/*
 * MessagePack for Python unpacking routine
 *
 * Copyright (C) 2009 Naoki INADA
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
#include "msgpack/unpack_define.h"

typedef struct {
    int reserved;
} unpack_user;


#define msgpack_unpack_struct(name) \
	struct template ## name

#define msgpack_unpack_func(ret, name) \
	ret template ## name

#define msgpack_unpack_callback(name) \
	template_callback ## name

#define msgpack_unpack_object PyObject*

#define msgpack_unpack_user unpack_user


struct template_context;
typedef struct template_context template_context;

static inline void template_init(template_context* ctx);

static inline msgpack_unpack_object template_data(template_context* ctx);

static inline int template_execute(template_context* ctx,
		const char* data, size_t len, size_t* off);


static inline msgpack_unpack_object template_callback_root(unpack_user* u)
{ PyObject *o = Py_None; Py_INCREF(o); return o; }

static inline int template_callback_uint8(unpack_user* u, uint8_t d, msgpack_unpack_object* o)
{ *o = PyInt_FromLong((long)d); return 0; }

static inline int template_callback_uint16(unpack_user* u, uint16_t d, msgpack_unpack_object* o)
{ *o = PyInt_FromLong((long)d); return 0; }

static inline int template_callback_uint32(unpack_user* u, uint32_t d, msgpack_unpack_object* o)
{
    if (d >= 0x80000000UL) {
        *o = PyLong_FromUnsignedLongLong((unsigned long long)d);
    } else {
        *o = PyInt_FromLong((long)d);
    }
    return 0;
}

static inline int template_callback_uint64(unpack_user* u, uint64_t d, msgpack_unpack_object* o)
{ *o = PyLong_FromUnsignedLongLong(d); return 0; }

static inline int template_callback_int8(unpack_user* u, int8_t d, msgpack_unpack_object* o)
{ *o = PyInt_FromLong(d); return 0; }

static inline int template_callback_int16(unpack_user* u, int16_t d, msgpack_unpack_object* o)
{ *o = PyInt_FromLong(d); return 0; }

static inline int template_callback_int32(unpack_user* u, int32_t d, msgpack_unpack_object* o)
{ *o = PyInt_FromLong(d); return 0; }

static inline int template_callback_int64(unpack_user* u, int64_t d, msgpack_unpack_object* o)
{ *o = PyLong_FromLongLong(d); return 0; }

static inline int template_callback_float(unpack_user* u, float d, msgpack_unpack_object* o)
{ *o = PyFloat_FromDouble((double)d); return 0; }

static inline int template_callback_double(unpack_user* u, double d, msgpack_unpack_object* o)
{ *o = PyFloat_FromDouble(d); return 0; }

static inline int template_callback_nil(unpack_user* u, msgpack_unpack_object* o)
{ *o = Py_None; Py_INCREF(o); return 0; }

static inline int template_callback_true(unpack_user* u, msgpack_unpack_object* o)
{ *o = Py_True; Py_INCREF(o); return 0; }

static inline int template_callback_false(unpack_user* u, msgpack_unpack_object* o)
{ *o = Py_False; Py_INCREF(o); return 0; }

static inline int template_callback_array(unpack_user* u, unsigned int n, msgpack_unpack_object* o)
{
    /* TODO: use PyList_New(n). */
    *o = PyList_New(0);
    return 0;
}

static inline int template_callback_array_item(unpack_user* u, msgpack_unpack_object* c, msgpack_unpack_object o)
{
    PyList_Append(*c, o);
    return 0;
}

static inline int template_callback_map(unpack_user* u, unsigned int n, msgpack_unpack_object* o)
{
    *o = PyDict_New();
    return 0;
}

static inline int template_callback_map_item(unpack_user* u, msgpack_unpack_object* c, msgpack_unpack_object k, msgpack_unpack_object v)
{
    PyDict_SetItem(*c, k, v);
	return 0;
}

static inline int template_callback_raw(unpack_user* u, const char* b, const char* p, unsigned int l, msgpack_unpack_object* o)
{
    *o = PyString_FromStringAndSize(p, l);
	return 0;
}

#include "msgpack/unpack_template.h"