Module:Yesno: Difference between revisions

    From Nonbinary Wiki
    m>Mr. Stradivarius
    (fix logic for the case where the first positional parameter is "¬")
    m (4 revisions imported from templatewiki:Module:Yesno: see Topic:Vtixlm0q28eo6jtf)
     
    (40 intermediate revisions by 20 users not shown)
    Line 1: Line 1:
    local p = {}
    -- Function allowing for consistent treatment of boolean-like wikitext input.
    -- It works similarly to the template {{yesno}}.


    function p.yesno(frame)
    return function (val, default)
     
    -- If your wiki uses non-ascii characters for any of "yes", "no", etc., you
        -- defaults
    -- should replace "val:lower()" with "mw.ustring.lower(val)" in the
        local retvals = {
    -- following line.
            yes  = "yes",
    val = type(val) == 'string' and val:lower() or val
            no   = "",
    if val == nil then
            ["¬"] = ""
    return nil
        }
    elseif val == true  
     
    or val == 'yes'
        -- Allow arguments to override defaults.
    or val == 'y'
        -- 'any' tracks the presence of any arguments at all.
    or val == 'true'
        local args = frame.args
    or val == 't'
        local any = false
    or val == 'on'
        for k,v in pairs(args) do
    or tonumber(val) == 1
            any = true
    then
            retvals[k] = v
    return true
        end
    elseif val == false
        -- If there are no arguments, try and get them from the parent frame.
    or val == 'no'
        if any == false then
    or val == 'n'
            local pframe = frame:getParent()
    or val == 'false'
            args = pframe.args
    or val == 'f'
            for k,v in pairs(args) do
    or val == 'off'
                any = true
    or tonumber(val) == 0
                retvals[k] = v
    then
            end
    return false
        end   
    else
     
    return default
        val = args[1]
    end
     
        -- First deal with the case if val is nil or "¬", then deal with other cases.
        if val == nil or val == '¬' then
            return retvals['¬']
        end
     
        val = val:lower()          -- Coerce to blank if nil; make lowercase.
        val = val:match'^%s*(.*%S)' or ''  -- Trim whitespace.
     
        if val == '' then
            return retvals['blank'] or retvals['no']
        elseif val == 'n' or val == 'no' or val == '0' then
            return retvals['no']
        elseif val == 'y' or val == 'yes' or val == '1' or retvals['def'] == nil then
            return retvals['yes']
        else
            return retvals['def']
        end
    end
    end
    return p

    Latest revision as of 11:37, 21 May 2021

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

    -- Function allowing for consistent treatment of boolean-like wikitext input.
    -- It works similarly to the template {{yesno}}.
    
    return function (val, default)
    	-- If your wiki uses non-ascii characters for any of "yes", "no", etc., you
    	-- should replace "val:lower()" with "mw.ustring.lower(val)" in the
    	-- following line.
    	val = type(val) == 'string' and val:lower() or val
    	if val == nil then
    		return nil
    	elseif val == true 
    		or val == 'yes'
    		or val == 'y'
    		or val == 'true'
    		or val == 't'
    		or val == 'on'
    		or tonumber(val) == 1
    	then
    		return true
    	elseif val == false
    		or val == 'no'
    		or val == 'n'
    		or val == 'false'
    		or val == 'f'
    		or val == 'off'
    		or tonumber(val) == 0
    	then
    		return false
    	else
    		return default
    	end
    end