Class: FormKeeper::Constraint::Uint

Inherits:

Base

• Object
• Base
• FormKeeper::Constraint::Uint

Defined in:

lib/formkeeper.rb

Instance Method Summary

• #validate(value, arg) ⇒ Object

Instance Method Details

#validate(value, arg) ⇒ Object

# File 'lib/formkeeper.rb', line 167

def validate(value, arg)
  result = value =~ /^[[:digit:]]+$/
  if result and arg.kind_of?(Hash)
    if arg.has_key?(:gt)
      unless arg[:gt].kind_of?(Fixnum)
        raise ArgumentError.new ':gt should be Fixnum'
      end
      return false unless value.to_i > arg[:gt];
    end
    if arg.has_key?(:gte)
      unless arg[:gte].kind_of?(Fixnum)
        raise ArgumentError.new ':gte should be Fixnum'
      end
      return false unless value.to_i >= arg[:gte];
    end
    if arg.has_key?(:lt)
      unless arg[:lt].kind_of?(Fixnum)
        raise ArgumentError.new ':lt should be Fixnum'
      end
      return false unless value.to_i < arg[:lt];
    end
    if arg.has_key?(:lte)
      unless arg[:lte].kind_of?(Fixnum)
        raise ArgumentError.new ':lte should be Fixnum'
      end
      return false unless value.to_i <= arg[:lte];
    end
    if arg.has_key?(:between)
      unless arg[:between].kind_of?(Range)
        raise ArgumentError.new ':between should be Range'
      end
      return false unless arg[:between].include?(value.to_i);
    end
    true
  else
    result = !result if !arg
    !!result
  end
end