LEMON/LEMON-main Changeset - r204:77d56a21c3ab

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Changeset - r204:77d56a21c3ab

« 202:a5ee72

205:436fe7 »

r204:77d56a21c3ab

Sat, 12 Jul 2008 10:21:44

[Not Reviewed]

0 comments (0 inline)

kpeter (Peter Kovacs)
kpeter@inf.elte.hu

Doc improvements related to ArgParser

0 2 0

default

2 files changed with 74 insertions and 41 deletions:

demo/arg_parser_demo.cc

lemon/arg_parser.h

↑ Collapse diff ↑

demo/arg_parser_demo.cc

Show inline comments

@@ -29,39 +29,58 @@
 		using namespace lemon;
 		int main(int argc, const char **argv)
+		{
 		  // Initialize the argument parser
 		  ArgParser ap(argc,argv);
 		  int i;
 		  std::string s;
 		  double d;
 		  bool b,sil;
 		  double d = 1.0;
 		  bool b, nh;
 		  bool g1,g2,g3;
 		  ap.refOption("n", "An integer input.", i, true)
 		    .refOption("val", "A double input.", d)
 		    .doubleOption("val2", "A double input.", d)
 		    .synonym("vals","val")
 		    .refOption("name", "A string input.", s)
 		    .refOption("f", "A switch.", b)
-		    .refOption("nohelp", "", sil)
 		  // Add a mandatory integer option with storage reference
 		  ap.refOption("n", "An integer input.", i, true);
 		  // Add a double option with storage reference (the default value is 1.0)
 		  ap.refOption("val", "A double input.", d);
 		  // Add a double option without storage reference (the default value is 3.14)
 		  ap.doubleOption("val2", "A double input.", 3.14);
 		  // Set synonym for -val option
 		  ap.synonym("vals", "val");
 		  // Add a string option
 		  ap.refOption("name", "A string input.", s);
 		  // Add bool options
 		  ap.refOption("f", "A switch.", b)
 		    .refOption("nohelp", "", nh)
 		    .refOption("gra","Choice A",g1)
 		    .refOption("grb","Choice B",g2)
 		    .refOption("grc","Choice C",g3)
 		    .optionGroup("gr","gra")
 		    .refOption("grc", "Choice C", g3);
 		  // Bundle -gr* options into a group
 		  ap.optionGroup("gr", "gra")
 		    .optionGroup("gr","grb")
 		    .optionGroup("gr","grc")
 		    .mandatoryGroup("gr")
 		    .onlyOneGroup("gr")
 		    .other("infile","The input file.")
 		    .optionGroup("gr", "grc");
 		  // Set the group mandatory
 		  ap.mandatoryGroup("gr");
 		  // Set the options of the group exclusive (only one option can be given)
 		  ap.onlyOneGroup("gr");
 		  // Add non-parsed arguments (e.g. input files)
 		  ap.other("infile", "The input file.")
 		    .other("...");
 		  // Perform the parsing process
 		  // (in case of any error it terminates the program)
 		  ap.parse();
 		  // Check each option if it has been given and print its value
 		  std::cout << "Parameters of '" << ap.commandName() << "':\n";
-		  if(ap.given("n")) std::cout << "  Value of -n: " << i << std::endl;
 		  std::cout << "  Value of -n: " << i << std::endl;
 		  if(ap.given("val")) std::cout << "  Value of -val: " << d << std::endl;
 		  if(ap.given("val2")) {
 		    d = ap["val2"];
 		    std::cout << "  Value of -val2: " << d << std::endl;
+		  }
 		  if(ap.given("name")) std::cout << "  Value of -name: " << s << std::endl;
 		  if(ap.given("f")) std::cout << "  -f is given\n";
-		  if(ap.given("nohelp")) std::cout << "  Value of -nohelp: " << sil << std::endl;
+		  if(ap.given("nohelp")) std::cout << "  Value of -nohelp: " << nh << std::endl;
 		  if(ap.given("gra")) std::cout << "  -gra is given\n";
 		  if(ap.given("grb")) std::cout << "  -grb is given\n";
 		  if(ap.given("grc")) std::cout << "  -grc is given\n";
@@ -80,4 +99,5 @@
 		  for(unsigned int i=0;i<ap.files().size();++i)
 		    std::cout << "    '" << ap.files()[i] << "'\n";
 		  return 0;
+		}

lemon/arg_parser.h

Show inline comments

@@ -118,13 +118,19 @@
 		  public:
-		    ///\e
+		    ///Constructor
 		    ArgParser(int argc, const char **argv);
 		    ~ArgParser();
 		    ///\name Options
 		    ///
 		    ///@{
 		    ///Add a new integer type option
 		    ///Add a new integer type option.
 		    ///\param name The name of the option. The leading '-' must be omitted.
 		    ///\param help A help string.
 		    ///\param value A default value for the option.
@@ -135,6 +141,7 @@
 		    ///Add a new floating point type option
 		    ///Add a new floating point type option.
 		    ///\param name The name of the option. The leading '-' must be omitted.
 		    ///\param help A help string.
 		    ///\param value A default value for the option.
@@ -145,6 +152,7 @@
 		    ///Add a new bool type option
 		    ///Add a new bool type option.
 		    ///\param name The name of the option. The leading '-' must be omitted.
 		    ///\param help A help string.
 		    ///\param value A default value for the option.
@@ -156,6 +164,7 @@
 		    ///Add a new string type option
 		    ///Add a new string type option.
 		    ///\param name The name of the option. The leading '-' must be omitted.
 		    ///\param help A help string.
 		    ///\param value A default value for the option.
@@ -164,7 +173,17 @@
 				      const std::string &help,
 				      std::string value="", bool obl=false);
-		    ///\name Options with external storage
+		    ///Give help string for non-parsed arguments.
 		    ///With this function you can give help string for non-parsed arguments.
 		    ///The parameter \c name will be printed in the short usage line, while
 		    ///\c help gives a more detailed description.
 		    ArgParser &other(const std::string &name,
 				     const std::string &help="");
 		    ///@}
 		    ///\name Options with External Storage
 		    ///Using this functions, the value of the option will be directly written
 		    ///into a variable once the option appears in the command line.
@@ -172,6 +191,7 @@
 		    ///Add a new integer type option with a storage reference
 		    ///Add a new integer type option with a storage reference.
 		    ///\param name The name of the option. The leading '-' must be omitted.
 		    ///\param help A help string.
 		    ///\param obl Indicate if the option is mandatory.
@@ -182,6 +202,7 @@
 		    ///Add a new floating type option with a storage reference
 		    ///Add a new floating type option with a storage reference.
 		    ///\param name The name of the option. The leading '-' must be omitted.
 		    ///\param help A help string.
 		    ///\param obl Indicate if the option is mandatory.
@@ -192,6 +213,7 @@
 		    ///Add a new bool type option with a storage reference
 		    ///Add a new bool type option with a storage reference.
 		    ///\param name The name of the option. The leading '-' must be omitted.
 		    ///\param help A help string.
 		    ///\param obl Indicate if the option is mandatory.
@@ -203,6 +225,7 @@
 		    ///Add a new string type option with a storage reference
 		    ///Add a new string type option with a storage reference.
 		    ///\param name The name of the option. The leading '-' must be omitted.
 		    ///\param help A help string.
 		    ///\param obl Indicate if the option is mandatory.
@@ -218,7 +241,7 @@
 		    ///@{
-		    ///Boundle some options into a group
+		    ///Bundle some options into a group
 		    /// You can group some option by calling this function repeatedly for each
 		    /// option to be grouped with the same groupname.
@@ -230,7 +253,7 @@
 		    ///Make the members of a group exclusive
 		    ///If you call this function for a group, than at most one of them can be
 		    ///given at the same time
+		    ///given at the same time.
 		    ArgParser &onlyOneGroup(const std::string &group);
 		    ///Make a group mandatory
@@ -248,23 +271,6 @@
 		    ///@}
 		    ///Give help string for non-parsed arguments.
 		    ///With this function you can give help string for non-parsed arguments.
 		    ///The parameter \c name will be printed in the short usage line, while
 		    ///\c help gives a more detailed description.
 		    ArgParser &other(const std::string &name,
 				     const std::string &help="");
 		    ///Give back the non-option type arguments.
 		    ///Give back a reference to a vector consisting of the program arguments
 		    ///not starting with a '-' character.
 		    std::vector<std::string> &files() { return _file_args; }
 		    ///Give back the command name (the 0th argument)
 		    const std::string &commandName() { return _command_name; }
 		    void show(std::ostream &os,Opts::iterator i);
 		    void show(std::ostream &os,Groups::iterator i);
 		    void showHelp(Opts::iterator i);
@@ -286,6 +292,9 @@
 		      return parse();
+		    }
 		    ///Give back the command name (the 0th argument)
 		    const std::string &commandName() { return _command_name; }
 		    ///Check if an opion has been given to the command.
 		    bool given(std::string op)
+		    {
@@ -361,9 +370,13 @@
 		      return RefType(*this, n);
+		    }
 		    ///Give back the non-option type arguments.
 		    ///Give back a reference to a vector consisting of the program arguments
 		    ///not starting with a '-' character.
 		    std::vector<std::string> &files() { return _file_args; }
 		  };
+		}
-		#endif // LEMON_MAIN_PARAMS
+		#endif // LEMON_ARG_PARSER

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