#ifndef BASE_H
#define BASE_H

using namespace std;

#include <map>
#include <string>

//! compares two strings, alphanumerically. a < a_1 < a_2 < a_10 < a_20 < b
int strcmpn(const char *s1, const char *s2);

//! a functor wrapper for the strcmpn function
struct numcmp {
  int operator()(const string &s1, const string &s2) const {
    return strcmpn(s1.c_str(), s2.c_str())<0;
  }
};

//! a common class for anything that can be passed as a pointer to the vsprintf-like functions.
class common {
 public:
  virtual ~common()=0;
};

//! a simple class to associate strings with either ints or strings.
class base : public common {
public:
  map<string, int, numcmp> ints;
  typedef map<string, int, numcmp>::iterator intit;
  typedef map<string, int, numcmp>::const_iterator cintit;

  map<string, string, numcmp> strs;
  typedef map<string, string, numcmp>::iterator strit;
  typedef map<string, string, numcmp>::const_iterator cstrit;

  //! get the integer with key /str/. return -1 by default, which can be overriden.
  virtual int get_int(const char *str, int def=-1) const;
  //! get the string with key /str/ or null
  virtual const char *get(const char *str) const;

  //! set the string with key /str/ to /n/
  virtual void set(const char *str, const char *n);
  //! set the integer key /str/ to /n/
  virtual void set(const char *str, int n);

  void set(const char *str, const string &n) {
    set(str, n.c_str());
  }

  //! remove /key/
  virtual void unset(const char *key);
  virtual ~base() {
  };
};

#endif