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Diffstat (limited to 'org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/unpack/vm/BitInput.java')
-rw-r--r--org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/unpack/vm/BitInput.java71
1 files changed, 71 insertions, 0 deletions
diff --git a/org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/unpack/vm/BitInput.java b/org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/unpack/vm/BitInput.java
new file mode 100644
index 0000000..f1a7e07
--- /dev/null
+++ b/org.fox.ttcomics/src/main/java/org/fox/ttcomics2/junrar/unpack/vm/BitInput.java
@@ -0,0 +1,71 @@
+/*
+ * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
+ * Original author: Edmund Wagner
+ * Creation date: 31.05.2007
+ *
+ * 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 "&"
+ * "<": "&#060;" or "&lt;"
+ * ">": "&#062;" or "&gt;"
+ * "@": "&#064;"
+ */
+package org.fox.ttcomics2.junrar.unpack.vm;
+
+public class BitInput {
+ public static final int MAX_SIZE = 0x8000;
+ protected int inAddr;
+ protected int inBit;
+ protected byte[] inBuf;
+
+ public BitInput() {
+ inBuf = new byte[MAX_SIZE];
+ }
+
+ public void InitBitInput() {
+ inAddr = 0;
+ inBit = 0;
+ }
+
+ public void addbits(int Bits) {
+ Bits += inBit;
+ inAddr += Bits >> 3;
+ inBit = Bits & 7;
+ }
+
+ public int getbits() {
+// int BitField=0;
+// BitField|=(int)(inBuf[inAddr] << 16)&0xFF0000;
+// BitField|=(int)(inBuf[inAddr+1] << 8)&0xff00;
+// BitField|=(int)(inBuf[inAddr+2])&0xFF;
+// BitField >>>= (8-inBit);
+// return (BitField & 0xffff);
+ return (((((inBuf[inAddr] & 0xff) << 16) +
+ ((inBuf[inAddr + 1] & 0xff) << 8) +
+ ((inBuf[inAddr + 2] & 0xff))) >>> (8 - inBit)) & 0xffff);
+ }
+
+ public void faddbits(int Bits) {
+ addbits(Bits);
+ }
+
+
+ public int fgetbits() {
+ return (getbits());
+ }
+
+ public boolean Overflow(int IncPtr) {
+ return (inAddr + IncPtr >= MAX_SIZE);
+ }
+
+ public byte[] getInBuf() {
+ return inBuf;
+ }
+
+
+}