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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtXmlPatterns module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://qt.nokia.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QStringList>
#include "qbuiltintypes_p.h"
#include "qitem_p.h"
#include "qpatternistlocale_p.h"
#include "qvalidationerror_p.h"
#include "qabstractdatetime_p.h"
QT_BEGIN_NAMESPACE
using namespace QPatternist;
AbstractDateTime::AbstractDateTime(const QDateTime &dateTime) : m_dateTime(dateTime)
{
Q_ASSERT(dateTime.isValid());
}
#define badData(msg) errorMessage = ValidationError::createError(msg); return QDateTime()
#define getCapt(sym) ((captTable.sym == -1) ? QString() : capts.at(captTable.sym))
#define getSafeCapt(sym) ((captTable.sym == -1) ? QString() : capts.value(captTable.sym))
QDateTime AbstractDateTime::create(AtomicValue::Ptr &errorMessage,
const QString &lexicalSource,
const CaptureTable &captTable)
{
QRegExp myExp(captTable.regExp);
if(!myExp.exactMatch(lexicalSource))
{
badData(QString());
}
const QStringList capts(myExp.capturedTexts());
const QString yearStr(getCapt(year));
if(yearStr.size() > 4 && yearStr.at(0) == QLatin1Char('0'))
{
badData(QtXmlPatterns::tr("Year %1 is invalid because it begins with %2.")
.arg(formatData(yearStr)).arg(formatData("0")));
}
/* If the strings are empty, load default values which are
* guranteed to pass the validness tests. */
const QString monthStr(getCapt(month));
const QString dayStr(getCapt(day));
YearProperty year = yearStr.isEmpty() ? DefaultYear : yearStr.toInt();
if(getCapt(yearSign) == QChar::fromLatin1('-'))
year = -year;
const MonthProperty month = monthStr.isEmpty() ? DefaultMonth : monthStr.toInt();
const MonthProperty day = dayStr.isEmpty() ? DefaultDay : dayStr.toInt();
if(!QDate::isValid(year, month, day))
{
/* Try to give an intelligent message. */
if(day > 31 || day < 1)
{
badData(QtXmlPatterns::tr("Day %1 is outside the range %2..%3.")
.arg(formatData(QString::number(day)))
.arg(formatData("01"))
.arg(formatData("31")));
}
else if(month > 12 || month < -12 || month == 0)
{
badData(QtXmlPatterns::tr("Month %1 is outside the range %2..%3.")
.arg(month)
.arg(formatData("01"))
.arg(formatData("12")));
}
else if(QDate::isValid(DefaultYear, month, day))
{
/* We can't use the badData() macro here because we need a different
* error code: FODT0001 instead of FORG0001. */
errorMessage = ValidationError::createError(QtXmlPatterns::tr(
"Overflow: Can't represent date %1.")
.arg(formatData(QLatin1String("%1-%2-%3"))
.arg(year).arg(month).arg(day)),
ReportContext::FODT0001);
return QDateTime();
}
else
{
badData(QtXmlPatterns::tr("Day %1 is invalid for month %2.")
.arg(formatData(QString::number(day)))
.arg(formatData(QString::number(month))));
}
}
/* Parse the zone offset. */
ZoneOffsetParseResult zoResult;
const ZOTotal offset = parseZoneOffset(zoResult, capts, captTable);
if(zoResult == Error)
{
errorMessage = ValidationError::createError();
/* We encountered an error, so stop processing. */
return QDateTime();
}
QDate date(year, month, day);
/* Only deal with time if time is needed. */
if(captTable.hour == -1)
{
QDateTime result(date);
setUtcOffset(result, zoResult, offset);
return result;
}
else
{
/* Now, it's time for the time-part.
*
* If the strings are empty, toInt() will return 0, which
* in all cases is valid properties. */
const QString hourStr(getCapt(hour));
const QString minutesStr(getCapt(minutes));
const QString secondsStr(getCapt(seconds));
HourProperty hour = hourStr.toInt();
const MinuteProperty mins = minutesStr.toInt();
const SecondProperty secs = secondsStr.toInt();
QString msecondsStr(getSafeCapt(mseconds));
if(!msecondsStr.isEmpty())
msecondsStr = msecondsStr.leftJustified(3, QLatin1Char('0'));
const MSecondProperty msecs = msecondsStr.toInt();
if(hour == 24)
{
/* 24:00:00.00 is an invalid time for QTime, so handle it here. */
if(mins != 0 || secs != 0 || msecs != 0)
{
badData(QtXmlPatterns::tr("Time 24:%1:%2.%3 is invalid. "
"Hour is 24, but minutes, seconds, "
"and milliseconds are not all 0; ")
.arg(mins).arg(secs).arg(msecs));
}
else
{
hour = 0;
date = date.addDays(1);
}
}
else if(!QTime::isValid(hour, mins, secs, msecs))
{
badData(QtXmlPatterns::tr("Time %1:%2:%3.%4 is invalid.")
.arg(hour).arg(mins).arg(secs).arg(msecs));
}
const QTime time(hour, mins, secs, msecs);
Q_ASSERT(time.isValid());
QDateTime result(date, time);
setUtcOffset(result, zoResult, offset);
return result;
}
}
ZOTotal AbstractDateTime::parseZoneOffset(ZoneOffsetParseResult &result,
const QStringList &capts,
const CaptureTable &captTable)
{
const QString zoneOffsetSignStr(getCapt(zoneOffsetSign));
if(zoneOffsetSignStr.isEmpty())
{
const QString zoneOffsetUTCStr(getCapt(zoneOffsetUTCSymbol));
Q_ASSERT(zoneOffsetUTCStr.isEmpty() || zoneOffsetUTCStr == QLatin1String("Z"));
if(zoneOffsetUTCStr.isEmpty())
result = LocalTime;
else
result = UTC;
return 0;
}
Q_ASSERT(zoneOffsetSignStr == QLatin1String("-") || zoneOffsetSignStr == QLatin1String("+"));
const QString zoneOffsetHourStr(getCapt(zoneOffsetHour));
Q_ASSERT(!zoneOffsetHourStr.isEmpty());
const ZOHourProperty zoHour = zoneOffsetHourStr.toInt();
if(zoHour > 14 || zoHour < -14)
{
result = Error;
return 0;
/*
badZOData(QtXmlPatterns::tr("%1 it is not a valid hour property in a zone offset. "
"It must be less than or equal to 14.").arg(zoHour));
*/
}
const QString zoneOffsetMinuteStr(getCapt(zoneOffsetMinute));
Q_ASSERT(!zoneOffsetMinuteStr.isEmpty());
const ZOHourProperty zoMins = zoneOffsetMinuteStr.toInt();
if(zoHour == 14 && zoMins != 0)
{
/*
badZOData(QtXmlPatterns::tr("When the hour property in a zone offset is 14, the minute property "
"must be 0, not %1.").arg(zoMins));
*/
result = Error;
return 0;
}
else if(zoMins > 59 || zoMins < -59)
{
/*
badZOData(QtXmlPatterns::tr("The minute property in a zone offset cannot be larger than 59. "
"%1 is therefore invalid.").arg(zoMins));
*/
result = Error;
return 0;
}
if(zoHour == 0 && zoMins == 0) /* "-00:00" and "+00:00" is equal to 'Z'. */
{
result = UTC;
return 0;
}
else
{
ZOTotal zoneOffset = (zoHour * 60 + zoMins) * 60;
if(zoneOffsetSignStr == QChar::fromLatin1('-'))
zoneOffset = -zoneOffset;
result = Offset;
return zoneOffset;
}
}
//#undef badZOData
void AbstractDateTime::setUtcOffset(QDateTime &result,
const ZoneOffsetParseResult zoResult,
const int zoOffset)
{
if(zoResult == UTC)
result.setTimeSpec(Qt::UTC);
else if(zoResult == LocalTime)
result.setTimeSpec(Qt::LocalTime);
else
{
Q_ASSERT(zoResult == Offset);
result.setUtcOffset(zoOffset);
}
}
#undef badData
#undef getCapt
#undef getSafeCapt
bool AbstractDateTime::isRangeValid(const QDate &date,
QString &message)
{
if(date.isValid())
return true;
else
{
message = QtXmlPatterns::tr("Overflow: Date can't be represented.");
return false;
}
}
QString AbstractDateTime::dateToString() const
{
return m_dateTime.toString(QLatin1String("yyyy-MM-dd"));
}
QString AbstractDateTime::serializeMSeconds(const MSecondProperty mseconds)
{
QString retval;
retval.append(QLatin1Char('.'));
int div = 100;
MSecondProperty msecs = mseconds;
while(msecs > 0)
{
int d = msecs / div;
retval.append(QLatin1Char(d + '0'));
msecs = msecs % div;
div = div / 10;
}
return retval;
}
QString AbstractDateTime::timeToString() const
{
QString base(m_dateTime.toString(QLatin1String("hh:mm:ss")));
const MSecondProperty msecs = m_dateTime.time().msec();
if(msecs)
base.append(serializeMSeconds(msecs));
return base;
}
QString AbstractDateTime::zoneOffsetToString() const
{
switch(m_dateTime.timeSpec())
{
case Qt::LocalTime:
return QString();
case Qt::UTC:
return QLatin1String("Z");
default:
{
Q_ASSERT(m_dateTime.timeSpec() == Qt::OffsetFromUTC);
const int zoneOffset = m_dateTime.utcOffset();
Q_ASSERT(zoneOffset != 0);
const int posZoneOffset = qAbs(zoneOffset);
/* zoneOffset is in seconds. */
const int hours = posZoneOffset/(60 * 60);
const int minutes = (posZoneOffset % (60 * 60)) / 60;
QString result;
result.reserve(6);
result.append(zoneOffset < 0 ? QLatin1Char('-') : QLatin1Char('+'));
result.append(QString::number(hours).rightJustified(2, QLatin1Char('0')));
result.append(QLatin1Char(':'));
result.append(QString::number(minutes).rightJustified(2, QLatin1Char('0')));
return result;
}
}
}
void AbstractDateTime::copyTimeSpec(const QDateTime &from,
QDateTime &to)
{
switch(from.timeSpec())
{
case Qt::UTC:
/* Fallthrough. */
case Qt::LocalTime:
{
to.setTimeSpec(from.timeSpec());
return;
}
case Qt::OffsetFromUTC:
{
to.setUtcOffset(from.utcOffset());
Q_ASSERT(to.timeSpec() == Qt::OffsetFromUTC);
return;
}
}
}
Item AbstractDateTime::fromValue(const QDateTime &) const
{
Q_ASSERT_X(false, Q_FUNC_INFO,
"Calling AbstractDateTime::fromDateTime() makes no sense.");
return Item();
}
QT_END_NAMESPACE
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