1 files changed, 12 insertions, 3 deletions

diff --git a/library/backend/timeconversion.cpp b/library/backend/timeconversion.cpp
index 3c25922..df7b0d5 100644
--- a/library/backend/timeconversion.cpp
+++ b/library/backend/timeconversion.cpp
@@ -1,164 +1,173 @@
 /**********************************************************************

 ** Copyright (C) 2000 Trolltech AS.  All rights reserved.

 **

 ** This file is part of Qtopia Environment.

 **

 ** This file may be distributed and/or modified under the terms of the

 ** GNU General Public License version 2 as published by the Free Software

 ** Foundation and appearing in the file LICENSE.GPL included in the

 ** packaging of this file.

 **

 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE

 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

 **

 ** See http://www.trolltech.com/gpl/ for GPL licensing information.

 **

 ** Contact info@trolltech.com if any conditions of this licensing are

 ** not clear to you.

 **

 **********************************************************************/

 

 #include <qglobal.h>

 #include <qtopia/timeconversion.h>

 #include <qregexp.h>

 #include <stdlib.h>

 

 QString TimeConversion::toString( const QDate &d )

 {

-    QString r = QString::number( d.day() ) + "." +

+	QString empty;

+	if ( d.isNull() )

+		return empty;

+

+	QString r = QString::number( d.day() ) + "." +

 		QString::number( d.month() ) + "." +

 		QString::number( d.year() );

-    //qDebug("TimeConversion::toString %s", r.latin1());

-    return r;

+	//qDebug("TimeConversion::toString %s", r.latin1());

+

+	return r;

 }

 

 QDate TimeConversion::fromString( const QString &datestr )

 {

+    QDate empty;

+    if ( datestr.isEmpty() )

+	    return empty;

+

     int monthPos = datestr.find('.');

     int yearPos = datestr.find('.', monthPos+1 );

     if ( monthPos == -1 || yearPos == -1 ) {

 	qDebug("fromString didn't find . in str = %s; mpos = %d ypos = %d", datestr.latin1(), monthPos, yearPos );

 	return QDate();

     }

     int d = datestr.left( monthPos ).toInt();

     int m = datestr.mid( monthPos+1, yearPos - monthPos - 1 ).toInt();

     int y = datestr.mid( yearPos+1 ).toInt();

     QDate date ( y,m,d );

     //qDebug("TimeConversion::fromString ymd = %s => %d %d %d; mpos = %d ypos = %d", datestr.latin1(), y, m, d, monthPos, yearPos);

     return date;

 }

 

 time_t TimeConversion::toUTC( const QDateTime& dt )

 {

     time_t tmp;

     struct tm *lt;

 

 #if defined(_OS_WIN32) || defined (Q_OS_WIN32) || defined (Q_OS_WIN64)

     _tzset();

 #else

     tzset();

 #endif

 

     // get a tm structure from the system to get the correct tz_name

     tmp = time( 0 );

     lt = localtime( &tmp );

 

     lt->tm_sec = dt.time().second();

     lt->tm_min = dt.time().minute();

     lt->tm_hour = dt.time().hour();

     lt->tm_mday = dt.date().day();

     lt->tm_mon = dt.date().month() - 1; // 0-11 instead of 1-12

     lt->tm_year = dt.date().year() - 1900; // year - 1900

     //lt->tm_wday = dt.date().dayOfWeek(); ignored anyway

     //lt->tm_yday = dt.date().dayOfYear(); ignored anyway

     lt->tm_wday = -1;

     lt->tm_yday = -1;

     // tm_isdst negative -> mktime will find out about DST

     lt->tm_isdst = -1;

     // keep tm_zone and tm_gmtoff

     tmp = mktime( lt );

     return tmp;

 }

 

 QDateTime TimeConversion::fromUTC( time_t time )

 {

     struct tm *lt;

 

 #if defined(_OS_WIN32) || defined (Q_OS_WIN32) || defined (Q_OS_WIN64)

     _tzset();

 #else

     tzset();

 #endif

     lt = localtime( &time );

     QDateTime dt;

     dt.setDate( QDate( lt->tm_year + 1900, lt->tm_mon + 1, lt->tm_mday ) );

     dt.setTime( QTime( lt->tm_hour, lt->tm_min, lt->tm_sec ) );

     return dt;

 }

 

 

 int TimeConversion::secsTo( const QDateTime &from, const QDateTime &to )

 {

     return toUTC( to ) - toUTC( from );

 }

 

 QCString TimeConversion::toISO8601( const QDate &d )

 {

     time_t tmp = toUTC( d );

     struct tm *utc = gmtime( &tmp );

 

     QCString str;

     str.sprintf("%04d%02d%02d", (utc->tm_year + 1900), utc->tm_mon+1, utc->tm_mday );

     return str;

 }

 

 QCString TimeConversion::toISO8601( const QDateTime &dt )

 {

     time_t tmp = toUTC( dt );

     struct tm *utc = gmtime( &tmp );

 

     QCString str;

     str.sprintf("%04d%02d%02dT%02d%02d%02dZ",

 		(utc->tm_year + 1900), utc->tm_mon+1, utc->tm_mday,

 		utc->tm_hour, utc->tm_min, utc->tm_sec );

     return str;

 }

 

 QDateTime TimeConversion::fromISO8601( const QCString &s )

 {

 

 #if defined(_OS_WIN32) || defined (Q_OS_WIN32) || defined (Q_OS_WIN64)

     _tzset();

 #else

     tzset();

 #endif

 

     struct tm thetime;

 

     QCString str = s.copy();

     str.replace(QRegExp("-"), "" );

     str.replace(QRegExp(":"), "" );

     str.stripWhiteSpace();

     str = str.lower();

 

     int i = str.find( "t" );

     QCString date;

     QCString timestr;

     if ( i != -1 ) {

 	date = str.left( i );

 	timestr = str.mid( i+1 );

     } else {

 	date = str;

     }

 

 //     qDebug("--- parsing ISO time---");

     memset( &thetime, 0, sizeof(tm) );

     thetime.tm_year = 100;

     thetime.tm_mon = 0;

     thetime.tm_mday = 0;

     thetime.tm_hour = 0;

     thetime.tm_min = 0;

     thetime.tm_sec = 0;

 

 //     qDebug("date = %s", date.data() );