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[USE] Allow ZWNJ at the end of a cluster

This commit is contained in:
David Corbett 2022-09-01 20:20:44 -04:00 committed by Behdad Esfahbod
parent a3e6dbbb43
commit 09b9a1ffdd
4 changed files with 700 additions and 550 deletions
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1233
src/hb-ot-shaper-use-machine.hh
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16
src/hb-ot-shaper-use-machine.rl
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@ -167,14 +167,14 @@ hieroglyph_cluster = SB+ | SB* G SE* (J SE* (G SE*)?)*;
other = any;
main := |*
virama_terminated_cluster => { found_syllable (use_virama_terminated_cluster); };
sakot_terminated_cluster => { found_syllable (use_sakot_terminated_cluster); };
standard_cluster => { found_syllable (use_standard_cluster); };
number_joiner_terminated_cluster => { found_syllable (use_number_joiner_terminated_cluster); };
numeral_cluster => { found_syllable (use_numeral_cluster); };
symbol_cluster => { found_syllable (use_symbol_cluster); };
hieroglyph_cluster => { found_syllable (use_hieroglyph_cluster); };
broken_cluster => { found_syllable (use_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; };
virama_terminated_cluster ZWNJ? => { found_syllable (use_virama_terminated_cluster); };
sakot_terminated_cluster ZWNJ? => { found_syllable (use_sakot_terminated_cluster); };
standard_cluster ZWNJ? => { found_syllable (use_standard_cluster); };
number_joiner_terminated_cluster ZWNJ? => { found_syllable (use_number_joiner_terminated_cluster); };
numeral_cluster ZWNJ? => { found_syllable (use_numeral_cluster); };
symbol_cluster ZWNJ? => { found_syllable (use_symbol_cluster); };
hieroglyph_cluster ZWNJ? => { found_syllable (use_hieroglyph_cluster); };
broken_cluster ZWNJ? => { found_syllable (use_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; };
other => { found_syllable (use_non_cluster); };
*|;

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test/shape/data/in-house/fonts/a56745bac8449d0ad94918b2bb5930716ba02fe3.ttf Normal file
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test/shape/data/in-house/tests/use-syllable.tests
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@ -21,3 +21,4 @@
../fonts/e68a88939e0f06e34d2bc911f09b70890289c8fd.ttf;;U+AA00,U+200C,U+AA34;[raMedial_cham_pre=0+400|a_cham=0+1121]
../fonts/2a670df15b73a5dc75a5cc491bde5ac93c5077dc.ttf;;U+11124,U+200D,U+11127;[u11124=0+514|u11127=0+0]
../fonts/2a670df15b73a5dc75a5cc491bde5ac93c5077dc.ttf;;U+11124,U+2060,U+11127;[u11124=0+514|uni25CC=1+547|u11127=1+0]
../fonts/a56745bac8449d0ad94918b2bb5930716ba02fe3.ttf;;U+1142C,U+11442,U+200C,U+1142E;[u1142C=0+547|u11442=0+0|u1142E=3+547]