text: #ifndef __LIBUTIL_OPTION_PARSER_H__
  #define __LIBUTIL_OPTION_PARSER_H__
  
  #include <vector>
  #include <iostream>
  #include <ostream>
  
  #include "Map.h"
  
  namespace LibUtil
  {
      using std::vector;
  
      // Simple option parser
      class OptionParser : public StringMap
      {
          private:
              class OptionInfo
              {
                  public:
                      OptionInfo(const String& var_name_, bool has_arg_, const String& arg_name_, bool has_default_arg_value_, const String& default_arg_value_, const String& description_);
                      ~OptionInfo();
  
                  public:
                      inline const String& getVarName() const { return m_var_name_; }
                      inline bool hasArg() const { return m_has_arg_; }
                      inline const String& getArgName() const { return m_arg_name_; }
                      inline bool hasDefaultArgValue() const { return m_has_default_arg_value_; }
                      inline const String& getDefaultArgValue() const { return m_default_arg_value_; }
                      inline const String& getDescription() const { return m_description_; }
  
                  private:
                      String m_var_name_;
                      bool m_has_arg_;
                      String m_arg_name_;
                      bool m_has_default_arg_value_;
                      String m_default_arg_value_;
                      String m_description_;
              }; // class Option
  
          public:
              OptionParser();
              virtual ~OptionParser();
  
          public:
              void addOption(const String& option_name_, const String& var_name_, bool has_arg_, const String& arg_name_, bool has_default_arg_value_, const String& default_arg_value_, const String& description_);
  
              void parseArguments(int argc_, char** argv_, std::ostream& ost_ = std::cout);
  
              void printOptions(std::ostream& ost_ = std::cout) const;
  
          protected:
              vector<String> m_option_names_;
              Map<OptionInfo*> m_option_infos_;
      }; // class OptionParser
  } // LibUtil
  
  #endif // __LIBUTIL_OPTION_PARSER_H__
  
  