/*************************************************************************

 *

 * Copyright (c) 2008-2020 Kohei Yoshida

 *

 * Permission is hereby granted, free of charge, to any person

 * obtaining a copy of this software and associated documentation

 * files (the "Software"), to deal in the Software without

 * restriction, including without limitation the rights to use,

 * copy, modify, merge, publish, distribute, sublicense, and/or sell

 * copies of the Software, and to permit persons to whom the

 * Software is furnished to do so, subject to the following

 * conditions:

 *

 * The above copyright notice and this permission notice shall be

 * included in all copies or substantial portions of the Software.

 *

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,

 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES

 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND

 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT

 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,

 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 * OTHER DEALINGS IN THE SOFTWARE.

 *

 ************************************************************************/

#ifndef INCLUDED_MDDS_GLOBAL_HPP

#define INCLUDED_MDDS_GLOBAL_HPP

#include <exception>

#include <string>

#include <memory>

#include <utility>

#include <type_traits>

/**

 * \def MDDS_ASCII(literal)

 *

 * Expands a \a literal string into two arguments: the first one is the

 * literal string itself, and the second one is the length of that string.

 *

 * Note that this macro only works with literal strings defined inline; it

 * does not work with pointer values that point to strings defined

 * elsewhere.

 */

#define MDDS_ASCII(literal) literal, sizeof(literal) - 1

/**

 * \def MDDS_N_ELEMENTS(name)

 *

 * Calculates the length of \a name array provided that the array definition

 * is given in the same compilation unit.

 *

 * @deprecated Please use \c std::size instead.

 */

#define MDDS_N_ELEMENTS(name) sizeof(name) / sizeof(name[0])

#ifdef __GNUC__

#define MDDS_DEPRECATED __attribute__((deprecated))

#elif defined(_MSC_VER)

#define MDDS_DEPRECATED __declspec(deprecated)

#else

#define MDDS_DEPRECATED

#endif

#ifndef MDDS_LOOP_UNROLLING

#define MDDS_LOOP_UNROLLING 1

#endif

#ifndef MDDS_USE_OPENMP

#define MDDS_USE_OPENMP 0

#endif

#if defined(__AVX__) || defined(__AVX2__)

#ifndef __SSE2__

#define __SSE2__ 1

#endif

#endif

namespace mdds {

class general_error : public ::std::exception

{

public:

    general_error(const ::std::string& msg) : m_msg(msg)

    {}

    virtual ~general_error() noexcept

    {}

    virtual const char* what() const noexcept

    {

        return m_msg.c_str();

    }

private:

    ::std::string m_msg;

};

class invalid_arg_error : public general_error

{

public:

    invalid_arg_error(const ::std::string& msg) : general_error(msg)

    {}

};

class size_error : public general_error

{

public:

    size_error(const std::string& msg) : general_error(msg)

    {}

};

class type_error : public general_error

{

public:

    type_error(const std::string& msg) : general_error(msg)

    {}

};

class integrity_error : public general_error

{

public:

    integrity_error(const std::string& msg) : general_error(msg)

    {}

};

namespace detail {

template<typename T>

class has_value_type

{

    using y_type = char;

    using n_type = long;

    template<typename U>

    static y_type test(typename U::value_type);

    template<typename U>

    static n_type test(...);

public:

    static constexpr bool value = sizeof(test<T>(0)) == sizeof(y_type);

};

template<typename T, typename IsConst>

struct const_or_not;

template<typename T>

struct const_or_not<T, std::true_type>

{

    using type = typename std::add_const<T>::type;

};

template<typename T>

struct const_or_not<T, std::false_type>

{

    using type = T;

};

template<typename T, bool Const>

using const_t = typename const_or_not<T, std::bool_constant<Const>>::type;

template<typename T, typename Mutable>

struct mutable_or_not;

template<typename T>

struct mutable_or_not<T, std::true_type>

{

    using type = T;

};

template<typename T>

struct mutable_or_not<T, std::false_type>

{

    using type = typename std::add_const<T>::type;

};

template<typename T, bool Mutable>

using mutable_t = typename mutable_or_not<T, std::bool_constant<Mutable>>::type;

template<typename T, typename IsConst>

struct get_iterator_type;

template<typename T>

struct get_iterator_type<T, std::true_type>

{

    using type = typename T::const_iterator;

};

template<typename T>

struct get_iterator_type<T, std::false_type>

{

    using type = typename T::iterator;

};

template<int T>

constexpr bool invalid_static_int()

{

    return false;

}

template<typename T, typename = void>

struct is_complete : std::false_type

{

};

template<typename T>

struct is_complete<T, std::void_t<decltype(sizeof(T) != 0)>> : std::true_type

{

};

} // namespace detail

} // namespace mdds

#endif