Class: Trafaret::String

Inherits:
Validator show all
Defined in:
lib/trafaret/validators.rb

Direct Known Subclasses

Email

Instance Attribute Summary

Attributes inherited from Validator

#converters, #options

Instance Method Summary collapse

Methods inherited from Validator

#&, #===, #add, #call, #failure, #initialize, #perform_convert, #to, #|

Constructor Details

This class inherits a constructor from Trafaret::Validator

Instance Method Details

#convert(data) ⇒ Object 



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# File 'lib/trafaret/validators.rb', line 71

def convert(data)
  if data.is_a? MatchData
    data.string
  else
    data
  end
end

#prepare ⇒ Object 



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# File 'lib/trafaret/validators.rb', line 54

def prepare
  @regex = ::Regexp.compile @options[:regex] if @options[:regex]
end

#validate(data) ⇒ Object 



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# File 'lib/trafaret/validators.rb', line 58

def validate(data)
  return failure('Not a String') unless data.is_a? ::String
  return failure('Should not be blank') if !@options[:allow_blank] && data.empty? 
  return failure('Too short') if @options[:min_length] && data.size < @options[:min_length]
  return failure('Too long') if @options[:max_length] && data.size > @options[:max_length]
  if @regex
    match = @regex.match(data)
    return failure('Does not match') unless match
    return match
  end
  data
end