camel_case.hpp

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#ifndef MLPACK_BINDINGS_UTIL_CAMEL_CASE_HPP
#define MLPACK_BINDINGS_UTIL_CAMEL_CASE_HPP

namespace mlpack {
namespace util {

inline std::string CamelCase(std::string s, bool lower)
{
  if (!lower)
    s[0] = std::toupper(s[0]);
  else
    s[0] = std::tolower(s[0]);
  size_t n = s.length();
  size_t resInd = 0;
  for (size_t i = 0; i < n; i++)
  {
    // Check for spaces in the sentence.
    if (s[i] == '_')
    {
      // Conversion into upper case.
      s[i + 1] = toupper(s[i + 1]);
      continue;
    }
    // If not space, copy character.
    else
      s[resInd++] = s[i];
  }
  // Return string to main.
  return s.substr(0, resInd);
}

} // namespace util
} // namespace mlpack

#endif