public function createTree()
{
$tree = new Tree();
foreach ($this->entries as $name => $entry) {
$explosion = explode("/", $name);
$blob_name = array_pop($explosion);
$current_tree = $tree;
foreach ($explosion as $subtree_name) {
if (!$current_tree->hasNodeNamed($subtree_name)) {
$subtree = new Tree();
$subtree_node = new TreeNode();
$subtree_node->setTree($subtree);
$subtree_node->setName($subtree_name);
$current_tree->addNode($subtree_node);
}
$node = $current_tree->getNodeNamed($subtree_name);
if (!$node instanceof TreeNode) {
throw new InvalidTypeException("Blob path {$name} specifies another blob as parent tree, which is impossible");
}
$current_tree = $node->getTree();
}
$blob_node = $entry->createBlobNode();
$blob_node->setName($blob_name);
$current_tree->addNode($blob_node);
}
return $tree;
}
