Function console_command_suggest

src/lua/lua_environment.cpp:778–898

}

static void console_command_suggest(ConsoleServer &cs, u32 client_id, const char *json, void *user_data)
{
	TempAllocator4096 ta;
	JsonObject obj(ta);
	DynamicString expr(ta);
	DynamicString token(ta);
	DynamicString table_path(ta);
	DynamicString key_prefix(ta);
	DynamicString table_prefix(ta);
	s32 request_id;
	StringStream ss(ta);

	sjson::parse(obj, json);
	sjson::parse_verbatim(expr, obj["expr"]);
	const s32 requested_limit = json_object::has(obj, "limit")
		? sjson::parse_int(obj["limit"])
		: 1000
		;
	const s32 max_emitted = max(0, requested_limit);
	request_id = sjson::parse_int(obj["id"]);

	// Extract the identifier token at the end of the typed expression.
	const char *str = expr.c_str();
	const u32 len = strlen32(str);
	u32 token_start = len;
	while (token_start > 0 && is_lua_identifier_char(str[token_start - 1]))
		--token_start;

	token = "";
	table_path = "";
	key_prefix = "";
	if (token_start < len)
		token += str + token_start;

	// Split token into table path and key prefix for completion filtering.
	if (token.length() > 0) {
		const char *dot = strrchr(token.c_str(), '.');
		if (dot != NULL) {
			table_path.set(token.c_str(), u32(dot - token.c_str()));
			key_prefix += dot + 1;
		} else {
			key_prefix += token.c_str();
		}
	}

	// Start response and resolve the target table from the dotted path.
	lua_State *L = ((LuaEnvironment *)user_data)->L;
	ss << "{\"type\":\"expr_suggestions\",\"id\":";
	ss << request_id;
	ss << ",\"items\":[";
	if (token.length() == 0 || !resolve_lua_table(table_prefix, L, table_path.c_str())) {
		ss << "]}";
		cs.send(client_id, string_stream::c_str(ss));
		return;
	}

	bool first = true;
	const char *prefix = key_prefix.c_str();