23 lines
652 B
JavaScript
23 lines
652 B
JavaScript
|
"use strict";
|
||
|
var ArrayReader = require("./ArrayReader");
|
||
|
var utils = require("../utils");
|
||
|
|
||
|
function Uint8ArrayReader(data) {
|
||
|
ArrayReader.call(this, data);
|
||
|
}
|
||
|
utils.inherits(Uint8ArrayReader, ArrayReader);
|
||
|
/**
|
||
|
* @see DataReader.readData
|
||
|
*/
|
||
|
Uint8ArrayReader.prototype.readData = function(size) {
|
||
|
this.checkOffset(size);
|
||
|
if(size === 0) {
|
||
|
// in IE10, when using subarray(idx, idx), we get the array [0x00] instead of [].
|
||
|
return new Uint8Array(0);
|
||
|
}
|
||
|
var result = this.data.subarray(this.zero + this.index, this.zero + this.index + size);
|
||
|
this.index += size;
|
||
|
return result;
|
||
|
};
|
||
|
module.exports = Uint8ArrayReader;
|