class RDoc::Markup::AttrSpan

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

Public Class Methods

Source

# File lib/rdoc/markup/attr_span.rb, line 10
def initialize(length, exclusive)
  @attrs = Array.new(length, 0)
  @exclusive = exclusive
end

Creates a new AttrSpan for length characters

Public Instance Methods

[] (n)

Source

# File lib/rdoc/markup/attr_span.rb, line 31
def [](n)
  @attrs[n]
end

Accesses flags for character n

set_attrs (start, length, bits)

Source

# 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

Toggles bits from start to length