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Implement AreaStore serialization

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This commit is contained in:
ShadowNinja 2015-10-30 19:27:48 -04:00
parent c4b7afed7e
commit 821551a266
6 changed files with 104 additions and 95 deletions
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37
src/script/lua_api/l_areastore.cpp
View file

@ -70,6 +70,22 @@ static inline void push_areas(lua_State *L, const std::vector<Area *> &areas,
}
}
// Deserializes value and handles errors
static int deserialization_helper(lua_State *L, AreaStore *as,
std::istream &is)
{
try {
as->deserialize(is);
} catch (const SerializationError &e) {
lua_pushboolean(L, false);
lua_pushstring(L, e.what());
return 2;
}
lua_pushboolean(L, true);
return 1;
}
// garbage collector
int LuaAreaStore::gc_object(lua_State *L)
{
@ -217,17 +233,15 @@ int LuaAreaStore::l_set_cache_params(lua_State *L)
return 0;
}
#if 0
// to_string()
int LuaAreaStore::l_to_string(lua_State *L)
{
NO_MAP_LOCK_REQUIRED;
LuaAreaStore *o = checkobject(L, 1);
AreaStore *ast = o->as;
std::ostringstream os(std::ios_base::binary);
ast->serialize(os);
o->as->serialize(os);
std::string str = os.str();
lua_pushlstring(L, str.c_str(), str.length());
@ -258,16 +272,12 @@ int LuaAreaStore::l_from_string(lua_State *L)
NO_MAP_LOCK_REQUIRED;
LuaAreaStore *o = checkobject(L, 1);
AreaStore *ast = o->as;
size_t len;
const char *str = luaL_checklstring(L, 2, &len);
std::istringstream is(std::string(str, len), std::ios::binary);
bool success = ast->deserialize(is);
lua_pushboolean(L, success);
return 1;
return deserialization_helper(L, o->as, is);
}
// from_file(filename)
@ -276,18 +286,13 @@ int LuaAreaStore::l_from_file(lua_State *L)
NO_MAP_LOCK_REQUIRED;
LuaAreaStore *o = checkobject(L, 1);
AreaStore *ast = o->as;
const char *filename = luaL_checkstring(L, 2);
CHECK_SECURE_PATH_OPTIONAL(L, filename);
std::ifstream is(filename, std::ios::binary);
bool success = ast->deserialize(is);
lua_pushboolean(L, success);
return 1;
return deserialization_helper(L, o->as, is);
}
#endif
LuaAreaStore::LuaAreaStore()
{
@ -377,9 +382,9 @@ const luaL_reg LuaAreaStore::methods[] = {
luamethod(LuaAreaStore, reserve),
luamethod(LuaAreaStore, remove_area),
luamethod(LuaAreaStore, set_cache_params),
/* luamethod(LuaAreaStore, to_string),
luamethod(LuaAreaStore, to_string),
luamethod(LuaAreaStore, to_file),
luamethod(LuaAreaStore, from_string),
luamethod(LuaAreaStore, from_file),*/
luamethod(LuaAreaStore, from_file),
{0,0}
};

4
src/script/lua_api/l_areastore.h
View file

@ -43,11 +43,11 @@ private:
static int l_set_cache_params(lua_State *L);
/* static int l_to_string(lua_State *L);
static int l_to_string(lua_State *L);
static int l_to_file(lua_State *L);
static int l_from_string(lua_State *L);
static int l_from_file(lua_State *L); */
static int l_from_file(lua_State *L);
public:
AreaStore *as;