Class: LazyDir

Inherits:
Array
  • Object
show all
Defined in:
lib/safegem/lazy_dir.rb

Constant Summary collapse

OrigDir = 
Dir

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(method, args, block = nil) ⇒ LazyDir

Returns a new instance of LazyDir.



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# File 'lib/safegem/lazy_dir.rb', line 4

def initialize(method, args, block = nil)
  @method, @args, @block = method, args, block
end

Class Method Details

.method_missing(m, *a, &b) ⇒ Object 



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# File 'lib/safegem/lazy_dir.rb', line 33

def method_missing m, *a, &b
  OrigDir.send m, *a, &b
end

Instance Method Details

#to_a ⇒ Object Also known as: to_ary

this method is meant to be called lazily after the $SAFE has reverted to 0

Raises:

  • (SecurityError) 


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# File 'lib/safegem/lazy_dir.rb', line 9

def to_a
  raise SecurityError  unless %w([] glob).include? @method
  files = OrigDir.send(@method, *@args, &@block)

  # only return files within the current directory
  cur_dir = File.expand_path('.') + File::SEPARATOR
  files.reject do |f|
    File.expand_path(f) !~ %r{^#{cur_dir}}
  end
end

#to_yaml(opts = {}) ⇒ Object 



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# File 'lib/safegem/lazy_dir.rb', line 21

def to_yaml(opts = {})
  to_a.to_yaml(opts)
end