harfbuzz/src/hb-ot-shape-complex-khmer-m...

397 lines
11 KiB
C++

#line 1 "hb-ot-shape-complex-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_SHAPE_COMPLEX_KHMER_MACHINE_HH
#define HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH
#include "hb.hh"
enum khmer_syllable_type_t {
khmer_consonant_syllable,
khmer_broken_cluster,
khmer_non_khmer_cluster,
};
#line 42 "hb-ot-shape-complex-khmer-machine.hh"
#define khmer_syllable_machine_ex_C 1u
#define khmer_syllable_machine_ex_Coeng 14u
#define khmer_syllable_machine_ex_DOTTEDCIRCLE 12u
#define khmer_syllable_machine_ex_PLACEHOLDER 11u
#define khmer_syllable_machine_ex_Ra 16u
#define khmer_syllable_machine_ex_Robatic 20u
#define khmer_syllable_machine_ex_V 2u
#define khmer_syllable_machine_ex_VAbv 26u
#define khmer_syllable_machine_ex_VBlw 27u
#define khmer_syllable_machine_ex_VPre 28u
#define khmer_syllable_machine_ex_VPst 29u
#define khmer_syllable_machine_ex_Xgroup 21u
#define khmer_syllable_machine_ex_Ygroup 22u
#define khmer_syllable_machine_ex_ZWJ 6u
#define khmer_syllable_machine_ex_ZWNJ 5u
#line 60 "hb-ot-shape-complex-khmer-machine.hh"
static const unsigned char _khmer_syllable_machine_trans_keys[] = {
5u, 26u, 5u, 21u, 5u, 26u, 5u, 21u, 1u, 16u, 5u, 21u, 5u, 26u, 5u, 21u,
5u, 26u, 5u, 21u, 5u, 21u, 5u, 26u, 5u, 21u, 1u, 16u, 5u, 21u, 5u, 26u,
5u, 21u, 5u, 26u, 5u, 21u, 5u, 26u, 1u, 29u, 5u, 29u, 5u, 29u, 5u, 29u,
22u, 22u, 5u, 22u, 5u, 29u, 5u, 29u, 5u, 29u, 1u, 16u, 5u, 26u, 5u, 29u,
5u, 29u, 22u, 22u, 5u, 22u, 5u, 29u, 5u, 29u, 1u, 16u, 5u, 29u, 5u, 29u,
0
};
static const char _khmer_syllable_machine_key_spans[] = {
22, 17, 22, 17, 16, 17, 22, 17,
22, 17, 17, 22, 17, 16, 17, 22,
17, 22, 17, 22, 29, 25, 25, 25,
1, 18, 25, 25, 25, 16, 22, 25,
25, 1, 18, 25, 25, 16, 25, 25
};
static const short _khmer_syllable_machine_index_offsets[] = {
0, 23, 41, 64, 82, 99, 117, 140,
158, 181, 199, 217, 240, 258, 275, 293,
316, 334, 357, 375, 398, 428, 454, 480,
506, 508, 527, 553, 579, 605, 622, 645,
671, 697, 699, 718, 744, 770, 787, 813
};
static const char _khmer_syllable_machine_indicies[] = {
1, 1, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 2,
3, 0, 0, 0, 0, 4, 0, 1,
1, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 3,
0, 1, 1, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 3, 0, 0, 0, 0, 4, 0,
5, 5, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
4, 0, 6, 6, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 6, 0, 7, 7, 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, 0, 10, 0, 0,
0, 0, 4, 0, 9, 9, 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, 0, 12, 0,
0, 0, 0, 4, 0, 11, 11, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 12, 0, 14,
14, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 15,
13, 14, 14, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 15, 16, 16, 16, 16, 17, 16,
18, 18, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
17, 16, 19, 19, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 19, 16, 20, 20, 16, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 21, 16, 22, 22, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 23, 16, 16,
16, 16, 17, 16, 22, 22, 16, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 23, 16, 24, 24,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 25, 16,
16, 16, 16, 17, 16, 24, 24, 16,
16, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 25, 16, 14,
14, 16, 16, 16, 16, 16, 16, 16,
16, 16, 16, 16, 16, 16, 26, 15,
16, 16, 16, 16, 17, 16, 28, 28,
27, 27, 29, 29, 27, 27, 27, 27,
2, 2, 27, 30, 27, 28, 27, 27,
27, 27, 15, 19, 27, 27, 27, 17,
23, 25, 21, 27, 32, 32, 31, 31,
31, 31, 31, 31, 31, 33, 31, 31,
31, 31, 31, 2, 3, 6, 31, 31,
31, 4, 10, 12, 8, 31, 34, 34,
31, 31, 31, 31, 31, 31, 31, 35,
31, 31, 31, 31, 31, 31, 3, 6,
31, 31, 31, 4, 10, 12, 8, 31,
5, 5, 31, 31, 31, 31, 31, 31,
31, 35, 31, 31, 31, 31, 31, 31,
4, 6, 31, 31, 31, 31, 31, 31,
8, 31, 6, 31, 7, 7, 31, 31,
31, 31, 31, 31, 31, 35, 31, 31,
31, 31, 31, 31, 8, 6, 31, 36,
36, 31, 31, 31, 31, 31, 31, 31,
35, 31, 31, 31, 31, 31, 31, 10,
6, 31, 31, 31, 4, 31, 31, 8,
31, 37, 37, 31, 31, 31, 31, 31,
31, 31, 35, 31, 31, 31, 31, 31,
31, 12, 6, 31, 31, 31, 4, 10,
31, 8, 31, 34, 34, 31, 31, 31,
31, 31, 31, 31, 33, 31, 31, 31,
31, 31, 31, 3, 6, 31, 31, 31,
4, 10, 12, 8, 31, 28, 28, 31,
31, 31, 31, 31, 31, 31, 31, 31,
31, 31, 31, 31, 28, 31, 14, 14,
38, 38, 38, 38, 38, 38, 38, 38,
38, 38, 38, 38, 38, 38, 15, 38,
38, 38, 38, 17, 38, 40, 40, 39,
39, 39, 39, 39, 39, 39, 41, 39,
39, 39, 39, 39, 39, 15, 19, 39,
39, 39, 17, 23, 25, 21, 39, 18,
18, 39, 39, 39, 39, 39, 39, 39,
41, 39, 39, 39, 39, 39, 39, 17,
19, 39, 39, 39, 39, 39, 39, 21,
39, 19, 39, 20, 20, 39, 39, 39,
39, 39, 39, 39, 41, 39, 39, 39,
39, 39, 39, 21, 19, 39, 42, 42,
39, 39, 39, 39, 39, 39, 39, 41,
39, 39, 39, 39, 39, 39, 23, 19,
39, 39, 39, 17, 39, 39, 21, 39,
43, 43, 39, 39, 39, 39, 39, 39,
39, 41, 39, 39, 39, 39, 39, 39,
25, 19, 39, 39, 39, 17, 23, 39,
21, 39, 44, 44, 39, 39, 39, 39,
39, 39, 39, 39, 39, 39, 39, 39,
39, 44, 39, 45, 45, 39, 39, 39,
39, 39, 39, 39, 30, 39, 39, 39,
39, 39, 26, 15, 19, 39, 39, 39,
17, 23, 25, 21, 39, 40, 40, 39,
39, 39, 39, 39, 39, 39, 30, 39,
39, 39, 39, 39, 39, 15, 19, 39,
39, 39, 17, 23, 25, 21, 39, 0
};
static const char _khmer_syllable_machine_trans_targs[] = {
20, 1, 28, 22, 23, 3, 24, 5,
25, 7, 26, 9, 27, 20, 10, 31,
20, 32, 12, 33, 14, 34, 16, 35,
18, 36, 39, 20, 21, 30, 37, 20,
0, 29, 2, 4, 6, 8, 20, 20,
11, 13, 15, 17, 38, 19
};
static const char _khmer_syllable_machine_trans_actions[] = {
1, 0, 2, 2, 2, 0, 0, 0,
2, 0, 2, 0, 2, 3, 0, 4,
5, 2, 0, 0, 0, 2, 0, 2,
0, 2, 4, 8, 2, 9, 0, 10,
0, 0, 0, 0, 0, 0, 11, 12,
0, 0, 0, 0, 4, 0
};
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, 6, 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, 7, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0
};
static const unsigned char _khmer_syllable_machine_eof_trans[] = {
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 14, 17, 17, 17, 17, 17,
17, 17, 17, 17, 0, 32, 32, 32,
32, 32, 32, 32, 32, 32, 39, 40,
40, 40, 40, 40, 40, 40, 40, 40
};
static const int khmer_syllable_machine_start = 20;
static const int khmer_syllable_machine_first_final = 20;
static const int khmer_syllable_machine_error = -1;
static const int khmer_syllable_machine_en_main = 20;
#line 43 "hb-ot-shape-complex-khmer-machine.rl"
#line 86 "hb-ot-shape-complex-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
static 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 266 "hb-ot-shape-complex-khmer-machine.hh"
{
cs = khmer_syllable_machine_start;
ts = 0;
te = 0;
act = 0;
}
#line 106 "hb-ot-shape-complex-khmer-machine.rl"
p = 0;
pe = eof = buffer->len;
unsigned int syllable_serial = 1;
#line 282 "hb-ot-shape-complex-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 296 "hb-ot-shape-complex-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 82 "hb-ot-shape-complex-khmer-machine.rl"
{te = p+1;{ found_syllable (khmer_non_khmer_cluster); }}
break;
case 10:
#line 80 "hb-ot-shape-complex-khmer-machine.rl"
{te = p;p--;{ found_syllable (khmer_consonant_syllable); }}
break;
case 12:
#line 81 "hb-ot-shape-complex-khmer-machine.rl"
{te = p;p--;{ found_syllable (khmer_broken_cluster); }}
break;
case 11:
#line 82 "hb-ot-shape-complex-khmer-machine.rl"
{te = p;p--;{ found_syllable (khmer_non_khmer_cluster); }}
break;
case 1:
#line 80 "hb-ot-shape-complex-khmer-machine.rl"
{{p = ((te))-1;}{ found_syllable (khmer_consonant_syllable); }}
break;
case 5:
#line 81 "hb-ot-shape-complex-khmer-machine.rl"
{{p = ((te))-1;}{ found_syllable (khmer_broken_cluster); }}
break;
case 3:
#line 1 "NONE"
{ switch( act ) {
case 2:
{{p = ((te))-1;} found_syllable (khmer_broken_cluster); }
break;
case 3:
{{p = ((te))-1;} found_syllable (khmer_non_khmer_cluster); }
break;
}
}
break;
case 4:
#line 1 "NONE"
{te = p+1;}
#line 81 "hb-ot-shape-complex-khmer-machine.rl"
{act = 2;}
break;
case 9:
#line 1 "NONE"
{te = p+1;}
#line 82 "hb-ot-shape-complex-khmer-machine.rl"
{act = 3;}
break;
#line 366 "hb-ot-shape-complex-khmer-machine.hh"
}
_again:
switch ( _khmer_syllable_machine_to_state_actions[cs] ) {
case 6:
#line 1 "NONE"
{ts = 0;}
break;
#line 375 "hb-ot-shape-complex-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 114 "hb-ot-shape-complex-khmer-machine.rl"
}
#undef found_syllable
#endif /* HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH */