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Add ItemStack key-value meta storage

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This commit is contained in:
rubenwardy 2017-01-31 19:49:01 +00:00
parent c2e7b1f579
commit f2aa2c6a98
21 changed files with 459 additions and 123 deletions
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43
src/itemstackmetadata.cpp Normal file
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#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) {
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() && 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;
}
}