Module:Yesno: Difference between revisions

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m>Mr. Stradivarius
edit inaccurate comment
m>Mr. Stradivarius
change to a simpler Lua-only version
Line 1: Line 1:
local p = {}
-- This is a simplified, Lua-only replacement for the template {{yesno}}. It provides a consistent
 
-- interface for users entering boolean or boolean-style input.
function p.yesno(frame)
return function (val, default)
 
     val = type(val) == 'string' and mw.ustring.lower(val) or val -- put in lower case
     -- defaults
     if not val or val == 'no' or val == 'n' or val == 'false' or tonumber(val) == 0 then
     local retvals = {
         return false
        yes  = "yes",
    elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then
        no   = "",
         return true
        ["¬"] = ""
    elseif default ~= nil then
    }
         return default
 
    -- Allow arguments to override defaults.
    local args;
    if frame == mw.getCurrentFrame() then
         -- We're being called via #invoke. If the invoking template passed any args, use
        -- them. Otherwise, use the args that were passed into the template.
        args = frame:getParent().args;
         for k, v in pairs(frame.args) do
            args = frame.args;
            break
         end
     else
     else
        -- We're being called from another module or from the debug console, so assume
         return true
        -- the args are passed in directly.
        args = frame;
    end
   
    for k,v in pairs(args) do
        retvals[k] = v
    end
 
    val = args[1]
 
    -- First deal with the case if val is nil, then deal with other cases.
    if val == nil then
         return retvals['¬']
    end
 
    val = val:lower()          -- 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 tonumber(val) == 0 then
        return retvals['no']
    elseif val == 'y' or val == 'yes' or tonumber(val) == 1 then
        return retvals['yes']
    elseif val == '¬' then
        return retvals['¬']
    else
        return retvals['def'] or retvals['yes']
     end
     end
end
end
return p
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