OR-Tools  8.2
jobshop_scheduling_parser.h
Go to the documentation of this file.
1 // Copyright 2010-2018 Google LLC
2 // Licensed under the Apache License, Version 2.0 (the "License");
3 // you may not use this file except in compliance with the License.
4 // You may obtain a copy of the License at
5 //
6 // http://www.apache.org/licenses/LICENSE-2.0
7 //
8 // Unless required by applicable law or agreed to in writing, software
9 // distributed under the License is distributed on an "AS IS" BASIS,
10 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11 // See the License for the specific language governing permissions and
12 // limitations under the License.
13 
14 #ifndef OR_TOOLS_DATA_JOBSHOP_SCHEDULING_PARSER_H_
15 #define OR_TOOLS_DATA_JOBSHOP_SCHEDULING_PARSER_H_
16 
17 #include "absl/strings/match.h"
19 #include "ortools/data/jobshop_scheduling.pb.h"
20 
21 namespace operations_research {
22 namespace data {
23 namespace jssp {
24 
25 class JsspParser {
26  public:
27  enum ProblemType {
34  PSS,
36  };
37 
38  enum ParserState {
51  DONE
52  };
53 
55 
56  // Parses a file to load a jobshop problem.
57  // Tries to auto detect the file format.
58  bool ParseFile(const std::string& filename);
59 
60  // Returns the loaded problem.
61  const JsspInputProblem& problem() const { return problem_; }
62 
63  private:
64  void ProcessJsspLine(const std::string& line);
65  void ProcessTaillardLine(const std::string& line);
66  void ProcessFlexibleLine(const std::string& line);
67  void ProcessSdstLine(const std::string& line);
68  void ProcessTardinessLine(const std::string& line);
69  void ProcessPssLine(const std::string& line);
70  void ProcessEarlyTardyLine(const std::string& line);
71 
72  void SetJobs(int job_count);
73  void SetMachines(int machine_count);
74  int strtoint32(const std::string& word);
75  int64 strtoint64(const std::string& word);
76 
77  JsspInputProblem problem_;
78  int declared_machine_count_ = -1;
79  int declared_job_count_ = -1;
80  int current_job_index_ = 0;
81  int current_machine_index_ = 0;
82  int transition_index_ = 0;
83  ProblemType problem_type_ = UNDEFINED;
84  ParserState parser_state_ = START;
85 };
86 
87 } // namespace jssp
88 } // namespace data
89 } // namespace operations_research
90 
91 #endif // OR_TOOLS_DATA_JOBSHOP_SCHEDULING_PARSER_H_
int64_t int64
The vehicle routing library lets one model and solve generic vehicle routing problems ranging from th...