granicus.if.org Git - icinga2/blob - lib/base/convert.cpp

   1 /* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
   2
   3 #include "base/convert.hpp"
   4 #include "base/datetime.hpp"
   5 #include <boost/lexical_cast.hpp>
   6
   7 using namespace icinga;
   8
   9 String Convert::ToString(const String& val)
  10 {
  11         return val;
  12 }
  13
  14 String Convert::ToString(const Value& val)
  15 {
  16         return val;
  17 }
  18
  19 String Convert::ToString(double val)
  20 {
  21         double integral;
  22         double fractional = std::modf(val, &integral);
  23
  24         if (fractional == 0)
  25                 return Convert::ToString(static_cast<long long>(val));
  26
  27         std::ostringstream msgbuf;
  28         msgbuf << std::fixed << val;
  29         return msgbuf.str();
  30 }
  31
  32 double Convert::ToDateTimeValue(double val)
  33 {
  34         return val;
  35 }
  36
  37 double Convert::ToDateTimeValue(const Value& val)
  38 {
  39         if (val.IsNumber())
  40                 return val;
  41         else if (val.IsObjectType<DateTime>())
  42                 return static_cast<DateTime::Ptr>(val)->GetValue();
  43         else
  44                 BOOST_THROW_EXCEPTION(std::invalid_argument("Not a DateTime value."));
  45 }