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Commit Description:
fig bugs in login report
Commit Description:
fig bugs in login report
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node_modules/restructure/src/DecodeStream.coffee
| 67 lines
| 1.4 KiB
| text/coffeescript
| CoffeeScriptLexer
|
| r789 | try iconv = require 'iconv-lite' | |||
| class DecodeStream | ||||
| constructor: (@buffer) -> | ||||
| @pos = 0 | ||||
| @length = @buffer.length | ||||
| @TYPES = | ||||
| UInt8: 1 | ||||
| UInt16: 2 | ||||
| UInt24: 3 | ||||
| UInt32: 4 | ||||
| Int8: 1 | ||||
| Int16: 2 | ||||
| Int24: 3 | ||||
| Int32: 4 | ||||
| Float: 4 | ||||
| Double: 8 | ||||
| for key of Buffer.prototype when key.slice(0, 4) is 'read' | ||||
| do (key) => | ||||
| bytes = @TYPES[key.replace(/read|[BL]E/g, '')] | ||||
| this::[key] = -> | ||||
| ret = @buffer[key](@pos) | ||||
| @pos += bytes | ||||
| return ret | ||||
| readString: (length, encoding = 'ascii') -> | ||||
| switch encoding | ||||
| when 'utf16le', 'ucs2', 'utf8', 'ascii' | ||||
| return @buffer.toString(encoding, @pos, @pos += length) | ||||
| when 'utf16be' | ||||
| buf = new Buffer(@readBuffer(length)) | ||||
| # swap the bytes | ||||
| for i in [0...buf.length - 1] by 2 | ||||
| byte = buf[i] | ||||
| buf[i] = buf[i + 1] | ||||
| buf[i + 1] = byte | ||||
| return buf.toString('utf16le') | ||||
| else | ||||
| buf = @readBuffer length | ||||
| if iconv | ||||
| try | ||||
| return iconv.decode(buf, encoding) | ||||
| return buf | ||||
| readBuffer: (length) -> | ||||
| return @buffer.slice(@pos, @pos += length) | ||||
| readUInt24BE: -> | ||||
| return (@readUInt16BE() << 8) + @readUInt8() | ||||
| readUInt24LE: -> | ||||
| return @readUInt16LE() + (@readUInt8() << 16) | ||||
| readInt24BE: -> | ||||
| return (@readInt16BE() << 8) + @readUInt8() | ||||
| readInt24LE: -> | ||||
| return @readUInt16LE() + (@readInt8() << 16) | ||||
| module.exports = DecodeStream | ||||