X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=src%2Fmetadata.h;h=5333f8a9d07470265bd57dcd5580b5bb6166ce8d;hb=32cb9d0828828da3068259c9e0a3c0f5da170439;hp=a96bfc408d20333850da7fb9ff4e24f69b0a3907;hpb=bbdd869d72d7b5aae2994d287f69e1c1d866f4e2;p=dragonfireclient.git

diff --git a/src/metadata.h b/src/metadata.h
index a96bfc408..5333f8a9d 100644
--- a/src/metadata.h
+++ b/src/metadata.h
@@ -17,43 +17,47 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 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