parameters: (self, files)
return_statement: return matched
docstring: Given a set of files in this directory, returns all the files that
          match the :class:`Pattern` instances which match this directory.
docstring_summary: Given a set of files in this directory, returns all the files that
          match the :class:`Pattern` instances which match this directory.
docstring_tokens: Given a set of files in this directory returns all the files that match the : class : Pattern instances which match this directory .
function: def match(self, files):
          """Given a set of files in this directory, returns all the files that
          match the :class:`Pattern` instances which match this directory."""
          if not files:
              return set()
  
          if (self.matched_inherit.all_files() or
             self.matched_and_subdir.all_files() or
             self.matched_no_subdir.all_files()):
              # Optimization: one of the matched patterns matches everything
              # So simply return it
              return set(files)
  
          unmatched = set(files)
          matched   = set()
          for pattern_set in self._matching_pattern_sets():
              pattern_set.match_files(matched, unmatched)
              if not unmatched:
                  # Optimization: If we have matched all files already
                  # simply return at this point - nothing else to do
                  break
  
          return matched
function_tokens: def match ( self , files ) : if not files : return set ( ) if ( self . matched_inherit . all_files ( ) or self . matched_and_subdir . all_files ( ) or self . matched_no_subdir . all_files ( ) ) : # Optimization: one of the matched patterns matches everything # So simply return it return set ( files ) unmatched = set ( files ) matched = set ( ) for pattern_set in self . _matching_pattern_sets ( ) : pattern_set . match_files ( matched , unmatched ) if not unmatched : # Optimization: If we have matched all files already # simply return at this point - nothing else to do break return matched