Node highlighting.

[oweals/minetest.git] / src / nodemetadata.cpp

diff --git a/src/nodemetadata.cpp b/src/nodemetadata.cpp
index 0b63d7779c6fe56d2946c50d393aadb86e68f2e7..4cdd61767df889cc39b6f82ca7291fb49226285d 100644 (file)
--- 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;
+}
+