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Protocol buffer
AnyToJsonConverter implementation
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2024 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. | ||
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| #include "extensions/protobuf/json.h" | ||
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| #include "absl/memory/memory.h" | ||
| #include "absl/status/status.h" | ||
| #include "absl/status/statusor.h" | ||
| #include "absl/strings/cord.h" | ||
| #include "absl/strings/str_cat.h" | ||
| #include "absl/strings/string_view.h" | ||
| #include "common/any.h" | ||
| #include "common/json.h" | ||
| #include "extensions/protobuf/internal/json.h" | ||
| #include "google/protobuf/descriptor.h" | ||
| #include "google/protobuf/message.h" | ||
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| namespace cel::extensions { | ||
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| absl::StatusOr<Json> ProtoAnyToJsonConverter::ConvertToJson( | ||
| absl::string_view type_url, const absl::Cord& value) { | ||
| absl::string_view type_name; | ||
| if (!ParseTypeUrl(type_url, &type_name)) { | ||
| return absl::InvalidArgumentError( | ||
| absl::StrCat("invalid type URL: ", type_url)); | ||
| } | ||
| const auto* descriptor = pool_->FindMessageTypeByName(type_name); | ||
| if (descriptor == nullptr) { | ||
| return absl::NotFoundError( | ||
| absl::StrCat("unable to locate descriptor for `", type_name, "`")); | ||
| } | ||
| const auto* prototype = factory_->GetPrototype(descriptor); | ||
| if (prototype == nullptr) { | ||
| return absl::NotFoundError( | ||
| absl::StrCat("unable to create prototype for `", type_name, "`")); | ||
| } | ||
| auto message = absl::WrapUnique(prototype->New()); | ||
| if (!message->ParsePartialFromCord(value)) { | ||
| return absl::InvalidArgumentError( | ||
| absl::StrCat("failed to parse `", type_name, "`")); | ||
| } | ||
| return protobuf_internal::ProtoMessageToJson(*this, *message); | ||
| } | ||
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| } // namespace cel::extensions |
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| Original file line number | Diff line number | Diff line change |
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| // Copyright 2024 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. | ||
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| #ifndef THIRD_PARTY_CEL_CPP_EXTENSIONS_PROTOBUF_JSON_H_ | ||
| #define THIRD_PARTY_CEL_CPP_EXTENSIONS_PROTOBUF_JSON_H_ | ||
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| #include "absl/base/nullability.h" | ||
| #include "absl/status/statusor.h" | ||
| #include "absl/strings/cord.h" | ||
| #include "absl/strings/string_view.h" | ||
| #include "common/json.h" | ||
| #include "google/protobuf/descriptor.h" | ||
| #include "google/protobuf/message.h" | ||
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| namespace cel::extensions { | ||
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| class ProtoAnyToJsonConverter final : public AnyToJsonConverter { | ||
| public: | ||
| ProtoAnyToJsonConverter(absl::Nonnull<const google::protobuf::DescriptorPool*> pool, | ||
| absl::Nonnull<google::protobuf::MessageFactory*> factory) | ||
| : pool_(pool), factory_(factory) {} | ||
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| absl::StatusOr<Json> ConvertToJson(absl::string_view type_url, | ||
| const absl::Cord& value) override; | ||
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| private: | ||
| const google::protobuf::DescriptorPool* const pool_; | ||
| google::protobuf::MessageFactory* const factory_; | ||
| }; | ||
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| } // namespace cel::extensions | ||
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| #endif // THIRD_PARTY_CEL_CPP_EXTENSIONS_PROTOBUF_JSON_H_ |