diff options
Diffstat (limited to 'src/com/github/junrar/io/Raw.java')
| -rw-r--r-- | src/com/github/junrar/io/Raw.java | 305 |
1 files changed, 0 insertions, 305 deletions
diff --git a/src/com/github/junrar/io/Raw.java b/src/com/github/junrar/io/Raw.java deleted file mode 100644 index 87affda..0000000 --- a/src/com/github/junrar/io/Raw.java +++ /dev/null @@ -1,305 +0,0 @@ -/*
- * 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 com.github.junrar.io;
-
-/**
- * Read / write numbers to a byte[] regarding the endianness of the array
- *
- * @author $LastChangedBy$
- * @version $LastChangedRevision$
- */
-public class Raw {
- /**
- * Read a short value from the byte array at the given position (Big Endian)
- *
- * @param array
- * the array to read from
- * @param pos
- * the position
- * @return the value
- */
- 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;
- }
-
- /**
- * Read a int value from the byte array at the given position (Big Endian)
- *
- * @param array
- * the array to read from
- * @param pos
- * the offset
- * @return the value
- */
- 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;
- }
-
- /**
- * Read a long value from the byte array at the given position (Big Endian)
- *
- * @param array
- * the array to read from
- * @param pos
- * the offset
- * @return the value
- */
- 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;
- }
-
- /**
- * Read a short value from the byte array at the given position (little
- * Endian)
- *
- * @param array
- * the array to read from
- * @param pos
- * the offset
- * @return the value
- */
- 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;
- }
-
- /**
- * Read an int value from the byte array at the given position (little
- * Endian)
- *
- * @param array
- * the array to read from
- * @param pos
- * the offset
- * @return the value
- */
- 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));
- }
-
- /**
- * Read an long value(unsigned int) from the byte array at the given
- * position (little Endian)
- *
- * @param array
- * @param pos
- * @return
- */
- 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));
- }
-
- /**
- * Read a long value from the byte array at the given position (little
- * Endian)
- *
- * @param array
- * the array to read from
- * @param pos
- * the offset
- * @return the value
- */
- 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;
- }
-
- /**
- * Write a short value into the byte array at the given position (Big
- * endian)
- *
- * @param array
- * the array
- * @param pos
- * the offset
- * @param value
- * the value to write
- */
- public static final void writeShortBigEndian(byte[] array, int pos,
- short value) {
- array[pos] = (byte) (value >>> 8);
- array[pos + 1] = (byte) (value & 0xFF);
-
- }
-
- /**
- * Write an int value into the byte array at the given position (Big endian)
- *
- * @param array
- * the array
- * @param pos
- * the offset
- * @param value
- * the value to write
- */
- 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);
-
- }
-
- /**
- * Write a long value into the byte array at the given position (Big endian)
- *
- * @param array
- * the array
- * @param pos
- * the offset
- * @param value
- * the value to write
- */
- 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);
-
- }
-
- /**
- * Write a short value into the byte array at the given position (little
- * endian)
- *
- * @param array
- * the array
- * @param pos
- * the offset
- * @param value
- * the value to write
- */
- public static final void writeShortLittleEndian(byte[] array, int pos,
- short value) {
- array[pos + 1] = (byte) (value >>> 8);
- array[pos] = (byte) (value & 0xFF);
-
- }
-
- /**
- * Increment a short value at the specified position by the specified amount
- * (little endian).
- */
- 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;
- }
- }
-
- /**
- * Write an int value into the byte array at the given position (little
- * endian)
- *
- * @param array
- * the array
- * @param pos
- * the offset
- * @param value
- * the value to write
- */
- 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);
-
- }
-
- /**
- * Write a long value into the byte array at the given position (little
- * endian)
- *
- * @param array
- * the array
- * @param pos
- * the offset
- * @param value
- * the value to write
- */
- 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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