RPC/src/RPCLBLinkNameParser.cc

0001 #include "CondTools/RPC/interface/RPCLBLinkNameParser.h"
0002
0003 #include <sstream>
0004 #include <algorithm>
0005 #include "FWCore/Utilities/interface/Exception.h"
0006
0007 void RPCLBLinkNameParser::parse(std::string const& name, RPCLBLink& lb_link) {
0008   lb_link.reset();
0009   std::string::size_type size = name.size();
0010   std::string::size_type pos(0), next(0);
0011   int tmp;
0012
0013   std::istringstream conv;
0014
0015   // region
0016   pos = name.find("_R", pos);
0017   if (pos == std::string::npos || (pos += 2) >= size)
0018     throw cms::Exception("InvalidLinkBoardName") << "Expected _R[region], got " << name;
0019   switch (name.at(pos)) {
0020     case 'B':
0021       lb_link.setRegion(0);
0022       break;
0023     case 'E':
0024       lb_link.setRegion(1);
0025       break;
0026     default:
0027       throw cms::Exception("InvalidLinkBoardName") << "Expected Region B or E, got " << name.at(pos) << " in " << name;
0028       break;
0029   }
0030   if ((++pos) >= size)
0031     throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
0032
0033   // yoke
0034   next = name.find_first_not_of("+-0123456789", pos);
0035   conv.clear();
0036   conv.str(name.substr(pos, next - pos));
0037   conv >> tmp;
0038   lb_link.setYoke(tmp);
0039   pos = next;
0040
0041   // sector
0042   pos = name.find("_S", pos);
0043   if (pos == std::string::npos || (pos += 2) >= size)
0044     throw cms::Exception("InvalidLinkBoardName") << "Expected _S[sector], got " << name;
0045   next = name.find_first_not_of("+-0123456789", pos);
0046   conv.clear();
0047   conv.str(name.substr(pos, next - pos));
0048   conv >> tmp;
0049   lb_link.setSector(tmp);
0050   pos = next;
0051
0052   // (region) side
0053   pos = name.find('_', pos);
0054   if (pos == std::string::npos || (pos += 2) >= size)
0055     throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
0056   switch (name.at(pos)) {
0057     case 'N':
0058       lb_link.setSide(0);
0059       break;
0060     case 'M':
0061       lb_link.setSide(1);
0062       break;
0063     case 'P':
0064       lb_link.setSide(2);
0065       break;
0066     default:
0067       throw cms::Exception("InvalidLinkBoardName") << "Expected Side N, M or P, got " << name.at(pos) << " in " << name;
0068       break;
0069   }
0070   if ((++pos) >= size)
0071     throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
0072
0073   // wheelordisk
0074   conv.clear();
0075   conv.str(name.substr(pos, 1));
0076   conv >> tmp;
0077   lb_link.setWheelOrDisk(tmp);
0078   if ((++pos) >= size)
0079     throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
0080
0081   // fibre
0082   {
0083     std::string fibre("123ABCDE");
0084     char const* tmpchar = std::find(&(fibre[0]), &(fibre[0]) + 8, name.at(pos));
0085     lb_link.setFibre(tmpchar - &(fibre[0]));
0086   }
0087   if ((++pos) >= size)
0088     return;
0089
0090   // radial
0091   next = name.find("_CH", pos);
0092   if (next == std::string::npos)
0093     next = size;
0094   if (next - pos == 2) {
0095     std::string radial = name.substr(pos, 2);
0096     if (radial == "ab")
0097       lb_link.setRadial(0);
0098     else if (radial == "cd")
0099       lb_link.setRadial(1);
0100   }
0101
0102   if (next == size)
0103     return;
0104
0105   // linkboard
0106   pos = next;
0107   if (pos + 3 >= size)
0108     throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
0109   pos += 3;
0110   next = name.find_first_not_of("+-0123456789", pos);
0111   conv.clear();
0112   conv.str(name.substr(pos, next - pos));
0113   conv >> tmp;
0114   lb_link.setLinkBoard(tmp);
0115 }
0116
0117 RPCLBLink RPCLBLinkNameParser::parse(std::string const& name) {
0118   RPCLBLink lb_link;
0119   parse(name, lb_link);
0120   return lb_link;
0121 }