[571] | 1 | //--------------------------------------------------------------------------
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| 2 | //
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| 3 | // PdfInfo.cc
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| 4 | // Author: Lynn Garren
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| 5 | //
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| 6 | // Implement operator >> and operator <<
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| 7 | //
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| 8 | // ----------------------------------------------------------------------
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| 9 |
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| 10 | #include <iostream>
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| 11 | #include <ostream>
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| 12 | #include <istream>
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| 13 | #include <sstream>
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| 14 |
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| 15 | #include "PdfInfo.h"
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| 16 | #include "StreamHelpers.h"
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| 17 | #include "IO_Exception.h"
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| 18 |
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| 19 | namespace HepMC {
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| 20 |
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| 21 | std::ostream & operator << ( std::ostream & os, PdfInfo const * pdf)
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| 22 | {
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| 23 | if ( !os ) {
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| 24 | std::cerr << "operator << for PdfInfo: !os, "
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| 25 | << " setting badbit" << std::endl;
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| 26 | os.clear(std::ios::badbit);
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| 27 | return os;
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| 28 | }
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| 29 | os << 'F';
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| 30 | // PdfInfo* is set to 0 by default
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| 31 | if ( !pdf ) {
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| 32 | detail::output( os, 0 );
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| 33 | detail::output( os, 0 );
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| 34 | detail::output( os, 0. );
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| 35 | detail::output( os, 0. );
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| 36 | detail::output( os, 0. );
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| 37 | detail::output( os, 0. );
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| 38 | detail::output( os, 0. );
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| 39 | detail::output( os, 0 );
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| 40 | detail::output( os, 0 );
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| 41 | detail::output( os,'\n');
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| 42 | return os;
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| 43 | }
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| 44 | //
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| 45 | detail::output( os, pdf->id1() );
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| 46 | detail::output( os, pdf->id2() );
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| 47 | detail::output( os, pdf->x1() );
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| 48 | detail::output( os, pdf->x2() );
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| 49 | detail::output( os, pdf->scalePDF() );
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| 50 | detail::output( os, pdf->pdf1() );
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| 51 | detail::output( os, pdf->pdf2() );
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| 52 | detail::output( os, pdf->pdf_id1() );
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| 53 | detail::output( os, pdf->pdf_id2() );
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| 54 | detail::output( os,'\n');
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| 55 |
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| 56 | return os;
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| 57 | }
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| 58 |
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| 59 | std::istream & operator >> (std::istream & is, PdfInfo * pdf)
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| 60 | {
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| 61 | // make sure the stream is valid
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| 62 | if ( !is ) {
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| 63 | std::cerr << "PdfInfo input stream setting badbit." << std::endl;
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| 64 | is.clear(std::ios::badbit);
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| 65 | return is;
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| 66 | }
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| 67 | //
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| 68 | // get the PdfInfo line
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| 69 | std::string line;
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| 70 | std::getline(is,line);
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| 71 | std::istringstream iline(line);
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| 72 | std::string firstc;
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| 73 | iline >> firstc;
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| 74 | // test to be sure the next entry is of type "F" then ignore it
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| 75 | if ( firstc != "F" ) {
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| 76 | std::cerr << "PdfInfo input stream invalid line type: "
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| 77 | << firstc << std::endl;
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| 78 | // this is non-recoverable, so throw here
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| 79 | throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 80 | }
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| 81 | // read values into temp variables, then create a new PdfInfo object
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| 82 | int id1 =0, id2 =0, pdf_id1=0, pdf_id2=0;
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| 83 | double x1 = 0., x2 = 0., scale = 0., pdf1 = 0., pdf2 = 0.;
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| 84 | iline >> id1 ;
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| 85 | if(!iline) throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 86 | // check now for empty PdfInfo line
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| 87 | if( id1 == 0 ) return is;
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| 88 | // continue reading
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| 89 | iline >> id2 ;
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| 90 | if(!iline) throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 91 | iline >> x1 ;
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| 92 | if(!iline) throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 93 | iline >> x2 ;
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| 94 | if(!iline) throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 95 | iline >> scale ;
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| 96 | if(!iline) throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 97 | iline >> pdf1 ;
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| 98 | if(!iline) throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 99 | iline >> pdf2;
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| 100 | if(!iline) throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 101 | // check to see if we are at the end of the line
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| 102 | if( !iline.eof() ) {
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| 103 | iline >> pdf_id1 ;
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| 104 | if(!iline) throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 105 | iline >> pdf_id2;
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| 106 | if(!iline) throw IO_Exception("PdfInfo input stream encounterd invalid data");
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| 107 | }
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| 108 | pdf->set_id1( id1 );
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| 109 | pdf->set_id2( id2 );
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| 110 | pdf->set_pdf_id1( pdf_id1 );
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| 111 | pdf->set_pdf_id2( pdf_id2 );
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| 112 | pdf->set_x1( x1 );
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| 113 | pdf->set_x2( x2 );
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| 114 | pdf->set_scalePDF( scale );
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| 115 | pdf->set_pdf1( pdf1 );
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| 116 | pdf->set_pdf2( pdf2 );
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| 117 |
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| 118 | return is;
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| 119 | }
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| 120 |
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| 121 | } // HepMC
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