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shrine-medco/shrine-webclient/src/main/html/node_modules/ws/lib/BufferUtil.fallback.js
f422d9cc2cdfrelease/1.22.1

BufferUtil.fallback.js
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			/*!
			* ws: a node.js websocket client
			* Copyright(c) 2011 Einar Otto Stangvik <einaros@gmail.com>
			* MIT Licensed
			*/

			exports.BufferUtil = {
			merge: function(mergedBuffer, buffers) {
			var offset = 0;
			for (var i = 0, l = buffers.length; i < l; ++i) {
			var buf = buffers[i];
			buf.copy(mergedBuffer, offset);
			offset += buf.length;
			}
			},
			mask: function(source, mask, output, offset, length) {
			var maskNum = mask.readUInt32LE(0, true);
			var i = 0;
			for (; i < length - 3; i += 4) {
			var num = maskNum ^ source.readUInt32LE(i, true);
			if (num < 0) num = 4294967296 + num;
			output.writeUInt32LE(num, offset + i, true);
			}
			switch (length % 4) {
			case 3: output[offset + i + 2] = source[i + 2] ^ mask[2];
			case 2: output[offset + i + 1] = source[i + 1] ^ mask[1];
			case 1: output[offset + i] = source[i] ^ mask[0];
			case 0:;
			}
			},
			unmask: function(data, mask) {
			var maskNum = mask.readUInt32LE(0, true);
			var length = data.length;
			var i = 0;
			for (; i < length - 3; i += 4) {
			var num = maskNum ^ data.readUInt32LE(i, true);
			if (num < 0) num = 4294967296 + num;
			data.writeUInt32LE(num, i, true);
			}
			switch (length % 4) {
			case 3: data[i + 2] = data[i + 2] ^ mask[2];
			case 2: data[i + 1] = data[i + 1] ^ mask[1];
			case 1: data[i] = data[i] ^ mask[0];
			case 0:;
			}
			}
			}