ParseArgv.hpp

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#ifndef wali_util_PARSE_ARG_V_GUARD
#define wali_util_PARSE_ARG_V_GUARD 1

#include <iostream>
#include <map>
#include <string>

namespace wali
{
  namespace util
  {

    /**
     *  Takes command line arguments and splits each one on a non escaped
     *  equal sign ('=').  ie. key=value
     *  Inserts the pair (key,val) into a map.  If no equal sign is present
     *  inserts (key,"") into the map.
     * 
     *  - get* methods do not side effect their second parameter if the key
     *       does not exist
     */ 
    class ParseArgv
    {

      public:
        ParseArgv( int argc,char **argv );
        virtual ~ParseArgv();

        virtual bool get(
            const std::string &key,
            std::string &value ) const;

        virtual bool geti( const std::string &key, int &i ) const;

        virtual bool exists( const std::string &key ) const;


      protected:
        typedef std::map< std::string, std::string > pamap_t;
        virtual void parse();

      protected:
        int argc;
        char ** argv;
        pamap_t m;

    }; // class ParseArgv

  } // namespace util

} // namespace wali

#endif  // wali_util_PARSE_ARG_V_GUARD