lexical_casts.cpp

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/* Author: Simon Schmeisser */
 
#include "moveit/utils/lexical_casts.h"
 
#include <locale>
#include <sstream>
 
namespace moveit
{
namespace core
{
template <class InType>
std::string toStringImpl(InType t)
{
  // convert to string using no locale
  std::ostringstream oss;
  oss.imbue(std::locale::classic());
  oss << t;
  return oss.str();
}
 
std::string toString(double d)
{
  return toStringImpl(d);
}
 
std::string toString(float f)
{
  return toStringImpl(f);
}
 
template <class OutType>
OutType toRealImpl(const std::string& s)
{
  // convert from string using no locale
  std::istringstream stream(s);
  stream.imbue(std::locale::classic());
  OutType result;
  stream >> result;
  if (stream.fail() || !stream.eof())
  {
    throw std::runtime_error("Failed converting string to real number");
  }
  return result;
}
 
double toDouble(const std::string& s)
{
  return toRealImpl<double>(s);
}
 
float toFloat(const std::string& s)
{
  return toRealImpl<float>(s);
}
}  // namespace core
}  // namespace moveit