From f2aa2c6a986dec47856c49ae5f54fbf3c688e027 Mon Sep 17 00:00:00 2001 From: rubenwardy Date: Tue, 31 Jan 2017 19:49:01 +0000 Subject: Add ItemStack key-value meta storage --- src/itemstackmetadata.cpp | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 src/itemstackmetadata.cpp (limited to 'src/itemstackmetadata.cpp') diff --git a/src/itemstackmetadata.cpp b/src/itemstackmetadata.cpp new file mode 100644 index 000000000..c3d602245 --- /dev/null +++ b/src/itemstackmetadata.cpp @@ -0,0 +1,43 @@ +#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; + } +} -- cgit v1.2.3