class EPUB::CFI::Location
{Location} indicates a point in an EPUB
Publication.
Attributes
paths[R]
Public Class Methods
from_parent_and_subpath(parent_path, subpath)
click to toggle source
# File lib/epub/cfi.rb, line 39 def from_parent_and_subpath(parent_path, subpath) new(resolve_path(parent_path, subpath)) end
new(paths=[])
click to toggle source
# File lib/epub/cfi.rb, line 59 def initialize(paths=[]) @paths = paths end
Private Class Methods
resolve_path(parent_path, subpath)
click to toggle source
# File lib/epub/cfi.rb, line 45 def resolve_path(parent_path, subpath) paths = parent_path.collect(&:dup) return paths unless subpath subpath = subpath.collect(&:dup) offset = subpath.last.offset paths.last.steps.concat subpath.shift.steps paths.concat subpath paths.last.instance_variable_set :@offset, offset paths end
Public Instance Methods
<=>(other)
click to toggle source
# File lib/epub/cfi.rb, line 67 def <=>(other) index = 0 other_paths = other.paths cmp = nil paths.each do |path| other_path = other_paths[index] return 1 unless other_path cmp = path <=> other_path break unless cmp == 0 index += 1 end unless cmp == 0 if cmp == 1 and paths[index].offset and other_paths[index + 1] return nil else return cmp end end return nil if paths.last.offset && other_paths[index] return -1 if other_paths[index] 0 end
initialize_copy(original)
click to toggle source
# File lib/epub/cfi.rb, line 63 def initialize_copy(original) @paths = original.paths.collect(&:dup) end
inspect()
click to toggle source
# File lib/epub/cfi.rb, line 102 def inspect "#<#{self.class}:#{path_string}>" end
join(*other_paths)
click to toggle source
# File lib/epub/cfi.rb, line 106 def join(*other_paths) new_paths = paths.dup other_paths.each do |path| new_paths << path end self.class.new(new_paths) end
path_string()
click to toggle source
# File lib/epub/cfi.rb, line 94 def path_string paths.join('!') end
to_s()
click to toggle source
# File lib/epub/cfi.rb, line 98 def to_s "epubcfi(#{path_string})" end