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File indexing completed on 2021-07-28 03:10:10

0001 #include "PhysicsTools/HepMCCandAlgos/interface/pdgEntryReplace.h"
0002 #include "SimGeneral/HepPDTRecord/interface/PdtEntry.h"
0003 #include <sstream>
0004 using namespace std;
0005 
0006 string pdgEntryReplace(const string& in, HepPDT::ParticleDataTable const& pdt) {
0007   string out = in;
0008   for (;;) {
0009     size_t p1 = out.find_first_of('{');
0010     if (p1 == string::npos)
0011       break;
0012     size_t p2 = out.find_first_of('}', p1 + 1);
0013     if (p2 == string::npos)
0014       break;
0015     size_t n = p2 - p1 - 1;
0016     string name(out, p1 + 1, n);
0017     PdtEntry particle(name);
0018     particle.setup(pdt);
0019     ostringstream o;
0020     o << particle.pdgId();
0021     string s = o.str();
0022     out.replace(p1, n + 2, s);
0023   }
0024   return out;
0025 }