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feat: Adding methods for converting hex strings to byte arrays

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This commit is contained in:
Chris Cameron
2021-03-22 15:30:25 -04:00
parent cab1e237d5
commit e7bdcdfca5
2 changed files with 55 additions and 1 deletions
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18
ICD.Common.Utils.Tests/StringUtilsTest.cs
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@@ -1,4 +1,5 @@
using ICD.Common.Properties;
using System.Linq;
using ICD.Common.Properties;
using NUnit.Framework;
namespace ICD.Common.Utils.Tests
@@ -24,6 +25,21 @@ namespace ICD.Common.Utils.Tests
Assert.AreEqual("\x08\x22\x00\x00\x00\x02", output);
}
[TestCase("FF", new byte[] {0xFF})]
[TestCase("01FF", new byte[] { 0x01, 0xFF })]
public void HexToBytes(string value, byte[] expected)
{
byte[] bytes = StringUtils.HexToBytes(value);
Assert.IsTrue(bytes.SequenceEqual(expected));
}
[TestCase("1", 1)]
[TestCase("FF", 0xFF)]
public void HexToByte(string value, byte expected)
{
Assert.AreEqual(expected, StringUtils.HexToByte(value));
}
[TestCase("Test", "Test")]
[TestCase("test", "Test")]
[TestCase("TodayILiveInTheUSAWithSimon", "Today I Live In The USA With Simon")]

38
ICD.Common.Utils/StringUtils.cs
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@@ -175,6 +175,7 @@ namespace ICD.Common.Utils
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
[NotNull]
[PublicAPI]
public static byte[] ToBytes([NotNull] string input)
{
@@ -184,6 +185,43 @@ namespace ICD.Common.Utils
return Encoding.GetEncoding(28591).GetBytes(input);
}
/// <summary>
/// Converts the hex string ("01AB23") to a byte array ({1, 171, 23}).
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
[NotNull]
[PublicAPI]
public static byte[] HexToBytes([NotNull] string value)
{
if (value == null)
throw new ArgumentNullException("value");
if (value.Length % 2 != 0)
throw new ArgumentException("The binary key cannot have an odd number of digits");
return value.Split(2)
.Select(s => HexToByte(s))
.ToArray();
}
/// <summary>
/// Converts the hex string ("AB") to a byte (171).
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
[PublicAPI]
public static byte HexToByte([NotNull] string value)
{
if (value == null)
throw new ArgumentNullException("value");
if (value.Length == 0 || value.Length > 2)
throw new ArgumentOutOfRangeException("value");
return Convert.ToByte(value, 16);
}
/// <summary>
/// Attempts to parse the string as an integer.
/// </summary>