181 lines
4.7 KiB
C
181 lines
4.7 KiB
C
/* microprotocol_proto.c - psycopg protocols
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*
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* Copyright (C) 2003-2019 Federico Di Gregorio <fog@debian.org>
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* Copyright (C) 2020-2021 The Psycopg Team
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*
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* This file is part of psycopg.
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*
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* psycopg2 is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published
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* by the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link this program with the OpenSSL library (or with
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* modified versions of OpenSSL that use the same license as OpenSSL),
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* and distribute linked combinations including the two.
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*
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* You must obey the GNU Lesser General Public License in all respects for
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* all of the code used other than OpenSSL.
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*
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* psycopg2 is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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* License for more details.
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*/
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#define PSYCOPG_MODULE
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#include "psycopg/psycopg.h"
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#include "psycopg/microprotocols_proto.h"
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#include <string.h>
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/** void protocol implementation **/
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/* getquoted - return quoted representation for object */
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#define isqlquote_getquoted_doc \
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"getquoted() -- return SQL-quoted representation of this object"
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static PyObject *
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isqlquote_getquoted(isqlquoteObject *self, PyObject *args)
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{
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Py_RETURN_NONE;
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}
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/* getbinary - return quoted representation for object */
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#define isqlquote_getbinary_doc \
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"getbinary() -- return SQL-quoted binary representation of this object"
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static PyObject *
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isqlquote_getbinary(isqlquoteObject *self, PyObject *args)
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{
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Py_RETURN_NONE;
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}
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/* getbuffer - return quoted representation for object */
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#define isqlquote_getbuffer_doc \
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"getbuffer() -- return this object"
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static PyObject *
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isqlquote_getbuffer(isqlquoteObject *self, PyObject *args)
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{
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Py_RETURN_NONE;
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}
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/** the ISQLQuote object **/
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/* object method list */
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static struct PyMethodDef isqlquoteObject_methods[] = {
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{"getquoted", (PyCFunction)isqlquote_getquoted,
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METH_NOARGS, isqlquote_getquoted_doc},
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{"getbinary", (PyCFunction)isqlquote_getbinary,
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METH_NOARGS, isqlquote_getbinary_doc},
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{"getbuffer", (PyCFunction)isqlquote_getbuffer,
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METH_NOARGS, isqlquote_getbuffer_doc},
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{NULL}
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};
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/* object member list */
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static struct PyMemberDef isqlquoteObject_members[] = {
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/* DBAPI-2.0 extensions (exception objects) */
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{"_wrapped", T_OBJECT, offsetof(isqlquoteObject, wrapped), READONLY},
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{NULL}
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};
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/* initialization and finalization methods */
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static int
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isqlquote_setup(isqlquoteObject *self, PyObject *wrapped)
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{
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self->wrapped = wrapped;
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Py_INCREF(wrapped);
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return 0;
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}
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static void
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isqlquote_dealloc(PyObject* obj)
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{
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isqlquoteObject *self = (isqlquoteObject *)obj;
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Py_XDECREF(self->wrapped);
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Py_TYPE(obj)->tp_free(obj);
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}
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static int
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isqlquote_init(PyObject *obj, PyObject *args, PyObject *kwds)
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{
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PyObject *wrapped = NULL;
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if (!PyArg_ParseTuple(args, "O", &wrapped))
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return -1;
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return isqlquote_setup((isqlquoteObject *)obj, wrapped);
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}
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static PyObject *
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isqlquote_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
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{
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return type->tp_alloc(type, 0);
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}
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/* object type */
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#define isqlquoteType_doc \
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"Abstract ISQLQuote protocol\n\n" \
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"An object conform to this protocol should expose a ``getquoted()`` method\n" \
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"returning the SQL representation of the object.\n\n"
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PyTypeObject isqlquoteType = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"psycopg2.extensions.ISQLQuote",
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sizeof(isqlquoteObject), 0,
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isqlquote_dealloc, /*tp_dealloc*/
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0, /*tp_print*/
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0, /*tp_getattr*/
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0, /*tp_setattr*/
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0, /*tp_compare*/
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0, /*tp_repr*/
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0, /*tp_as_number*/
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0, /*tp_as_sequence*/
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0, /*tp_as_mapping*/
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0, /*tp_hash */
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0, /*tp_call*/
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0, /*tp_str*/
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0, /*tp_getattro*/
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0, /*tp_setattro*/
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0, /*tp_as_buffer*/
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Py_TPFLAGS_DEFAULT|Py_TPFLAGS_BASETYPE, /*tp_flags*/
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isqlquoteType_doc, /*tp_doc*/
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0, /*tp_traverse*/
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0, /*tp_clear*/
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0, /*tp_richcompare*/
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0, /*tp_weaklistoffset*/
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0, /*tp_iter*/
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0, /*tp_iternext*/
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isqlquoteObject_methods, /*tp_methods*/
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isqlquoteObject_members, /*tp_members*/
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0, /*tp_getset*/
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0, /*tp_base*/
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0, /*tp_dict*/
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0, /*tp_descr_get*/
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0, /*tp_descr_set*/
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0, /*tp_dictoffset*/
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isqlquote_init, /*tp_init*/
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0, /*tp_alloc*/
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isqlquote_new, /*tp_new*/
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};
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