Function fxStringToNumber

xs/sources/xsdtoa.c:6651–6712

}

txNumber fxStringToNumber(void* the, txString theString, txFlag whole)
{
	txNumber result = whole ? 0 : NAN;
	txString p = fxSkipSpaces(theString), q;
	char c = *p;
	if (c) {
		txU4 d = *(p + 1);
		if (whole && (c == '0') && ((d == 'B') || (d == 'b') || (d == 'O') || (d == 'o') || (d == 'X') || (d == 'x'))) {
			p += 2;
            q = p;
			if ((d == 'B') || (d == 'b')) {
				while ((c = *p)) {
					if (('0' <= c) && (c <= '1'))
						result = (result * 2) + (c - '0');
					else
						break;
					p++;
				}
			}
			else if ((d == 'O') || (d == 'o')) {
				while ((c = *p)) {
					if (('0' <= c) && (c <= '7'))
						result = (result * 8) + (c - '0');
					else
						break;
					p++;
				}
			}
			else if ((d == 'X') || (d == 'x')) {
				while ((c = *p)) {
					if (('0' <= c) && (c <= '9'))
						result = (result * 16) + (c - '0');
					else if (('a' <= c) && (c <= 'f'))
						result = (result * 16) + (10 + c - 'a');
					else if (('A' <= c) && (c <= 'F'))
						result = (result * 16) + (10 + c - 'A');
					else
						break;
					p++;
				}
			}
			if (p == q)
				result = NAN;
			else
            q = p;
		}
		else {
			ThInfo DTOA;
			fxDTOASetup(the, &DTOA);
			result = strtod2(p, &q, &DTOA);
			fxDTOACleanup(the, &DTOA);
			if ((p == q) && !whole)
				result = NAN;
		}
		if (whole) {
			p = fxSkipSpaces(q);
			if (*p)
				result = NAN;