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Class: RDoc::Markup::AttrSpan

Relationships & Source Files
Inherits: Object
Defined in: lib/rdoc/markup/attr_span.rb

Overview

An array of attributes which parallels the characters in a string.

Class Method Summary

Instance Method Summary

Constructor Details

.new(length, exclusive) ⇒ AttrSpan

Creates a new AttrSpan for length characters

[ GitHub ] 

  


# File 'lib/rdoc/markup/attr_span.rb', line 10



def initialize(length, exclusive)
  @attrs = Array.new(length, 0)
  @exclusive = exclusive
end


  







Instance Method Details



  

    #[](n)  
  



  

    

Accesses flags for character n


  



  [ GitHub ]


  

  


# File 'lib/rdoc/markup/attr_span.rb', line 31



def [](n)
  @attrs[n]
end


  








  

    #set_attrs(start, length, bits)  
  



  

    

Toggles bits from start to length


  



  [ GitHub ]


  

  


# File 'lib/rdoc/markup/attr_span.rb', line 17



def set_attrs(start, length, bits)
  updated = false
  for i in start ... (start+length)
    if (@exclusive & @attrs[i]) == 0 || (@exclusive & bits) != 0
      @attrs[i] |= bits
      updated = true
    end
  end
  updated
end