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| -- This module takes positional parameters as input and concatenates them with
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| -- an optional separator. The final separator (the "conjunction") can be
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| -- specified independently, enabling natural-language lists like
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| -- "foo, bar, baz and qux". The starting parameter can also be specified.
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|
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| local compressSparseArray = require('Module:TableTools').compressSparseArray
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| local p = {}
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|
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| function p._main(args)
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| local separator = args.separator
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| -- Decode (convert to Unicode) HTML escape sequences, such as " " for space.
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| and mw.text.decode(args.separator) or ''
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| local conjunction = args.conjunction and mw.text.decode(args.conjunction) or separator
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| -- Discard values before the starting parameter.
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| local start = tonumber(args.start)
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| if start then
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| for i = 1, start - 1 do args[i] = nil end
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| end
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| -- Discard named parameters.
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| local values = compressSparseArray(args)
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| return mw.text.listToText(values, separator, conjunction)
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| end
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|
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| local function makeInvokeFunction(separator, conjunction, first)
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| return function (frame)
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| local args = require('Module:Arguments').getArgs(frame)
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| args.separator = separator or args.separator
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| args.conjunction = conjunction or args.conjunction
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| args.first = first or args.first
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| return p._main(args)
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| end
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| end
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|
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| p.main = makeInvokeFunction()
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| p.br = makeInvokeFunction('<br />')
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| p.comma = makeInvokeFunction(mw.message.new('comma-separator'):plain())
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|
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| return p
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