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# Names a match to influence tree construction.
#
# Example:
#
# str('foo') # will return 'foo',
# str('foo').as(:foo) # will return :foo => 'foo'
#
class Parslet::Atoms::Named < Parslet::Atoms::Base
attr_reader :parslet, :name
def initialize(parslet, name)
super()
@parslet, @name = parslet, name
end
def apply(source, context, consume_all)
success, value = result = parslet.apply(source, context, consume_all)
return result unless success
succ(
produce_return_value(
value))
end
def to_s_inner(prec)
"#{name}:#{parslet.to_s(prec)}"
end
private
def produce_return_value(val)
{ name => flatten(val, true) }
end
end
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