QDeclarativeType Class Reference

#include <qdeclarativemetatype_p.h>

Public Types
typedef void(*	CreateFunc) (void *)

Public Functions
QDeclarativeAttachedPropertiesFunc	attachedPropertiesFunction () const
int	attachedPropertiesId () const
const QMetaObject *	attachedPropertiesType () const
bool	availableInVersion (int vmajor, int vminor) const
bool	availableInVersion (const QByteArray &module, int vmajor, int vminor) const
const QMetaObject *	baseMetaObject () const
bool	containsRevisionedAttributes () const
QObject *	create () const
void	create (QObject **, void **, size_t) const
CreateFunc	createFunction () const
int	createSize () const
QDeclarativeCustomParser *	customParser () const
QVariant	fromObject (QObject *) const
int	index () const
const char *	interfaceIId () const
bool	isCreatable () const
bool	isExtendedType () const
bool	isInterface () const
int	majorVersion () const
const QMetaObject *	metaObject () const
int	metaObjectRevision () const
int	minorVersion () const
QByteArray	module () const
QString	noCreationReason () const
int	parserStatusCast () const
int	propertyValueInterceptorCast () const
int	propertyValueSourceCast () const
int	qListTypeId () const
QByteArray	qmlTypeName () const
int	typeId () const
QByteArray	typeName () const

Private Functions
	QDeclarativeType (int, const QDeclarativePrivate::RegisterInterface &)
	QDeclarativeType (int, const QDeclarativePrivate::RegisterType &)
QDeclarativeType *	superType () const
	~QDeclarativeType ()

Properties
QDeclarativeTypePrivate *	d

Friends
struct	QDeclarativeMetaTypeData
class	QDeclarativeTypePrivate
int	registerComponent (const QDeclarativePrivate::RegisterComponent &)
int	registerInterface (const QDeclarativePrivate::RegisterInterface &)
int	registerType (const QDeclarativePrivate::RegisterType &)

Detailed Description

Definition at line 114 of file qdeclarativemetatype_p.h.

Typedefs

CreateFunc

typedef void(* QDeclarativeType::CreateFunc) (void *)

Definition at line 130 of file qdeclarativemetatype_p.h.

Constructors and Destructors

QDeclarativeType() [1/2]

QDeclarativeType::QDeclarativeType ( int  index, const QDeclarativePrivate::RegisterInterface &  interface  )

private

Definition at line 193 of file qdeclarativemetatype.cpp.

Referenced by registerInterface(), and registerType().

: d(new QDeclarativeTypePrivate)
{
    d->m_isInterface = true;
    d->m_iid = interface.iid;
    d->m_typeId = interface.typeId;
    d->m_listId = interface.listId;
    d->m_newFunc = 0;
    d->m_index = index;
    d->m_isSetup = true;
    d->m_version_maj = 0;
    d->m_version_min = 0;
}

QDeclarativeType() [2/2]

QDeclarativeType::QDeclarativeType ( int  index, const QDeclarativePrivate::RegisterType &  type  )

private

Definition at line 207 of file qdeclarativemetatype.cpp.

: d(new QDeclarativeTypePrivate)
{
    QByteArray name = type.uri;
    if (type.uri) name += '/';
    name += type.elementName;

    d->m_module = type.uri;
    d->m_name = name;
    d->m_version_maj = type.versionMajor;
    d->m_version_min = type.versionMinor;
    if (type.version >= 1) // revisions added in version 1
        d->m_revision = type.revision;
    d->m_typeId = type.typeId;
    d->m_listId = type.listId;
    d->m_allocationSize = type.objectSize;
    d->m_newFunc = type.create;
    d->m_noCreationReason = type.noCreationReason;
    d->m_baseMetaObject = type.metaObject;
    d->m_attachedPropertiesFunc = type.attachedPropertiesFunction;
    d->m_attachedPropertiesType = type.attachedPropertiesMetaObject;
    if (d->m_attachedPropertiesType) {
        QHash<const QMetaObject *, int>::Iterator iter = d->m_attachedPropertyIds.find(d->m_baseMetaObject);
        if (iter == d->m_attachedPropertyIds.end())
            iter = d->m_attachedPropertyIds.insert(d->m_baseMetaObject, index);
        d->m_attachedPropertiesId = *iter;
    } else {
        d->m_attachedPropertiesId = -1;
    }
    d->m_parserStatusCast = type.parserStatusCast;
    d->m_propertyValueSourceCast = type.valueSourceCast;
    d->m_propertyValueInterceptorCast = type.valueInterceptorCast;
    d->m_extFunc = type.extensionObjectCreate;
    d->m_index = index;
    d->m_customParser = type.customParser;

    if (type.extensionMetaObject)
        d->m_extMetaObject = type.extensionMetaObject;
}

~QDeclarativeType()

QDeclarativeType::~QDeclarativeType ( )

private

Definition at line 247 of file qdeclarativemetatype.cpp.

{
    delete d->m_customParser;
    delete d;
}

Functions

attachedPropertiesFunction()

QDeclarativeAttachedPropertiesFunc QDeclarativeType::attachedPropertiesFunction

(

)

const

Definition at line 544 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeMetaType::attachedPropertiesFuncById(), QDeclarativeMetaType::attachedPropertiesFuncId(), QDeclarativeCompiler::buildProperty(), and QDeclarativeCompiler::buildPropertyInNamespace().

{
    return d->m_attachedPropertiesFunc;
}

attachedPropertiesId()

int QDeclarativeType::attachedPropertiesId

(

)

const

Definition at line 559 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeMetaType::attachedPropertiesFuncId(), QDeclarativeCompiler::buildProperty(), QDeclarativeBindingCompilerPrivate::parseName(), and QDeclarativeTypeNameScriptClass::queryProperty().

{
    return d->m_attachedPropertiesId;
}

attachedPropertiesType()

const QMetaObject * QDeclarativeType::attachedPropertiesType

(

)

const

Definition at line 549 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::buildProperty(), QDeclarativeCompiler::buildPropertyInNamespace(), and QDeclarativeBindingCompilerPrivate::parseName().

{
    return d->m_attachedPropertiesType;
}

availableInVersion() [1/2]

bool QDeclarativeType::availableInVersion	(	int	vmajor,
		int	vminor
	)		const

Definition at line 268 of file qdeclarativemetatype.cpp.

Referenced by cacheForNamespace(), and QDeclarativeMetaType::qmlType().

{
    return vmajor > d->m_version_maj || (vmajor == d->m_version_maj && vminor >= d->m_version_min);
}

availableInVersion() [2/2]

bool QDeclarativeType::availableInVersion	(	const QByteArray &	module,
		int	vmajor,
		int	vminor
	)		const

Definition at line 273 of file qdeclarativemetatype.cpp.

{
    return module == d->m_module && (vmajor > d->m_version_maj || (vmajor == d->m_version_maj && vminor >= d->m_version_min));
}

baseMetaObject()

const QMetaObject * QDeclarativeType::baseMetaObject

(

)

const

Definition at line 527 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeListReferencePrivate::init(), QDeclarativeListReference::QDeclarativeListReference(), QDeclarativeTypeNameScriptClass::queryProperty(), QDeclarativePropertyPrivate::rawMetaObjectForType(), QDeclarativeEnginePrivate::rawMetaObjectForType(), registerType(), and QDeclarativePropertyPrivate::write().

{
    return d->m_baseMetaObject;
}

containsRevisionedAttributes()

bool QDeclarativeType::containsRevisionedAttributes

(

)

const

Definition at line 532 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeEnginePrivate::cache(), and QDeclarativeCompiler::compile().

{
    d->init();

    return d->m_containsRevisionedAttributes;
}

create() [1/2]

QObject * QDeclarativeType::create

(

)

const

Definition at line 442 of file qdeclarativemetatype.cpp.

{
    d->init();

    QObject *rv = (QObject *)operator new(d->m_allocationSize);
    d->m_newFunc(rv);

    if (rv && !d->m_metaObjects.isEmpty())
        (void)new QDeclarativeProxyMetaObject(rv, &d->m_metaObjects);

    return rv;
}

create() [2/2]

void QDeclarativeType::create	(	QObject **	out,
		void **	memory,
		size_t	additionalMemory
	)		const

Definition at line 455 of file qdeclarativemetatype.cpp.

{
    d->init();

    QObject *rv = (QObject *)operator new(d->m_allocationSize + additionalMemory);
    d->m_newFunc(rv);

    if (rv && !d->m_metaObjects.isEmpty())
        (void)new QDeclarativeProxyMetaObject(rv, &d->m_metaObjects);

    *out = rv;
    *memory = ((char *)rv) + d->m_allocationSize;
}

createFunction()

QDeclarativeType::CreateFunc QDeclarativeType::createFunction

(

)

const

Definition at line 474 of file qdeclarativemetatype.cpp.

{
    return d->m_newFunc;
}

createSize()

int QDeclarativeType::createSize

(

)

const

Definition at line 484 of file qdeclarativemetatype.cpp.

{
    return d->m_allocationSize;
}

customParser()

QDeclarativeCustomParser * QDeclarativeType::customParser

(

)

const

Definition at line 469 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeVME::run().

{
    return d->m_customParser;
}

fromObject()

QVariant QDeclarativeType::fromObject

(

QObject *

)

const

index()

int QDeclarativeType::index

(

)

const

Definition at line 584 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::buildPropertyInNamespace(), QDeclarativeType(), registerInterface(), and registerType().

{
    return d->m_index;
}

interfaceIId()

const char * QDeclarativeType::interfaceIId

(

)

const

Definition at line 579 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeMetaType::interfaceIId().

{
    return d->m_iid;
}

isCreatable()

bool QDeclarativeType::isCreatable

(

)

const

Definition at line 489 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::compile().

{
    return d->m_newFunc != 0;
}

isExtendedType()

bool QDeclarativeType::isExtendedType

(

)

const

Definition at line 494 of file qdeclarativemetatype.cpp.

{
    d->init();

    return !d->m_metaObjects.isEmpty();
}

isInterface()

bool QDeclarativeType::isInterface

(

)

const

Definition at line 501 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeMetaType::interfaceIId().

{
    return d->m_isInterface;
}

majorVersion()

int QDeclarativeType::majorVersion

(

)

const

Definition at line 258 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeEnginePrivate::createCache().

{
    return d->m_version_maj;
}

metaObject()

const QMetaObject * QDeclarativeType::metaObject

(

)

const

Definition at line 516 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeEnginePrivate::cache(), QDeclarativeEnginePrivate::createCache(), QDeclarativeMetaType::defaultMethod(), QDeclarativeMetaType::defaultProperty(), QDeclarativeCompiler::evaluateEnum(), QDeclarativeEnginePrivate::metaObjectForType(), QDeclarativeMetaType::qmlType(), QDeclarativeCompiler::resolveType(), and QDeclarativeCompiler::testQualifiedEnumAssignment().

{
    d->init();

    if (d->m_metaObjects.isEmpty())
        return d->m_baseMetaObject;
    else
        return d->m_metaObjects.first().metaObject;

}

metaObjectRevision()

int QDeclarativeType::metaObjectRevision

(

)

const

Definition at line 539 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeEnginePrivate::createCache().

{
    return d->m_revision;
}

minorVersion()

int QDeclarativeType::minorVersion

(

)

const

Definition at line 263 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeEnginePrivate::createCache().

{
    return d->m_version_min;
}

module()

QByteArray QDeclarativeType::module

(

)

const

Definition at line 253 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::buildProperty(), QDeclarativeCompiler::buildSignal(), and QDeclarativeEnginePrivate::createCache().

{
    return d->m_module;
}

noCreationReason()

QString QDeclarativeType::noCreationReason

(

)

const

Definition at line 479 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::compile().

{
    return d->m_noCreationReason;
}

parserStatusCast()

int QDeclarativeType::parserStatusCast

(

)

const

Definition at line 564 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::buildObject().

{
    return d->m_parserStatusCast;
}

propertyValueInterceptorCast()

int QDeclarativeType::propertyValueInterceptorCast

(

)

const

Definition at line 574 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::genPropertyAssignment().

{
    return d->m_propertyValueInterceptorCast;
}

propertyValueSourceCast()

int QDeclarativeType::propertyValueSourceCast

(

)

const

Definition at line 569 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::genPropertyAssignment().

{
    return d->m_propertyValueSourceCast;
}

qListTypeId()

int QDeclarativeType::qListTypeId

(

)

const

Definition at line 511 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeMetaType::listType(), registerInterface(), and registerType().

{
    return d->m_listId;
}

qmlTypeName()

QByteArray QDeclarativeType::qmlTypeName

(

)

const

Definition at line 437 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::buildObject(), cacheForNamespace(), QDeclarativeEnginePrivate::createCache(), qmlExecuteDeferred(), registerInterface(), registerType(), QDeclarativeCompiler::testQualifiedEnumAssignment(), and QDeclarativeInfo::~QDeclarativeInfo().

{
    return d->m_name;
}

superType()

QDeclarativeType * QDeclarativeType::superType ( ) const

private

Definition at line 279 of file qdeclarativemetatype.cpp.

{
    if (!d->m_haveSuperType) {
        const QMetaObject *mo = d->m_baseMetaObject->superClass();
        while (mo && !d->m_superType) {
            d->m_superType = QDeclarativeMetaType::qmlType(mo, d->m_module, d->m_version_maj, d->m_version_min);
            mo = mo->superClass();
        }
        d->m_haveSuperType = true;
    }

    return d->m_superType;
}

typeId()

int QDeclarativeType::typeId

(

)

const

Definition at line 506 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeMetaType::interfaceIId(), QDeclarativeMetaType::listType(), QDeclarativeMetaType::qmlType(), registerInterface(), and registerType().

{
    return d->m_typeId;
}

typeName()

QByteArray QDeclarativeType::typeName

(

)

const

Definition at line 429 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativeCompiler::buildDynamicMeta().

{
    if (d->m_baseMetaObject)
        return d->m_baseMetaObject->className();
    else
        return QByteArray();
}

Friends and Related Functions

QDeclarativeMetaTypeData

friend struct QDeclarativeMetaTypeData

friend

Definition at line 164 of file qdeclarativemetatype_p.h.

QDeclarativeTypePrivate

friend class QDeclarativeTypePrivate

friend

Definition at line 163 of file qdeclarativemetatype_p.h.

registerComponent

int registerComponent ( const QDeclarativePrivate::RegisterComponent &  data )

friend

Definition at line 679 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativePrivate::qmlregister().

{
    if (data.typeName) {
        for (int ii = 0; data.typeName[ii]; ++ii) {
            if (!isalnum(data.typeName[ii])) {
                qWarning("qmlRegisterType(): Invalid QML type name \"%s\"", data.typeName);
                return 0;
            }
        }
    } else {
        qWarning("qmlRegisterType(): No QML type name for \"%s\"", data.url.toString().toLatin1().constData());
        return 0;
    }

    QWriteLocker lock(registeredComponentDataLock());
    QString path;
    // Relative paths are relative to application working directory
    if (data.url.isRelative() || data.url.scheme() == QLatin1String("file")) // Workaround QTBUG-11929
        path = QUrl::fromLocalFile(QDir::currentPath()+QLatin1String("/")).resolved(data.url).toString();
    else
        path = data.url.toString();
    QDeclarativeRegisteredComponentData *d = registeredComponentData();
    QDeclarativeDirParser::Component comp(
        QString::fromUtf8(data.typeName),
        path,
        data.majorVersion,
        data.minorVersion
    );

    QDeclarativeDirComponents* comps = d->registeredComponents.value(QByteArray(data.uri), 0);
    if (!comps)
        d->registeredComponents.insert(QByteArray(data.uri), comps = new QDeclarativeDirComponents);

    // Types added later should take precedence, like registerType
    comps->prepend(comp);

    return 1;
}

registerInterface

int registerInterface ( const QDeclarativePrivate::RegisterInterface &  interface )

friend

Definition at line 599 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativePrivate::qmlregister().

{
    if (interface.version > 0) 
        qFatal("qmlRegisterType(): Cannot mix incompatible QML versions.");

    QWriteLocker lock(metaTypeDataLock());
    QDeclarativeMetaTypeData *data = metaTypeData();

    int index = data->types.count();

    QDeclarativeType *type = new QDeclarativeType(index, interface);

    data->types.append(type);
    data->idToType.insert(type->typeId(), type);
    data->idToType.insert(type->qListTypeId(), type);
    // XXX No insertMulti, so no multi-version interfaces?
    if (!type->qmlTypeName().isEmpty())
        data->nameToType.insert(type->qmlTypeName(), type);

    if (data->interfaces.size() <= interface.typeId)
        data->interfaces.resize(interface.typeId + 16);
    if (data->lists.size() <= interface.listId)
        data->lists.resize(interface.listId + 16);
    data->interfaces.setBit(interface.typeId, true);
    data->lists.setBit(interface.listId, true);

    return index;
}

registerType

int registerType ( const QDeclarativePrivate::RegisterType &  type )

friend

Definition at line 628 of file qdeclarativemetatype.cpp.

Referenced by QDeclarativePrivate::qmlregister().

{
    if (type.elementName) {
        for (int ii = 0; type.elementName[ii]; ++ii) {
            if (!isalnum(type.elementName[ii])) {
                qWarning("qmlRegisterType(): Invalid QML element name \"%s\"", type.elementName);
                return -1;
            }
        }
    }

    QWriteLocker lock(metaTypeDataLock());
    QDeclarativeMetaTypeData *data = metaTypeData();
    int index = data->types.count();

    QDeclarativeType *dtype = new QDeclarativeType(index, type);

    data->types.append(dtype);
    data->idToType.insert(dtype->typeId(), dtype);
    if (dtype->qListTypeId()) data->idToType.insert(dtype->qListTypeId(), dtype);

    if (!dtype->qmlTypeName().isEmpty())
        data->nameToType.insertMulti(dtype->qmlTypeName(), dtype);

    data->metaObjectToType.insertMulti(dtype->baseMetaObject(), dtype);

    if (data->objects.size() <= type.typeId)
        data->objects.resize(type.typeId + 16);
    if (data->lists.size() <= type.listId)
        data->lists.resize(type.listId + 16);
    data->objects.setBit(type.typeId, true);
    if (type.listId) data->lists.setBit(type.listId, true);

    if (type.uri) {
        QByteArray mod(type.uri);
        QDeclarativeMetaTypeData::ModuleInfoHash::Iterator it = data->modules.find(mod);
        if (it == data->modules.end()) {
            // New module
            data->modules.insert(mod, QDeclarativeMetaTypeData::ModuleInfo(type.versionMajor,type.versionMinor));
        } else if ((*it).vmajor_max < type.versionMajor || ((*it).vmajor_max == type.versionMajor && (*it).vminor_max < type.versionMinor)) {
            // Newer module
            data->modules.insert(mod, QDeclarativeMetaTypeData::ModuleInfo((*it).vmajor_min, (*it).vminor_min, type.versionMajor, type.versionMinor));
        } else if ((*it).vmajor_min > type.versionMajor || ((*it).vmajor_min == type.versionMajor && (*it).vminor_min > type.versionMinor)) {
            // Older module
            data->modules.insert(mod, QDeclarativeMetaTypeData::ModuleInfo(type.versionMajor, type.versionMinor, (*it).vmajor_min, (*it).vminor_min));
        }
    }

    return index;
}

Properties

d

QDeclarativeTypePrivate* QDeclarativeType::d

private

Definition at line 172 of file qdeclarativemetatype_p.h.

Referenced by attachedPropertiesFunction(), attachedPropertiesId(), attachedPropertiesType(), availableInVersion(), baseMetaObject(), containsRevisionedAttributes(), create(), createFunction(), createSize(), customParser(), index(), QDeclarativeTypePrivate::init(), interfaceIId(), isCreatable(), isExtendedType(), isInterface(), majorVersion(), metaObject(), metaObjectRevision(), minorVersion(), module(), noCreationReason(), parserStatusCast(), propertyValueInterceptorCast(), propertyValueSourceCast(), QDeclarativeType(), qListTypeId(), qmlTypeName(), registerComponent(), superType(), typeId(), typeName(), and ~QDeclarativeType().

---

The documentation for this class was generated from the following files:

• /src/declarative/qml/qdeclarativemetatype_p.h
• /src/declarative/qml/qdeclarativemetatype.cpp