mirrors/ParkanPlayground
0
Fork 0
mirror of https://github.com/sampletext32/ParkanPlayground.git synced 2025-05-19 11:51:17 +03:00
Code Issues Releases Activity

Optimized HexStringToByteArray method using spans for better performance

Browse Source
This commit is contained in:
bird_egop 2025-04-13 17:07:09 +03:00
parent 2cdd9f1e83
commit 3f4b9a8547
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
X86DisassemblerTests/RawFromFileDisassemblyTests.cs
View File

@ -125,15 +125,22 @@ public class RawFromFileDisassemblyTests(ITestOutputHelper output)
/// <returns>The byte array</returns> /// <returns>The byte array</returns>
private static byte[] HexStringToByteArray(string hex) private static byte[] HexStringToByteArray(string hex)
{ {
// Remove any non-hex characters // Remove any non-hex characters if present
hex = hex.Replace(" ", "").Replace("-", "");
// Create a byte array // Create a byte array
byte[] bytes = new byte[hex.Length / 2]; byte[] bytes = new byte[hex.Length / 2];
// Convert each pair of hex characters to a byte // Convert each pair of hex characters to a byte using spans for better performance
for (int i = 0; i < hex.Length; i += 2) ReadOnlySpan<char> hexSpan = hex.AsSpan();
for (int i = 0; i < hexSpan.Length; i += 2)
{ {
bytes[i / 2] = Convert.ToByte(hex.Substring(i, 2), 16); // Parse two characters at a time using spans
if (!byte.TryParse(hexSpan.Slice(i, 2), NumberStyles.HexNumber, CultureInfo.InvariantCulture, out bytes[i / 2]))
{
throw new FormatException($"Invalid hex string at position {i}: {hexSpan.Slice(i, 2).ToString()}");
}
} }
return bytes; return bytes;