| /* |
| * [The "BSD licence"] |
| * Copyright (c) 2010 Ben Gruver (JesusFreke) |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. The name of the author may not be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.jf.dexlib.EncodedValue; |
| |
| import org.jf.dexlib.Util.AnnotatedOutput; |
| import org.jf.dexlib.Util.EncodedValueUtils; |
| import org.jf.dexlib.Util.Input; |
| |
| public class IntEncodedValue extends EncodedValue { |
| public final int value; |
| |
| /** |
| * Constructs a new <code>IntEncodedValue</code> by reading the value from the given <code>Input</code> object. |
| * The <code>Input</code>'s cursor should be set to the 2nd byte of the encoded value, and the high 3 bits of |
| * the first byte should be passed as the valueArg parameter |
| * @param in The <code>Input</code> object to read from |
| * @param valueArg The high 3 bits of the first byte of this encoded value |
| */ |
| protected IntEncodedValue(Input in, byte valueArg) { |
| value = (int)EncodedValueUtils.decodeSignedIntegralValue(in.readBytes(valueArg+1)); |
| } |
| |
| /** |
| * Constructs a new <code>IntEncodedValue</code> with the given value |
| * @param value The value |
| */ |
| public IntEncodedValue(int value) { |
| this.value = value; |
| } |
| |
| /** {@inheritDoc} */ |
| public void writeValue(AnnotatedOutput out) { |
| byte[] bytes = EncodedValueUtils.encodeSignedIntegralValue(value); |
| |
| if (out.annotates()) { |
| out.annotate(1, "value_type=" + ValueType.VALUE_INT.name() + ",value_arg=" + (bytes.length - 1)); |
| out.annotate(bytes.length, "value: 0x" + Integer.toHexString(value) + " (" + value + ")"); |
| } |
| |
| out.writeByte(ValueType.VALUE_INT.value | ((bytes.length - 1) << 5)); |
| out.write(bytes); |
| } |
| |
| /** {@inheritDoc} */ |
| public int placeValue(int offset) { |
| return offset + EncodedValueUtils.getRequiredBytesForSignedIntegralValue(value) + 1; |
| } |
| |
| /** {@inheritDoc} */ |
| protected int compareValue(EncodedValue o) { |
| IntEncodedValue other = (IntEncodedValue)o; |
| |
| return (value<other.value?-1:(value>other.value?1:0)); |
| } |
| |
| /** {@inheritDoc} */ |
| public ValueType getValueType() { |
| return ValueType.VALUE_INT; |
| } |
| |
| @Override |
| public int hashCode() { |
| return value; |
| } |
| } |