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#2162 APCO25 NID BCH decoder implementation. (#2163)

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Co-authored-by: Dennis Sheirer <dsheirer@github.com>
This commit is contained in:
Denny Sheirer
2025-02-27 08:09:46 -06:00
committed by GitHub
parent 4e367bb5fe
commit 8718d04ef5
6 changed files with 1513 additions and 13 deletions
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48
src/main/java/io/github/dsheirer/bits/BinaryMessage.java
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@@ -1,6 +1,6 @@
/*
* *****************************************************************************
* Copyright (C) 2014-2024 Dennis Sheirer
* Copyright (C) 2014-2025 Dennis Sheirer
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -415,8 +415,8 @@ public class BinaryMessage extends BitSet
boolean[] returnValue = null;
if(startIndex >= 0 &&
startIndex < endIndex &&
endIndex < mSize)
startIndex < endIndex &&
endIndex < mSize)
{
returnValue = new boolean[endIndex - startIndex + 1];
@@ -447,7 +447,7 @@ public class BinaryMessage extends BitSet
if(bits.length > 32)
{
throw new IllegalArgumentException("Overflow - must be 32 bits "
+ "or less to fit into a primitive integer value");
+ "or less to fit into a primitive integer value");
}
int value = 0;
@@ -676,7 +676,7 @@ public class BinaryMessage extends BitSet
if(bits.length > 32)
{
throw new IllegalArgumentException("Overflow - must be 32 bits "
+ "or less to fit into a primitive integer value");
+ "or less to fit into a primitive integer value");
}
int value = 0;
@@ -711,6 +711,28 @@ public class BinaryMessage extends BitSet
}
}
/**
* Sets the integer value to the field described by the argument.
* @param value to set
* @param intField describing the indices of the field.
*/
public void setInt(int value, IntField intField)
{
for(int x = 0; x < intField.width(); x++)
{
int mask = 1 << (intField.width() - x - 1);
if((value & mask) == mask)
{
set(intField.start() + x);
}
else
{
clear(intField.start() + x);
}
}
}
/**
* Returns the byte value represented by the bit array
*
@@ -724,7 +746,7 @@ public class BinaryMessage extends BitSet
if(bits.length != 8)
{
throw new IllegalArgumentException("Invalid - there must be 8"
+ "indexes to form a proper byte");
+ "indexes to form a proper byte");
}
int value = 0;
@@ -756,7 +778,7 @@ public class BinaryMessage extends BitSet
if(bits.length != 8)
{
throw new IllegalArgumentException("Invalid - there must be 8"
+ "indexes to form a proper byte");
+ "indexes to form a proper byte");
}
int value = 0;
@@ -884,7 +906,7 @@ public class BinaryMessage extends BitSet
if(bits.length > 64)
{
throw new IllegalArgumentException("Overflow - must be 64 bits "
+ "or less to fit into a primitive long value");
+ "or less to fit into a primitive long value");
}
long value = 0;
@@ -916,7 +938,7 @@ public class BinaryMessage extends BitSet
if(bits.length > 64)
{
throw new IllegalArgumentException("Overflow - must be 64 bits "
+ "or less to fit into a primitive long value");
+ "or less to fit into a primitive long value");
}
long value = 0;
@@ -1004,7 +1026,7 @@ public class BinaryMessage extends BitSet
else
{
throw new IllegalArgumentException("BitSetBuffer.getHex() "
+ "maximum array length is 63 bits");
+ "maximum array length is 63 bits");
}
}
@@ -1025,7 +1047,7 @@ public class BinaryMessage extends BitSet
if(FastMath.abs(end - start) > 32)
{
throw new IllegalArgumentException("Overflow - must be 32 bits "
+ "or less to fit into a primitive integer value");
+ "or less to fit into a primitive integer value");
}
int value = 0;
@@ -1100,7 +1122,7 @@ public class BinaryMessage extends BitSet
if(FastMath.abs(end - start) > 64)
{
throw new IllegalArgumentException("Overflow - must be 64 bits "
+ "or less to fit into a primitive long value");
+ "or less to fit into a primitive long value");
}
long value = 0;
@@ -1255,7 +1277,7 @@ public class BinaryMessage extends BitSet
if(!message.matches("[01]*"))
{
throw new IllegalArgumentException(
"Message must contain only zeros and ones");
"Message must contain only zeros and ones");
}
BinaryMessage buffer = new BinaryMessage(message.length());