1 | #ifndef MARS_MDataFormat
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2 | #define MARS_MDataFormat
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3 |
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4 | #ifndef MARS_MAGIC
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5 | #include "MAGIC.h"
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6 | #endif
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7 |
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8 | #ifndef ROOT_Rtypes
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9 | #include <Rtypes.h>
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10 | #endif
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11 |
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12 | #include <iosfwd>
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13 | #include <fstream>
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14 |
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15 | class MCorsikaFormat
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16 | {
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17 | protected:
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18 | std::istream *fIn;
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19 |
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20 | public:
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21 | enum
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22 | {
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23 | kBlockLengthRaw = 0x00005994, // Raw Corsika without Thinning
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24 | kBlockLengthThin = 0x00006660, // Raw Corsika with Thinning
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25 |
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26 | kSyncMarker = 0xd41f8a37, // EventIO
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27 |
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28 | kRUNH = 0x484e5552, // "RUNH"
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29 | kRUNE = 0x454e5552, // "RUNE"
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30 | kEVTH = 0x48545645, // "EVTH"
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31 | kEVTE = 0x45545645, // "EVTE"
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32 | };
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33 |
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34 | MCorsikaFormat(std::istream * in)
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35 | : fIn(in) { }
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36 | virtual ~MCorsikaFormat();
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37 |
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38 | virtual Bool_t NextBlock(Int_t readState, Int_t & blockType, Int_t & blockVersion,
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39 | Int_t & blockIdentifier, Int_t & blockLength) const = 0;
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40 |
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41 | void Seek(std::streampos offset) {fIn->seekg(offset, std::ios::cur);}
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42 |
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43 | virtual Bool_t SeekEvtEnd() = 0;
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44 |
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45 | virtual Bool_t IsEventioFormat() const = 0;
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46 |
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47 | virtual Bool_t Eof() const;
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48 |
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49 | Bool_t Read(void *ptr, Int_t i) const;
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50 |
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51 | static MCorsikaFormat *CorsikaFormatFactory(const char *fileName);
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52 | };
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53 |
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54 |
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55 | class MCorsikaFormatRaw : public MCorsikaFormat
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56 | {
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57 | private:
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58 | uint32_t fBlockLength;
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59 |
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60 | public:
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61 | MCorsikaFormatRaw(std::istream * in, const uint32_t &bl)
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62 | : MCorsikaFormat(in), fBlockLength(bl) {}
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63 |
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64 | Bool_t NextBlock(Int_t readState, Int_t & blockType, Int_t & blockVersion,
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65 | Int_t & blockIdentifier, Int_t & blockLength) const;
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66 |
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67 | Bool_t SeekEvtEnd();
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68 |
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69 | Bool_t IsEventioFormat() const {return kFALSE;}
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70 | };
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71 |
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72 |
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73 | class MCorsikaFormatEventIO : public MCorsikaFormat
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74 | {
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75 |
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76 | public:
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77 | MCorsikaFormatEventIO(std::istream *in)
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78 | : MCorsikaFormat(in) {}
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79 |
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80 |
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81 | Bool_t NextBlock(Int_t readState, Int_t & blockType, Int_t & blockVersion,
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82 | Int_t & blockIdentifier, Int_t & blockLength) const;
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83 |
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84 | Bool_t SeekEvtEnd();
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85 |
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86 | Bool_t IsEventioFormat() const { return kTRUE; }
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87 |
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88 | };
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89 |
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90 | #endif
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91 |
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