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# The base element type.
class Puppet::Util::Settings::Setting
attr_accessor :name, :section, :default, :setbycli, :call_on_define
attr_reader :desc, :short
def desc=(value)
@desc = value.gsub(/^\s*/, '')
end
# get the arguments in getopt format
def getopt_args
if short
[["--#{name}", "-#{short}", GetoptLong::REQUIRED_ARGUMENT]]
else
[["--#{name}", GetoptLong::REQUIRED_ARGUMENT]]
end
end
# get the arguments in OptionParser format
def optparse_args
if short
["--#{name}", "-#{short}", desc, :REQUIRED]
else
["--#{name}", desc, :REQUIRED]
end
end
def hook=(block)
meta_def :handle, &block
end
# Create the new element. Pretty much just sets the name.
def initialize(args = {})
unless @settings = args.delete(:settings)
raise ArgumentError.new("You must refer to a settings object")
end
args.each do |param, value|
method = param.to_s + "="
raise ArgumentError, "#{self.class} does not accept #{param}" unless self.respond_to? method
self.send(method, value)
end
raise ArgumentError, "You must provide a description for the #{self.name} config option" unless self.desc
end
def iscreated
@iscreated = true
end
def iscreated?
@iscreated
end
def set?
!!(!@value.nil?)
end
# short name for the celement
def short=(value)
raise ArgumentError, "Short names can only be one character." if value.to_s.length != 1
@short = value.to_s
end
# Convert the object to a config statement.
def to_config
str = @desc.gsub(/^/, "# ") + "\n"
# Add in a statement about the default.
str += "# The default value is '#{@default}'.\n" if @default
# If the value has not been overridden, then print it out commented
# and unconverted, so it's clear that that's the default and how it
# works.
value = @settings.value(self.name)
if value != @default
line = "#{@name} = #{value}"
else
line = "# #{@name} = #{@default}"
end
str += line + "\n"
str.gsub(/^/, " ")
end
# Retrieves the value, or if it's not set, retrieves the default.
def value
@settings.value(self.name)
end
end
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