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function p.yesno( frame ) |
function p.yesno( frame ) |
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-- defaults |
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local retvals = { |
local retvals = { |
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yes = "yes", |
yes = "yes", |
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} |
} |
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-- Allow arguments to override defaults. |
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-- 'any' tracks the presence of any arguments at all. |
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local any = false |
local any = false |
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for k,v in pairs( frame.args ) do |
for k,v in pairs( frame.args ) do |
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val = frame.args[1] |
val = frame.args[1] |
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-- According to the template docs, the input should be considered nil |
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-- only when no params were provided. If any params at all were present, |
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-- the value must be considered blank. A bit weird, if you ask me. |
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if (val == nil and not any) or val == '¬' then |
if (val == nil and not any) or val == '¬' then |
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return retvals['¬'] |
return retvals['¬'] |
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end |
end |
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val = (val or ''):lower() |
val = (val or ''):lower() -- Coerce to blank if nil; make lowercase. |
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val = val:match'^%s*(.*%S)' or '' |
val = val:match'^%s*(.*%S)' or '' -- Trim whitespace. |
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if val == '' then |
if val == '' then |
Revision as of 07:16, 3 March 2013
Documentation for this module may be created at Module:Yesno/doc
local p = {}
function p.yesno( frame )
-- defaults
local retvals = {
yes = "yes",
no = "",
["¬"] = ""
}
-- Allow arguments to override defaults.
-- 'any' tracks the presence of any arguments at all.
local any = false
for k,v in pairs( frame.args ) do
any = true
retvals[k] = v
end
val = frame.args[1]
-- According to the template docs, the input should be considered nil
-- only when no params were provided. If any params at all were present,
-- the value must be considered blank. A bit weird, if you ask me.
if (val == nil and not any) or val == '¬' then
return retvals['¬']
end
val = (val or ''):lower() -- Coerce to blank if nil; make lowercase.
val = val:match'^%s*(.*%S)' or '' -- Trim whitespace.
if val == '' then
return retvals['blank'] ~= nil and 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
return p