cpython/Include/py_curses.h

134 lines
3.5 KiB
C

#ifndef Py_CURSES_H
#define Py_CURSES_H
#ifdef HAVE_NCURSES_H
#include <ncurses.h>
#else
#include <curses.h>
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define PyCurses_API_pointers 4
/* Type declarations */
typedef struct {
PyObject_HEAD
WINDOW *win;
} PyCursesWindowObject;
#define PyCursesWindow_Check(v) ((v)->ob_type == &PyCursesWindow_Type)
#ifdef CURSES_MODULE
/* This section is used when compiling _cursesmodule.c */
#else
/* This section is used in modules that use the _cursesmodule API */
static void **PyCurses_API;
#define PyCursesWindow_Type (*(PyTypeObject *) PyCurses_API[0])
#define PyCursesSetupTermCalled {if (! ((int (*)(void))PyCurses_API[1]) () ) return NULL;}
#define PyCursesInitialised {if (! ((int (*)(void))PyCurses_API[2]) () ) return NULL;}
#define PyCursesInitialisedColor {if (! ((int (*)(void))PyCurses_API[3]) () ) return NULL;}
#define import_curses() \
{ \
PyObject *module = PyImport_ImportModule("_curses"); \
if (module != NULL) { \
PyObject *module_dict = PyModule_GetDict(module); \
PyObject *c_api_object = PyDict_GetItemString(module_dict, "_C_API"); \
if (PyCObject_Check(c_api_object)) { \
PyCurses_API = (void **)PyCObject_AsVoidPtr(c_api_object); \
} \
} \
}
#endif
/* general error messages */
static char *catchall_ERR = "curses function returned ERR";
static char *catchall_NULL = "curses function returned NULL";
/* Utility macros */
#define ARG_COUNT(X) \
(((X) == NULL) ? 0 : (PyTuple_Check(X) ? PyTuple_Size(X) : 1))
/* Function Prototype Macros - They are ugly but very, very useful. ;-)
X - function name
TYPE - parameter Type
ERGSTR - format string for construction of the return value
PARSESTR - format string for argument parsing
*/
#define NoArgNoReturnFunction(X) \
static PyObject *PyCurses_ ## X (PyObject *self, PyObject *args) \
{ \
PyCursesInitialised \
if (!PyArg_NoArgs(args)) return NULL; \
return PyCursesCheckERR(X(), # X); }
#define NoArgOrFlagNoReturnFunction(X) \
static PyObject *PyCurses_ ## X (PyObject *self, PyObject *args) \
{ \
int flag = 0; \
PyCursesInitialised \
switch(ARG_COUNT(args)) { \
case 0: \
return PyCursesCheckERR(X(), # X); \
case 1: \
if (!PyArg_Parse(args, "i;True(1) or False(0)", &flag)) return NULL; \
if (flag) return PyCursesCheckERR(X(), # X); \
else return PyCursesCheckERR(no ## X (), # X); \
default: \
PyErr_SetString(PyExc_TypeError, # X " requires 0 or 1 arguments"); \
return NULL; } }
#define NoArgReturnIntFunction(X) \
static PyObject *PyCurses_ ## X (PyObject *self, PyObject *args) \
{ \
PyCursesInitialised \
if (!PyArg_NoArgs(args)) return NULL; \
return PyInt_FromLong((long) X()); }
#define NoArgReturnStringFunction(X) \
static PyObject *PyCurses_ ## X (PyObject *self, PyObject *args) \
{ \
PyCursesInitialised \
if (!PyArg_NoArgs(args)) return NULL; \
return PyString_FromString(X()); }
#define NoArgTrueFalseFunction(X) \
static PyObject *PyCurses_ ## X (PyObject *self, PyObject *args) \
{ \
PyCursesInitialised \
if (!PyArg_NoArgs(args)) return NULL; \
if (X () == FALSE) { \
Py_INCREF(Py_False); \
return Py_False; \
} \
Py_INCREF(Py_True); \
return Py_True; }
#define NoArgNoReturnVoidFunction(X) \
static PyObject *PyCurses_ ## X (PyObject *self, PyObject *args) \
{ \
PyCursesInitialised \
if (!PyArg_NoArgs(args)) return NULL; \
X(); \
Py_INCREF(Py_None); \
return Py_None; }
#ifdef __cplusplus
}
#endif
#endif /* !defined(Py_CURSES_H) */