Sha256: 5b6fb0efcb97cf0519cb44543e4ad9352b5b0d601c087ccaad47359eb8737f63
Contents?: true
Size: 801 Bytes
Versions: 8
Compression:
Stored size: 801 Bytes
Contents
require 'rhet-butler/yaml-schema'
module RhetButler
class SlideTraverser
def initialize
@iter_stack = []
@target_stack = []
end
attr_reader :iter_stack, :target_stack
def on_group(group)
descend(group, group)
end
def ascend
target_stack.pop
iter_stack.pop
end
def descend(source, dest)
iter_stack.push source.each
target_stack.push dest
end
def traverse
setup
until iter_stack.empty?
begin
item = iter_stack.last.next
case item
when Slide
on_slide(item)
when Includer
on_include(item)
else
on_group(item)
end
rescue StopIteration
ascend
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems