Class: Cucumber::Ast::Tags

Inherits:
Object show all
Defined in:
lib/cucumber/ast/tags.rb

Overview

Holds the names of tags parsed from a feature file:

@invoice @release_2

This gets stored internally as ["invoice", "release_2"]

Constant Summary collapse

EXCLUDE_PATTERN = 
/^~/

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(line, tag_names) ⇒ Tags

Returns a new instance of Tags.



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# File 'lib/cucumber/ast/tags.rb', line 41

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

Instance Attribute Details

#tag_names ⇒ Object (readonly)

Returns the value of attribute tag_names.



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# File 'lib/cucumber/ast/tags.rb', line 39

def tag_names
  @tag_names
end

Class Method Details

.exclude_tag?(tag_name) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cucumber/ast/tags.rb', line 20

def exclude_tag?(tag_name)
  tag_name =~ EXCLUDE_PATTERN
end

.matches?(source_tag_names, tag_names) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cucumber/ast/tags.rb', line 13

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

Instance Method Details

#accept(visitor) ⇒ Object 



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# File 'lib/cucumber/ast/tags.rb', line 45

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

#accept_hook?(hook) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cucumber/ast/tags.rb', line 52

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

#count(tag) ⇒ Object 



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# File 'lib/cucumber/ast/tags.rb', line 56

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

#to_sexp ⇒ Object 



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# File 'lib/cucumber/ast/tags.rb', line 66

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