X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Fnodemetadata.cpp;h=4cdd61767df889cc39b6f82ca7291fb49226285d;hb=58e6d25e033c76dc91aaac18fdeda92ac23fe0e1;hp=0b63d7779c6fe56d2946c50d393aadb86e68f2e7;hpb=c4315a7afafcc9adff945b5e63800340f6c2c008;p=oweals%2Fminetest.git

diff --git a/src/nodemetadata.cpp b/src/nodemetadata.cpp
index 0b63d7779..4cdd61767 100644
--- a/src/nodemetadata.cpp
+++ b/src/nodemetadata.cpp
@@ -1,29 +1,30 @@
 /*
-Minetest-c55
-Copyright (C) 2010-2011 celeron55, Perttu Ahola <celeron55@gmail.com>
+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 General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
+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 General Public License for more details.
+GNU Lesser General Public License for more details.
 
-You should have received a copy of the GNU General Public License along
+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.
 */
 
 #include "nodemetadata.h"
-#include "utility.h"
 #include "exceptions.h"
 #include "gamedef.h"
 #include "inventory.h"
-#include <sstream>
 #include "log.h"
+#include "util/serialize.h"
+#include "constants.h" // MAP_BLOCKSIZE
+#include <sstream>
 
 /*
 	NodeMetadata
@@ -190,3 +191,34 @@ void NodeMetadataList::clear()
 	}
 	m_data.clear();
 }
+
+std::string NodeMetadata::getString(const std::string &name, unsigned short recursion) const
+{
+	std::map<std::string, std::string>::const_iterator it;
+	it = m_stringvars.find(name);
+	if (it == m_stringvars.end()) {
+		return "";
+	}
+	return resolveString(it->second, recursion);
+}
+
+void NodeMetadata::setString(const std::string &name, const std::string &var)
+{
+	if (var.empty()) {
+		m_stringvars.erase(name);
+	} else {
+		m_stringvars[name] = var;
+	}
+}
+
+std::string NodeMetadata::resolveString(const std::string &str, unsigned short recursion) const
+{
+	if (recursion > 1) {
+		return str;
+	}
+	if (str.substr(0, 2) == "${" && str[str.length() - 1] == '}') {
+		return getString(str.substr(2, str.length() - 3), recursion + 1);
+	}
+	return str;
+}
+