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/* Author: Steve Peters */

#ifndef URDF_INTERFACE_UTILS_H
#define URDF_INTERFACE_UTILS_H

#include <locale>
#include <sstream>
#include <stdexcept>
#include <string>
#include <vector>

namespace urdf {

// Replacement for boost::split( ... , ... , boost::is_any_of(" "))
inline
void split_string(std::vector<std::string> &result,
                  const std::string &input,
                  const std::string &isAnyOf)
{
  std::string::size_type start = 0;
  std::string::size_type end = input.find_first_of(isAnyOf, start);
  while (end != std::string::npos)
  {
    result.push_back(input.substr(start, end-start));
    start = end + 1;
    end = input.find_first_of(isAnyOf, start);
  }
  if (start < input.length())
  {
    result.push_back(input.substr(start));
  }
}

// This is a locale-safe version of string-to-double, which is suprisingly
// difficult to do correctly.  This function ensures that the C locale is used
// for parsing, as that matches up with what the XSD for double specifies.
// On success, the double is returned; on failure, a std::runtime_error is
// thrown.
static inline double strToDouble(const char *in)
{
  std::stringstream ss;
  ss.imbue(std::locale::classic());

  ss << in;

  double out;
  ss >> out;

  if (ss.fail() || !ss.eof()) {
    throw std::runtime_error("Failed converting string to double");
  }

  return out;
}

}

#endif