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Contents
require 'puppet'
require 'puppet/parser/ast/branch'
class Puppet::Parser::AST
class ComparisonOperator < AST::Branch
attr_accessor :operator, :lval, :rval
# Iterate across all of our children.
def each
[@lval,@rval,@operator].each { |child| yield child }
end
# Returns a boolean which is the result of the boolean operation
# of lval and rval operands
def evaluate(scope)
# evaluate the operands, should return a boolean value
lval = @lval.safeevaluate(scope)
case @operator
when "==","!="
@rval.evaluate_match(lval, scope) ? @operator == '==' : @operator == '!='
else
rval = @rval.safeevaluate(scope)
rval = Puppet::Parser::Scope.number?(rval) || rval
lval = Puppet::Parser::Scope.number?(lval) || lval
lval.send(@operator,rval)
end
end
def initialize(hash)
super
raise ArgumentError, "Invalid comparison operator #{@operator}" unless %w{== != < > <= >=}.include?(@operator)
end
end
end
Version data entries
170 entries across 170 versions & 5 rubygems