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#include "CalibTracker/StandaloneTrackerTopology/interface/StandaloneTrackerTopology.h"
#include "tinyxml2.h"
#include "FWCore/Utilities/interface/Exception.h"
#include "DataFormats/SiStripDetId/interface/StripSubdetector.h"
namespace {
// split into tokens and convert them to uint32_t
inline std::vector<uint32_t> split_string_to_uints(const std::string& str) {
std::vector<uint32_t> out{};
std::size_t iStart{str.find_first_not_of(" ,\n")}, iEnd{};
while (std::string::npos != iStart) {
iEnd = str.find_first_of(" ,\n", iStart);
out.push_back(std::stoul(str.substr(iStart, iEnd), nullptr, 0));
iStart = str.find_first_not_of(" ,\n", iEnd);
}
return out;
}
class TrackerTopologyExtractor : public tinyxml2::XMLVisitor {
public:
bool VisitEnter(const tinyxml2::XMLElement& elem, const tinyxml2::XMLAttribute*) override {
if (std::strcmp(elem.Value(), "Vector") == 0) {
const std::string att_type{elem.Attribute("type")};
if (att_type == "numeric") {
const std::string att_name{elem.Attribute("name")};
if (0 == att_name.compare(0, SubdetName.size(), SubdetName)) { // starts with
const std::string att_nEntries{elem.Attribute("nEntries")};
const std::size_t nEntries = att_nEntries.empty() ? 0 : std::stoul(att_nEntries);
const auto vals = split_string_to_uints(elem.GetText());
if (nEntries != vals.size()) {
throw cms::Exception(
"StandaloneTrackerTopology",
("Problem parsing element with name '" + att_name + "': " + "'nEntries' attribute claims " +
std::to_string(nEntries) + " elements, but parsed " + std::to_string(vals.size())));
}
const auto subDet = std::stoi(att_name.substr(SubdetName.size()));
switch (subDet) {
case PixelSubdetector::PixelBarrel: // layer, ladder module
/*
In the case of the phase-2 IT there is an additional layer of hierarcy, due ot split sensors in Layer 1
What follows is a ugly hack, but at least is consistent with TrackerTopologyEP.cc
*/
if (vals.size() > 6) { // Phase 2: extra hierarchy level for 3D sensors
pxbVals_.layerStartBit_ = vals[0];
pxbVals_.ladderStartBit_ = vals[1];
pxbVals_.moduleStartBit_ = vals[2];
pxbVals_.doubleStartBit_ = vals[3];
pxbVals_.layerMask_ = vals[4];
pxbVals_.ladderMask_ = vals[5];
pxbVals_.moduleMask_ = vals[6];
pxbVals_.doubleMask_ = vals[7];
} else { // Phase-0 or Phase-1
pxbVals_.layerStartBit_ = vals[0];
pxbVals_.ladderStartBit_ = vals[1];
pxbVals_.moduleStartBit_ = vals[2];
pxbVals_.layerMask_ = vals[3];
pxbVals_.ladderMask_ = vals[4];
pxbVals_.moduleMask_ = vals[5];
}
foundPXB = true;
break;
case PixelSubdetector::PixelEndcap: // side, disk, blade, panel, module
pxfVals_.sideStartBit_ = vals[0];
pxfVals_.diskStartBit_ = vals[1];
pxfVals_.bladeStartBit_ = vals[2];
pxfVals_.panelStartBit_ = vals[3];
pxfVals_.moduleStartBit_ = vals[4];
pxfVals_.sideMask_ = vals[5];
pxfVals_.diskMask_ = vals[6];
pxfVals_.bladeMask_ = vals[7];
pxfVals_.panelMask_ = vals[8];
pxfVals_.moduleMask_ = vals[9];
foundPXF = true;
break;
case StripSubdetector::TIB: // layer, str_fw_bw, str_int_ext, str, module, ster
tibVals_.layerStartBit_ = vals[0];
tibVals_.str_fw_bwStartBit_ = vals[1];
tibVals_.str_int_extStartBit_ = vals[2];
tibVals_.strStartBit_ = vals[3];
tibVals_.moduleStartBit_ = vals[4];
tibVals_.sterStartBit_ = vals[5];
tibVals_.layerMask_ = vals[6];
tibVals_.str_fw_bwMask_ = vals[7];
tibVals_.str_int_extMask_ = vals[8];
tibVals_.strMask_ = vals[9];
tibVals_.moduleMask_ = vals[10];
tibVals_.sterMask_ = vals[11];
foundTIB = true;
break;
case StripSubdetector::TID: // side, wheel, ring, module_fw_bw, module, ster
tidVals_.sideStartBit_ = vals[0];
tidVals_.wheelStartBit_ = vals[1];
tidVals_.ringStartBit_ = vals[2];
tidVals_.module_fw_bwStartBit_ = vals[3];
tidVals_.moduleStartBit_ = vals[4];
tidVals_.sterStartBit_ = vals[5];
tidVals_.sideMask_ = vals[6];
tidVals_.wheelMask_ = vals[7];
tidVals_.ringMask_ = vals[8];
tidVals_.module_fw_bwMask_ = vals[9];
tidVals_.moduleMask_ = vals[10];
tidVals_.sterMask_ = vals[11];
foundTID = true;
break;
case StripSubdetector::TOB: // layer, rod_fw_bw, rod, module, ster
tobVals_.layerStartBit_ = vals[0];
tobVals_.rod_fw_bwStartBit_ = vals[1];
tobVals_.rodStartBit_ = vals[2];
tobVals_.moduleStartBit_ = vals[3];
tobVals_.sterStartBit_ = vals[4];
tobVals_.layerMask_ = vals[5];
tobVals_.rod_fw_bwMask_ = vals[6];
tobVals_.rodMask_ = vals[7];
tobVals_.moduleMask_ = vals[8];
tobVals_.sterMask_ = vals[9];
foundTOB = true;
break;
case StripSubdetector::TEC: // side, wheel, petal_fw_bw, petal, ring, module, ster
tecVals_.sideStartBit_ = vals[0];
tecVals_.wheelStartBit_ = vals[1];
tecVals_.petal_fw_bwStartBit_ = vals[2];
tecVals_.petalStartBit_ = vals[3];
tecVals_.ringStartBit_ = vals[4];
tecVals_.moduleStartBit_ = vals[5];
tecVals_.sterStartBit_ = vals[6];
tecVals_.sideMask_ = vals[7];
tecVals_.wheelMask_ = vals[8];
tecVals_.petal_fw_bwMask_ = vals[9];
tecVals_.petalMask_ = vals[10];
tecVals_.ringMask_ = vals[11];
tecVals_.moduleMask_ = vals[12];
tecVals_.sterMask_ = vals[13];
foundTEC = true;
break;
}
}
}
}
return true;
}
TrackerTopology getTrackerTopology() const {
if (!(foundPXB && foundPXF && foundTIB && foundTID && foundTOB && foundTEC)) {
throw cms::Exception("StandaloneTrackerTopology", "Could not find parameters for all tracker subdetectors");
}
return TrackerTopology(pxbVals_, pxfVals_, tecVals_, tibVals_, tidVals_, tobVals_);
}
private:
TrackerTopology::PixelBarrelValues pxbVals_;
TrackerTopology::PixelEndcapValues pxfVals_;
TrackerTopology::TIBValues tibVals_;
TrackerTopology::TIDValues tidVals_;
TrackerTopology::TOBValues tobVals_;
TrackerTopology::TECValues tecVals_;
bool foundPXB = false, foundPXF = false, foundTIB = false, foundTID = false, foundTOB = false, foundTEC = false;
const std::string SubdetName = "Subdetector";
};
} // namespace
namespace StandaloneTrackerTopology {
TrackerTopology fromTrackerParametersXMLFile(const std::string& xmlFileName) {
tinyxml2::XMLDocument xmlDoc;
xmlDoc.LoadFile(xmlFileName.c_str());
if (!xmlDoc.Error()) {
TrackerTopologyExtractor extr{};
xmlDoc.Accept(&extr);
return extr.getTrackerTopology();
} else {
throw cms::Exception("StandaloneTrackerTopology",
std::string{"Failed to parse file "} + xmlFileName + ": " + xmlDoc.ErrorStr());
}
}
TrackerTopology fromTrackerParametersXMLString(const std::string& xmlContent) {
tinyxml2::XMLDocument xmlDoc;
xmlDoc.Parse(xmlContent.c_str());
if (!xmlDoc.Error()) {
TrackerTopologyExtractor extr{};
xmlDoc.Accept(&extr);
return extr.getTrackerTopology();
} else {
throw cms::Exception("StandaloneTrackerTopology", std::string{"Error while parsing XML: "} + xmlDoc.ErrorStr());
}
}
} // namespace StandaloneTrackerTopology
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