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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#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