mirror of
https://github.com/sbrl/Minetest-WorldEditAdditions.git
synced 2024-11-30 02:43:00 +00:00
57 lines
2.3 KiB
Lua
57 lines
2.3 KiB
Lua
-- ██ ███ ██ ███████ ██████ ███████ ██████ ████████
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-- ██ ████ ██ ██ ██ ██ ██ ██ ██
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-- ██ ██ ██ ██ ███████ ██████ █████ ██ ██
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-- ██ ██ ██ ██ ██ ██ ██ ██ ██
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-- ██ ██ ████ ███████ ██ ███████ ██████ ██
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---
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-- @module worldeditadditions_core
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--- Serialises an arbitrary value to a string.
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-- Note that although the resulting table *looks* like valid Lua, it isn't.
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-- Completely arbitrarily, if a table (or it's associated metatable) has the
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-- key __name then it is conidered the name of the parent metatable. This can
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-- be useful for identifying custom table-based types.
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-- Should anyone come across a 'proper' way to obtain the name of a metatable
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-- in pure vanilla Lua, I will update this to follow that standard instead.
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-- @param item any Input item to serialise.
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-- @param sep string key value seperator
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-- @param new_line string key value pair delimiter
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-- @return string concatenated table pairs
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local function inspect(item, maxdepth)
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if not maxdepth then maxdepth = 3 end
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if type(item) ~= "table" then
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if type(item) == "string" then return "\""..item.."\"" end
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return tostring(item)
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end
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if maxdepth < 1 then return "[truncated]" end
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local result = { }
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-- Consider our (arbitrarily decided) property __name to the type of this item
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-- Remember that this implicitly checks the metatable so long as __index is set.
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if type(item.__name) == "string" then
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table.insert(result, "("..item.__name..") ")
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end
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table.insert(result, "{\n")
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for key,value in pairs(item) do
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local value_text = inspect(value, maxdepth - 1)
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:gsub("\n", "\n\t")
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table.insert(result, "\t"..tostring(key).." = ".."("..type(value)..") "..value_text.."\n")
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end
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table.insert(result, "}")
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return table.concat(result,"")
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end
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-- local test = {
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-- a = { x = 5, y = 7, z = -6 },
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-- http = {
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-- port = 80,
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-- protocol = "http"
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-- },
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-- mode = "do_stuff",
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-- apple = false,
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-- deepa = { deepb = { deepc = { yay = "Happy Birthday!" } }}
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-- }
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-- print(inspect(test))
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return inspect
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