command_args.h

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// g2o - General Graph Optimization
// Copyright (C) 2011 R. Kuemmerle, G. Grisetti, W. Burgard
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright notice,
//   this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
//   notice, this list of conditions and the following disclaimer in the
//   documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
#ifndef G2O_COMMAND_ARGS_H
#define G2O_COMMAND_ARGS_H
 
#include <iostream>
#include <string>
#include <vector>
 
#include "g2o_stuff_api.h"
 
namespace g2o {

class G2O_STUFF_API CommandArgs {
 public:
  struct CommandArgument {
    std::string name;
    std::string description;
    int type;
    void* data;
    bool parsed;
    bool optional;
    CommandArgument()
        : name(""),
          description(""),
          type(0),
          data(nullptr),
          parsed(false),
          optional(false) {}
  };
 
 public:
  virtual ~CommandArgs();

  bool parseArgs(int argc, char** argv, bool exitOnError = true);

  void param(const std::string& name, bool& p, bool defValue,
             const std::string& desc);
  void param(const std::string& name, int& p, int defValue,
             const std::string& desc);
  void param(const std::string& name, float& p, float defValue,
             const std::string& desc);
  void param(const std::string& name, double& p, double defValue,
             const std::string& desc);
  void param(const std::string& name, std::string& p,
             const std::string& defValue, const std::string& desc);
  void param(const std::string& name, std::vector<int>& p,
             const std::vector<int>& defValue, const std::string& desc);
  void param(const std::string& name, std::vector<double>& p,
             const std::vector<double>& defValue, const std::string& desc);
  void paramLeftOver(const std::string& name, std::string& p,
                     const std::string& defValue, const std::string& desc,
                     bool optional = false);

  void printParams(std::ostream& os);

  const std::string& getBanner() const { return _banner; }
  void setBanner(const std::string& banner);

  void printHelp(std::ostream& os);

  bool parsedParam(const std::string& paramFlag) const;
 
 protected:
  std::vector<CommandArgument> _args;
  std::vector<CommandArgument> _leftOvers;
  std::vector<CommandArgument> _leftOversOptional;
  std::string _banner;
  std::string _progName;
 
  const char* type2str(int t) const;
  void str2arg(const std::string& input, CommandArgument& ca) const;
  std::string arg2str(const CommandArgument& ca) const;
};
 
}  // namespace g2o
 
#endif