Module: VirtualFS

Defined in:
lib/virtualfs.rb,
lib/virtualfs/dir.rb,
lib/virtualfs/file.rb,
lib/virtualfs/local.rb,
lib/virtualfs/github.rb,
lib/virtualfs/backend.rb,
lib/virtualfs/version.rb,
lib/virtualfs/file_cache.rb,
lib/virtualfs/dalli_cache.rb,
lib/virtualfs/runtime_cache.rb

Defined Under Namespace

Classes: Backend, DalliCache, Dir, File, FileCache, Github, Local, NullCache, RuntimeCache

Constant Summary collapse

VERSION = 
"0.1.5"
@@SELF_RX = 
/(\/|^)\.(\/|$)/
@@PARENT_RX = 
/([^\/.]+\/|^\/?)\.\.(\/|$)/

Class Method Summary collapse

Class Method Details

.realpath(path) ⇒ Object 



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# File 'lib/virtualfs.rb', line 7

def self.realpath(path)
  return nil if path.nil?

  # Remove . dirs
  p = path.gsub @@SELF_RX, '\2'

  # Remove .. dirs
  while p =~ @@PARENT_RX
    p.gsub! @@PARENT_RX, ''
  end

  # Keep a slash at the beginning, remove at the end
  '/' << p.sub(%r{^/+}, '').chomp('/')
end