src/hb-ot-shape-complex-vowel-constraints.cc - third_party/harfbuzz - Git at Google

 /* == 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-12.0.0.txt
  * # Date: 2019-01-28, 22:16:47 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)
 {
   if (buffer->flags & HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE)
     return;

   /* 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 == */
	/* == 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-12.0.0.txt
	* # Date: 2019-01-28, 22:16:47 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)
	{
	if (buffer->flags & HB_BUFFER_FLAG_DO_NOT_INSERT_DOTTED_CIRCLE)
	return;

	/* 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 == */