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46 // This file is not part of the Qt API. It exists purely as an
47 // implementation detail. This header file may change from version to
48 // version without notice, or even be removed.
52 #ifndef Patternist_AbstractDuration_H
53 #define Patternist_AbstractDuration_H
57 #include <private/qitem_p.h>
66 * @short Base class for classes implementing durations.
68 * @see <a href="http://www.w3.org/TR/xmlschema-2/#duration">XML Schema Part
69 * 2: Datatypes Second Edition, 3.2.6 duration</a>
70 * @see <a href="http://www.w3.org/TR/xpath-datamodel/#dates-and-times">XQuery
71 * 1.0 and XPath 2.0 Data Model (XDM), 3.3.2 Dates and Times</a>
72 * @author Frans Englich <frans.englich@nokia.com>
73 * @ingroup Patternist_xdm
74 * @todo Documentation is missing/incomplete
76 class AbstractDuration : public AtomicValue
79 typedef QExplicitlySharedDataPointer<AbstractDuration> Ptr;
82 * @short The amount in milli seconds.
87 * @short Acts as a mapping table for AbstractDuration::create()
88 * and describes where certain fields in a QRegExp pattern can be found
89 * for a particular W3C XML Schema duration type.
91 * @author Frans Englich <frans.englich@nokia.com>
92 * @ingroup Patternist_xdm
97 CaptureTable(const QRegExp &exp,
100 const qint8 dayP = -1,
101 const qint8 tDelimiterP = -1,
102 const qint8 hourP = -1,
103 const qint8 minutesP = -1,
104 const qint8 secondsP = -1,
105 const qint8 msecondsP = -1) : regExp(exp),
109 tDelimiter(tDelimiterP),
115 Q_ASSERT(exp.isValid());
116 Q_ASSERT(yearP == -1 || yearP == 2);
119 const QRegExp regExp;
123 const qint8 tDelimiter;
127 const qint8 mseconds;
131 * Determines whether this Duration is equal to @p other.
133 * @note Do not re-implement this function. It uses getters such as years() and
134 * mseconds() for determining its truth value.
136 bool operator==(const AbstractDuration &other) const;
138 virtual YearProperty years() const = 0;
139 virtual MonthProperty months() const = 0;
140 virtual DayCountProperty days() const = 0;
141 virtual HourProperty hours() const = 0;
142 virtual MinuteProperty minutes() const = 0;
143 virtual SecondProperty seconds() const = 0;
144 virtual MSecondProperty mseconds() const = 0;
147 * @returns the value of this AbstractDuration. For example,
148 * in the case of xs:yearMonthDuration, that is YearMonthDuration,
149 * years times twelve plus the months is returned.
151 virtual Value value() const = 0;
154 * A polymorphic factory function that returns instances of the
155 * sub-class with the value @p val.
157 virtual Item fromValue(const Value val) const = 0;
160 * Determines whether this AbstractDuration is positive. For example,
161 * "P10H" is positive, while "-P10H" is not.
163 * @note Do not re-implement this function. Use the constructor, AbstractDuration(),
164 * for changing the value.
165 * @returns @c true if this AbstractDuration is positive, otherwise @c false.
167 bool isPositive() const;
171 AbstractDuration(const bool isPos);
173 static QString serializeMSeconds(const MSecondProperty mseconds);
174 static AtomicValue::Ptr create(const CaptureTable &captTable,
175 const QString &lexical,
178 MonthProperty *months,
179 DayCountProperty *days,
181 MinuteProperty *minutes,
182 SecondProperty *seconds,
183 MSecondProperty *mseconds);
184 const bool m_isPositive;