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Contents
# The base class for all of the leaves of the parse trees. These
# basically just have types and values. Both of these parameters
# are simple values, not AST objects.
#
class Puppet::Parser::AST::Leaf < Puppet::Parser::AST
attr_accessor :value, :type
# Return our value.
def evaluate(scope)
@value
end
def match(value)
@value == value
end
def to_s
@value.to_s unless @value.nil?
end
end
# Host names, either fully qualified or just the short name, or even a regex
#
class Puppet::Parser::AST::HostName < Puppet::Parser::AST::Leaf
def initialize(hash)
super
# Note that this is an AST::Regex, not a Regexp
unless @value.is_a?(Regex)
@value = @value.to_s.downcase
if @value =~ /[^-\w.]/
raise Puppet::DevError, "'#{@value}' is not a valid hostname"
end
end
end
# implementing eql? and hash so that when an HostName is stored
# in a hash it has the same hashing properties as the underlying value
def eql?(value)
@value.eql?(value.is_a?(HostName) ? value.value : value)
end
def hash
@value.hash
end
end
class Puppet::Parser::AST::Regex < Puppet::Parser::AST::Leaf
def initialize(hash)
super
# transform value from hash options unless it is already a regular expression
@value = Regexp.new(@value) unless @value.is_a?(Regexp)
end
# we're returning self here to wrap the regexp and to be used in places
# where a string would have been used, without modifying any client code.
# For instance, in many places we have the following code snippet:
# val = @val.safeevaluate(@scope)
# if val.match(otherval)
# ...
# end
# this way, we don't have to modify this test specifically for handling
# regexes.
#
def evaluate(scope)
self
end
def match(value)
@value.match(value)
end
def to_s
"/#{@value.source}/"
end
end
Version data entries
148 entries across 148 versions & 2 rubygems