ceph/src/boost/libs/icl/example/toytime.hpp

   1 /*-----------------------------------------------------------------------------+
   2 Copyright (c) 2007-2009: Joachim Faulhaber
   3 +------------------------------------------------------------------------------+
   4 Copyright (c) 1999-2006: Cortex Software GmbH, Kantstrasse 57, Berlin
   5 +------------------------------------------------------------------------------+
   6    Distributed under the Boost Software License, Version 1.0.
   7       (See accompanying file LICENCE.txt or copy at
   8            http://www.boost.org/LICENSE_1_0.txt)
   9 +-----------------------------------------------------------------------------*/
  10 #include <boost/config.hpp>
  11 #ifdef BOOST_MSVC
  12 #pragma warning(push)
  13 #pragma warning(disable:4996) // This function or variable may be unsafe. Consider using fopen_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for details.
  14 #endif
  15
  16 namespace boost{namespace icl
  17 {
  18
  19 /** Time is a toy-class to demonstrate a class that conforms the requirements of
  20     a template parameter for class template icl::interval.
  21
  22     In real world applications you may want to use the integer representation of a
  23     time variable. That way intervals and their containers are working most efficiently.
  24 */
  25
  26 enum {sunday=0, monday, tuesday, wednesday, thursday, friday, saturday};
  27 static const char* daynames[] = {"sun", "mon", "tue", "wed", "thu", "fri", "sat"};
  28
  29 class Time
  30 {
  31 public:
  32     Time(): m_time(0) {}
  33     Time(int hours, int minutes): m_time(60*hours+minutes) {}
  34     Time(int day, int hours, int minutes): m_time((24*60)*day+60*hours+minutes) {}
  35     int getDay()const { return m_time/(24*60); }
  36     int getHours()const { return (m_time%(24*60))/60; }
  37     int getMinutes()const { return (m_time%(24*60))%60; }
  38     int asInt()const { return m_time; }
  39     std::string getDayString()const { return daynames[getDay()]; }
  40
  41     std::string as_string()const
  42     {
  43         const int MAX_TIMESTING_LEN = 256;
  44         char repr[MAX_TIMESTING_LEN];
  45         sprintf(repr, "%3s:%02d:%02d", getDayString().c_str(), getHours(), getMinutes());
  46         return std::string(repr);
  47     }
  48
  49     Time& operator ++ () { m_time++; return *this; }
  50     Time& operator -- () { m_time--; return *this; }
  51
  52 private:
  53     int m_time;
  54 };
  55
  56
  57 bool operator < (const Time& x1, const Time& x2) { return x1.asInt() < x2.asInt(); }
  58 bool operator == (const Time& x1, const Time& x2) { return x1.asInt() == x2.asInt(); }
  59 bool operator <= (const Time& x1, const Time& x2) { return x1.asInt() <= x2.asInt(); }
  60
  61
  62 template<class CharType, class CharTraits>
  63 std::basic_ostream<CharType, CharTraits> &operator<<
  64   (std::basic_ostream<CharType, CharTraits> &stream, Time const& value)
  65 {
  66     return stream << value.as_string();
  67 }
  68
  69 }} // namespace icl boost
  70
  71 #ifdef BOOST_MSVC
  72 #pragma warning(pop)
  73 #endif
  74