neuron/src/CommandLineParser.cc

0001 //
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0025 //
0026 /// \file CommandLineParser.cc
0027 /// \brief Implementation of the G4DNAPARSER::CommandLineParser class
0028
0029 // This example is provided by the Geant4-DNA collaboration
0030 // Any report or published results obtained using the Geant4-DNA software
0031 // shall cite the following Geant4-DNA collaboration publication:
0032 // Med. Phys. 37 (2010) 4692-4708
0033 // J. Comput. Phys. 274 (2014) 841-882
0034 // The Geant4-DNA web site is available at http://geant4-dna.org
0035 //
0036 // Author: Mathieu Karamitros
0037 //
0038 //
0039
0040 #include "CommandLineParser.hh"
0041
0042 #include <iomanip>
0043
0044 using namespace std;
0045 using namespace G4DNAPARSER;
0046
0047 CommandLineParser* CommandLineParser::fpInstance(0);
0048 G4String Command::fNoOption = "NoOption";
0049
0050 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0051
0052 inline bool MATCH(const char* a, const char* b)
0053 {
0054   return strcmp(a, b) == 0;
0055 }
0056
0057 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0058
0059 CommandLineParser::CommandLineParser()
0060 {
0061   // G4cout << "############ NEW PARSE ##########" << G4endl;
0062   fpInstance = this;
0063   fOptionsWereSetup = false;
0064   fMaxMarkerLength = 0;
0065   fMaxOptionNameLength = 0;
0066   AddCommand("--help", Command::WithoutOption, "Print this help");
0067   AddCommand("-h", Command::WithoutOption, "Print this help");
0068   AddCommand("&", Command::WithoutOption);
0069
0070   fVerbose = 0;
0071 }
0072
0073 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0074
0075 CommandLineParser* CommandLineParser::GetParser()
0076 {
0077   if (!fpInstance) new CommandLineParser;
0078   return fpInstance;
0079 }
0080
0081 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0082
0083 CommandLineParser::~CommandLineParser()
0084 {
0085   std::map<G4String, Command*>::iterator it = fCommandMap.begin();
0086   for (; it != fCommandMap.end(); it++) {
0087     if (it->second) delete it->second;
0088   }
0089 }
0090
0091 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0092
0093 void CommandLineParser::DeleteInstance()
0094 {
0095   if (fpInstance) {
0096     delete fpInstance;
0097     fpInstance = 0;
0098   }
0099 }
0100
0101 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0102
0103 Command::Command(Command::Type commandType, const G4String& description)
0104 {
0105   fType = commandType;
0106   fDescription = description;
0107   fActive = false;
0108 }
0109
0110 CommandWithOption::CommandWithOption(Command::Type commandType, const G4String& description,
0111                                      const G4String& defaultOption, const G4String& optionName)
0112   : Command(commandType, description)
0113 {
0114   fDefaultOption = defaultOption;
0115   fOptionName = optionName;
0116   fOption = "";
0117 }
0118
0119 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0120
0121 int CommandLineParser::Parse(int& argc, char** argv)
0122 {
0123   //    G4cout << "Parse " << G4endl;
0124   static char null[1] = {""};
0125   int firstArgc = argc;
0126
0127   for (int i = 1; i < firstArgc; i++) {
0128     Command* command = FindCommand(argv[i]);
0129     if (command == 0) continue;
0130
0131     if (fVerbose) G4cout << "Command : " << argv[i] << G4endl;
0132
0133     fOptionsWereSetup = true;
0134     command->fActive = true;
0135
0136     G4String marker(argv[i]);
0137
0138     if (strcmp(argv[i], "-h") != 0 && strcmp(argv[i], "--help") != 0) {
0139       argv[i] = null;
0140     }
0141
0142     if (command->fType == Command::WithOption) {
0143       if (fVerbose) G4cout << "WithOption" << G4endl;
0144
0145       if (i + 1 > firstArgc || argv[i + 1] == 0 || argv[i + 1][0] == '-') {
0146         G4cerr << "An command line option is missing for " << marker << G4endl;
0147         abort();
0148       }
0149
0150       command->SetOption((const char*)strdup(argv[i + 1]));
0151       argv[i + 1] = null;
0152       i++;
0153     }
0154     else if (command->fType == Command::OptionNotCompulsory) {
0155       if (fVerbose) G4cout << "OptionNotCompulsory" << G4endl;
0156
0157       if (i + 1 < firstArgc) {
0158         G4String buffer = (const char*)strdup(argv[i + 1]);
0159
0160         if (buffer.empty() == false) {
0161           if (buffer.at(0) != '-' && buffer.at(0) != '&' && buffer.at(0) != '>'
0162               && buffer.at(0) != '|')
0163           {
0164             if (fVerbose) {
0165               G4cout << "facultative option is : " << buffer << G4endl;
0166             }
0167
0168             command->SetOption((const char*)strdup(argv[i + 1]));
0169             argv[i + 1] = null;
0170             i++;
0171             continue;
0172           }
0173         }
0174       }
0175
0176       if (fVerbose) G4cout << "Option not set" << G4endl;
0177
0178       command->SetOption("");
0179     }
0180   }
0181   CorrectRemainingOptions(argc, argv);
0182
0183   Command* commandLine(0);
0184   if ((commandLine = GetCommandIfActive("--help")) || (commandLine = GetCommandIfActive("-h"))) {
0185     G4cout << "Usage : " << argv[0] << " [OPTIONS]" << G4endl;
0186     PrintHelp();
0187     return 1;
0188   }
0189
0190   return 0;
0191 }
0192
0193 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0194
0195 void CommandLineParser::PrintHelp()
0196 {
0197   std::map<G4String, Command*>::iterator it;
0198
0199   int maxFieldLength = fMaxMarkerLength + fMaxOptionNameLength + 4;
0200
0201   G4cout << "Options: " << G4endl;
0202
0203   for (it = fCommandMap.begin(); it != fCommandMap.end(); it++) {
0204     Command* command = it->second;
0205     if (command) {
0206       G4cout << setw(maxFieldLength) << left;
0207
0208       G4String toPrint = it->first;
0209
0210       if (toPrint == "&") {
0211         continue;
0212       }
0213       else if (toPrint == "-h")
0214         continue;
0215       else if (toPrint == "--help") {
0216         toPrint += ", -h";
0217       }
0218
0219       if (command->GetDefaultOption() != "") {
0220         toPrint += " \"" + command->GetDefaultOption() + "\"";
0221       }
0222
0223       G4cout << toPrint;
0224
0225       G4cout << command->GetDescription() << G4endl;
0226     }
0227   }
0228 }
0229
0230 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0231
0232 void CommandLineParser::CorrectRemainingOptions(int& argc, char** argv)
0233 {
0234   // remove handled arguments from argument array
0235   int j = 0;
0236   for (int i = 0; i < argc; i++) {
0237     if (strcmp(argv[i], "")) {
0238       argv[j] = argv[i];
0239       j++;
0240     }
0241   }
0242   argc = j;
0243 }
0244
0245 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0246
0247 void CommandLineParser::AddCommand(const G4String& marker, Command::Type type,
0248                                    const G4String& description, const G4String& defaultOption,
0249                                    const G4String& optionName)
0250 {
0251   // G4cout << "Add command : "<< marker << G4endl;
0252
0253   Command* command = 0;
0254   switch (type) {
0255     case Command::WithoutOption:
0256       command = new Command(type, description);
0257       break;
0258
0259     default:
0260       command = new CommandWithOption(type, description, defaultOption, optionName);
0261       if ((int)defaultOption.length() > fMaxOptionNameLength)
0262         fMaxOptionNameLength = defaultOption.length();
0263       break;
0264   }
0265
0266   if ((int)marker.length() > fMaxMarkerLength) fMaxMarkerLength = marker.length();
0267   fCommandMap.insert(make_pair(marker, command));
0268 }
0269
0270 /*
0271 // Add one command but multiple markers
0272 void Parser::AddCommand(vector<G4String> markers,
0273                         CommandType type,
0274                         const G4String& description,
0275                         const G4String& optionName)
0276 {
0277   // G4cout << "Add command : "<< marker << G4endl;
0278   Command* command = new Command(type, description, optionName);
0279
0280   for (size_t i = 0; i < markers.size; i++)
0281   {
0282     G4String marker = markers[i];
0283     if ((int) marker.length() > fMaxMarkerLength)
0284     {
0285       fMaxMarkerLength = marker.length();
0286     }
0287     if ((int) optionName.length() > fMaxOptionNameLength)
0288     {
0289       fMaxOptionNameLength = optionName.length();
0290     }
0291     fCommandMap.insert(make_pair(marker, command));
0292   }
0293 }
0294 */
0295
0296 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0297
0298 Command* CommandLineParser::FindCommand(const G4String& marker)
0299 {
0300   std::map<G4String, Command*>::iterator it = fCommandMap.find(marker);
0301   if (it == fCommandMap.end()) {
0302     // G4cerr << "command not found" << G4endl;
0303     return 0;
0304   }
0305   return it->second;
0306 }
0307
0308 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0309
0310 Command* CommandLineParser::GetCommandIfActive(const G4String& marker)
0311 {
0312   Command* command = FindCommand(marker);
0313   if (command) {
0314     // G4cout << "Command found : "<< marker << G4endl;
0315
0316     if (command->fActive) {
0317       // G4cout << "Command Active" << G4endl;
0318       return command;
0319     }
0320     // else
0321     //  G4cout <<"Command not active" << G4endl;
0322   }
0323   else {
0324     G4ExceptionDescription description;
0325     description << "You try to retrieve a command that was not registered : " << marker << G4endl;
0326     G4Exception("CommandLineParser::GetCommandIfActive", "COMMAND LINE NOT DEFINED", FatalException,
0327                 description, "");
0328     // If you are using this class outside of Geant4, use exit(-1) instead
0329     // exit(-1);
0330   }
0331   return 0;
0332 }
0333
0334 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
0335
0336 bool CommandLineParser::CheckIfNotHandledOptionsExists(int& argc, char** argv)
0337 {
0338   if (argc > 0) {
0339     G4bool kill = false;
0340     for (G4int i = 1; i < argc; i++) {
0341       if (strcmp(argv[i], "")) {
0342         kill = true;
0343         G4cerr << "Unknown argument : " << argv[i] << "\n";
0344       }
0345     }
0346     if (kill) {
0347       G4cerr << "The option " << argv[0] << " is not handled this programme." << G4endl;
0348       G4cout << "Usage : " << argv[0] << " [OPTIONS]" << G4endl;
0349       PrintHelp();
0350       return true;  // KILL APPLICATION
0351     }
0352   }
0353   return false;
0354 }