/* == Start of generated functions == */

/*

 * The following functions are generated by running:

 *

 *   ./gen-vowel-constraints.py use Scripts.txt

 *

 * on files with these headers:

 *

 * # Copied from https://docs.microsoft.com/en-us/typography/script-development/use

 * # On October 23, 2018; with documentd dated 02/07/2018.

 *

 * # Scripts-11.0.0.txt

 * # Date: 2018-02-21, 05:34:31 GMT

 */

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

static void

_output_dotted_circle (hb_buffer_t *buffer)

{

  hb_glyph_info_t &dottedcircle = buffer->output_glyph (0x25CCu);

  _hb_glyph_info_reset_continuation (&dottedcircle);

}

static void

_output_with_dotted_circle (hb_buffer_t *buffer)

{

  _output_dotted_circle (buffer);

  buffer->next_glyph ();

}

void

_hb_preprocess_text_vowel_constraints (const hb_ot_shape_plan_t *plan HB_UNUSED,

                                       hb_buffer_t              *buffer,

                                       hb_font_t                *font HB_UNUSED)

{

  /* UGLY UGLY UGLY business of adding dotted-circle in the middle of

   * vowel-sequences that look like another vowel.  Data for each script

   * collected from the USE script development spec.

   *

   * https://github.com/harfbuzz/harfbuzz/issues/1019

   */

  bool processed = false;

  buffer->clear_output ();

  unsigned int count = buffer->len;

  switch ((unsigned) buffer->props.script)

  {

    case HB_SCRIPT_DEVANAGARI:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x0905u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x093Au: case 0x093Bu: case 0x093Eu: case 0x0945u:

              case 0x0946u: case 0x0949u: case 0x094Au: case 0x094Bu:

              case 0x094Cu: case 0x094Fu: case 0x0956u: case 0x0957u:

                matched = true;

                break;

            }

            break;

          case 0x0906u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x093Au: case 0x0945u: case 0x0946u: case 0x0947u:

              case 0x0948u:

                matched = true;

                break;

            }

            break;

          case 0x0909u:

            matched = 0x0941u == buffer->cur (1).codepoint;

            break;

          case 0x090Fu:

            switch (buffer->cur (1).codepoint)

            {

              case 0x0945u: case 0x0946u: case 0x0947u:

                matched = true;

                break;

            }

            break;

          case 0x0930u:

            if (0x094Du == buffer->cur (1).codepoint &&

                buffer->idx + 2 < count &&

                0x0907u == buffer->cur (2).codepoint)

            {

              buffer->next_glyph ();

              buffer->next_glyph ();

              _output_dotted_circle (buffer);

            }

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_BENGALI:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x0985u:

            matched = 0x09BEu == buffer->cur (1).codepoint;

            break;

          case 0x098Bu:

            matched = 0x09C3u == buffer->cur (1).codepoint;

            break;

          case 0x098Cu:

            matched = 0x09E2u == buffer->cur (1).codepoint;

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_GURMUKHI:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x0A05u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x0A3Eu: case 0x0A48u: case 0x0A4Cu:

                matched = true;

                break;

            }

            break;

          case 0x0A72u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x0A3Fu: case 0x0A40u: case 0x0A47u:

                matched = true;

                break;

            }

            break;

          case 0x0A73u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x0A41u: case 0x0A42u: case 0x0A4Bu:

                matched = true;

                break;

            }

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_GUJARATI:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x0A85u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x0ABEu: case 0x0AC5u: case 0x0AC7u: case 0x0AC8u:

              case 0x0AC9u: case 0x0ACBu: case 0x0ACCu:

                matched = true;

                break;

            }

            break;

          case 0x0AC5u:

            matched = 0x0ABEu == buffer->cur (1).codepoint;

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_ORIYA:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x0B05u:

            matched = 0x0B3Eu == buffer->cur (1).codepoint;

            break;

          case 0x0B0Fu: case 0x0B13u:

            matched = 0x0B57u == buffer->cur (1).codepoint;

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_TELUGU:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x0C12u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x0C4Cu: case 0x0C55u:

                matched = true;

                break;

            }

            break;

          case 0x0C3Fu: case 0x0C46u: case 0x0C4Au:

            matched = 0x0C55u == buffer->cur (1).codepoint;

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_KANNADA:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x0C89u: case 0x0C8Bu:

            matched = 0x0CBEu == buffer->cur (1).codepoint;

            break;

          case 0x0C92u:

            matched = 0x0CCCu == buffer->cur (1).codepoint;

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_MALAYALAM:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x0D07u: case 0x0D09u:

            matched = 0x0D57u == buffer->cur (1).codepoint;

            break;

          case 0x0D0Eu:

            matched = 0x0D46u == buffer->cur (1).codepoint;

            break;

          case 0x0D12u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x0D3Eu: case 0x0D57u:

                matched = true;

                break;

            }

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_SINHALA:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x0D85u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x0DCFu: case 0x0DD0u: case 0x0DD1u:

                matched = true;

                break;

            }

            break;

          case 0x0D8Bu: case 0x0D8Fu: case 0x0D94u:

            matched = 0x0DDFu == buffer->cur (1).codepoint;

            break;

          case 0x0D8Du:

            matched = 0x0DD8u == buffer->cur (1).codepoint;

            break;

          case 0x0D91u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x0DCAu: case 0x0DD9u: case 0x0DDAu: case 0x0DDCu:

              case 0x0DDDu:

                matched = true;

                break;

            }

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_BRAHMI:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x11005u:

            matched = 0x11038u == buffer->cur (1).codepoint;

            break;

          case 0x1100Bu:

            matched = 0x1103Eu == buffer->cur (1).codepoint;

            break;

          case 0x1100Fu:

            matched = 0x11042u == buffer->cur (1).codepoint;

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_KHUDAWADI:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x112B0u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x112E0u: case 0x112E5u: case 0x112E6u: case 0x112E7u:

              case 0x112E8u:

                matched = true;

                break;

            }

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_TIRHUTA:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x11481u:

            matched = 0x114B0u == buffer->cur (1).codepoint;

            break;

          case 0x1148Bu: case 0x1148Du:

            matched = 0x114BAu == buffer->cur (1).codepoint;

            break;

          case 0x114AAu:

            switch (buffer->cur (1).codepoint)

            {

              case 0x114B5u: case 0x114B6u:

                matched = true;

                break;

            }

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_MODI:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x11600u: case 0x11601u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x11639u: case 0x1163Au:

                matched = true;

                break;

            }

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    case HB_SCRIPT_TAKRI:

      for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)

      {

        bool matched = false;

        switch (buffer->cur ().codepoint)

        {

          case 0x11680u:

            switch (buffer->cur (1).codepoint)

            {

              case 0x116ADu: case 0x116B4u: case 0x116B5u:

                matched = true;

                break;

            }

            break;

          case 0x11686u:

            matched = 0x116B2u == buffer->cur (1).codepoint;

            break;

        }

        buffer->next_glyph ();

        if (matched) _output_with_dotted_circle (buffer);

      }

      processed = true;

      break;

    default:

      break;

  }

  if (processed)

  {

    if (buffer->idx < count)

      buffer->next_glyph ();

    buffer->swap_buffers ();

  }

}

/* == End of generated functions == */