Method: Cisco::Client.to_regexp

Defined in:
lib/cisco_node_utils/client/utils.rb

.to_regexp(input) ⇒ Object

Helper method for CLI getters

Convert a string or array of strings to a Regexp or array thereof



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# File 'lib/cisco_node_utils/client/utils.rb', line 107

def self.to_regexp(input)
  if input.is_a?(Regexp)
    return input
  elsif input.is_a?(Array)
    return input.map { |item| to_regexp(item) }
  else
    # The string might be explicitly formatted as a regexp
    # Dynamically handle modifiers
    input.match(%r{(?<regex>^\/.*\/)(?<options>[imx]*)?}) do |m|
      options = []
      m['options'].each_char do |c|
        case c
        when 'i'
          options << Regexp::IGNORECASE
        when 'm'
          options << Regexp::MULTILINE
        when 'x'
          options << Regexp::EXTENDED
        end
      end
      return Regexp.new(m['regex'][1..-2], options.reduce(:|))
    end
    # otherwise this value is a regular string
    # convert to case insensitive regex
    # 'foo' => %r{^foo$}i
    return Regexp.new("^#{input}$", Regexp::IGNORECASE)

  end
end