51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
-#ifndef METADATA_HEADER
-#define METADATA_HEADER
+#pragma once
#include "irr_v3d.h"
#include <iostream>
#include <vector>
#include "util/string.h"
-/*
- NodeMetadata stores arbitary amounts of data for special blocks.
- Used for furnaces, chests and signs.
-
- There are two interaction methods: inventory menu and text input.
- Only one can be used for a single metadata, thus only inventory OR
- text input should exist in a metadata.
-*/
-
-class Inventory;
-class IItemDefManager;
-
class Metadata
{
+ bool m_modified = false;
public:
- void clear();
- bool empty() const;
-
- // Generic key/value store
- std::string getString(const std::string &name, u16 recursion = 0) const;
- void setString(const std::string &name, const std::string &var);
- // Support variable names in values
- std::string resolveString(const std::string &str, u16 recursion = 0) const;
+ 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;
}
-private:
+ // 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;
};
-
-#endif