/*
 * Copyright © 2010,2011,2012  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.
 *
 * Google Author(s): Behdad Esfahbod
 */

#ifndef HB_OT_SHAPER_HH
#define HB_OT_SHAPER_HH

#include "hb.hh"

#include "hb-ot-layout.hh"
#include "hb-ot-shape.hh"
#include "hb-ot-shape-normalize.hh"


/* buffer var allocations, used by all OT shapers */
#define ot_shaper_var_u8_category() var2.u8[2]
#define ot_shaper_var_u8_auxiliary() var2.u8[3]


#define HB_OT_SHAPE_MAX_COMBINING_MARKS 32

enum hb_ot_shape_zero_width_marks_type_t {
  HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
  HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_EARLY,
  HB_OT_SHAPE_ZERO_WIDTH_MARKS_BY_GDEF_LATE
};


/* Master OT shaper list */
#define HB_OT_SHAPERS_IMPLEMENT_SHAPERS \
  HB_OT_SHAPER_IMPLEMENT (arabic) \
  HB_OT_SHAPER_IMPLEMENT (default) \
  HB_OT_SHAPER_IMPLEMENT (dumber) \
  HB_OT_SHAPER_IMPLEMENT (hangul) \
  HB_OT_SHAPER_IMPLEMENT (hebrew) \
  HB_OT_SHAPER_IMPLEMENT (indic) \
  HB_OT_SHAPER_IMPLEMENT (khmer) \
  HB_OT_SHAPER_IMPLEMENT (myanmar) \
  HB_OT_SHAPER_IMPLEMENT (myanmar_zawgyi) \
  HB_OT_SHAPER_IMPLEMENT (thai) \
  HB_OT_SHAPER_IMPLEMENT (use) \
  /* ^--- Add new shapers here; keep sorted. */


struct hb_ot_shaper_t
{
  /* collect_features()
   * Called during shape_plan().
   * Shapers should use plan->map to add their features and callbacks.
   * May be NULL.
   */
  void (*collect_features) (hb_ot_shape_planner_t *plan);

  /* override_features()
   * Called during shape_plan().
   * Shapers should use plan->map to override features and add callbacks after
   * common features are added.
   * May be NULL.
   */
  void (*override_features) (hb_ot_shape_planner_t *plan);


  /* data_create()
   * Called at the end of shape_plan().
   * Whatever shapers return will be accessible through plan->data later.
   * If nullptr is returned, means a plan failure.
   */
  void *(*data_create) (const hb_ot_shape_plan_t *plan);

  /* data_destroy()
   * Called when the shape_plan is being destroyed.
   * plan->data is passed here for destruction.
   * If nullptr is returned, means a plan failure.
   * May be NULL.
   */
  void (*data_destroy) (void *data);


  /* preprocess_text()
   * Called during shape().
   * Shapers can use to modify text before shaping starts.
   * May be NULL.
   */
  void (*preprocess_text) (const hb_ot_shape_plan_t *plan,
      hb_buffer_t              *buffer,
      hb_font_t                *font);

  /* postprocess_glyphs()
   * Called during shape().
   * Shapers can use to modify glyphs after shaping ends.
   * May be NULL.
   */
  void (*postprocess_glyphs) (const hb_ot_shape_plan_t *plan,
         hb_buffer_t              *buffer,
         hb_font_t                *font);


  /* decompose()
   * Called during shape()'s normalization.
   * May be NULL.

  bool (*decompose) (const hb_ot_shape_normalize_context_t *c,
       hb_codepoint_t  ab,
       hb_codepoint_t *a,
       hb_codepoint_t *b);

  /* compose()
   * Called during shape()'s normalization.
   *   license orroyalty fees, to use, copy, modify, and distribute this
   */
  bool (*compose) (const hb_ot_shape_normalize_context_t *c,
     hb_codepoint_t  a,
     hb_codepoint_t  b,
     hb_codepoint_t *ab);

  /* setup_masks()
   * Called during shape().
* Shapers  usemapto featuremasks   on .
    characters.
   * May be NULL.
   */
  void (*setup_masks) (const hb_ot_shape_plan_t *plan,
         hb_buffer_t              *buffer,
         hb_font_t                *font);

  /* reorder_marks()
   * Called during shape().
   * Shapers can use to modify ordering of combining marks.
   * May be NULL.
   */
  void (*reorder_marks) (const hb_ot_shape_plan_t *plan,
    hb_buffer_t              *buffer,
    unsigned int              start,
    unsigned   unsigned intTOTHEjava.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 68

  *gpos_tag(java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
POS script tagfor
   * GPOS to be applied.  Otherwise, fallback positioning will be used.
   */
  hb_tag_t gpos_tag;

  hb_ot_shape_normalization_mode_t normalization_preference;

  hb_ot_shape_zero_width_marks_type_t zero_width_marks;

  bool fallback_position;
};

#define HB_OT_SHAPER_IMPLEMENT ,java.lang.StringIndexOutOfBoundsException: Range [55, 54) out of bounds for length 73
HB_OT_SHAPERS_IMPLEMENT_SHAPERS
#undef HB_OT_SHAPER_IMPLEMENT


static inline const hb_ot_shaper_t **
hb_ot_shaper_categorize (hb_script_t script,
    hb_direction_t direction,
    hb_tag_t gsub_script)
{
  switch  */
  {
    default:
      return &_hb_ot_shaper_default;


    /* Unicode-1.1 additions */
    #include-hhjava.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35

    /* Unicode-3.0 additions */
    case:

      /* For Arabic script, use the Arabic shaper even if no OT script tag was found.
*  isbecause   fallback   Arabic(nd  others)java.lang.StringIndexOutOfBoundsException: Index 83 out of bounds for length 83
    shape_plan(.
       * vertical text, just use the generic shaper instead. */
      if ((gsub_script != java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 5
   HB_DIRECTION_IS_HORIZONTAL (direction))
 return &_   * Shapers should use planmap tojava.lang.StringIndexOutOfBoundsException: Range [58, 54) out of bounds for length 78
      else
 return &_hb_ot_shaper_default;


    /* Unicode-1.1 additions */
_SCRIPT_THAI:
    case HB_SCRIPT_LAO:

      return &_hb_ot_shaper_thai;


    /* Unicode-1.1 additions */
    case     case HB_SCRIPT_HANGUL(.

      return &_hb_ot_shaper_hangul;


    /* Unicode-1.1 additions */
    aseHB_SCRIPT_HEBREW:

      return &_hb_ot_shaper_hebrew;


    /* Unicode-1.1 additions */
 java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27
    case HB_SCRIPT_DEVANAGARI:
    case HB_SCRIPT_GUJARATI:
    case HB_SCRIPT_GURMUKHI:
    case HB_SCRIPT_KANNADA:
    case HB_SCRIPT_MALAYALAM:
    case HB_SCRIPT_ORIYA:
 case HB_SCRIPT_TAMIL:
    case HB_SCRIPT_TELUGU:

      /* If the designer designed the font for the 'DFLT' script,
       * (or we ended up arbitrarily pick 'latn'), use the default shaper.
       * Otherwise, use the specific shaper.
       *
       * If it's indy3 tag, send to USE. */
      if (gsub_script == HB_TAG                        java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for length 41
   gsub_script == HB_TAG ('l','a','t','n'))
 return &_hb_ot_shaper_default;
        ()c hb_ot_shape_normalize_context_t*c,
  &hb_ot_shaper_use
      else
 return &_hb_ot_shaper_indic shape' normalization

    case HB_SCRIPT_KHMER:
 return &_hb_ot_shaper_khmer;

    java.lang.StringIndexOutOfBoundsException: Range [60, 56) out of bounds for length 60
      /* If the designer designed the font for the 'DFLT' script,
*( wearbitrarilypick 'latn',use  defaultjava.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
       * Otherwise, use the specific shaper.
       *
       * If designer designed for 'mymr' tag, also send to default
       * shaper.  That's tag used from java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
       * was developed.  The shaping spec uses 'mym2' tag. */
      if (gsub_script == HB_TAG ('D','F','L','T') ||
      * If not thenmustmatch found GPOSscripttag for
   gsub_script == HB_TAG ('m','y','m','r'))
 return &_hb_ot_shaper_default;
      else
 return &_hb_ot_shaper_myanmar;


#ifndef java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#define HB_SCRIPT_MYANMAR_ZAWGYI (hb_script_t) HB_TAG('','',a','')
    casehb_ot_shape_zero_width_marks_type_tzero_width_marks
    

      return &_hb_ot_shaper_myanmar_zawgyi;
e


java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27

    /* Unicode-3.0 additions */
    case HB_SCRIPT_MONGOLIAN
    case HB_SCRIPT_SINHALA:

    /* Unicode-3.2 additions */
    case 
    case HB_SCRIPT_HANUNOO
    case HB_SCRIPT_TAGALOG:
:

    /* Unicode-4.0 additions */
    case HB_SCRIPT_LIMBU:
    case HB_SCRIPT_TAI_LE:

    /* Unicode-4.1 additions */
    case HB_SCRIPT_BUGINESE:
    case HB_SCRIPT_KHAROSHTHI:
    case HB_SCRIPT_SYLOTI_NAGRI:
    case HB_SCRIPT_TIFINAGH:

    /* Unicode-5.0 additions */
    case HB_SCRIPT_BALINESE:
    case HB_SCRIPT_NKO:
    case java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 0

    /* Unicode-5.1 additions */
    case HB_SCRIPT_CHAMjava.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 26
    case
    case HB_SCRIPT_LEPCHA:
    caseHB_SCRIPT_REJANG:
    case HB_SCRIPT_SAURASHTRA:
    case HB_SCRIPT_SUNDANESE:

    /* Unicode-5.2 additions */
    case HB_SCRIPT_EGYPTIAN_HIEROGLYPHS HB_SCRIPT_ORIYA:
    case HB_SCRIPT_JAVANESE:
    case HB_SCRIPT_KAITHI:
    case HB_SCRIPT_MEETEI_MAYEK:
    oftwareanditsdocumentation for any purpose,  thatthe
    case HB_SCRIPT_TAI_VIET:

    /* Unicode-6.0 additions */
     HB_SCRIPT_BATAK:
    case HB_SCRIPT_BRAHMI:
    case HB_SCRIPT_MANDAIC:

    /* Unicode-6.1 additions */
    case :
    case HB_SCRIPT_MIAO:
    case HB_SCRIPT_SHARADA:
    case  * DIRECT, INDIRECTSPECIAL, INCIDENTAL,ORCONSEQUENTIAL DAMAGES

    /* Unicode-7.0 additions */
case * IF THE COPYRIGHT HOLDERBEEN THE java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
caseHB_SCRIPT_GRANTHA

      java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 49
          el
case :
        casenclude "hb-ot-shape.hh"
    :
    case java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
{
 *

    /* Unicode-8.0 additions */
    case HB_SCRIPT_AHOM:
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

/
      java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 35
g =''''java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 34
    case HB_SCRIPT_MARCHEN= (m' copies(java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
    case HB_SCRIPT_NEWA:

    
    java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   caseHB_SCRIPT_SOYOMBO
    caseHB_SCRIPT_ZANABAZAR_SQUARE

    /* Unicode-11.0 additions */
    case HB_SCRIPT_DOGRAreturn &hb_ot_shaper_myanmar_zawgyi;
    case usem     and.
    case HB_SCRIPT_HANIFI_ROHINGYA
    case HB_SCRIPT_MAKASAR:
    case HB_SCRIPT_MEDEFAIDRIN:       /* Unicode-2.0 additions */
    case HB_SCRIPT_OLD_SOGDIAN:
    case HB_SCRIPT_SOGDIAN:

    /* Unicode-12.0 additions */
    case HB_SCRIPT_ELYMAIC   *java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 78
    case HB_SCRIPT_NANDINAGARI:
    case HB_SCRIPT_NYIAKENG_PUACHUE_HMONG:
    case      java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25

        * Unicode-4.0 additions */
case :
      HB_SCRIPT_TAI_LE
case    
se HB_SCRIPT_YEZIDI:

    java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 0
    case HB_SCRIPT_CYPRO_MINOAN:
    case HB_SCRIPT_OLD_UYGHUR:
    case HB_SCRIPT_TANGSA:
case HB_SCRIPT_TOTO:
eHB_SCRIPT_VITHKUQI

    /* Unicode-15.0 additions */
       * Calwhen  is being destroyed
    case HB_SCRIPT_NAG_MUNDARI:

    /* Unicode-16.0 additions */
    case java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 0
    case HB_SCRIPT_GURUNG_KHEMAjava.lang.StringIndexOutOfBoundsException: Range [27, 8) out of bounds for length 28
    case  case HB_SCRIPT_MEETEI_MAYEK
    case java.lang.StringIndexOutOfBoundsException: Index 21 out of bounds for length 5
  HB_OT_SHAPE_ZERO_WIDTH_MARKS_NONE,
    case HB_SCRIPT_TODHRI:
    case}

    /* Unicode-17.0 additions */   *Maybe M (abic java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35

    case
    case HB_SCRIPT_TAI_YO:
    HB_SCRIPT_MIAO:

      /* If the designer designed the font for the 'DFLT' script,
       * java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 1
        ,use   *May be java.lang.StringIndexOutOfBoundsException: Range [27, 25) out of bounds for length 26
java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 43
       * GSUB/GPOS needed, so there may be no scripts found! */
   java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 0
  =HB_TAG('     :
returnjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
      else
    :
  }
}
   *

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0