ImageDataCache::Ptr ImageDataCachePrivate::lookup(ImageDataMetadata::Ptr metadata)
{
if (cache.contains(metadata)) {
WeakPtr weakPtr = cache[metadata];
ImageDataCache::Ptr ptr = weakPtr.toStrongRef();
if (ptr.isNull()) {
cache.remove(metadata);
} else {
return ptr;
}
}
ImageDataCache::Ptr ptr(new ImageDataCache::CacheEntry());
cache.insert(metadata, ptr.toWeakRef());
return ptr;
}
const SymbolPath SymbolNode::getSymPath() const
{
SymbolPath path;
const SymbolNode* curNode = this;
for (WeakPtr wpParent = m_parent; !wpParent.isNull();)
{
Ptr pParent = wpParent.toStrongRef();
for (ConstChildIterator pChild = pParent->childConstBegin();
pChild != pParent->childConstEnd(); ++pChild)
{
if (pChild.value().data() == curNode)
{
path.addParentSymbol(pChild.key());
break;
}
}
wpParent = pParent->m_parent;
}
return path;
}
