minetest/src/itemstackmetadata.cpp

46 lines
1.2 KiB
C++

#include "itemstackmetadata.h"
#include "util/serialize.h"
#include "util/strfnd.h"
#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"
void ItemStackMetadata::serialize(std::ostream &os) const
{
std::ostringstream os2;
os2 << DESERIALIZE_START;
for (StringMap::const_iterator it = m_stringvars.begin(); it != m_stringvars.end();
++it) {
if (!(*it).first.empty() || !(*it).second.empty())
os2 << (*it).first << DESERIALIZE_KV_DELIM
<< (*it).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;
}
}
}