79 lines
2.4 KiB
C++
79 lines
2.4 KiB
C++
// Copyright 2010-2025 Google LLC
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// emulates g3/net/proto2/contrib/parse_proto/parse_text_proto.h
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#ifndef ORTOOLS_BASE_PARSE_TEXT_PROTO_H_
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#define ORTOOLS_BASE_PARSE_TEXT_PROTO_H_
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#include <string>
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#include "absl/log/check.h"
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#include "absl/status/status.h"
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#include "absl/strings/string_view.h"
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#include "google/protobuf/message.h"
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#include "google/protobuf/text_format.h"
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#include "ortools/base/status_macros.h"
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namespace google::protobuf::contrib::parse_proto {
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template <typename T>
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absl::Status ParseTextProtoInto(absl::string_view input, T* proto) {
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if (google::protobuf::TextFormat::ParseFromString(input, proto))
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return absl::OkStatus();
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return absl::Status(absl::StatusCode::kInvalidArgument,
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"Could not parse the text proto\n");
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}
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template <typename T>
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absl::StatusOr<T> ParseTextProto(absl::string_view asciipb) {
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T msg;
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RETURN_IF_ERROR(ParseTextProtoInto(asciipb, &msg));
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return msg;
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}
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template <typename T>
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T ParseTextOrDie(absl::string_view input) {
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T result;
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CHECK(google::protobuf::TextFormat::ParseFromString(input, &result));
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return result;
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}
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namespace text_proto_internal {
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class ParseProtoHelper {
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public:
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explicit ParseProtoHelper(absl::string_view asciipb) : asciipb_(asciipb) {}
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template <class T>
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operator T() { // NOLINT(runtime/explicit)
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T result;
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const bool ok = google::protobuf::TextFormat::TextFormat::ParseFromString(
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asciipb_, &result);
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CHECK(ok) << "Failed to parse text proto: " << asciipb_;
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return result;
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}
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private:
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const std::string asciipb_;
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};
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} // namespace text_proto_internal
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inline text_proto_internal::ParseProtoHelper ParseTextProtoOrDie(
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absl::string_view input) {
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return text_proto_internal::ParseProtoHelper(input);
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}
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} // namespace google::protobuf::contrib::parse_proto
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#endif // ORTOOLS_BASE_PARSE_TEXT_PROTO_H_
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