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DecodeStream = require './DecodeStream'
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class NumberT
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constructor: (@type, @endian = 'BE') ->
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@fn = @type
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unless @type[@type.length - 1] is '8'
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@fn += @endian
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size: ->
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DecodeStream.TYPES[@type]
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decode: (stream) ->
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return stream['read' + @fn]()
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encode: (stream, val) ->
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stream['write' + @fn](val)
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exports.Number = NumberT
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exports.uint8 = new NumberT('UInt8')
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exports.uint16be = exports.uint16 = new NumberT('UInt16', 'BE')
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exports.uint16le = new NumberT('UInt16', 'LE')
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exports.uint24be = exports.uint24 = new NumberT('UInt24', 'BE')
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exports.uint24le = new NumberT('UInt24', 'LE')
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exports.uint32be = exports.uint32 = new NumberT('UInt32', 'BE')
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exports.uint32le = new NumberT('UInt32', 'LE')
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exports.int8 = new NumberT('Int8')
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exports.int16be = exports.int16 = new NumberT('Int16', 'BE')
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exports.int16le = new NumberT('Int16', 'LE')
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exports.int24be = exports.int24 = new NumberT('Int24', 'BE')
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exports.int24le = new NumberT('Int24', 'LE')
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exports.int32be = exports.int32 = new NumberT('Int32', 'BE')
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exports.int32le = new NumberT('Int32', 'LE')
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exports.floatbe = exports.float = new NumberT('Float', 'BE')
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exports.floatle = new NumberT('Float', 'LE')
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exports.doublebe = exports.double = new NumberT('Double', 'BE')
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exports.doublele = new NumberT('Double', 'LE')
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class Fixed extends NumberT
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constructor: (size, endian, fracBits = size >> 1) ->
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super "Int#{size}", endian
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@_point = 1 << fracBits
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decode: (stream) ->
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return super(stream) / @_point
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encode: (stream, val) ->
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super stream, val * @_point | 0
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exports.Fixed = Fixed
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exports.fixed16be = exports.fixed16 = new Fixed(16, 'BE')
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exports.fixed16le = new Fixed(16, 'LE')
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exports.fixed32be = exports.fixed32 =new Fixed(32, 'BE')
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exports.fixed32le = new Fixed(32, 'LE')
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