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module Nanoc3

  class Path

    def initialize(str)
      @orig_str = str
    end

    def components
      @components ||= @orig_str.gsub(/^\/+|\/+$/, '').split('/')
    end

    def to_s
      @clean_str ||= ('/' + components.join('/') + '/')
    end

    def inspect
      "<#{self.class}:0x#{self.object_id.to_s(16)} str=#{self.to_s}>"
    end

    def <=>(other)
      self.to_s <=> other.to_s
    end

    def ==(other)
      (self.to_s <=> other.to_s) == 0
    end

    def eql?(other)
      self.class == other.class && self == other
    end

    def hash
      [ self.class, self.to_s ].hash
    end

    def =~(str)
      self == Nanoc3::Path.new(str)
    end

  end

end

puts '*** These should all be /foo/bar/:'
puts Nanoc3::Path.new('/foo/bar/')
puts Nanoc3::Path.new('/foo/bar')
puts Nanoc3::Path.new('foo/bar/')
puts Nanoc3::Path.new('foo/bar')
puts Nanoc3::Path.new('////foo/bar////')
puts

puts '*** These should all be true (Path-Path comparison):'
puts Nanoc3::Path.new('/foo/bar/') == Nanoc3::Path.new('/foo/bar')
puts Nanoc3::Path.new('foo/bar/') == Nanoc3::Path.new('/foo/bar/')
puts

puts '*** These should all be true (Path-String comparison using ==):'
puts Nanoc3::Path.new('/foo/bar/') == '/foo/bar/'
puts

puts '*** These should all be false (Path-String comparison using ==):'
puts Nanoc3::Path.new('/foo/bar/') == 'foo/bar/'
puts Nanoc3::Path.new('/foo/bar/') == '/foo/bar'
puts

puts '*** These should all be true (Path-String comparison using =~):'
puts Nanoc3::Path.new('/foo/bar/') =~ '/foo/bar/'
puts Nanoc3::Path.new('/foo/bar/') =~ '/foo/bar'
puts