Method ReverseLookupTreeDependency

src/network/network_content.cpp:934–950

* Reverse lookup the dependencies of all parents over a given child. * @param tree list to store all parents in (is not cleared) * @param child the child to search the parents' dependencies for */

 * @param child the child to search the parents' dependencies for
 */
void ClientNetworkContentSocketHandler::ReverseLookupTreeDependency(ConstContentVector &tree, const ContentInfo *child) const
{
	tree.push_back(child);

	/* First find all direct parents. We can't use the "normal" iterator as
	 * we are including stuff into the vector and as such the vector's data
	 * store can be reallocated (and thus move), which means our iterating
	 * pointer gets invalid. So fall back to the indices. */
	for (size_t i = 0; i < tree.size(); i++) {
		ConstContentVector parents;
		this->ReverseLookupDependency(parents, *tree[i]);

		for (const ContentInfo *ci : parents) {
			include(tree, ci);
		}
	}
}

/**
 * Check the dependencies (recursively) of this content info