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Major redesign WIP. · Albert-Coder/cpp.react@d13b3f4 · GitHub

/ cpp.react Public
forked from snakster/cpp.react

Commit d13b3f4

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schlangster
committed
Major redesign WIP.
1 parent 46dee49 commit d13b3f4

37 files changed

Lines changed: 1920 additions & 3287 deletions

‎examples/src/BasicSignals.cpp‎

Lines changed: 31 additions & 6 deletions
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@@ -11,10 +11,8 @@
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#include <utility>
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#include <vector>
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#include "react/Domain.h"
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#include "react/Signal.h"
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#include "react/Observer.h"
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/*
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/// Example 1 - Hello world
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Defines a domain.
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// Each domain represents a separate dependency graph, managed by a dedicated propagation engine.
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// Reactives of different domains can not be combined.
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REACTIVE_DOMAIN(D, sequential)
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ReactiveGroup
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// Define type aliases for the given domain in this namespace.
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// Now we can use VarSignalT instead of D::VarSignalT.
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namespace v1
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{
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// The two words
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VarSignalT<string> firstWord = MakeVar<D>(string("Change"));
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VarSignalT<string> secondWord = MakeVar<D>(string("me!"));
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VarSignalT<string> firstWord( string("Change") );
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VarSignalT<string> secondWord( string("me!") );
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SignalT<string> bothWords = MakeSignal(With(firstWord,secondWord), concatFunc);
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@@ -388,5 +386,32 @@ int main()
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example5::v2::Run();
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example5::v3::Run();
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return 0;
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}
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*/
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using namespace react;
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int main()
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{
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auto group = ReactiveGroup<shared>( );
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auto sig1 = VarSignal<int, unique>( 1, group );
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auto sig2 = VarSignal<int, shared>( 2, group );
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sig1.Set(1);
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sig1 <<= 1;
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sig2.Modify([] (int& value) { value = 3; });
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group.DoTransaction(
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[&]
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{
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sig1 <<= 2;
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});
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auto sig3 = Signal<int, unique>( [] (auto a, auto b) { return a + b; }, sig1, sig2 );
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return 0;
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}

‎include/react/API.h‎

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// Copyright Sebastian Jeckel 2016.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef REACT_API_H_INCLUDED
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#define REACT_API_H_INCLUDED
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#pragma once
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#include "react/detail/Defs.h"
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#include "react/common/Util.h"
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/*****************************************/ REACT_BEGIN /*****************************************/
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/// API constants
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///////////////////////////////////////////////////////////////////////////////////////////////////
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enum OwnershipPolicy
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{
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unique,
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shared
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};
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enum ThreadingPolicy
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{
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sequential,
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concurrent
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};
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enum class WeightHint
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{
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automatic,
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light,
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heavy
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};
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enum class TransactionFlags
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{
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none = 1 << 0,
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allow_merging = 1 << 1
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};
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REACT_DEFINE_BITMASK_OPERATORS(TransactionFlags)
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/// API types
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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Groups
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template <OwnershipPolicy = unique>
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class ReactiveGroup;
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// Signals
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template <typename T>
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class SignalBase;
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template <typename T>
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class VarSignalBase;
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template <typename T, OwnershipPolicy = unique>
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class Signal;
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template <typename T, OwnershipPolicy = unique>
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class VarSignal;
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// Events
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template <typename T>
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class EventBase;
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template <typename T>
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class EventSourceBase;
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template <typename T, OwnershipPolicy = unique>
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class Event;
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template <typename T, OwnershipPolicy = unique>
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class EventSource;
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enum class Token;
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// Observers
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class Observer;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/// Traits
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///////////////////////////////////////////////////////////////////////////////////////////////////
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template <typename T>
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struct IsSignal { static const bool value = false; };
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template <typename T, OwnershipPolicy ownership_policy>
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struct IsSignal<Signal<T, ownership_policy>> { static const bool value = true; };
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template <typename T, OwnershipPolicy ownership_policy>
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struct IsSignal<VarSignal<T, ownership_policy>> { static const bool value = true; };
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template <typename T>
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struct IsEvent { static const bool value = false; };
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template <typename T, OwnershipPolicy ownership_policy>
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struct IsEvent<Event<T, ownership_policy>> { static const bool value = true; };
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template <typename T, OwnershipPolicy ownership_policy>
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struct IsEvent<EventSource<T, ownership_policy>> { static const bool value = true; };
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template <typename T>
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struct AsNonInputNode { using type = T; };
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template <typename T, OwnershipPolicy ownership_policy>
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struct AsNonInputNode<VarSignal<T, ownership_policy>> { using type = Signal<T, ownership_policy>; };
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template <typename T, OwnershipPolicy ownership_policy>
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struct AsNonInputNode<EventSource<T, ownership_policy>> { using type = Event<T, ownership_policy>; };
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/******************************************/ REACT_END /******************************************/
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#endif // REACT_TYPETRAITS_H_INCLUDED

‎include/react/Algorithm.h‎

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#include <type_traits>
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#include <utility>
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#include "react/API.h"
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#include "react/detail/graph/AlgorithmNodes.h"
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/*****************************************/ REACT_BEGIN /*****************************************/
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/// Forward declarations
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///////////////////////////////////////////////////////////////////////////////////////////////////
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template <typename T>
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class Signal;
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template <typename T>
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class VarSignal;
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template <typename T>
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class Events;
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template <typename T>
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class EventSource;
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enum class Token;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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/// Hold - Hold the most recent event in a signal
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///////////////////////////////////////////////////////////////////////////////////////////////////
42-
template <typename T, typename V>
43-
auto Hold(const Events<T>& events, V&& init) -> Signal<T>
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template <typename T, typename U>
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auto Hold(const Events<T>& events, U&& init) -> Signal<T>
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{
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using REACT_IMPL::HoldNode;
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