File size: 1,189 Bytes
d1be154 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | // 2020/08/28 - Created by netcan: https://github.com/netcan
#pragma once
#include "../core/flow_builder.hpp"
#include "../core/task.hpp"
#include "type_list.hpp"
#include <type_traits>
namespace tf {
namespace dsl {
struct TaskSignature {};
template <typename TASK, typename CONTEXT> struct TaskCb {
using TaskType = TASK;
void build(FlowBuilder &build, const CONTEXT &context) {
task_ = build.emplace(TaskType{context}());
}
Task task_;
};
template <typename TASK> struct IsTask {
template <typename TaskCb> struct apply {
constexpr static bool value =
std::is_same<typename TaskCb::TaskType, TASK>::value;
};
};
template <typename TASK, typename = void> struct TaskTrait;
template <typename... TASK> struct SomeTask {
using TaskList =
Unique_t<Flatten_t<TypeList<typename TaskTrait<TASK>::TaskList...>>>;
};
// a task self
template <typename TASK>
struct TaskTrait<
TASK, std::enable_if_t<std::is_base_of<TaskSignature, TASK>::value>> {
using TaskList = TypeList<TASK>;
};
template <typename... TASK> struct TaskTrait<SomeTask<TASK...>> {
using TaskList = typename SomeTask<TASK...>::TaskList;
};
} // namespace dsl
} // namespace tf
|