Difference between revisions of "Module:Yesno"

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(edit inaccurate comment)
(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)
 
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     val = type(val) == 'string' and mw.ustring.lower(val) or val -- put in lower case
     -- defaults
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     if not val or val == 'no' or val == 'n' or val == 'false' or tonumber(val) == 0 then
     local retvals = {
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         return false
        yes  = "yes",
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    elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then
        no   = "",
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         return true
        ["¬"] = ""
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    elseif default ~= nil then
    }
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         return default
 
+
    -- Allow arguments to override defaults.
+
    local args;
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    if frame == mw.getCurrentFrame() then
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         -- We're being called via #invoke. If the invoking template passed any args, use
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        -- them. Otherwise, use the args that were passed into the template.
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        args = frame:getParent().args;
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         for k, v in pairs(frame.args) do
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            args = frame.args;
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            break
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         end
+
 
     else
 
     else
        -- We're being called from another module or from the debug console, so assume
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         return true
        -- the args are passed in directly.
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        args = frame;
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    end
+
   
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    for k,v in pairs(args) do
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        retvals[k] = v
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    end
+
 
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    val = args[1]
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    -- First deal with the case if val is nil, then deal with other cases.
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    if val == nil then
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         return retvals['¬']
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    end
+
 
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    val = val:lower()          -- Make lowercase.
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    val = val:match'^%s*(.*%S)' or ''  -- Trim whitespace.
+
 
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    if val == '' then
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        return retvals['blank'] or retvals['no']
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    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
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        return retvals['¬']
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    else
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        return retvals['def'] or retvals['yes']
+
 
     end
 
     end
 
end
 
end
 
return p
 

Revision as of 14:23, 20 September 2013

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

Script error: Lua error: Internal error: The interpreter exited with status 126.

-- This is a simplified, Lua-only replacement for the template {{yesno}}. It provides a consistent
-- interface for users entering boolean or boolean-style input.
return function (val, default)
    val = type(val) == 'string' and mw.ustring.lower(val) or val -- put in lower case
    if not val or val == 'no' or val == 'n' or val == 'false' or tonumber(val) == 0 then
        return false
    elseif val == true or val == 'yes' or val == 'y' or val == 'true' or tonumber(val) == 1 then
        return true
    elseif default ~= nil then
        return default
    else
        return true
    end
end