mirror of https://github.com/tfussell/xlnt
129 lines
4.6 KiB
C++
129 lines
4.6 KiB
C++
// Copyright (c) 2014-2016 Thomas Fussell
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, WRISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE
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//
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// @license: http://www.opensource.org/licenses/mit-license.php
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// @author: see AUTHORS file
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#include <cmath>
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#include <ctime>
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#include <xlnt/utils/date.hpp>
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#include <xlnt/utils/datetime.hpp>
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#include <xlnt/utils/time.hpp>
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namespace {
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std::string fill(const std::string &string, std::size_t length = 2)
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{
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if (string.size() >= length)
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{
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return string;
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}
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return std::string(length - string.size(), '0') + string;
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}
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} // namespace
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namespace xlnt {
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datetime datetime::from_number(long double raw_time, calendar base_date)
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{
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auto date_part = date::from_number(static_cast<int>(raw_time), base_date);
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auto time_part = time::from_number(raw_time);
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return datetime(date_part.year, date_part.month, date_part.day, time_part.hour, time_part.minute, time_part.second,
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time_part.microsecond);
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}
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bool datetime::operator==(const datetime &comparand) const
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{
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return year == comparand.year && month == comparand.month && day == comparand.day && hour == comparand.hour
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&& minute == comparand.minute && second == comparand.second && microsecond == comparand.microsecond;
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}
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long double datetime::to_number(calendar base_date) const
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{
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return date(year, month, day).to_number(base_date) + time(hour, minute, second, microsecond).to_number();
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}
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std::string datetime::to_string() const
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{
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return std::to_string(year) + "/" + std::to_string(month) + "/" + std::to_string(day) + " " + std::to_string(hour)
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+ ":" + std::to_string(minute) + ":" + std::to_string(second) + ":" + std::to_string(microsecond);
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}
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datetime datetime::now()
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{
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return datetime(date::today(), time::now());
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}
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datetime datetime::today()
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{
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return datetime(date::today(), time(0, 0, 0, 0));
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}
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datetime::datetime(int year_, int month_, int day_, int hour_, int minute_, int second_, int microsecond_)
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: year(year_), month(month_), day(day_), hour(hour_), minute(minute_), second(second_), microsecond(microsecond_)
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{
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}
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datetime::datetime(const date &d, const time &t)
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: year(d.year),
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month(d.month),
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day(d.day),
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hour(t.hour),
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minute(t.minute),
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second(t.second),
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microsecond(t.microsecond)
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{
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}
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int datetime::weekday() const
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{
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return date(year, month, day).weekday();
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}
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datetime datetime::from_iso_string(const std::string &string)
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{
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xlnt::datetime result(1900, 1, 1);
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auto separator_index = string.find('-');
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result.year = std::stoi(string.substr(0, separator_index));
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result.month = std::stoi(string.substr(separator_index + 1, string.find('-', separator_index + 1)));
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separator_index = string.find('-', separator_index + 1);
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result.day = std::stoi(string.substr(separator_index + 1, string.find('T', separator_index + 1)));
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separator_index = string.find('T', separator_index + 1);
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result.hour = std::stoi(string.substr(separator_index + 1, string.find(':', separator_index + 1)));
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separator_index = string.find(':', separator_index + 1);
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result.minute = std::stoi(string.substr(separator_index + 1, string.find(':', separator_index + 1)));
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separator_index = string.find(':', separator_index + 1);
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result.second = std::stoi(string.substr(separator_index + 1, string.find('Z', separator_index + 1)));
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return result;
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}
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std::string datetime::to_iso_string() const
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{
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return std::to_string(year) + "-" + fill(std::to_string(month)) + "-" + fill(std::to_string(day)) + "T"
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+ fill(std::to_string(hour)) + ":" + fill(std::to_string(minute)) + ":" + fill(std::to_string(second)) + "Z";
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}
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} // namespace xlnt
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