Module:Paramtest: Difference between revisionsGive feedback
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osrsw>Spineweilder No edit summary |
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--[[ | |||
{{Helper module | |||
|name=Paramtest | |||
|fname1 = is_empty(arg) | |||
|ftype1 = String | |||
|fuse1 = Returns true if arg is not defined or contains only whitespace | |||
|fname2 = has_content(arg) | |||
|ftype2 = String | |||
|fuse2 = Returns true if arg exists and does not only contain whitespace | |||
|fname3 = default_to(arg1,arg2) | |||
|ftype3 = String, Any value | |||
|fuse3 = If arg1 exists and does not only contain whitespace, the function returns arg1, otherwise returns arg2 | |||
|fname4 = defaults{ {arg1,arg2},...} | |||
|ftype4 = {String, Any value}... | |||
|fuse4 = Does the same as <code>default_to()</code> run over every table passed; for technical reasons, all <code>nil</code> are replaced with <code>false</code> | |||
}} | |||
--]] | |||
-- | -- | ||
-- Tests basic properties of parameters | -- Tests basic properties of parameters | ||
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function p.is_empty(arg) | function p.is_empty(arg) | ||
return not arg or | return not string.find(arg or '', '%S') | ||
end | end | ||
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-- | -- | ||
function p.default_to( | function p.default_to(arg, default) | ||
if | if string.find(arg or '', '%S') then | ||
return | return arg | ||
else | else | ||
return default | return default | ||
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local ret = {} | local ret = {} | ||
for i, v in ipairs(...) do | for i, v in ipairs(...) do | ||
if v[1] | if string.find(v[1] or '', '%S') then | ||
table.insert(ret,v[1]) | table.insert(ret,v[1]) | ||
else | else | ||