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353 lines
6.5 KiB
353 lines
6.5 KiB
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/* #line 1 "user/ansi_parser.rl" */
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#include <esp8266.h>
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#include "ansi_parser.h"
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/* Ragel constants block */
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/* #line 9 "user/ansi_parser.c" */
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static const char _ansi_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, 1, 10
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};
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static const char _ansi_eof_actions[] = {
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0, 13, 13, 13, 13, 13, 13, 13,
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13, 13, 13, 13, 13, 13, 0, 0,
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0
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};
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static const int ansi_start = 1;
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static const int ansi_first_final = 14;
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static const int ansi_error = 0;
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static const int ansi_en_CSI_body = 3;
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static const int ansi_en_OSC_body = 5;
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static const int ansi_en_main = 1;
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/* #line 8 "user/ansi_parser.rl" */
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/**
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* \brief Linear ANSI chars stream parser
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*
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* Parses a stream of bytes using a Ragel parser. The defined
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* grammar does not use 'unget', so the entire buffer is
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* always processed in a linear manner.
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*
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* \attention -> but always check the Ragel output for 'p--'
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* or 'p -=', that means trouble.
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*
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* \param newdata - array of new chars to process
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* \param len - length of the newdata buffer
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*/
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void ICACHE_FLASH_ATTR
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ansi_parser(const char *newdata, size_t len)
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{
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static int cs = -1;
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// The CSI code is built here
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static char csi_leading; //!< Leading char, 0 if none
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static int csi_ni; //!< Number of the active digit
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static int csi_n[CSI_N_MAX]; //!< Param digits
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static char csi_char; //!< CSI action char (end)
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if (len == 0) len = strlen(newdata);
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// Load new data to Ragel vars
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const char *p = newdata;
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const char *eof = NULL;
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const char *pe = newdata + len;
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// Init Ragel on the first run
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if (cs == -1) {
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/* #line 68 "user/ansi_parser.c" */
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{
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cs = ansi_start;
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}
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/* #line 44 "user/ansi_parser.rl" */
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}
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// The parser
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/* #line 78 "user/ansi_parser.c" */
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{
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const char *_acts;
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unsigned int _nacts;
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if ( p == pe )
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goto _test_eof;
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if ( cs == 0 )
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goto _out;
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_resume:
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switch ( cs ) {
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case 1:
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if ( (*p) == 27 )
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goto tr1;
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goto tr0;
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case 2:
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switch( (*p) ) {
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case 91: goto tr3;
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case 93: goto tr4;
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case 99: goto tr5;
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}
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goto tr2;
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case 0:
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goto _out;
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case 14:
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if ( (*p) == 27 )
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goto tr1;
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goto tr0;
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case 3:
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if ( (*p) == 59 )
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goto tr8;
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if ( (*p) < 60 ) {
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if ( (*p) > 47 ) {
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if ( 48 <= (*p) && (*p) <= 57 )
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goto tr7;
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} else if ( (*p) >= 32 )
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goto tr6;
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} else if ( (*p) > 64 ) {
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if ( (*p) > 90 ) {
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if ( 97 <= (*p) && (*p) <= 122 )
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goto tr9;
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} else if ( (*p) >= 65 )
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goto tr9;
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} else
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goto tr6;
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goto tr2;
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case 4:
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if ( (*p) == 59 )
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goto tr8;
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if ( (*p) < 65 ) {
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if ( 48 <= (*p) && (*p) <= 57 )
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goto tr7;
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} else if ( (*p) > 90 ) {
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if ( 97 <= (*p) && (*p) <= 122 )
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goto tr9;
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} else
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goto tr9;
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goto tr2;
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case 15:
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goto tr2;
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case 5:
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switch( (*p) ) {
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case 70: goto tr10;
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case 87: goto tr11;
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}
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goto tr2;
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case 6:
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if ( (*p) == 82 )
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goto tr12;
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goto tr2;
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case 7:
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switch( (*p) ) {
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case 7: goto tr13;
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case 27: goto tr14;
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}
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goto tr2;
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case 16:
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goto tr2;
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case 8:
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if ( (*p) == 92 )
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goto tr13;
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goto tr2;
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case 9:
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if ( 48 <= (*p) && (*p) <= 57 )
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goto tr15;
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goto tr2;
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case 10:
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if ( (*p) == 59 )
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goto tr16;
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if ( 48 <= (*p) && (*p) <= 57 )
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goto tr15;
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goto tr2;
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case 11:
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if ( 48 <= (*p) && (*p) <= 57 )
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goto tr17;
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goto tr2;
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case 12:
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switch( (*p) ) {
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case 7: goto tr18;
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case 27: goto tr19;
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}
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if ( 48 <= (*p) && (*p) <= 57 )
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goto tr17;
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goto tr2;
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case 13:
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if ( (*p) == 92 )
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goto tr18;
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goto tr2;
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}
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tr2: cs = 0; goto f0;
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tr0: cs = 1; goto f1;
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tr1: cs = 2; goto _again;
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tr6: cs = 4; goto f5;
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tr7: cs = 4; goto f6;
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tr8: cs = 4; goto f7;
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tr10: cs = 6; goto _again;
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tr12: cs = 7; goto _again;
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tr14: cs = 8; goto _again;
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tr11: cs = 9; goto _again;
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tr15: cs = 10; goto f6;
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tr16: cs = 11; goto f7;
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tr17: cs = 12; goto f6;
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tr19: cs = 13; goto _again;
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tr3: cs = 14; goto f2;
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tr4: cs = 14; goto f3;
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tr5: cs = 14; goto f4;
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tr9: cs = 15; goto f8;
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tr13: cs = 16; goto f9;
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tr18: cs = 16; goto f10;
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f1: _acts = _ansi_actions + 1; goto execFuncs;
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f2: _acts = _ansi_actions + 3; goto execFuncs;
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f5: _acts = _ansi_actions + 5; goto execFuncs;
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f6: _acts = _ansi_actions + 7; goto execFuncs;
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f7: _acts = _ansi_actions + 9; goto execFuncs;
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f8: _acts = _ansi_actions + 11; goto execFuncs;
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f0: _acts = _ansi_actions + 13; goto execFuncs;
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f3: _acts = _ansi_actions + 15; goto execFuncs;
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f9: _acts = _ansi_actions + 17; goto execFuncs;
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f10: _acts = _ansi_actions + 19; goto execFuncs;
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f4: _acts = _ansi_actions + 21; goto execFuncs;
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execFuncs:
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_nacts = *_acts++;
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while ( _nacts-- > 0 ) {
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switch ( *_acts++ ) {
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case 0:
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/* #line 54 "user/ansi_parser.rl" */
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{
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apars_handle_plainchar((*p));
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}
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break;
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case 1:
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/* #line 61 "user/ansi_parser.rl" */
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{
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/* Reset the CSI builder */
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csi_leading = csi_char = 0;
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csi_ni = 0;
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/* Zero out digits */
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for(int i = 0; i < CSI_N_MAX; i++) {
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csi_n[i] = 0;
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}
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{cs = 3; goto _again;}
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}
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break;
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case 2:
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/* #line 74 "user/ansi_parser.rl" */
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{
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csi_leading = (*p);
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}
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break;
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case 3:
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/* #line 78 "user/ansi_parser.rl" */
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{
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/* x10 + digit */
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if (csi_ni < CSI_N_MAX) {
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csi_n[csi_ni] = csi_n[csi_ni]*10 + ((*p) - '0');
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}
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}
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break;
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case 4:
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/* #line 85 "user/ansi_parser.rl" */
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{
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csi_ni++;
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}
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break;
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case 5:
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/* #line 89 "user/ansi_parser.rl" */
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{
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csi_char = (*p);
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apars_handle_CSI(csi_leading, csi_n, csi_char);
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{cs = 1; goto _again;}
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}
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break;
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case 6:
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/* #line 97 "user/ansi_parser.rl" */
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{
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apars_handle_badseq();
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{cs = 1; goto _again;}
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}
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break;
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case 7:
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/* #line 114 "user/ansi_parser.rl" */
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{
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csi_ni = 0;
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// we reuse the CSI numeric buffer
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for(int i = 0; i < CSI_N_MAX; i++) {
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csi_n[i] = 0;
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}
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{cs = 5; goto _again;}
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}
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break;
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case 8:
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/* #line 125 "user/ansi_parser.rl" */
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{
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apars_handle_OSC_FactoryReset();
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{cs = 1; goto _again;}
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}
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break;
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case 9:
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/* #line 130 "user/ansi_parser.rl" */
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{
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apars_handle_OSC_SetScreenSize(csi_n[0], csi_n[1]);
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{cs = 1; goto _again;}
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}
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break;
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case 10:
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/* #line 141 "user/ansi_parser.rl" */
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{
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// Reset screen
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apars_handle_RESET_cmd();
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{cs = 1; goto _again;}
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}
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break;
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/* #line 320 "user/ansi_parser.c" */
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}
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}
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goto _again;
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_again:
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if ( cs == 0 )
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goto _out;
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if ( ++p != pe )
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goto _resume;
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_test_eof: {}
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if ( p == eof )
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{
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const char *__acts = _ansi_actions + _ansi_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 6:
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/* #line 97 "user/ansi_parser.rl" */
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{
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apars_handle_badseq();
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{cs = 1; goto _again;}
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}
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break;
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/* #line 344 "user/ansi_parser.c" */
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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 159 "user/ansi_parser.rl" */
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}
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