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// Copyright 2010-2018 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.
// A Project Scheduling Library parser.
// See: http://www.om-db.wi.tum.de/psplib/ # PSP-Lib homepage.
#ifndef OR_TOOLS_DATA_RCPSP_PARSER_H_
#define OR_TOOLS_DATA_RCPSP_PARSER_H_
#include <string>
#include <vector>
#include "ortools/base/integral_types.h"
#include "ortools/data/rcpsp.pb.h"
namespace operations_research {
namespace data {
namespace rcpsp {
// RCPSP parser.
// Parse a RCPSP problem and load it into a RcpspProblem proto.
// See description of the problem in ./rcpsp.proto
class RcpspParser {
public:
RcpspParser();
// We keep the fully qualified name for swig.
::operations_research::data::rcpsp::RcpspProblem problem() const {
return rcpsp_;
}
// Returns false if an error occurred.
bool ParseFile(const std::string& file_name);
private:
enum LoadStatus {
NOT_STARTED,
HEADER_SECTION,
PROJECT_SECTION,
INFO_SECTION,
PRECEDENCE_SECTION,
REQUEST_SECTION,
RESOURCE_SECTION,
RESOURCE_MIN_SECTION,
PARSING_FINISHED,
ERROR_FOUND
};
void ProcessRcpspLine(const std::string& line);
void ProcessPattersonLine(const std::string& line);
void ProcessRcpspMaxLine(const std::string& line);
void ReportError(const std::string& line);
// Sets the number of declared tasks, and initialize data structures
// accordingly.
void SetNumDeclaredTasks(int t);
int strtoint32(const std::string& word);
int64 strtoint64(const std::string& word);
std::string basedata_;
int64 seed_;
LoadStatus load_status_;
int num_declared_tasks_;
int current_task_;
std::vector<std::vector<int> > temp_delays_;
std::vector<int> recipe_sizes_;
int unreads_;
RcpspProblem rcpsp_;
};
} // namespace rcpsp
} // namespace data
} // namespace operations_research
#endif // OR_TOOLS_DATA_RCPSP_PARSER_H_
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