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Hornwitser
b43a181bf4
Fix incorrect serialization of control characters to \xHH escapes since JSON only support \uHHHH escapes, and serialization of infinite and NaN numbers.
105 lines
2.4 KiB
Lua
105 lines
2.4 KiB
Lua
local item_types = {
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-- Item categories
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"item",
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"ammo",
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"capsule",
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"gun",
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"item-with-entity-data",
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"item-with-label",
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"item-with-inventory",
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"blueprint-book",
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"item-with-tags",
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"selection-tool",
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"blueprint",
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"deconstruction-item",
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"copy-paste-tool",
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"upgrade-item",
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"module",
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"rail-planner",
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"tool",
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"armor",
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"mining-tool",
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"repair-tool",
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-- Fluids
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"fluid",
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}
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local function is_array(t)
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local count = 0
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for k in pairs(t) do
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if type(k) ~= "number" then
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return false
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end
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count = count + 1
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end
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for i = 1, count do
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if not t[i] then
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return false
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end
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end
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return count ~= 0
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end
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-- no game.table_to_json here :(
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local function table_to_json(data)
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if type(data) == "number" then
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if data == math.huge then return "1e500" end -- Inf is not representable in JSON, but 1e500 will overflow to it.
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if data == -math.huge then return "-1e500" end
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if data ~= data then return "0" end -- NaN is not representable in JSON, treat as 0 instead.
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return string.format("%.17g", data)
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elseif type(data) == "string" then
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data = data:gsub('([\x00-\x1f\\"])', function(match)
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return "\\u00" .. string.format("%02x", match:byte())
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end)
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return '"' .. data .. '"'
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elseif data == nil then
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return "null"
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elseif data == true then
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return "true"
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elseif data == false then
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return "false"
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elseif type(data) == "table" then
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local r
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if is_array(data) then
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r = {"["}
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for i=1, #data do
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r[#r+1] = table_to_json(data[i])
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r[#r+1] = ","
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end
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-- overwrite last comma, empty table is an object
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r[#r] = "]"
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else
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r = {"{"}
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for k, v in pairs(data) do
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r[#r+1] = table_to_json(tostring(k))
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r[#r+1] = ":"
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r[#r+1] = table_to_json(v)
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r[#r+1] = ","
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end
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r[#r + (r[#r] == "," and 0 or 1)] = "}"
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end
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return table.concat(r)
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end
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end
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local function send_json(channel, data)
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data = table_to_json(data)
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print("\f$ipc:" .. channel .. "?j" .. data)
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end
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for _, group in ipairs(item_types) do
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for _, item in pairs(data.raw[group]) do
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send_json("item_export", item)
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end
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end
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