class YamlVault::KeyParser

Public Class Methods

parse(str) click to toggle source
# File lib/yaml_vault/key_parser.rb, line 7
def self.parse(str)
  new.parse(str)
end

Public Instance Methods

parse(str) click to toggle source
# File lib/yaml_vault/key_parser.rb, line 11
def parse(str)
  s = StringScanner.new(str)
  path = []
  until s.eos?
    if token = s.scan(/'(.*?)'/)
      path << s[1]
    elsif token = s.scan(/"(.*?)"/)
      path << s[1]
    elsif token = s.scan(%r{/(.*?)/})
      path << Regexp.new(s[1])
    elsif token = s.scan(/\[(\d+)\]/)
      path << s[1].to_i
    elsif token = s.scan(/:([^\.]+)/)
      path << s[1].to_sym
    elsif token = s.scan(/\./)
      # noop
    elsif token = s.scan(/[^\.]*/)
      path << token
    end
  end

  raise InvalidPathFormat.new("`$` must be at first") unless path.first == "$"

  path
end