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

379 lines
10 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"
#line 36 "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, 1u, 16u, 5u, 21u, 5u, 26u, 5u, 21u, 1u, 16u, 5u, 21u,
5u, 26u, 5u, 21u, 5u, 26u, 5u, 21u, 5u, 26u, 1u, 16u, 1u, 29u, 5u, 29u,
5u, 29u, 5u, 29u, 22u, 22u, 5u, 22u, 5u, 29u, 5u, 29u, 5u, 29u, 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, 16, 17, 22, 17, 16, 17,
22, 17, 22, 17, 22, 16, 29, 25,
25, 25, 1, 18, 25, 25, 25, 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, 216, 234, 257, 275, 292,
310, 333, 351, 374, 392, 415, 432, 462,
488, 514, 540, 542, 561, 587, 613, 639,
662, 688, 714, 716, 735, 761, 787, 804,
830
};
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, 13,
13, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 13, 0,
15, 15, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14,
16, 14, 15, 15, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 16, 17, 17, 17, 17, 18,
17, 19, 19, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17,
17, 18, 17, 20, 20, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 20, 17, 21, 21, 17, 17,
17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 22, 17, 23, 23,
17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 24, 17,
17, 17, 17, 18, 17, 23, 23, 17,
17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 24, 17, 25,
25, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 26,
17, 17, 17, 17, 18, 17, 25, 25,
17, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 26, 17,
15, 15, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 17, 27,
16, 17, 17, 17, 17, 18, 17, 28,
28, 17, 17, 17, 17, 17, 17, 17,
17, 17, 17, 17, 17, 17, 28, 17,
13, 13, 29, 29, 30, 30, 29, 29,
29, 29, 2, 2, 29, 31, 29, 13,
29, 29, 29, 29, 16, 20, 29, 29,
29, 18, 24, 26, 22, 29, 33, 33,
32, 32, 32, 32, 32, 32, 32, 34,
32, 32, 32, 32, 32, 2, 3, 6,
32, 32, 32, 4, 10, 12, 8, 32,
35, 35, 32, 32, 32, 32, 32, 32,
32, 36, 32, 32, 32, 32, 32, 32,
3, 6, 32, 32, 32, 4, 10, 12,
8, 32, 5, 5, 32, 32, 32, 32,
32, 32, 32, 36, 32, 32, 32, 32,
32, 32, 4, 6, 32, 32, 32, 32,
32, 32, 8, 32, 6, 32, 7, 7,
32, 32, 32, 32, 32, 32, 32, 36,
32, 32, 32, 32, 32, 32, 8, 6,
32, 37, 37, 32, 32, 32, 32, 32,
32, 32, 36, 32, 32, 32, 32, 32,
32, 10, 6, 32, 32, 32, 4, 32,
32, 8, 32, 38, 38, 32, 32, 32,
32, 32, 32, 32, 36, 32, 32, 32,
32, 32, 32, 12, 6, 32, 32, 32,
4, 10, 32, 8, 32, 35, 35, 32,
32, 32, 32, 32, 32, 32, 34, 32,
32, 32, 32, 32, 32, 3, 6, 32,
32, 32, 4, 10, 12, 8, 32, 15,
15, 39, 39, 39, 39, 39, 39, 39,
39, 39, 39, 39, 39, 39, 39, 16,
39, 39, 39, 39, 18, 39, 41, 41,
40, 40, 40, 40, 40, 40, 40, 42,
40, 40, 40, 40, 40, 40, 16, 20,
40, 40, 40, 18, 24, 26, 22, 40,
19, 19, 40, 40, 40, 40, 40, 40,
40, 42, 40, 40, 40, 40, 40, 40,
18, 20, 40, 40, 40, 40, 40, 40,
22, 40, 20, 40, 21, 21, 40, 40,
40, 40, 40, 40, 40, 42, 40, 40,
40, 40, 40, 40, 22, 20, 40, 43,
43, 40, 40, 40, 40, 40, 40, 40,
42, 40, 40, 40, 40, 40, 40, 24,
20, 40, 40, 40, 18, 40, 40, 22,
40, 44, 44, 40, 40, 40, 40, 40,
40, 40, 42, 40, 40, 40, 40, 40,
40, 26, 20, 40, 40, 40, 18, 24,
40, 22, 40, 28, 28, 39, 39, 39,
39, 39, 39, 39, 39, 39, 39, 39,
39, 39, 28, 39, 45, 45, 40, 40,
40, 40, 40, 40, 40, 46, 40, 40,
40, 40, 40, 27, 16, 20, 40, 40,
40, 18, 24, 26, 22, 40, 41, 41,
40, 40, 40, 40, 40, 40, 40, 46,
40, 40, 40, 40, 40, 40, 16, 20,
40, 40, 40, 18, 24, 26, 22, 40,
0
};
static const char _khmer_syllable_machine_trans_targs[] = {
22, 1, 30, 24, 25, 3, 26, 5,
27, 7, 28, 9, 29, 23, 22, 11,
32, 22, 33, 13, 34, 15, 35, 17,
36, 19, 37, 40, 39, 22, 31, 38,
22, 0, 10, 2, 4, 6, 8, 22,
22, 12, 14, 16, 18, 20, 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,
4, 5, 2, 0, 0, 0, 2, 0,
2, 0, 2, 4, 4, 8, 9, 0,
10, 0, 0, 0, 0, 0, 0, 11,
12, 0, 0, 0, 0, 0, 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, 0, 0, 6, 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, 0, 7, 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, 1, 15, 18, 18, 18, 18,
18, 18, 18, 18, 18, 18, 0, 33,
33, 33, 33, 33, 33, 33, 33, 40,
41, 41, 41, 41, 41, 41, 40, 41,
41
};
static const int khmer_syllable_machine_start = 22;
static const int khmer_syllable_machine_first_final = 22;
static const int khmer_syllable_machine_error = -1;
static const int khmer_syllable_machine_en_main = 22;
#line 36 "hb-ot-shape-complex-khmer-machine.rl"
#line 80 "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 (hb_buffer_t *buffer)
{
unsigned int p, pe, eof, ts, te, act HB_UNUSED;
int cs;
hb_glyph_info_t *info = buffer->info;
#line 250 "hb-ot-shape-complex-khmer-machine.hh"
{
cs = khmer_syllable_machine_start;
ts = 0;
te = 0;
act = 0;
}
#line 100 "hb-ot-shape-complex-khmer-machine.rl"
p = 0;
pe = eof = buffer->len;
unsigned int syllable_serial = 1;
#line 266 "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 280 "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 76 "hb-ot-shape-complex-khmer-machine.rl"
{te = p+1;{ found_syllable (non_khmer_cluster); }}
break;
case 10:
#line 74 "hb-ot-shape-complex-khmer-machine.rl"
{te = p;p--;{ found_syllable (consonant_syllable); }}
break;
case 12:
#line 75 "hb-ot-shape-complex-khmer-machine.rl"
{te = p;p--;{ found_syllable (broken_cluster); }}
break;
case 11:
#line 76 "hb-ot-shape-complex-khmer-machine.rl"
{te = p;p--;{ found_syllable (non_khmer_cluster); }}
break;
case 1:
#line 74 "hb-ot-shape-complex-khmer-machine.rl"
{{p = ((te))-1;}{ found_syllable (consonant_syllable); }}
break;
case 5:
#line 75 "hb-ot-shape-complex-khmer-machine.rl"
{{p = ((te))-1;}{ found_syllable (broken_cluster); }}
break;
case 3:
#line 1 "NONE"
{ switch( act ) {
case 2:
{{p = ((te))-1;} found_syllable (broken_cluster); }
break;
case 3:
{{p = ((te))-1;} found_syllable (non_khmer_cluster); }
break;
}
}
break;
case 4:
#line 1 "NONE"
{te = p+1;}
#line 75 "hb-ot-shape-complex-khmer-machine.rl"
{act = 2;}
break;
case 9:
#line 1 "NONE"
{te = p+1;}
#line 76 "hb-ot-shape-complex-khmer-machine.rl"
{act = 3;}
break;
#line 350 "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 359 "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 108 "hb-ot-shape-complex-khmer-machine.rl"
}
#endif /* HB_OT_SHAPE_COMPLEX_KHMER_MACHINE_HH */