get_cython_type.hpp

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#ifndef MLPACK_BINDINGS_PYTHON_GET_CYTHON_TYPE_HPP
#define MLPACK_BINDINGS_PYTHON_GET_CYTHON_TYPE_HPP

#include <mlpack/prereqs.hpp>
#include <mlpack/core/util/is_std_vector.hpp>

namespace mlpack {
namespace bindings {
namespace python {

template<typename T>
inline std::string GetCythonType(
    util::ParamData& /* d */,
    const typename boost::disable_if<util::IsStdVector>::type* = 0,
    const typename boost::disable_if<data::HasSerialize>::type* = 0,
    const typename boost::disable_if>::type* = 0)
{
  return "unknown";
}

template<>
inline std::string GetCythonType(
    util::ParamData& /* d */,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*)
{
  return "int";
}

template<>
inline std::string GetCythonType(
    util::ParamData& /* d */,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*)
{
  return "double";
}

template<>
inline std::string GetCythonType(
    util::ParamData& /* d */,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*)
{
  return "string";
}

template<>
inline std::string GetCythonType(
    util::ParamData& /* d */,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*)
{
  return "size_t";
}

template<>
inline std::string GetCythonType(
    util::ParamData& /* d */,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*,
    const typename boost::disable_if>::type*)
{
  return "cbool";
}

template<typename T>
inline std::string GetCythonType(
    util::ParamData& d,
    const typename boost::enable_if<util::IsStdVector>::type* = 0)
{
  return "vector[" + GetCythonType(d) + "]";
}

template<typename T>
inline std::string GetCythonType(
    util::ParamData& d,
    const typename boost::enable_if>::type* = 0)
{
  std::string type = "Mat";
  if (T::is_row)
    type = "Row";
  else if (T::is_col)
    type = "Col";

  return "arma." + type + "[" + GetCythonType(d) + "]";
}

template<typename T>
inline std::string GetCythonType(
    util::ParamData& d,
    const typename boost::disable_if>::type* = 0,
    const typename boost::enable_if<data::HasSerialize>::type* = 0)
{
  return d.cppType + "*";
}

} // namespace python
} // namespace bindings
} // namespace mlpack

#endif