// get_inventory(self)
int NodeMetaRef::l_get_inventory(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
getmeta(ref, true); // try to ensure the metadata exists
InvRef::createNodeMeta(L, ref->m_p);
return 1;
}
// get_string(self, name)
int NodeMetaRef::l_get_string(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
std::string name = luaL_checkstring(L, 2);
NodeMetadata *meta = getmeta(ref, false);
if(meta == NULL){
lua_pushlstring(L, "", 0);
return 1;
}
std::string str = meta->getString(name);
lua_pushlstring(L, str.c_str(), str.size());
return 1;
}
// get_float(self, name)
int NodeMetaRef::l_get_float(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
std::string name = lua_tostring(L, 2);
NodeMetadata *meta = getmeta(ref, false);
if(meta == NULL){
lua_pushnumber(L, 0);
return 1;
}
std::string str = meta->getString(name);
lua_pushnumber(L, stof(str));
return 1;
}
// set_float(self, name, var)
int NodeMetaRef::l_set_float(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
std::string name = lua_tostring(L, 2);
float a = lua_tonumber(L, 3);
std::string str = ftos(a);
NodeMetadata *meta = getmeta(ref, true);
if(meta == NULL || str == meta->getString(name))
return 0;
meta->setString(name, str);
reportMetadataChange(ref);
return 0;
}
// from_table(self, table)
int NodeMetaRef::l_from_table(lua_State *L)
{
MAP_LOCK_REQUIRED;
NodeMetaRef *ref = checkobject(L, 1);
int base = 2;
// clear old metadata first
ref->m_env->getMap().removeNodeMetadata(ref->m_p);
if(lua_isnil(L, base)){
// No metadata
lua_pushboolean(L, true);
return 1;
}
// Create new metadata
NodeMetadata *meta = getmeta(ref, true);
if(meta == NULL){
lua_pushboolean(L, false);
return 1;
}
// Set fields
lua_getfield(L, base, "fields");
int fieldstable = lua_gettop(L);
lua_pushnil(L);
while(lua_next(L, fieldstable) != 0){
// key at index -2 and value at index -1
std::string name = lua_tostring(L, -2);
size_t cl;
const char *cs = lua_tolstring(L, -1, &cl);
std::string value(cs, cl);
meta->setString(name, value);
lua_pop(L, 1); // removes value, keeps key for next iteration
}
// Set inventory
Inventory *inv = meta->getInventory();
lua_getfield(L, base, "inventory");
int inventorytable = lua_gettop(L);
lua_pushnil(L);
while(lua_next(L, inventorytable) != 0){
// key at index -2 and value at index -1
std::string name = lua_tostring(L, -2);
read_inventory_list(L, -1, inv, name.c_str(), getServer(L));
lua_pop(L, 1); // removes value, keeps key for next iteration
}
reportMetadataChange(ref);
lua_pushboolean(L, true);
return 1;
}
afs_int32
util_GetInt64(char *as, afs_int64 * aval)
{
afs_int64 total;
int tc;
int base;
int negative;
total = 0; /* initialize things */
negative = 0;
/* skip over leading spaces */
while ((tc = *as)) {
if (tc != ' ' && tc != '\t')
break;
}
/* compute sign */
if (*as == '-') {
negative = 1;
as++; /* skip over character */
}
/* compute the base */
if (*as == '0') {
as++;
if (*as == 'x' || *as == 'X') {
base = 16;
as++;
} else
base = 8;
} else
base = 10;
/* compute the # itself */
while ((tc = *as)) {
if (!ismeta(tc, base))
return -1;
total *= base;
total += getmeta(tc);
as++;
}
if (negative)
*aval = -total;
else
*aval = total;
return 0;
}
// set_string(self, name, var)
int NodeMetaRef::l_set_string(lua_State *L)
{
NodeMetaRef *ref = checkobject(L, 1);
std::string name = luaL_checkstring(L, 2);
size_t len = 0;
const char *s = lua_tolstring(L, 3, &len);
std::string str(s, len);
NodeMetadata *meta = getmeta(ref, !str.empty());
if(meta == NULL || str == meta->getString(name))
return 0;
meta->setString(name, str);
reportMetadataChange(ref);
return 0;
}
// set_int(self, name, var)
int NodeMetaRef::l_set_int(lua_State *L)
{
MAP_LOCK_REQUIRED;
NodeMetaRef *ref = checkobject(L, 1);
std::string name = lua_tostring(L, 2);
int a = lua_tointeger(L, 3);
std::string str = itos(a);
NodeMetadata *meta = getmeta(ref, true);
if(meta == NULL || str == meta->getString(name))
return 0;
meta->setString(name, str);
reportMetadataChange(ref);
return 0;
}
// to_table(self)
int NodeMetaRef::l_to_table(lua_State *L)
{
MAP_LOCK_REQUIRED;
NodeMetaRef *ref = checkobject(L, 1);
NodeMetadata *meta = getmeta(ref, true);
if (meta == NULL) {
lua_pushnil(L);
return 1;
}
lua_newtable(L);
// fields
lua_newtable(L);
{
StringMap fields = meta->getStrings();
for (StringMap::const_iterator
it = fields.begin(); it != fields.end(); ++it) {
const std::string &name = it->first;
const std::string &value = it->second;
lua_pushlstring(L, name.c_str(), name.size());
lua_pushlstring(L, value.c_str(), value.size());
lua_settable(L, -3);
}
}
lua_setfield(L, -2, "fields");
// inventory
lua_newtable(L);
Inventory *inv = meta->getInventory();
if (inv) {
std::vector<const InventoryList *> lists = inv->getLists();
for(std::vector<const InventoryList *>::const_iterator
i = lists.begin(); i != lists.end(); i++) {
push_inventory_list(L, inv, (*i)->getName().c_str());
lua_setfield(L, -2, (*i)->getName().c_str());
}
}
lua_setfield(L, -2, "inventory");
return 1;
}
afs_uint32
util_GetUInt64(char *as, afs_uint64 * aval)
{
afs_uint64 total;
int tc;
int base;
total = 0; /* initialize things */
/* skip over leading spaces */
while ((tc = *as)) {
if (tc != ' ' && tc != '\t')
break;
}
/* compute the base */
if (*as == '0') {
as++;
if (*as == 'x' || *as == 'X') {
base = 16;
as++;
} else
base = 8;
} else
base = 10;
/* compute the # itself */
while ((tc = *as)) {
if (!ismeta(tc, base))
return -1;
total *= base;
total += getmeta(tc);
as++;
}
*aval = total;
return 0;
}
