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1 | #ifndef ALIRAWREADER_H |
2 | #define ALIRAWREADER_H |
3 | /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. * |
4 | * See cxx source for full Copyright notice */ |
5 | |
6 | #include <TObject.h> |
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7 | #include "AliMiniHeader.h" |
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8 | |
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9 | |
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10 | class AliRawReader: public TObject { |
11 | public : |
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12 | AliRawReader(); |
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13 | AliRawReader(const AliRawReader& rawReader); |
14 | AliRawReader& operator = (const AliRawReader& rawReader); |
15 | virtual ~AliRawReader() {}; |
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16 | |
17 | void Select(Int_t detectorID, |
18 | Int_t minDDLID = -1, Int_t maxDDLID = -1); |
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19 | |
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20 | virtual UInt_t GetType() const = 0; |
21 | virtual UInt_t GetRunNumber() const = 0; |
22 | virtual const UInt_t* GetEventId() const = 0; |
23 | virtual const UInt_t* GetTriggerPattern() const = 0; |
24 | virtual const UInt_t* GetDetectorPattern() const = 0; |
25 | virtual const UInt_t* GetAttributes() const = 0; |
26 | virtual UInt_t GetGDCId() const = 0; |
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27 | |
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28 | Int_t GetDataSize() const {return fMiniHeader->fSize;}; |
29 | Int_t GetDetectorID() const {return fMiniHeader->fDetectorID;}; |
30 | Int_t GetDDLID() const {return fMiniHeader->fDDLID;}; |
31 | Int_t GetVersion() const {return fMiniHeader->fVersion;}; |
32 | Bool_t IsCompressed() const {return fMiniHeader->fCompressionFlag != 0;}; |
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33 | |
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34 | virtual Bool_t ReadMiniHeader() = 0; |
35 | virtual Bool_t ReadNextData(UChar_t*& data) = 0; |
36 | virtual Bool_t ReadNextInt(UInt_t& data); |
37 | virtual Bool_t ReadNextShort(UShort_t& data); |
38 | virtual Bool_t ReadNextChar(UChar_t& data); |
39 | |
40 | virtual Bool_t Reset() = 0; |
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41 | |
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42 | enum {kErrMagic=1, kErrNoMiniHeader=2, kErrMiniMagic=4, |
43 | kErrSize=8, kErrOutOfBounds=16}; |
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44 | virtual Int_t CheckData() const; |
45 | Int_t GetErrorCode() {return fErrorCode;}; |
46 | |
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47 | protected : |
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48 | Bool_t IsSelected() const; |
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49 | |
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50 | Bool_t CheckMiniHeader(AliMiniHeader* miniHeader = NULL) const; |
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51 | virtual Bool_t ReadNext(UChar_t* data, Int_t size) = 0; |
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52 | |
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53 | AliMiniHeader* fMiniHeader; // current mini header |
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54 | Int_t fCount; // counter of bytes to be read for current DDL |
55 | |
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56 | Int_t fSelectDetectorID; // id of selected detector (<0 = no selection) |
57 | Int_t fSelectMinDDLID; // minimal index of selected DDLs (<0 = no selection) |
58 | Int_t fSelectMaxDDLID; // maximal index of selected DDLs (<0 = no selection) |
59 | |
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60 | Int_t fErrorCode; // code of last error |
61 | |
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62 | ClassDef(AliRawReader, 0) // base class for reading raw digits |
63 | }; |
64 | |
65 | #endif |