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https://github.com/sbrl/Minetest-WorldEditAdditions.git
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removed key_instance
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@ -32,7 +32,7 @@ describe("parse_axes", function()
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it("should work on directions and their abriviations", function()
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local minv, maxv = parse_axes({
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"l", "3", -- +z
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"-r", "-3", -- +z
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"-right", "-3", -- +z
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"b", "-10", -- -x
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}, facing_dirs.x_pos)
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assert.is.truthy(minv)
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@ -1,91 +0,0 @@
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--- A container for transmitting (axis table, sign) or (dir, sign) pairs
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-- and other data within parsing functions.
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-- @internal
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-- @class worldeditadditions_core.parse.key_instance
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local key_instance = {}
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key_instance.__index = key_instance
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key_instance.__name = "Key Instance"
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-- Allowed values for "type" field
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local types = {
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err = true, rev = true,
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axis = true, dir = true,
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replace = {
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error = "err",
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axes = "axis",
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},
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}
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-- Simple function for putting stuff in quotes
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local function enquote(take)
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if type(take) == "string" then
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return '"'..take..'"'
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else return tostring(take) end
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end
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--- Creates a new Key Instance.
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-- This is a table with a "type" string, an entry string or table
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-- and an optional signed integer (or code number in the case of errors)
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-- @param: type: String: Key type (axis, dir(ection), rev (mirroring) or error).
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-- @param: entry: String: The main content of the key.
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-- @param: sign: Int: The signed multiplier of the key (if any).
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-- @return: Key Instance: The new Key Instance.
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function key_instance.new(type,entry,sign)
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if types.replace[type] then
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type = types.replace[type]
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elseif not types[type] then
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return key_instance.new("err",
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"Key Instance internal error: Invalid type "..enquote(type)..".",
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500)
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end
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local tbl = {type = type, entry = entry}
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if sign and sign ~= 0 then
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if type == "err" then tbl.code = sign
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else tbl.sign = sign end
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end
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return setmetatable(tbl, key_instance)
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end
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--- Checks if Key Instance "entry" field is a table.
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-- @param: tbl: Key Instance: The Key Instance to check.
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-- @return: Bool: Returns true if Key Instance has a non 0 sign value.
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function key_instance.entry_table(a)
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if type(a.entry) == "table" then
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return true
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else return false end
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end
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--- Checks if Key Instance has a signed multiplier.
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-- @param: tbl: Key Instance: The Key Instance to check.
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-- @return: Bool: Returns true if Key Instance has a non 0 sign value.
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function key_instance.has_sign(a)
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if not a.sign or a.sign == 0 then
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return false
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else return true end
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end
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--- Checks if Key Instance is an error.
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-- @param: tbl: Key Instance: The Key Instance to check.
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-- @return: Bool: Returns true if Key Instance is an error.
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function key_instance.is_error(a)
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if a.type == "err" then return true
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else return false end
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end
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function key_instance.__tostring(a)
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local ret = "{type = "..enquote(a.type)..", entry = "
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if type(a.entry) == "table" and #a.entry <= 3 then
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ret = ret.."{"
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for _i,v in ipairs(a.entry) do
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ret = ret..enquote(v)..", "
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end
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ret = ret:sub(1,-3).."}"
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else ret = ret..enquote(a.entry) end
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if a:is_error() and a.code then ret = ret..", code = "..a.code.."}"
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elseif a:has_sign() then ret = ret..", sign = "..a.sign.."}"
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else ret = ret.."}" end
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return ret
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end
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return key_instance
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