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156 lines
5.0 KiB
C++
156 lines
5.0 KiB
C++
//
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// DateTimeFormatter.cpp
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//
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// Library: Foundation
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// Package: DateTime
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// Module: DateTimeFormatter
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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#include "Poco/DateTimeFormatter.h"
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#include "Poco/DateTimeFormat.h"
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#include "Poco/Timestamp.h"
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#include "Poco/NumberFormatter.h"
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namespace Poco {
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void DateTimeFormatter::append(std::string& str, const LocalDateTime& dateTime, const std::string& fmt)
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{
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DateTimeFormatter::append(str, dateTime._dateTime, fmt, dateTime.tzd());
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}
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void DateTimeFormatter::append(std::string& str, const DateTime& dateTime, const std::string& fmt, int timeZoneDifferential)
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{
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std::string::const_iterator it = fmt.begin();
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std::string::const_iterator end = fmt.end();
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while (it != end)
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{
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if (*it == '%')
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{
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if (++it != end)
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{
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switch (*it)
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{
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case 'w': str.append(DateTimeFormat::WEEKDAY_NAMES[dateTime.dayOfWeek()], 0, 3); break;
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case 'W': str.append(DateTimeFormat::WEEKDAY_NAMES[dateTime.dayOfWeek()]); break;
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case 'b': str.append(DateTimeFormat::MONTH_NAMES[dateTime.month() - 1], 0, 3); break;
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case 'B': str.append(DateTimeFormat::MONTH_NAMES[dateTime.month() - 1]); break;
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case 'd': NumberFormatter::append0(str, dateTime.day(), 2); break;
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case 'e': NumberFormatter::append(str, dateTime.day()); break;
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case 'f': NumberFormatter::append(str, dateTime.day(), 2); break;
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case 'm': NumberFormatter::append0(str, dateTime.month(), 2); break;
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case 'n': NumberFormatter::append(str, dateTime.month()); break;
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case 'o': NumberFormatter::append(str, dateTime.month(), 2); break;
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case 'y': NumberFormatter::append0(str, dateTime.year() % 100, 2); break;
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case 'Y': NumberFormatter::append0(str, dateTime.year(), 4); break;
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case 'H': NumberFormatter::append0(str, dateTime.hour(), 2); break;
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case 'h': NumberFormatter::append0(str, dateTime.hourAMPM(), 2); break;
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case 'a': str.append(dateTime.isAM() ? "am" : "pm"); break;
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case 'A': str.append(dateTime.isAM() ? "AM" : "PM"); break;
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case 'M': NumberFormatter::append0(str, dateTime.minute(), 2); break;
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case 'S': NumberFormatter::append0(str, dateTime.second(), 2); break;
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case 's': NumberFormatter::append0(str, dateTime.second(), 2);
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str += '.';
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NumberFormatter::append0(str, dateTime.millisecond()*1000 + dateTime.microsecond(), 6);
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break;
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case 'i': NumberFormatter::append0(str, dateTime.millisecond(), 3); break;
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case 'c': NumberFormatter::append(str, dateTime.millisecond()/100); break;
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case 'F': NumberFormatter::append0(str, dateTime.millisecond()*1000 + dateTime.microsecond(), 6); break;
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case 'z': tzdISO(str, timeZoneDifferential); break;
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case 'Z': tzdRFC(str, timeZoneDifferential); break;
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default: str += *it;
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}
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++it;
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}
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}
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else str += *it++;
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}
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}
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void DateTimeFormatter::append(std::string& str, const Timespan& timespan, const std::string& fmt)
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{
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std::string::const_iterator it = fmt.begin();
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std::string::const_iterator end = fmt.end();
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while (it != end)
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{
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if (*it == '%')
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{
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if (++it != end)
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{
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switch (*it)
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{
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case 'd': NumberFormatter::append(str, timespan.days()); break;
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case 'H': NumberFormatter::append0(str, timespan.hours(), 2); break;
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case 'h': NumberFormatter::append(str, timespan.totalHours()); break;
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case 'M': NumberFormatter::append0(str, timespan.minutes(), 2); break;
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case 'm': NumberFormatter::append(str, timespan.totalMinutes()); break;
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case 'S': NumberFormatter::append0(str, timespan.seconds(), 2); break;
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case 's': NumberFormatter::append(str, timespan.totalSeconds()); break;
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case 'i': NumberFormatter::append0(str, timespan.milliseconds(), 3); break;
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case 'c': NumberFormatter::append(str, timespan.milliseconds()/100); break;
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case 'F': NumberFormatter::append0(str, timespan.milliseconds()*1000 + timespan.microseconds(), 6); break;
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default: str += *it;
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}
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++it;
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}
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}
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else str += *it++;
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}
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}
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void DateTimeFormatter::tzdISO(std::string& str, int timeZoneDifferential)
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{
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if (timeZoneDifferential != UTC)
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{
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if (timeZoneDifferential >= 0)
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{
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str += '+';
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NumberFormatter::append0(str, timeZoneDifferential/3600, 2);
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str += ':';
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NumberFormatter::append0(str, (timeZoneDifferential%3600)/60, 2);
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}
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else
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{
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str += '-';
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NumberFormatter::append0(str, -timeZoneDifferential/3600, 2);
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str += ':';
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NumberFormatter::append0(str, (-timeZoneDifferential%3600)/60, 2);
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}
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}
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else str += 'Z';
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}
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void DateTimeFormatter::tzdRFC(std::string& str, int timeZoneDifferential)
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{
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if (timeZoneDifferential != UTC)
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{
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if (timeZoneDifferential >= 0)
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{
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str += '+';
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NumberFormatter::append0(str, timeZoneDifferential/3600, 2);
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NumberFormatter::append0(str, (timeZoneDifferential%3600)/60, 2);
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}
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else
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{
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str += '-';
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NumberFormatter::append0(str, -timeZoneDifferential/3600, 2);
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NumberFormatter::append0(str, (-timeZoneDifferential%3600)/60, 2);
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}
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}
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else str += "GMT";
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}
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} // namespace Poco
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