cafe-grader-web Files · node_modules/restructure/src/Bitfield.coffee

cafe-grader-web

Location: cafe-grader-web/node_modules/restructure/src/Bitfield.coffee

Commit Description:

add model solution

Commit Description:

add model solution

References:

r855:ef5cd5528b8d algo

File last commit:

r789:8cd7e8db7e38 default

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                    node_modules/restructure/src/Bitfield.coffee
                
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      class Bitfield

        constructor: (@type, @flags = []) ->

        decode: (stream) ->

          val = @type.decode(stream)

          res = {}

          for flag, i in @flags when flag?

            res[flag] = !!(val & (1 << i))

          return res

        size: ->

          @type.size()

        encode: (stream, keys) ->

          val = 0

          for flag, i in @flags when flag?

            val |= (1 << i) if keys[flag]

          @type.encode(stream, val)

      module.exports = Bitfield

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				class Bitfield
				constructor: (@type, @flags = []) ->
				decode: (stream) ->
				val = @type.decode(stream)

				res = {}
				for flag, i in @flags when flag?
				res[flag] = !!(val & (1 << i))

				return res

				size: ->
				@type.size()

				encode: (stream, keys) ->
				val = 0
				for flag, i in @flags when flag?
				val \|= (1 << i) if keys[flag]

				@type.encode(stream, val)

				module.exports = Bitfield