mps_converter.h

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// Copyright 2010-2025 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
//
//     http://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 ORTOOLS_MATH_OPT_IO_MPS_CONVERTER_H_
#define ORTOOLS_MATH_OPT_IO_MPS_CONVERTER_H_
 
#include <string>
 
#include "absl/status/statusor.h"
#include "absl/strings/string_view.h"
#include "ortools/math_opt/model.pb.h"
 
namespace operations_research::math_opt {
 
// Returns the model in MPS format.
//
// The RemoveNames() function can be used on the model to remove names if they
// should not be exported.
absl::StatusOr<std::string> ModelProtoToMps(const ModelProto& model);
 
// Converts a string with the contents of an MPS file into a ModelProto.
absl::StatusOr<ModelProto> MpsToModelProto(absl::string_view mps_data);
 
// Reads an MPS file and converts it to a ModelProto (like MpsToModelProto
// above, but takes a file name instead of the file contents and reads the file.
//
// The file can be stored as plain text or gzipped (with the .gz extension).
//
absl::StatusOr<ModelProto> ReadMpsFile(absl::string_view filename);
 
}  // namespace operations_research::math_opt
 
#endif  // ORTOOLS_MATH_OPT_IO_MPS_CONVERTER_H_