41 lines
1 KiB
C++
41 lines
1 KiB
C++
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#ifndef RFL_ALLOF_HPP_
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#define RFL_ALLOF_HPP_
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#include <vector>
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#include "Result.hpp"
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#include "parsing/schema/ValidationType.hpp"
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namespace rfl {
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/// Requires that all of the contraints C and Cs be true.
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template <class C, class... Cs>
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struct AllOf {
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template <class T>
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static rfl::Result<T> validate(T _value) noexcept {
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return validate_impl<T, C, Cs...>(_value);
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}
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template <class T>
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static parsing::schema::ValidationType to_schema() {
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using ValidationType = parsing::schema::ValidationType;
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const auto types = std::vector<ValidationType>(
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{C::template to_schema<T>(), Cs::template to_schema<T>()...});
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return ValidationType{ValidationType::AllOf{.types_ = types}};
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}
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private:
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template <class T, class Head, class... Tail>
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static rfl::Result<T> validate_impl(T _value) noexcept {
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if constexpr (sizeof...(Tail) == 0) {
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return Head::validate(_value);
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} else {
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return Head::validate(_value).and_then(validate_impl<T, Tail...>);
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}
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}
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};
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} // namespace rfl
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#endif
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