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more commands and glitches fixed, better debug messages, discard bad unicode

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This commit is contained in:
MightyPork
2017-08-13 17:30:54 +02:00
parent e47a5477f9
commit e48180ac10
10 changed files with 594 additions and 293 deletions
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user/ansi_parser.c
+341 -249
View File
@@ -11,26 +11,27 @@ static const char _ansi_actions[] = {
0, 1, 0, 1, 1, 1, 2, 1,
3, 1, 4, 1, 5, 1, 6, 1,
7, 1, 8, 1, 9, 1, 10, 1,
11, 1, 12, 1, 13, 1, 14, 2,
2, 5, 2, 10, 11, 2, 10, 12
11, 1, 12, 1, 13, 1, 14, 1,
15, 1, 16, 1, 17, 2, 2, 5,
2, 10, 11, 2, 10, 12
};
static const char _ansi_eof_actions[] = {
0, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 0, 0, 0, 0,
0, 0, 0, 0
13, 13, 13, 13, 13, 13, 0, 0,
0, 0, 0, 0, 0, 0, 0
};
static const int ansi_start = 1;
static const int ansi_first_final = 28;
static const int ansi_first_final = 30;
static const int ansi_error = 0;
static const int ansi_en_CSI_body = 4;
static const int ansi_en_OSC_body = 6;
static const int ansi_en_TITLE_body = 26;
static const int ansi_en_CSI_body = 5;
static const int ansi_en_OSC_body = 7;
static const int ansi_en_TITLE_body = 27;
static const int ansi_en_charsetcmd_body = 29;
static const int ansi_en_main = 1;
@@ -45,10 +46,39 @@ static void ICACHE_FLASH_ATTR
resetParserCb(void *arg) {
if (cs != ansi_start) {
cs = ansi_start;
warn("Parser timeout, state reset");
apars_reset_utf8buffer();
ansi_warn("Parser timeout, state reset");
}
}
#define HISTORY_LEN 16
#if DEBUG_ANSI
static char history[HISTORY_LEN + 1];
#endif
void ICACHE_FLASH_ATTR
apars_handle_badseq(void)
{
#if DEBUG_ANSI
char buf1[HISTORY_LEN*3+2];
char buf2[HISTORY_LEN*3+2];
char *b1 = buf1;
char *b2 = buf2;
char c;
for(int i=0;i<HISTORY_LEN;i++) {
c = history[i];
b1 += sprintf(b1, "%2X ", c);
if (c < 32 || c > 127) c = '.';
b2 += sprintf(b2, "%c ", c);
}
ansi_dbg("Context: %s", buf2);
ansi_dbg(" %s", buf1);
#endif
}
/**
* \brief Linear ANSI chars stream parser
*
@@ -68,6 +98,7 @@ ansi_parser(const char *newdata, size_t len)
// The CSI code is built here
static char csi_leading; //!< Leading char, 0 if none
static int csi_ni; //!< Number of the active digit
static int csi_cnt; //!< Digit count
static int csi_n[CSI_N_MAX]; //!< Param digits
static char csi_char; //!< CSI action char (end)
static char osc_buffer[OSC_CHAR_MAX];
@@ -83,24 +114,35 @@ ansi_parser(const char *newdata, size_t len)
// Init Ragel on the first run
if (cs == -1) {
/* #line 87 "user/ansi_parser.c" */
/* #line 118 "user/ansi_parser.c" */
{
cs = ansi_start;
}
/* #line 57 "user/ansi_parser.rl" */
/* #line 87 "user/ansi_parser.rl" */
#if DEBUG_ANSI
memset(history, 0, sizeof(history));
#endif
}
// schedule state reset
// schedule state reset after idle timeout
if (termconf->parser_tout_ms > 0) {
os_timer_disarm(&resetTim);
os_timer_setfn(&resetTim, resetParserCb, NULL);
os_timer_arm(&resetTim, termconf->parser_tout_ms, 0);
}
#if DEBUG_ANSI
for(int i=len; i<HISTORY_LEN; i++) {
history[i-len] = history[i];
}
strcpy(&history[HISTORY_LEN-len], newdata);
#endif
// The parser
/* #line 104 "user/ansi_parser.c" */
/* #line 146 "user/ansi_parser.c" */
{
const char *_acts;
unsigned int _nacts;
@@ -117,201 +159,216 @@ case 1:
goto tr0;
case 2:
switch( (*p) ) {
case 35: goto tr3;
case 91: goto tr5;
case 93: goto tr6;
case 107: goto tr7;
}
if ( (*p) < 65 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr4;
} else if ( (*p) > 90 ) {
if ( 97 <= (*p) && (*p) <= 122 )
goto tr4;
} else
goto tr4;
goto tr2;
case 0:
goto _out;
case 3:
if ( 48 <= (*p) && (*p) <= 57 )
goto tr8;
goto tr2;
case 28:
if ( (*p) == 27 )
goto tr1;
goto tr0;
case 4:
switch( (*p) ) {
case 59: goto tr11;
case 64: goto tr12;
case 32: goto tr3;
case 35: goto tr4;
case 91: goto tr7;
case 93: goto tr8;
case 107: goto tr9;
}
if ( (*p) < 60 ) {
if ( (*p) > 47 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr10;
goto tr6;
} else if ( (*p) >= 40 )
goto tr5;
} else if ( (*p) > 62 ) {
if ( (*p) > 90 ) {
if ( 97 <= (*p) && (*p) <= 122 )
goto tr6;
} else if ( (*p) >= 65 )
goto tr6;
} else
goto tr6;
goto tr2;
case 0:
goto _out;
case 3:
if ( 70 <= (*p) && (*p) <= 71 )
goto tr10;
goto tr2;
case 30:
if ( (*p) == 27 )
goto tr1;
goto tr0;
case 4:
if ( 48 <= (*p) && (*p) <= 57 )
goto tr11;
goto tr2;
case 5:
switch( (*p) ) {
case 59: goto tr14;
case 64: goto tr15;
}
if ( (*p) < 60 ) {
if ( (*p) > 47 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr13;
} else if ( (*p) >= 32 )
goto tr9;
goto tr12;
} else if ( (*p) > 63 ) {
if ( (*p) > 90 ) {
if ( 96 <= (*p) && (*p) <= 122 )
goto tr13;
goto tr16;
} else if ( (*p) >= 65 )
goto tr13;
goto tr16;
} else
goto tr9;
goto tr2;
case 5:
if ( (*p) == 59 )
goto tr11;
if ( (*p) < 64 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr10;
} else if ( (*p) > 90 ) {
if ( 96 <= (*p) && (*p) <= 122 )
goto tr13;
} else
goto tr13;
goto tr2;
case 29:
goto tr2;
case 30:
if ( (*p) == 59 )
goto tr11;
if ( (*p) < 64 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr10;
} else if ( (*p) > 90 ) {
if ( 96 <= (*p) && (*p) <= 122 )
goto tr13;
} else
goto tr13;
goto tr12;
goto tr2;
case 6:
switch( (*p) ) {
case 48: goto tr14;
case 66: goto tr15;
case 84: goto tr16;
case 87: goto tr17;
}
goto tr2;
case 7:
if ( (*p) == 59 )
goto tr18;
goto tr14;
if ( (*p) < 64 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr13;
} else if ( (*p) > 90 ) {
if ( 96 <= (*p) && (*p) <= 122 )
goto tr16;
} else
goto tr16;
goto tr2;
case 8:
switch( (*p) ) {
case 7: goto tr20;
case 27: goto tr21;
}
goto tr19;
case 31:
switch( (*p) ) {
case 7: goto tr20;
case 27: goto tr21;
}
goto tr19;
case 9:
if ( (*p) == 92 )
goto tr22;
goto tr2;
case 32:
if ( (*p) == 59 )
goto tr14;
if ( (*p) < 64 ) {
if ( 48 <= (*p) && (*p) <= 57 )
goto tr13;
} else if ( (*p) > 90 ) {
if ( 96 <= (*p) && (*p) <= 122 )
goto tr16;
} else
goto tr16;
goto tr2;
case 10:
if ( (*p) == 84 )
goto tr23;
goto tr2;
case 11:
if ( (*p) == 78 )
goto tr24;
goto tr2;
case 12:
if ( 48 <= (*p) && (*p) <= 57 )
goto tr25;
goto tr2;
case 13:
if ( (*p) == 61 )
goto tr26;
goto tr2;
case 14:
case 7:
switch( (*p) ) {
case 7: goto tr28;
case 27: goto tr29;
case 48: goto tr17;
case 66: goto tr18;
case 84: goto tr19;
case 87: goto tr20;
}
goto tr27;
goto tr2;
case 8:
if ( (*p) == 59 )
goto tr21;
goto tr2;
case 9:
switch( (*p) ) {
case 7: goto tr23;
case 27: goto tr24;
}
goto tr22;
case 33:
switch( (*p) ) {
case 7: goto tr28;
case 27: goto tr29;
case 7: goto tr23;
case 27: goto tr24;
}
goto tr27;
case 15:
goto tr22;
case 10:
if ( (*p) == 92 )
goto tr30;
goto tr25;
goto tr2;
case 16:
if ( (*p) == 73 )
goto tr31;
case 34:
goto tr2;
case 17:
case 11:
if ( (*p) == 84 )
goto tr32;
goto tr26;
goto tr2;
case 18:
if ( (*p) == 76 )
case 12:
if ( (*p) == 78 )
goto tr27;
goto tr2;
case 13:
if ( 48 <= (*p) && (*p) <= 57 )
goto tr28;
goto tr2;
case 14:
if ( (*p) == 61 )
goto tr29;
goto tr2;
case 15:
switch( (*p) ) {
case 7: goto tr31;
case 27: goto tr32;
}
goto tr30;
case 35:
switch( (*p) ) {
case 7: goto tr31;
case 27: goto tr32;
}
goto tr30;
case 16:
if ( (*p) == 92 )
goto tr33;
goto tr2;
case 19:
if ( (*p) == 69 )
case 17:
if ( (*p) == 73 )
goto tr34;
goto tr2;
case 20:
if ( (*p) == 61 )
case 18:
if ( (*p) == 84 )
goto tr35;
goto tr2;
case 21:
if ( 48 <= (*p) && (*p) <= 57 )
case 19:
if ( (*p) == 76 )
goto tr36;
goto tr2;
case 20:
if ( (*p) == 69 )
goto tr37;
goto tr2;
case 21:
if ( (*p) == 61 )
goto tr38;
goto tr2;
case 22:
if ( (*p) == 59 )
goto tr37;
if ( 48 <= (*p) && (*p) <= 57 )
goto tr36;
goto tr2;
case 23:
if ( 48 <= (*p) && (*p) <= 57 )
goto tr38;
goto tr2;
case 24:
switch( (*p) ) {
case 7: goto tr39;
case 27: goto tr40;
}
if ( 48 <= (*p) && (*p) <= 57 )
goto tr38;
goto tr2;
case 25:
if ( (*p) == 92 )
goto tr39;
goto tr2;
case 26:
switch( (*p) ) {
case 7: goto tr42;
case 27: goto tr43;
}
goto tr41;
case 34:
switch( (*p) ) {
case 7: goto tr42;
case 27: goto tr43;
}
goto tr41;
case 27:
if ( (*p) == 92 )
goto tr44;
case 23:
if ( (*p) == 59 )
goto tr40;
if ( 48 <= (*p) && (*p) <= 57 )
goto tr39;
goto tr2;
case 35:
case 24:
if ( 48 <= (*p) && (*p) <= 57 )
goto tr41;
goto tr2;
case 25:
switch( (*p) ) {
case 7: goto tr42;
case 27: goto tr43;
}
if ( 48 <= (*p) && (*p) <= 57 )
goto tr41;
goto tr2;
case 26:
if ( (*p) == 92 )
goto tr42;
goto tr2;
case 27:
switch( (*p) ) {
case 7: goto tr45;
case 27: goto tr46;
}
goto tr44;
case 36:
switch( (*p) ) {
case 7: goto tr45;
case 27: goto tr46;
}
goto tr44;
case 28:
if ( (*p) == 92 )
goto tr47;
goto tr2;
case 37:
goto tr2;
case 29:
goto tr48;
case 38:
goto tr2;
}
@@ -319,101 +376,112 @@ case 35:
tr0: cs = 1; goto f1;
tr1: cs = 2; goto _again;
tr3: cs = 3; goto _again;
tr9: cs = 5; goto f7;
tr10: cs = 5; goto f8;
tr11: cs = 5; goto f9;
tr14: cs = 7; goto _again;
tr18: cs = 8; goto _again;
tr19: cs = 8; goto f12;
tr4: cs = 4; goto _again;
tr12: cs = 6; goto f9;
tr13: cs = 6; goto f10;
tr14: cs = 6; goto f11;
tr17: cs = 8; goto _again;
tr21: cs = 9; goto _again;
tr15: cs = 10; goto _again;
tr23: cs = 11; goto _again;
tr24: cs = 12; goto _again;
tr25: cs = 13; goto f8;
tr26: cs = 14; goto _again;
tr27: cs = 14; goto f12;
tr22: cs = 9; goto f14;
tr24: cs = 10; goto _again;
tr18: cs = 11; goto _again;
tr26: cs = 12; goto _again;
tr27: cs = 13; goto _again;
tr28: cs = 14; goto f10;
tr29: cs = 15; goto _again;
tr16: cs = 16; goto _again;
tr31: cs = 17; goto _again;
tr32: cs = 18; goto _again;
tr33: cs = 19; goto _again;
tr34: cs = 20; goto _again;
tr17: cs = 21; goto _again;
tr36: cs = 22; goto f8;
tr37: cs = 23; goto f9;
tr38: cs = 24; goto f8;
tr40: cs = 25; goto _again;
tr41: cs = 26; goto f12;
tr43: cs = 27; goto _again;
tr4: cs = 28; goto f2;
tr5: cs = 28; goto f3;
tr6: cs = 28; goto f4;
tr7: cs = 28; goto f5;
tr8: cs = 28; goto f6;
tr13: cs = 29; goto f11;
tr12: cs = 30; goto f10;
tr20: cs = 31; goto f13;
tr35: cs = 32; goto f5;
tr22: cs = 32; goto f14;
tr30: cs = 32; goto f16;
tr39: cs = 32; goto f17;
tr28: cs = 33; goto f15;
tr42: cs = 34; goto f13;
tr44: cs = 35; goto f14;
tr30: cs = 15; goto f14;
tr32: cs = 16; goto _again;
tr19: cs = 17; goto _again;
tr34: cs = 18; goto _again;
tr35: cs = 19; goto _again;
tr36: cs = 20; goto _again;
tr37: cs = 21; goto _again;
tr20: cs = 22; goto _again;
tr39: cs = 23; goto f10;
tr40: cs = 24; goto f11;
tr41: cs = 25; goto f10;
tr43: cs = 26; goto _again;
tr44: cs = 27; goto f14;
tr46: cs = 28; goto _again;
tr5: cs = 30; goto f2;
tr6: cs = 30; goto f3;
tr7: cs = 30; goto f4;
tr8: cs = 30; goto f5;
tr9: cs = 30; goto f6;
tr10: cs = 30; goto f7;
tr11: cs = 30; goto f8;
tr16: cs = 31; goto f13;
tr15: cs = 32; goto f12;
tr23: cs = 33; goto f15;
tr38: cs = 34; goto f6;
tr25: cs = 34; goto f16;
tr33: cs = 34; goto f18;
tr42: cs = 34; goto f19;
tr31: cs = 35; goto f17;
tr45: cs = 36; goto f15;
tr47: cs = 37; goto f16;
tr48: cs = 38; goto f20;
f1: _acts = _ansi_actions + 1; goto execFuncs;
f3: _acts = _ansi_actions + 3; goto execFuncs;
f7: _acts = _ansi_actions + 5; goto execFuncs;
f8: _acts = _ansi_actions + 7; goto execFuncs;
f9: _acts = _ansi_actions + 9; goto execFuncs;
f11: _acts = _ansi_actions + 11; goto execFuncs;
f4: _acts = _ansi_actions + 3; goto execFuncs;
f9: _acts = _ansi_actions + 5; goto execFuncs;
f10: _acts = _ansi_actions + 7; goto execFuncs;
f11: _acts = _ansi_actions + 9; goto execFuncs;
f13: _acts = _ansi_actions + 11; goto execFuncs;
f0: _acts = _ansi_actions + 13; goto execFuncs;
f4: _acts = _ansi_actions + 15; goto execFuncs;
f5: _acts = _ansi_actions + 17; goto execFuncs;
f17: _acts = _ansi_actions + 19; goto execFuncs;
f12: _acts = _ansi_actions + 21; goto execFuncs;
f14: _acts = _ansi_actions + 23; goto execFuncs;
f16: _acts = _ansi_actions + 25; goto execFuncs;
f6: _acts = _ansi_actions + 27; goto execFuncs;
f2: _acts = _ansi_actions + 29; goto execFuncs;
f10: _acts = _ansi_actions + 31; goto execFuncs;
f13: _acts = _ansi_actions + 34; goto execFuncs;
f15: _acts = _ansi_actions + 37; goto execFuncs;
f5: _acts = _ansi_actions + 15; goto execFuncs;
f6: _acts = _ansi_actions + 17; goto execFuncs;
f19: _acts = _ansi_actions + 19; goto execFuncs;
f14: _acts = _ansi_actions + 21; goto execFuncs;
f16: _acts = _ansi_actions + 23; goto execFuncs;
f18: _acts = _ansi_actions + 25; goto execFuncs;
f8: _acts = _ansi_actions + 27; goto execFuncs;
f3: _acts = _ansi_actions + 29; goto execFuncs;
f7: _acts = _ansi_actions + 31; goto execFuncs;
f2: _acts = _ansi_actions + 33; goto execFuncs;
f20: _acts = _ansi_actions + 35; goto execFuncs;
f12: _acts = _ansi_actions + 37; goto execFuncs;
f15: _acts = _ansi_actions + 40; goto execFuncs;
f17: _acts = _ansi_actions + 43; goto execFuncs;
execFuncs:
_nacts = *_acts++;
while ( _nacts-- > 0 ) {
switch ( *_acts++ ) {
case 0:
/* #line 76 "user/ansi_parser.rl" */
/* #line 117 "user/ansi_parser.rl" */
{
apars_handle_plainchar((*p));
if ((*p) != 0) {
apars_handle_plainchar((*p));
}
}
break;
case 1:
/* #line 83 "user/ansi_parser.rl" */
/* #line 126 "user/ansi_parser.rl" */
{
// Reset the CSI builder
csi_leading = csi_char = 0;
csi_ni = 0;
csi_cnt = 0;
// Zero out digits
for(int i = 0; i < CSI_N_MAX; i++) {
csi_n[i] = 0;
}
{cs = 4;goto _again;}
{cs = 5;goto _again;}
}
break;
case 2:
/* #line 96 "user/ansi_parser.rl" */
/* #line 140 "user/ansi_parser.rl" */
{
csi_leading = (*p);
}
break;
case 3:
/* #line 100 "user/ansi_parser.rl" */
/* #line 144 "user/ansi_parser.rl" */
{
if (csi_cnt == 0) csi_cnt = 1;
// x10 + digit
if (csi_ni < CSI_N_MAX) {
csi_n[csi_ni] = csi_n[csi_ni]*10 + ((*p) - '0');
@@ -421,30 +489,31 @@ execFuncs:
}
break;
case 4:
/* #line 107 "user/ansi_parser.rl" */
/* #line 152 "user/ansi_parser.rl" */
{
if (csi_cnt == 0) csi_cnt = 1; // handle case when first arg is empty
csi_cnt++;
csi_ni++;
}
break;
case 5:
/* #line 111 "user/ansi_parser.rl" */
/* #line 158 "user/ansi_parser.rl" */
{
csi_char = (*p);
apars_handle_CSI(csi_leading, csi_n, csi_char);
apars_handle_CSI(csi_leading, csi_n, csi_cnt, csi_char);
{cs = 1;goto _again;}
}
break;
case 6:
/* #line 119 "user/ansi_parser.rl" */
/* #line 164 "user/ansi_parser.rl" */
{
ansi_warn("Invalid escape sequence discarded.");
apars_handle_badseq();
{cs = 1;goto _again;}
}
break;
case 7:
/* #line 136 "user/ansi_parser.rl" */
/* #line 182 "user/ansi_parser.rl" */
{
csi_ni = 0;
@@ -456,32 +525,32 @@ execFuncs:
osc_bi = 0;
osc_buffer[0] = '\0';
{cs = 6;goto _again;}
{cs = 7;goto _again;}
}
break;
case 8:
/* #line 151 "user/ansi_parser.rl" */
/* #line 197 "user/ansi_parser.rl" */
{
osc_bi = 0;
osc_buffer[0] = '\0';
{cs = 26;goto _again;}
{cs = 27;goto _again;}
}
break;
case 9:
/* #line 157 "user/ansi_parser.rl" */
/* #line 203 "user/ansi_parser.rl" */
{
apars_handle_OSC_SetScreenSize(csi_n[0], csi_n[1]);
{cs = 1;goto _again;}
}
break;
case 10:
/* #line 162 "user/ansi_parser.rl" */
/* #line 208 "user/ansi_parser.rl" */
{
osc_buffer[osc_bi++] = (*p);
}
break;
case 11:
/* #line 166 "user/ansi_parser.rl" */
/* #line 212 "user/ansi_parser.rl" */
{
osc_buffer[osc_bi++] = '\0';
apars_handle_OSC_SetTitle(osc_buffer);
@@ -489,7 +558,7 @@ execFuncs:
}
break;
case 12:
/* #line 172 "user/ansi_parser.rl" */
/* #line 218 "user/ansi_parser.rl" */
{
osc_buffer[osc_bi++] = '\0';
apars_handle_OSC_SetButton(csi_n[0], osc_buffer);
@@ -497,20 +566,42 @@ execFuncs:
}
break;
case 13:
/* #line 204 "user/ansi_parser.rl" */
/* #line 250 "user/ansi_parser.rl" */
{
apars_handle_hashCode((*p));
{cs = 1;goto _again;}
}
break;
case 14:
/* #line 209 "user/ansi_parser.rl" */
/* #line 255 "user/ansi_parser.rl" */
{
apars_handle_shortCode((*p));
{cs = 1;goto _again;}
}
break;
/* #line 514 "user/ansi_parser.c" */
case 15:
/* #line 260 "user/ansi_parser.rl" */
{
apars_handle_setXCtrls((*p));
{cs = 1;goto _again;}
}
break;
case 16:
/* #line 265 "user/ansi_parser.rl" */
{
// abuse the buffer for storing the leading char
osc_buffer[0] = (*p);
{cs = 29;goto _again;}
}
break;
case 17:
/* #line 271 "user/ansi_parser.rl" */
{
apars_handle_characterSet(osc_buffer[0], (*p));
{cs = 1;goto _again;}
}
break;
/* #line 605 "user/ansi_parser.c" */
}
}
goto _again;
@@ -528,15 +619,16 @@ _again:
while ( __nacts-- > 0 ) {
switch ( *__acts++ ) {
case 6:
/* #line 119 "user/ansi_parser.rl" */
/* #line 164 "user/ansi_parser.rl" */
{
ansi_warn("Invalid escape sequence discarded.");
apars_handle_badseq();
{cs = 1; if ( p == pe )
goto _test_eof;
goto _again;}
}
break;
/* #line 540 "user/ansi_parser.c" */
/* #line 632 "user/ansi_parser.c" */
}
}
}
@@ -544,7 +636,7 @@ goto _again;}
_out: {}
}
/* #line 229 "user/ansi_parser.rl" */
/* #line 295 "user/ansi_parser.rl" */
}
user/ansi_parser.h
+17 -2
View File
@@ -8,14 +8,26 @@
#define CSI_N_MAX 3
#define OSC_CHAR_MAX TERM_TITLE_LEN
extern void apars_handle_badseq(void);
extern void apars_handle_plainchar(char c);
extern void apars_handle_CSI(char leadchar, int *params, char keychar);
extern void apars_handle_CSI(char leadchar, int *params, int count, char keychar);
extern void apars_handle_OSC_SetScreenSize(int rows, int cols);
extern void apars_handle_OSC_SetButton(int num, const char *buffer);
extern void apars_handle_OSC_SetTitle(const char *buffer);
extern void apars_handle_shortCode(char c);
extern void apars_handle_hashCode(char c);
extern void apars_handle_characterSet(char leadchar, char c);
extern void apars_handle_setXCtrls(char c);
extern void apars_reset_utf8buffer(void);
// defined in the makefile
#if DEBUG_ANSI
#define ansi_warn warn
#define ansi_dbg warn
#else
#define ansi_warn(...)
#define ansi_dbg(...)
#endif
/**
* \brief Linear ANSI chars stream parser
@@ -32,4 +44,7 @@ extern void apars_handle_hashCode(char c);
*/
void ansi_parser(const char *newdata, size_t len);
/** This shows a short error message and prints the history (if any) */
void apars_handle_badseq(void);
#endif // ANSI_PARSER_H
user/ansi_parser.rl
+73 -7
View File
@@ -16,10 +16,39 @@ static void ICACHE_FLASH_ATTR
resetParserCb(void *arg) {
if (cs != ansi_start) {
cs = ansi_start;
warn("Parser timeout, state reset");
apars_reset_utf8buffer();
ansi_warn("Parser timeout, state reset");
}
}
#define HISTORY_LEN 16
#if DEBUG_ANSI
static char history[HISTORY_LEN + 1];
#endif
void ICACHE_FLASH_ATTR
apars_handle_badseq(void)
{
#if DEBUG_ANSI
char buf1[HISTORY_LEN*3+2];
char buf2[HISTORY_LEN*3+2];
char *b1 = buf1;
char *b2 = buf2;
char c;
for(int i=0;i<HISTORY_LEN;i++) {
c = history[i];
b1 += sprintf(b1, "%2X ", c);
if (c < 32 || c > 127) c = '.';
b2 += sprintf(b2, "%c ", c);
}
ansi_dbg("Context: %s", buf2);
ansi_dbg(" %s", buf1);
#endif
}
/**
* \brief Linear ANSI chars stream parser
*
@@ -39,6 +68,7 @@ ansi_parser(const char *newdata, size_t len)
// The CSI code is built here
static char csi_leading; //!< Leading char, 0 if none
static int csi_ni; //!< Number of the active digit
static int csi_cnt; //!< Digit count
static int csi_n[CSI_N_MAX]; //!< Param digits
static char csi_char; //!< CSI action char (end)
static char osc_buffer[OSC_CHAR_MAX];
@@ -54,15 +84,26 @@ ansi_parser(const char *newdata, size_t len)
// Init Ragel on the first run
if (cs == -1) {
%% write init;
#if DEBUG_ANSI
memset(history, 0, sizeof(history));
#endif
}
// schedule state reset
// schedule state reset after idle timeout
if (termconf->parser_tout_ms > 0) {
os_timer_disarm(&resetTim);
os_timer_setfn(&resetTim, resetParserCb, NULL);
os_timer_arm(&resetTim, termconf->parser_tout_ms, 0);
}
#if DEBUG_ANSI
for(int i=len; i<HISTORY_LEN; i++) {
history[i-len] = history[i];
}
strcpy(&history[HISTORY_LEN-len], newdata);
#endif
// The parser
%%{
#/*
@@ -74,7 +115,9 @@ ansi_parser(const char *newdata, size_t len)
# --- Regular characters to be printed ---
action plain_char {
apars_handle_plainchar(fc);
if (fc != 0) {
apars_handle_plainchar(fc);
}
}
# --- CSI CSI commands (Select Graphic Rendition) ---
@@ -84,6 +127,7 @@ ansi_parser(const char *newdata, size_t len)
// Reset the CSI builder
csi_leading = csi_char = 0;
csi_ni = 0;
csi_cnt = 0;
// Zero out digits
for(int i = 0; i < CSI_N_MAX; i++) {
@@ -98,6 +142,7 @@ ansi_parser(const char *newdata, size_t len)
}
action CSI_digit {
if (csi_cnt == 0) csi_cnt = 1;
// x10 + digit
if (csi_ni < CSI_N_MAX) {
csi_n[csi_ni] = csi_n[csi_ni]*10 + (fc - '0');
@@ -105,18 +150,19 @@ ansi_parser(const char *newdata, size_t len)
}
action CSI_semi {
if (csi_cnt == 0) csi_cnt = 1; // handle case when first arg is empty
csi_cnt++;
csi_ni++;
}
action CSI_end {
csi_char = fc;
apars_handle_CSI(csi_leading, csi_n, csi_char);
apars_handle_CSI(csi_leading, csi_n, csi_cnt, csi_char);
fgoto main;
}
action errBadSeq {
ansi_warn("Invalid escape sequence discarded.");
apars_handle_badseq();
fgoto main;
}
@@ -211,6 +257,24 @@ ansi_parser(const char *newdata, size_t len)
fgoto main;
}
action SetXCtrls {
apars_handle_setXCtrls(fc);
fgoto main;
}
action CharsetCmd_start {
// abuse the buffer for storing the leading char
osc_buffer[0] = fc;
fgoto charsetcmd_body;
}
action CharsetCmd_end {
apars_handle_characterSet(osc_buffer[0], fc);
fgoto main;
}
charsetcmd_body := (any @CharsetCmd_end) $!errBadSeq;
# --- Main parser loop ---
main :=
@@ -220,7 +284,9 @@ ansi_parser(const char *newdata, size_t len)
(']' @OSC_start) |
('#' digit @HASH_code) |
('k' @SetTitle_start) |
([a-jl-zA-Z0-9] @SHORT_code)
([a-jl-zA-Z0-9=<>] @SHORT_code) |
([()*+-./] @CharsetCmd_start) |
(' ' [FG] @SetXCtrls)
)
)+ $!errBadSeq;
user/ansi_parser_callbacks.c
+132 -23
View File
@@ -39,28 +39,53 @@ apars_handle_plainchar(char c)
utf_j = 1;
}
else {
utf_collect[utf_j++] = c;
if (utf_j >= utf_i) {
screen_putchar(utf_collect);
utf_i = 0;
utf_j = 0;
memset(utf_collect, 0, 4);
if ((c & 0xC0) != 0x80) {
// bad UTF
ansi_warn("Bad UTF-8");
apars_reset_utf8buffer();
}
else {
utf_collect[utf_j++] = c;
if (utf_j >= utf_i) {
screen_putchar(utf_collect);
apars_reset_utf8buffer();
}
}
}
}
else {
if (c == 14 || c == 15) { // pushIn, pushOut
//ansi_warn("char %d ignored", c);
// TODO implement for charset switching
return;
}
utf_collect[0] = c;
utf_collect[1] = 0; // just to make sure it's closed...
screen_putchar(utf_collect);
}
}
/**
* Bad sequence received, show warning
*/
void apars_handle_badseq(void)
void ICACHE_FLASH_ATTR
apars_reset_utf8buffer(void)
{
warn("Invalid escape sequence discarded.");
utf_i = 0;
utf_j = 0;
memset(utf_collect, 0, 4);
}
void ICACHE_FLASH_ATTR
apars_handle_characterSet(char leadchar, char c)
{
// TODO implement for charset switching
// ansi_warn("NOIMPL charset cmd %c%c", leadchar, c);
}
void ICACHE_FLASH_ATTR
apars_handle_setXCtrls(char c)
{
// this does not seem to do anything, sent by some unix programs
// ansi_warn("NOIMPL Select %cbit ctrls", c=='F'? '7':'8');
}
/**
@@ -70,7 +95,7 @@ void apars_handle_badseq(void)
* \param keychar - the char terminating the sequence
*/
void ICACHE_FLASH_ATTR
apars_handle_CSI(char leadchar, int *params, char keychar)
apars_handle_CSI(char leadchar, int *params, int count, char keychar)
{
/*
Implemented codes (from Wikipedia)
@@ -216,38 +241,66 @@ apars_handle_CSI(char leadchar, int *params, char keychar)
// Query device status - reply "Device is OK"
UART_WriteString(UART0, "\033[0n", UART_TIMEOUT_US);
}
else {
ansi_warn("NOIMPL query %d", n1);
}
break;
// DECTCEM feature enable / disable
case 'h': // feature enable
if (leadchar == '?') {
if (n1 == 25) {
screen_cursor_enable(1);
} else if (n1 == 7) {
screen_wrap_enable(1);
if (n1 == 25) screen_cursor_enable(1);
else if (n1 == 7) screen_wrap_enable(1);
else if (n1 == 1) {
// TODO something with arrow keys??
}
else {
ansi_warn("NOIMPL DEC opt %d", n1);
}
}
else {
if (n1 == 4) {
// TODO insert mode, i think this is to suppress user input
}
else {
ansi_warn("NOIMPL flag %d", n1);
}
}
break;
case 'l': // feature disable
if (leadchar == '?') {
if (n1 == 25) {
screen_cursor_enable(0);
} else if (n1 == 7) {
screen_wrap_enable(0);
if (n1 == 25) screen_cursor_enable(0);
else if (n1 == 7) screen_wrap_enable(0);
else if (n1 == 1) {
// TODO see above
}
else {
ansi_warn("NOIMPL DEC opt %d", n1);
}
}
else {
if (n1 == 4) {
// TODO see above
}
else {
ansi_warn("NOIMPL flag %d", n1);
}
}
break;
case 'm': // SGR - graphics rendition aka attributes
if (count == 0) {
count = 1; // this makes it work as 0 (reset)
}
// iterate arguments
for (int i = 0; i < CSI_N_MAX; i++) {
for (int i = 0; i < count; i++) {
int n = params[i];
if (i == 0 && n == 0) { // reset SGR
if (n == 0) { // reset SGR
screen_reset_cursor(); // resets colors, inverse and bold.
break; // cannot combine reset with others - discard
}
else if (n >= 30 && n <= 37) screen_set_fg((Color) (n - 30)); // ANSI normal fg
else if (n >= 40 && n <= 47) screen_set_bg((Color) (n - 40)); // ANSI normal bg
@@ -259,6 +312,9 @@ apars_handle_CSI(char leadchar, int *params, char keychar)
else if (n == 21 || n == 22) screen_set_bold(false); // bold off
else if (n >= 90 && n <= 97) screen_set_fg((Color) (n - 90 + 8)); // AIX bright fg
else if (n >= 100 && n <= 107) screen_set_bg((Color) (n - 100 + 8)); // AIX bright bg
else {
ansi_warn("NOIMPL SGR attr %d", n);
}
}
break;
@@ -281,6 +337,30 @@ apars_handle_CSI(char leadchar, int *params, char keychar)
case 'P':
screen_delete_characters(n1);
break;
case 'r':
// TODO scrolling region
ansi_warn("NOIMPL scrolling region");
break;
case 'g':
// TODO clear tab
ansi_warn("NOIMPL clear tab");
break;
case 'Z':
// TODO back tab
ansi_warn("NOIMPL cursor back tab");
break;
case 'q':
// TODO setmode (??)
ansi_warn("NOIMPL CSI setmode %d", n1);
break;
default:
ansi_warn("Unknown CSI: %c", keychar);
apars_handle_badseq();
}
}
@@ -291,6 +371,9 @@ void ICACHE_FLASH_ATTR apars_handle_hashCode(char c)
case '8':
screen_fill_with_E();
break;
default:
ansi_warn("Unknown # sequence: %c", c);
}
}
@@ -301,22 +384,48 @@ void ICACHE_FLASH_ATTR apars_handle_shortCode(char c)
case 'c': // screen reset
screen_reset();
break;
case '7': // save cursor + attrs
screen_cursor_save(true);
break;
case '8': // restore cursor + attrs
screen_cursor_restore(true);
break;
case 'E': // same as CR LF
screen_cursor_move(1, 0, false);
screen_cursor_set_x(0);
break;
case 'D': // move cursor down, scroll screen up if needed
screen_cursor_move(1, 0, true);
break;
case 'M': // move cursor up, scroll screen down if needed
screen_cursor_move(-1, 0, true);
break;
case 'H':
// TODO set tab
// ansi_warn("NOIMPL set tab");
break;
// TODO those don't seem to do anything
case '>':
// ansi_warn("NOIMPL NUMKP");
break;
case '<':
// ansi_warn("NOIMPL SETANSI");
break;
case '=':
// ansi_warn("NOIMPL ALTKP");
break;
default:
ansi_warn("Unknown 1-char seq %c", c);
}
}
user/ansi_parser_callbacks.h
+4 -2
View File
@@ -1,13 +1,15 @@
#ifndef ANSI_PARSER_CALLBACKS_H
#define ANSI_PARSER_CALLBACKS_H
void apars_handle_badseq(void);
void apars_handle_plainchar(char c);
void apars_handle_CSI(char leadchar, int *params, char keychar);
void apars_handle_CSI(char leadchar, int *params, int count, char keychar);
void apars_handle_OSC_SetScreenSize(int rows, int cols);
void apars_handle_OSC_SetButton(int num, const char *buffer);
void apars_handle_OSC_SetTitle(const char *buffer);
void apars_handle_shortCode(char c);
void apars_handle_hashCode(char c);
void apars_handle_characterSet(char leadchar, char c);
void apars_handle_setXCtrls(char c);
void apars_reset_utf8buffer(void);
#endif //ESP_VT100_FIRMWARE_ANSI_PARSER_CALLBACKS_H
user/cgi_sockets.c
+5 -5
View File
@@ -98,7 +98,7 @@ void ICACHE_FLASH_ATTR updateSockRx(Websock *ws, char *data, int len, int flags)
// TODO re-implement those, use single byte markers and B2 encoding
dbg("Sock RX str: %s, len %d", data, len);
ws_dbg("Sock RX str: %s, len %d", data, len);
if (strstarts(data, "STR:")) {
// pass string verbatim
@@ -134,24 +134,24 @@ void ICACHE_FLASH_ATTR updateSockRx(Websock *ws, char *data, int len, int flags)
}
if (!screen_isCoordValid(y, x)) {
warn("Mouse input at invalid coordinates");
ws_warn("Mouse input at invalid coordinates");
return;
}
dbg("Screen clicked at row %d, col %d", y+1, x+1);
ws_dbg("Screen clicked at row %d, col %d", y+1, x+1);
// Send as 1-based to user
sprintf(buf, "\033[%d;%dM", y+1, x+1);
UART_WriteString(UART0, buf, UART_TIMEOUT_US);
}
else {
warn("Bad command.");
ws_warn("Bad command.");
}
}
/** Socket connected for updates */
void ICACHE_FLASH_ATTR updateSockConnect(Websock *ws)
{
info("Socket connected to "URL_WS_UPDATE);
ws_info("Socket connected to "URL_WS_UPDATE);
ws->recvCb = updateSockRx;
}
user/cgi_sockets.h
+11
View File
@@ -9,4 +9,15 @@
void updateSockConnect(Websock *ws);
void screen_notifyChange(ScreenNotifyChangeTopic topic);
// defined in the makefile
#if DEBUG_INPUT
#define ws_warn warn
#define ws_dbg dbg
#define ws_info info
#else
#define ws_warn(...)
#define ws_dbg(...)
#define ws_info(...)
#endif
#endif //CGI_SOCKETS_H
user/screen.c
+1 -3
View File
@@ -186,12 +186,10 @@ screen_reset(void)
void ICACHE_FLASH_ATTR
screen_reset_cursor(void)
{
NOTIFY_LOCK();
cursor.fg = termconf_scratch.default_fg;
cursor.bg = termconf_scratch.default_bg;
cursor.inverse = 0;
cursor.bold = 0;
NOTIFY_DONE();
}
/**
@@ -712,7 +710,7 @@ screen_putchar(const char *ch)
default:
if (ch[0] < ' ') {
// Discard
warn("Ignoring control char %d", (int)ch);
warn("Ignoring control char %d", (int)ch[0]);
goto done;
}
}