diff options
Diffstat (limited to 'src/xmlpatterns/functions/qdatetimefns_p.h')
| -rw-r--r-- | src/xmlpatterns/functions/qdatetimefns_p.h | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/src/xmlpatterns/functions/qdatetimefns_p.h b/src/xmlpatterns/functions/qdatetimefns_p.h new file mode 100644 index 0000000..cd5ca6f --- /dev/null +++ b/src/xmlpatterns/functions/qdatetimefns_p.h @@ -0,0 +1,305 @@ +/**************************************************************************** +** +** Copyright (C) 2011 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 + * <a href="http://www.w3.org/TR/xpath-functions/#component-exraction-functions">XQuery 1.0 and + * XPath 2.0 Functions and Operators, 10.5 Component Extraction Functions on Durations, Dates and Times</a>. + * + * @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 <frans.englich@nokia.com> + */ + template<typename TSubClass> + 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 <tt>fn:years-from-duration()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class YearsFromDurationFN : public ExtractFromDurationFN<YearsFromDurationFN> + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function <tt>fn:months-from-duration()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class MonthsFromDurationFN : public ExtractFromDurationFN<MonthsFromDurationFN> + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function <tt>fn:days-from-duration()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class DaysFromDurationFN : public ExtractFromDurationFN<DaysFromDurationFN> + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function <tt>fn:hours-from-duration()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class HoursFromDurationFN : public ExtractFromDurationFN<HoursFromDurationFN> + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function <tt>fn:minutes-from-duration()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class MinutesFromDurationFN : public ExtractFromDurationFN<MinutesFromDurationFN> + { + public: + inline Item extract(const AbstractDuration *const duration) const; + }; + + /** + * @short Implements the function <tt>fn:seconds-from-duration()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class SecondsFromDurationFN : public ExtractFromDurationFN<SecondsFromDurationFN> + { + 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 <frans.englich@nokia.com> + */ + template<typename TSubClass> + 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 <tt>fn:year-from-dateTime()</tt> and <tt>fn:year-from-date()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class YearFromAbstractDateTimeFN : public ExtractFromDateTimeFN<YearFromAbstractDateTimeFN> + { + 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 <tt>fn:day-from-dateTime()</tt> and <tt>fn:day-from-date()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class DayFromAbstractDateTimeFN : public ExtractFromDateTimeFN<DayFromAbstractDateTimeFN> + { + 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 <tt>fn:hours-from-dateTime()</tt> and + * <tt>fn:hours-from-time()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class HoursFromAbstractDateTimeFN : public ExtractFromDateTimeFN<HoursFromAbstractDateTimeFN> + { + 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 <tt>fn:minutes-from-dateTime()</tt> and + * <tt>fn:minutes-from-time()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class MinutesFromAbstractDateTimeFN : public ExtractFromDateTimeFN<MinutesFromAbstractDateTimeFN> + { + 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 <tt>fn:seconds-from-dateTime()</tt> and + * <tt>fn:seconds-from-time()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class SecondsFromAbstractDateTimeFN : public ExtractFromDateTimeFN<SecondsFromAbstractDateTimeFN> + { + 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 <tt>fn:timezone-from-dateTime()</tt>, + * <tt>fn:timezone-from-time()</tt> and <tt>fn:timezone-from-date()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class TimezoneFromAbstractDateTimeFN : public ExtractFromDateTimeFN<TimezoneFromAbstractDateTimeFN> + { + public: + inline Item extract(const QDateTime &dt) const; + }; + + /** + * @short implements the functions <tt>fn:month-from-dateTime()</tt> and <tt>fn:month-from-date()</tt>. + * + * @ingroup Patternist_functions + * @author Frans Englich <frans.englich@nokia.com> + */ + class MonthFromAbstractDateTimeFN : public ExtractFromDateTimeFN<MonthFromAbstractDateTimeFN> + { + public: + inline Item extract(const QDateTime &dt) const; + }; + +#include "qdatetimefns.cpp" + +} + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif |