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chore: import upstream snapshot with attribution
2026-07-13 12:28:05 +08:00

518 lines
18 KiB
C

#include <stdint.h>
#include <stdlib.h>
#define SCH_STT_FRZ -1
#define HAS_TIMESTAMP 1
typedef enum {
RS_STR,
RS_FLOAT,
RS_INT,
RS_BOOL,
RS_NULL,
RS_TIMESTAMP,
} ResultSchema;
static int8_t adv_sch_stt(int8_t sch_stt, int32_t cur_chr, ResultSchema *rlt_sch) {
switch (sch_stt) {
case SCH_STT_FRZ:
break;
case 0:
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 89;}
if (cur_chr == '0') {*rlt_sch = RS_INT; return 75;}
if (cur_chr == 'F') {*rlt_sch = RS_STR; return 13;}
if (cur_chr == 'N') {*rlt_sch = RS_BOOL; return 70;}
if (cur_chr == 'O') {*rlt_sch = RS_STR; return 17;}
if (cur_chr == 'T') {*rlt_sch = RS_STR; return 24;}
if (cur_chr == 'Y') {*rlt_sch = RS_BOOL; return 69;}
if (cur_chr == 'f') {*rlt_sch = RS_STR; return 29;}
if (cur_chr == 'n') {*rlt_sch = RS_BOOL; return 72;}
if (cur_chr == 'o') {*rlt_sch = RS_STR; return 33;}
if (cur_chr == 't') {*rlt_sch = RS_STR; return 40;}
if (cur_chr == 'y') {*rlt_sch = RS_BOOL; return 71;}
if (cur_chr == '~') {*rlt_sch = RS_NULL; return 67;}
if (cur_chr == '+') {*rlt_sch = RS_STR; return 7;}
if (cur_chr == '-') {*rlt_sch = RS_STR; return 7;}
if (('1' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_INT; return 82;}
break;
case 1:
if (cur_chr == '-') {*rlt_sch = RS_STR; return 53;}
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (('0' <= cur_chr && cur_chr <= '9') ||
cur_chr == '_') {*rlt_sch = RS_STR; return 6;}
break;
case 2:
if (cur_chr == '-') {*rlt_sch = RS_STR; return 54;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 3;}
break;
case 3:
if (cur_chr == '-') {*rlt_sch = RS_STR; return 60;}
break;
case 4:
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (cur_chr == '_') {*rlt_sch = RS_STR; return 6;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 1;}
break;
case 5:
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (cur_chr == '_') {*rlt_sch = RS_STR; return 6;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 4;}
break;
case 6:
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (('0' <= cur_chr && cur_chr <= '9') ||
cur_chr == '_') {*rlt_sch = RS_STR; return 6;}
break;
case 7:
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 90;}
if (cur_chr == '0') {*rlt_sch = RS_INT; return 78;}
if (('1' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_INT; return 83;}
break;
case 8:
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 93;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
break;
case 9:
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 93;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 8;}
break;
case 10:
if (cur_chr == ':') {*rlt_sch = RS_STR; return 61;}
break;
case 11:
if (cur_chr == ':') {*rlt_sch = RS_STR; return 61;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 10;}
break;
case 12:
if (cur_chr == ':') {*rlt_sch = RS_STR; return 62;}
break;
case 13:
if (cur_chr == 'A') {*rlt_sch = RS_STR; return 20;}
if (cur_chr == 'a') {*rlt_sch = RS_STR; return 36;}
break;
case 14:
if (cur_chr == 'A') {*rlt_sch = RS_STR; return 22;}
if (cur_chr == 'a') {*rlt_sch = RS_STR; return 22;}
break;
case 15:
if (cur_chr == 'E') {*rlt_sch = RS_BOOL; return 68;}
break;
case 16:
if (cur_chr == 'F') {*rlt_sch = RS_BOOL; return 68;}
break;
case 17:
if (cur_chr == 'F') {*rlt_sch = RS_STR; return 16;}
if (cur_chr == 'f') {*rlt_sch = RS_STR; return 32;}
if (cur_chr == 'N' ||
cur_chr == 'n') {*rlt_sch = RS_BOOL; return 68;}
break;
case 18:
if (cur_chr == 'F') {*rlt_sch = RS_FLOAT; return 88;}
break;
case 19:
if (cur_chr == 'L') {*rlt_sch = RS_NULL; return 67;}
break;
case 20:
if (cur_chr == 'L') {*rlt_sch = RS_STR; return 26;}
break;
case 21:
if (cur_chr == 'L') {*rlt_sch = RS_STR; return 19;}
break;
case 22:
if (cur_chr == 'N') {*rlt_sch = RS_FLOAT; return 88;}
break;
case 23:
if (cur_chr == 'N') {*rlt_sch = RS_STR; return 18;}
if (cur_chr == 'n') {*rlt_sch = RS_STR; return 34;}
break;
case 24:
if (cur_chr == 'R') {*rlt_sch = RS_STR; return 27;}
if (cur_chr == 'r') {*rlt_sch = RS_STR; return 43;}
break;
case 25:
if (cur_chr == 'S') {*rlt_sch = RS_BOOL; return 68;}
break;
case 26:
if (cur_chr == 'S') {*rlt_sch = RS_STR; return 15;}
break;
case 27:
if (cur_chr == 'U') {*rlt_sch = RS_STR; return 15;}
break;
case 28:
if (cur_chr == 'Z') {*rlt_sch = RS_TIMESTAMP; return 94;}
if (cur_chr == '\t' ||
cur_chr == ' ') {*rlt_sch = RS_STR; return 28;}
break;
case 29:
if (cur_chr == 'a') {*rlt_sch = RS_STR; return 36;}
break;
case 30:
if (cur_chr == 'a') {*rlt_sch = RS_STR; return 38;}
break;
case 31:
if (cur_chr == 'e') {*rlt_sch = RS_BOOL; return 68;}
break;
case 32:
if (cur_chr == 'f') {*rlt_sch = RS_BOOL; return 68;}
break;
case 33:
if (cur_chr == 'f') {*rlt_sch = RS_STR; return 32;}
if (cur_chr == 'n') {*rlt_sch = RS_BOOL; return 68;}
break;
case 34:
if (cur_chr == 'f') {*rlt_sch = RS_FLOAT; return 88;}
break;
case 35:
if (cur_chr == 'l') {*rlt_sch = RS_NULL; return 67;}
break;
case 36:
if (cur_chr == 'l') {*rlt_sch = RS_STR; return 42;}
break;
case 37:
if (cur_chr == 'l') {*rlt_sch = RS_STR; return 35;}
break;
case 38:
if (cur_chr == 'n') {*rlt_sch = RS_FLOAT; return 88;}
break;
case 39:
if (cur_chr == 'n') {*rlt_sch = RS_STR; return 34;}
break;
case 40:
if (cur_chr == 'r') {*rlt_sch = RS_STR; return 43;}
break;
case 41:
if (cur_chr == 's') {*rlt_sch = RS_BOOL; return 68;}
break;
case 42:
if (cur_chr == 's') {*rlt_sch = RS_STR; return 31;}
break;
case 43:
if (cur_chr == 'u') {*rlt_sch = RS_STR; return 31;}
break;
case 44:
if (cur_chr == '\t' ||
cur_chr == ' ') {*rlt_sch = RS_STR; return 47;}
if (cur_chr == 'T' ||
cur_chr == 't') {*rlt_sch = RS_STR; return 55;}
break;
case 45:
if (cur_chr == '\t' ||
cur_chr == ' ') {*rlt_sch = RS_STR; return 47;}
if (cur_chr == 'T' ||
cur_chr == 't') {*rlt_sch = RS_STR; return 55;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 44;}
break;
case 46:
if (cur_chr == '\t' ||
cur_chr == ' ') {*rlt_sch = RS_STR; return 47;}
if (cur_chr == 'T' ||
cur_chr == 't') {*rlt_sch = RS_STR; return 55;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_TIMESTAMP; return 99;}
break;
case 47:
if (cur_chr == '\t' ||
cur_chr == ' ') {*rlt_sch = RS_STR; return 47;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 11;}
break;
case 48:
if (cur_chr == '+' ||
cur_chr == '-') {*rlt_sch = RS_STR; return 52;}
break;
case 49:
if (cur_chr == '0' ||
cur_chr == '1' ||
cur_chr == '_') {*rlt_sch = RS_INT; return 86;}
break;
case 50:
if (('6' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 8;}
if (('0' <= cur_chr && cur_chr <= '5')) {*rlt_sch = RS_STR; return 9;}
break;
case 51:
if (('6' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_INT; return 84;}
if (('0' <= cur_chr && cur_chr <= '5')) {*rlt_sch = RS_INT; return 85;}
break;
case 52:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_FLOAT; return 92;}
break;
case 53:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 2;}
break;
case 54:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 45;}
break;
case 55:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 11;}
break;
case 56:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_TIMESTAMP; return 95;}
break;
case 57:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_TIMESTAMP; return 94;}
break;
case 58:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_TIMESTAMP; return 98;}
break;
case 59:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_TIMESTAMP; return 97;}
break;
case 60:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 46;}
break;
case 61:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 64;}
break;
case 62:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 56;}
break;
case 63:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 57;}
break;
case 64:
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_STR; return 12;}
break;
case 65:
if (('0' <= cur_chr && cur_chr <= '9') ||
('A' <= cur_chr && cur_chr <= 'F') ||
cur_chr == '_' ||
('a' <= cur_chr && cur_chr <= 'f')) {*rlt_sch = RS_INT; return 87;}
break;
case 66:
abort();
break;
case 67:
*rlt_sch = RS_NULL;
break;
case 68:
*rlt_sch = RS_BOOL;
break;
case 69:
*rlt_sch = RS_BOOL;
if (cur_chr == 'E') {*rlt_sch = RS_STR; return 25;}
if (cur_chr == 'e') {*rlt_sch = RS_STR; return 41;}
break;
case 70:
*rlt_sch = RS_BOOL;
if (cur_chr == 'U') {*rlt_sch = RS_STR; return 21;}
if (cur_chr == 'u') {*rlt_sch = RS_STR; return 37;}
if (cur_chr == 'O' ||
cur_chr == 'o') {*rlt_sch = RS_BOOL; return 68;}
break;
case 71:
*rlt_sch = RS_BOOL;
if (cur_chr == 'e') {*rlt_sch = RS_STR; return 41;}
break;
case 72:
*rlt_sch = RS_BOOL;
if (cur_chr == 'o') {*rlt_sch = RS_BOOL; return 68;}
if (cur_chr == 'u') {*rlt_sch = RS_STR; return 37;}
break;
case 73:
*rlt_sch = RS_INT;
if (cur_chr == '-') {*rlt_sch = RS_STR; return 53;}
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (cur_chr == '8' ||
cur_chr == '9') {*rlt_sch = RS_STR; return 6;}
if (('0' <= cur_chr && cur_chr <= '7') ||
cur_chr == '_') {*rlt_sch = RS_INT; return 79;}
break;
case 74:
*rlt_sch = RS_INT;
if (cur_chr == '-') {*rlt_sch = RS_STR; return 53;}
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 51;}
if (('0' <= cur_chr && cur_chr <= '9') ||
cur_chr == '_') {*rlt_sch = RS_INT; return 83;}
break;
case 75:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (cur_chr == '_') {*rlt_sch = RS_INT; return 79;}
if (cur_chr == 'b') {*rlt_sch = RS_STR; return 49;}
if (cur_chr == 'x') {*rlt_sch = RS_STR; return 65;}
if (cur_chr == '8' ||
cur_chr == '9') {*rlt_sch = RS_STR; return 5;}
if (('0' <= cur_chr && cur_chr <= '7')) {*rlt_sch = RS_INT; return 77;}
break;
case 76:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (cur_chr == '_') {*rlt_sch = RS_INT; return 79;}
if (cur_chr == '8' ||
cur_chr == '9') {*rlt_sch = RS_STR; return 1;}
if (('0' <= cur_chr && cur_chr <= '7')) {*rlt_sch = RS_INT; return 73;}
break;
case 77:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (cur_chr == '_') {*rlt_sch = RS_INT; return 79;}
if (cur_chr == '8' ||
cur_chr == '9') {*rlt_sch = RS_STR; return 4;}
if (('0' <= cur_chr && cur_chr <= '7')) {*rlt_sch = RS_INT; return 76;}
break;
case 78:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (cur_chr == 'b') {*rlt_sch = RS_STR; return 49;}
if (cur_chr == 'x') {*rlt_sch = RS_STR; return 65;}
if (cur_chr == '8' ||
cur_chr == '9') {*rlt_sch = RS_STR; return 6;}
if (('0' <= cur_chr && cur_chr <= '7') ||
cur_chr == '_') {*rlt_sch = RS_INT; return 79;}
break;
case 79:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 50;}
if (cur_chr == '8' ||
cur_chr == '9') {*rlt_sch = RS_STR; return 6;}
if (('0' <= cur_chr && cur_chr <= '7') ||
cur_chr == '_') {*rlt_sch = RS_INT; return 79;}
break;
case 80:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 51;}
if (cur_chr == '_') {*rlt_sch = RS_INT; return 83;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_INT; return 74;}
break;
case 81:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 51;}
if (cur_chr == '_') {*rlt_sch = RS_INT; return 83;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_INT; return 80;}
break;
case 82:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 51;}
if (cur_chr == '_') {*rlt_sch = RS_INT; return 83;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_INT; return 81;}
break;
case 83:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 91;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 51;}
if (('0' <= cur_chr && cur_chr <= '9') ||
cur_chr == '_') {*rlt_sch = RS_INT; return 83;}
break;
case 84:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 93;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 51;}
break;
case 85:
*rlt_sch = RS_INT;
if (cur_chr == '.') {*rlt_sch = RS_FLOAT; return 93;}
if (cur_chr == ':') {*rlt_sch = RS_STR; return 51;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_INT; return 84;}
break;
case 86:
*rlt_sch = RS_INT;
if (cur_chr == '0' ||
cur_chr == '1' ||
cur_chr == '_') {*rlt_sch = RS_INT; return 86;}
break;
case 87:
*rlt_sch = RS_INT;
if (('0' <= cur_chr && cur_chr <= '9') ||
('A' <= cur_chr && cur_chr <= 'F') ||
cur_chr == '_' ||
('a' <= cur_chr && cur_chr <= 'f')) {*rlt_sch = RS_INT; return 87;}
break;
case 88:
*rlt_sch = RS_FLOAT;
break;
case 89:
*rlt_sch = RS_FLOAT;
if (cur_chr == 'I') {*rlt_sch = RS_STR; return 23;}
if (cur_chr == 'N') {*rlt_sch = RS_STR; return 14;}
if (cur_chr == 'i') {*rlt_sch = RS_STR; return 39;}
if (cur_chr == 'n') {*rlt_sch = RS_STR; return 30;}
if (cur_chr == 'E' ||
cur_chr == 'e') {*rlt_sch = RS_STR; return 48;}
if (cur_chr == '.' ||
('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_FLOAT; return 91;}
break;
case 90:
*rlt_sch = RS_FLOAT;
if (cur_chr == 'I') {*rlt_sch = RS_STR; return 23;}
if (cur_chr == 'i') {*rlt_sch = RS_STR; return 39;}
if (cur_chr == 'E' ||
cur_chr == 'e') {*rlt_sch = RS_STR; return 48;}
if (cur_chr == '.' ||
('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_FLOAT; return 91;}
break;
case 91:
*rlt_sch = RS_FLOAT;
if (cur_chr == 'E' ||
cur_chr == 'e') {*rlt_sch = RS_STR; return 48;}
if (cur_chr == '.' ||
('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_FLOAT; return 91;}
break;
case 92:
*rlt_sch = RS_FLOAT;
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_FLOAT; return 92;}
break;
case 93:
*rlt_sch = RS_FLOAT;
if (('0' <= cur_chr && cur_chr <= '9') ||
cur_chr == '_') {*rlt_sch = RS_FLOAT; return 93;}
break;
case 94:
*rlt_sch = RS_TIMESTAMP;
break;
case 95:
*rlt_sch = RS_TIMESTAMP;
if (cur_chr == '.') {*rlt_sch = RS_STR; return 58;}
if (cur_chr == 'Z') {*rlt_sch = RS_TIMESTAMP; return 94;}
if (cur_chr == '\t' ||
cur_chr == ' ') {*rlt_sch = RS_STR; return 28;}
if (cur_chr == '+' ||
cur_chr == '-') {*rlt_sch = RS_STR; return 59;}
break;
case 96:
*rlt_sch = RS_TIMESTAMP;
if (cur_chr == ':') {*rlt_sch = RS_STR; return 63;}
break;
case 97:
*rlt_sch = RS_TIMESTAMP;
if (cur_chr == ':') {*rlt_sch = RS_STR; return 63;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_TIMESTAMP; return 96;}
break;
case 98:
*rlt_sch = RS_TIMESTAMP;
if (cur_chr == 'Z') {*rlt_sch = RS_TIMESTAMP; return 94;}
if (cur_chr == '\t' ||
cur_chr == ' ') {*rlt_sch = RS_STR; return 28;}
if (cur_chr == '+' ||
cur_chr == '-') {*rlt_sch = RS_STR; return 59;}
if (('0' <= cur_chr && cur_chr <= '9')) {*rlt_sch = RS_TIMESTAMP; return 98;}
break;
case 99:
*rlt_sch = RS_TIMESTAMP;
if (cur_chr == '\t' ||
cur_chr == ' ') {*rlt_sch = RS_STR; return 47;}
if (cur_chr == 'T' ||
cur_chr == 't') {*rlt_sch = RS_STR; return 55;}
break;
default:
*rlt_sch = RS_STR;
return SCH_STT_FRZ;
}
if (cur_chr != '\r' && cur_chr != '\n' && cur_chr != ' ' && cur_chr != 0) *rlt_sch = RS_STR;
return SCH_STT_FRZ;
}