diff options
Diffstat (limited to 'deps/npm/node_modules/readable-stream/lib/internal/streams/BufferList.js')
-rw-r--r-- | deps/npm/node_modules/readable-stream/lib/internal/streams/BufferList.js | 110 |
1 files changed, 60 insertions, 50 deletions
diff --git a/deps/npm/node_modules/readable-stream/lib/internal/streams/BufferList.js b/deps/npm/node_modules/readable-stream/lib/internal/streams/BufferList.js index 82598c8521..d467615978 100644 --- a/deps/npm/node_modules/readable-stream/lib/internal/streams/BufferList.js +++ b/deps/npm/node_modules/readable-stream/lib/internal/streams/BufferList.js @@ -2,63 +2,73 @@ /*<replacement>*/ +function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } + var Buffer = require('safe-buffer').Buffer; /*</replacement>*/ -module.exports = BufferList; - -function BufferList() { - this.head = null; - this.tail = null; - this.length = 0; +function copyBuffer(src, target, offset) { + src.copy(target, offset); } -BufferList.prototype.push = function (v) { - var entry = { data: v, next: null }; - if (this.length > 0) this.tail.next = entry;else this.head = entry; - this.tail = entry; - ++this.length; -}; +module.exports = function () { + function BufferList() { + _classCallCheck(this, BufferList); -BufferList.prototype.unshift = function (v) { - var entry = { data: v, next: this.head }; - if (this.length === 0) this.tail = entry; - this.head = entry; - ++this.length; -}; + this.head = null; + this.tail = null; + this.length = 0; + } -BufferList.prototype.shift = function () { - 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.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.clear = function () { - this.head = this.tail = null; - this.length = 0; -}; + 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.join = function (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.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.concat = function (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) { - p.data.copy(ret, i); - i += p.data.length; - p = p.next; - } - return ret; -};
\ No newline at end of file + 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; +}();
\ No newline at end of file |