minetest.git - modified minetest for gpcfs purposes

	Commit message (Collapse)	Author	Age
*	Log: Silence errorstream during unittests	kwolekr	2014-12-12
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*	Update Copyright Years	Sfan5	2013-02-24
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*	Change Minetest-c55 to Minetest	PilzAdam	2013-02-24
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*	Switch the license to be LGPLv2/later, with small parts still remaining as ↵	Perttu Ahola	2012-06-05
\| \| \| \|	GPLv2/later, by agreement of major contributors
*	Add better trace peudo-loglevel support	Perttu Ahola	2012-05-20
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*	Add a third log output interface method	Perttu Ahola	2011-11-29
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*	Add log_remove_output and log_deregister_thread	Perttu Ahola	2011-11-29
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*	Initially add small and tight logging facility	Perttu Ahola	2011-10-16

fy 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_PAIR_DELIM '\x03' #define DESERIALIZE_START_STR "\x01" #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::ios_base::binary); os2 << DESERIALIZE_START; for (const auto &stringvar : m_stringvars) { if (!stringvar.first.empty() || !stringvar.second.empty()) os2 << stringvar.first << DESERIALIZE_KV_DELIM << stringvar.second << DESERIALIZE_PAIR_DELIM; } os << serializeJsonStringIfNeeded(os2.str()); } void ItemStackMetadata::deSerialize(std::istream &is) { std::string in = deSerializeJsonStringIfNeeded(is); m_stringvars.clear(); if (!in.empty()) { if (in[0] == DESERIALIZE_START) { Strfnd fnd(in); fnd.to(1); while (!fnd.at_end()) { std::string name = fnd.next(DESERIALIZE_KV_DELIM_STR); std::string var = fnd.next(DESERIALIZE_PAIR_DELIM_STR); m_stringvars[name] = var; } } else { // BACKWARDS COMPATIBILITY 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, ""); }