/* == Start of generated functions == */
/*
* The following functions are generated by running:
*
* ./gen-vowel-constraints.py ms-use/IndicShapingInvalidCluster.txt Scripts.txt
*
* on files with these headers:
*
* # IndicShapingInvalidCluster.txt
* # Date: 2015-03-12, 21:17:00 GMT [AG]
* # Date: 2019-11-08, 23:22:00 GMT [AG]
*
* # Scripts-16.0.0.txt
* # Date: 2024-04-30, 21:48:40 GMT
*/
#include "hb.hh"
#ifndef HB_NO_OT_SHAPE
#include "hb-ot-shaper-vowel-constraints.hh"
static void
_output_dotted_circle (hb_buffer_t *buffer)
{
(
void) buffer->output_glyph (0x25CCu);
_hb_glyph_info_reset_continuation (&buffer->prev());
}
static void
_output_with_dotted_circle (hb_buffer_t *buffer)
{
_output_dotted_circle (buffer);
(
void) 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)
{
#ifdef HB_NO_OT_SHAPER_VOWEL_CONSTRAINTS
return;
#endif
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
*/
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)
{
(
void) buffer->next_glyph ();
matched =
true;
}
break;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
break;
case HB_SCRIPT_TAMIL:
for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
{
bool matched =
false;
if (0x0B85u == buffer->cur ().codepoint &&
0x0BC2u == buffer->cur (1).codepoint)
{
matched =
true;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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:
case 0x0DDEu:
matched =
true;
break;
}
break;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
break;
case HB_SCRIPT_KHOJKI:
for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
{
bool matched =
false;
switch (buffer->cur ().codepoint)
{
case 0x11200u:
switch (buffer->cur (1).codepoint)
{
case 0x1122Cu:
case 0x11231u:
case 0x11233u:
matched =
true;
break;
}
break;
case 0x11206u:
matched = 0x1122Cu == buffer->cur (1).codepoint;
break;
case 0x1122Cu:
switch (buffer->cur (1).codepoint)
{
case 0x11230u:
case 0x11231u:
matched =
true;
break;
}
break;
case 0x11240u:
matched = 0x1122Eu == buffer->cur (1).codepoint;
break;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
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;
}
(
void) buffer->next_glyph ();
if (matched) _output_with_dotted_circle (buffer);
}
break;
default:
break;
}
buffer->sync ();
}
#endif
/* == End of generated functions == */
