ITkPixelCsvWaferIdAlg.h

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/*
Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef ITKPIXELBYTESTREAMCNV_ITKPIXELCSVWAFERIDALG_H
#define ITKPIXELBYTESTREAMCNV_ITKPIXELCSVWAFERIDALG_H
 
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "GaudiKernel/EventContext.h"
#include "GaudiKernel/ISvcLocator.h"
#include "Identifier/Identifier.h"
#include "InDetIdentifier/PixelID.h"
 
#include <atomic>
#include <string>
#include <vector>
#include <utility>
 
class PixelID;
 
class ITkPixelCsvWaferIdAlg : public AthReentrantAlgorithm {
public:
    struct CsvRow {
        std::string spChain;
        std::string md;
        int fe = -1;
    };
 
    ITkPixelCsvWaferIdAlg(const std::string& name, ISvcLocator* pSvcLocator);
    virtual ~ITkPixelCsvWaferIdAlg() = default;
 
    virtual StatusCode initialize() override;
    virtual StatusCode execute(const EventContext& ctx) const override;
 
    const std::vector<CsvRow>& rows() const { return m_rows; }
 
    StatusCode loadCsv();
    std::pair<Identifier,int> waferId(const CsvRow& row) const;
 
private:
    static std::string trim(const std::string& input);
    static std::vector<std::string> splitCsvLine(const std::string& line);
    static std::vector<std::string> parseSPChain(const std::string& spChain);
 
    // Helper functions implemented in the .cxx file
    int barrel_ec(const std::vector<std::string>& spchain) const;
    int layer_disk(const std::vector<std::string>& spchain) const;
    int phi_module(const std::vector<std::string>& spchain, const std::string& mod, int fe) const;
    int eta_module(const std::vector<std::string>& spchain, const std::string& mod, int fe) const;
    int feID(const std::vector<std::string>& spchain, int fe) const;
    Gaudi::Property<std::string> m_csvFile{this,
                                           "CsvFile",
                                           "AT2-IP-ES-0016_v1.41_INCOMPLETE-ModuleA_slim.csv",
                                           "CSV file containing SP chain, Module and FE columns"};
    Gaudi::Property<std::string> m_outputFile{this,
                                              "OutputFile",
                                              "ITkPixelWaferIds.txt",
                                              "Output text file for one 32-bit waferID per line"};
 
    const PixelID* m_pixIdHelper = nullptr;
    std::vector<CsvRow> m_rows;
 
    /*
    uint32_t htonl(const std::string &x) {
        unsigned char *s = (unsigned char *)x.c_str();
        return (uint32_t)(s[0] << 24 | s[1] << 16 | s[2] << 8 | s[3]);
    };
    */
    mutable std::atomic<bool> m_done{false};
};
 
#endif // ITKPIXELBYTESTREAMCNV_ITKPIXELCSVWAFERIDALG_H