This seems to be the best way to do this, but I kepts a few other experiments in scratchpad.
This commit is contained in:
Zed A. Shaw
parent
058ab23fa2
commit
2d550978b8
5 changed files with 299 additions and 165 deletions
215
ansi_parser.cpp
215
ansi_parser.cpp
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@ -4,125 +4,106 @@
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#include <string_view>
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#include <charconv>
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#include "dbc.hpp"
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#include <SFML/Graphics.hpp>
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using namespace fmt;
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#line 74 ".\\ansi_parser.rl"
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#line 62 ".\\ansi_parser.rl"
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#line 11 ".\\ansi_parser.cpp"
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#line 12 ".\\ansi_parser.cpp"
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static const char _foo_actions[] = {
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0, 1, 0, 1, 1, 1, 2, 1,
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3, 1, 4, 1, 5, 1, 6, 1,
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7, 1, 8, 1, 9, 2, 1, 10,
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2, 1, 11
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0, 1, 0, 1, 3, 1, 4, 1,
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5, 1, 9, 1, 10, 2, 1, 6,
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2, 1, 7, 2, 10, 5, 3, 1,
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8, 2
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};
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static const char _foo_key_offsets[] = {
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0, 0, 1, 2, 3, 4, 6, 7,
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9, 12, 14, 17, 19, 20, 22, 25,
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27, 28, 29, 31, 31, 35, 37
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0, 0, 1, 2, 4, 6, 7, 8,
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9, 11, 14, 16, 19, 21, 24, 25,
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27, 28, 29, 30
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};
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static const char _foo_trans_keys[] = {
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27, 91, 56, 59, 50, 53, 59, 48,
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57, 59, 48, 57, 48, 57, 59, 48,
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57, 48, 57, 59, 48, 57, 59, 48,
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57, 48, 57, 56, 59, 50, 53, 27,
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51, 52, 109, 48, 57, 48, 57, 0
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27, 91, 51, 52, 56, 57, 59, 50,
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59, 48, 57, 59, 48, 57, 48, 57,
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59, 48, 57, 48, 57, 109, 48, 57,
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109, 56, 57, 59, 50, 27, 27, 0
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};
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static const char _foo_single_lengths[] = {
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0, 1, 1, 1, 1, 2, 1, 0,
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1, 0, 1, 0, 1, 0, 1, 0,
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1, 1, 2, 0, 4, 0, 0
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0, 1, 1, 2, 2, 1, 1, 1,
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0, 1, 0, 1, 0, 1, 1, 2,
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1, 1, 1, 1
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};
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static const char _foo_range_lengths[] = {
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0, 0, 0, 0, 0, 0, 0, 1,
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1, 1, 1, 1, 0, 1, 1, 1,
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0, 0, 0, 0, 0, 1, 1
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0, 0, 0, 0, 0, 0, 0, 0,
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1, 1, 1, 1, 1, 1, 0, 0,
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0, 0, 0, 0
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};
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static const char _foo_index_offsets[] = {
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0, 0, 2, 4, 6, 8, 11, 13,
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15, 18, 20, 23, 25, 27, 29, 32,
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34, 36, 38, 41, 42, 47, 49
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0, 0, 2, 4, 7, 10, 12, 14,
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16, 18, 21, 23, 26, 28, 31, 33,
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36, 38, 40, 42
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};
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static const char _foo_trans_targs[] = {
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19, 1, 20, 0, 4, 0, 5, 0,
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6, 12, 0, 7, 0, 8, 0, 9,
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8, 0, 10, 0, 11, 10, 0, 21,
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0, 13, 0, 14, 0, 15, 14, 0,
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22, 0, 17, 0, 18, 0, 6, 12,
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0, 0, 2, 3, 16, 20, 0, 21,
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20, 22, 20, 20, 20, 0
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2, 1, 3, 0, 4, 15, 0, 5,
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14, 0, 6, 0, 7, 0, 8, 0,
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9, 0, 10, 9, 0, 11, 0, 12,
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11, 0, 13, 0, 19, 13, 0, 19,
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0, 16, 14, 0, 17, 0, 7, 0,
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2, 1, 2, 1, 0
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};
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static const char _foo_trans_actions[] = {
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11, 9, 17, 0, 0, 0, 0, 0,
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7, 7, 0, 0, 0, 1, 0, 3,
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0, 0, 1, 0, 3, 0, 0, 1,
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0, 0, 0, 1, 0, 3, 0, 0,
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1, 0, 0, 0, 0, 0, 5, 5,
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0, 0, 0, 0, 0, 19, 0, 0,
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24, 0, 21, 24, 21, 0
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0, 7, 0, 0, 9, 9, 0, 0,
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0, 0, 0, 0, 5, 0, 0, 0,
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1, 0, 13, 0, 0, 1, 0, 16,
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0, 0, 1, 0, 22, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 3, 0,
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0, 7, 11, 19, 0
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};
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static const char _foo_to_state_actions[] = {
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0, 13, 0, 0, 0, 0, 0, 0,
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static const char _foo_eof_actions[] = {
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 13, 0, 0
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 11
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};
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static const char _foo_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, 15, 0, 0
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};
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static const char _foo_eof_trans[] = {
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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, 0, 52, 53
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};
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static const int foo_start = 1;
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static const int foo_first_final = 19;
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static const int foo_start = 18;
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static const int foo_first_final = 18;
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static const int foo_error = 0;
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static const int foo_en_ansi = 20;
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static const int foo_en_main = 1;
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static const int foo_en_main = 18;
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#line 77 ".\\ansi_parser.rl"
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#line 65 ".\\ansi_parser.rl"
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bool parse_ansi(std::string_view codes) {
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const char *start = NULL;
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int cs = 0;
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size_t value = 0;
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uint8_t value = 0;
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const char *p = codes.data();
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const char *pe = p + codes.size();
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const char *eof = pe;
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const char *ts = p;
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const char *te = p;
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int act = 0;
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bool fgcolor = false;
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sf::Color color;
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#line 107 ".\\ansi_parser.cpp"
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#line 91 ".\\ansi_parser.cpp"
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{
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cs = foo_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 90 ".\\ansi_parser.rl"
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#line 77 ".\\ansi_parser.rl"
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#line 113 ".\\ansi_parser.cpp"
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#line 94 ".\\ansi_parser.cpp"
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{
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int _klen;
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unsigned int _trans;
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@ -135,18 +116,6 @@ bool parse_ansi(std::string_view codes) {
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if ( cs == 0 )
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goto _out;
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_resume:
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_acts = _foo_actions + _foo_from_state_actions[cs];
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_nacts = (unsigned int) *_acts++;
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while ( _nacts-- > 0 ) {
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switch ( *_acts++ ) {
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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 132 ".\\ansi_parser.cpp"
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}
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}
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_keys = _foo_trans_keys + _foo_key_offsets[cs];
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_trans = _foo_index_offsets[cs];
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@ -196,7 +165,6 @@ _resume:
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}
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_match:
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_eof_trans:
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cs = _foo_trans_targs[_trans];
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if ( _foo_trans_actions[_trans] == 0 )
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@ -209,13 +177,13 @@ _eof_trans:
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switch ( *_acts++ )
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{
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case 0:
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#line 11 ".\\ansi_parser.rl"
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#line 12 ".\\ansi_parser.rl"
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{
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start = p;
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}
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break;
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case 1:
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#line 15 ".\\ansi_parser.rl"
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#line 16 ".\\ansi_parser.rl"
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{
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auto [ptr, ec] = std::from_chars(start, p, value);
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dbc::check(ec == std::errc(), "error in number parsing");
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@ -223,66 +191,52 @@ _eof_trans:
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}
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break;
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case 2:
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#line 37 ".\\ansi_parser.rl"
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#line 22 ".\\ansi_parser.rl"
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{
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println("BG");
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println("color24b");
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}
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break;
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case 3:
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#line 41 ".\\ansi_parser.rl"
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{
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println("FG");
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}
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#line 26 ".\\ansi_parser.rl"
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{ fgcolor = false; }
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break;
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case 4:
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#line 45 ".\\ansi_parser.rl"
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#line 27 ".\\ansi_parser.rl"
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{ fgcolor = true; }
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break;
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case 5:
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#line 29 ".\\ansi_parser.rl"
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{
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println("ANY: {}:{}", int((*p)), (*p));
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}
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break;
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case 5:
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#line 72 ".\\ansi_parser.rl"
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{ p--; {cs = 20;goto _again;} }
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case 6:
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#line 33 ".\\ansi_parser.rl"
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{ color.r = value; }
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break;
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case 7:
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#line 34 ".\\ansi_parser.rl"
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{ color.g = value; }
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break;
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case 8:
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#line 49 ".\\ansi_parser.rl"
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{te = p+1;{
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println("START");
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}}
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#line 35 ".\\ansi_parser.rl"
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{ color.b = value; }
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break;
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case 9:
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#line 69 ".\\ansi_parser.rl"
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{te = p+1;{ {cs = 1;goto _again;} }}
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#line 37 ".\\ansi_parser.rl"
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{ value = 0; }
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break;
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case 10:
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#line 21 ".\\ansi_parser.rl"
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{te = p;p--;{
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println("COLOR256");
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}}
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#line 39 ".\\ansi_parser.rl"
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{
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println("fg? {}, sf:Color: {},{},{},{}", fgcolor, color.r, color.g, color.b, color.a);
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}
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break;
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case 11:
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#line 25 ".\\ansi_parser.rl"
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{te = p;p--;{
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println("COLOR24B");
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}}
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break;
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#line 244 ".\\ansi_parser.cpp"
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#line 211 ".\\ansi_parser.cpp"
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}
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}
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_again:
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_acts = _foo_actions + _foo_to_state_actions[cs];
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_nacts = (unsigned int) *_acts++;
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while ( _nacts-- > 0 ) {
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switch ( *_acts++ ) {
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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 255 ".\\ansi_parser.cpp"
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}
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}
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if ( cs == 0 )
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goto _out;
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if ( ++p != pe )
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@ -290,18 +244,27 @@ _again:
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_test_eof: {}
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if ( p == eof )
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{
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if ( _foo_eof_trans[cs] > 0 ) {
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_trans = _foo_eof_trans[cs] - 1;
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goto _eof_trans;
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const char *__acts = _foo_actions + _foo_eof_actions[cs];
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unsigned int __nacts = (unsigned int) *__acts++;
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while ( __nacts-- > 0 ) {
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switch ( *__acts++ ) {
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case 10:
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#line 39 ".\\ansi_parser.rl"
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{
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println("fg? {}, sf:Color: {},{},{},{}", fgcolor, color.r, color.g, color.b, color.a);
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}
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break;
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#line 231 ".\\ansi_parser.cpp"
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}
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}
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}
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_out: {}
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}
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#line 91 ".\\ansi_parser.rl"
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#line 78 ".\\ansi_parser.rl"
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print("PROCESSED {} CHARS of {}", p - codes.data(), codes.size());
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print("PROCESSED {} CHARS of {}: {}", p - codes.data(), codes.size(), p);
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return true;
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}
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