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