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Kryo的变长序列化底层在AS3的实现

发表于: 2014-08-20   作者:chzcb   来源:转载   浏览次数:
摘要: 当前是个人把java的Output和Input的翻译成了AS3版本,虽然没什么技术含量,但是还是很有帮助,经过长时间使用,基本确保和java之间的通信没有任何问题。 package yxcq.kryo { import flash.utils.ByteArray; import yxcq.utils.math.Long; public class Input
当前是个人把java的Output和Input的翻译成了AS3版本,虽然没什么技术含量,但是还是很有帮助,经过长时间使用,基本确保和java之间的通信没有任何问题。

package yxcq.kryo
{
	import flash.utils.ByteArray;
	
	import yxcq.utils.math.Long;
	
	public class Input
	{
		protected var buffer:ByteArray;
		
		public function Input(bytes:ByteArray)
		{
			if(bytes != null){
				this.buffer = bytes;
				this.buffer.position = 0;
			}
		}
		
		public function get bytesAvailable():int
		{
			return buffer.bytesAvailable;
		}
		
		public function setBytes(bytes:ByteArray):void
		{
			this.buffer = bytes;
			this.buffer.position = 0;
		}
		
		protected function require(required:int):int
		{
			if(buffer.bytesAvailable>=required)
				return buffer.bytesAvailable;
			else
				throw new Error();
		}
		
		public function read():int
		{
			if(buffer.bytesAvailable<1)
				return -1;
			return buffer.readUnsignedByte()&0xFF;
		}
		
		public function skip(count:int):void
		{
			this.buffer.position = this.buffer.position+count;
		}
		
		public function readByte():int
		{
			require(1);
			return buffer.readByte();
		}
		
		public function readByteUnsigned():int
		{
			require(1);
			return buffer.readUnsignedByte();
		}
		
		public function readBytes(length:int):ByteArray
		{
			var bytes:ByteArray = new ByteArray;
			_readBytes(bytes,0,length);
			return bytes;
		}
		
		protected function _readBytes(bytes:ByteArray,offset:int,length:int):void
		{
			buffer.readBytes(bytes,offset,length);
		}
		
		public function readInt():int{
			require(4);
			return (buffer.readUnsignedByte() & 0xFF) << 24 //
				| (buffer.readUnsignedByte() & 0xFF) << 16 //
				| (buffer.readUnsignedByte() & 0xFF) << 8 //
				| buffer.readUnsignedByte() & 0xFF;
		}
		
		/** Reads a 1-5 byte int. It is guaranteed that a varible length encoding will be used. */
		public function readVarInt (optimizePositive:Boolean):int {
			if (require(1) < 5) return readInt_slow(optimizePositive);
			var b:int = buffer.readUnsignedByte();
			var result:int = b & 0x7F;
			if ((b & 0x80) != 0) {
				b = buffer.readUnsignedByte();
				result |= (b & 0x7F) << 7;
				if ((b & 0x80) != 0) {
					b = buffer.readUnsignedByte();
					result |= (b & 0x7F) << 14;
					if ((b & 0x80) != 0) {
						b = buffer.readUnsignedByte();
						result |= (b & 0x7F) << 21;
						if ((b & 0x80) != 0) {
							b = buffer.readUnsignedByte();
							result |= (b & 0x7F) << 28;
						}
					}
				}
			}
			return optimizePositive ? result : ((result >>> 1) ^ -(result & 1));
		}
		
		private function readInt_slow (optimizePositive:Boolean):int {
			// The buffer is guaranteed to have at least 1 byte.
			var b:int = buffer.readUnsignedByte();
			var result:int = b & 0x7F;
			if ((b & 0x80) != 0) {
				require(1);
				b = buffer.readUnsignedByte();
				result |= (b & 0x7F) << 7;
				if ((b & 0x80) != 0) {
					require(1);
					b = buffer.readUnsignedByte();
					result |= (b & 0x7F) << 14;
					if ((b & 0x80) != 0) {
						require(1);
						b = buffer.readUnsignedByte();
						result |= (b & 0x7F) << 21;
						if ((b & 0x80) != 0) {
							require(1);
							b = buffer.readUnsignedByte();
							result |= (b & 0x7F) << 28;
						}
					}
				}
			}
			return optimizePositive ? result : ((result >>> 1) ^ -(result & 1));
		}
		
		
		protected var chars:ByteArray = new ByteArray;
		
		public function readString():String
		{
			var available:int = require(1);
			var b:int = buffer.readUnsignedByte();
			if((b&0x80) == 0)return readAscii();
			var charCount:int = available>=5?readUtf8Length(b) : readUtf8Length_slow(b);
			switch (charCount) {
				case 0:
					return null;
				case 1:
					return "";
			}
			charCount--;
			chars.clear();
			readUtf8(charCount);
			var len:int = chars.position;
			chars.position = 0;
			return chars.readUTFBytes(len);
		}
		
		private function readUtf8Length (b:int):int {
			var result:int = b & 0x3F; // Mask all but first 6 bits.
			if ((b & 0x40) != 0) { // Bit 7 means another byte, bit 8 means UTF8.
				b = buffer.readUnsignedByte();
				result |= (b & 0x7F) << 6;
				if ((b & 0x80) != 0) {
					b = buffer.readUnsignedByte();
					result |= (b & 0x7F) << 13;
					if ((b & 0x80) != 0) {
						b = buffer.readUnsignedByte();
						result |= (b & 0x7F) << 20;
						if ((b & 0x80) != 0) {
							b = buffer.readUnsignedByte();
							result |= (b & 0x7F) << 27;
						}
					}
				}
			}
			return result;
		}
		
		private function readUtf8Length_slow (b:int):int {
			var result:int = b & 0x3F; // Mask all but first 6 bits.
			if ((b & 0x40) != 0) { // Bit 7 means another byte, bit 8 means UTF8.
				require(1);
				b = buffer.readUnsignedByte();
				result |= (b & 0x7F) << 6;
				if ((b & 0x80) != 0) {
					require(1);
					b = buffer.readUnsignedByte();
					result |= (b & 0x7F) << 13;
					if ((b & 0x80) != 0) {
						require(1);
						b = buffer.readUnsignedByte();
						result |= (b & 0x7F) << 20;
						if ((b & 0x80) != 0) {
							require(1);
							b = buffer.readUnsignedByte();
							result |= (b & 0x7F) << 27;
						}
					}
				}
			}
			return result;
		}
		
		private function readUtf8 (charCount:int):void {
			// Try to read 7 bit ASCII chars.
			var charIndex:int = 0;
			var count:int = Math.min(require(1), charCount);
			var b:int;
			while (charIndex < count) {
				b = buffer.readByte();
				if (b < 0) {
					this.buffer.position--;
					break;
				}
				charIndex++;
				chars.writeByte(b);
			}
			// If buffer didn't hold all chars or any were not ASCII, use slow path for remainder.
			if (charIndex < charCount){ 
				readUtf8_slow(charCount, charIndex);
			}
		}
		
		private function readUtf8_slow (charCount:int, charIndex:int):void {
			var utfstrlen:int = 0;
			var position:int = buffer.position;
			while (charIndex < charCount) {
				var b:int = buffer.readByte() & 0x000000FF;
				switch (b >> 4) {
					case 0:
					case 1:
					case 2:
					case 3:
					case 4:
					case 5:
					case 6:
					case 7:
						chars.writeByte(b);
						break;
					case 12:
					case 13:
						chars.writeByte(b);
						chars.writeByte(buffer.readByte());
						break;
					case 14:
						chars.writeByte(b);
						chars.writeByte(buffer.readByte());
						chars.writeByte(buffer.readByte());
						break;
				}
				charIndex++;
			}
		}
		
		private function readAscii ():String {
			var position:int = buffer.position;
			var end:int = buffer.position;
			var start:int = end -1;
			var limit:int = buffer.length;
			var b:int;
			do {
				if(end == limit){
					buffer.position = position-1;
					return readAscii_slow();
				}
				b = buffer.readUnsignedByte();
				end++;
			} while ((b & 0x00000080) == 0);
			buffer[end - 1] &=0x0000007F; // Mask end of ascii bit.
			buffer.position = position-1;
			var value:String = (buffer as ByteArray).readMultiByte(end-start,'iso-8859-1');
			buffer[end - 1] |= 0x00000080;
			return value;
		}
		
		private function readAscii_slow ():String {
			throw new Error("数据流中有不支持的字符串解析");
		}
		
		public function readFloat():Number
		{
			return buffer.readFloat();
		}
		
		public function readFloat2(precision:Number,optimizePositive:Boolean):Number
		{
			return Number(readInt_slow(optimizePositive))/precision;
		}
		
		public function readShort():int
		{
			return buffer.readShort();
		}
		
		public function readShortUnsigned():int
		{
			return buffer.readUnsignedShort();
		}
		
		public function readLong():Long
		{
			var h:int = buffer.readUnsignedByte()<<22;
			h |= buffer.readUnsignedByte()<<16;
			h |= buffer.readUnsignedByte()<<8;
			h |= buffer.readUnsignedByte();
			var l:int = buffer.readUnsignedByte()<<22;
			l |= buffer.readUnsignedByte()<<16;
			l |= buffer.readUnsignedByte()<<8;
			l |= buffer.readUnsignedByte();
			return new Long(h,l);
		}
		
		public function readVarLong (optimizePositive:Boolean):Long{
			var b:int = buffer.readByte();
			var low:int = b & 0x7F;
			var high:int = 0;
			if ((b & 0x80) != 0) {
				b = buffer.readByte();
				low |= (b & 0x7F) << 7;
				if ((b & 0x80) != 0) {
					b = buffer.readByte();
					low |= (b & 0x7F) << 14;
					if ((b & 0x80) != 0) {
						b = buffer.readByte();
						low |= (b & 0x7F) << 21;
						if ((b & 0x80) != 0) {
							b = buffer.readByte();
							var temp:int = b&0x7F;
							high = ((0 << temp) | (temp >>> 4) )|high;
							low |= (temp << 28);
							if ((b & 0x80) != 0) {
								b = buffer.readByte();
								high |= (b & 0x7F)<<3;
								if ((b & 0x80) != 0) {
									b = buffer.readByte();
									high |= (b & 0x7F) << 10;
									if ((b & 0x80) != 0) {
										b = buffer.readByte();
										high |= (b & 0x7F) << 17;
										if ((b & 0x80) != 0) {
											b = buffer.readByte();
											high |= (b & 0x7F) << 24;
										}
									}
								}
							}
						}
					}
				}
			}
			var result:Long = new Long(high,low);
			if (!optimizePositive) result = result.rightShift(1,true).xor(result.and(1));
			return result;
		}
		
		public function readBoolean():Boolean
		{
			return buffer.readUnsignedByte()==1;
		}
		
		public function readChar():int
		{
			return buffer.readUnsignedShort();
		}
		
		public function readDouble():Number
		{
			return buffer.readDouble();
		}
		
		/** Bulk input of an int array. */
		public function readVarInts (length:int, optimizePositive:Boolean):Vector.<int>{
			var array:Vector.<int> = new Vector.<int>;
			for (var i:int = 0; i < length; i++)
				array[i] = readVarInt(optimizePositive);
			return array;
		}
		
		public function readVarLongs (length:int, optimizePositive:Boolean):Vector.<Long>{
			var array:Vector.<Long> = new Vector.<Long>;
			for (var i:int = 0; i < length; i++)
				array[i] = readVarLong(optimizePositive);
			return array;
		}
		
		/** Bulk input of an int array. */
		public function readInts (length:int) :Vector.<int> {
			var array:Vector.<int> = new Vector.<int>;
			for (var i:int = 0; i < length; i++)
				array[i] = readInt();
			return array;
		}
		
		/** Bulk input of a long array. */
		public function readLongs (length:int):Vector.<Long> {
			var array:Vector.<Long> = new Vector.<Long>;
			for (var i:int = 0; i < length; i++)
				array[i] = readLong();
			return array;
		}
		
		/** Bulk input of a float array. */
		public function readFloats (length:int) :Vector.<Number> {
			var array:Vector.<Number> = new Vector.<Number>;
			for (var i:int = 0; i < length; i++)
				array[i] = readFloat();
			return array;
		}
		
		/** Bulk input of a short array. */
		public function readShorts (length:int):Vector.<int>  {
			var array:Vector.<int> = new Vector.<int>;
			for (var i:int = 0; i < length; i++)
				array[i] = readShort();
			return array;
		}
		
		/** Bulk input of a char array. */
		public function readChars (length:int):Vector.<int>  {
			var array:Vector.<int> = new Vector.<int>;
			for (var i:int = 0; i < length; i++)
				array[i] = readChar();
			return array;
		}
		
		/** Bulk input of a double array. */
		public function readDoubles (length:int):Vector.<Number>  {
			var array:Vector.<Number> = new Vector.<Number>;
			for (var i:int = 0; i < length; i++)
				array[i] = readDouble();
			return array;
		}
	}
}


package yxcq.kryo
{
	import yxcq.utils.math.Long;
	import flash.utils.ByteArray;
	
	public class Output
	{
		protected var buffer:ByteArray = new ByteArray;
		
		public function Output()
		{
		}
		
		public function getBuffer():ByteArray
		{
			return buffer;
		}
		
		public function write(value:int):void
		{
			buffer.writeByte(value);
		}
		
		public function writeBytes(bytes:ByteArray,offset:int,length:int):void
		{
			buffer.writeBytes(bytes,offset,length);
		}
		
		
		public function writeByte(b:int):void
		{
			buffer.writeByte(b);
		}
		
		public function writeInt(value:int):void
		{
			buffer.writeInt(value);
		}
		
		public function writeVarInt(value:int,optimizePositive:Boolean):int
		{
			if(!optimizePositive) value = (value<<1)^(value>>31);
			if(value>>>7 == 0){
				buffer.writeByte(value&0xFF);
				return 1;
			}
			if(value>>>14 == 0){
				buffer.writeByte((value&0x7F | 0x80)&0xFF);
				buffer.writeByte((value>>>7)&0xFF);
				return 2;
			}
			if (value >>> 21 == 0) {
				buffer.writeByte((value&0x7F | 0x80)&0xFF);
				buffer.writeByte((value>>>7|0x80)&0xFF);
				buffer.writeByte((value>>>14)&0xFF);
				return 3;
			}
			if (value >>> 28 == 0) {
				buffer.writeByte((value&0x7F | 0x80)&0xFF);
				buffer.writeByte((value>>>7|0x80)&0xFF);
				buffer.writeByte((value>>>14|0x80)&0xFF);
				buffer.writeByte((value>>>21)&0xFF);
				return 4;
			}
			buffer.writeByte((value&0x7F | 0x80)&0xFF);
			buffer.writeByte((value>>>7|0x80)&0xFF);
			buffer.writeByte((value>>>14|0x80)&0xFF);
			buffer.writeByte((value>>>21|0x80)&0xFF);
			buffer.writeByte((value>>>28)&0xFF);
			return 5;
		}
		public function writeVarLong (value:Long, optimizePositive:Boolean):int{
			if (!optimizePositive) value = value.leftShift(1).xor(value.rightShift(63));
			if (value.rightShift(7,true).isZero()) {
				buffer.writeByte(value.getLow());
				return 1;
			}
			if (value.rightShift(14,true).isZero()) {
				buffer.writeByte(value.and(0x7F).or(0x80).getLow());
				buffer.writeByte(value.rightShift(7,true).getLow());
				return 2;
			}
			if (value.rightShift(21,true).isZero()) {
				buffer.writeByte(value.and(0x7F).or(0x80).getLow());
				buffer.writeByte(value.rightShift(7,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(14,true).getLow());
				return 3;
			}
			if (value.rightShift(28,true).isZero()) {
				buffer.writeByte(value.and(0x7F).or(0x80).getLow());
				buffer.writeByte(value.rightShift(7,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(14,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(21,true).getLow());
				return 4;
			}
			if (value.rightShift(35,true).isZero()) {
				buffer.writeByte(value.and(0x7F).or(0x80).getLow());
				buffer.writeByte(value.rightShift(7,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(14,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(21,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(28,true).getLow());
				return 5;
			}
			if (value.rightShift(42,true).isZero()) {
				buffer.writeByte(value.and(0x7F).or(0x80).getLow());
				buffer.writeByte(value.rightShift(7,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(14,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(21,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(28,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(35,true).getLow());
				return 6;
			}
			if (value.rightShift(49,true).isZero()) {
				buffer.writeByte(value.and(0x7F).or(0x80).getLow());
				buffer.writeByte(value.rightShift(7,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(14,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(21,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(28,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(35,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(42,true).getLow());
				return 7;
			}
			if (value.rightShift(56,true).isZero()) {
				buffer.writeByte(value.and(0x7F).or(0x80).getLow());
				buffer.writeByte(value.rightShift(7,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(14,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(21,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(28,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(35,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(42,true).or(0x80).getLow());
				buffer.writeByte(value.rightShift(49,true).getLow());
				return 8;
			}
			buffer.writeByte(value.and(0x7F).or(0x80).getLow());
			buffer.writeByte(value.rightShift(7,true).or(0x80).getLow());
			buffer.writeByte(value.rightShift(14,true).or(0x80).getLow());
			buffer.writeByte(value.rightShift(21,true).or(0x80).getLow());
			buffer.writeByte(value.rightShift(28,true).or(0x80).getLow());
			buffer.writeByte(value.rightShift(35,true).or(0x80).getLow());
			buffer.writeByte(value.rightShift(42,true).or(0x80).getLow());
			buffer.writeByte(value.rightShift(49,true).or(0x80).getLow());
			buffer.writeByte(value.rightShift(56,true).getLow());
			return 9;
		}
		
		public function writeString (value:String):void {
			if (value == null) {
				writeByte(0x80); // 0 means null, bit 8 means UTF8.
				return;
			}
			var charCount:int = value.length;
			if (charCount == 0) {
				writeByte(1 | 0x80); // 1 means empty string, bit 8 means UTF8.
				return;
			}
			// Detect ASCII. 检查是否ASCII
			var ascii:Boolean = false;
			if (charCount > 1 && charCount < 64) {
				ascii = true;
				for (var i:int = 0; i < charCount; i++) {
					var c:int = value.charCodeAt(i);
					if (c > 127) {
						ascii = false;
						break;
					}
				}
			}
			if (ascii) {
				buffer.writeUTFBytes(value);
				buffer[buffer.position - 1] |= 0x80;
			} else {
				writeUtf8Length(charCount + 1);
				var charIndex:int = 0;
				var position:int = buffer.position;
				// Try to write 8 bit chars.
				for (; charIndex < charCount; charIndex++) {
					var c:int = value.charCodeAt(charIndex);
					if (c > 127) break;
					buffer.writeByte(c&0xFF);
					position++;
				}
				buffer.position = position;
				if (charIndex < charCount) 
					writeString_slow(value, charCount, charIndex);
			}
		}
		
		/** Writes a string that is known to contain only ASCII characters. Non-ASCII strings passed to this method will be corrupted.
		 * Each byte is a 7 bit character with the remaining byte denoting if another character is available. This is slightly more
		 * efficient than {@link #writeString(String)}. The string can be read using {@link Input#readString()} or
		 * {@link Input#readStringBuilder()}.
		 * @param value May be null. */
		public function writeAscii (value:String):void{
			if (value == null) {
				writeByte(0x80); // 0 means null, bit 8 means UTF8.
				return;
			}
			var charCount:int = value.length;
			switch (charCount) {
				case 0:
					writeByte(1 | 0x80); // 1 is string length + 1, bit 8 means UTF8.
					return;
				case 1:
					writeByte(2 | 0x80); // 2 is string length + 1, bit 8 means UTF8.
					writeByte(value.charCodeAt(0));
					return;
			}
			buffer.writeUTF(value);
			buffer[buffer.position - 1] |= 0x80; // Bit 8 means end of ASCII.
		}
		
		/** Writes the length of a string, which is a variable length encoded int except the first byte uses bit 8 to denote UTF8 and
		 * bit 7 to denote if another byte is present. */
		private function writeUtf8Length (value:int):void {
			if (value >>> 6 == 0) {
				buffer.writeByte((value | 0x80)&0xFF); // Set bit 8.
			} else if (value >>> 13 == 0) {
				buffer.writeByte((value | 0x40 | 0x80)&0xFF); // Set bit 7 and 8.
				buffer.writeByte((value >>> 6)&0xFF);
			} else if (value >>> 20 == 0) {
				buffer.writeByte((value | 0x40 | 0x80)&0xFF); // Set bit 7 and 8.
				buffer.writeByte(((value >>> 6) | 0x80)&0xFF); // Set bit 8.
				buffer.writeByte((value >>> 13)&0xFF);
			} else if (value >>> 27 == 0) {
				buffer.writeByte((value | 0x40 | 0x80)&0xFF); // Set bit 7 and 8.
				buffer.writeByte(((value >>> 6) | 0x80)&0xFF); // Set bit 8.
				buffer.writeByte(((value >>> 13) | 0x80)&0xFF); // Set bit 8.
				buffer.writeByte((value >>> 20)&0xFF);
			} else {
				buffer.writeByte((value | 0x40 | 0x80)&0xFF); // Set bit 7 and 8.
				buffer.writeByte(((value >>> 6) | 0x80)&0xFF); // Set bit 8.
				buffer.writeByte(((value >>> 13) | 0x80)&0xFF); // Set bit 8.
				buffer.writeByte(((value >>> 20) | 0x80)&0xFF); // Set bit 8.
				buffer.writeByte((value >>> 27)&0xFF);
			}
		}
		
		private function writeString_slow (value:String, charCount:int, charIndex:int):void {
			for (; charIndex < charCount; charIndex++) {
				var c:int = value.charCodeAt(charIndex);
				if (c <= 0x007F) {
					buffer.writeByte(c&0xFF);
				} else if (c > 0x07FF) {
					buffer.writeByte((0xE0 | c >> 12 & 0x0F)&0xFF);
					buffer.writeByte((0x80 | c >> 6 & 0x3F)&0xFF);
					buffer.writeByte((0x80 | c & 0x3F)&0xFF);
				} else {
					buffer.writeByte((0xC0 | c >> 6 & 0x1F)&0xFF);
					buffer.writeByte((0x80 | c & 0x3F)&0xFF);
				}
			}
		}
		
		public function writeFloat(value:Number):void
		{
			this.buffer.writeFloat(value);
		}
		
		public function writeFloat2(value:Number,precision:Number,optimizePositive:Boolean):void
		{
			this.writeVarInt(value*precision,optimizePositive);
		}
		
		public function writeShort(value:int):void
		{
			this.buffer.writeShort(value);
		}
		
		public function writeLong(value:Long):void
		{
			this.buffer.writeByte(value.getHigh()>>>24);
			this.buffer.writeByte(value.getHigh()>>>16);
			this.buffer.writeByte(value.getHigh()>>>8);
			this.buffer.writeByte(value.getHigh());
			this.buffer.writeByte(value.getLow()>>>24);
			this.buffer.writeByte(value.getLow()>>>16);
			this.buffer.writeByte(value.getLow()>>>8);
			this.buffer.writeByte(value.getLow());
		}
		
		public function writeBoolean(value:Boolean):void
		{
			this.buffer.writeBoolean(value);
		}
		
		public function writeChar(value:int):void
		{
			this.buffer.writeShort(value);
		}
		
		public function writeDouble(value:Number):void
		{
			this.buffer.writeDouble(value);
		}
		
		/** Bulk output of an int array. */
		public function writeVarInts (object:Vector.<int>, optimizePositive:Boolean) :void {
			for (var i:int = 0, n:int = object.length; i < n; i++)
				writeVarInt(object[i], optimizePositive);
		}
		
		/** Bulk output of an int array. */
		public function writeInts (object:Vector.<int>) :void {
			for (var i:int = 0, n:int = object.length; i < n; i++)
				this.buffer.writeInt(object[i]);
		}
		
		public function writeVarLongs (object:Vector.<Long>, optimizePositive:Boolean):void{
			for (var i:int = 0, n:int = object.length; i < n; i++)
				writeVarLong(object[i], optimizePositive);
		}
		
		/** Bulk output of an long array. */
		public function writeLongs (object:Vector.<Long>) :void {
			for (var i:int = 0, n:int = object.length; i < n; i++)
				writeLong(object[i]);
		}
		
		/** Bulk output of a float array. */
		public function writeFloats (object:Vector.<Number>) :void {
			for (var i:int = 0, n:int = object.length; i < n; i++)
				writeFloat(object[i]);
		}
		
		/** Bulk output of a short array. */
		public function writeShorts (object:Vector.<int>) :void {
			for (var i:int = 0, n:int = object.length; i < n; i++)
				writeShort(object[i]);
		}
		
		/** Bulk output of a char array. */
		public function writeChars (object:Vector.<int>) :void {
			for (var i:int = 0, n:int = object.length; i < n; i++)
				writeChar(object[i]);
		}
		
		/** Bulk output of a double array. */
		public function writeDoubles (object:Vector.<int>) :void {
			for (var i:int = 0, n:int = object.length; i < n; i++)
				writeDouble(object[i]);
		}
	}
}

Kryo的变长序列化底层在AS3的实现

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