src/log4qt/helpers/datetime.h

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/******************************************************************************
 *
 * package:     Log4Qt
 * file:        datetime.h
 * created:     September 2007
 * author:      Martin Heinrich
 *
 * 
 * changes:     Sep 2008, Martin Heinrich:
 *              - Resolved compilation problem with Microsoft Visual Studio 2005
 *
 * 
 * Copyright 2007 - 2008 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.
 * 
 ******************************************************************************/

#ifndef LOG4QT_HELPERS_DATETIME_H
#define LOG4QT_HELPERS_DATETIME_H


/******************************************************************************
 * Dependencies
 ******************************************************************************/

#include <QtCore/QDateTime>


/******************************************************************************
 * Declarations
 ******************************************************************************/


namespace Log4Qt
{
    
    class DateTime : public QDateTime
    {
    public: 
        DateTime();
        
        // DateTime(const DateTime &rOther); // Use compiler default
        
        DateTime(const QDateTime &rOther);
        
        DateTime(const QDate &rDate, 
                 const QTime &rTime, 
                 Qt::TimeSpec timeSpec = Qt::LocalTime);
        
        // virtual ~DateTime(); // Use compiler default
        
        DateTime &operator=(const DateTime &rOther);
      
        qint64 toMilliSeconds() const;
        
        QString toString(const QString &rFormat) const;
    
        static DateTime currentDateTime();
        
        static DateTime fromMilliSeconds(qint64 milliSeconds);
    
    private:
        QString formatDateTime(const QString &rFormat) const;
        QString formatToken(const QString &rToken, bool am_pm) const;
        static bool hasAMPM(const QString &rFormat);
    };
    
    
    /**************************************************************************
     * Operators, Helper
     **************************************************************************/
    
    
    /**************************************************************************
     * Inline
     **************************************************************************/
    
    inline DateTime::DateTime() : QDateTime()
    {}
    
    inline DateTime::DateTime(const QDateTime &rOther) : QDateTime(rOther)
    {}
    
    inline DateTime::DateTime(const QDate &rDate, 
                              const QTime &rTime, 
                              Qt::TimeSpec timeSpec) :
        QDateTime(rDate, rTime, timeSpec)
    {}
    
    inline DateTime &DateTime::operator=(const DateTime &rOther)
    {   QDateTime::operator=(rOther); return *this; }
    
    inline qint64 DateTime::toMilliSeconds() const
    {   return (qint64)1000 * toTime_t() + time().msec();   }
    
    inline DateTime DateTime::currentDateTime()
    {   return DateTime(QDateTime::currentDateTime());    }
    
    inline DateTime DateTime::fromMilliSeconds(qint64 milliSeconds)
    {   return DateTime(QDateTime::fromTime_t(milliSeconds / 1000).addMSecs(milliSeconds % 1000));    }
    
    
} // namespace Log4Qt


Q_DECLARE_TYPEINFO(Log4Qt::DateTime, Q_MOVABLE_TYPE);


#endif // LOG4QT_HELPERS_DATETIME_H

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