EmbeddedPkg: Extend NvVarStoreFormattedLib LIBRARY_CLASS

[mirror_edk2.git] / AppPkg / Applications / Python / Python-2.7.2 / Objects / cobject.c

\r
/* Wrap void* pointers to be passed between C modules */\r
\r
#include "Python.h"\r
\r
\r
/* Declarations for objects of type PyCObject */\r
\r
typedef void (*destructor1)(void *);\r
typedef void (*destructor2)(void *, void*);\r
\r
static int cobject_deprecation_warning(void)\r
{\r
    return PyErr_WarnPy3k("CObject type is not supported in 3.x. "\r
        "Please use capsule objects instead.", 1);\r
}\r
\r
\r
PyObject *\r
PyCObject_FromVoidPtr(void *cobj, void (*destr)(void *))\r
{\r
    PyCObject *self;\r
\r
    if (cobject_deprecation_warning()) {\r
        return NULL;\r
    }\r
\r
    self = PyObject_NEW(PyCObject, &PyCObject_Type);\r
    if (self == NULL)\r
        return NULL;\r
    self->cobject=cobj;\r
    self->destructor=destr;\r
    self->desc=NULL;\r
\r
    return (PyObject *)self;\r
}\r
\r
PyObject *\r
PyCObject_FromVoidPtrAndDesc(void *cobj, void *desc,\r
                             void (*destr)(void *, void *))\r
{\r
    PyCObject *self;\r
\r
    if (cobject_deprecation_warning()) {\r
        return NULL;\r
    }\r
\r
    if (!desc) {\r
        PyErr_SetString(PyExc_TypeError,\r
                        "PyCObject_FromVoidPtrAndDesc called with null"\r
                        " description");\r
        return NULL;\r
    }\r
    self = PyObject_NEW(PyCObject, &PyCObject_Type);\r
    if (self == NULL)\r
        return NULL;\r
    self->cobject = cobj;\r
    self->destructor = (destructor1)destr;\r
    self->desc = desc;\r
\r
    return (PyObject *)self;\r
}\r
\r
void *\r
PyCObject_AsVoidPtr(PyObject *self)\r
{\r
    if (self) {\r
        if (PyCapsule_CheckExact(self)) {\r
            const char *name = PyCapsule_GetName(self);\r
            return (void *)PyCapsule_GetPointer(self, name);\r
        }\r
        if (self->ob_type == &PyCObject_Type)\r
            return ((PyCObject *)self)->cobject;\r
        PyErr_SetString(PyExc_TypeError,\r
                        "PyCObject_AsVoidPtr with non-C-object");\r
    }\r
    if (!PyErr_Occurred())\r
        PyErr_SetString(PyExc_TypeError,\r
                        "PyCObject_AsVoidPtr called with null pointer");\r
    return NULL;\r
}\r
\r
void *\r
PyCObject_GetDesc(PyObject *self)\r
{\r
    if (self) {\r
        if (self->ob_type == &PyCObject_Type)\r
            return ((PyCObject *)self)->desc;\r
        PyErr_SetString(PyExc_TypeError,\r
                        "PyCObject_GetDesc with non-C-object");\r
    }\r
    if (!PyErr_Occurred())\r
        PyErr_SetString(PyExc_TypeError,\r
                        "PyCObject_GetDesc called with null pointer");\r
    return NULL;\r
}\r
\r
void *\r
PyCObject_Import(char *module_name, char *name)\r
{\r
    PyObject *m, *c;\r
    void *r = NULL;\r
\r
    if ((m = PyImport_ImportModule(module_name))) {\r
        if ((c = PyObject_GetAttrString(m,name))) {\r
            r = PyCObject_AsVoidPtr(c);\r
            Py_DECREF(c);\r
	}\r
        Py_DECREF(m);\r
    }\r
    return r;\r
}\r
\r
int\r
PyCObject_SetVoidPtr(PyObject *self, void *cobj)\r
{\r
    PyCObject* cself = (PyCObject*)self;\r
    if (cself == NULL || !PyCObject_Check(cself) ||\r
	cself->destructor != NULL) {\r
	PyErr_SetString(PyExc_TypeError, \r
			"Invalid call to PyCObject_SetVoidPtr");\r
	return 0;\r
    }\r
    cself->cobject = cobj;\r
    return 1;\r
}\r
\r
static void\r
PyCObject_dealloc(PyCObject *self)\r
{\r
    if (self->destructor) {\r
        if(self->desc)\r
            ((destructor2)(self->destructor))(self->cobject, self->desc);\r
        else\r
            (self->destructor)(self->cobject);\r
    }\r
    PyObject_DEL(self);\r
}\r
\r
\r
PyDoc_STRVAR(PyCObject_Type__doc__,\r
"C objects to be exported from one extension module to another\n\\r
\n\\r
C objects are used for communication between extension modules.  They\n\\r
provide a way for an extension module to export a C interface to other\n\\r
extension modules, so that extension modules can use the Python import\n\\r
mechanism to link to one another.");\r
\r
PyTypeObject PyCObject_Type = {\r
    PyVarObject_HEAD_INIT(&PyType_Type, 0)\r
    "PyCObject",		/*tp_name*/\r
    sizeof(PyCObject),		/*tp_basicsize*/\r
    0,				/*tp_itemsize*/\r
    /* methods */\r
    (destructor)PyCObject_dealloc, /*tp_dealloc*/\r
    0,				/*tp_print*/\r
    0,				/*tp_getattr*/\r
    0,				/*tp_setattr*/\r
    0,				/*tp_compare*/\r
    0,				/*tp_repr*/\r
    0,				/*tp_as_number*/\r
    0,				/*tp_as_sequence*/\r
    0,				/*tp_as_mapping*/\r
    0,				/*tp_hash*/\r
    0,				/*tp_call*/\r
    0,				/*tp_str*/\r
    0,				/*tp_getattro*/\r
    0,				/*tp_setattro*/\r
    0,				/*tp_as_buffer*/\r
    0,				/*tp_flags*/\r
    PyCObject_Type__doc__	/*tp_doc*/\r
};\r