1 /* == Start of generated functions == */
3 * The following functions are generated by running:
5 * ./gen-vowel-constraints.py use Scripts.txt
7 * on files with these headers:
9 * # Copied from https://docs.microsoft.com/en-us/typography/script-development/use
10 * # On October 23, 2018; with documentd dated 02/07/2018.
12 * # Scripts-11.0.0.txt
13 * # Date: 2018-02-21, 05:34:31 GMT
16 #include "hb-ot-shape-complex-vowel-constraints.hh"
19 _output_dotted_circle (hb_buffer_t *buffer)
21 hb_glyph_info_t &dottedcircle = buffer->output_glyph (0x25CCu);
22 _hb_glyph_info_reset_continuation (&dottedcircle);
26 _output_with_dotted_circle (hb_buffer_t *buffer)
28 _output_dotted_circle (buffer);
29 buffer->next_glyph ();
33 _hb_preprocess_text_vowel_constraints (const hb_ot_shape_plan_t *plan HB_UNUSED,
35 hb_font_t *font HB_UNUSED)
37 /* UGLY UGLY UGLY business of adding dotted-circle in the middle of
38 * vowel-sequences that look like another vowel. Data for each script
39 * collected from the USE script development spec.
41 * https://github.com/harfbuzz/harfbuzz/issues/1019
43 bool processed = false;
44 buffer->clear_output ();
45 unsigned int count = buffer->len;
46 switch ((unsigned) buffer->props.script)
48 case HB_SCRIPT_DEVANAGARI:
49 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
52 switch (buffer->cur ().codepoint)
55 switch (buffer->cur (1).codepoint)
57 case 0x093Au: case 0x093Bu: case 0x093Eu: case 0x0945u:
58 case 0x0946u: case 0x0949u: case 0x094Au: case 0x094Bu:
59 case 0x094Cu: case 0x094Fu: case 0x0956u: case 0x0957u:
65 switch (buffer->cur (1).codepoint)
67 case 0x093Au: case 0x0945u: case 0x0946u: case 0x0947u:
74 matched = 0x0941u == buffer->cur (1).codepoint;
77 switch (buffer->cur (1).codepoint)
79 case 0x0945u: case 0x0946u: case 0x0947u:
85 if (0x094Du == buffer->cur (1).codepoint &&
86 buffer->idx + 2 < count &&
87 0x0907u == buffer->cur (2).codepoint)
89 buffer->next_glyph ();
90 buffer->next_glyph ();
91 _output_dotted_circle (buffer);
95 buffer->next_glyph ();
96 if (matched) _output_with_dotted_circle (buffer);
101 case HB_SCRIPT_BENGALI:
102 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
104 bool matched = false;
105 switch (buffer->cur ().codepoint)
108 matched = 0x09BEu == buffer->cur (1).codepoint;
111 matched = 0x09C3u == buffer->cur (1).codepoint;
114 matched = 0x09E2u == buffer->cur (1).codepoint;
117 buffer->next_glyph ();
118 if (matched) _output_with_dotted_circle (buffer);
123 case HB_SCRIPT_GURMUKHI:
124 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
126 bool matched = false;
127 switch (buffer->cur ().codepoint)
130 switch (buffer->cur (1).codepoint)
132 case 0x0A3Eu: case 0x0A48u: case 0x0A4Cu:
138 switch (buffer->cur (1).codepoint)
140 case 0x0A3Fu: case 0x0A40u: case 0x0A47u:
146 switch (buffer->cur (1).codepoint)
148 case 0x0A41u: case 0x0A42u: case 0x0A4Bu:
154 buffer->next_glyph ();
155 if (matched) _output_with_dotted_circle (buffer);
160 case HB_SCRIPT_GUJARATI:
161 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
163 bool matched = false;
164 switch (buffer->cur ().codepoint)
167 switch (buffer->cur (1).codepoint)
169 case 0x0ABEu: case 0x0AC5u: case 0x0AC7u: case 0x0AC8u:
170 case 0x0AC9u: case 0x0ACBu: case 0x0ACCu:
176 matched = 0x0ABEu == buffer->cur (1).codepoint;
179 buffer->next_glyph ();
180 if (matched) _output_with_dotted_circle (buffer);
185 case HB_SCRIPT_ORIYA:
186 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
188 bool matched = false;
189 switch (buffer->cur ().codepoint)
192 matched = 0x0B3Eu == buffer->cur (1).codepoint;
194 case 0x0B0Fu: case 0x0B13u:
195 matched = 0x0B57u == buffer->cur (1).codepoint;
198 buffer->next_glyph ();
199 if (matched) _output_with_dotted_circle (buffer);
204 case HB_SCRIPT_TELUGU:
205 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
207 bool matched = false;
208 switch (buffer->cur ().codepoint)
211 switch (buffer->cur (1).codepoint)
213 case 0x0C4Cu: case 0x0C55u:
218 case 0x0C3Fu: case 0x0C46u: case 0x0C4Au:
219 matched = 0x0C55u == buffer->cur (1).codepoint;
222 buffer->next_glyph ();
223 if (matched) _output_with_dotted_circle (buffer);
228 case HB_SCRIPT_KANNADA:
229 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
231 bool matched = false;
232 switch (buffer->cur ().codepoint)
234 case 0x0C89u: case 0x0C8Bu:
235 matched = 0x0CBEu == buffer->cur (1).codepoint;
238 matched = 0x0CCCu == buffer->cur (1).codepoint;
241 buffer->next_glyph ();
242 if (matched) _output_with_dotted_circle (buffer);
247 case HB_SCRIPT_MALAYALAM:
248 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
250 bool matched = false;
251 switch (buffer->cur ().codepoint)
253 case 0x0D07u: case 0x0D09u:
254 matched = 0x0D57u == buffer->cur (1).codepoint;
257 matched = 0x0D46u == buffer->cur (1).codepoint;
260 switch (buffer->cur (1).codepoint)
262 case 0x0D3Eu: case 0x0D57u:
268 buffer->next_glyph ();
269 if (matched) _output_with_dotted_circle (buffer);
274 case HB_SCRIPT_SINHALA:
275 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
277 bool matched = false;
278 switch (buffer->cur ().codepoint)
281 switch (buffer->cur (1).codepoint)
283 case 0x0DCFu: case 0x0DD0u: case 0x0DD1u:
288 case 0x0D8Bu: case 0x0D8Fu: case 0x0D94u:
289 matched = 0x0DDFu == buffer->cur (1).codepoint;
292 matched = 0x0DD8u == buffer->cur (1).codepoint;
295 switch (buffer->cur (1).codepoint)
297 case 0x0DCAu: case 0x0DD9u: case 0x0DDAu: case 0x0DDCu:
304 buffer->next_glyph ();
305 if (matched) _output_with_dotted_circle (buffer);
310 case HB_SCRIPT_BRAHMI:
311 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
313 bool matched = false;
314 switch (buffer->cur ().codepoint)
317 matched = 0x11038u == buffer->cur (1).codepoint;
320 matched = 0x1103Eu == buffer->cur (1).codepoint;
323 matched = 0x11042u == buffer->cur (1).codepoint;
326 buffer->next_glyph ();
327 if (matched) _output_with_dotted_circle (buffer);
332 case HB_SCRIPT_KHUDAWADI:
333 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
335 bool matched = false;
336 switch (buffer->cur ().codepoint)
339 switch (buffer->cur (1).codepoint)
341 case 0x112E0u: case 0x112E5u: case 0x112E6u: case 0x112E7u:
348 buffer->next_glyph ();
349 if (matched) _output_with_dotted_circle (buffer);
354 case HB_SCRIPT_TIRHUTA:
355 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
357 bool matched = false;
358 switch (buffer->cur ().codepoint)
361 matched = 0x114B0u == buffer->cur (1).codepoint;
363 case 0x1148Bu: case 0x1148Du:
364 matched = 0x114BAu == buffer->cur (1).codepoint;
367 switch (buffer->cur (1).codepoint)
369 case 0x114B5u: case 0x114B6u:
375 buffer->next_glyph ();
376 if (matched) _output_with_dotted_circle (buffer);
382 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
384 bool matched = false;
385 switch (buffer->cur ().codepoint)
387 case 0x11600u: case 0x11601u:
388 switch (buffer->cur (1).codepoint)
390 case 0x11639u: case 0x1163Au:
396 buffer->next_glyph ();
397 if (matched) _output_with_dotted_circle (buffer);
402 case HB_SCRIPT_TAKRI:
403 for (buffer->idx = 0; buffer->idx + 1 < count && buffer->successful;)
405 bool matched = false;
406 switch (buffer->cur ().codepoint)
409 switch (buffer->cur (1).codepoint)
411 case 0x116ADu: case 0x116B4u: case 0x116B5u:
417 matched = 0x116B2u == buffer->cur (1).codepoint;
420 buffer->next_glyph ();
421 if (matched) _output_with_dotted_circle (buffer);
431 if (buffer->idx < count)
432 buffer->next_glyph ();
433 buffer->swap_buffers ();
437 /* == End of generated functions == */