/*****************************************************************************\
 * Copyright (c) 2004 Mark Aylett <mark@emantic.co.uk>                       *
 *                                                                           *
 * Permission is hereby granted, free of charge, to any person obtaining a   *
 * copy of this software and associated documentation files (the             *
 * "Software"), to deal in the Software without restriction, including       *
 * without limitation the rights to use, copy, modify, merge, publish,       *
 * distribute, sublicense, and/or sell copies of the Software, and to permit *
 * persons to whom the Software is furnished to do so, subject to the        *
 * following conditions:                                                     *
 *                                                                           *
 * The above copyright notice and this permission notice shall be included   *
 * in all copies or substantial portions of the Software.                    *
 *                                                                           *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS   *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF                *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN *
 * NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,  *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR     *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE *
 * USE OR OTHER DEALINGS IN THE SOFTWARE.                                    *
\*****************************************************************************/

/**
 * \file mar_format_c.h
 * \brief TODO
 */

#ifndef INCLUDED_MAR_FORMAT_C
#define INCLUDED_MAR_FORMAT_C

#ifndef INCLUDED_MAR_STORAGE_C
#include "mar_storage_c.h"
#endif /* INCLUDED_MAR_STORAGE_C */

#ifndef INCLUDED_MAR_TYPES_C
#include "mar_types_c.h"
#endif /* INCLUDED_MAR_TYPES_C */

#if !defined(WIN32)

#ifndef INCLUDED_INTTYPES
#define INCLUDED_INTTYPES
#include <inttypes.h>
#endif /* INCLUDED_INTTYPES */

#else /* WIN32 */

typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;

#endif /* WIN32 */

typedef uint8_t mar_byte_t;
typedef uint16_t mar_uint16_t;
typedef uint32_t mar_uint32_t;

typedef mar_uint16_t mar_verno_t;
typedef mar_uint16_t mar_isize_t;
typedef mar_uint16_t mar_msize_t;
typedef mar_uint32_t mar_usize_t;

#define MAR_UINT16_MAX 0xffffU
#define MAR_UINT32_MAX 0xffffffffU

#define MAR_ISIZE_MAX MAR_UINT16_MAX
#define MAR_MSIZE_MAX MAR_UINT16_MAX
#define MAR_USIZE_MAX MAR_UINT32_MAX

#define MAR_HEAD 0
#define MAR_HEAD_SIZE (sizeof(mar_verno_t) + sizeof(mar_isize_t))
#define MAR_VERNO_OFFSET 0
#define MAR_VERNO (MAR_HEAD + MAR_VERNO_OFFSET)
#define MAR_ISIZE_OFFSET sizeof(mar_verno_t)
#define MAR_ISIZE (MAR_HEAD + MAR_ISIZE_OFFSET)

#define MAR_PAIR_SIZE (sizeof(mar_key_t) + sizeof(mar_msize_t))
#define MAR_PAIR(ord) (MAR_PAIR_SIZE * (ord))
#define MAR_KEY(ord) MAR_PAIR(ord)
#define MAR_MSIZE(ord) (MAR_PAIR(ord) + sizeof(mar_key_t))

#define MAR_INDEX (MAR_HEAD + MAR_HEAD_SIZE)
#define MAR_INDEX_SIZE(isize) (MAR_PAIR_SIZE * (isize))

#define MAR_USER(isize) (MAR_INDEX + MAR_INDEX_SIZE(isize))
#define MAR_USER_SIZE(usize) (sizeof(mar_usize_t) + usize)
#define MAR_USIZE_OFFSET 0
#define MAR_USIZE(isize) (MAR_USER(isize) + MAR_USIZE_OFFSET)
#define MAR_UDATA_OFFSET sizeof(mar_usize_t)
#define MAR_UDATA(isize) (MAR_USER(isize) + MAR_UDATA_OFFSET)

#define MAR_META(isize, usize) (MAR_USER(isize) + MAR_USER_SIZE(usize))
#define MAR_META_SIZE(msize) (msize)
#define MAR_MDATA_OFFSET 0
#define MAR_MDATA(isize, usize) (MAR_META(isize, udata) + MAR_MDATA_OFFSET)

#define MAR_INIT_SIZE (MAR_HEAD_SIZE + sizeof(mar_usize_t))

MAR_EXTERN mar_uint16_t
mar_decode16_(const mar_byte_t* ptr);

MAR_EXTERN mar_uint32_t
mar_decode32_(const mar_byte_t* ptr);

MAR_EXTERN void
mar_encode16_(mar_byte_t* ptr, mar_uint16_t i);

MAR_EXTERN void
mar_encode32_(mar_byte_t* ptr, mar_uint32_t i);

#endif /* INCLUDED_MAR_FORMAT_C */