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/*
Minetest
Copyright (C) 2010-2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include "irr_v3d.h"
#include <iostream>
#include <vector>
#include "util/string.h"
class Metadata
{
bool m_modified = false;
public:
virtual ~Metadata() = default;
virtual void clear();
virtual bool empty() const;
bool operator==(const Metadata &other) const;
inline bool operator!=(const Metadata &other) const
{
return !(*this == other);
}
//
// Key-value related
//
size_t size() const;
bool contains(const std::string &name) const;
const std::string &getString(const std::string &name, u16 recursion = 0) const;
bool getStringToRef(const std::string &name, std::string &str, u16 recursion = 0) const;
virtual bool setString(const std::string &name, const std::string &var);
inline bool removeString(const std::string &name) { return setString(name, ""); }
const StringMap &getStrings() const
{
return m_stringvars;
}
// Add support for variable names in values
const std::string &resolveString(const std::string &str, u16 recursion = 0) const;
inline bool isModified() const { return m_modified; }
inline void setModified(bool v) { m_modified = v; }
protected:
StringMap m_stringvars;
};
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