/****************************************************************************** * * package: Log4Qt * file: datetime.cpp * created: September 2007 * author: Martin Heinrich * * * Copyright 2007 Martin Heinrich * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ******************************************************************************/ /****************************************************************************** * Dependencies ******************************************************************************/ #include "log4qt/helpers/datetime.h" #include #include "log4qt/helpers/initialisationhelper.h" namespace Log4Qt { /************************************************************************** *Declarations **************************************************************************/ /************************************************************************** * C helper functions **************************************************************************/ /************************************************************************** * Class implementation: DateTime **************************************************************************/ QString DateTime::toString(const QString &rFormat) const { QString format(rFormat); if (format.isEmpty()) return QString(); if (!isValid()) return QString(); if (format == QLatin1String("NONE")) return QString(); if (format == QLatin1String("RELATIVE")) return QString::number(toMilliSeconds() - InitialisationHelper::startTime()); if (format == QLatin1String("ISO8601")) format = QLatin1String("yyyy-MM-dd hh:mm:ss.zzz"); if (format == QLatin1String("ABSOLUTE")) format = QLatin1String("HH:mm:ss.zzz"); if (format == QLatin1String("DATE")) format = QLatin1String("dd MMM YYYY HH:mm:ss.zzzz"); return formatDateTime(format); } QString DateTime::formatDateTime(const QString &rFormat) const { if (rFormat.isEmpty()) return QString(); if (!isValid()) return QString(); const QLatin1Char null('0'); const QLatin1Char quote('\''); const QString tokens = QLatin1String("\'dMyhHmszAPapw"); const bool am_pm = hasAMPM(rFormat); QString result; QString token; QChar expected = null; QChar c; int i; for (i = 0; i < rFormat.length(); i++) { c = rFormat.at(i); // Handle literal text if (expected == quote) { if (c == quote) { Q_ASSERT_X(i > 0, "DateTime::toString()", "Found quote with status quote at i = 0"); if (i > 0 && rFormat.at(i - 1) == quote) // Second of two quotes result += quote; expected = null; } else // Next literal character result += c; } else if (c == expected) { // Extend token token += c; } else { // Close last token result += formatToken(token, am_pm); token.clear(); expected = null; // Test for valid character if (tokens.indexOf(c) >= 0) { if (c == QLatin1Char('a')) expected = QLatin1Char('p'); else if (c == QLatin1Char('A')) expected = QLatin1Char('P'); else if (c.toLower() == QLatin1Char('p')) expected = null; else expected = c; if (c != quote) token += c; } else result += c; } } result += formatToken(token, am_pm); return result; } QString DateTime::formatToken(const QString &rToken, bool am_pm) const { if (rToken.isEmpty()) return QString(); const QChar c = rToken.at(0); QString result; int used = 0; // Qt data format strings if (rToken.startsWith(QLatin1String("dddd"))) { result = QDate::longDayName(date().dayOfWeek()); used = 4; } else if (rToken.startsWith(QLatin1String("ddd"))) { result = QDate::shortDayName(date().dayOfWeek()); used = 3; } else if (rToken.startsWith(QLatin1String("dd"))) { result = QString::number(date().day()).rightJustified(2, QLatin1Char('0'), true); used = 2; } else if (c == QLatin1Char('d')) { result = QString::number(date().day()); used = 1; } else if (rToken.startsWith(QLatin1String("MMMM"))) { result = QDate::longMonthName(date().month()); used = 4; } else if (rToken.startsWith(QLatin1String("MMM"))) { result = QDate::shortMonthName(date().month()); used = 3; } else if (rToken.startsWith(QLatin1String("MM"))) { result = QString::number(date().month()).rightJustified(2, QLatin1Char('0'), true); used = 2; } else if (c == QLatin1Char('M')) { result = QString::number(date().month()); used = 1; } else if (rToken.startsWith(QLatin1String("yyyy"))) { result = QString::number(date().year()); used = 4; } else if (rToken.startsWith(QLatin1String("yy"))) { result = QString::number(date().year() % 100).rightJustified(2, QLatin1Char('0'), true); used = 2; } // Qt time format strings else if (rToken.startsWith(QLatin1String("hh")) || rToken.startsWith(QLatin1String("HH"))) { int hour = time().hour(); if (am_pm && c == QLatin1Char('h') && hour > 12) hour -= 12; result = QString::number(hour).rightJustified(2, QLatin1Char('0'), true); used = 2; } else if (c == QLatin1Char('h') || c == QLatin1Char('H')) { int hour = time().hour(); if (am_pm && c == QLatin1Char('h') && hour > 12) hour -= 12; result = QString::number(hour); used = 2; } else if (rToken.startsWith(QLatin1String("mm"))) { result = QString::number(time().minute()).rightJustified(2, QLatin1Char('0'), true); used = 2; } else if (c == (QLatin1Char('m'))) { result = QString::number(time().minute()); used = 1; } else if (rToken.startsWith(QLatin1String("ss"))) { result = QString::number(time().second()).rightJustified(2, QLatin1Char('0'), true); used = 2; } else if (c == QLatin1Char('s')) { result = QString::number(time().second()); used = 1; } else if (rToken.startsWith(QLatin1String("zzz"))) { result = QString::number(time().msec()).rightJustified(3, QLatin1Char('0'), true); used = 3; } else if (c == QLatin1Char('z')) { result = QString::number(time().msec()); used = 1; } else if (c.toLower() == QLatin1Char('a')) { bool is_lower = c == QLatin1Char('a'); if (time().hour() < 12) result = QLatin1String("AM"); else result = QLatin1String("PM"); if (is_lower) result = result.toLower(); if (rToken.size() > 1 && ((is_lower && rToken.at(1) == QLatin1Char('p')) || (!is_lower && rToken.at(1) == QLatin1Char('P'))) ) used = 2; else used = 1; } // Extension for week number else if (rToken.startsWith(QLatin1String("ww"))) { result = QString::number(date().weekNumber()).rightJustified(2, QLatin1Char('0'), true); used = 2; } else if (c == QLatin1Char('w')) { result = QString::number(date().weekNumber()); used = 1; } if (used) return result + formatToken(rToken.mid(used), am_pm); else return result; } bool DateTime::hasAMPM(const QString &rToken) { bool in_literal = false; QChar c; int i; for (i = 0; i < rToken.length(); i++) { c = rToken.at(i); if (c == QLatin1Char('\'')) in_literal = !in_literal; else if (!in_literal && c.toLower() == QLatin1Char('a')) return true; } return false; } /************************************************************************** * Implementation: Operators, Helper **************************************************************************/ } // namespace Log4Qt