print_doc.hpp

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#ifndef MLPACK_BINDINGS_GO_PRINT_DOC_HPP
#define MLPACK_BINDINGS_GO_PRINT_DOC_HPP

#include <mlpack/prereqs.hpp>
#include <mlpack/core/util/hyphenate_string.hpp>
#include "get_go_type.hpp"
#include "camel_case.hpp"

namespace mlpack {
namespace bindings {
namespace go {

template<typename T>
void PrintDoc(const util::ParamData& d,
              const void* input,
              void* /* output */)
{
  const size_t indent = *((size_t*) input);
  std::ostringstream oss;
  oss << " - ";
  oss << CamelCase(d.name) << " (";
  oss << GetGoType<typename std::remove_pointer<T>::type>(d) << "): "
      << d.desc;

  // Print a default, if possible.
  if (!d.required)
  {
    if (d.cppType == "std::string")
    {
      oss << "  Default value '" << boost::any_cast<std::string>(d.value)
          << "'.";
    }
    else if (d.cppType == "double")
    {
      oss << "  Default value " << boost::any_cast<double>(d.value) << ".";
    }
    else if (d.cppType == "int")
    {
      oss << "  Default value " << boost::any_cast<int>(d.value) << ".";
    }
  }

  std::cout << util::HyphenateString(oss.str(), indent + 4);
}

} // namespace go
} // namespace bindings
} // namespace mlpack

#endif