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require 'puppet/parser/ast/branch'
class Puppet::Parser::AST
# Each individual option in a case statement.
class CaseOpt < AST::Branch
attr_accessor :value, :statements
# CaseOpt is a bit special -- we just want the value first,
# so that CaseStatement can compare, and then it will selectively
# decide whether to fully evaluate this option
def each
[@value,@statements].each { |child| yield child }
end
# Are we the default option?
def default?
# Cache the @default value.
if defined? @default
return @default
end
if @value.is_a?(AST::ASTArray)
@value.each { |subval|
if subval.is_a?(AST::Default)
@default = true
break
end
}
else
if @value.is_a?(AST::Default)
@default = true
end
end
unless defined? @default
@default = false
end
return @default
end
# You can specify a list of values; return each in turn.
def eachvalue(scope)
if @value.is_a?(AST::ASTArray)
@value.each { |subval|
yield subval.safeevaluate(scope)
}
else
yield @value.safeevaluate(scope)
end
end
def eachopt
if @value.is_a?(AST::ASTArray)
@value.each { |subval|
yield subval
}
else
yield @value
end
end
# Evaluate the actual statements; this only gets called if
# our option matched.
def evaluate(scope)
return @statements.safeevaluate(scope)
end
end
end
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