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/*
* Copyright 2007-2017 Content Management AG
* All rights reserved.
*
* author: Max Kellermann <mk@cm4all.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef ODBUS_VALUES_HXX
#define ODBUS_VALUES_HXX
#include "Types.hxx"
#include "util/ConstBuffer.hxx"
#include <dbus/dbus.h>
#include <tuple>
namespace ODBus {
template<typename T>
struct BasicValue {
using Traits = TypeTraits<T>;
const T &value;
explicit constexpr BasicValue(const T &_value) noexcept
:value(_value) {}
};
struct String : BasicValue<const char *> {
explicit constexpr String(const char *const&_value) noexcept
:BasicValue(_value) {}
};
struct Boolean {
using Traits = BooleanTypeTraits;
dbus_bool_t value;
explicit constexpr Boolean(bool _value) noexcept
:value(_value) {}
};
using Uint32 = BasicValue<dbus_uint32_t>;
using Uint64 = BasicValue<dbus_uint64_t>;
template<typename T, template<typename U> class WrapTraits>
struct WrapValue {
using ContainedTraits = typename T::Traits;
using Traits = WrapTraits<ContainedTraits>;
const T &value;
explicit constexpr WrapValue(const T &_value) noexcept
:value(_value) {}
};
template<typename T>
struct WrapVariant : BasicValue<T> {
using ContainedTraits = typename T::Traits;
using Traits = VariantTypeTraits;
explicit constexpr WrapVariant(const T &_value) noexcept
:BasicValue<T>(_value) {}
};
template<typename T>
static WrapVariant<T> Variant(const T &_value) noexcept {
return WrapVariant<T>(_value);
}
template<typename T>
struct WrapFixedArray {
using ContainedTraits = TypeTraits<T>;
using Traits = ArrayTypeTraits<ContainedTraits>;
ConstBuffer<T> value;
explicit constexpr WrapFixedArray(const T *_data,
size_t _size) noexcept
:value(_data, _size) {}
};
template<typename T>
static WrapFixedArray<T> FixedArray(const T *_data,
size_t _size) noexcept {
return WrapFixedArray<T>(_data, _size);
}
template<typename... T>
struct WrapStruct {
using Traits = StructTypeTraits<T...>;
std::tuple<const T&...> values;
explicit constexpr WrapStruct(const T&... _values) noexcept
:values(_values...) {}
};
template<typename... T>
static WrapStruct<T...> Struct(const T&... values) noexcept {
return WrapStruct<T...>(values...);
}
} /* namespace ODBus */
#endif
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