Improved common vertex handling.
[u/mrichter/AliRoot.git] / STEER / AliRawReader.h
CommitLineData
a6e7b125 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
10struct 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
19class 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