module Puppet::Interface::DocGen

# File lib/puppet/interface/documentation.rb, line 5
def self.strip_whitespace(text)
  text.gsub!(/[ \t\f]+$/, '')

  # We need to identify an indent: the minimum number of whitespace
  # characters at the start of any line in the text.
  #
  # Using split rather than each_line is because the later only takes a
  # block on Ruby 1.8.5 / Centos, and we support that. --daniel 2011-05-03
  indent = text.split(/\n/).map {|x| x.index(/[^\s]/) }.compact.min

  if indent > 0 then
    text.gsub!(/^[ \t\f]{0,#{indent}}/, '')
  end

  return text
end

# File lib/puppet/interface/documentation.rb, line 31
    def attr_doc(name, &validate)
      # Now, which form of the setter do we want, validated or not?
      get_arg = "value.to_s"
      if validate
        define_method(:"_validate_#{name}", validate)
        get_arg = "_validate_#{name}(#{get_arg})"
      end

      # We use module_eval, which I don't like much, because we can't have an
      # argument to a block with a default value in Ruby 1.8, and I don't like
      # the side-effects (eg: no argument count validation) of using blocks
      # without as metheds.  When we are 1.9 only (hah!) you can totally
      # replace this with some up-and-up define_method. --daniel 2011-04-29
      module_eval("        def #{name}(value = nil)
          self.#{name} = value unless value.nil?
          @#{name}
        end

        def #{name}=(value)
          @#{name} = Puppet::Interface::DocGen.strip_whitespace(#{get_arg})
        end
", __FILE__, __LINE__ + 1)
    end