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** GNU General Public License Usage | |
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#ifndef QDECLARATIVEPROPERTYCACHE_P_H | |
#define QDECLARATIVEPROPERTYCACHE_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 "private/qdeclarativerefcount_p.h" | |
#include "private/qdeclarativecleanup_p.h" | |
#include "private/qdeclarativenotifier_p.h" | |
#include <QtCore/qvector.h> | |
#include <QtScript/private/qscriptdeclarativeclass_p.h> | |
QT_BEGIN_NAMESPACE | |
class QDeclarativeEngine; | |
class QMetaProperty; | |
class Q_AUTOTEST_EXPORT QDeclarativePropertyCache : public QDeclarativeRefCount, public QDeclarativeCleanup | |
{ | |
public: | |
QDeclarativePropertyCache(QDeclarativeEngine *); | |
QDeclarativePropertyCache(QDeclarativeEngine *, const QMetaObject *); | |
virtual ~QDeclarativePropertyCache(); | |
struct Data { | |
inline Data(); | |
inline bool operator==(const Data &); | |
enum Flag { | |
NoFlags = 0x00000000, | |
// Can apply to all properties, except IsFunction | |
IsConstant = 0x00000001, | |
IsWritable = 0x00000002, | |
IsResettable = 0x00000004, | |
IsAlias = 0x00000008, | |
// These are mutualy exclusive | |
IsFunction = 0x00000010, | |
IsQObjectDerived = 0x00000020, | |
IsEnumType = 0x00000040, | |
IsQList = 0x00000080, | |
IsQmlBinding = 0x00000100, | |
IsQScriptValue = 0x00000200, | |
// Apply only to IsFunctions | |
IsVMEFunction = 0x00000400, | |
HasArguments = 0x00000800, | |
IsSignal = 0x00001000, | |
IsVMESignal = 0x00002000 | |
}; | |
Q_DECLARE_FLAGS(Flags, Flag) | |
bool isValid() const { return coreIndex != -1; } | |
Flags flags; | |
int propType; | |
int coreIndex; | |
union { | |
int notifyIndex; // When !IsFunction | |
int relatedIndex; // When IsFunction | |
}; | |
uint overrideIndexIsProperty : 1; | |
int overrideIndex : 31; | |
int revision; | |
int metaObjectOffset; | |
static Flags flagsForProperty(const QMetaProperty &, QDeclarativeEngine *engine = 0); | |
void load(const QMetaProperty &, QDeclarativeEngine *engine = 0); | |
void load(const QMetaMethod &); | |
QString name(QObject *); | |
QString name(const QMetaObject *); | |
}; | |
struct ValueTypeData { | |
inline ValueTypeData(); | |
inline bool operator==(const ValueTypeData &); | |
Data::Flags flags; // flags of the access property on the value type proxy object | |
int valueTypeCoreIdx; // The prop index of the access property on the value type proxy object | |
int valueTypePropType; // The QVariant::Type of access property on the value type proxy object | |
}; | |
void update(QDeclarativeEngine *, const QMetaObject *); | |
QDeclarativePropertyCache *copy() const; | |
void append(QDeclarativeEngine *, const QMetaObject *, Data::Flag propertyFlags = Data::NoFlags, | |
Data::Flag methodFlags = Data::NoFlags, Data::Flag signalFlags = Data::NoFlags); | |
void append(QDeclarativeEngine *, const QMetaObject *, int revision, Data::Flag propertyFlags = Data::NoFlags, | |
Data::Flag methodFlags = Data::NoFlags, Data::Flag signalFlags = Data::NoFlags); | |
static Data create(const QMetaObject *, const QString &); | |
inline Data *property(const QScriptDeclarativeClass::Identifier &id) const; | |
Data *property(const QString &) const; | |
Data *property(int) const; | |
Data *method(int) const; | |
QStringList propertyNames() const; | |
inline Data *overrideData(Data *) const; | |
inline bool isAllowedInRevision(Data *) const; | |
inline QDeclarativeEngine *qmlEngine() const; | |
static Data *property(QDeclarativeEngine *, QObject *, const QScriptDeclarativeClass::Identifier &, Data &); | |
static Data *property(QDeclarativeEngine *, QObject *, const QString &, Data &); | |
protected: | |
virtual void clear(); | |
private: | |
friend class QDeclarativeEnginePrivate; | |
struct RData : public Data, public QDeclarativeRefCount { | |
QScriptDeclarativeClass::PersistentIdentifier identifier; | |
}; | |
typedef QVector<RData *> IndexCache; | |
typedef QHash<QString, RData *> StringCache; | |
typedef QHash<QScriptDeclarativeClass::Identifier, RData *> IdentifierCache; | |
typedef QVector<int> AllowedRevisionCache; | |
void updateRecur(QDeclarativeEngine *, const QMetaObject *); | |
QDeclarativeEngine *engine; | |
IndexCache indexCache; | |
IndexCache methodIndexCache; | |
StringCache stringCache; | |
IdentifierCache identifierCache; | |
AllowedRevisionCache allowedRevisionCache; | |
}; | |
Q_DECLARE_OPERATORS_FOR_FLAGS(QDeclarativePropertyCache::Data::Flags); | |
QDeclarativePropertyCache::Data::Data() | |
: flags(0), propType(0), coreIndex(-1), notifyIndex(-1), overrideIndexIsProperty(false), overrideIndex(-1), | |
revision(0), metaObjectOffset(-1) | |
{ | |
} | |
bool QDeclarativePropertyCache::Data::operator==(const QDeclarativePropertyCache::Data &other) | |
{ | |
return flags == other.flags && | |
propType == other.propType && | |
coreIndex == other.coreIndex && | |
notifyIndex == other.notifyIndex && | |
revision == other.revision; | |
} | |
QDeclarativePropertyCache::Data * | |
QDeclarativePropertyCache::overrideData(Data *data) const | |
{ | |
if (data->overrideIndex < 0) | |
return 0; | |
if (data->overrideIndexIsProperty) | |
return indexCache.at(data->overrideIndex); | |
else | |
return methodIndexCache.at(data->overrideIndex); | |
} | |
QDeclarativePropertyCache::Data * | |
QDeclarativePropertyCache::property(const QScriptDeclarativeClass::Identifier &id) const | |
{ | |
return identifierCache.value(id); | |
} | |
QDeclarativePropertyCache::ValueTypeData::ValueTypeData() | |
: flags(QDeclarativePropertyCache::Data::NoFlags), valueTypeCoreIdx(-1), valueTypePropType(0) | |
{ | |
} | |
bool QDeclarativePropertyCache::ValueTypeData::operator==(const ValueTypeData &o) | |
{ | |
return flags == o.flags && | |
valueTypeCoreIdx == o.valueTypeCoreIdx && | |
valueTypePropType == o.valueTypePropType; | |
} | |
bool QDeclarativePropertyCache::isAllowedInRevision(Data *data) const | |
{ | |
return (data->metaObjectOffset == -1 && data->revision == 0) || | |
(allowedRevisionCache[data->metaObjectOffset] >= data->revision); | |
} | |
QDeclarativeEngine *QDeclarativePropertyCache::qmlEngine() const | |
{ | |
return engine; | |
} | |
QT_END_NAMESPACE | |
#endif // QDECLARATIVEPROPERTYCACHE_P_H |