Module: Treebis::DirAsHash

Included in:
Test::TestCase
Defined in:
lib/treebis.rb

Defined Under Namespace

Classes: Blacklist

Class Method Summary collapse

Class Method Details

.dir_as_hash(path, opts = {}) ⇒ Object

Return an entire filsystem node as a hash whose files are represented as strings holding the contents of the file and whose folders are other such hashes. The hash element keys are the entry strings. Careful! the only real use for this so far is in testing.



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# File 'lib/treebis.rb', line 141

def dir_as_hash path, opts={}
  blacklist = Blacklist.get(opts[:skip])
  list1 = Dir.new(path).each.map.reject{ |x|
    0==x.index('.') || blacklist.include?(x)
  }
  list2 = list1.map{ |entry|
    p = path + '/' + entry
    [ entry, File.directory?(p) ?
      dir_as_hash(p, :skip=>blacklist.submatcher(entry)) : File.read(p) ]
  }
  Hash[ list2 ]
end

.hash_to_dir(hash, path, file_utils = FileUtils) ⇒ Object 



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# File 'lib/treebis.rb', line 155

def hash_to_dir hash, path, file_utils=FileUtils
  fail("must not exist: #{path}") if File.exist? path
  file_utils.mkdir_p(path,:verbose=>true)
  hash.each do |k,v|
    path2 = File.join(path, k)
    case v
    when String
      File.open(path2, 'w'){|fh| fh.write(v)}
    when Hash
      hash_to_dir(v, path2, file_utils)
    else
      fail("bad type for dir hash: #{v.inspect}")
    end
  end
  true
end