/*
 * Copyright 2015 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "SkString.h"
#include "SkTime.h"

void SkTime::DateTime::toISO8601(SkString* dst) const {
    if (dst) {
        int timeZoneMinutes = SkToInt(fTimeZoneMinutes);
        char timezoneSign = timeZoneMinutes >= 0 ? '+' : '-';
        int timeZoneHours = SkTAbs(timeZoneMinutes) / 60;
        timeZoneMinutes = SkTAbs(timeZoneMinutes) % 60;
        dst->printf("%04u-%02u-%02uT%02u:%02u:%02u%c%02d:%02d",
                    static_cast<unsigned>(fYear), static_cast<unsigned>(fMonth),
                    static_cast<unsigned>(fDay), static_cast<unsigned>(fHour),
                    static_cast<unsigned>(fMinute),
                    static_cast<unsigned>(fSecond), timezoneSign, timeZoneHours,
                    timeZoneMinutes);
    }
}
