tb_node_ref_tree.h

// ================================================================================
// ==      This file is a part of Turbo Badger. (C) 2011-2014, Emil Segerås      ==
// ==                     See tb_core.h for more information.                    ==
// ================================================================================

#ifndef TB_NODE_REF_TREE_H
#define TB_NODE_REF_TREE_H

#include "tb_linklist.h"
#include "tb_node_tree.h"
#include "tb_id.h"

namespace tb {

class TBNode;
class TBNodeRefTreeListener;

class TBNodeRefTree : public TBLinkOf<TBNodeRefTree>
{
public:
    TBNodeRefTree(const char *name);
    virtual ~TBNodeRefTree();

    const TBStr & GetName() const { return m_name; }
    const TBID &GetNameID() const { return m_name_id; }

    bool ReadFile(const char *filename) { return m_node.ReadFile(filename); }
    void ReadData(const char *data) { m_node.ReadData(data); }

    void AddListener(TBNodeRefTreeListener *listener) { m_listeners.AddLast(listener); }

    void RemoveListener(TBNodeRefTreeListener *listener) { m_listeners.Remove(listener); }

    virtual void SetValue(const char *request, const TBValue &value);

    virtual TBValue &GetValue(const char *request);

    static TBValue &GetValueFromTree(const char *request);

    static TBNodeRefTree *GetRefTree(const char *name, int name_len);

    static void ResolveConditions(TBNode *parent_node);
private:
    friend class TBNode;
    friend class TBNodeTarget;
    static TBNode *FollowNodeRef(TBNode *node);

    void InvokeChangeListenersInternal(const char *request);
    TBNode m_node;
    TBStr m_name;
    TBID m_name_id;
    TBLinkListOf<TBNodeRefTreeListener> m_listeners;
    static TBLinkListOf<TBNodeRefTree> s_ref_trees;
};

class TBNodeRefTreeListener : public TBLinkOf<TBNodeRefTreeListener>
{
public:
    virtual void OnDataChanged(TBNodeRefTree *rt, const char *request) = 0;
};

} // namespace tb

#endif // TB_NODE_REF_TREE_H