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//-----------------------------------------------------------------------------
/** @file libboardgame_base/TreeReader.h
@author Markus Enzenberger
@copyright GNU General Public License version 3 or later */
//-----------------------------------------------------------------------------
#ifndef LIBBOARDGAME_BASE_TREE_READER_H
#define LIBBOARDGAME_BASE_TREE_READER_H
#include <memory>
#include <stack>
#include "Reader.h"
#include "SgfNode.h"
namespace libboardgame_base {
//-----------------------------------------------------------------------------
class TreeReader
: public Reader
{
public:
void on_begin_tree(bool is_root) override;
void on_end_tree(bool is_root) override;
void on_begin_node(bool is_root) override;
void on_end_node() override;
void on_property(const string& identifier,
const vector<string>& values) override;
const SgfNode& get_tree() const { return *m_root; }
/** Get the tree and transfer the ownership to the caller. */
unique_ptr<SgfNode> move_tree();
private:
SgfNode* m_current = nullptr;
unique_ptr<SgfNode> m_root;
stack<SgfNode*> m_stack;
};
//-----------------------------------------------------------------------------
} // namespace libboardgame_base
#endif // LIBBOARDGAME_BASE_TREE_READER_H
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