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/*
 * Copyright 漏 2015  Mozilla Foundation.
 * Copyright 漏 2015  Google, Inc.
 *
 *  This is part of HarfBuzz, a text shaping library.
 *
 * Permission is hereby granted, without written agreement and without
 * license or royalty fees, to use, copy, modify, and distribute this
 * software and its documentation for any purpose, provided that the
 * above copyright notice and the following two paragraphs appear in
 * all copies of this software.
 *
 * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
 * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
 * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 *
 * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
 * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
 * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
 * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
 *
 * Mozilla Author(s): Jonathan Kew
 * Google Author(s): Behdad Esfahbod
 */

#ifndef HB_OT_SHAPE_COMPLEX_USE_HH
#define HB_OT_SHAPE_COMPLEX_USE_HH

#include "hb.hh"


#include "hb-ot-shape-complex.hh"


#define USE_TABLE_ELEMENT_TYPE uint8_t

/* Cateories used in the Universal Shaping Engine spec:
 * https://docs.microsoft.com/en-us/typography/script-development/use
 */
/* Note: This enum is duplicated in the -machine.rl source file.
 * Not sure how to avoid duplication. */
enum use_category_t {
  USE_O         = 0,    /* OTHER */

  USE_B         = 1,    /* BASE */
  USE_IND       = 3,    /* BASE_IND */
  USE_N         = 4,    /* BASE_NUM */
  USE_GB        = 5,    /* BASE_OTHER */
  USE_CGJ       = 6,    /* CGJ */
//  USE_F               = 7,    /* CONS_FINAL */
  USE_FM        = 8,    /* CONS_FINAL_MOD */
//  USE_M               = 9,    /* CONS_MED */
//  USE_CM      = 10,   /* CONS_MOD */
  USE_SUB       = 11,   /* CONS_SUB */
  USE_H         = 12,   /* HALANT */

  USE_HN        = 13,   /* HALANT_NUM */
  USE_ZWNJ      = 14,   /* Zero width non-joiner */
  USE_ZWJ       = 15,   /* Zero width joiner */
  USE_WJ        = 16,   /* Word joiner */
  USE_Rsv       = 17,   /* Reserved characters */
  USE_R         = 18,   /* REPHA */
  USE_S         = 19,   /* SYM */
//  USE_SM      = 20,   /* SYM_MOD */
  USE_VS        = 21,   /* VARIATION_SELECTOR */
//  USE_V       = 36,   /* VOWEL */
//  USE_VM      = 40,   /* VOWEL_MOD */

  USE_FAbv      = 24,   /* CONS_FINAL_ABOVE */
  USE_FBlw      = 25,   /* CONS_FINAL_BELOW */
  USE_FPst      = 26,   /* CONS_FINAL_POST */
  USE_MAbv      = 27,   /* CONS_MED_ABOVE */
  USE_MBlw      = 28,   /* CONS_MED_BELOW */
  USE_MPst      = 29,   /* CONS_MED_POST */
  USE_MPre      = 30,   /* CONS_MED_PRE */
  USE_CMAbv     = 31,   /* CONS_MOD_ABOVE */
  USE_CMBlw     = 32,   /* CONS_MOD_BELOW */
  USE_VAbv      = 33,   /* VOWEL_ABOVE / VOWEL_ABOVE_BELOW / VOWEL_ABOVE_BELOW_POST / VOWEL_ABOVE_POST */
  USE_VBlw      = 34,   /* VOWEL_BELOW / VOWEL_BELOW_POST */
  USE_VPst      = 35,   /* VOWEL_POST   UIPC = Right */
  USE_VPre      = 22,   /* VOWEL_PRE / VOWEL_PRE_ABOVE / VOWEL_PRE_ABOVE_POST / VOWEL_PRE_POST */
  USE_VMAbv     = 37,   /* VOWEL_MOD_ABOVE */
  USE_VMBlw     = 38,   /* VOWEL_MOD_BELOW */
  USE_VMPst     = 39,   /* VOWEL_MOD_POST */

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