PyConfigReader.h

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// SPDX-FileCopyrightText: Deutsches Elektronen-Synchrotron DESY, MSK, ChimeraTK Project <chimeratk-support@desy.de>
// SPDX-License-Identifier: LGPL-3.0-or-later
#pragma once
 
#include <pybind11/pybind11.h>
// pybind11.h must come first
 
#include "ConfigReader.h"
 
#include <ChimeraTK/VariantUserTypes.h>
 
namespace py = pybind11;
 
namespace ChimeraTK {
 
  /********************************************************************************************************************/
 
  class PyConfigReader {
   public:
    explicit PyConfigReader(ConfigReader& wrappedReader) : _reader(wrappedReader) {}
 
    // Config reader provides this with two functions, we move it to one single function that has an optional
    // default value, and internally dispatches to either of the two get() functions depending on whether or not that
    // optional was passed in.
    UserTypeVariantNoVoid get(
        ChimeraTK::DataType dt, const std::string& path, std::optional<UserTypeVariantNoVoid> defaultValue);
 
    template<typename UserType>
    using Vector = std::vector<UserType>;
 
    // Variant of the above for getting arrays
    UserTypeTemplateVariantNoVoid<Vector> getArray(ChimeraTK::DataType dt, const std::string& path,
        std::optional<UserTypeTemplateVariantNoVoid<Vector>> defaultValue);
 
    std::list<std::string> getModules(const std::string& path) { return _reader.get().getModules(path); }
 
    static void bind(py::module& mod);
 
   private:
    std::reference_wrapper<ConfigReader> _reader;
  };
 
  /********************************************************************************************************************/
 
} // namespace ChimeraTK