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/*
* Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
* Original author: Edmund Wagner
* Creation date: 18.06.2007
*
* Source: $HeadURL$
* Last changed: $LastChangedDate$
*
* the unrar licence applies to all junrar source and binary distributions
* you are not allowed to use this source to re-create the RAR compression algorithm
*
* Here some html entities which can be used for escaping javadoc tags:
* "&": "&" or "&"
* "<": "<" or "<"
* ">": ">" or ">"
* "@": "@"
*/
package org.fox.ttcomics2.junrar.io;
public class Raw {
public static final short readShortBigEndian(byte[] array, int pos) {
short temp = 0;
temp |= array[pos] & 0xff;
temp <<= 8;
temp |= array[pos + 1] & 0xff;
return temp;
}
public static final int readIntBigEndian(byte[] array, int pos) {
int temp = 0;
temp |= array[pos] & 0xff;
temp <<= 8;
temp |= array[pos + 1] & 0xff;
temp <<= 8;
temp |= array[pos + 2] & 0xff;
temp <<= 8;
temp |= array[pos + 3] & 0xff;
return temp;
}
public static final long readLongBigEndian(byte[] array, int pos) {
int temp = 0;
temp |= array[pos] & 0xff;
temp <<= 8;
temp |= array[pos + 1] & 0xff;
temp <<= 8;
temp |= array[pos + 2] & 0xff;
temp <<= 8;
temp |= array[pos + 3] & 0xff;
temp <<= 8;
temp |= array[pos + 4] & 0xff;
temp <<= 8;
temp |= array[pos + 5] & 0xff;
temp <<= 8;
temp |= array[pos + 6] & 0xff;
temp <<= 8;
temp |= array[pos + 7] & 0xff;
return temp;
}
public static final short readShortLittleEndian(byte[] array, int pos) {
short result = 0;
result += array[pos + 1] & 0xff;
result <<= 8;
result += array[pos] & 0xff;
return result;
}
public static final int readIntLittleEndian(byte[] array, int pos) {
return ((array[pos + 3] & 0xff) << 24)
| ((array[pos + 2] & 0xff) << 16)
| ((array[pos + 1] & 0xff) << 8) | ((array[pos] & 0xff));
}
public static final long readIntLittleEndianAsLong(byte[] array, int pos) {
return (((long) array[pos + 3] & 0xff) << 24)
| (((long) array[pos + 2] & 0xff) << 16)
| (((long) array[pos + 1] & 0xff) << 8)
| (((long) array[pos] & 0xff));
}
public static final long readLongLittleEndian(byte[] array, int pos) {
int temp = 0;
temp |= array[pos + 7] & 0xff;
temp <<= 8;
temp |= array[pos + 6] & 0xff;
temp <<= 8;
temp |= array[pos + 5] & 0xff;
temp <<= 8;
temp |= array[pos + 4] & 0xff;
temp <<= 8;
temp |= array[pos + 3] & 0xff;
temp <<= 8;
temp |= array[pos + 2] & 0xff;
temp <<= 8;
temp |= array[pos + 1] & 0xff;
temp <<= 8;
temp |= array[pos];
return temp;
}
public static final void writeShortBigEndian(byte[] array, int pos,
short value) {
array[pos] = (byte) (value >>> 8);
array[pos + 1] = (byte) (value & 0xFF);
}
public static final void writeIntBigEndian(byte[] array, int pos, int value) {
array[pos] = (byte) ((value >>> 24) & 0xff);
array[pos + 1] = (byte) ((value >>> 16) & 0xff);
array[pos + 2] = (byte) ((value >>> 8) & 0xff);
array[pos + 3] = (byte) ((value) & 0xff);
}
public static final void writeLongBigEndian(byte[] array, int pos,
long value) {
array[pos] = (byte) (value >>> 56);
array[pos + 1] = (byte) (value >>> 48);
array[pos + 2] = (byte) (value >>> 40);
array[pos + 3] = (byte) (value >>> 32);
array[pos + 4] = (byte) (value >>> 24);
array[pos + 5] = (byte) (value >>> 16);
array[pos + 6] = (byte) (value >>> 8);
array[pos + 7] = (byte) (value & 0xFF);
}
public static final void writeShortLittleEndian(byte[] array, int pos,
short value) {
array[pos + 1] = (byte) (value >>> 8);
array[pos] = (byte) (value & 0xFF);
}
public static final void incShortLittleEndian(byte[] array, int pos, int dv) {
int c = ((array[pos] & 0xff) + (dv & 0xff)) >>> 8;
array[pos] += dv & 0xff;
if ((c > 0) || ((dv & 0xff00) != 0)) {
array[pos + 1] += ((dv >>> 8) & 0xff) + c;
}
}
public static final void writeIntLittleEndian(byte[] array, int pos,
int value) {
array[pos + 3] = (byte) (value >>> 24);
array[pos + 2] = (byte) (value >>> 16);
array[pos + 1] = (byte) (value >>> 8);
array[pos] = (byte) (value & 0xFF);
}
public static final void writeLongLittleEndian(byte[] array, int pos,
long value) {
array[pos + 7] = (byte) (value >>> 56);
array[pos + 6] = (byte) (value >>> 48);
array[pos + 5] = (byte) (value >>> 40);
array[pos + 4] = (byte) (value >>> 32);
array[pos + 3] = (byte) (value >>> 24);
array[pos + 2] = (byte) (value >>> 16);
array[pos + 1] = (byte) (value >>> 8);
array[pos] = (byte) (value & 0xFF);
}
}
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