learn-code-the-hard-way
/
roguish
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

This also does almost the same thing but using fgoto to switch between ansi and not.

Browse Source
main
Zed A. Shaw 2 months ago
parent f32b39afe2
commit 058ab23fa2
2 changed files with 134 additions and 133 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Show Stats Download Patch File Download Diff File
  1. 227
      ansi_parser.cpp
  2. 40
      ansi_parser.rl

227
ansi_parser.cpp
Unescape View File

@ -8,103 +8,97 @@
using namespace fmt;
#line 80 ".\\ansi_parser.rl"
#line 74 ".\\ansi_parser.rl"
#line 11 ".\\ansi_parser.cpp"
static const char _foo_actions[] = {
0, 1, 0, 1, 1, 1, 8, 1,
9, 1, 10, 2, 1, 2, 2, 1,
3, 2, 1, 4, 2, 1, 5, 2,
6, 0, 2, 7, 0, 2, 9, 0,
2, 10, 8
0, 1, 0, 1, 1, 1, 2, 1,
3, 1, 4, 1, 5, 1, 6, 1,
7, 1, 8, 1, 9, 2, 1, 10,
2, 1, 11
};
static const char _foo_key_offsets[] = {
0, 0, 1, 2, 7, 11, 13, 16,
21, 25, 29, 33, 35, 38, 40, 43,
45, 48, 52, 54, 57, 59, 62, 67,
71, 75, 76
0, 0, 1, 2, 3, 4, 6, 7,
9, 12, 14, 17, 19, 20, 22, 25,
27, 28, 29, 31, 31, 35, 37
};
static const char _foo_trans_keys[] = {
27, 91, 51, 52, 109, 48, 57, 59,
109, 48, 57, 48, 57, 109, 48, 57,
56, 59, 109, 48, 57, 59, 109, 48,
57, 50, 53, 48, 57, 59, 109, 48,
57, 48, 57, 59, 48, 57, 48, 57,
59, 48, 57, 48, 57, 109, 48, 57,
59, 109, 48, 57, 48, 57, 59, 48,
57, 48, 57, 109, 48, 57, 56, 59,
109, 48, 57, 59, 109, 48, 57, 50,
53, 48, 57, 27, 27, 0
27, 91, 56, 59, 50, 53, 59, 48,
57, 59, 48, 57, 48, 57, 59, 48,
57, 48, 57, 59, 48, 57, 59, 48,
57, 48, 57, 56, 59, 50, 53, 27,
51, 52, 109, 48, 57, 48, 57, 0
};
static const char _foo_single_lengths[] = {
0, 1, 1, 3, 2, 0, 1, 3,
2, 2, 2, 0, 1, 0, 1, 0,
1, 2, 0, 1, 0, 1, 3, 2,
2, 1, 1
0, 1, 1, 1, 1, 2, 1, 0,
1, 0, 1, 0, 1, 0, 1, 0,
1, 1, 2, 0, 4, 0, 0
};
static const char _foo_range_lengths[] = {
0, 0, 0, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1,
1, 0, 0
0, 0, 0, 0, 0, 0, 0, 1,
1, 1, 1, 1, 0, 1, 1, 1,
0, 0, 0, 0, 0, 1, 1
};
static const char _foo_index_offsets[] = {
0, 0, 2, 4, 9, 13, 15, 18,
23, 27, 31, 35, 37, 40, 42, 45,
47, 50, 54, 56, 59, 61, 64, 69,
73, 77, 79
0, 0, 2, 4, 6, 8, 11, 13,
15, 18, 20, 23, 25, 27, 29, 32,
34, 36, 38, 41, 42, 47, 49
};
static const char _foo_trans_targs[] = {
2, 1, 3, 0, 7, 22, 26, 4,
0, 5, 26, 4, 0, 6, 0, 26,
6, 0, 8, 5, 26, 4, 0, 9,
26, 4, 0, 10, 17, 6, 0, 11,
26, 6, 0, 12, 0, 13, 12, 0,
14, 0, 15, 14, 0, 16, 0, 26,
16, 0, 18, 26, 6, 0, 19, 0,
20, 19, 0, 21, 0, 26, 21, 0,
23, 5, 26, 4, 0, 24, 26, 4,
0, 10, 17, 6, 0, 2, 1, 2,
1, 0
19, 1, 20, 0, 4, 0, 5, 0,
6, 12, 0, 7, 0, 8, 0, 9,
8, 0, 10, 0, 11, 10, 0, 21,
0, 13, 0, 14, 0, 15, 14, 0,
22, 0, 17, 0, 18, 0, 6, 12,
0, 0, 2, 3, 16, 20, 0, 21,
20, 22, 20, 20, 20, 0
};
static const char _foo_trans_actions[] = {
0, 5, 0, 0, 29, 29, 7, 29,
0, 3, 17, 0, 0, 1, 0, 20,
0, 0, 0, 3, 17, 0, 0, 3,
17, 0, 0, 26, 26, 1, 0, 0,
20, 0, 0, 1, 0, 3, 0, 0,
1, 0, 3, 0, 0, 1, 0, 14,
0, 0, 0, 20, 0, 0, 1, 0,
3, 0, 0, 1, 0, 11, 0, 0,
0, 3, 17, 0, 0, 3, 17, 0,
0, 23, 23, 1, 0, 0, 5, 9,
32, 0
11, 9, 17, 0, 0, 0, 0, 0,
7, 7, 0, 0, 0, 1, 0, 3,
0, 0, 1, 0, 3, 0, 0, 1,
0, 0, 0, 1, 0, 3, 0, 0,
1, 0, 0, 0, 0, 0, 5, 5,
0, 0, 0, 0, 0, 19, 0, 0,
24, 0, 21, 24, 21, 0
};
static const char _foo_eof_actions[] = {
static const char _foo_to_state_actions[] = {
0, 13, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 13, 0, 0
};
static const char _foo_from_state_actions[] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 15, 0, 0
};
static const char _foo_eof_trans[] = {
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 9
0, 0, 0, 0, 0, 52, 53
};
static const int foo_start = 25;
static const int foo_first_final = 25;
static const int foo_start = 1;
static const int foo_first_final = 19;
static const int foo_error = 0;
static const int foo_en_main = 25;
static const int foo_en_ansi = 20;
static const int foo_en_main = 1;
#line 83 ".\\ansi_parser.rl"
#line 77 ".\\ansi_parser.rl"
bool parse_ansi(std::string_view codes) {
const char *start = NULL;
@ -113,17 +107,22 @@ bool parse_ansi(std::string_view codes) {
const char *p = codes.data();
const char *pe = p + codes.size();
const char *eof = pe;
const char *ts = p;
const char *te = p;
int act = 0;
#line 111 ".\\ansi_parser.cpp"
#line 107 ".\\ansi_parser.cpp"
{
cs = foo_start;
ts = 0;
te = 0;
act = 0;
}
#line 94 ".\\ansi_parser.rl"
#line 90 ".\\ansi_parser.rl"
#line 114 ".\\ansi_parser.cpp"
#line 113 ".\\ansi_parser.cpp"
{
int _klen;
unsigned int _trans;
@ -136,6 +135,18 @@ bool parse_ansi(std::string_view codes) {
if ( cs == 0 )
goto _out;
_resume:
_acts = _foo_actions + _foo_from_state_actions[cs];
_nacts = (unsigned int) *_acts++;
while ( _nacts-- > 0 ) {
switch ( *_acts++ ) {
case 7:
#line 1 "NONE"
{ts = p;}
break;
#line 132 ".\\ansi_parser.cpp"
}
}
_keys = _foo_trans_keys + _foo_key_offsets[cs];
_trans = _foo_index_offsets[cs];
@ -185,6 +196,7 @@ _resume:
}
_match:
_eof_trans:
cs = _foo_trans_targs[_trans];
if ( _foo_trans_actions[_trans] == 0 )
@ -211,64 +223,66 @@ _match:
}
break;
case 2:
#line 21 ".\\ansi_parser.rl"
{
println("COLOR256");
}
break;
case 3:
#line 25 ".\\ansi_parser.rl"
{
println("COLOR24B");
}
break;
case 4:
#line 29 ".\\ansi_parser.rl"
{
println("SINGLE");
}
break;
case 5:
#line 33 ".\\ansi_parser.rl"
{
println("BASIC");
}
break;
case 6:
#line 37 ".\\ansi_parser.rl"
{
println("BG");
}
break;
case 7:
case 3:
#line 41 ".\\ansi_parser.rl"
{
println("FG");
}
break;
case 8:
case 4:
#line 45 ".\\ansi_parser.rl"
{
println("ANY: {}:{}", int((*p)), (*p));
}
break;
case 9:
case 5:
#line 72 ".\\ansi_parser.rl"
{ p--; {cs = 20;goto _again;} }
break;
case 8:
#line 49 ".\\ansi_parser.rl"
{
{te = p+1;{
println("START");
}
}}
break;
case 9:
#line 69 ".\\ansi_parser.rl"
{te = p+1;{ {cs = 1;goto _again;} }}
break;
case 10:
#line 53 ".\\ansi_parser.rl"
{
println("END");
}
#line 21 ".\\ansi_parser.rl"
{te = p;p--;{
println("COLOR256");
}}
break;
case 11:
#line 25 ".\\ansi_parser.rl"
{te = p;p--;{
println("COLOR24B");
}}
break;
#line 243 ".\\ansi_parser.cpp"
#line 244 ".\\ansi_parser.cpp"
}
}
_again:
_acts = _foo_actions + _foo_to_state_actions[cs];
_nacts = (unsigned int) *_acts++;
while ( _nacts-- > 0 ) {
switch ( *_acts++ ) {
case 6:
#line 1 "NONE"
{ts = 0;}
break;
#line 255 ".\\ansi_parser.cpp"
}
}
if ( cs == 0 )
goto _out;
if ( ++p != pe )
@ -276,25 +290,16 @@ _again:
_test_eof: {}
if ( p == eof )
{
const char *__acts = _foo_actions + _foo_eof_actions[cs];
unsigned int __nacts = (unsigned int) *__acts++;
while ( __nacts-- > 0 ) {
switch ( *__acts++ ) {
case 10:
#line 53 ".\\ansi_parser.rl"
{
println("END");
}
break;
#line 263 ".\\ansi_parser.cpp"
}
if ( _foo_eof_trans[cs] > 0 ) {
_trans = _foo_eof_trans[cs] - 1;
goto _eof_trans;
}
}
_out: {}
}
#line 95 ".\\ansi_parser.rl"
#line 91 ".\\ansi_parser.rl"
print("PROCESSED {} CHARS of {}", p - codes.data(), codes.size());

40
ansi_parser.rl
Unescape View File

@ -54,29 +54,23 @@ using namespace fmt;
println("END");
}
start = 0x1B "[";
ESC = 0x1B;
start = ESC "[";
fg = "38;" %fg;
bg = "48;" %bg;
num = digit+ >tstart %number;
color256 = "5;" num ";" num;
color24b = "2;" num ";" num ";" num;
basic = num ";" num;
single = num;
colorCode = (
start %start
(
(fg|bg) color256 %color256 |
(fg|bg) color24b %color24b |
single %colorSingle |
basic %colorBasic
)**
"m" %end
);
other = (any+ @any -- 0x1B)*;
main := (other :>> colorCode)**;
color256 = "5;";
color24b = "2;";
num = (digit+) >tstart %number;
ansi := |*
start => start;
(fg|bg) color256 num ";" num => color256;
(fg|bg) color24b num ";" num ";" num => color24b;
"m" => { fgoto main; };
*|;
main := (any @any -- ESC)* ESC @{ fhold; fgoto ansi; };
}%%
%% write data;
@ -88,7 +82,9 @@ bool parse_ansi(std::string_view codes) {
const char *p = codes.data();
const char *pe = p + codes.size();
const char *eof = pe;
const char *ts = p;
const char *te = p;
int act = 0;
%% write init;
%% write exec;

Write Preview
Loading…
Cancel
Save