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** GNU General Public License Usage | |
** Alternatively, this file may be used under the terms of the GNU General | |
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** file. Please review the following information to ensure the GNU General | |
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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 "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 |