util.json: Make encode(decode("[]"))=="[]".
--- a/util/json.lua Tue Apr 23 14:49:48 2013 +0200
+++ b/util/json.lua Tue Apr 23 14:41:52 2013 -0400
@@ -18,6 +18,9 @@
local newproxy, getmetatable = newproxy, getmetatable;
local print = print;
+local has_array, array = pcall(require, "util.array");
+local array_mt = hasarray and getmetatable(array()) or {};
+
--module("json")
local json = {};
@@ -165,7 +168,12 @@
elseif t == "string" then
stringsave(o, buffer);
elseif t == "table" then
- tablesave(o, buffer);
+ local mt = getmetatable(o);
+ if mt == array_mt then
+ arraysave(o, buffer);
+ else
+ tablesave(o, buffer);
+ end
elseif t == "boolean" then
t_insert(buffer, (o and "true" or "false"));
else
@@ -237,7 +245,7 @@
local readvalue;
local function readarray()
- local t = {};
+ local t = setmetatable({}, array_mt);
next(); -- skip '['
skipstuff();
if ch == "]" then next(); return t; end