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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