Class: EPUB::CFI::CharacterOffset

Inherits:

Object

• Object
• EPUB::CFI::CharacterOffset

Defined in:

lib/epub/cfi.rb

Instance Attribute Summary

• #assertion ⇒ Object readonly

  Returns the value of attribute assertion.

• #value ⇒ Object (also: #offset) readonly

  Returns the value of attribute value.

Instance Method Summary

• #<=>(other) ⇒ Object
• #initialize(value, assertion = nil) ⇒ CharacterOffset constructor

  A new instance of CharacterOffset.

• #to_s ⇒ Object

Constructor Details

#initialize(value, assertion = nil) ⇒ CharacterOffset

Returns a new instance of CharacterOffset.

# File 'lib/epub/cfi.rb', line 262

def initialize(value, assertion=nil)
  @value, @assertion = value, assertion
  @string_cache = nil
end

Instance Attribute Details

#assertion ⇒ Object (readonly)

Returns the value of attribute assertion.

# File 'lib/epub/cfi.rb', line 259

def assertion
  @assertion
end

#value ⇒ Object (readonly) Also known as: offset

Returns the value of attribute value.

# File 'lib/epub/cfi.rb', line 259

def value
  @value
end

Instance Method Details

#<=>(other) ⇒ Object

# File 'lib/epub/cfi.rb', line 271

def <=>(other)
  value <=> other.value
end

#to_s ⇒ Object

# File 'lib/epub/cfi.rb', line 267

def to_s
  @string_cache ||= ":#{value}#{assertion}".freeze # need escape?
end