diff -r 000000000000 -r 1918ee327afb src/xmlpatterns/functions/qdatetimefns_p.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/xmlpatterns/functions/qdatetimefns_p.h Mon Jan 11 14:00:40 2010 +0000 @@ -0,0 +1,305 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** 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 Technology Preview License Agreement accompanying +** this package. +** +** 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 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists purely as an +// implementation detail. This header file may change from version to +// version without notice, or even be removed. +// +// We mean it. + +#ifndef Patternist_DateTimeFNs_H +#define Patternist_DateTimeFNs_H + +#include "qatomiccomparator_p.h" +#include "qcommonvalues_p.h" +#include "qschemadatetime_p.h" +#include "qdaytimeduration_p.h" +#include "qdecimal_p.h" +#include "qinteger_p.h" +#include "qfunctioncall_p.h" + +/** + * @file + * @short Contains classes implementing the functions found in + * XQuery 1.0 and + * XPath 2.0 Functions and Operators, 10.5 Component Extraction Functions on Durations, Dates and Times. + * + * @ingroup Patternist_functions + */ + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +namespace QPatternist +{ + /** + * @short Helper class for implementing functions extracting components from durations. + * + * Each sub-class must implement this function: + * + * @code + * Item extract(const AbstractDuration *const duration) const; + * @endcode + * + * This function performs the actual component extraction from the argument, that + * is guaranteed to never be @c null. + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + template + class ExtractFromDurationFN : public FunctionCall + { + public: + /** + * Takes care of the argument handling, and, if applicable, + * calls extract() with the value of the operand. + */ + virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const; + }; + + /** + * @short Implements the function fn:years-from-duration(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class YearsFromDurationFN : public ExtractFromDurationFN + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function fn:months-from-duration(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class MonthsFromDurationFN : public ExtractFromDurationFN + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function fn:days-from-duration(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class DaysFromDurationFN : public ExtractFromDurationFN + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function fn:hours-from-duration(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class HoursFromDurationFN : public ExtractFromDurationFN + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function fn:minutes-from-duration(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class MinutesFromDurationFN : public ExtractFromDurationFN + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function fn:seconds-from-duration(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class SecondsFromDurationFN : public ExtractFromDurationFN + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Helper class for implementing functions extracting components + * from date/time values. + * + * Each sub-class must implement this function: + * + * @code + * Item extract(const AbstractDuration *const duration) const; + * @endcode + * + * This function performs the actual component extraction from the argument, that + * is guaranteed to never be @c null. + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + template + class ExtractFromDateTimeFN : public FunctionCall + { + public: + /** + * Takes care of the argument handling, and, if applicable, + * calls extract() with the value of the operand. + */ + virtual Item evaluateSingleton(const DynamicContext::Ptr &context) const; + }; + + /** + * @short Extracts the year property from a sub-class of AbstractDateTime such as DateTime or Date. + * This function implements fn:year-from-dateTime() and fn:year-from-date(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class YearFromAbstractDateTimeFN : public ExtractFromDateTimeFN + { + public: + inline Item extract(const QDateTime &dt) const; + }; + + /** + * @short Extracts the day property from a sub-class of AbstractDateTime such as DateTime or Date. + * This function implements fn:day-from-dateTime() and fn:day-from-date(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class DayFromAbstractDateTimeFN : public ExtractFromDateTimeFN + { + public: + inline Item extract(const QDateTime &dt) const; + }; + + /** + * @short Extracts the minute property from a sub-class of AbstractDateTime such as DateTime or SchemaTime. + * Implements the functions fn:hours-from-dateTime() and + * fn:hours-from-time(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class HoursFromAbstractDateTimeFN : public ExtractFromDateTimeFN + { + public: + inline Item extract(const QDateTime &dt) const; + }; + + /** + * @short Extracts the minutes property from a sub-class of AbstractDateTime such as DateTime or Date. + * Implements the functions fn:minutes-from-dateTime() and + * fn:minutes-from-time(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class MinutesFromAbstractDateTimeFN : public ExtractFromDateTimeFN + { + public: + inline Item extract(const QDateTime &dt) const; + }; + + /** + * @short Extracts the seconds property from a sub-class of AbstractDateTime such as DateTime or Date. + * Implements the functions fn:seconds-from-dateTime() and + * fn:seconds-from-time(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class SecondsFromAbstractDateTimeFN : public ExtractFromDateTimeFN + { + public: + inline Item extract(const QDateTime &dt) const; + }; + + /** + * @short Extracts the timezone property from a sub-class of AbstractDateTime such as DateTime or Date. + * Implements the functions fn:timezone-from-dateTime(), + * fn:timezone-from-time() and fn:timezone-from-date(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class TimezoneFromAbstractDateTimeFN : public ExtractFromDateTimeFN + { + public: + inline Item extract(const QDateTime &dt) const; + }; + + /** + * @short implements the functions fn:month-from-dateTime() and fn:month-from-date(). + * + * @ingroup Patternist_functions + * @author Frans Englich + */ + class MonthFromAbstractDateTimeFN : public ExtractFromDateTimeFN + { + public: + inline Item extract(const QDateTime &dt) const; + }; + +#include "qdatetimefns.cpp" + +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif