| 1 | //--------------------------------------------------------------------------
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| 2 | #ifndef HEPMC_STREAM_HELPERS_H
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| 3 | #define HEPMC_STREAM_HELPERS_H
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| 4 |
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| 5 | //////////////////////////////////////////////////////////////////////////
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| 6 | // garren@fnal.gov, March 2009
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| 7 | //
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| 8 | // This header contains helper functions used by streaming IO
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| 9 | //////////////////////////////////////////////////////////////////////////
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| 10 |
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| 11 | #include <ostream>
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| 12 | #include <istream>
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| 13 |
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| 14 | #include "GenEvent.h"
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| 15 | #include "TempParticleMap.h"
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| 16 |
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| 17 | namespace HepMC {
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| 18 |
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| 19 | namespace detail {
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| 20 |
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| 21 | /// used by IO_GenEvent constructor
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| 22 | std::ostream & establish_output_stream_info( std::ostream & );
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| 23 | /// used by IO_GenEvent constructor
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| 24 | std::istream & establish_input_stream_info( std::istream & );
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| 25 |
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| 26 | /// get a GenVertex from ASCII input
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| 27 | /// TempParticleMap is used to track the associations of particles with vertices
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| 28 | std::istream & read_vertex( std::istream &, TempParticleMap &, GenVertex * );
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| 29 |
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| 30 | /// get a GenParticle from ASCII input
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| 31 | /// TempParticleMap is used to track the associations of particles with vertices
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| 32 | std::istream & read_particle( std::istream&, TempParticleMap &, GenParticle * );
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| 33 |
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| 34 | /// write a double - for internal use by streaming IO
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| 35 | inline std::ostream & output( std::ostream & os, const double& d ) {
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| 36 | if( os ) {
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| 37 | if ( d == 0. ) {
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| 38 | os << ' ' << (int)0;
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| 39 | } else {
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| 40 | os << ' ' << d;
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| 41 | }
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| 42 | }
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| 43 | return os;
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| 44 | }
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| 45 |
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| 46 | /// write a float - for internal use by streaming IO
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| 47 | inline std::ostream & output( std::ostream & os, const float& d ) {
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| 48 | if( os ) {
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| 49 | if ( d == 0. ) {
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| 50 | os << ' ' << (int)0;
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| 51 | } else {
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| 52 | os << ' ' << d;
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| 53 | }
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| 54 | }
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| 55 | return os;
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| 56 | }
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| 57 |
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| 58 | /// write an int - for internal use by streaming IO
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| 59 | inline std::ostream & output( std::ostream & os, const int& i ) {
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| 60 | if( os ) {
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| 61 | if ( i == 0. ) {
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| 62 | os << ' ' << (int)0;
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| 63 | } else {
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| 64 | os << ' ' << i;
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| 65 | }
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| 66 | }
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| 67 | return os;
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| 68 | }
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| 69 |
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| 70 | /// write a long - for internal use by streaming IO
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| 71 | inline std::ostream & output( std::ostream & os, const long& i ) {
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| 72 | if( os ) {
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| 73 | if ( i == 0. ) {
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| 74 | os << ' ' << (int)0;
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| 75 | } else {
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| 76 | os << ' ' << i;
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| 77 | }
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| 78 | }
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| 79 | return os;
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| 80 | }
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| 81 |
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| 82 | /// write a single char - for internal use by streaming IO
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| 83 | inline std::ostream & output( std::ostream & os, const char& c ) {
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| 84 | if( os ) {
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| 85 | if ( c ) {
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| 86 | os << c;
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| 87 | } else {
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| 88 | os << ' ' ;
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| 89 | }
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| 90 | }
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| 91 | return os;
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| 92 | }
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| 93 |
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| 94 | /// used to read to the end of a bad event
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| 95 | std::istream & find_event_end( std::istream & );
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| 96 |
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| 97 | } // detail
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| 98 |
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| 99 | } // HepMC
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| 100 |
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| 101 | #endif // HEPMC_STREAM_HELPERS_H
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| 102 | //--------------------------------------------------------------------------
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