path_db.h

/*************************************************************************/
/*  path_db.h                                                            */
/*************************************************************************/
/*                       This file is part of:                           */
/*                           GODOT ENGINE                                */
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/* Copyright (c) 2007-2016 Juan Linietsky, Ariel Manzur.                 */
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/* a copy of this software and associated documentation files (the       */
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/*************************************************************************/
#ifndef PATH_DB_H
#define PATH_DB_H


#include "ustring.h"
#include "string_db.h"
class NodePath {

    struct Data {

        SafeRefCount refcount;
        StringName property;
        Vector<StringName> path;
        Vector<StringName> subpath;
        bool absolute;
    };

    Data *data;
    void unref();
public:

    _FORCE_INLINE_ StringName get_sname() const {

        if (data && data->path.size()==1 && data->subpath.empty() && !data->property) {
            return data->path[0];
        } else {
            return operator String();
        }
    }

    bool is_absolute() const;
    int get_name_count() const;
    StringName get_name(int p_idx) const;
    int get_subname_count() const;
    StringName get_subname(int p_idx) const;
    Vector<StringName> get_names() const;
    Vector<StringName> get_subnames() const;

    NodePath rel_path_to(const NodePath& p_np) const;

    StringName get_property() const;

    NodePath get_parent() const;

    uint32_t hash() const;

    operator String() const;
    bool is_empty() const;

    bool operator==(const NodePath& p_path) const;
    bool operator!=(const NodePath& p_path) const;
    void operator=(const NodePath& p_path);

    void simplify();
    NodePath simplified() const;

    NodePath(const Vector<StringName>& p_path,bool p_absolute,const String& p_property="");
    NodePath(const Vector<StringName>& p_path,const Vector<StringName>& p_subpath,bool p_absolute,const String& p_property="");
    NodePath(const NodePath& p_path);
    NodePath(const String& p_path);
    NodePath();
    ~NodePath();
};

#endif