From 124f869faae3a0f75a3825e6a8e195c17f3c626a Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Thu, 16 Oct 2014 23:34:20 +0400
Subject: initial for idea

---
 .../java/com/github/junrar/unpack/ppm/State.java   | 119 +++++++++++++++++++++
 1 file changed, 119 insertions(+)
 create mode 100644 org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/State.java

(limited to 'org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/State.java')

diff --git a/org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/State.java b/org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/State.java
new file mode 100644
index 0000000..812fb40
--- /dev/null
+++ b/org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/State.java
@@ -0,0 +1,119 @@
+/*
+ * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
+ * Original author: Edmund Wagner
+ * Creation date: 01.06.2007
+ *
+ * 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:
+ * "&":  "&#038;" or "&amp;"
+ * "<":  "&#060;" or "&lt;"
+ * ">":  "&#062;" or "&gt;"
+ * "@":  "&#064;" 
+ */
+package com.github.junrar.unpack.ppm;
+
+import com.github.junrar.io.Raw;
+
+/**
+ * DOCUMENT ME
+ * 
+ * @author $LastChangedBy$
+ * @version $LastChangedRevision$
+ */
+public class State extends Pointer {
+
+	public static final int size = 6;
+
+	public State(byte[] mem) {
+		super(mem);
+	}
+
+    public State init(byte[] mem) {
+		this.mem = mem;
+        pos = 0;
+        return this;
+    }
+
+	public int getSymbol() {
+        return mem[pos]&0xff;
+	}
+
+	public void setSymbol(int symbol) {
+        mem[pos] = (byte)symbol;
+	}
+
+	public int getFreq() {
+        return mem[pos+1]&0xff;
+	}
+
+	public void setFreq(int freq) {
+        mem[pos + 1] = (byte)freq;
+	}
+
+    public void incFreq(int dFreq) {
+        mem[pos + 1] += dFreq;
+    }
+	
+	public int getSuccessor() {
+        return Raw.readIntLittleEndian(mem, pos+2);
+	}
+
+	public void setSuccessor(PPMContext successor) {
+		setSuccessor(successor.getAddress());
+	}
+
+	public void setSuccessor(int successor) {
+        Raw.writeIntLittleEndian(mem, pos + 2, successor);
+	}
+
+	public void setValues(StateRef state){
+		setSymbol(state.getSymbol());
+		setFreq(state.getFreq());
+		setSuccessor(state.getSuccessor());
+	}
+
+	public void setValues(State ptr){
+        System.arraycopy(ptr.mem, ptr.pos, mem, pos, size);
+	}
+
+	public State decAddress(){
+		setAddress(pos-size);
+		return this;
+	}
+
+    public State incAddress(){
+		setAddress(pos+size);
+		return this;
+	}
+
+    public static void ppmdSwap(State ptr1, State ptr2) {
+        byte[] mem1=ptr1.mem, mem2=ptr2.mem;
+		for (int i=0, pos1=ptr1.pos, pos2=ptr2.pos; i < size; i++, pos1++, pos2++) {
+			byte temp = mem1[pos1];
+			mem1[pos1] = mem2[pos2];
+			mem2[pos2] = temp;
+		}
+    }
+
+    public String toString() {
+        StringBuilder buffer = new StringBuilder();
+        buffer.append("State[");
+        buffer.append("\n  pos=");
+        buffer.append(pos);
+        buffer.append("\n  size=");
+        buffer.append(size);
+        buffer.append("\n  symbol=");
+        buffer.append(getSymbol());
+        buffer.append("\n  freq=");
+        buffer.append(getFreq());
+        buffer.append("\n  successor=");
+        buffer.append(getSuccessor());
+        buffer.append("\n]");
+        return buffer.toString();
+    }
+}
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