Module:Yesno: Difference between revisions

    m>Mr. Stradivarius
    (get arguments from the parent frame if the current frame doesn't have any)
    m>Mr. Stradivarius
    (tweak logic to make it work like the actual template - the documentation was slightly wrong)
    Line 1: Line 1:
    local p = {}
    local p = {}
     
    function p.yesno(frame)
    function p.yesno(frame)
     
         -- defaults
         -- defaults
         local retvals = {
         local retvals = {
    Line 9: Line 9:
             ["¬"] = ""
             ["¬"] = ""
         }
         }
     
         -- Allow arguments to override defaults.
         -- Allow arguments to override defaults.
         -- 'any' tracks the presence of any arguments at all.
         -- 'any' tracks the presence of any arguments at all.
    Line 27: Line 27:
             end
             end
         end     
         end     
     
         val = args[1]
         val = args[1]
     
         -- According to the template docs, the input should be considered nil
         -- First deal with the case if val is nil, then deal with other cases.
        -- only when no params were provided. If any params at all were present,
         if val == nil then
        -- the value must be considered blank. A bit weird, if you ask me.
         if (val == nil and not any) or val == '¬' then
             return retvals['¬']
             return retvals['¬']
         end
         end
     
         val = (val or ''):lower()          -- Coerce to blank if nil; make lowercase.
         val = val:lower()          -- Coerce to blank if nil; make lowercase.
         val = val:match'^%s*(.*%S)' or ''  -- Trim whitespace.
         val = val:match'^%s*(.*%S)' or ''  -- Trim whitespace.
     
         if val == '' then
         if val == '' then
             return retvals['blank'] ~= nil and retvals['blank'] or retvals['no']
             return retvals['blank'] or retvals['no']
         elseif val == 'n' or val == 'no'  or val == '0' then
         elseif val == 'n' or val == 'no'  or val == '0' then
             return retvals['no']
             return retvals['no']
    Line 50: Line 48:
         end
         end
    end
    end
     
    return p
    return p
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