[re]-merged in Brians stuff

[org.ibex.core.git] / src / org / ibex / util / PackBytesIntoString.java

diff --git a/src/org/ibex/util/PackBytesIntoString.java b/src/org/ibex/util/PackBytesIntoString.java
deleted file mode 100644 (file)
index 1e07e86..0000000
--- a/src/org/ibex/util/PackBytesIntoString.java
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright (C) 2003 Adam Megacz <adam@ibex.org> all rights reserved.
-//
-// You may modify, copy, and redistribute this code under the terms of
-// the GNU Library Public License version 2.1, with the exception of
-// the portion of clause 6a after the semicolon (aka the "obnoxious
-// relink clause")
-
-package org.ibex.util;
-
-/** packs 8-bit bytes into a String of 7-bit chars (to avoid the UTF-8 non-ASCII penalty) */
-public class PackBytesIntoString {
-
-    public static String pack(byte[] b, int off, int len) throws IllegalArgumentException {
-        if (len % 7 != 0) throw new IllegalArgumentException("len must be a multiple of 7");
-        StringBuffer ret = new StringBuffer();
-        for(int i=off; i<off+len; i += 7) {
-            long l = 0;
-            for(int j=6; j>=0; j--) {
-                l <<= 8;
-                l |= (b[i + j] & 0xff);
-            }
-            for(int j=0; j<8; j++) {
-                ret.append((char)(l & 0x7f));
-                l >>= 7;
-            }
-        }
-        return ret.toString();
-    }
-
-    public static byte[] unpack(String s) throws IllegalArgumentException {
-        if (s.length() % 8 != 0) throw new IllegalArgumentException("string length must be a multiple of 8");
-        byte[] ret = new byte[(s.length() / 8) * 7];
-        for(int i=0; i<s.length(); i += 8) {
-            long l = 0;
-            for(int j=7; j>=0; j--) {
-                l <<= 7;
-                l |= (s.charAt(i + j) & 0x7fL);
-            }
-            for(int j=0; j<7; j++) {
-                ret[(i / 8) * 7 + j] = (byte)(l & 0xff);
-                l >>= 8;
-            }
-        }
-        return ret;
-    }
-}
-