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Diffstat (limited to 'src/xmlpatterns/functions/qtimezonefns.cpp')
| -rw-r--r-- | src/xmlpatterns/functions/qtimezonefns.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/xmlpatterns/functions/qtimezonefns.cpp b/src/xmlpatterns/functions/qtimezonefns.cpp new file mode 100644 index 0000000000..1968ffb5ca --- /dev/null +++ b/src/xmlpatterns/functions/qtimezonefns.cpp @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** 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 "qabstractdatetime_p.h" +#include "qcontextfns_p.h" +#include "qdate_p.h" +#include "qschemadatetime_p.h" +#include "qdaytimeduration_p.h" +#include "qpatternistlocale_p.h" +#include "qschematime_p.h" + +#include "qtimezonefns_p.h" + +QT_BEGIN_NAMESPACE + +using namespace QPatternist; + +Item AdjustTimezone::evaluateSingleton(const DynamicContext::Ptr &context) const +{ + enum + { + /** + * The maximum zone offset, @c PT14H, in milli seconds. + */ + MSecLimit = 14 * 60/*M*/ * 60/*S*/ * 1000/*ms*/ + }; + + + const Item arg(m_operands.first()->evaluateSingleton(context)); + if(!arg) + return Item(); + + QDateTime dt(arg.as<AbstractDateTime>()->toDateTime()); + // TODO DT dt.setDateOnly(false); + Q_ASSERT(dt.isValid()); + DayTimeDuration::Ptr tz; + + if(m_operands.count() == 2) + tz = DayTimeDuration::Ptr(m_operands.at(1)->evaluateSingleton(context).as<DayTimeDuration>()); + else + tz = context->implicitTimezone(); + + if(tz) + { + const MSecondCountProperty tzMSecs = tz->value(); + + if(tzMSecs % (1000 * 60) != 0) + { + context->error(QtXmlPatterns::tr("A zone offset must be in the " + "range %1..%2 inclusive. %3 is " + "out of range.") + .arg(formatData("-PT14H")) + .arg(formatData("PT14H")) + .arg(formatData(tz->stringValue())), + ReportContext::FODT0003, this); + return Item(); + } + else if(tzMSecs > MSecLimit || + tzMSecs < -MSecLimit) + { + context->error(QtXmlPatterns::tr("%1 is not a whole number of minutes.") + .arg(formatData(tz->stringValue())), + ReportContext::FODT0003, this); + return Item(); + } + + const SecondCountProperty tzSecs = tzMSecs / 1000; + + if(dt.timeSpec() == Qt::LocalTime) /* $arg has no time zone. */ + { + /* "If $arg does not have a timezone component and $timezone is not + * the empty sequence, then the result is $arg with $timezone as + * the timezone component." */ + //dt.setTimeSpec(QDateTime::Spec(QDateTime::OffsetFromUTC, tzSecs)); + dt.setUtcOffset(tzSecs); + Q_ASSERT(dt.isValid()); + return createValue(dt); + } + else + { + /* "If $arg has a timezone component and $timezone is not the empty sequence, + * then the result is an xs:dateTime value with a timezone component of + * $timezone that is equal to $arg." */ + dt = dt.toUTC(); + dt = dt.addSecs(tzSecs); + //dt.setTimeSpec(QDateTime::Spec(QDateTime::OffsetFromUTC, tzSecs)); + dt.setUtcOffset(tzSecs); + Q_ASSERT(dt.isValid()); + return createValue(dt); + } + } + else + { /* $timezone is the empty sequence. */ + if(dt.timeSpec() == Qt::LocalTime) /* $arg has no time zone. */ + { + /* "If $arg does not have a timezone component and $timezone is + * the empty sequence, then the result is $arg." */ + return arg; + } + else + { + /* "If $arg has a timezone component and $timezone is the empty sequence, + * then the result is the localized value of $arg without its timezone component." */ + dt.setTimeSpec(Qt::LocalTime); + return createValue(dt); + } + } +} + +Item AdjustDateTimeToTimezoneFN::createValue(const QDateTime &dt) const +{ + Q_ASSERT(dt.isValid()); + return DateTime::fromDateTime(dt); +} + +Item AdjustDateToTimezoneFN::createValue(const QDateTime &dt) const +{ + Q_ASSERT(dt.isValid()); + return Date::fromDateTime(dt); +} + +Item AdjustTimeToTimezoneFN::createValue(const QDateTime &dt) const +{ + Q_ASSERT(dt.isValid()); + return SchemaTime::fromDateTime(dt); +} + +QT_END_NAMESPACE |