Rename to libmspcore

[libs/core.git] / source / time / timedelta.cpp

diff --git a/source/time/timedelta.cpp b/source/time/timedelta.cpp
new file mode 100644 (file)
index 0000000..891d560
--- /dev/null
+++ b/source/time/timedelta.cpp
@@ -0,0 +1,99 @@
+/*
+This file is part of libmspframework
+Copyright © 2006  Mikko Rasa, Mikkosoft Productions
+Distributed under the LGPL
+*/
+#include <sstream>
+#include "timedelta.h"
+#include "units.h"
+
+using namespace std;
+
+namespace Msp {
+namespace Time {
+
+void print_part(ostream &out, int64_t &value, int64_t unit, char sep, bool &first)
+{
+       if(value>=unit || !first)
+       {
+               if(first)
+                       out<<value/unit;
+               else
+               {
+                       out.width(2);
+                       out<<value/unit;
+               }
+               if(sep) out<<sep;
+               value%=unit;
+               first=false;
+       }
+}
+
+ostream &operator<<(ostream &out, const TimeDelta &td)
+{
+       ostringstream ss;
+       ss.fill('0');
+       if(td.usec<1000)
+               ss<<td.usec<<"µs";
+       else if(td.usec<1000000)
+       {
+               ss<<td.usec/1000;
+               if(td.usec%1000)
+               {
+                       ss<<'.';
+                       ss.width(3);
+                       ss<<td.usec%1000;
+               }
+               ss<<"ms";
+       }
+       else if(td.usec<60000000)
+       {
+               ss<<td.usec/1000000;
+               if(td.usec%1000000)
+               {
+                       ss<<'.';
+                       if(td.usec%1000)
+                       {
+                               ss.width(6);
+                               ss<<td.usec%1000000;
+                       }
+                       else
+                       {
+                               ss.width(3);
+                               ss<<td.usec/1000%1000;
+                       }
+               }
+               ss<<"s";
+       }
+       else
+       {
+               int64_t temp=td.usec;
+               bool    first=true;
+               print_part(ss, temp, day.raw(),  '-', first);
+               print_part(ss, temp, hour.raw(), ':', first);
+               print_part(ss, temp, min.raw(),  ':', first);
+               print_part(ss, temp, sec.raw(),  0,   first);
+               if(temp)
+               {
+                       ss<<'.';
+                       if(temp%1000)
+                       {
+                               ss.width(6);
+                               ss<<temp;
+                       }
+                       else
+                       {
+                               ss.width(3);
+                               ss<<temp/1000;
+                       }
+               }
+               ss<<"s";
+       }
+
+       out<<ss.str();
+
+       return out;
+}
+
+} // namespace Time
+} // namespace Msp