foreach (const QDeclarativeType *ty, QDeclarativeMetaType::qmlTypes()) {
qmlTypesByCppName[ty->metaObject()->className()].insert(ty);
if (ty->isExtendedType()) {
extensions[ty->typeName()].insert(ty->metaObject()->className());
}
collectReachableMetaObjects(ty, &metas);
}
// Adjust exports of the base object if there are extensions.
// For each export of a base object there can be a single extension object overriding it.
// Example: QDeclarativeGraphicsWidget overrides the QtQuick/QGraphicsWidget export
// of QGraphicsWidget.
foreach (const QByteArray &baseCpp, extensions.keys()) {
QSet<const QDeclarativeType *> baseExports = qmlTypesByCppName.value(baseCpp);
const QSet<QByteArray> extensionCppNames = extensions.value(baseCpp);
foreach (const QByteArray &extensionCppName, extensionCppNames) {
const QSet<const QDeclarativeType *> extensionExports = qmlTypesByCppName.value(extensionCppName);
// remove extension exports from base imports
// unfortunately the QDeclarativeType pointers don't match, so can't use QSet::substract
QSet<const QDeclarativeType *> newBaseExports;
foreach (const QDeclarativeType *baseExport, baseExports) {
bool match = false;
foreach (const QDeclarativeType *extensionExport, extensionExports) {
if (baseExport->qmlTypeName() == extensionExport->qmlTypeName()
&& baseExport->majorVersion() == extensionExport->majorVersion()
&& baseExport->minorVersion() == extensionExport->minorVersion()) {
match = true;
break;
}
collectReachableMetaObjects(ty, &metas);
}
// Adjust ids of extended objects.
// The chain ends up being:
// __extended__.originalname - the base object
// __extension_0_.originalname - first extension
// ..
// __extension_n-2_.originalname - second to last extension
// originalname - last extension
// ### does this actually work for multiple extensions? it seems like the prototypes might be wrong
foreach (const QByteArray &extendedCpp, extensions.keys()) {
cppToId.remove(extendedCpp);
const QByteArray extendedId = convertToId(extendedCpp);
cppToId.insert(extendedCpp, "__extended__." + extendedId);
QSet<QByteArray> extensionCppNames = extensions.value(extendedCpp);
int c = 0;
foreach (const QByteArray &extensionCppName, extensionCppNames) {
if (c != extensionCppNames.size() - 1) {
QByteArray adjustedName = QString("__extension__%1.%2").arg(QString::number(c), QString(extendedId)).toAscii();
cppToId.insert(extensionCppName, adjustedName);
} else {
cppToId.insert(extensionCppName, extendedId);
}
++c;
}
}
// find even more QMetaObjects by instantiating QML types and running
// over the instances
foreach (const QDeclarativeType *ty, QDeclarativeMetaType::qmlTypes()) {