+#define TOOLCAP_KEY "tool_capabilities"
+
+void ItemStackMetadata::clear()
+{
+ Metadata::clear();
+ updateToolCapabilities();
+}
+
+static void sanitize_string(std::string &str)
+{
+ str.erase(std::remove(str.begin(), str.end(), DESERIALIZE_START), str.end());
+ str.erase(std::remove(str.begin(), str.end(), DESERIALIZE_KV_DELIM), str.end());
+ str.erase(std::remove(str.begin(), str.end(), DESERIALIZE_PAIR_DELIM), str.end());
+}
+
+bool ItemStackMetadata::setString(const std::string &name, const std::string &var)
+{
+ std::string clean_name = name;
+ std::string clean_var = var;
+ sanitize_string(clean_name);
+ sanitize_string(clean_var);
+
+ bool result = Metadata::setString(clean_name, clean_var);
+ if (clean_name == TOOLCAP_KEY)
+ updateToolCapabilities();
+ return result;
+}
+