intl/uconv/util/umap.h
author Sylvestre Ledru <sledru@mozilla.com>
Fri, 24 Feb 2017 09:55:59 +0100
changeset 489668 cbb8fdf1daf98a15f7d57f6b08d273bdf96aa1a0
parent 102997 a16372ce30b5f6b747246b01fcd215a4bf3b6342
permissions -rw-r--r--
indent all but js/ MozReview-Commit-ID: 4rriqT7lBP9

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef __UMAP__
#define __UMAP__

#define NOMAPPING 0xfffd

enum
{
  uFormat0Tag = 0,
  uFormat1Tag,
  uFormat2Tag,
  uNumFormatTag
};

typedef struct
{
  uint16_t srcBegin;  /* 2 byte	*/
  uint16_t srcEnd;    /* 2 byte	*/
  uint16_t destBegin; /* 2 byte	*/
} uFormat0;

typedef struct
{
  uint16_t srcBegin;      /* 2 byte	*/
  uint16_t srcEnd;        /* 2 byte	*/
  uint16_t mappingOffset; /* 2 byte	*/
} uFormat1;

typedef struct
{
  uint16_t srcBegin;  /* 2 byte	*/
  uint16_t srcEnd;    /* 2 byte	-waste	*/
  uint16_t destBegin; /* 2 byte	*/
} uFormat2;

typedef struct
{
  union
  {
    uFormat0 format0;
    uFormat1 format1;
    uFormat2 format2;
  } fmt;
} uMapCell;

#define UMAPCELL_SIZE (3 * sizeof(uint16_t))

typedef struct
{
  uint16_t itemOfList;
  uint16_t offsetToFormatArray;
  uint16_t offsetToMapCellArray;
  uint16_t offsetToMappingTable;
  uint16_t data[1];
} uTable;

#endif