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33 lines
No EOL
1 KiB
Lua
33 lines
No EOL
1 KiB
Lua
--- Assemblages
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-- Container for registered Assemblages
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local PATH = (...):gsub('%.[^%.]+$', '')
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local Type = require(PATH..".type")
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local Assemblages = {}
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--- Registers an Assemblage.
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-- @param name Name to register under
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-- @param assemblage Assemblage to register
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function Assemblages.register(name, assemblage)
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if (type(name) ~= "string") then
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error("bad argument #1 to 'Assemblages.register' (string expected, got "..type(name)..")", 3)
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end
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if (not Type.isAssemblage(assemblage)) then
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error("bad argument #2 to 'Assemblages.register' (assemblage expected, got "..type(assemblage)..")", 3)
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end
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if (rawget(Assemblages, name)) then
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error("bad argument #2 to 'Assemblages.register' (Assemblage with name '"..name.."' was already registerd)", 3)
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end
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Assemblages[name] = assemblage
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end
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return setmetatable(Assemblages, {
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__index = function(_, name)
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error("Attempt to index assemblage '"..tostring(name).."' that does not exist / was not registered", 2)
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end
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}) |