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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> |
7 | #include <Riostream.h> |
8 | |
9 | |
10 | struct AliMiniHeader { |
11 | UInt_t fSize; |
12 | UChar_t fDetectorID; |
13 | UChar_t fMagicWord[3]; |
14 | UChar_t fVersion; |
15 | UChar_t fCompressionFlag; |
16 | UShort_t fDDLID; |
17 | }; |
18 | |
19 | class AliRawReader: public TObject { |
20 | public : |
21 | AliRawReader(const char* fileName, Bool_t addNumber = kTRUE); |
22 | virtual ~AliRawReader(); |
23 | |
24 | inline Int_t GetDetectorID() const {return fMiniHeader.fDetectorID;}; |
25 | inline Int_t GetDDLID() const {return fMiniHeader.fDDLID;}; |
26 | inline Int_t GetVersion() const {return fMiniHeader.fVersion;}; |
27 | inline Bool_t IsCompressed() const {return fMiniHeader.fCompressionFlag != 0;}; |
28 | |
29 | Bool_t ReadNextInt(UInt_t& data); |
30 | Bool_t ReadNextShort(UShort_t& data); |
31 | Bool_t ReadNextChar(UChar_t& data); |
32 | |
33 | protected : |
34 | Bool_t OpenNextFile(); |
35 | |
36 | Bool_t ReadMiniHeader(); |
37 | |
38 | const char* fFileName; // name of input files |
39 | Int_t fFileNumber; // number of current input file |
40 | fstream* fStream; // stream of raw digits |
41 | AliMiniHeader fMiniHeader; // current mini header |
42 | Int_t fCount; // counter of bytes to be read for current DDL |
43 | |
44 | ClassDef(AliRawReader, 0) // base class for reading raw digits |
45 | }; |
46 | |
47 | #endif |