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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 + "="
unless self.respond_to? method
raise ArgumentError, "%s does not accept %s" % [self.class, param]
end
self.send(method, value)
end
unless self.desc
raise ArgumentError, "You must provide a description for the %s config option" % self.name
end
end
def iscreated
@iscreated = true
end
def iscreated?
if defined?(@iscreated)
return @iscreated
else
return false
end
end
def set?
if defined?(@value) and ! @value.nil?
return true
else
return false
end
end
# short name for the celement
def short=(value)
if value.to_s.length != 1
raise ArgumentError, "Short names can only be one character."
end
@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.
if defined?(@default) and @default
str += "# The default value is '%s'.\n" % @default
end
# 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 = "%s = %s" % [@name, value]
else
line = "# %s = %s" % [@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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