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**
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** packaging of this file. Please review the following information to
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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
* 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