Show More
Commit Description:
fix wrong merge
Commit Description:
fix wrong merge
References:
File last commit:
Show/Diff file:
Action:
node_modules/readable-stream/lib/internal/streams/BufferList.js
| 78 lines
| 2.0 KiB
| application/javascript
| JavascriptLexer
|
| r789 | 'use strict'; | ||
| function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } | |||
| var Buffer = require('safe-buffer').Buffer; | |||
| var util = require('util'); | |||
| function copyBuffer(src, target, offset) { | |||
| src.copy(target, offset); | |||
| } | |||
| module.exports = function () { | |||
| function BufferList() { | |||
| _classCallCheck(this, BufferList); | |||
| this.head = null; | |||
| this.tail = null; | |||
| this.length = 0; | |||
| } | |||
| BufferList.prototype.push = function push(v) { | |||
| var entry = { data: v, next: null }; | |||
| if (this.length > 0) this.tail.next = entry;else this.head = entry; | |||
| this.tail = entry; | |||
| ++this.length; | |||
| }; | |||
| BufferList.prototype.unshift = function unshift(v) { | |||
| var entry = { data: v, next: this.head }; | |||
| if (this.length === 0) this.tail = entry; | |||
| this.head = entry; | |||
| ++this.length; | |||
| }; | |||
| BufferList.prototype.shift = function shift() { | |||
| if (this.length === 0) return; | |||
| var ret = this.head.data; | |||
| if (this.length === 1) this.head = this.tail = null;else this.head = this.head.next; | |||
| --this.length; | |||
| return ret; | |||
| }; | |||
| BufferList.prototype.clear = function clear() { | |||
| this.head = this.tail = null; | |||
| this.length = 0; | |||
| }; | |||
| BufferList.prototype.join = function join(s) { | |||
| if (this.length === 0) return ''; | |||
| var p = this.head; | |||
| var ret = '' + p.data; | |||
| while (p = p.next) { | |||
| ret += s + p.data; | |||
| }return ret; | |||
| }; | |||
| BufferList.prototype.concat = function concat(n) { | |||
| if (this.length === 0) return Buffer.alloc(0); | |||
| if (this.length === 1) return this.head.data; | |||
| var ret = Buffer.allocUnsafe(n >>> 0); | |||
| var p = this.head; | |||
| var i = 0; | |||
| while (p) { | |||
| copyBuffer(p.data, ret, i); | |||
| i += p.data.length; | |||
| p = p.next; | |||
| } | |||
| return ret; | |||
| }; | |||
| return BufferList; | |||
| }(); | |||
| if (util && util.inspect && util.inspect.custom) { | |||
| module.exports.prototype[util.inspect.custom] = function () { | |||
| var obj = util.inspect({ length: this.length }); | |||
| return this.constructor.name + ' ' + obj; | |||
| }; | |||
| } |