Module:Util

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Documentation for this module may be created at Module:Util/doc

local p = {}

local g = require("Module:Common")

-- expands a template for each value in a given comma-separated list
function p.mwExpandMulti(frame)
	local frame, args = g.getFrameAndArgs(frame)
	
	local out = ""
	
	if g.isGiven(args.template) and g.isGiven(args.args) then
		for arg in string.gmatch(args.args, "[^,]+") do
			out = out .. frame:expandTemplate{title=args.template, args={arg}}
		end
	end
	
	return out
end

-- returns a string with category definitions for a semicolon-separated list of
-- category names
function p.mwMultiCat(frame)
	local categories = frame.args[1]
	
	local out = ""
	
	if g.isGiven(categories) then
		for cat in string.gmatch(categories, "[^;]+") do
			out = out .. "[[Category:" .. cat .. "]] "
		end
	end
	
	return out
end

-- returns a string with SMW property definitions for a property and a
-- semicolon-separated list of values
function p.mwMultiPropVals(frame)
	local prop = frame.args[1]
	local vals = frame.args[2]
	local excludes = frame.args[3]
	
	local excludeSet = {}
	if g.isGiven(excludes) then
		for val in string.gmatch(vals, "[^;]+") do
			excludeSet[val] = true
		end
	end
	
	local out = ""
	
	if g.isGiven(vals) then
		for val in string.gmatch(vals, "[^;]+") do
			if excludeSet[val] == nil then
				out = out .. g.smwProp(prop, val, "") .. " "
			end
		end
	end
	
	return out
end

return p