boost/date_time/time_iterator.hpp

   1 #ifndef DATE_TIME_TIME_ITERATOR_HPP___
   2 #define DATE_TIME_TIME_ITERATOR_HPP___
   3
   4 /* Copyright (c) 2002,2003 CrystalClear Software, Inc.
   5  * Use, modification and distribution is subject to the
   6  * Boost Software License, Version 1.0. (See accompanying
   7  * file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt)
   8  * Author: Jeff Garland, Bart Garst
   9  * $Date$
  10  */
  11
  12
  13 namespace boost {
  14 namespace date_time {
  15
  16
  17   //! Simple time iterator skeleton class
  18   template<class time_type>
  19   class time_itr {
  20   public:
  21     typedef typename time_type::time_duration_type time_duration_type;
  22     time_itr(time_type t, time_duration_type d) : current_(t), offset_(d) {};
  23     time_itr& operator++()
  24     {
  25       current_ = current_ + offset_;
  26       return *this;
  27     }
  28     time_itr& operator--()
  29     {
  30       current_ = current_ - offset_;
  31       return *this;
  32     }
  33     time_type operator*() {return current_;};
  34     time_type* operator->() {return &current_;};
  35     bool operator<  (const time_type& t) {return current_ < t;};
  36     bool operator<= (const time_type& t) {return current_ <= t;};
  37     bool operator!=  (const time_type& t) {return current_ != t;};
  38     bool operator== (const time_type& t) {return current_ == t;};
  39     bool operator>  (const time_type& t) {return current_ > t;};
  40     bool operator>= (const time_type& t) {return current_ >= t;};
  41
  42   private:
  43     time_type current_;
  44     time_duration_type offset_;
  45   };
  46
  47
  48
  49 } }//namespace date_time
  50
  51
  52 #endif