397 lines
11 KiB
C++
397 lines
11 KiB
C++
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#line 1 "hb-ot-shape-complex-khmer-machine.rl"
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/*
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* Copyright © 2011,2012 Google, Inc.
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*
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* This is part of HarfBuzz, a text shaping library.
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*
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* Permission is hereby granted, without written agreement and without
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* license or royalty fees, to use, copy, modify, and distribute this
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* software and its documentation for any purpose, provided that the
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* above copyright notice and the following two paragraphs appear in
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* all copies of this software.
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*
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
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* DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
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* ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
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* IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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* DAMAGE.
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*
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* THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
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* BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS
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* ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
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* PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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*
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* Google Author(s): Behdad Esfahbod
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*/
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#ifndef HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH
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#define HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH
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#include "hb.hh"
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enum khmer_syllable_type_t {
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khmer_consonant_syllable,
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khmer_broken_cluster,
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khmer_non_khmer_cluster,
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};
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#line 42 "hb-ot-shape-complex-khmer-machine.hh"
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#define khmer_syllable_machine_ex_C 1u
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#define khmer_syllable_machine_ex_Coeng 14u
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#define khmer_syllable_machine_ex_DOTTEDCIRCLE 12u
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#define khmer_syllable_machine_ex_PLACEHOLDER 11u
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#define khmer_syllable_machine_ex_Ra 16u
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#define khmer_syllable_machine_ex_Robatic 20u
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#define khmer_syllable_machine_ex_V 2u
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#define khmer_syllable_machine_ex_VAbv 26u
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#define khmer_syllable_machine_ex_VBlw 27u
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#define khmer_syllable_machine_ex_VPre 28u
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#define khmer_syllable_machine_ex_VPst 29u
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#define khmer_syllable_machine_ex_Xgroup 21u
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#define khmer_syllable_machine_ex_Ygroup 22u
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#define khmer_syllable_machine_ex_ZWJ 6u
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#define khmer_syllable_machine_ex_ZWNJ 5u
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#line 60 "hb-ot-shape-complex-khmer-machine.hh"
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static const unsigned char _khmer_syllable_machine_trans_keys[] = {
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5u, 26u, 5u, 21u, 5u, 26u, 5u, 21u, 1u, 16u, 5u, 21u, 5u, 26u, 5u, 21u,
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5u, 26u, 5u, 21u, 5u, 21u, 5u, 26u, 5u, 21u, 1u, 16u, 5u, 21u, 5u, 26u,
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5u, 21u, 5u, 26u, 5u, 21u, 5u, 26u, 1u, 29u, 5u, 29u, 5u, 29u, 5u, 29u,
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22u, 22u, 5u, 22u, 5u, 29u, 5u, 29u, 5u, 29u, 1u, 16u, 5u, 26u, 5u, 29u,
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5u, 29u, 22u, 22u, 5u, 22u, 5u, 29u, 5u, 29u, 1u, 16u, 5u, 29u, 5u, 29u,
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0
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};
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static const char _khmer_syllable_machine_key_spans[] = {
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22, 17, 22, 17, 16, 17, 22, 17,
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22, 17, 17, 22, 17, 16, 17, 22,
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17, 22, 17, 22, 29, 25, 25, 25,
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1, 18, 25, 25, 25, 16, 22, 25,
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25, 1, 18, 25, 25, 16, 25, 25
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};
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static const short _khmer_syllable_machine_index_offsets[] = {
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0, 23, 41, 64, 82, 99, 117, 140,
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158, 181, 199, 217, 240, 258, 275, 293,
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316, 334, 357, 375, 398, 428, 454, 480,
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506, 508, 527, 553, 579, 605, 622, 645,
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671, 697, 699, 718, 744, 770, 787, 813
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};
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static const char _khmer_syllable_machine_indicies[] = {
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1, 1, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 2,
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3, 0, 0, 0, 0, 4, 0, 1,
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1, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 3,
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0, 1, 1, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 3, 0, 0, 0, 0, 4, 0,
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5, 5, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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4, 0, 6, 6, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 6, 0, 7, 7, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 8, 0, 9, 9, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 10, 0, 0,
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0, 0, 4, 0, 9, 9, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 10, 0, 11, 11,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 12, 0,
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0, 0, 0, 4, 0, 11, 11, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 12, 0, 14,
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14, 13, 13, 13, 13, 13, 13, 13,
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13, 13, 13, 13, 13, 13, 13, 15,
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13, 14, 14, 16, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 16, 16, 16,
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16, 15, 16, 16, 16, 16, 17, 16,
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18, 18, 16, 16, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 16, 16, 16,
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17, 16, 19, 19, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 16, 16, 16,
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16, 19, 16, 20, 20, 16, 16, 16,
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16, 16, 16, 16, 16, 16, 16, 16,
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16, 16, 16, 21, 16, 22, 22, 16,
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16, 16, 16, 16, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 23, 16, 16,
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16, 16, 17, 16, 22, 22, 16, 16,
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16, 16, 16, 16, 16, 16, 16, 16,
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16, 16, 16, 16, 23, 16, 24, 24,
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16, 16, 16, 16, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 16, 25, 16,
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16, 16, 16, 17, 16, 24, 24, 16,
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16, 16, 16, 16, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 25, 16, 14,
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14, 16, 16, 16, 16, 16, 16, 16,
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16, 16, 16, 16, 16, 16, 26, 15,
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16, 16, 16, 16, 17, 16, 28, 28,
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27, 27, 29, 29, 27, 27, 27, 27,
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2, 2, 27, 30, 27, 28, 27, 27,
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27, 27, 15, 19, 27, 27, 27, 17,
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23, 25, 21, 27, 32, 32, 31, 31,
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31, 31, 31, 31, 31, 33, 31, 31,
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31, 31, 31, 2, 3, 6, 31, 31,
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31, 4, 10, 12, 8, 31, 34, 34,
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31, 31, 31, 31, 31, 31, 31, 35,
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31, 31, 31, 31, 31, 31, 3, 6,
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31, 31, 31, 4, 10, 12, 8, 31,
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5, 5, 31, 31, 31, 31, 31, 31,
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31, 35, 31, 31, 31, 31, 31, 31,
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4, 6, 31, 31, 31, 31, 31, 31,
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8, 31, 6, 31, 7, 7, 31, 31,
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31, 31, 31, 31, 31, 35, 31, 31,
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31, 31, 31, 31, 8, 6, 31, 36,
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36, 31, 31, 31, 31, 31, 31, 31,
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35, 31, 31, 31, 31, 31, 31, 10,
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6, 31, 31, 31, 4, 31, 31, 8,
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31, 37, 37, 31, 31, 31, 31, 31,
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31, 31, 35, 31, 31, 31, 31, 31,
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31, 12, 6, 31, 31, 31, 4, 10,
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31, 8, 31, 34, 34, 31, 31, 31,
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31, 31, 31, 31, 33, 31, 31, 31,
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31, 31, 31, 3, 6, 31, 31, 31,
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4, 10, 12, 8, 31, 28, 28, 31,
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31, 31, 31, 31, 31, 31, 31, 31,
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31, 31, 31, 31, 28, 31, 14, 14,
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38, 38, 38, 38, 38, 38, 38, 38,
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38, 38, 38, 38, 38, 38, 15, 38,
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38, 38, 38, 17, 38, 40, 40, 39,
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39, 39, 39, 39, 39, 39, 41, 39,
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39, 39, 39, 39, 39, 15, 19, 39,
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39, 39, 17, 23, 25, 21, 39, 18,
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18, 39, 39, 39, 39, 39, 39, 39,
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41, 39, 39, 39, 39, 39, 39, 17,
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19, 39, 39, 39, 39, 39, 39, 21,
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39, 19, 39, 20, 20, 39, 39, 39,
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39, 39, 39, 39, 41, 39, 39, 39,
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39, 39, 39, 21, 19, 39, 42, 42,
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39, 39, 39, 39, 39, 39, 39, 41,
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39, 39, 39, 39, 39, 39, 23, 19,
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39, 39, 39, 17, 39, 39, 21, 39,
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43, 43, 39, 39, 39, 39, 39, 39,
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39, 41, 39, 39, 39, 39, 39, 39,
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25, 19, 39, 39, 39, 17, 23, 39,
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21, 39, 44, 44, 39, 39, 39, 39,
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39, 39, 39, 39, 39, 39, 39, 39,
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39, 44, 39, 45, 45, 39, 39, 39,
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39, 39, 39, 39, 30, 39, 39, 39,
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39, 39, 26, 15, 19, 39, 39, 39,
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17, 23, 25, 21, 39, 40, 40, 39,
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39, 39, 39, 39, 39, 39, 30, 39,
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39, 39, 39, 39, 39, 15, 19, 39,
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39, 39, 17, 23, 25, 21, 39, 0
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};
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static const char _khmer_syllable_machine_trans_targs[] = {
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20, 1, 28, 22, 23, 3, 24, 5,
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25, 7, 26, 9, 27, 20, 10, 31,
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20, 32, 12, 33, 14, 34, 16, 35,
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18, 36, 39, 20, 21, 30, 37, 20,
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0, 29, 2, 4, 6, 8, 20, 20,
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11, 13, 15, 17, 38, 19
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};
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static const char _khmer_syllable_machine_trans_actions[] = {
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1, 0, 2, 2, 2, 0, 0, 0,
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2, 0, 2, 0, 2, 3, 0, 4,
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5, 2, 0, 0, 0, 2, 0, 2,
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0, 2, 4, 8, 2, 9, 0, 10,
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0, 0, 0, 0, 0, 0, 11, 12,
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0, 0, 0, 0, 4, 0
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};
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static const char _khmer_syllable_machine_to_state_actions[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 6, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0
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};
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static const char _khmer_syllable_machine_from_state_actions[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 7, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0
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};
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static const unsigned char _khmer_syllable_machine_eof_trans[] = {
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1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 14, 17, 17, 17, 17, 17,
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17, 17, 17, 17, 0, 32, 32, 32,
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32, 32, 32, 32, 32, 32, 39, 40,
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40, 40, 40, 40, 40, 40, 40, 40
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};
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static const int khmer_syllable_machine_start = 20;
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static const int khmer_syllable_machine_first_final = 20;
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static const int khmer_syllable_machine_error = -1;
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static const int khmer_syllable_machine_en_main = 20;
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#line 43 "hb-ot-shape-complex-khmer-machine.rl"
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#line 86 "hb-ot-shape-complex-khmer-machine.rl"
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#define found_syllable(syllable_type) \
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HB_STMT_START { \
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if (0) fprintf (stderr, "syllable %d..%d %s\n", ts, te, #syllable_type); \
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for (unsigned int i = ts; i < te; i++) \
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info[i].syllable() = (syllable_serial << 4) | syllable_type; \
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syllable_serial++; \
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if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
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} HB_STMT_END
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static void
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find_syllables_khmer (hb_buffer_t *buffer)
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{
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unsigned int p, pe, eof, ts, te, act HB_UNUSED;
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int cs;
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hb_glyph_info_t *info = buffer->info;
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#line 266 "hb-ot-shape-complex-khmer-machine.hh"
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{
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cs = khmer_syllable_machine_start;
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ts = 0;
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te = 0;
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act = 0;
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}
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#line 106 "hb-ot-shape-complex-khmer-machine.rl"
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p = 0;
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pe = eof = buffer->len;
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unsigned int syllable_serial = 1;
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#line 282 "hb-ot-shape-complex-khmer-machine.hh"
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{
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int _slen;
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int _trans;
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const unsigned char *_keys;
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const char *_inds;
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if ( p == pe )
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goto _test_eof;
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_resume:
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switch ( _khmer_syllable_machine_from_state_actions[cs] ) {
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case 7:
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#line 1 "NONE"
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{ts = p;}
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break;
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#line 296 "hb-ot-shape-complex-khmer-machine.hh"
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}
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_keys = _khmer_syllable_machine_trans_keys + (cs<<1);
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_inds = _khmer_syllable_machine_indicies + _khmer_syllable_machine_index_offsets[cs];
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_slen = _khmer_syllable_machine_key_spans[cs];
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_trans = _inds[ _slen > 0 && _keys[0] <=( info[p].khmer_category()) &&
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( info[p].khmer_category()) <= _keys[1] ?
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( info[p].khmer_category()) - _keys[0] : _slen ];
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_eof_trans:
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cs = _khmer_syllable_machine_trans_targs[_trans];
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if ( _khmer_syllable_machine_trans_actions[_trans] == 0 )
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goto _again;
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switch ( _khmer_syllable_machine_trans_actions[_trans] ) {
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case 2:
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#line 1 "NONE"
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{te = p+1;}
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break;
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case 8:
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#line 82 "hb-ot-shape-complex-khmer-machine.rl"
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{te = p+1;{ found_syllable (khmer_non_khmer_cluster); }}
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break;
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case 10:
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#line 80 "hb-ot-shape-complex-khmer-machine.rl"
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{te = p;p--;{ found_syllable (khmer_consonant_syllable); }}
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break;
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case 12:
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#line 81 "hb-ot-shape-complex-khmer-machine.rl"
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{te = p;p--;{ found_syllable (khmer_broken_cluster); }}
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break;
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case 11:
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#line 82 "hb-ot-shape-complex-khmer-machine.rl"
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{te = p;p--;{ found_syllable (khmer_non_khmer_cluster); }}
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break;
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case 1:
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#line 80 "hb-ot-shape-complex-khmer-machine.rl"
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{{p = ((te))-1;}{ found_syllable (khmer_consonant_syllable); }}
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break;
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case 5:
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#line 81 "hb-ot-shape-complex-khmer-machine.rl"
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{{p = ((te))-1;}{ found_syllable (khmer_broken_cluster); }}
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break;
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case 3:
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#line 1 "NONE"
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{ switch( act ) {
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case 2:
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{{p = ((te))-1;} found_syllable (khmer_broken_cluster); }
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break;
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case 3:
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{{p = ((te))-1;} found_syllable (khmer_non_khmer_cluster); }
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break;
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}
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}
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break;
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case 4:
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#line 1 "NONE"
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{te = p+1;}
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#line 81 "hb-ot-shape-complex-khmer-machine.rl"
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{act = 2;}
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break;
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case 9:
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#line 1 "NONE"
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{te = p+1;}
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#line 82 "hb-ot-shape-complex-khmer-machine.rl"
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{act = 3;}
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break;
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#line 366 "hb-ot-shape-complex-khmer-machine.hh"
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}
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_again:
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switch ( _khmer_syllable_machine_to_state_actions[cs] ) {
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case 6:
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#line 1 "NONE"
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{ts = 0;}
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break;
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#line 375 "hb-ot-shape-complex-khmer-machine.hh"
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}
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if ( ++p != pe )
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goto _resume;
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_test_eof: {}
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if ( p == eof )
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{
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if ( _khmer_syllable_machine_eof_trans[cs] > 0 ) {
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_trans = _khmer_syllable_machine_eof_trans[cs] - 1;
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goto _eof_trans;
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}
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}
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}
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#line 114 "hb-ot-shape-complex-khmer-machine.rl"
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}
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#undef found_syllable
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#endif /* HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH */
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