diff options
Diffstat (limited to 'org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/io/Raw.java')
| -rw-r--r-- | org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/io/Raw.java | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/io/Raw.java b/org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/io/Raw.java new file mode 100644 index 0000000..47cc067 --- /dev/null +++ b/org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/io/Raw.java @@ -0,0 +1,166 @@ +/* + * 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); + + } +} |