Class: Backports::StdLib::LoadedFeatures

Inherits:
Object
  • Object
show all
Defined in:
lib/backports/tools/std_lib.rb

Constant Summary collapse

@@our_loads =

Full paths are recorded in $LOADED_FEATURES.

{}

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.mark_as_loaded(feature) ⇒ Object 



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# File 'lib/backports/tools/std_lib.rb', line 20

def self.mark_as_loaded(feature)
  @@our_loads[feature] = true
  # Nothing to do, the full path will be OK
end

Instance Method Details

#include?(feature) ⇒ Boolean

Requested features are recorded in $LOADED_FEATURES

Returns:

  • (Boolean) 


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# File 'lib/backports/tools/std_lib.rb', line 8

def include?(feature)
  return true if @@our_loads[feature]
  # Assume backported features are Ruby libraries (i.e. not C)
  @loaded ||= $LOADED_FEATURES.group_by{|p| File.basename(p, ".rb")}
  if fullpaths = @loaded[File.basename(feature, ".rb")]
    fullpaths.any?{|fullpath|
      base_dir, = fullpath.partition("/#{feature}")
      $LOAD_PATH.include?(base_dir)
    }
  end
end