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// Copyright 2022 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef THIRD_PARTY_CEL_CPP_BASE_VALUES_UINT_VALUE_H_
#define THIRD_PARTY_CEL_CPP_BASE_VALUES_UINT_VALUE_H_
#include <cstdint>
#include <string>
#include "absl/base/attributes.h"
#include "absl/log/absl_check.h"
#include "base/types/uint_type.h"
#include "base/value.h"
namespace cel {
class UintValue final : public base_internal::SimpleValue<UintType, uint64_t> {
private:
using Base = base_internal::SimpleValue<UintType, uint64_t>;
public:
ABSL_ATTRIBUTE_PURE_FUNCTION static std::string DebugString(uint64_t value);
using Base::kKind;
using Base::Is;
static const UintValue& Cast(const Value& value) {
ABSL_DCHECK(Is(value)) << "cannot cast " << value.type()->name()
<< " to uint";
return static_cast<const UintValue&>(value);
}
using Base::kind;
using Base::type;
std::string DebugString() const;
using Base::value;
private:
using Base::Base;
CEL_INTERNAL_SIMPLE_VALUE_MEMBERS(UintValue);
};
CEL_INTERNAL_SIMPLE_VALUE_STANDALONES(UintValue);
template <typename H>
H AbslHashValue(H state, const UintValue& value) {
return H::combine(std::move(state), value.value());
}
inline bool operator==(const UintValue& lhs, const UintValue& rhs) {
return lhs.value() == rhs.value();
}
namespace base_internal {
template <>
struct ValueTraits<UintValue> {
using type = UintValue;
using type_type = UintType;
using underlying_type = uint64_t;
static std::string DebugString(underlying_type value) {
return type::DebugString(value);
}
static std::string DebugString(const type& value) {
return value.DebugString();
}
static Handle<type> Wrap(ValueFactory& value_factory, underlying_type value);
static underlying_type Unwrap(underlying_type value) { return value; }
static underlying_type Unwrap(const Handle<type>& value) {
return Unwrap(value->value());
}
};
} // namespace base_internal
} // namespace cel
#endif // THIRD_PARTY_CEL_CPP_BASE_VALUES_UINT_VALUE_H_