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69 lines (57 loc) · 2.29 KB
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// Copyright 2023 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.
#include "base/values/optional_value.h"
#include <cstdlib>
#include <string>
#include <utility>
#include "absl/log/absl_log.h"
#include "absl/status/statusor.h"
#include "absl/strings/str_cat.h"
#include "base/value.h"
#include "base/value_factory.h"
#include "internal/status_macros.h"
namespace cel {
template class Handle<OptionalValue>;
absl::StatusOr<Handle<OptionalValue>> OptionalValue::None(
ValueFactory& value_factory, Handle<Type> type) {
CEL_ASSIGN_OR_RETURN(
auto optional_type,
value_factory.type_factory().CreateOptionalType(std::move(type)));
return base_internal::HandleFactory<OptionalValue>::template Make<
base_internal::EmptyOptionalValue>(value_factory.memory_manager(),
std::move(optional_type));
}
absl::StatusOr<Handle<OptionalValue>> OptionalValue::Of(
ValueFactory& value_factory, Handle<Value> value) {
CEL_ASSIGN_OR_RETURN(
auto optional_type,
value_factory.type_factory().CreateOptionalType(value->type()));
return base_internal::HandleFactory<OptionalValue>::template Make<
base_internal::FullOptionalValue>(value_factory.memory_manager(),
std::move(optional_type),
std::move(value));
}
std::string OptionalValue::DebugString() const {
if (!has_value()) {
return "optional()";
}
return absl::StrCat("optional(", value()->DebugString(), ")");
}
namespace base_internal {
const Handle<Value>& EmptyOptionalValue::value() const {
ABSL_LOG(FATAL) << "cannot access value of empty optional"; // Crask OK
std::abort(); // Crash OK
}
} // namespace base_internal
} // namespace cel