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Add CRC-16 and CRC-64 normalization helpers

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This commit is contained in:
Matt Nadareski
2026-05-12 22:32:45 -04:00
parent e608254ec0
commit d54ed02282
2 changed files with 67 additions and 5 deletions
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48
SabreTools.Text.Extensions.Test/TextHelperTests.cs
View File

@@ -65,6 +65,30 @@ namespace SabreTools.Text.Extensions.Test
#endregion
#region NormalizeCRC16
[Theory]
[InlineData(null, null)]
[InlineData("", "")]
[InlineData("-", "")]
[InlineData("_", "")]
[InlineData("0x", "")]
[InlineData("12", "0012")]
[InlineData("0x12", "0012")]
[InlineData("12ABC", "")]
[InlineData("0x12ABC", "")]
[InlineData("12AB", "12ab")]
[InlineData("0x12AB", "12ab")]
[InlineData("aceg", "")]
[InlineData("0xaceg", "")]
public void NormalizeCRC16Test(string? hash, string? expected)
{
string? actual = TextHelper.NormalizeCRC16(hash);
Assert.Equal(expected, actual);
}
#endregion
#region NormalizeCRC32
[Theory]
@@ -89,6 +113,30 @@ namespace SabreTools.Text.Extensions.Test
#endregion
#region NormalizeCRC64
[Theory]
[InlineData(null, null)]
[InlineData("", "")]
[InlineData("-", "")]
[InlineData("_", "")]
[InlineData("0x", "")]
[InlineData("1234", "0000000000001234")]
[InlineData("0x1234", "0000000000001234")]
[InlineData("1234ABCD1234ABCDE", "")]
[InlineData("0x1234ABCD1234ABCDE", "")]
[InlineData("1234ABCD1234ABCD", "1234abcd1234abcd")]
[InlineData("0x1234ABCD1234ABCD", "1234abcd1234abcd")]
[InlineData("abcdefghabcdefgh", "")]
[InlineData("0xabcdefghabcdefgh", "")]
public void NormalizeCRC64Test(string? hash, string? expected)
{
string? actual = TextHelper.NormalizeCRC64(hash);
Assert.Equal(expected, actual);
}
#endregion
#region NormalizeMD2
[Theory]

24
SabreTools.Text.Extensions/TextHelper.cs
View File

@@ -70,12 +70,26 @@ namespace SabreTools.Text.Extensions
}
/// <summary>
/// Normalize a CRC32 string and pad to the correct size
/// Normalize a CRC-16 string and pad to the correct size
/// </summary>
/// <remarks>4 characters long</remarks>
public static string? NormalizeCRC16(string? hash)
=> NormalizeHashData(hash, 4);
/// <summary>
/// Normalize a CRC-32 string and pad to the correct size
/// </summary>
/// <remarks>8 characters long</remarks>
public static string? NormalizeCRC32(string? hash)
=> NormalizeHashData(hash, 8);
/// <summary>
/// Normalize a CRC-64 string and pad to the correct size
/// </summary>
/// <remarks>16 characters long</remarks>
public static string? NormalizeCRC64(string? hash)
=> NormalizeHashData(hash, 16);
/// <summary>
/// Normalize a MD2 string and pad to the correct size
/// </summary>
@@ -112,28 +126,28 @@ namespace SabreTools.Text.Extensions
=> NormalizeHashData(hash, 40);
/// <summary>
/// Normalize a SHA1 string and pad to the correct size
/// Normalize a SHA-1 string and pad to the correct size
/// </summary>
/// <remarks>40 characters long</remarks>
public static string? NormalizeSHA1(string? hash)
=> NormalizeHashData(hash, 40);
/// <summary>
/// Normalize a SHA256 string and pad to the correct size
/// Normalize a SHA-256 string and pad to the correct size
/// </summary>
/// <remarks>64 characters long</remarks>
public static string? NormalizeSHA256(string? hash)
=> NormalizeHashData(hash, 64);
/// <summary>
/// Normalize a SHA384 string and pad to the correct size
/// Normalize a SHA-384 string and pad to the correct size
/// </summary>
/// <remarks>96 characters long</remarks>
public static string? NormalizeSHA384(string? hash)
=> NormalizeHashData(hash, 96);
/// <summary>
/// Normalize a SHA512 string and pad to the correct size
/// Normalize a SHA-512 string and pad to the correct size
/// </summary>
/// <remarks>128 characters long</remarks>
public static string? NormalizeSHA512(string? hash)