| |
| #line 1 "hb-ot-shaper-khmer-machine.rl" |
| /* |
| * Copyright © 2011,2012 Google, Inc. |
| * |
| * This is part of HarfBuzz, a text shaping library. |
| * |
| * Permission is hereby granted, without written agreement and without |
| * license or royalty fees, to use, copy, modify, and distribute this |
| * software and its documentation for any purpose, provided that the |
| * above copyright notice and the following two paragraphs appear in |
| * all copies of this software. |
| * |
| * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR |
| * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES |
| * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN |
| * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
| * DAMAGE. |
| * |
| * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, |
| * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
| * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO |
| * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
| * |
| * Google Author(s): Behdad Esfahbod |
| */ |
| |
| #ifndef HB_OT_SHAPER_KHMER_MACHINE_HH |
| #define HB_OT_SHAPER_KHMER_MACHINE_HH |
| |
| #include "hb.hh" |
| |
| #include "hb-ot-layout.hh" |
| #include "hb-ot-shaper-indic.hh" |
| |
| /* buffer var allocations */ |
| #define khmer_category() ot_shaper_var_u8_category() /* khmer_category_t */ |
| |
| using khmer_category_t = unsigned; |
| |
| #define K_Cat(Cat) khmer_syllable_machine_ex_##Cat |
| |
| enum khmer_syllable_type_t { |
| khmer_consonant_syllable, |
| khmer_broken_cluster, |
| khmer_non_khmer_cluster, |
| }; |
| |
| |
| #line 49 "hb-ot-shaper-khmer-machine.hh" |
| #define khmer_syllable_machine_ex_C 1u |
| #define khmer_syllable_machine_ex_DOTTEDCIRCLE 11u |
| #define khmer_syllable_machine_ex_H 4u |
| #define khmer_syllable_machine_ex_PLACEHOLDER 10u |
| #define khmer_syllable_machine_ex_Ra 15u |
| #define khmer_syllable_machine_ex_Robatic 25u |
| #define khmer_syllable_machine_ex_V 2u |
| #define khmer_syllable_machine_ex_VAbv 20u |
| #define khmer_syllable_machine_ex_VBlw 21u |
| #define khmer_syllable_machine_ex_VPre 22u |
| #define khmer_syllable_machine_ex_VPst 23u |
| #define khmer_syllable_machine_ex_Xgroup 26u |
| #define khmer_syllable_machine_ex_Ygroup 27u |
| #define khmer_syllable_machine_ex_ZWJ 6u |
| #define khmer_syllable_machine_ex_ZWNJ 5u |
| |
| |
| #line 65 "hb-ot-shaper-khmer-machine.hh" |
| static const unsigned char _khmer_syllable_machine_trans_keys[] = { |
| 5u, 26u, 5u, 26u, 1u, 15u, 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, |
| 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 1u, 15u, 5u, 26u, 5u, 26u, |
| 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 5u, 26u, 1u, 27u, 4u, 27u, 1u, 15u, |
| 4u, 27u, 4u, 27u, 27u, 27u, 4u, 27u, 4u, 27u, 4u, 27u, 4u, 27u, 4u, 27u, |
| 4u, 27u, 1u, 15u, 4u, 27u, 4u, 27u, 27u, 27u, 4u, 27u, 4u, 27u, 4u, 27u, |
| 4u, 27u, 4u, 27u, 5u, 26u, 0 |
| }; |
| |
| static const char _khmer_syllable_machine_key_spans[] = { |
| 22, 22, 15, 22, 22, 22, 22, 22, |
| 22, 22, 22, 22, 22, 15, 22, 22, |
| 22, 22, 22, 22, 22, 27, 24, 15, |
| 24, 24, 1, 24, 24, 24, 24, 24, |
| 24, 15, 24, 24, 1, 24, 24, 24, |
| 24, 24, 22 |
| }; |
| |
| static const short _khmer_syllable_machine_index_offsets[] = { |
| 0, 23, 46, 62, 85, 108, 131, 154, |
| 177, 200, 223, 246, 269, 292, 308, 331, |
| 354, 377, 400, 423, 446, 469, 497, 522, |
| 538, 563, 588, 590, 615, 640, 665, 690, |
| 715, 740, 756, 781, 806, 808, 833, 858, |
| 883, 908, 933 |
| }; |
| |
| static const char _khmer_syllable_machine_indicies[] = { |
| 1, 1, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 2, |
| 0, 0, 0, 0, 3, 4, 0, 1, |
| 1, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 4, 0, 5, 5, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 5, 0, 1, 1, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 2, 0, 0, |
| 0, 0, 0, 4, 0, 6, 6, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 2, 0, 7, 7, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 8, 0, 9, 9, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 2, 0, 0, 0, 0, 0, |
| 10, 0, 9, 9, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 10, |
| 0, 11, 11, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 2, 0, 0, 0, 0, 0, 12, 0, |
| 11, 11, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 12, 0, 1, |
| 1, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 2, 0, |
| 0, 0, 0, 13, 4, 0, 15, 15, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 14, 14, 14, 14, 14, 16, 14, 14, |
| 14, 14, 17, 18, 14, 15, 15, 19, |
| 19, 19, 19, 19, 19, 19, 19, 19, |
| 19, 19, 19, 19, 19, 19, 19, 19, |
| 19, 19, 18, 19, 20, 20, 14, 14, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 14, 14, 20, 14, 15, 15, 14, 14, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 14, 14, 14, 16, 14, 14, 14, 14, |
| 14, 18, 14, 21, 21, 14, 14, 14, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 16, 14, 22, 22, 14, 14, 14, 14, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 14, 14, 14, 14, 14, 14, 14, 23, |
| 14, 24, 24, 14, 14, 14, 14, 14, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 16, 14, 14, 14, 14, 14, 25, 14, |
| 24, 24, 14, 14, 14, 14, 14, 14, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 14, 14, 14, 14, 14, 25, 14, 26, |
| 26, 14, 14, 14, 14, 14, 14, 14, |
| 14, 14, 14, 14, 14, 14, 16, 14, |
| 14, 14, 14, 14, 27, 14, 26, 26, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 14, 14, 14, 14, 14, 14, 14, 14, |
| 14, 14, 14, 27, 14, 29, 29, 28, |
| 30, 31, 31, 28, 28, 28, 13, 13, |
| 28, 28, 28, 29, 28, 28, 28, 28, |
| 16, 25, 27, 23, 28, 17, 18, 20, |
| 28, 33, 34, 34, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 2, 10, 12, 8, 32, 13, 4, |
| 5, 32, 35, 35, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 35, 32, 33, 36, 36, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 2, 10, 12, 8, 32, 3, |
| 4, 5, 32, 37, 38, 38, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 2, 10, 12, 8, 32, |
| 32, 4, 5, 32, 5, 32, 37, 6, |
| 6, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 8, 32, 32, 2, 5, 32, 37, |
| 7, 7, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 8, 5, 32, |
| 37, 39, 39, 32, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 2, 32, 32, 8, 32, 32, 10, 5, |
| 32, 37, 40, 40, 32, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 2, 10, 32, 8, 32, 32, 12, |
| 5, 32, 33, 38, 38, 32, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 2, 10, 12, 8, 32, 32, |
| 4, 5, 32, 33, 38, 38, 32, 32, |
| 32, 32, 32, 32, 32, 32, 32, 32, |
| 32, 32, 32, 2, 10, 12, 8, 32, |
| 3, 4, 5, 32, 42, 42, 41, 41, |
| 41, 41, 41, 41, 41, 41, 41, 41, |
| 41, 41, 42, 41, 30, 43, 43, 41, |
| 41, 41, 41, 41, 41, 41, 41, 41, |
| 41, 41, 41, 41, 16, 25, 27, 23, |
| 41, 17, 18, 20, 41, 44, 45, 45, |
| 41, 41, 41, 41, 41, 41, 41, 41, |
| 41, 41, 41, 41, 41, 16, 25, 27, |
| 23, 41, 41, 18, 20, 41, 20, 41, |
| 44, 21, 21, 41, 41, 41, 41, 41, |
| 41, 41, 41, 41, 41, 41, 41, 41, |
| 41, 41, 41, 23, 41, 41, 16, 20, |
| 41, 44, 22, 22, 41, 41, 41, 41, |
| 41, 41, 41, 41, 41, 41, 41, 41, |
| 41, 41, 41, 41, 41, 41, 41, 23, |
| 20, 41, 44, 46, 46, 41, 41, 41, |
| 41, 41, 41, 41, 41, 41, 41, 41, |
| 41, 41, 16, 41, 41, 23, 41, 41, |
| 25, 20, 41, 44, 47, 47, 41, 41, |
| 41, 41, 41, 41, 41, 41, 41, 41, |
| 41, 41, 41, 16, 25, 41, 23, 41, |
| 41, 27, 20, 41, 30, 45, 45, 41, |
| 41, 41, 41, 41, 41, 41, 41, 41, |
| 41, 41, 41, 41, 16, 25, 27, 23, |
| 41, 41, 18, 20, 41, 15, 15, 48, |
| 48, 48, 48, 48, 48, 48, 48, 48, |
| 48, 48, 48, 48, 16, 48, 48, 48, |
| 48, 48, 18, 48, 0 |
| }; |
| |
| static const char _khmer_syllable_machine_trans_targs[] = { |
| 21, 1, 27, 31, 25, 26, 4, 5, |
| 28, 7, 29, 9, 30, 32, 21, 12, |
| 37, 41, 35, 21, 36, 15, 16, 38, |
| 18, 39, 20, 40, 21, 22, 33, 42, |
| 21, 23, 10, 24, 0, 2, 3, 6, |
| 8, 21, 34, 11, 13, 14, 17, 19, |
| 21 |
| }; |
| |
| static const char _khmer_syllable_machine_trans_actions[] = { |
| 1, 0, 2, 2, 2, 0, 0, 0, |
| 2, 0, 2, 0, 2, 2, 3, 0, |
| 2, 4, 4, 5, 0, 0, 0, 2, |
| 0, 2, 0, 2, 8, 2, 0, 9, |
| 10, 0, 0, 2, 0, 0, 0, 0, |
| 0, 11, 4, 0, 0, 0, 0, 0, |
| 12 |
| }; |
| |
| static const char _khmer_syllable_machine_to_state_actions[] = { |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 6, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0 |
| }; |
| |
| static const char _khmer_syllable_machine_from_state_actions[] = { |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 7, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0, 0, 0, 0, 0, 0, |
| 0, 0, 0 |
| }; |
| |
| static const short _khmer_syllable_machine_eof_trans[] = { |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 15, 20, 15, 15, 15, |
| 15, 15, 15, 15, 15, 0, 33, 33, |
| 33, 33, 33, 33, 33, 33, 33, 33, |
| 33, 42, 42, 42, 42, 42, 42, 42, |
| 42, 42, 49 |
| }; |
| |
| static const int khmer_syllable_machine_start = 21; |
| static const int khmer_syllable_machine_first_final = 21; |
| static const int khmer_syllable_machine_error = -1; |
| |
| static const int khmer_syllable_machine_en_main = 21; |
| |
| |
| #line 53 "hb-ot-shaper-khmer-machine.rl" |
| |
| |
| |
| #line 102 "hb-ot-shaper-khmer-machine.rl" |
| |
| |
| #define found_syllable(syllable_type) \ |
| HB_STMT_START { \ |
| if (0) fprintf (stderr, "syllable %d..%d %s\n", ts, te, #syllable_type); \ |
| for (unsigned int i = ts; i < te; i++) \ |
| info[i].syllable() = (syllable_serial << 4) | syllable_type; \ |
| syllable_serial++; \ |
| if (unlikely (syllable_serial == 16)) syllable_serial = 1; \ |
| } HB_STMT_END |
| |
| inline void |
| find_syllables_khmer (hb_buffer_t *buffer) |
| { |
| unsigned int p, pe, eof, ts, te, act HB_UNUSED; |
| int cs; |
| hb_glyph_info_t *info = buffer->info; |
| |
| #line 287 "hb-ot-shaper-khmer-machine.hh" |
| { |
| cs = khmer_syllable_machine_start; |
| ts = 0; |
| te = 0; |
| act = 0; |
| } |
| |
| #line 122 "hb-ot-shaper-khmer-machine.rl" |
| |
| |
| p = 0; |
| pe = eof = buffer->len; |
| |
| unsigned int syllable_serial = 1; |
| |
| #line 299 "hb-ot-shaper-khmer-machine.hh" |
| { |
| int _slen; |
| int _trans; |
| const unsigned char *_keys; |
| const char *_inds; |
| if ( p == pe ) |
| goto _test_eof; |
| _resume: |
| switch ( _khmer_syllable_machine_from_state_actions[cs] ) { |
| case 7: |
| #line 1 "NONE" |
| {ts = p;} |
| break; |
| #line 311 "hb-ot-shaper-khmer-machine.hh" |
| } |
| |
| _keys = _khmer_syllable_machine_trans_keys + (cs<<1); |
| _inds = _khmer_syllable_machine_indicies + _khmer_syllable_machine_index_offsets[cs]; |
| |
| _slen = _khmer_syllable_machine_key_spans[cs]; |
| _trans = _inds[ _slen > 0 && _keys[0] <=( info[p].khmer_category()) && |
| ( info[p].khmer_category()) <= _keys[1] ? |
| ( info[p].khmer_category()) - _keys[0] : _slen ]; |
| |
| _eof_trans: |
| cs = _khmer_syllable_machine_trans_targs[_trans]; |
| |
| if ( _khmer_syllable_machine_trans_actions[_trans] == 0 ) |
| goto _again; |
| |
| switch ( _khmer_syllable_machine_trans_actions[_trans] ) { |
| case 2: |
| #line 1 "NONE" |
| {te = p+1;} |
| break; |
| case 8: |
| #line 98 "hb-ot-shaper-khmer-machine.rl" |
| {te = p+1;{ found_syllable (khmer_non_khmer_cluster); }} |
| break; |
| case 10: |
| #line 96 "hb-ot-shaper-khmer-machine.rl" |
| {te = p;p--;{ found_syllable (khmer_consonant_syllable); }} |
| break; |
| case 11: |
| #line 97 "hb-ot-shaper-khmer-machine.rl" |
| {te = p;p--;{ found_syllable (khmer_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }} |
| break; |
| case 12: |
| #line 98 "hb-ot-shaper-khmer-machine.rl" |
| {te = p;p--;{ found_syllable (khmer_non_khmer_cluster); }} |
| break; |
| case 1: |
| #line 96 "hb-ot-shaper-khmer-machine.rl" |
| {{p = ((te))-1;}{ found_syllable (khmer_consonant_syllable); }} |
| break; |
| case 3: |
| #line 97 "hb-ot-shaper-khmer-machine.rl" |
| {{p = ((te))-1;}{ found_syllable (khmer_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; }} |
| break; |
| case 5: |
| #line 1 "NONE" |
| { switch( act ) { |
| case 2: |
| {{p = ((te))-1;} found_syllable (khmer_broken_cluster); buffer->scratch_flags |= HB_BUFFER_SCRATCH_FLAG_HAS_BROKEN_SYLLABLE; } |
| break; |
| case 3: |
| {{p = ((te))-1;} found_syllable (khmer_non_khmer_cluster); } |
| break; |
| } |
| } |
| break; |
| case 4: |
| #line 1 "NONE" |
| {te = p+1;} |
| #line 97 "hb-ot-shaper-khmer-machine.rl" |
| {act = 2;} |
| break; |
| case 9: |
| #line 1 "NONE" |
| {te = p+1;} |
| #line 98 "hb-ot-shaper-khmer-machine.rl" |
| {act = 3;} |
| break; |
| #line 368 "hb-ot-shaper-khmer-machine.hh" |
| } |
| |
| _again: |
| switch ( _khmer_syllable_machine_to_state_actions[cs] ) { |
| case 6: |
| #line 1 "NONE" |
| {ts = 0;} |
| break; |
| #line 375 "hb-ot-shaper-khmer-machine.hh" |
| } |
| |
| if ( ++p != pe ) |
| goto _resume; |
| _test_eof: {} |
| if ( p == eof ) |
| { |
| if ( _khmer_syllable_machine_eof_trans[cs] > 0 ) { |
| _trans = _khmer_syllable_machine_eof_trans[cs] - 1; |
| goto _eof_trans; |
| } |
| } |
| |
| } |
| |
| #line 130 "hb-ot-shaper-khmer-machine.rl" |
| |
| } |
| |
| #undef found_syllable |
| |
| #endif /* HB_OT_SHAPER_KHMER_MACHINE_HH */ |