110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali/*** 210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * ASM: a very small and fast Java bytecode manipulation framework 310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Copyright (c) 2000-2005 INRIA, France Telecom 410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * All rights reserved. 510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Redistribution and use in source and binary forms, with or without 710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * modification, are permitted provided that the following conditions 810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * are met: 910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 1. Redistributions of source code must retain the above copyright 1010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * notice, this list of conditions and the following disclaimer. 1110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 2. Redistributions in binary form must reproduce the above copyright 1210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * notice, this list of conditions and the following disclaimer in the 1310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * documentation and/or other materials provided with the distribution. 1410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 3. Neither the name of the copyright holders nor the names of its 1510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * contributors may be used to endorse or promote products derived from 1610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * this software without specific prior written permission. 1710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 1810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 1910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 2210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 2310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 2410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 2510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 2610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 2710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 2810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * THE POSSIBILITY OF SUCH DAMAGE. 2910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 3010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Alipackage org.objectweb.asm; 3110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 3210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali/** 3310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * A dynamically extensible vector of bytes. This class is roughly equivalent to 3410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * a DataOutputStream on top of a ByteArrayOutputStream, but is more efficient. 3510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 3610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @author Eric Bruneton 3710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 3810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Alipublic class ByteVector { 3910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 4010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 4110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * The content of this vector. 4210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 4310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byte[] data; 4410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 4510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 4610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Actual number of bytes in this vector. 4710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 4810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int length; 4910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 5010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 5110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Constructs a new {@link ByteVector ByteVector} with a default initial 5210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * size. 5310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 5410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali public ByteVector() { 5510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data = new byte[64]; 5610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 5710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 5810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 5910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Constructs a new {@link ByteVector ByteVector} with the given initial 6010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * size. 6110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 6210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param initialSize the initial size of the byte vector to be constructed. 6310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 6410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali public ByteVector(final int initialSize) { 6510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data = new byte[initialSize]; 6610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 6710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 6810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 6910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Puts a byte into this byte vector. The byte vector is automatically 7010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * enlarged if necessary. 7110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 7210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param b a byte. 7310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @return this byte vector. 7410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 7510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali public ByteVector putByte(final int b) { 7610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int length = this.length; 7710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (length + 1 > data.length) { 7810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali enlarge(1); 7910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 8010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) b; 8110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali this.length = length; 8210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali return this; 8310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 8410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 8510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 8610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Puts two bytes into this byte vector. The byte vector is automatically 8710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * enlarged if necessary. 8810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 8910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param b1 a byte. 9010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param b2 another byte. 9110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @return this byte vector. 9210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 9310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali ByteVector put11(final int b1, final int b2) { 9410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int length = this.length; 9510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (length + 2 > data.length) { 9610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali enlarge(2); 9710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 9810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byte[] data = this.data; 9910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) b1; 10010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) b2; 10110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali this.length = length; 10210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali return this; 10310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 10410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 10510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 10610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Puts a short into this byte vector. The byte vector is automatically 10710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * enlarged if necessary. 10810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 10910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param s a short. 11010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @return this byte vector. 11110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 11210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali public ByteVector putShort(final int s) { 11310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int length = this.length; 11410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (length + 2 > data.length) { 11510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali enlarge(2); 11610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 11710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byte[] data = this.data; 11810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (s >>> 8); 11910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) s; 12010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali this.length = length; 12110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali return this; 12210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 12310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 12410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 12510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Puts a byte and a short into this byte vector. The byte vector is 12610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * automatically enlarged if necessary. 12710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 12810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param b a byte. 12910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param s a short. 13010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @return this byte vector. 13110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 13210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali ByteVector put12(final int b, final int s) { 13310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int length = this.length; 13410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (length + 3 > data.length) { 13510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali enlarge(3); 13610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 13710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byte[] data = this.data; 13810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) b; 13910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (s >>> 8); 14010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) s; 14110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali this.length = length; 14210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali return this; 14310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 14410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 14510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 14610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Puts an int into this byte vector. The byte vector is automatically 14710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * enlarged if necessary. 14810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 14910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param i an int. 15010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @return this byte vector. 15110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 15210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali public ByteVector putInt(final int i) { 15310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int length = this.length; 15410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (length + 4 > data.length) { 15510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali enlarge(4); 15610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 15710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byte[] data = this.data; 15810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (i >>> 24); 15910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (i >>> 16); 16010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (i >>> 8); 16110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) i; 16210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali this.length = length; 16310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali return this; 16410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 16510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 16610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 16710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Puts a long into this byte vector. The byte vector is automatically 16810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * enlarged if necessary. 16910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 17010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param l a long. 17110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @return this byte vector. 17210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 17310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali public ByteVector putLong(final long l) { 17410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int length = this.length; 17510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (length + 8 > data.length) { 17610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali enlarge(8); 17710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 17810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byte[] data = this.data; 17910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int i = (int) (l >>> 32); 18010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (i >>> 24); 18110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (i >>> 16); 18210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (i >>> 8); 18310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) i; 18410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali i = (int) l; 18510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (i >>> 24); 18610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (i >>> 16); 18710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) (i >>> 8); 18810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length++] = (byte) i; 18910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali this.length = length; 19010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali return this; 19110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 19210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 19310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 19410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Puts an UTF8 string into this byte vector. The byte vector is 19510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * automatically enlarged if necessary. 19610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 19710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param s a String. 19810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @return this byte vector. 19910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 20010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali public ByteVector putUTF8(final String s) { 20110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int charLength = s.length(); 20210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (length + 2 + charLength > data.length) { 20310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali enlarge(2 + charLength); 20410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 20510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int len = length; 20610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byte[] data = this.data; 20710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali // optimistic algorithm: instead of computing the byte length and then 20810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali // serializing the string (which requires two loops), we assume the byte 20910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali // length is equal to char length (which is the most frequent case), and 21010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali // we start serializing the string right away. During the serialization, 21110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali // if we find that this assumption is wrong, we continue with the 21210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali // general method. 21310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[len++] = (byte) (charLength >>> 8); 21410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[len++] = (byte) (charLength); 21510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali for (int i = 0; i < charLength; ++i) { 21610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali char c = s.charAt(i); 21710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (c >= '\001' && c <= '\177') { 21810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[len++] = (byte) c; 21910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } else { 22010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int byteLength = i; 22110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali for (int j = i; j < charLength; ++j) { 22210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali c = s.charAt(j); 22310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (c >= '\001' && c <= '\177') { 22410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byteLength++; 22510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } else if (c > '\u07FF') { 22610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byteLength += 3; 22710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } else { 22810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byteLength += 2; 22910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 23010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 23110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length] = (byte) (byteLength >>> 8); 23210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[length + 1] = (byte) (byteLength); 23310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (length + 2 + byteLength > data.length) { 23410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali length = len; 23510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali enlarge(2 + byteLength); 23610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data = this.data; 23710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 23810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali for (int j = i; j < charLength; ++j) { 23910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali c = s.charAt(j); 24010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (c >= '\001' && c <= '\177') { 24110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[len++] = (byte) c; 24210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } else if (c > '\u07FF') { 24310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[len++] = (byte) (0xE0 | c >> 12 & 0xF); 24410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[len++] = (byte) (0x80 | c >> 6 & 0x3F); 24510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[len++] = (byte) (0x80 | c & 0x3F); 24610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } else { 24710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[len++] = (byte) (0xC0 | c >> 6 & 0x1F); 24810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data[len++] = (byte) (0x80 | c & 0x3F); 24910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 25010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 25110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali break; 25210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 25310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 25410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali length = len; 25510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali return this; 25610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 25710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 25810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 25910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Puts an array of bytes into this byte vector. The byte vector is 26010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * automatically enlarged if necessary. 26110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 26210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param b an array of bytes. May be <tt>null</tt> to put <tt>len</tt> 26310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * null bytes into this byte vector. 26410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param off index of the fist byte of b that must be copied. 26510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param len number of bytes of b that must be copied. 26610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @return this byte vector. 26710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 26810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali public ByteVector putByteArray(final byte[] b, final int off, final int len) 26910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali { 27010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (length + len > data.length) { 27110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali enlarge(len); 27210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 27310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali if (b != null) { 27410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali System.arraycopy(b, off, data, length, len); 27510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 27610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali length += len; 27710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali return this; 27810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 27910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali 28010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali /** 28110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * Enlarge this byte vector so that it can receive n more bytes. 28210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * 28310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * @param size number of additional bytes that this byte vector should be 28410353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali * able to receive. 28510353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali */ 28610353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali private void enlarge(final int size) { 28710353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int length1 = 2 * data.length; 28810353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali int length2 = length + size; 28910353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali byte[] newData = new byte[length1 > length2 ? length1 : length2]; 29010353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali System.arraycopy(data, 0, newData, 0, length); 29110353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali data = newData; 29210353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali } 29310353ed766fc48a0af6bd33d934439e695c03e3Mahmood Ali} 294