source/time/timedelta.cpp

   1 /*
   2 This file is part of libmspframework
   3 Copyright © 2006  Mikko Rasa, Mikkosoft Productions
   4 Distributed under the LGPL
   5 */
   6 #include <sstream>
   7 #include "timedelta.h"
   8 #include "units.h"
   9
  10 using namespace std;
  11
  12 namespace Msp {
  13 namespace Time {
  14
  15 void print_part(ostream &out, int64_t &value, int64_t unit, char sep, bool &first)
  16 {
  17         if(value>=unit || !first)
  18         {
  19                 if(first)
  20                         out<<value/unit;
  21                 else
  22                 {
  23                         out.width(2);
  24                         out<<value/unit;
  25                 }
  26                 if(sep) out<<sep;
  27                 value%=unit;
  28                 first=false;
  29         }
  30 }
  31
  32 ostream &operator<<(ostream &out, const TimeDelta &td)
  33 {
  34         ostringstream ss;
  35         ss.fill('0');
  36         if(td.usec<1000)
  37                 ss<<td.usec<<"µs";
  38         else if(td.usec<1000000)
  39         {
  40                 ss<<td.usec/1000;
  41                 if(td.usec%1000)
  42                 {
  43                         ss<<'.';
  44                         ss.width(3);
  45                         ss<<td.usec%1000;
  46                 }
  47                 ss<<"ms";
  48         }
  49         else if(td.usec<60000000)
  50         {
  51                 ss<<td.usec/1000000;
  52                 if(td.usec%1000000)
  53                 {
  54                         ss<<'.';
  55                         if(td.usec%1000)
  56                         {
  57                                 ss.width(6);
  58                                 ss<<td.usec%1000000;
  59                         }
  60                         else
  61                         {
  62                                 ss.width(3);
  63                                 ss<<td.usec/1000%1000;
  64                         }
  65                 }
  66                 ss<<"s";
  67         }
  68         else
  69         {
  70                 int64_t temp=td.usec;
  71                 bool    first=true;
  72                 print_part(ss, temp, day.raw(),  '-', first);
  73                 print_part(ss, temp, hour.raw(), ':', first);
  74                 print_part(ss, temp, min.raw(),  ':', first);
  75                 print_part(ss, temp, sec.raw(),  0,   first);
  76                 if(temp)
  77                 {
  78                         ss<<'.';
  79                         if(temp%1000)
  80                         {
  81                                 ss.width(6);
  82                                 ss<<temp;
  83                         }
  84                         else
  85                         {
  86                                 ss.width(3);
  87                                 ss<<temp/1000;
  88                         }
  89                 }
  90                 ss<<"s";
  91         }
  92
  93         out<<ss.str();
  94
  95         return out;
  96 }
  97
  98 } // namespace Time
  99 } // namespace Msp