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/* SPDX-License-Identifier: GPL-2.0-or-later */

/** \file
 * \ingroup freestyle
 */

#include "BPy_BinaryPredicate0D.h"

#include "BPy_Convert.h"
#include "BPy_Interface0D.h"

#ifdef __cplusplus
extern "C" {
#endif

using namespace Freestyle;

///////////////////////////////////////////////////////////////////////////////////////////

//-------------------MODULE INITIALIZATION--------------------------------
int BinaryPredicate0D_Init(PyObject *module)
{
  if (module == nullptr) {
    return -1;
  }

  if (PyType_Ready(&BinaryPredicate0D_Type) < 0) {
    return -1;
  }
  Py_INCREF(&BinaryPredicate0D_Type);
  PyModule_AddObject(module, "BinaryPredicate0D", (PyObject *)&BinaryPredicate0D_Type);

  return 0;
}

//------------------------INSTANCE METHODS ----------------------------------

static char BinaryPredicate0D___doc__[] =
    "Base class for binary predicates working on :class:`Interface0D`\n"
    "objects.  A BinaryPredicate0D is typically an ordering relation\n"
    "between two Interface0D objects.  The predicate evaluates a relation\n"
    "between the two Interface0D instances and returns a boolean value (true\n"
    "or false).  It is used by invoking the __call__() method.\n"
    "\n"
    ".. method:: __init__()\n"
    "\n"
    "   Default constructor.\n"
    "\n"
    ".. method:: __call__(inter1, inter2)\n"
    "\n"
    "   Must be overload by inherited classes.  It evaluates a relation\n"
    "   between two Interface0D objects.\n"
    "\n"
    "   :arg inter1: The first Interface0D object.\n"
    "   :type inter1: :class:`Interface0D`\n"
    "   :arg inter2: The second Interface0D object.\n"
    "   :type inter2: :class:`Interface0D`\n"
    "   :return: True or false.\n"
    "   :rtype: bool\n";

static int BinaryPredicate0D___init__(BPy_BinaryPredicate0D *self, PyObject *args, PyObject *kwds)
{
  static const char *kwlist[] = {nullptr};

  if (!PyArg_ParseTupleAndKeywords(args, kwds, "", (char **)kwlist)) {
    return -1;
  }
  self->bp0D = new BinaryPredicate0D();
  self->bp0D->py_bp0D = (PyObject *)self;
  return 0;
}

static void BinaryPredicate0D___dealloc__(BPy_BinaryPredicate0D *self)
{
  delete self->bp0D;

  Py_TYPE(self)->tp_free((PyObject *)self);
}

static PyObject *BinaryPredicate0D___repr__(BPy_BinaryPredicate0D *self)
{
  return PyUnicode_FromFormat("type: %s - address: %p", Py_TYPE(self)->tp_name, self->bp0D);
}

static PyObject *BinaryPredicate0D___call__(BPy_BinaryPredicate0D *self,
                                            PyObject *args,
                                            PyObject *kwds)
{
  static const char *kwlist[] = {"inter1", "inter2", nullptr};
  BPy_Interface0D *obj1, *obj2;

  if (!PyArg_ParseTupleAndKeywords(args,
                                   kwds,
                                   "O!O!",
                                   (char **)kwlist,
                                   &Interface0D_Type,
                                   &obj1,
                                   &Interface0D_Type,
                                   &obj2)) {
    return nullptr;
  }
  if (typeid(*(self->bp0D)) == typeid(BinaryPredicate0D)) {
    PyErr_SetString(PyExc_TypeError, "__call__ method not properly overridden");
    return nullptr;
  }
  if (self->bp0D->operator()(*(obj1->if0D), *(obj2->if0D)) < 0) {
    if (!PyErr_Occurred()) {
      string class_name(Py_TYPE(self)->tp_name);
      PyErr_SetString(PyExc_RuntimeError, (class_name + " __call__ method failed").c_str());
    }
    return nullptr;
  }
  return PyBool_from_bool(self->bp0D->result);
}

/*----------------------BinaryPredicate0D get/setters ----------------------------*/

PyDoc_STRVAR(BinaryPredicate0D_name_doc,
             "The name of the binary 0D predicate.\n"
             "\n"
             ":type: str");

static PyObject *BinaryPredicate0D_name_get(BPy_BinaryPredicate0D *self, void * /*closure*/)
{
  return PyUnicode_FromString(Py_TYPE(self)->tp_name);
}

static PyGetSetDef BPy_BinaryPredicate0D_getseters[] = {
    {"name",
     (getter)BinaryPredicate0D_name_get,
     (setter) nullptr,
     BinaryPredicate0D_name_doc,
     nullptr},
    {nullptr, nullptr, nullptr, nullptr, nullptr} /* Sentinel */
};

/*-----------------------BPy_BinaryPredicate0D type definition ------------------------------*/

PyTypeObject BinaryPredicate0D_Type = {
    PyVarObject_HEAD_INIT(nullptr, 0) "BinaryPredicate0D", /* tp_name */
    sizeof(BPy_BinaryPredicate0D),                         /* tp_basicsize */
    0,                                                     /* tp_itemsize */
    (destructor)BinaryPredicate0D___dealloc__,             /* tp_dealloc */
    0,                                                     /* tp_vectorcall_offset */
    nullptr,                                               /* tp_getattr */
    nullptr,                                               /* tp_setattr */
    nullptr,                                               /* tp_reserved */
    (reprfunc)BinaryPredicate0D___repr__,                  /* tp_repr */
    nullptr,                                               /* tp_as_number */
    nullptr,                                               /* tp_as_sequence */
    nullptr,                                               /* tp_as_mapping */
    nullptr,                                               /* tp_hash */
    (ternaryfunc)BinaryPredicate0D___call__,               /* tp_call */
    nullptr,                                               /* tp_str */
    nullptr,                                               /* tp_getattro */
    nullptr,                                               /* tp_setattro */
    nullptr,                                               /* tp_as_buffer */
    Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,              /* tp_flags */
    BinaryPredicate0D___doc__,                             /* tp_doc */
    nullptr,                                               /* tp_traverse */
    nullptr,                                               /* tp_clear */
    nullptr,                                               /* tp_richcompare */
    0,                                                     /* tp_weaklistoffset */
    nullptr,                                               /* tp_iter */
    nullptr,                                               /* tp_iternext */
    nullptr,                                               /* tp_methods */
    nullptr,                                               /* tp_members */
    BPy_BinaryPredicate0D_getseters,                       /* tp_getset */
    nullptr,                                               /* tp_base */
    nullptr,                                               /* tp_dict */
    nullptr,                                               /* tp_descr_get */
    nullptr,                                               /* tp_descr_set */
    0,                                                     /* tp_dictoffset */
    (initproc)BinaryPredicate0D___init__,                  /* tp_init */
    nullptr,                                               /* tp_alloc */
    PyType_GenericNew,                                     /* tp_new */
};

///////////////////////////////////////////////////////////////////////////////////////////

#ifdef __cplusplus
}
#endif