt aKeyOffset) |
|
2bb754abd467
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
667 |
{
|
|
2bb754abd467
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
668 |
__ASSERT_ALWAYS(TUint(aKeyOffset)<TUint(iEntrySize) && (aKeyOffset&3)==0, Panic(EBadArrayKeyOffset)); |
|
2bb754abd467
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
669 |
iKeyOffset = aKeyOffset; |
|
2bb754abd467
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
670 |
} |
|
2bb754abd467
Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
671 |
|
| 0 | 672 |
#ifndef __ARRAY_MACHINE_CODED__ |
673 |
EXPORT_C TAny* RArrayBase::At(TInt anIndex) const |
|
674 |
{
|
|
675 |
__ASSERT_ALWAYS((anIndex>=0 && anIndex<iCount),Panic(EBadArrayIndex)); |
|
676 |
return (((TUint8*)iEntries)+anIndex*iEntrySize); |
|
677 |
} |
|
678 |
#endif |
|
679 |
||
680 |
TInt RArrayBase::Grow() |
|
681 |
{
|
|
682 |
TInt newAlloc = CalculateArraySizeAfterGrow(iAllocated, iGranularity, KMaxTInt/iEntrySize); |
|
683 |
if (newAlloc < 0) |
|
684 |
return newAlloc; |
|
685 |
TAny** pA = (TAny**)STD_CLASS::ReAlloc(iEntries, newAlloc*iEntrySize); |
|
686 |
if (!pA) |
|
687 |
return KErrNoMemory; |
|
688 |
iEntries = pA; |
|
689 |
iAllocated = newAlloc; |
|
690 |
return KErrNone; |
|
691 |
} |
|
692 |
||
693 |
#ifndef __ARRAY_MACHINE_CODED__ |
|
694 |
EXPORT_C TInt RArrayBase::Append(const TAny* anEntry) |
|
695 |
{
|
|
696 |
if (iCount==iAllocated) |
|
697 |
{
|
|
698 |
TInt r=Grow(); |
|
699 |
if (r!=KErrNone) |
|
700 |
return r; |
|
701 |
} |
|
702 |
wordmove((TUint8*)iEntries+iCount*iEntrySize, anEntry, iEntrySize); |
|
703 |
iCount++; |
|
704 |
return KErrNone; |
|
705 |
} |
|
706 |
#endif |
|
707 |
||
708 |
EXPORT_C TInt RArrayBase::Insert(const TAny* anEntry, TInt aPos) |
|
709 |
{
|
|
710 |
__ASSERT_ALWAYS((aPos>=0 && aPos<=iCount),Panic(EBadArrayPosition)); |
|
711 |
if (iCount==iAllocated) |
|
712 |
{
|
|
713 |
TInt r=Grow(); |
|
714 |
if (r!=KErrNone) |
|
715 |
return r; |
|
716 |
} |
|
717 |
TUint8 *pS=(TUint8*)iEntries+aPos*iEntrySize; |
|
718 |
TUint8 *pD=pS+iEntrySize; |
|
719 |
TInt entries=iCount-aPos; |
|
720 |
if (entries!=0) |
|
721 |
wordmove(pD,pS,entries*iEntrySize); |
|
722 |
wordmove(pS,anEntry,iEntrySize); |
|
723 |
iCount++; |
|
724 |
return KErrNone; |
|
725 |
} |
|
726 |
||
727 |
EXPORT_C void RArrayBase::Remove(TInt anIndex) |
|
728 |
{
|
|
729 |
__ASSERT_ALWAYS((anIndex>=0 && anIndex<iCount),Panic(EBadArrayIndex)); |
|
730 |
TUint8 *pD=(TUint8*)iEntries+anIndex*iEntrySize; |
|
731 |
TUint8 *pS=pD+iEntrySize; |
|
732 |
TInt entries=iCount-anIndex-1; |
|
733 |
if (entries!=0) |
|
734 |
wordmove(pD,pS,entries*iEntrySize); |
|
735 |
iCount--; |
|
736 |
} |
|
737 |
||
738 |
EXPORT_C void RArrayBase::Compress() |
|
739 |
{
|
|
740 |
if (iCount) |
|
741 |
iEntries=STD_CLASS::ReAlloc(iEntries,iCount*iEntrySize); // can't fail |
|
742 |
else |
|
743 |
{
|
|
744 |
STD_CLASS::Free(iEntries); |
|
745 |
iEntries=NULL; |
|
746 |
} |
|
747 |
iAllocated=iCount; |
|
748 |
} |
|
749 |
||
750 |
#ifndef __KERNEL_MODE__ |
|
751 |
EXPORT_C void RArrayBase::GranularCompress() |
|
752 |
{
|
|
753 |
TInt newAlloc = CalculateArraySizeAfterShrink(iAllocated, iGranularity, iCount); |
|
754 |
if (newAlloc == iAllocated) |
|
755 |
return; |
|
756 |
if (newAlloc) |
|
757 |
iEntries=STD_CLASS::ReAlloc(iEntries,newAlloc*iEntrySize); // can't fail |
|
758 |
else |
|
759 |
{
|
|
760 |
STD_CLASS::Free(iEntries); |
|
761 |
iEntries=NULL; |
|
762 |
} |
|
763 |
iAllocated=newAlloc; |
|
764 |
} |
|
765 |
||
766 |
EXPORT_C TInt RArrayBase::DoReserve(TInt aCount) |
|
767 |
{
|
|
768 |
__ASSERT_ALWAYS(aCount>=0, Panic(EArrayBadReserveCount)); |
|
769 |
if (aCount <= iAllocated) |
|
770 |
return KErrNone; // if allocated space is already sufficient, nothing to do |
|
771 |
||
772 |
Int64 size = Int64(aCount) * Int64(iEntrySize); |
|
773 |
if (size > Int64(KMaxTInt)) |
|
774 |
return KErrNoMemory; |
|
775 |
||
776 |
TAny** pA = (TAny**)STD_CLASS::ReAlloc(iEntries, aCount*iEntrySize); |
|
777 |
if (!pA) |
|
778 |
return KErrNoMemory; |
|
779 |
iEntries = pA; |
|
780 |
iAllocated = aCount; |
|
781 |
return KErrNone; |
|
782 |
} |
|
783 |
#endif |
|
784 |
||
785 |
EXPORT_C void RArrayBase::Reset() |
|
786 |
{
|
|
787 |
iCount=0; |
|
788 |
STD_CLASS::Free(iEntries); |
|
789 |
iEntries=NULL; |
|
790 |
iAllocated=0; |
|
791 |
} |
|
792 |
||
793 |
EXPORT_C TInt RArrayBase::BinarySearch(const TAny* anEntry, TInt& anIndex, TGeneralLinearOrder anOrder) const |
|
794 |
{
|
|
795 |
return BinarySearch(anEntry, anIndex, anOrder, EArrayFindMode_Any); |
|
796 |
} |
|
797 |
||
798 |
#ifndef __ARRAY_MACHINE_CODED__ |
|
799 |
EXPORT_C TInt RArrayBase::Find(const TAny* anEntry) const |
|
800 |
{
|
|
801 |
TUint8 *pS=(TUint8*)iEntries+iKeyOffset; |
|
802 |
TInt match=*(TInt*)((TUint8*)anEntry+iKeyOffset); |
|
803 |
TInt i; |
|
804 |
for (i=0; i<iCount; i++) |
|
805 |
{
|
|
806 |
TInt key=*(TInt*)pS; |
|
807 |
if (key==match) |
|
808 |
return i; |
|
809 |
pS+=iEntrySize; |
|
810 |
} |
|
811 |
return KErrNotFound; |
|
812 |
} |
|
813 |
||
814 |
EXPORT_C TInt RArrayBase::Find(const TAny* anEntry, TGeneralIdentityRelation anIdentity) const |
|
815 |
{
|
|
816 |
TUint8 *pS=(TUint8*)iEntries; |
|
817 |
TInt i; |
|
818 |
for (i=0; i<iCount; i++) |
|
819 |
{
|
|
820 |
if ((*anIdentity)(anEntry,pS)) |
|
821 |
return i; |
|
822 |
pS+=iEntrySize; |
|
823 |
} |
|
824 |
return KErrNotFound; |
|
825 |
} |
|
826 |
||
827 |
EXPORT_C TInt RArrayBase::BinarySearchSigned(const TAny* anEntry, TInt& anIndex) const |
|
828 |
{
|
|
829 |
return BinarySearchSigned(anEntry, anIndex, EArrayFindMode_Any); |
|
830 |
} |
|
831 |
||
832 |
EXPORT_C TInt RArrayBase::BinarySearchSigned(const TAny* anEntry, TInt& anIndex, TInt aMode) const |
|
833 |
{
|
|
834 |
__ASSERT_DEBUG(TUint(aMode)<TUint(EArrayFindMode_Limit), Panic(EBadArrayFindMode)); |
|
835 |
TInt match=*(TInt*)((TUint8*)anEntry+iKeyOffset); |
|
836 |
TUint8* pK=(TUint8*)iEntries+iKeyOffset; |
|
837 |
TInt l=0; |
|
838 |
TInt r=iCount; |
|
839 |
TInt ret = KErrNotFound; |
|
840 |
while(r>l) |
|
841 |
{
|
|
842 |
TInt m=(l+r)>>1; |
|
843 |
TInt h=*(TInt*)(pK+m*iEntrySize); |
|
844 |
if (match==h) |
|
845 |
{
|
|
846 |
if (aMode == EArrayFindMode_Any) |
|
847 |
{
|
|
848 |
anIndex=m; |
|
849 |
return KErrNone; |
|
850 |
} |
|
851 |
ret = KErrNone; |
|
852 |
if (aMode == EArrayFindMode_First) |
|
853 |
r=m; |
|
854 |
else |
|
855 |
l=m+1; |
|
856 |
} |
|
857 |
else if (match>h) |
|
858 |
l=m+1; |
|
859 |
else |
|
860 |
r=m; |
|
861 |
} |
|
862 |
anIndex=r; |
|
863 |
return ret; |
|
864 |
} |
|
865 |
||
866 |
EXPORT_C TInt RArrayBase::BinarySearchUnsigned(const TAny* anEntry, TInt& anIndex) const |
|
867 |
{
|
|
868 |
return BinarySearchUnsigned(anEntry, anIndex, EArrayFindMode_Any); |
|
869 |
} |
|
870 |
||
871 |
EXPORT_C TInt RArrayBase::BinarySearchUnsigned(const TAny* anEntry, TInt& anIndex, TInt aMode) const |
|
872 |
{
|
|
873 |
__ASSERT_DEBUG(TUint(aMode)<TUint(EArrayFindMode_Limit), Panic(EBadArrayFindMode)); |
|
874 |
TUint match=*(TUint*)((TUint8*)anEntry+iKeyOffset); |
|
875 |
TUint8* pK=(TUint8*)iEntries+iKeyOffset; |
|
876 |
TInt l=0; |
|
877 |
TInt r=iCount; |
|
878 |
TInt ret = KErrNotFound; |
|
879 |
while(r>l) |
|
880 |
{
|
|
881 |
TInt m=(l+r)>>1; |
|
882 |
TUint h=*(TUint*)(pK+m*iEntrySize); |
|
883 |
if (match==h) |
|
884 |
{
|
|
885 |
if (aMode == EArrayFindMode_Any) |
|
886 |
{
|
|
887 |
anIndex=m; |
|
888 |
return KErrNone; |
|
889 |
} |
|
890 |
ret = KErrNone; |
|
891 |
if (aMode == EArrayFindMode_First) |
|
892 |
r=m; |
|
893 |
else |
|
894 |
l=m+1; |
|
895 |
} |
|
896 |
else if (match>h) |
|
897 |
l=m+1; |
|
898 |
else |
|
899 |
r=m; |
|
900 |
} |
|
901 |
anIndex=r; |
|
902 |
return ret; |
|
903 |
} |
|
904 |
||
905 |
EXPORT_C TInt RArrayBase::BinarySearch(const TAny* anEntry, TInt& anIndex, TGeneralLinearOrder anOrder, TInt aMode) const |
|
906 |
{
|
|
907 |
__ASSERT_DEBUG(TUint(aMode)<TUint(EArrayFindMode_Limit), Panic(EBadArrayFindMode)); |
|
908 |
TInt l=0; |
|
909 |
TInt r=iCount; |
|
910 |
TInt ret = KErrNotFound; |
|
911 |
while(r>l) |
|
912 |
{
|
|
913 |
TInt m=(l+r)>>1; |
|
914 |
TInt k=(*anOrder)(anEntry,(TUint8*)iEntries+m*iEntrySize); |
|
915 |
if (k==0) |
|
916 |
{
|
|
917 |
if (aMode == EArrayFindMode_Any) |
|
918 |
{
|
|
919 |
anIndex=m; |
|
920 |
return KErrNone; |
|
921 |
} |
|
922 |
ret = KErrNone; |
|
923 |
if (aMode == EArrayFindMode_First) |
|
924 |
r=m; |
|
925 |
else |
|
926 |
l=m+1; |
|
927 |
} |
|
928 |
else if (k>0) |
|
929 |
l=m+1; |
|
930 |
else |
|
931 |
r=m; |
|
932 |
} |
|
933 |
anIndex=r; |
|
934 |
return ret; |
|
935 |
} |
|
936 |
||
937 |
EXPORT_C TInt RArrayBase::FindIsqSigned(const TAny* anEntry) const |
|
938 |
{
|
|
939 |
return FindIsqSigned(anEntry, EArrayFindMode_Any); |
|
940 |
} |
|
941 |
||
942 |
EXPORT_C TInt RArrayBase::FindIsqUnsigned(const TAny* anEntry) const |
|
943 |
{
|
|
944 |
return FindIsqUnsigned(anEntry, EArrayFindMode_Any); |
|
945 |
} |
|
946 |
||
947 |
EXPORT_C TInt RArrayBase::FindIsq(const TAny* anEntry, TGeneralLinearOrder anOrder) const |
|
948 |
{
|
|
949 |
return FindIsq(anEntry, anOrder, EArrayFindMode_Any); |
|
950 |
} |
|
951 |
||
952 |
EXPORT_C TInt RArrayBase::FindIsqSigned(const TAny* anEntry, TInt aMode) const |
|
953 |
{
|
|
954 |
TInt i; |
|
955 |
TInt r=BinarySearchSigned(anEntry,i,aMode); |
|
956 |
return (r==KErrNone)?i:r; |
|
957 |
} |
|
958 |
||
959 |
EXPORT_C TInt RArrayBase::FindIsqUnsigned(const TAny* anEntry, TInt aMode) const |
|
960 |
{
|
|
961 |
TInt i; |
|
962 |
TInt r=BinarySearchUnsigned(anEntry,i,aMode); |
|
963 |
return (r==KErrNone)?i:r; |
|
964 |
} |
|
965 |
||
966 |
EXPORT_C TInt RArrayBase::FindIsq(const TAny* anEntry, TGeneralLinearOrder anOrder, TInt aMode) const |
|
967 |
{
|
|
968 |
TInt i; |
|
969 |
TInt r=BinarySearch(anEntry,i,anOrder,aMode); |
|
970 |
return (r==KErrNone)?i:r; |
|
971 |
} |
|
972 |
#endif |
|
973 |
||
974 |
EXPORT_C TInt RArrayBase::FindReverse(const TAny* anEntry) const |
|
975 |
{
|
|
976 |
TUint8 *pS=(TUint8*)iEntries+(iCount-1)*iEntrySize+iKeyOffset; |
|
977 |
TInt match=*(TInt*)((TUint8*)anEntry+iKeyOffset); |
|
978 |
TInt i=iCount; |
|
979 |
while(i--) |
|
980 |
{
|
|
981 |
TInt key=*(TInt*)pS; |
|
982 |
if (key==match) |
|
983 |
return i; |
|
984 |
pS-=iEntrySize; |
|
985 |
} |
|
986 |
return KErrNotFound; |
|
987 |
} |
|
988 |
||
989 |
EXPORT_C TInt RArrayBase::FindReverse(const TAny* anEntry, TGeneralIdentityRelation anIdentity) const |
|
990 |
{
|
|
991 |
TUint8 *pS=(TUint8*)iEntries+(iCount-1)*iEntrySize; |
|
992 |
TInt i=iCount; |
|
993 |
while (i--) |
|
994 |
{
|
|
995 |
if ((*anIdentity)(anEntry,pS)) |
|
996 |
return i; |
|
997 |
pS-=iEntrySize; |
|
998 |
} |
|
999 |
return KErrNotFound; |
|
1000 |
} |
|
1001 |
||
1002 |
EXPORT_C TInt RArrayBase::InsertIsqSigned(const TAny* anEntry, TBool aAllowRepeats) |
|
1003 |
{
|
|
1004 |
TInt i; |
|
1005 |
TInt mode = aAllowRepeats ? EArrayFindMode_Last : EArrayFindMode_Any; |
|
1006 |
TInt r=BinarySearchSigned(anEntry,i,mode); |
|
1007 |
if (r==KErrNotFound || aAllowRepeats) |
|
1008 |
return Insert((const TAny*)anEntry,i); |
|
1009 |
return KErrAlreadyExists; |
|
1010 |
} |
|
1011 |
||
1012 |
EXPORT_C TInt RArrayBase::InsertIsqUnsigned(const TAny* anEntry, TBool aAllowRepeats) |
|
1013 |
{
|
|
1014 |
TInt i; |
|
1015 |
TInt mode = aAllowRepeats ? EArrayFindMode_Last : EArrayFindMode_Any; |
|
1016 |
TInt r=BinarySearchUnsigned(anEntry,i,mode); |
|
1017 |
if (r==KErrNotFound || aAllowRepeats) |
|
1018 |
return Insert((const TAny*)anEntry,i); |
|
1019 |
return KErrAlreadyExists; |
|
1020 |
} |
|
1021 |
||
1022 |
EXPORT_C TInt RArrayBase::InsertIsq(const TAny* anEntry, TGeneralLinearOrder anOrder, TBool aAllowRepeats) |
|
1023 |
{
|
|
1024 |
TInt i; |
|
1025 |
TInt mode = aAllowRepeats ? EArrayFindMode_Last : EArrayFindMode_Any; |
|
1026 |
TInt r=BinarySearch(anEntry,i,anOrder,mode); |
|
1027 |
if (r==KErrNotFound || aAllowRepeats) |
|
1028 |
return Insert((const TAny*)anEntry,i); |
|
1029 |
return KErrAlreadyExists; |
|
1030 |
} |
|
1031 |
||
1032 |
#ifndef __KERNEL_MODE__ |
|
1033 |
#ifndef __ARRAY_MACHINE_CODED__ |
|
1034 |
EXPORT_C void RArrayBase::HeapSortSigned() |
|
1035 |
{
|
|
1036 |
TUint32 si[KSimpleArrayMaxEntrySize/4]; |
|
1037 |
TInt ss = iCount; |
|
1038 |
if (ss>1) |
|
1039 |
{
|
|
1040 |
TInt sh = ss>>1; |
|
1041 |
FOREVER |
|
1042 |
{
|
|
1043 |
if (sh!=0) |
|
1044 |
{
|
|
1045 |
--sh; |
|
1046 |
wordmove(si,(TUint8*)iEntries+sh*iEntrySize,iEntrySize); |
|
1047 |
} |
|
1048 |
else |
|
1049 |
{
|
|
1050 |
--ss; |
|
1051 |
wordmove(si,(TUint8*)iEntries+ss*iEntrySize,iEntrySize); |
|
1052 |
wordmove((TUint8*)iEntries+ss*iEntrySize,iEntries,iEntrySize); |
|
1053 |
if (ss==1) |
|
1054 |
{
|
|
1055 |
wordmove(iEntries,si,iEntrySize); |
|
1056 |
break; |
|
1057 |
} |
|
1058 |
} |
|
1059 |
TInt ii = sh; |
|
1060 |
TInt jj = sh; |
|
1061 |
TInt sikey=*(TInt*)((TUint8*)si+iKeyOffset); |
|
1062 |
FOREVER |
|
1063 |
{
|
|
1064 |
jj = (jj+1)<<1; |
|
1065 |
TUint8* pKey=((TUint8*)iEntries+jj*iEntrySize+iKeyOffset); |
|
1066 |
if (jj>=ss || (*(TInt*)(pKey-iEntrySize))>*(TInt*)pKey ) |
|
1067 |
{
|
|
1068 |
--jj; |
|
1069 |
pKey-=iEntrySize; |
|
1070 |
} |
|
1071 |
if (jj>=ss || *(TInt*)pKey<=sikey) |
|
1072 |
break; |
|
1073 |
wordmove((TUint8*)iEntries+ii*iEntrySize,(TUint8*)iEntries+jj*iEntrySize,iEntrySize); |
|
1074 |
ii = jj; |
|
1075 |
} |
|
1076 |
wordmove((TUint8*)iEntries+ii*iEntrySize,si,iEntrySize); |
|
1077 |
} |
|
1078 |
} |
|
1079 |
} |
|
1080 |
||
1081 |
EXPORT_C void RArrayBase::HeapSortUnsigned() |
|
1082 |
{
|
|
1083 |
TUint32 si[KSimpleArrayMaxEntrySize/4]; |
|
1084 |
TInt ss = iCount; |
|
1085 |
if (ss>1) |
|
1086 |
{
|
|
1087 |
TInt sh = ss>>1; |
|
1088 |
FOREVER |
|
1089 |
{
|
|
1090 |
if (sh!=0) |
|
1091 |
{
|
|
1092 |
--sh; |
|
1093 |
wordmove(si,(TUint8*)iEntries+sh*iEntrySize,iEntrySize); |
|
1094 |
} |
|
1095 |
else |
|
1096 |
{
|
|
1097 |
--ss; |
|
1098 |
wordmove(si,(TUint8*)iEntries+ss*iEntrySize,iEntrySize); |
|
1099 |
wordmove((TUint8*)iEntries+ss*iEntrySize,iEntries,iEntrySize); |
|
1100 |
if (ss==1) |
|
1101 |
{
|
|
1102 |
wordmove(iEntries,si,iEntrySize); |
|
1103 |
break; |
|
1104 |
} |
|
1105 |
} |
|
1106 |
TInt ii = sh; |
|
1107 |
TInt jj = sh; |
|
1108 |
TUint sikey=*(TUint*)((TUint8*)si+iKeyOffset); |
|
1109 |
FOREVER |
|
1110 |
{
|
|
1111 |
jj = (jj+1)<<1; |
|
1112 |
TUint8* pKey=((TUint8*)iEntries+jj*iEntrySize+iKeyOffset); |
|
1113 |
if (jj>=ss || (*(TUint*)(pKey-iEntrySize))>*(TUint*)pKey ) |
|
1114 |
{
|
|
1115 |
--jj; |
|
1116 |
pKey-=iEntrySize; |
|
1117 |
} |
|
1118 |
if (jj>=ss || *(TUint*)pKey<=sikey) |
|
1119 |
break; |
|
1120 |
wordmove((TUint8*)iEntries+ii*iEntrySize,(TUint8*)iEntries+jj*iEntrySize,iEntrySize); |
|
1121 |
ii = jj; |
|
1122 |
} |
|
1123 |
wordmove((TUint8*)iEntries+ii*iEntrySize,si,iEntrySize); |
|
1124 |
} |
|
1125 |
} |
|
1126 |
} |
|
1127 |
||
1128 |
EXPORT_C void RArrayBase::HeapSort(TGeneralLinearOrder anOrder) |
|
1129 |
{
|
|
1130 |
TUint32 si[KSimpleArrayMaxEntrySize/4]; |
|
1131 |
TInt ss = iCount; |
|
1132 |
if (ss>1) |
|
1133 |
{
|
|
1134 |
TInt sh = ss>>1; |
|
1135 |
FOREVER |
|
1136 |
{
|
|
1137 |
if (sh!=0) |
|
1138 |
{
|
|
1139 |
--sh; |
|
1140 |
wordmove(si,(TUint8*)iEntries+sh*iEntrySize,iEntrySize); |
|
1141 |
} |
|
1142 |
else |
|
1143 |
{
|
|
1144 |
--ss; |
|
1145 |
wordmove(si,(TUint8*)iEntries+ss*iEntrySize,iEntrySize); |
|
1146 |
wordmove((TUint8*)iEntries+ss*iEntrySize,iEntries,iEntrySize); |
|
1147 |
if (ss==1) |
|
1148 |
{
|
|
1149 |
wordmove(iEntries,si,iEntrySize); |
|
1150 |
break; |
|
1151 |
} |
|
1152 |
} |
|
1153 |
TInt ii = sh; |
|
1154 |
TInt jj = sh; |
|
1155 |
FOREVER |
|
1156 |
{
|
|
1157 |
jj = (jj+1)<<1; |
|
1158 |
TUint8* pJJ=((TUint8*)iEntries+jj*iEntrySize); |
|
1159 |
if (jj>=ss || (*anOrder)(pJJ-iEntrySize,pJJ)>0) |
|
1160 |
{
|
|
1161 |
--jj; |
|
1162 |
pJJ-=iEntrySize; |
|
1163 |
} |
|
1164 |
if (jj>=ss || (*anOrder)(pJJ,si)<=0) |
|
1165 |
break; |
|
1166 |
wordmove((TUint8*)iEntries+ii*iEntrySize,(TUint8*)iEntries+jj*iEntrySize,iEntrySize); |
|
1167 |
ii = jj; |
|
1168 |
} |
|
1169 |
wordmove((TUint8*)iEntries+ii*iEntrySize,si,iEntrySize); |
|
1170 |
} |
|
1171 |
} |
|
1172 |
} |
|
1173 |
#endif |
|
1174 |
||
1175 |
EXPORT_C TInt RArrayBase::GetCount(const CBase* aPtr) |
|
1176 |
{
|
|
1177 |
return ((RArrayBase*)aPtr)->Count(); |
|
1178 |
} |
|
1179 |
||
1180 |
EXPORT_C const TAny* RArrayBase::GetElementPtr(const CBase* aPtr, TInt aIndex) |
|
1181 |
{
|
|
1182 |
return ((RArrayBase*)aPtr)->At(aIndex); |
|
1183 |
} |
|
1184 |
#endif // __KERNEL_MODE__ |
|
1185 |