Difference between revisions of "Yesno"
From Unofficial Stationeers Wiki
(Add inline comments) |
(get arguments from the parent frame if the current frame doesn't have any) |
||
| Line 1: | Line 1: | ||
local p = {} | local p = {} | ||
| − | function p.yesno( frame ) | + | function p.yesno(frame) |
-- defaults | -- defaults | ||
| Line 12: | Line 12: | ||
-- 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. | ||
| + | local args = frame.args | ||
local any = false | local any = false | ||
| − | for k,v in pairs( | + | for k,v in pairs(args) do |
any = true | any = true | ||
retvals[k] = v | retvals[k] = v | ||
end | end | ||
| + | -- If there are no arguments, try and get them from the parent frame. | ||
| + | if any == false then | ||
| + | local pframe = frame:getParent() | ||
| + | args = pframe.args | ||
| + | for k,v in pairs(args) do | ||
| + | any = true | ||
| + | retvals[k] = v | ||
| + | end | ||
| + | end | ||
| − | val = | + | val = args[1] |
-- According to the template docs, the input should be considered nil | -- According to the template docs, the input should be considered nil | ||
Revision as of 02:35, 23 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 args = frame.args
local any = false
for k,v in pairs(args) do
any = true
retvals[k] = v
end
-- If there are no arguments, try and get them from the parent frame.
if any == false then
local pframe = frame:getParent()
args = pframe.args
for k,v in pairs(args) do
any = true
retvals[k] = v
end
end
val = 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