harfbuzz/src/hb-buffer-deserialize-text.hh

765 lines
17 KiB
C++

#line 1 "hb-buffer-deserialize-text.rl"
/*
* Copyright © 2013 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_BUFFER_DESERIALIZE_TEXT_HH
#define HB_BUFFER_DESERIALIZE_TEXT_HH
#include "hb.hh"
#line 35 "hb-buffer-deserialize-text.hh"
static const unsigned char _deserialize_text_trans_keys[] = {
1u, 0u, 0u, 13u, 12u, 12u, 2u, 2u,
5u, 11u, 0u, 12u, 5u, 6u, 4u, 6u,
5u, 6u, 5u, 6u, 4u, 6u, 5u, 6u,
3u, 3u, 4u, 6u, 5u, 6u, 3u, 6u,
2u, 16u, 4u, 6u, 5u, 6u, 0u, 16u,
0u, 16u, 1u, 0u, 0u, 12u, 0u, 16u,
0u, 16u, 0u, 16u, 0u, 16u, 0u, 16u,
0u, 16u, 0u, 16u, 0u, 16u, 0u, 16u,
0u, 16u, 0u, 16u, 0u, 16u, 0u, 16u,
0u, 16u, 0u
};
static const signed char _deserialize_text_char_class[] = {
0, 0, 0, 0, 0, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 0,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 2, 3, 4, 1, 1, 5,
6, 6, 6, 6, 6, 6, 6, 6,
6, 1, 1, 7, 8, 9, 1, 10,
11, 11, 11, 11, 11, 11, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 12, 1, 1, 1,
1, 1, 13, 14, 15, 1, 1, 1,
11, 11, 11, 11, 11, 11, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 16, 0
};
static const short _deserialize_text_index_offsets[] = {
0, 0, 14, 15, 16, 23, 36, 38,
41, 43, 45, 48, 50, 51, 54, 56,
60, 75, 78, 80, 97, 114, 114, 127,
144, 161, 178, 195, 212, 229, 246, 263,
280, 297, 314, 331, 348, 0
};
static const signed char _deserialize_text_indicies[] = {
1, 0, 0, 0, 0, 0, 0, 2,
0, 0, 0, 0, 0, 3, 4, 6,
7, 7, 0, 0, 0, 0, 7, 8,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 4, 10, 11, 13, 14,
15, 17, 18, 20, 21, 23, 24, 25,
27, 28, 29, 31, 32, 33, 35, 36,
29, 0, 28, 28, 38, 38, 0, 0,
0, 0, 38, 0, 38, 0, 0, 0,
38, 38, 38, 40, 41, 42, 44, 45,
47, 0, 0, 0, 0, 48, 48, 0,
49, 50, 0, 48, 0, 0, 0, 0,
51, 52, 0, 0, 0, 0, 0, 0,
0, 0, 53, 0, 0, 0, 0, 0,
0, 54, 8, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 4, 56,
0, 0, 0, 0, 0, 0, 0, 0,
57, 0, 0, 0, 0, 0, 0, 58,
56, 0, 0, 0, 0, 60, 60, 0,
0, 57, 0, 0, 0, 0, 0, 0,
58, 63, 62, 64, 0, 62, 62, 62,
62, 65, 62, 66, 62, 62, 62, 67,
68, 69, 71, 38, 72, 0, 38, 38,
38, 38, 73, 38, 74, 38, 38, 38,
37, 75, 76, 78, 0, 0, 79, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 80, 81, 82, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 53, 83, 84, 62, 64,
0, 62, 62, 62, 62, 65, 62, 66,
62, 62, 62, 67, 68, 69, 86, 0,
87, 0, 0, 0, 0, 0, 0, 0,
88, 0, 0, 0, 0, 57, 89, 91,
0, 92, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 93, 94,
91, 0, 92, 0, 0, 36, 36, 0,
0, 0, 0, 0, 0, 0, 0, 93,
94, 86, 0, 87, 0, 0, 97, 97,
0, 0, 0, 88, 0, 0, 0, 0,
57, 89, 99, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 100, 101, 99, 0, 0, 0, 0,
45, 45, 0, 0, 0, 0, 0, 0,
0, 0, 100, 101, 78, 0, 0, 79,
0, 18, 18, 0, 0, 0, 0, 0,
0, 0, 0, 80, 81, 0
};
static const signed char _deserialize_text_index_defaults[] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 62, 38, 0, 0, 62, 0, 0,
0, 0, 0, 0, 0, 0
};
static const signed char _deserialize_text_cond_targs[] = {
0, 1, 2, 25, 3, 3, 4, 19,
5, 6, 23, 24, 7, 8, 27, 36,
8, 27, 36, 9, 30, 33, 10, 11,
12, 15, 11, 12, 15, 13, 13, 14,
31, 32, 14, 31, 32, 16, 26, 17,
18, 34, 35, 18, 34, 35, 19, 20,
19, 6, 21, 22, 20, 21, 22, 23,
20, 21, 22, 24, 24, 25, 26, 26,
7, 9, 10, 16, 21, 29, 26, 26,
7, 9, 10, 21, 29, 27, 28, 17,
21, 29, 28, 29, 29, 30, 28, 7,
10, 29, 31, 28, 7, 21, 29, 32,
33, 33, 34, 28, 21, 29, 35, 36,
0
};
static const signed char _deserialize_text_cond_actions[] = {
0, 0, 0, 0, 1, 0, 0, 2,
0, 0, 2, 2, 0, 3, 4, 4,
0, 5, 5, 0, 4, 4, 0, 3,
3, 3, 0, 0, 0, 6, 0, 3,
4, 4, 0, 5, 5, 0, 5, 0,
3, 4, 4, 0, 5, 5, 7, 7,
8, 9, 7, 7, 0, 0, 0, 10,
10, 10, 10, 10, 8, 11, 12, 13,
14, 14, 14, 15, 11, 11, 16, 17,
18, 18, 18, 16, 16, 19, 19, 20,
19, 19, 0, 0, 13, 10, 10, 21,
21, 10, 22, 22, 23, 22, 22, 22,
10, 5, 24, 24, 24, 24, 24, 19,
0
};
static const signed char _deserialize_text_eof_trans[] = {
1, 2, 3, 6, 7, 9, 10, 13,
17, 20, 23, 27, 28, 31, 35, 29,
38, 40, 44, 47, 53, 54, 55, 56,
60, 62, 71, 78, 83, 70, 86, 91,
96, 97, 99, 103, 104, 0
};
static const int deserialize_text_start = 1;
static const int deserialize_text_first_final = 19;
static const int deserialize_text_error = 0;
static const int deserialize_text_en_main = 1;
#line 114 "hb-buffer-deserialize-text.rl"
static hb_bool_t
_hb_buffer_deserialize_text (hb_buffer_t *buffer,
const char *buf,
unsigned int buf_len,
const char **end_ptr,
hb_font_t *font)
{
const char *p = buf, *pe = buf + buf_len;
/* Ensure we have positions. */
(void) hb_buffer_get_glyph_positions (buffer, nullptr);
while (p < pe && ISSPACE (*p))
p++;
const char *eof = pe, *tok = nullptr;
int cs;
hb_glyph_info_t info = {0};
hb_glyph_position_t pos = {0};
#line 204 "hb-buffer-deserialize-text.hh"
{
cs = (int)deserialize_text_start;
}
#line 209 "hb-buffer-deserialize-text.hh"
{
unsigned int _trans = 0;
const unsigned char * _keys;
const signed char * _inds;
int _ic;
_resume: {}
if ( p == pe && p != eof )
goto _out;
if ( p == eof ) {
if ( _deserialize_text_eof_trans[cs] > 0 ) {
_trans = (unsigned int)_deserialize_text_eof_trans[cs] - 1;
}
}
else {
_keys = ( _deserialize_text_trans_keys + ((cs<<1)));
_inds = ( _deserialize_text_indicies + (_deserialize_text_index_offsets[cs]));
if ( ( (*( p))) <= 124 && ( (*( p))) >= 9 ) {
_ic = (int)_deserialize_text_char_class[(int)( (*( p))) - 9];
if ( _ic <= (int)(*( _keys+1)) && _ic >= (int)(*( _keys)) )
_trans = (unsigned int)(*( _inds + (int)( _ic - (int)(*( _keys)) ) ));
else
_trans = (unsigned int)_deserialize_text_index_defaults[cs];
}
else {
_trans = (unsigned int)_deserialize_text_index_defaults[cs];
}
}
cs = (int)_deserialize_text_cond_targs[_trans];
if ( _deserialize_text_cond_actions[_trans] != 0 ) {
switch ( _deserialize_text_cond_actions[_trans] ) {
case 1: {
{
#line 38 "hb-buffer-deserialize-text.rl"
memset (&info, 0, sizeof (info));
memset (&pos , 0, sizeof (pos ));
}
#line 252 "hb-buffer-deserialize-text.hh"
break;
}
case 3: {
{
#line 51 "hb-buffer-deserialize-text.rl"
tok = p;
}
#line 264 "hb-buffer-deserialize-text.hh"
break;
}
case 5: {
{
#line 55 "hb-buffer-deserialize-text.rl"
if (unlikely (!buffer->ensure_glyphs ())) return false; }
#line 274 "hb-buffer-deserialize-text.hh"
break;
}
case 8: {
{
#line 56 "hb-buffer-deserialize-text.rl"
if (unlikely (!buffer->ensure_unicode ())) return false; }
#line 284 "hb-buffer-deserialize-text.hh"
break;
}
case 18: {
{
#line 58 "hb-buffer-deserialize-text.rl"
/* TODO Unescape delimeters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 300 "hb-buffer-deserialize-text.hh"
break;
}
case 9: {
{
#line 66 "hb-buffer-deserialize-text.rl"
if (!parse_hex (tok, p, &info.codepoint )) return false; }
#line 310 "hb-buffer-deserialize-text.hh"
break;
}
case 21: {
{
#line 68 "hb-buffer-deserialize-text.rl"
if (!parse_uint (tok, p, &info.cluster )) return false; }
#line 320 "hb-buffer-deserialize-text.hh"
break;
}
case 6: {
{
#line 69 "hb-buffer-deserialize-text.rl"
if (!parse_int (tok, p, &pos.x_offset )) return false; }
#line 330 "hb-buffer-deserialize-text.hh"
break;
}
case 23: {
{
#line 70 "hb-buffer-deserialize-text.rl"
if (!parse_int (tok, p, &pos.y_offset )) return false; }
#line 340 "hb-buffer-deserialize-text.hh"
break;
}
case 20: {
{
#line 71 "hb-buffer-deserialize-text.rl"
if (!parse_int (tok, p, &pos.x_advance)) return false; }
#line 350 "hb-buffer-deserialize-text.hh"
break;
}
case 15: {
{
#line 38 "hb-buffer-deserialize-text.rl"
memset (&info, 0, sizeof (info));
memset (&pos , 0, sizeof (pos ));
}
#line 363 "hb-buffer-deserialize-text.hh"
{
#line 51 "hb-buffer-deserialize-text.rl"
tok = p;
}
#line 371 "hb-buffer-deserialize-text.hh"
break;
}
case 4: {
{
#line 51 "hb-buffer-deserialize-text.rl"
tok = p;
}
#line 383 "hb-buffer-deserialize-text.hh"
{
#line 55 "hb-buffer-deserialize-text.rl"
if (unlikely (!buffer->ensure_glyphs ())) return false; }
#line 389 "hb-buffer-deserialize-text.hh"
break;
}
case 2: {
{
#line 51 "hb-buffer-deserialize-text.rl"
tok = p;
}
#line 401 "hb-buffer-deserialize-text.hh"
{
#line 56 "hb-buffer-deserialize-text.rl"
if (unlikely (!buffer->ensure_unicode ())) return false; }
#line 407 "hb-buffer-deserialize-text.hh"
break;
}
case 16: {
{
#line 58 "hb-buffer-deserialize-text.rl"
/* TODO Unescape delimeters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 423 "hb-buffer-deserialize-text.hh"
{
#line 43 "hb-buffer-deserialize-text.rl"
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 435 "hb-buffer-deserialize-text.hh"
break;
}
case 7: {
{
#line 66 "hb-buffer-deserialize-text.rl"
if (!parse_hex (tok, p, &info.codepoint )) return false; }
#line 445 "hb-buffer-deserialize-text.hh"
{
#line 43 "hb-buffer-deserialize-text.rl"
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 457 "hb-buffer-deserialize-text.hh"
break;
}
case 10: {
{
#line 68 "hb-buffer-deserialize-text.rl"
if (!parse_uint (tok, p, &info.cluster )) return false; }
#line 467 "hb-buffer-deserialize-text.hh"
{
#line 43 "hb-buffer-deserialize-text.rl"
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 479 "hb-buffer-deserialize-text.hh"
break;
}
case 22: {
{
#line 70 "hb-buffer-deserialize-text.rl"
if (!parse_int (tok, p, &pos.y_offset )) return false; }
#line 489 "hb-buffer-deserialize-text.hh"
{
#line 43 "hb-buffer-deserialize-text.rl"
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 501 "hb-buffer-deserialize-text.hh"
break;
}
case 19: {
{
#line 71 "hb-buffer-deserialize-text.rl"
if (!parse_int (tok, p, &pos.x_advance)) return false; }
#line 511 "hb-buffer-deserialize-text.hh"
{
#line 43 "hb-buffer-deserialize-text.rl"
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 523 "hb-buffer-deserialize-text.hh"
break;
}
case 24: {
{
#line 72 "hb-buffer-deserialize-text.rl"
if (!parse_int (tok, p, &pos.y_advance)) return false; }
#line 533 "hb-buffer-deserialize-text.hh"
{
#line 43 "hb-buffer-deserialize-text.rl"
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 545 "hb-buffer-deserialize-text.hh"
break;
}
case 12: {
{
#line 38 "hb-buffer-deserialize-text.rl"
memset (&info, 0, sizeof (info));
memset (&pos , 0, sizeof (pos ));
}
#line 558 "hb-buffer-deserialize-text.hh"
{
#line 51 "hb-buffer-deserialize-text.rl"
tok = p;
}
#line 566 "hb-buffer-deserialize-text.hh"
{
#line 55 "hb-buffer-deserialize-text.rl"
if (unlikely (!buffer->ensure_glyphs ())) return false; }
#line 572 "hb-buffer-deserialize-text.hh"
break;
}
case 14: {
{
#line 38 "hb-buffer-deserialize-text.rl"
memset (&info, 0, sizeof (info));
memset (&pos , 0, sizeof (pos ));
}
#line 585 "hb-buffer-deserialize-text.hh"
{
#line 51 "hb-buffer-deserialize-text.rl"
tok = p;
}
#line 593 "hb-buffer-deserialize-text.hh"
{
#line 58 "hb-buffer-deserialize-text.rl"
/* TODO Unescape delimeters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 605 "hb-buffer-deserialize-text.hh"
break;
}
case 17: {
{
#line 58 "hb-buffer-deserialize-text.rl"
/* TODO Unescape delimeters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 621 "hb-buffer-deserialize-text.hh"
{
#line 55 "hb-buffer-deserialize-text.rl"
if (unlikely (!buffer->ensure_glyphs ())) return false; }
#line 627 "hb-buffer-deserialize-text.hh"
{
#line 43 "hb-buffer-deserialize-text.rl"
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 639 "hb-buffer-deserialize-text.hh"
break;
}
case 11: {
{
#line 38 "hb-buffer-deserialize-text.rl"
memset (&info, 0, sizeof (info));
memset (&pos , 0, sizeof (pos ));
}
#line 652 "hb-buffer-deserialize-text.hh"
{
#line 51 "hb-buffer-deserialize-text.rl"
tok = p;
}
#line 660 "hb-buffer-deserialize-text.hh"
{
#line 58 "hb-buffer-deserialize-text.rl"
/* TODO Unescape delimeters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 672 "hb-buffer-deserialize-text.hh"
{
#line 43 "hb-buffer-deserialize-text.rl"
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 684 "hb-buffer-deserialize-text.hh"
break;
}
case 13: {
{
#line 38 "hb-buffer-deserialize-text.rl"
memset (&info, 0, sizeof (info));
memset (&pos , 0, sizeof (pos ));
}
#line 697 "hb-buffer-deserialize-text.hh"
{
#line 51 "hb-buffer-deserialize-text.rl"
tok = p;
}
#line 705 "hb-buffer-deserialize-text.hh"
{
#line 58 "hb-buffer-deserialize-text.rl"
/* TODO Unescape delimeters. */
if (!hb_font_glyph_from_string (font,
tok, p - tok,
&info.codepoint))
return false;
}
#line 717 "hb-buffer-deserialize-text.hh"
{
#line 55 "hb-buffer-deserialize-text.rl"
if (unlikely (!buffer->ensure_glyphs ())) return false; }
#line 723 "hb-buffer-deserialize-text.hh"
{
#line 43 "hb-buffer-deserialize-text.rl"
buffer->add_info (info);
if (unlikely (!buffer->successful))
return false;
buffer->pos[buffer->len - 1] = pos;
*end_ptr = p;
}
#line 735 "hb-buffer-deserialize-text.hh"
break;
}
}
}
if ( p == eof ) {
if ( cs >= 19 )
goto _out;
}
else {
if ( cs != 0 ) {
p += 1;
goto _resume;
}
}
_out: {}
}
#line 138 "hb-buffer-deserialize-text.rl"
*end_ptr = p;
return p == pe && *(p-1) != ']';
}
#endif /* HB_BUFFER_DESERIALIZE_TEXT_HH */