crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianNativeTools/Include/inflate.h
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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #ifndef __INFLATE_H__ |
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19 #define __INFLATE_H__ |
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20 |
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21 #include "e32defwrap.h" |
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22 #include "huffman.h" |
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23 |
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24 |
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25 const TInt KDeflateMinLength=3; |
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26 const TInt KDeflateMaxDistance=(1<<KDeflateDistanceMag); |
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27 const TInt KDeflateDistCodeBase=0x200; |
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28 |
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29 /** |
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30 Class for inflater |
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31 @internalComponent |
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32 @released |
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33 */ |
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34 class CInflater |
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35 { |
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36 public: |
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37 enum {EBufSize = 0x800, ESafetyZone=8}; |
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38 public: |
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39 static CInflater* NewLC(TBitInput& aInput); |
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40 ~CInflater(); |
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41 TInt ReadL(TUint8* aBuffer,TInt aLength); |
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42 TInt SkipL(TInt aLength); |
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43 private: |
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44 CInflater(TBitInput& aInput); |
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45 void ConstructL(); |
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46 void InitL(); |
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47 TInt InflateL(); |
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48 private: |
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49 TBitInput* iBits; |
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50 const TUint8* iRptr; // partial segment |
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51 TInt iLen; |
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52 const TUint8* iAvail; // available data |
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53 const TUint8* iLimit; |
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54 TEncoding* iEncoding; |
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55 TUint8* iOut; // circular buffer for distance matches |
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56 TUint8 iHuff[EBufSize+ESafetyZone]; // huffman data |
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57 }; |
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58 |
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59 #endif |
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60 |