Ejemplos de StringUtils_isDigit en C++ (Cpp)

Ejemplo n.º 1

Archivo: string_utilities.c Proyecto: sagok/SmI_IEC104

int
StringUtils_digitToInt(char digit)
{
	if (StringUtils_isDigit(digit)) {
		return (digit - 48);
	}
	else
		return -1;
}

Ejemplo n.º 2

Archivo: conversions.c Proyecto: brennane/gridpot

uint64_t
Conversions_generalizedTimeToMsTime(const char* gtString)
{
    int gtStringLen = strlen(gtString);

    if (gtStringLen < 14) return -1;

    int year = StringUtils_digitsToInt(gtString, 4);

    if (year < 0) return -1;

    int month = StringUtils_digitsToInt(gtString + 4, 2);

    if (month < 0) return -1;

    int day = StringUtils_digitsToInt(gtString + 6, 2);

    if (day < 0) return -1;

    int hour = StringUtils_digitsToInt(gtString + 8, 2);

    if (hour < 0) return -1;

    int min = StringUtils_digitsToInt(gtString + 10, 2);

    if (min < 0) return -1;

    int seconds = StringUtils_digitsToInt(gtString + 12, 2);
    if (seconds < 0) return -1;

    struct tm tmTime;
    tmTime.tm_year = year - 1900;
    tmTime.tm_mon = month - 1;
    tmTime.tm_mday = day;
    tmTime.tm_hour = hour;
    tmTime.tm_min = min;
    tmTime.tm_sec = seconds;

    int msOffset = 0;

    const char* parsePos = gtString + 14;

    /* parse optional fraction of second field */
    if (*(parsePos) == '.') {
        parsePos++;
        const char* fractionOfSecondStart = parsePos;

        int fractionOfSecondLen = 0;

        int secondValue = 1;

        while (StringUtils_isDigit(fractionOfSecondStart[fractionOfSecondLen])) {
            fractionOfSecondLen++;

            secondValue = secondValue * 10;
        }

        if (fractionOfSecondLen > 0) {
            int fractionOfSecond = StringUtils_digitsToInt(fractionOfSecondStart, fractionOfSecondLen);
            msOffset = (fractionOfSecond * 1000) / secondValue;
        }

        parsePos += fractionOfSecondLen;
    }


    time_t t = 0;

    switch (*parsePos) {
    case 0: /* treat time as localtime */
        t = mktime(&tmTime);
        break;
    case 'Z': /* treat time as GMT(UTC) time */
        t = timegm(&tmTime);
        break;
    case '+': /* subtract offset */
        {
            t = timegm(&tmTime);
            int secondsOffset = getSecondsOffset(parsePos + 1);
            t = t - secondsOffset;
        }
        break;
    case '-': /* add offset */
        {
            t = timegm(&tmTime);
            int secondsOffset = getSecondsOffset(parsePos + 1);
            t = t + secondsOffset;
        }
        break;
    default:
        return -1;
    }

    uint64_t msTime = t * 1000;

    msTime += msOffset;

    return msTime;
}