Long live Qt 4.5!

1 files changed, 400 insertions, 0 deletions

diff --git a/src/xmlpatterns/data/qabstractdatetime.cpp b/src/xmlpatterns/data/qabstractdatetime.cpp
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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