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Merge pull request #721 from textGamex/perf

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perf: optimize NumberBoxParser.GetNextNumber performance
This commit is contained in:
amwx
2026-06-20 12:00:07 -04:00
committed by GitHub
parent d6092bbb49 b6db245cd5
commit 246e09f17e
1 changed files with 8 additions and 9 deletions
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src/FluentAvalonia/UI/Controls/NumberBox/NumberBoxParser.cs
+8 -9
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@@ -3,7 +3,7 @@ using System.Text.RegularExpressions;
namespace FluentAvalonia.UI.Controls;
internal static class NumberBoxParser
internal static partial class NumberBoxParser
{
public const string numberBoxOperators = "+-*/^";
@@ -65,18 +65,15 @@ internal static class NumberBoxParser
return tokens;
}
public static (double value, int charLen) GetNextNumber(ReadOnlySpan<char> inputSpan)
public static (double value, int charLen) GetNextNumber(ReadOnlySpan<char> input)
{
//TODO: Remove Regex impl (even tho this was copied from WinUI)
string input = inputSpan.ToString();
Regex rg = new Regex("^-?([^-+/*\\(\\)\\^\\s]+)");
var match = rg.Match(input);
if (match.Success)
var match = NumberRegex().EnumerateMatches(input);
if (match.MoveNext())
{
// Might be a number
var matchLength = match.Value.Length;
//var parsedNum = parser.ParseDouble(input.Substring(0, matchLength));
if (double.TryParse(input.Substring(0, matchLength), System.Globalization.NumberStyles.Any, CultureInfo.CurrentCulture, out double result))
var matchLength = match.Current.Length;
if (double.TryParse(input[..matchLength], NumberStyles.Any, CultureInfo.CurrentCulture, out double result))
{
return (result, matchLength);
}
@@ -256,6 +253,8 @@ internal static class NumberBoxParser
return null;
}
[GeneratedRegex(@"^-?([^-+/*\(\)\^\s]+)")]
private static partial Regex NumberRegex();
}
internal enum MathTokenType