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#include "CondTools/RPC/interface/RPCLBLinkNameParser.h"
#include <sstream>
#include <algorithm>
#include "FWCore/Utilities/interface/Exception.h"
void RPCLBLinkNameParser::parse(std::string const& name, RPCLBLink& lb_link) {
lb_link.reset();
std::string::size_type size = name.size();
std::string::size_type pos(0), next(0);
int tmp;
std::istringstream conv;
// region
pos = name.find("_R", pos);
if (pos == std::string::npos || (pos += 2) >= size)
throw cms::Exception("InvalidLinkBoardName") << "Expected _R[region], got " << name;
switch (name.at(pos)) {
case 'B':
lb_link.setRegion(0);
break;
case 'E':
lb_link.setRegion(1);
break;
default:
throw cms::Exception("InvalidLinkBoardName") << "Expected Region B or E, got " << name.at(pos) << " in " << name;
break;
}
if ((++pos) >= size)
throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
// yoke
next = name.find_first_not_of("+-0123456789", pos);
conv.clear();
conv.str(name.substr(pos, next - pos));
conv >> tmp;
lb_link.setYoke(tmp);
pos = next;
// sector
pos = name.find("_S", pos);
if (pos == std::string::npos || (pos += 2) >= size)
throw cms::Exception("InvalidLinkBoardName") << "Expected _S[sector], got " << name;
next = name.find_first_not_of("+-0123456789", pos);
conv.clear();
conv.str(name.substr(pos, next - pos));
conv >> tmp;
lb_link.setSector(tmp);
pos = next;
// (region) side
pos = name.find('_', pos);
if (pos == std::string::npos || (pos += 2) >= size)
throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
switch (name.at(pos)) {
case 'N':
lb_link.setSide(0);
break;
case 'M':
lb_link.setSide(1);
break;
case 'P':
lb_link.setSide(2);
break;
default:
throw cms::Exception("InvalidLinkBoardName") << "Expected Side N, M or P, got " << name.at(pos) << " in " << name;
break;
}
if ((++pos) >= size)
throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
// wheelordisk
conv.clear();
conv.str(name.substr(pos, 1));
conv >> tmp;
lb_link.setWheelOrDisk(tmp);
if ((++pos) >= size)
throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
// fibre
{
std::string fibre("123ABCDE");
char const* tmpchar = std::find(&(fibre[0]), &(fibre[0]) + 8, name.at(pos));
lb_link.setFibre(tmpchar - &(fibre[0]));
}
if ((++pos) >= size)
return;
// radial
next = name.find("_CH", pos);
if (next == std::string::npos)
next = size;
if (next - pos == 2) {
std::string radial = name.substr(pos, 2);
if (radial == "ab")
lb_link.setRadial(0);
else if (radial == "cd")
lb_link.setRadial(1);
}
if (next == size)
return;
// linkboard
pos = next;
if (pos + 3 >= size)
throw cms::Exception("InvalidLinkBoardName") << "Name too short: " << name;
pos += 3;
next = name.find_first_not_of("+-0123456789", pos);
conv.clear();
conv.str(name.substr(pos, next - pos));
conv >> tmp;
lb_link.setLinkBoard(tmp);
}
RPCLBLink RPCLBLinkNameParser::parse(std::string const& name) {
RPCLBLink lb_link;
parse(name, lb_link);
return lb_link;
}
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