instance method `key_file_path`

Ruby on Rails 3.0.20

Since v3.0.20 Last seen in v4.2.9 Private

Available in: v3.0.20 v3.1.12 v3.2.22.5 v4.0.13 v4.1.16 v4.2.9

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key_file_path(key)

Translate a key into a file path.

Parameters

key req

Source

# File activesupport/lib/active_support/cache/file_store.rb, line 137
        def key_file_path(key)
          fname = Rack::Utils.escape(key)
          hash = Zlib.adler32(fname)
          hash, dir_1 = hash.divmod(0x1000)
          dir_2 = hash.modulo(0x1000)
          fname_paths = []
          # Make sure file name is < 255 characters so it doesn't exceed file system limits.
          if fname.size <= 255
            fname_paths << fname
          else
            while fname.size <= 255
              fname_path << fname[0, 255]
              fname = fname[255, -1]
            end
          end
          File.join(cache_path, DIR_FORMATTER % dir_1, DIR_FORMATTER % dir_2, *fname_paths)
        end

Defined in activesupport/lib/active_support/cache/file_store.rb line 137 · View on GitHub · Improve this page · Find usages on GitHub

Defined in ActiveSupport::Cache::FileStore

Signature

Parameters