diff options
Diffstat (limited to 'org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/Pointer.java')
| -rw-r--r-- | org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/Pointer.java | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/Pointer.java b/org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/Pointer.java new file mode 100644 index 0000000..c206b9d --- /dev/null +++ b/org.fox.ttcomics/src/main/java/com/github/junrar/unpack/ppm/Pointer.java @@ -0,0 +1,59 @@ +/*
+ * Copyright (c) 2007 innoSysTec (R) GmbH, Germany. All rights reserved.
+ * Original author: Edmund Wagner
+ * Creation date: 14.06.2007
+ *
+ * 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.unpack.ppm;
+
+/**
+ * Simulates Pointers on a single mem block as a byte[]
+ *
+ * @author $LastChangedBy$
+ * @version $LastChangedRevision$
+ */
+public abstract class Pointer
+{
+ protected byte[] mem;
+ protected int pos;
+
+ /**
+ * Initialize the object with the array (may be null)
+ * @param mem the byte array
+ */
+ public Pointer(byte[] mem){
+ this.mem = mem;
+ }
+ /**
+ * returns the position of this object in the byte[]
+ * @return the address of this object
+ */
+ public int getAddress(){
+ assert (mem != null);
+ return pos;
+ }
+
+ /**
+ * needs to set the fields of this object to the values in the byte[]
+ * at the given position.
+ * be aware of the byte order
+ * @param pos the position this object should point to
+ * @return true if the address could be set
+ */
+ public void setAddress(int pos) {
+ assert (mem != null);
+ assert (pos >= 0) && (pos < mem.length) : pos;
+ this.pos = pos;
+ }
+}
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