BESA® Wiki - User contributions [en]

Module:Yesno

2013-03-03T06:16:13Z

Ori Livneh: Add inline comments

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

Module:Yesno

2013-03-03T05:57:17Z

Ori Livneh: Trim space

local p = {}

function p.yesno( frame )

local retvals = {
yes = "yes",
no = "",
["¬"] = ""
}

local any = false
for k,v in pairs( frame.args ) do
any = true
retvals[k] = v
end

val = frame.args[1]

if (val == nil and not any) or val == '¬' then
return retvals['¬']
end

val = (val or ''):lower()
val = val:match'^%s*(.*%S)' or ''

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

Module:Yesno

2013-02-28T10:40:21Z

Ori Livneh: Ported Template:Yesno to Lua

local p = {}

function p.yesno( frame )

local retvals = {
yes = "yes",
no = "",
["¬"] = ""
}

local any = false
for k,v in pairs( frame.args ) do
any = true
retvals[k] = v
end

val = frame.args[1]

if (val == nil and not any) or val == '¬' then
return retvals['¬']
end

val = (val or ''):lower()

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