+/*
+Minetest
+Copyright (C) 2017-8 rubenwardy <rw@rubenwardy.com>
+
+This program is free software; you can redistribute it and/or modify
+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 Lesser General Public License for more details.
+
+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 "itemstackmetadata.h"
#include "util/serialize.h"
#include "util/strfnd.h"
+#include <algorithm>
#define DESERIALIZE_START '\x01'
#define DESERIALIZE_KV_DELIM '\x02'
#define DESERIALIZE_KV_DELIM_STR "\x02"
#define DESERIALIZE_PAIR_DELIM_STR "\x03"
+#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;
+}
+
void ItemStackMetadata::serialize(std::ostream &os) const
{
- std::ostringstream os2;
+ std::ostringstream os2(std::ios_base::binary);
os2 << DESERIALIZE_START;
for (const auto &stringvar : m_stringvars) {
if (!stringvar.first.empty() || !stringvar.second.empty())
m_stringvars[""] = in;
}
}
+ updateToolCapabilities();
+}
+
+void ItemStackMetadata::updateToolCapabilities()
+{
+ if (contains(TOOLCAP_KEY)) {
+ toolcaps_overridden = true;
+ toolcaps_override = ToolCapabilities();
+ std::istringstream is(getString(TOOLCAP_KEY));
+ toolcaps_override.deserializeJson(is);
+ } else {
+ toolcaps_overridden = false;
+ }
+}
+
+void ItemStackMetadata::setToolCapabilities(const ToolCapabilities &caps)
+{
+ std::ostringstream os;
+ caps.serializeJson(os);
+ setString(TOOLCAP_KEY, os.str());
+}
+
+void ItemStackMetadata::clearToolCapabilities()
+{
+ setString(TOOLCAP_KEY, "");
}