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Code Issues Releases Wiki Activity

Simplify DelimitedStream a little.

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This commit is contained in:
Simo Kinnunen 2014-07-28 18:57:37 +09:00
parent 34ff1efb43
commit 437596e6c6
1 changed files with 2 additions and 4 deletions
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6
lib/wire/messagestream.js
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@ -17,20 +17,18 @@ DelimitedStream.prototype._transform = function(chunk, encoding, done) {
while (this._buffer.length) { while (this._buffer.length) {
if (this._readingLength) { if (this._readingLength) {
var byte = this._buffer[0] var byte = this._buffer[0]
if (byte & (1 << 7)) {
this._length += (byte & 0x7f) << (7 * this._lengthIndex) this._length += (byte & 0x7f) << (7 * this._lengthIndex)
if (byte & (1 << 7)) {
this._lengthIndex += 1 this._lengthIndex += 1
this._readingLength = true this._readingLength = true
} }
else { else {
this._length += (byte & 0x7f) << (7 * this._lengthIndex)
this._lengthIndex = 0 this._lengthIndex = 0
this._readingLength = false this._readingLength = false
} }
this._buffer = this._buffer.slice(1) this._buffer = this._buffer.slice(1)
} }
else {
if (!this._readingLength) {
if (this._length <= this._buffer.length) { if (this._length <= this._buffer.length) {
this.push(this._buffer.slice(0, this._length)) this.push(this._buffer.slice(0, this._length))
this._buffer = this._buffer.slice(this._length) this._buffer = this._buffer.slice(this._length)