MultiParser.H

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#ifndef MULTIPARSER_H
#define MULTIPARSER_H
 
#include "src/core/vs/vector_space.H"
#include "AMReX_ParmParse.H"
 
namespace kynema_sgf::utils {

class MultiParser
{
public:
    MultiParser(const std::string& default_prefix, const std::string& prefix)
        : m_pp_default(default_prefix), m_pp(prefix)
    {}

    [[nodiscard]] const amrex::ParmParse& default_params() const
    {
        return m_pp_default;
    }

    [[nodiscard]] const amrex::ParmParse& params() const { return m_pp; }

    [[nodiscard]] bool contains(const std::string& name) const
    {
        return m_pp.contains(name) || m_pp_default.contains(name);
    }

    void get(const std::string& name, vs::Vector& value) const
    {
        amrex::Vector<vs::Vector::value_type> val;
        getarr(name, val);
        AMREX_ALWAYS_ASSERT_WITH_MESSAGE(
            val.size() == AMREX_SPACEDIM,
            "name = " + name + ", val.size() = " + std::to_string(val.size()) +
                ", AMREX_SPACEDIM = " + std::to_string(AMREX_SPACEDIM));
        value.x() = val[0];
        value.y() = val[1];
        value.z() = val[2];
    }

    void query(const std::string& name, vs::Vector& value) const
    {
        amrex::Vector<vs::Vector::value_type> val;
        queryarr(name, val);
        if (!val.empty()) {
            AMREX_ALWAYS_ASSERT_WITH_MESSAGE(
                val.size() == AMREX_SPACEDIM,
                "name = " + name +
                    ", val.size() = " + std::to_string(val.size()) +
                    ", AMREX_SPACEDIM = " + std::to_string(AMREX_SPACEDIM));
            value.x() = val[0];
            value.y() = val[1];
            value.z() = val[2];
        }
    }

    void get_either(const std::string& name, vs::Vector& value) const
    {
        amrex::Vector<vs::Vector::value_type> val;
        getarr(name, val);
        AMREX_ALWAYS_ASSERT_WITH_MESSAGE(
            val.size() == AMREX_SPACEDIM || val.size() == 1,
            "name = " + name + ", val.size() = " + std::to_string(val.size()) +
                ", AMREX_SPACEDIM = " + std::to_string(AMREX_SPACEDIM));
        if (val.size() == 1) {
            value.x() = val[0];
            value.y() = val[0];
            value.z() = val[0];
        } else {
            value.x() = val[0];
            value.y() = val[1];
            value.z() = val[2];
        }
    }

    void query_either(const std::string& name, vs::Vector& value) const
    {
        amrex::Vector<vs::Vector::value_type> val;
        queryarr(name, val);
        if (!val.empty()) {
            AMREX_ALWAYS_ASSERT_WITH_MESSAGE(
                val.size() == AMREX_SPACEDIM || val.size() == 1,
                "name = " + name +
                    ", val.size() = " + std::to_string(val.size()) +
                    ", AMREX_SPACEDIM = " + std::to_string(AMREX_SPACEDIM));
            if (val.size() == 1) {
                value.x() = val[0];
                value.y() = val[0];
                value.z() = val[0];
            } else {
                value.x() = val[0];
                value.y() = val[1];
                value.z() = val[2];
            }
        }
    }

    template <typename T>
    void get(const std::string& name, T& value) const
    {
        if (m_pp.contains(name)) {
            m_pp.get(name, value);
        } else {
            m_pp_default.get(name, value);
        }
    }

    template <typename T>
    void getarr(const std::string& name, T& value) const
    {
        if (m_pp.contains(name)) {
            m_pp.getarr(name, value);
        } else {
            m_pp_default.getarr(name, value);
        }
    }

    template <typename T>
    void query(const std::string& name, T& value) const
    {
        m_pp_default.query(name, value);
        m_pp.query(name, value);
    }

    template <typename T>
    void queryarr(const std::string& name, T& value) const
    {
        m_pp_default.queryarr(name, value);
        m_pp.queryarr(name, value);
    }
 
private:
    amrex::ParmParse m_pp_default;
    amrex::ParmParse m_pp;
};
 
} // namespace kynema_sgf::utils
 
#endif /* MULTIPARSER_H */