| /**************************************************************************** |
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| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** This file is part of the QtXmlPatterns module of the Qt Toolkit. |
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| ** Alternatively, this file may be used under the terms of the GNU |
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| |
| // |
| // 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 <private/qatomiccomparator_p.h> |
| #include <private/qcommonvalues_p.h> |
| #include <private/qschemadatetime_p.h> |
| #include <private/qdaytimeduration_p.h> |
| #include <private/qdecimal_p.h> |
| #include <private/qinteger_p.h> |
| #include <private/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_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_tpl_p.h" |
| |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif |