Show More
Commit Description:
submission report
Commit Description:
submission report
References:
File last commit:
Show/Diff file:
Action:
node_modules/restructure/src/Number.coffee
| 53 lines
| 1.7 KiB
| text/coffeescript
| CoffeeScriptLexer
|
| r789 | DecodeStream = require './DecodeStream' | |||
| class NumberT | ||||
| constructor: (@type, @endian = 'BE') -> | ||||
| @fn = @type | ||||
| unless @type[@type.length - 1] is '8' | ||||
| @fn += @endian | ||||
| size: -> | ||||
| DecodeStream.TYPES[@type] | ||||
| decode: (stream) -> | ||||
| return stream['read' + @fn]() | ||||
| encode: (stream, val) -> | ||||
| stream['write' + @fn](val) | ||||
| exports.Number = NumberT | ||||
| exports.uint8 = new NumberT('UInt8') | ||||
| exports.uint16be = exports.uint16 = new NumberT('UInt16', 'BE') | ||||
| exports.uint16le = new NumberT('UInt16', 'LE') | ||||
| exports.uint24be = exports.uint24 = new NumberT('UInt24', 'BE') | ||||
| exports.uint24le = new NumberT('UInt24', 'LE') | ||||
| exports.uint32be = exports.uint32 = new NumberT('UInt32', 'BE') | ||||
| exports.uint32le = new NumberT('UInt32', 'LE') | ||||
| exports.int8 = new NumberT('Int8') | ||||
| exports.int16be = exports.int16 = new NumberT('Int16', 'BE') | ||||
| exports.int16le = new NumberT('Int16', 'LE') | ||||
| exports.int24be = exports.int24 = new NumberT('Int24', 'BE') | ||||
| exports.int24le = new NumberT('Int24', 'LE') | ||||
| exports.int32be = exports.int32 = new NumberT('Int32', 'BE') | ||||
| exports.int32le = new NumberT('Int32', 'LE') | ||||
| exports.floatbe = exports.float = new NumberT('Float', 'BE') | ||||
| exports.floatle = new NumberT('Float', 'LE') | ||||
| exports.doublebe = exports.double = new NumberT('Double', 'BE') | ||||
| exports.doublele = new NumberT('Double', 'LE') | ||||
| class Fixed extends NumberT | ||||
| constructor: (size, endian, fracBits = size >> 1) -> | ||||
| super "Int#{size}", endian | ||||
| @_point = 1 << fracBits | ||||
| decode: (stream) -> | ||||
| return super(stream) / @_point | ||||
| encode: (stream, val) -> | ||||
| super stream, val * @_point | 0 | ||||
| exports.Fixed = Fixed | ||||
| exports.fixed16be = exports.fixed16 = new Fixed(16, 'BE') | ||||
| exports.fixed16le = new Fixed(16, 'LE') | ||||
| exports.fixed32be = exports.fixed32 =new Fixed(32, 'BE') | ||||
| exports.fixed32le = new Fixed(32, 'LE') | ||||