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Contents
require 'puppet/parser/ast/branch'
class Puppet::Parser::AST
# The basic logical structure in Puppet. Supports a list of
# tests and statement arrays.
class CaseStatement < AST::Branch
attr_accessor :test, :options, :default
associates_doc
# Short-curcuit evaluation. Return the value of the statements for
# the first option that matches.
def evaluate(scope)
level = scope.ephemeral_level
value = @test.safeevaluate(scope)
retvalue = nil
found = false
# Iterate across the options looking for a match.
default = nil
@options.each do |option|
option.eachopt do |opt|
return option.safeevaluate(scope) if opt.evaluate_match(value, scope)
end
default = option if option.default?
end
# Unless we found something, look for the default.
return default.safeevaluate(scope) if default
Puppet.debug "No true answers and no default"
return nil
ensure
scope.unset_ephemeral_var(level)
end
def each
[@test,@options].each { |child| yield child }
end
end
end
Version data entries
88 entries across 88 versions & 4 rubygems