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util.json: Make encode(decode("[]"))=="[]".

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This commit is contained in:
Waqas Hussain 2013-04-23 14:41:52 -04:00
parent 5468423a19
commit 8cf79c1fbe
1 changed files with 10 additions and 2 deletions
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12
util/json.lua
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@ -18,6 +18,9 @@ local error = error;
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 @@ function simplesave(o, buffer)
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 @@ function json.decode(json)
local readvalue;
local function readarray()
local t = {};
local t = setmetatable({}, array_mt);
next(); -- skip '['
skipstuff();
if ch == "]" then next(); return t; end