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/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore 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 either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at http://www.qtsoftware.com/contact.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QDATETIME_P_H
#define QDATETIME_P_H
//
// 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.
//
#include "qplatformdefs.h"
#include "QtCore/qatomic.h"
#include "QtCore/qdatetime.h"
#include "QtCore/qstringlist.h"
#include "QtCore/qlocale.h"
#ifndef QT_BOOTSTRAPPED
# include "QtCore/qvariant.h"
#endif
#include "QtCore/qvector.h"
#define QDATETIMEEDIT_TIME_MIN QTime(0, 0, 0, 0)
#define QDATETIMEEDIT_TIME_MAX QTime(23, 59, 59, 999)
#define QDATETIMEEDIT_DATE_MIN QDate(100, 1, 1)
#define QDATETIMEEDIT_COMPAT_DATE_MIN QDate(1752, 9, 14)
#define QDATETIMEEDIT_DATE_MAX QDate(7999, 12, 31)
#define QDATETIMEEDIT_DATETIME_MIN QDateTime(QDATETIMEEDIT_DATE_MIN, QDATETIMEEDIT_TIME_MIN)
#define QDATETIMEEDIT_COMPAT_DATETIME_MIN QDateTime(QDATETIMEEDIT_COMPAT_DATE_MIN, QDATETIMEEDIT_TIME_MIN)
#define QDATETIMEEDIT_DATETIME_MAX QDateTime(QDATETIMEEDIT_DATE_MAX, QDATETIMEEDIT_TIME_MAX)
#define QDATETIMEEDIT_DATE_INITIAL QDate(2000, 1, 1)
QT_BEGIN_NAMESPACE
class QDateTimePrivate
{
public:
enum Spec { LocalUnknown = -1, LocalStandard = 0, LocalDST = 1, UTC = 2, OffsetFromUTC = 3};
QDateTimePrivate() : ref(1), spec(LocalUnknown), utcOffset(0) {}
QDateTimePrivate(const QDateTimePrivate &other)
: ref(1), date(other.date), time(other.time), spec(other.spec), utcOffset(other.utcOffset)
{}
QAtomicInt ref;
QDate date;
QTime time;
Spec spec;
/*!
\internal
\since 4.4
The offset in seconds. Applies only when timeSpec() is OffsetFromUTC.
*/
int utcOffset;
Spec getLocal(QDate &outDate, QTime &outTime) const;
void getUTC(QDate &outDate, QTime &outTime) const;
static QDateTime addMSecs(const QDateTime &dt, qint64 msecs);
static void addMSecs(QDate &utcDate, QTime &utcTime, qint64 msecs);
};
#ifndef QT_BOOTSTRAPPED
class Q_CORE_EXPORT QDateTimeParser
{
public:
enum Context {
FromString,
DateTimeEdit
};
QDateTimeParser(QVariant::Type t, Context ctx)
: currentSectionIndex(-1), display(0), cachedDay(-1), parserType(t),
fixday(false), spec(Qt::LocalTime), context(ctx)
{
defaultLocale = QLocale::system();
first.type = FirstSection;
first.pos = -1;
first.count = -1;
last.type = FirstSection;
last.pos = -1;
last.count = -1;
none.type = NoSection;
none.pos = -1;
none.count = -1;
}
virtual ~QDateTimeParser() {}
enum {
Neither = -1,
AM = 0,
PM = 1,
PossibleAM = 2,
PossiblePM = 3,
PossibleBoth = 4
};
enum {
NoSectionIndex = -1,
FirstSectionIndex = -2,
LastSectionIndex = -3,
CalendarPopupIndex = -4
};
enum Section {
NoSection = 0x00000,
AmPmSection = 0x00001,
MSecSection = 0x00002,
SecondSection = 0x00004,
MinuteSection = 0x00008,
Hour12Section = 0x00010,
Hour24Section = 0x00020,
TimeSectionMask = (AmPmSection|MSecSection|SecondSection|MinuteSection|Hour12Section|Hour24Section),
Internal = 0x10000,
DaySection = 0x00100,
MonthSection = 0x00200,
YearSection = 0x00400,
YearSection2Digits = 0x00800,
DayOfWeekSection = 0x01000,
DateSectionMask = (DaySection|MonthSection|YearSection|YearSection2Digits|DayOfWeekSection),
FirstSection = 0x02000|Internal,
LastSection = 0x04000|Internal,
CalendarPopupSection = 0x08000|Internal
}; // duplicated from qdatetimeedit.h
Q_DECLARE_FLAGS(Sections, Section)
struct SectionNode {
Section type;
mutable int pos;
int count;
};
enum State { // duplicated from QValidator
Invalid,
Intermediate,
Acceptable
};
struct StateNode {
StateNode() : state(Invalid), conflicts(false) {}
QString input;
State state;
bool conflicts;
QDateTime value;
};
enum AmPm {
AmText,
PmText
};
enum Case {
UpperCase,
LowerCase
};
#ifndef QT_NO_DATESTRING
StateNode parse(QString &input, int &cursorPosition, const QDateTime ¤tValue, bool fixup) const;
#endif
int sectionMaxSize(int index) const;
int sectionSize(int index) const;
int sectionMaxSize(Section s, int count) const;
int sectionPos(int index) const;
int sectionPos(const SectionNode &sn) const;
const SectionNode §ionNode(int index) const;
Section sectionType(int index) const;
QString sectionText(int sectionIndex) const;
QString sectionText(const QString &text, int sectionIndex, int index) const;
int getDigit(const QDateTime &dt, int index) const;
bool setDigit(QDateTime &t, int index, int newval) const;
int parseSection(const QDateTime ¤tValue, int sectionIndex, QString &txt, int &cursorPosition,
int index, QDateTimeParser::State &state, int *used = 0) const;
int absoluteMax(int index, const QDateTime &value = QDateTime()) const;
int absoluteMin(int index) const;
bool parseFormat(const QString &format);
#ifndef QT_NO_DATESTRING
bool fromString(const QString &text, QDate *date, QTime *time) const;
#endif
#ifndef QT_NO_TEXTDATE
int findMonth(const QString &str1, int monthstart, int sectionIndex,
QString *monthName = 0, int *used = 0) const;
int findDay(const QString &str1, int intDaystart, int sectionIndex,
QString *dayName = 0, int *used = 0) const;
#endif
int findAmPm(QString &str1, int index, int *used = 0) const;
int maxChange(int s) const;
bool potentialValue(const QString &str, int min, int max, int index,
const QDateTime ¤tValue, int insert) const;
bool skipToNextSection(int section, const QDateTime ¤t, const QString §ionText) const;
QString sectionName(int s) const;
QString stateName(int s) const;
QString sectionFormat(int index) const;
QString sectionFormat(Section s, int count) const;
enum FieldInfoFlag {
Numeric = 0x01,
FixedWidth = 0x02,
AllowPartial = 0x04,
Fraction = 0x08
};
Q_DECLARE_FLAGS(FieldInfo, FieldInfoFlag)
FieldInfo fieldInfo(int index) const;
virtual QDateTime getMinimum() const;
virtual QDateTime getMaximum() const;
virtual int cursorPosition() const { return -1; }
virtual QString displayText() const { return text; }
virtual QString getAmPmText(AmPm ap, Case cs) const;
virtual QLocale locale() const { return defaultLocale; }
mutable int currentSectionIndex;
Sections display;
mutable int cachedDay;
mutable QString text;
QVector<SectionNode> sectionNodes;
SectionNode first, last, none, popup;
QStringList separators;
QString displayFormat;
QLocale defaultLocale;
QVariant::Type parserType;
bool fixday;
Qt::TimeSpec spec; // spec if used by QDateTimeEdit
Context context;
};
Q_CORE_EXPORT bool operator==(const QDateTimeParser::SectionNode &s1, const QDateTimeParser::SectionNode &s2);
Q_DECLARE_OPERATORS_FOR_FLAGS(QDateTimeParser::Sections)
Q_DECLARE_OPERATORS_FOR_FLAGS(QDateTimeParser::FieldInfo)
#endif // QT_BOOTSTRAPPED
QT_END_NAMESPACE
#endif // QDATETIME_P_H
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