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#include "Tree.h"
#include "nodedumper.h"
#include <assert.h>
/*!
Returns the cached string representation of the subtree rootet by \a node.
If node is not cached, the cache will be rebuilt.
*/
const std::string &Tree::getString(const AbstractNode &node) const
{
assert(this->root_node);
if (!this->nodecache.contains(node)) {
NodeDumper dumper(this->nodecache, false);
Traverser trav(dumper, *this->root_node, Traverser::PRE_AND_POSTFIX);
trav.execute();
assert(this->nodecache.contains(*this->root_node) &&
"NodeDumper failed to create a cache");
}
return this->nodecache[node];
}
/*!
Sets a new root. Will clear the existing cache.
*/
void Tree::setRoot(const AbstractNode *root)
{
this->root_node = root;
this->nodecache.clear();
}
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