/*
    Copyright (c) 2016 Wenzel Jakob <wenzel.jakob@epfl.ch>

    All rights reserved. Use of this source code is governed by a
    BSD-style license that can be found in the LICENSE file.
*/


#pragma once

#include "detail/common.h"

PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)

class options {
public:


    options() : previous_state(global_state()) {}


    options(const options&) = delete;
    options& operator=(const options&) = delete;


    ~options() {
        global_state() = previous_state;
    }



    options& disable_user_defined_docstrings() & { global_state().show_user_defined_docstrings = false; return *this; }

    options& enable_user_defined_docstrings() & { global_state().show_user_defined_docstrings = true; return *this; }

    options& disable_function_signatures() & { global_state().show_function_signatures = false; return *this; }

    options& enable_function_signatures() & { global_state().show_function_signatures = true; return *this; }



    static bool show_user_defined_docstrings() { return global_state().show_user_defined_docstrings; }

    static bool show_function_signatures() { return global_state().show_function_signatures; }


    void* operator new(size_t) = delete;

private:

    struct state {
        bool show_user_defined_docstrings = true;
        bool show_function_signatures = true;
    };

    static state &global_state() {
        static state instance;
        return instance;
    }

    state previous_state;
};

PYBIND11_NAMESPACE_END(PYBIND11_NAMESPACE)
