third_party/harfbuzz-ng/src/hb-ot-shape-complex-sea-machine.hh

   1
   2 #line 1 "hb-ot-shape-complex-sea-machine.rl"
   3 /*
   4  * Copyright © 2011,2012,2013  Google, Inc.
   5  *
   6  *  This is part of HarfBuzz, a text shaping library.
   7  *
   8  * Permission is hereby granted, without written agreement and without
   9  * license or royalty fees, to use, copy, modify, and distribute this
  10  * software and its documentation for any purpose, provided that the
  11  * above copyright notice and the following two paragraphs appear in
  12  * all copies of this software.
  13  *
  14  * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
  15  * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
  16  * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
  17  * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
  18  * DAMAGE.
  19  *
  20  * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
  21  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
  22  * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
  23  * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
  24  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  25  *
  26  * Google Author(s): Behdad Esfahbod
  27  */
  28
  29 #ifndef HB_OT_SHAPE_COMPLEX_SEA_MACHINE_HH
  30 #define HB_OT_SHAPE_COMPLEX_SEA_MACHINE_HH
  31
  32 #include "hb-private.hh"
  33
  34
  35 #line 36 "hb-ot-shape-complex-sea-machine.hh"
  36 static const unsigned char _sea_syllable_machine_trans_keys[] = {
  37         1u, 1u, 1u, 1u, 1u, 29u, 3u, 29u, 3u, 29u, 1u, 1u, 0
  38 };
  39
  40 static const char _sea_syllable_machine_key_spans[] = {
  41         1, 1, 29, 27, 27, 1
  42 };
  43
  44 static const char _sea_syllable_machine_index_offsets[] = {
  45         0, 2, 4, 34, 62, 90
  46 };
  47
  48 static const char _sea_syllable_machine_indicies[] = {
  49         1, 0, 3, 2, 1, 1, 3, 5,
  50         4, 4, 4, 4, 4, 3, 4, 1,
  51         4, 4, 4, 4, 3, 4, 4, 4,
  52         4, 3, 4, 4, 4, 3, 3, 3,
  53         3, 4, 1, 7, 6, 6, 6, 6,
  54         6, 1, 6, 6, 6, 6, 6, 6,
  55         1, 6, 6, 6, 6, 1, 6, 6,
  56         6, 1, 1, 1, 1, 6, 3, 9,
  57         8, 8, 8, 8, 8, 3, 8, 8,
  58         8, 8, 8, 8, 3, 8, 8, 8,
  59         8, 3, 8, 8, 8, 3, 3, 3,
  60         3, 8, 3, 10, 0
  61 };
  62
  63 static const char _sea_syllable_machine_trans_targs[] = {
  64         2, 3, 2, 4, 2, 5, 2, 0,
  65         2, 1, 2
  66 };
  67
  68 static const char _sea_syllable_machine_trans_actions[] = {
  69         1, 2, 3, 2, 6, 0, 7, 0,
  70         8, 0, 9
  71 };
  72
  73 static const char _sea_syllable_machine_to_state_actions[] = {
  74         0, 0, 4, 0, 0, 0
  75 };
  76
  77 static const char _sea_syllable_machine_from_state_actions[] = {
  78         0, 0, 5, 0, 0, 0
  79 };
  80
  81 static const char _sea_syllable_machine_eof_trans[] = {
  82         1, 3, 0, 7, 9, 11
  83 };
  84
  85 static const int sea_syllable_machine_start = 2;
  86 static const int sea_syllable_machine_first_final = 2;
  87 static const int sea_syllable_machine_error = -1;
  88
  89 static const int sea_syllable_machine_en_main = 2;
  90
  91
  92 #line 36 "hb-ot-shape-complex-sea-machine.rl"
  93
  94
  95
  96 #line 67 "hb-ot-shape-complex-sea-machine.rl"
  97
  98
  99 #define found_syllable(syllable_type) \
 100   HB_STMT_START { \
 101     if (0) fprintf (stderr, "syllable %d..%d %s\n", last, p+1, #syllable_type); \
 102     for (unsigned int i = last; i < p+1; i++) \
 103       info[i].syllable() = (syllable_serial << 4) | syllable_type; \
 104     last = p+1; \
 105     syllable_serial++; \
 106     if (unlikely (syllable_serial == 16)) syllable_serial = 1; \
 107   } HB_STMT_END
 108
 109 static void
 110 find_syllables (hb_buffer_t *buffer)
 111 {
 112   unsigned int p, pe, eof, ts HB_UNUSED, te HB_UNUSED, act HB_UNUSED;
 113   int cs;
 114   hb_glyph_info_t *info = buffer->info;
 115
 116 #line 117 "hb-ot-shape-complex-sea-machine.hh"
 117         {
 118         cs = sea_syllable_machine_start;
 119         ts = 0;
 120         te = 0;
 121         act = 0;
 122         }
 123
 124 #line 88 "hb-ot-shape-complex-sea-machine.rl"
 125
 126
 127   p = 0;
 128   pe = eof = buffer->len;
 129
 130   unsigned int last = 0;
 131   unsigned int syllable_serial = 1;
 132
 133 #line 134 "hb-ot-shape-complex-sea-machine.hh"
 134         {
 135         int _slen;
 136         int _trans;
 137         const unsigned char *_keys;
 138         const char *_inds;
 139         if ( p == pe )
 140                 goto _test_eof;
 141 _resume:
 142         switch ( _sea_syllable_machine_from_state_actions[cs] ) {
 143         case 5:
 144 #line 1 "NONE"
 145         {ts = p;}
 146         break;
 147 #line 148 "hb-ot-shape-complex-sea-machine.hh"
 148         }
 149
 150         _keys = _sea_syllable_machine_trans_keys + (cs<<1);
 151         _inds = _sea_syllable_machine_indicies + _sea_syllable_machine_index_offsets[cs];
 152
 153         _slen = _sea_syllable_machine_key_spans[cs];
 154         _trans = _inds[ _slen > 0 && _keys[0] <=( info[p].sea_category()) &&
 155                 ( info[p].sea_category()) <= _keys[1] ?
 156                 ( info[p].sea_category()) - _keys[0] : _slen ];
 157
 158 _eof_trans:
 159         cs = _sea_syllable_machine_trans_targs[_trans];
 160
 161         if ( _sea_syllable_machine_trans_actions[_trans] == 0 )
 162                 goto _again;
 163
 164         switch ( _sea_syllable_machine_trans_actions[_trans] ) {
 165         case 2:
 166 #line 1 "NONE"
 167         {te = p+1;}
 168         break;
 169         case 6:
 170 #line 63 "hb-ot-shape-complex-sea-machine.rl"
 171         {te = p+1;{ found_syllable (non_sea_cluster); }}
 172         break;
 173         case 7:
 174 #line 61 "hb-ot-shape-complex-sea-machine.rl"
 175         {te = p;p--;{ found_syllable (consonant_syllable); }}
 176         break;
 177         case 8:
 178 #line 62 "hb-ot-shape-complex-sea-machine.rl"
 179         {te = p;p--;{ found_syllable (broken_cluster); }}
 180         break;
 181         case 9:
 182 #line 63 "hb-ot-shape-complex-sea-machine.rl"
 183         {te = p;p--;{ found_syllable (non_sea_cluster); }}
 184         break;
 185         case 1:
 186 #line 61 "hb-ot-shape-complex-sea-machine.rl"
 187         {{p = ((te))-1;}{ found_syllable (consonant_syllable); }}
 188         break;
 189         case 3:
 190 #line 62 "hb-ot-shape-complex-sea-machine.rl"
 191         {{p = ((te))-1;}{ found_syllable (broken_cluster); }}
 192         break;
 193 #line 194 "hb-ot-shape-complex-sea-machine.hh"
 194         }
 195
 196 _again:
 197         switch ( _sea_syllable_machine_to_state_actions[cs] ) {
 198         case 4:
 199 #line 1 "NONE"
 200         {ts = 0;}
 201         break;
 202 #line 203 "hb-ot-shape-complex-sea-machine.hh"
 203         }
 204
 205         if ( ++p != pe )
 206                 goto _resume;
 207         _test_eof: {}
 208         if ( p == eof )
 209         {
 210         if ( _sea_syllable_machine_eof_trans[cs] > 0 ) {
 211                 _trans = _sea_syllable_machine_eof_trans[cs] - 1;
 212                 goto _eof_trans;
 213         }
 214         }
 215
 216         }
 217
 218 #line 97 "hb-ot-shape-complex-sea-machine.rl"
 219
 220 }
 221
 222 #undef found_syllable
 223
 224 #endif /* HB_OT_SHAPE_COMPLEX_SEA_MACHINE_HH */