class Cucumber::Ast::Tags

:nodoc:
This gets stored internally as ["invoice", "release_2"]
@invoice @release_2
Holds the names of tags parsed from a feature file:

def accept(visitor) 

def accept(visitor)
  return if $cucumber_interrupted
  @tag_names.each do |tag_name|
    visitor.visit_tag_name(tag_name)
  end
end

def accept_hook?(hook) 

def accept_hook?(hook)
  self.class.matches?(@tag_names, hook.tag_names)
end

def check_at_sign_prefix(tag_names) 

def check_at_sign_prefix(tag_names)
  tag_names.each{|tag_name| raise "Tag names must start with an @ sign. The following tag name didn't: #{tag_name}" unless tag_name[0..0] == '@'}
end

def count(tag) 

def count(tag)
  # See discussion:
  # http://github.com/weplay/cucumber/commit/2dc592acdf3f7c1a0c333a8164649936bb82d983
  if @tag_names.respond_to?(:count) && @tag_names.method(:count).arity > 0
    @tag_names.count(tag) # 1.9
  else
    @tag_names.select{|t| t == tag}.length  # 1.8
  end
end

def exclude_tag?(tag_name) 

def exclude_tag?(tag_name)
  tag_name =~ EXCLUDE_PATTERN
end

def excluded?(source_tag_names, query_tag_names) 

def excluded?(source_tag_names, query_tag_names)
  source_tag_names.any? && (source_tag_names & query_tag_names).any?
end

def included?(source_tag_names, query_tag_names) 

def included?(source_tag_names, query_tag_names)
  query_tag_names.empty? || (source_tag_names & query_tag_names).any?
end

def initialize(line, tag_names) 

def initialize(line, tag_names)
  @line, @tag_names = line, tag_names
end

def matches?(source_tag_names, tag_names) 

def matches?(source_tag_names, tag_names)
  exclude_tag_names, include_tag_names = tag_names.partition{|tag_name| exclude_tag?(tag_name)}
  exclude_tag_names.map!{|name| name[1..-1]}
  check_at_sign_prefix(exclude_tag_names + include_tag_names)
  !excluded?(source_tag_names, exclude_tag_names) && included?(source_tag_names, include_tag_names)
end

def to_sexp 

def to_sexp
  @tag_names.map{|tag_name| [:tag, tag_name]}
end