Class: SM::Attribute

Inherits:
Object
  • Object
show all
Defined in:
lib/rdoc/markup/simple_markup/inline.rb

Overview

We manage a set of attributes. Each attribute has a symbol name and a bit value

Constant Summary collapse

SPECIAL = 
1
@@name_to_bitmap = 
{ :_SPECIAL_ => SPECIAL }
@@next_bitmap = 
2

Class Method Summary collapse

Class Method Details

.as_string(bitmap) ⇒ Object 



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# File 'lib/rdoc/markup/simple_markup/inline.rb', line 22

def Attribute.as_string(bitmap)
  return "none" if bitmap.zero?
  res = []
  @@name_to_bitmap.each do |name, bit|
    res << name if (bitmap & bit) != 0
  end
  res.join(",")
end

.bitmap_for(name) ⇒ Object 



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# File 'lib/rdoc/markup/simple_markup/inline.rb', line 12

def Attribute.bitmap_for(name)
  bitmap = @@name_to_bitmap[name]
  if !bitmap
    bitmap = @@next_bitmap
    @@next_bitmap <<= 1
    @@name_to_bitmap[name] = bitmap
  end
  bitmap
end

.each_name_of(bitmap) ⇒ Object 



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

def Attribute.each_name_of(bitmap)
  @@name_to_bitmap.each do |name, bit|
    next if bit == SPECIAL
    yield name.to_s if (bitmap & bit) != 0
  end
end