module Obfusk::Util::Valid
Public Class Methods
args(what, args, min, max = min)
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validate args in min..max (min.. if max is nil) @return [Array] args @raise ArgumentError
on out of bounds
# File lib/obfusk/util/valid.rb, line 23 def self.args(what, args, min, max = min) if (l = args.length) < min || (max && l > max) raise ArgumentError, "#{what} expected #{min}..#{max} arguments, got #{l}" end; args end
invalid!(msg)
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@raise ValidationError
# File lib/obfusk/util/valid.rb, line 31 def self.invalid!(msg) raise ValidationError, msg end
validate!(x, rx, name)
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validate value against regex @raise ValidationError
on no match
# File lib/obfusk/util/valid.rb, line 37 def self.validate!(x, rx, name) x.to_s.match(/^(#{rx})$/) or invalid! "invalid #{name}" end