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tidying

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This commit is contained in:
Denis Molony 2016-08-16 19:04:17 +10:00
parent 0e852d2a77
commit 9ee9e0904a
1 changed files with 17 additions and 17 deletions
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34
src/com/bytezone/diskbrowser/wizardry/Huffman.java
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@ -6,9 +6,9 @@ public class Huffman
private final byte[] left;
private final byte[] right;
private int bit = 0;
private int bitNo = 0;
private int msgPtr = 0;
private int b = 0;
private int currentByte = 0;
private byte[] message;
public Huffman (byte[] buffer)
@ -25,9 +25,9 @@ public class Huffman
public String getMessage (byte[] message)
{
this.message = message;
bit = 0;
bitNo = 0;
msgPtr = 0;
b = 0;
currentByte = 0;
int len = getChar ();
StringBuilder text = new StringBuilder ();
@ -42,27 +42,27 @@ public class Huffman
while (true)
{
if (bit == 0)
if (bitNo == 0)
{
bit = 8;
b = message[msgPtr++] & 0xFF;
bitNo = 8;
currentByte = message[msgPtr++] & 0xFF;
}
int thisBit = b % 2;
b /= 2;
bit--;
int currentBit = currentByte % 2;
currentByte /= 2;
bitNo--;
if (thisBit == 0) // take right path
if (currentBit == 0) // take right path
{
if ((tree[treePtr] & 0x02) != 0) // if has right leaf
return right[treePtr];
treePtr = right[treePtr] & 0xFF; // go to right node
if ((tree[treePtr] & 0x02) != 0) // if has right leaf...
return right[treePtr]; // return that character
treePtr = right[treePtr] & 0xFF; // else go to right node
}
else // take left path
{
if ((tree[treePtr] & 0x01) != 0) // if has left leaf
return left[treePtr];
treePtr = left[treePtr] & 0xFF; // go to left node
if ((tree[treePtr] & 0x01) != 0) // if has left leaf...
return left[treePtr]; // return that character
treePtr = left[treePtr] & 0xFF; // else go to left node
}
}
}