import_decl.hpp

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#ifndef MLPACK_BINDINGS_PYTHON_IMPORT_DECL_HPP
#define MLPACK_BINDINGS_PYTHON_IMPORT_DECL_HPP
 
#include <mlpack/prereqs.hpp>
#include "strip_type.hpp"
 
namespace mlpack {
namespace bindings {
namespace python {
 
template<typename T>
void ImportDecl(
    util::ParamData& d,
    const size_t indent,
    const typename boost::disable_if<arma::is_arma_type<T>>::type* = 0,
    const typename boost::enable_if<data::HasSerialize<T>>::type* = 0)
{
  // First, we have to parse the type.  If we have something like, e.g.,
  // 'LogisticRegression<>', we must convert this to 'LogisticRegression[T=*].'
  std::string strippedType, printedType, defaultsType;
  StripType(d.cppType, strippedType, printedType, defaultsType);
 
  const std::string prefix = std::string(indent, ' ');
  std::cout << prefix << "cdef cppclass " << defaultsType << ":" << std::endl;
  std::cout << prefix << "  " << strippedType << "() nogil" << std::endl;
  std::cout << prefix << std::endl;
}
 
template<typename T>
void ImportDecl(
    util::ParamData& /* d */,
    const size_t /* indent */,
    const typename boost::disable_if<arma::is_arma_type<T>>::type* = 0,
    const typename boost::disable_if<data::HasSerialize<T>>::type* = 0)
{
  // Print nothing.
}
 
template<typename T>
void ImportDecl(
    util::ParamData& /* d */,
    const size_t /* indent */,
    const typename boost::enable_if<arma::is_arma_type<T>>::type* = 0)
{
  // Print nothing.
}
 
template<typename T>
void ImportDecl(util::ParamData& d,
                const void* indent,
                void* /* output */)
{
  ImportDecl<typename std::remove_pointer<T>::type>(d, *((size_t*) indent));
}
 
} // namespace python
} // namespace bindings
} // namespace mlpack
 
#endif