#include <qdeclarativetypeloader_p.h>

Inheritance diagram for QDeclarativeTypeLoader:

Public Types
enum	Option { None, PreserveParser }
	This enum defines the options that control the way type data is handled. More...

Public Functions
QString	absoluteFilePath (const QString &path)
	Returns the absolute filename of path via a directory cache for files named "qmldir", ".qml", ".js" Returns a empty string if the path does not exist. More...

void	clearCache ()

QDeclarativeTypeData *	get (const QUrl &url)
	Returns a QDeclarativeTypeData for the specified url. More...

QDeclarativeTypeData *	get (const QByteArray &, const QUrl &url, Options=None)
	Returns a QDeclarativeTypeData for the given data with the provided base url. More...

QDeclarativeQmldirData *	getQmldir (const QUrl &)
	Returns a QDeclarativeQmldirData for url. More...

QDeclarativeScriptData *	getScript (const QUrl &)
	Returns a QDeclarativeScriptData for url. More...

	QDeclarativeTypeLoader (QDeclarativeEngine *)
	Constructs a new type loader that uses the given engine. More...

const QDeclarativeDirParser *	qmlDirParser (const QString &absoluteFilePath)
	Return a QDeclarativeDirParser for absoluteFilePath. More...

	~QDeclarativeTypeLoader ()
	Destroys the type loader, first clearing the cache of any information about loaded files. More...

Public Functions inherited from QDeclarativeDataLoader
QDeclarativeEngine *	engine () const
	Return the QDeclarativeEngine associated with this loader. More...

void	load (QDeclarativeDataBlob *)
	Load the provided blob from the network or filesystem. More...

void	loadWithStaticData (QDeclarativeDataBlob *, const QByteArray &)
	Load the provided blob with data. More...

	QDeclarativeDataLoader (QDeclarativeEngine *)
	Create a new QDeclarativeDataLoader for engine. More...

	~QDeclarativeDataLoader ()

Public Functions inherited from QObject
bool	blockSignals (bool b)
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...

const QObjectList &	children () const
	Returns a list of child objects. More...

bool	connect (const QObject sender, const char signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const

bool	disconnect (const char signal=0, const QObject receiver=0, const char *member=0)

bool	disconnect (const QObject receiver, const char member=0)

void	dumpObjectInfo ()
	Dumps information about signal connections, etc. More...

void	dumpObjectTree ()
	Dumps a tree of children to the debug output. More...

QList< QByteArray >	dynamicPropertyNames () const
	Returns the names of all properties that were dynamically added to the object using setProperty(). More...

virtual bool	event (QEvent *)
	This virtual function receives events to an object and should return true if the event e was recognized and processed. More...

virtual bool	eventFilter (QObject , QEvent )
	Filters events if this object has been installed as an event filter for the watched object. More...

template<typename T >
T	findChild (const QString &aName=QString()) const
	Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...

template<typename T >
QList< T >	findChildren (const QString &aName=QString()) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...

template<typename T >
QList< T >	findChildren (const QRegExp &re) const

bool	inherits (const char *classname) const
	Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...

void	installEventFilter (QObject *)
	Installs an event filter filterObj on this object. More...

bool	isWidgetType () const
	Returns true if the object is a widget; otherwise returns false. More...

void	killTimer (int id)
	Kills the timer with timer identifier, id. More...

virtual const QMetaObject *	metaObject () const
	Returns a pointer to the meta-object of this object. More...

void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children. More...

QString	objectName () const

QObject *	parent () const
	Returns a pointer to the parent object. More...

QVariant	property (const char *name) const
	Returns the value of the object's name property. More...

Q_INVOKABLE	QObject (QObject *parent=0)
	Constructs an object with parent object parent. More...

void	removeEventFilter (QObject *)
	Removes an event filter object obj from this object. More...

void	setObjectName (const QString &name)

void	setParent (QObject *)
	Makes the object a child of parent. More...

bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value. More...

void	setUserData (uint id, QObjectUserData *data)

bool	signalsBlocked () const
	Returns true if signals are blocked; otherwise returns false. More...

int	startTimer (int interval)
	Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...

QThread *	thread () const
	Returns the thread in which the object lives. More...

QObjectUserData *	userData (uint id) const

virtual	~QObject ()
	Destroys the object, deleting all its child objects. More...

Private Types
typedef QHash< QString, StringSet * >	ImportDirCache

typedef QHash< QString, QDeclarativeDirParser * >	ImportQmlDirCache

typedef QHash< QUrl, QDeclarativeQmldirData * >	QmldirCache

typedef QHash< QUrl, QDeclarativeScriptData * >	ScriptCache

typedef QSet< QString >	StringSet

typedef QHash< QUrl, QDeclarativeTypeData * >	TypeCache

Properties
ImportDirCache	m_importDirCache

ImportQmlDirCache	m_importQmlDirCache

QmldirCache	m_qmldirCache

ScriptCache	m_scriptCache

TypeCache	m_typeCache

Additional Inherited Members
Public Slots inherited from QObject
void	deleteLater ()
	Schedules this object for deletion. More...

Signals inherited from QObject
void	destroyed (QObject *=0)
	This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...

Static Public Functions inherited from QObject
static bool	connect (const QObject sender, const char signal, const QObject receiver, const char member, Qt::ConnectionType=Qt::AutoConnection)
	Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...

static bool	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)

static bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char member)
	Disconnects signal in object sender from method in object receiver. More...

static bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &member)

static uint	registerUserData ()

static QString	tr (const char sourceText, const char comment=0, int n=-1)

static QString	trUtf8 (const char sourceText, const char comment=0, int n=-1)

Static Public Variables inherited from QObject
static const QMetaObject	staticMetaObject
	This variable stores the meta-object for the class. More...

Protected Functions inherited from QObject
virtual void	childEvent (QChildEvent *)
	This event handler can be reimplemented in a subclass to receive child events. More...

virtual void	connectNotify (const char *signal)
	This virtual function is called when something has been connected to signal in this object. More...

virtual void	customEvent (QEvent *)
	This event handler can be reimplemented in a subclass to receive custom events. More...

virtual void	disconnectNotify (const char *signal)
	This virtual function is called when something has been disconnected from signal in this object. More...

	QObject (QObjectPrivate &dd, QObject *parent=0)

int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal. More...

QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...

int	senderSignalIndex () const

virtual void	timerEvent (QTimerEvent *)
	This event handler can be reimplemented in a subclass to receive timer events for the object. More...

Protected Variables inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Static Protected Variables inherited from QObject
static const QMetaObject	staticQtMetaObject

Related Functions inherited from QObject
T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QRegExp &regExp)()

T *	qobject_cast (QObject *object)

	QObjectList

void *	qt_find_obj_child (QObject parent, const char type, const QString &name)
	Returns a pointer to the object named name that inherits type and with a given parent. More...

Detailed Description

Warning: This function is not part of the public interface.

Definition at line 184 of file qdeclarativetypeloader_p.h.

Typedefs

◆ ImportDirCache

typedef QHash<QString, StringSet*> QDeclarativeTypeLoader::ImportDirCache

private

Definition at line 212 of file qdeclarativetypeloader_p.h.

◆ ImportQmlDirCache

typedef QHash<QString, QDeclarativeDirParser*> QDeclarativeTypeLoader::ImportQmlDirCache

private

Definition at line 213 of file qdeclarativetypeloader_p.h.

◆ QmldirCache

typedef QHash<QUrl, QDeclarativeQmldirData *> QDeclarativeTypeLoader::QmldirCache

private

Definition at line 210 of file qdeclarativetypeloader_p.h.

◆ ScriptCache

typedef QHash<QUrl, QDeclarativeScriptData *> QDeclarativeTypeLoader::ScriptCache

private

Definition at line 209 of file qdeclarativetypeloader_p.h.

◆ StringSet

typedef QSet<QString> QDeclarativeTypeLoader::StringSet

private

Definition at line 211 of file qdeclarativetypeloader_p.h.

◆ TypeCache

typedef QHash<QUrl, QDeclarativeTypeData *> QDeclarativeTypeLoader::TypeCache

private

Definition at line 208 of file qdeclarativetypeloader_p.h.

Enumerations

◆ Option

enum QDeclarativeTypeLoader::Option

This enum defines the options that control the way type data is handled.

None The default value, indicating that no other options are enabled.
PreserveParser The parser used to handle the type data is preserved after the data has been parsed.

Enumerator
None
PreserveParser

Definition at line 191 of file qdeclarativetypeloader_p.h.

                 {
         None,
         PreserveParser
     };

Constructors and Destructors

◆ QDeclarativeTypeLoader()

QDeclarativeTypeLoader::QDeclarativeTypeLoader ( QDeclarativeEngine * engine )

Constructs a new type loader that uses the given engine.

Definition at line 679 of file qdeclarativetypeloader.cpp.

 : QDeclarativeDataLoader(engine)
 {
 }

◆ ~QDeclarativeTypeLoader()

QDeclarativeTypeLoader::~QDeclarativeTypeLoader ( )

Destroys the type loader, first clearing the cache of any information about loaded files.

Definition at line 688 of file qdeclarativetypeloader.cpp.

 {
     clearCache();
 }

Functions

◆ absoluteFilePath()

QString QDeclarativeTypeLoader::absoluteFilePath ( const QString & path )

Returns the absolute filename of path via a directory cache for files named "qmldir", "*.qml", "*.js" Returns a empty string if the path does not exist.

Definition at line 785 of file qdeclarativetypeloader.cpp.

Referenced by QDeclarativeImportsPrivate::add(), and QDeclarativeImportedNamespace::find_helper().

 {
     if (path.isEmpty())
         return QString();
     if (path.at(0) == QLatin1Char(':')) {
         // qrc resource
         QFileInfo fileInfo(path);
         return fileInfo.isFile() ? fileInfo.absoluteFilePath() : QString();
     }
 #if defined(Q_OS_WIN32) || defined(Q_OS_WINCE) || defined(Q_OS_DARWIN) || defined(Q_OS_SYMBIAN)
     QString lowPath(path.toLower());
 #else
     QString lowPath(path);
 #endif
     int lastSlash = lowPath.lastIndexOf(QLatin1Char('/'));
     QString dirPath = lowPath.left(lastSlash);
 
     StringSet *fileSet = 0;
     QHash<QString,StringSet*>::const_iterator it = m_importDirCache.find(dirPath);
     if (it == m_importDirCache.end()) {
         StringSet *files = qmlFilesInDirectory(path.left(lastSlash));
         m_importDirCache.insert(dirPath, files);
         fileSet = files;
     } else {
         fileSet = *it;
     }
     if (!fileSet)
         return QString();
 
     QString absoluteFilePath = fileSet->contains(QString(lowPath.constData()+lastSlash+1, lowPath.length()-lastSlash-1)) ? path : QString();
     if (absoluteFilePath.length() > 2 && absoluteFilePath.at(0) != QLatin1Char('/') && absoluteFilePath.at(1) != QLatin1Char(':'))
         absoluteFilePath = QFileInfo(absoluteFilePath).absoluteFilePath();
 
     return absoluteFilePath;
 }

◆ clearCache()

void QDeclarativeTypeLoader::clearCache ( )

Definition at line 845 of file qdeclarativetypeloader.cpp.

Referenced by ~QDeclarativeTypeLoader().

 {
     for (TypeCache::Iterator iter = m_typeCache.begin(); iter != m_typeCache.end(); ++iter) 
         (*iter)->release();
     for (ScriptCache::Iterator iter = m_scriptCache.begin(); iter != m_scriptCache.end(); ++iter) 
         (*iter)->release();
     for (QmldirCache::Iterator iter = m_qmldirCache.begin(); iter != m_qmldirCache.end(); ++iter) 
         (*iter)->release();
     qDeleteAll(m_importDirCache);
     qDeleteAll(m_importQmlDirCache);
 
     m_typeCache.clear();
     m_scriptCache.clear();
     m_qmldirCache.clear();
     m_importDirCache.clear();
     m_importQmlDirCache.clear();
 }

◆ get() [1/2]

QDeclarativeTypeData * QDeclarativeTypeLoader::get ( const QUrl & url )

Returns a QDeclarativeTypeData for the specified url.

The QDeclarativeTypeData may be cached.

Definition at line 707 of file qdeclarativetypeloader.cpp.

Referenced by QDeclarativeCompiler::buildDynamicMeta(), QDeclarativeBinding::createBinding(), QDeclarativeDomDocument::load(), QDeclarativeComponent::loadUrl(), QDeclarativeTypeData::resolveTypes(), and QDeclarativeComponent::setData().

 {
     Q_ASSERT(!url.isRelative() && 
             (QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url).isEmpty() || 
              !QDir::isRelativePath(QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url))));
 
     QDeclarativeTypeData *typeData = m_typeCache.value(url);
 
     if (!typeData) {
         typeData = new QDeclarativeTypeData(url, None, this);
         m_typeCache.insert(url, typeData);
         QDeclarativeDataLoader::load(typeData);
     }
 
     typeData->addref();
     return typeData;
 }

◆ get() [2/2]

QDeclarativeTypeData * QDeclarativeTypeLoader::get	(	const QByteArray &	data,
		const QUrl &	url,
		Options	options = `None`
	)

Returns a QDeclarativeTypeData for the given data with the provided base url.

The QDeclarativeTypeData will not be cached.

The specified options control how the loader handles type data.

Definition at line 731 of file qdeclarativetypeloader.cpp.

 {
     QDeclarativeTypeData *typeData = new QDeclarativeTypeData(url, options, this);
     QDeclarativeDataLoader::loadWithStaticData(typeData, data);
     return typeData;
 }

◆ getQmldir()

QDeclarativeQmldirData * QDeclarativeTypeLoader::getQmldir ( const QUrl & url )

Returns a QDeclarativeQmldirData for url.

The QDeclarativeQmldirData may be cached.

Definition at line 762 of file qdeclarativetypeloader.cpp.

Referenced by QDeclarativeTypeData::dataReceived().

 {
     Q_ASSERT(!url.isRelative() && 
             (QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url).isEmpty() || 
              !QDir::isRelativePath(QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url))));
 
     QDeclarativeQmldirData *qmldirData = m_qmldirCache.value(url);
 
     if (!qmldirData) {
         qmldirData = new QDeclarativeQmldirData(url);
         m_qmldirCache.insert(url, qmldirData);
         QDeclarativeDataLoader::load(qmldirData);
     }
 
     qmldirData->addref();
     return qmldirData;
 }

◆ getScript()

QDeclarativeScriptData * QDeclarativeTypeLoader::getScript ( const QUrl & url )

Returns a QDeclarativeScriptData for url.

The QDeclarativeScriptData may be cached.

Definition at line 741 of file qdeclarativetypeloader.cpp.

Referenced by QDeclarativeTypeData::dataReceived().

 {
     Q_ASSERT(!url.isRelative() && 
             (QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url).isEmpty() || 
              !QDir::isRelativePath(QDeclarativeEnginePrivate::urlToLocalFileOrQrc(url))));
 
     QDeclarativeScriptData *scriptData = m_scriptCache.value(url);
 
     if (!scriptData) {
         scriptData = new QDeclarativeScriptData(url);
         m_scriptCache.insert(url, scriptData);
         QDeclarativeDataLoader::load(scriptData);
     }
 
     scriptData->addref();
     return scriptData;
 }

◆ qmlDirParser()

const QDeclarativeDirParser * QDeclarativeTypeLoader::qmlDirParser ( const QString & absoluteFilePath )

Return a QDeclarativeDirParser for absoluteFilePath.

The QDeclarativeDirParser may be cached.

Definition at line 824 of file qdeclarativetypeloader.cpp.

Referenced by QDeclarativeImportsPrivate::importExtension().

 {
     QDeclarativeDirParser *qmldirParser;
     QHash<QString,QDeclarativeDirParser*>::const_iterator it = m_importQmlDirCache.find(absoluteFilePath);
     if (it == m_importQmlDirCache.end()) {
         qmldirParser = new QDeclarativeDirParser;
         qmldirParser->setFileSource(absoluteFilePath);
         qmldirParser->setUrl(QUrl::fromLocalFile(absoluteFilePath));
         qmldirParser->parse();
         m_importQmlDirCache.insert(absoluteFilePath, qmldirParser);
     } else {
         qmldirParser = *it;
     }
 
     return qmldirParser;
 }