Method: Tree.paths_to_tree

Defined in:

lib/xiki/tree.rb

.paths_to_tree(paths) ⇒ Object

# File 'lib/xiki/tree.rb', line 1718

def self.paths_to_tree paths
  result = ""
  stack = []
  paths.sort.each do |path|   # For each path

    beginning_slash = path =~ /^\//
    ending_slash = path =~ /\/$/
    split = path.sub(/^\//, '').split('/')

    split[0].sub! /^/, '/' if beginning_slash   # Restore beginning slash after split
    split[-1].sub! /$/, '/' if ending_slash   # Restore beginning slash after split

    # put all slashes back first!

    # Pop from stack until path begins with stack
    while(stack.size > 0 && stack != split[0..(stack.size - 1)])
      stack.pop
    end
    indent = stack.length   # Get remainder of path after stack
    remainder = split[indent..-1]
    remainder.each do |dir|
      result << ("  " * indent) + dir
      result << "\n"
      indent += 1
    end
    stack = split
  end
  self.add_pluses_and_minuses result
  result
end