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44 lines
1.1 KiB
C++
44 lines
1.1 KiB
C++
//
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// Created by koncord on 12.01.19.
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//
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#pragma once
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#include "Utils.hpp"
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#include "Types.hpp"
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template<typename... Types>
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using Callback = void (*)(Types...);
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template<typename R>
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using FunctionEllipsis = R(*)(...);
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template<size_t N>
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static constexpr unsigned int CallbackIndex(const char(&str)[N])
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{
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return Utils::hash(str);
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}
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struct CallbackIdentity
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{
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const char* types;
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const unsigned int numargs;
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constexpr bool matches(const char* types, const unsigned int N = 0) const
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{
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return N < numargs ? this->types[N] == types[N] && matches(types, N + 1) : this->types[N] == types[N];
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}
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template<typename... Types>
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constexpr CallbackIdentity(Callback<Types...>) : types(TypeString<Types...>::value), numargs(sizeof(TypeString<Types...>::value) - 1) {}
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};
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struct ScriptCallbackData
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{
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const char* name;
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const unsigned long long index;
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const CallbackIdentity callback;
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template<size_t N>
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constexpr ScriptCallbackData(const char(&name)[N], CallbackIdentity _callback) : name(name), index(CallbackIndex(name)), callback(_callback) {}
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}; |