/* prepare_protocol.c - the protocol for preparing values for SQLite
 *
 * Copyright (C) 2005-2010 Gerhard Häring <gh@ghaering.de>
 *
 * This file is part of pysqlite.
 *
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the authors be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */

#include "prepare_protocol.h"

static int
pysqlite_prepare_protocol_init(TyObject *self, TyObject *args, TyObject *kwargs)
{
    return 0;
}

static int
pysqlite_prepare_protocol_traverse(TyObject *self, visitproc visit, void *arg)
{
    Ty_VISIT(Ty_TYPE(self));
    return 0;
}

static void
pysqlite_prepare_protocol_dealloc(TyObject *self)
{
    TyTypeObject *tp = Ty_TYPE(self);
    PyObject_GC_UnTrack(self);
    tp->tp_free(self);
    Ty_DECREF(tp);
}

TyDoc_STRVAR(doc, "PEP 246 style object adaption protocol type.");

static TyType_Slot type_slots[] = {
    {Ty_tp_dealloc, pysqlite_prepare_protocol_dealloc},
    {Ty_tp_init, pysqlite_prepare_protocol_init},
    {Ty_tp_traverse, pysqlite_prepare_protocol_traverse},
    {Ty_tp_doc, (void *)doc},
    {0, NULL},
};

static TyType_Spec type_spec = {
    .name = MODULE_NAME ".PrepareProtocol",
    .basicsize = sizeof(pysqlite_PrepareProtocol),
    .flags = (Ty_TPFLAGS_DEFAULT | Ty_TPFLAGS_HAVE_GC |
              Ty_TPFLAGS_IMMUTABLETYPE),
    .slots = type_slots,
};

int
pysqlite_prepare_protocol_setup_types(TyObject *module)
{
    TyObject *type = TyType_FromModuleAndSpec(module, &type_spec, NULL);
    if (type == NULL) {
        return -1;
    }
    pysqlite_state *state = pysqlite_get_state(module);
    state->PrepareProtocolType = (TyTypeObject *)type;
    return 0;
}