71 lines
2.0 KiB
C#
71 lines
2.0 KiB
C#
// <copyright file="GlobMatcher.cs" company="StellaOps">
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// Copyright (c) StellaOps. Licensed under BUSL-1.1.
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// </copyright>
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using DotNet.Globbing;
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namespace StellaOps.Facet;
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/// <summary>
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/// Utility for matching file paths against glob patterns.
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/// </summary>
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public sealed class GlobMatcher
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{
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private readonly List<Glob> _globs;
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/// <summary>
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/// Initializes a new instance of the <see cref="GlobMatcher"/> class.
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/// </summary>
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/// <param name="patterns">Glob patterns to match against.</param>
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public GlobMatcher(IEnumerable<string> patterns)
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{
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ArgumentNullException.ThrowIfNull(patterns);
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_globs = patterns
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.Select(p => Glob.Parse(NormalizePattern(p)))
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.ToList();
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}
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/// <summary>
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/// Check if a path matches any of the patterns.
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/// </summary>
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/// <param name="path">The path to check (Unix-style).</param>
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/// <returns>True if any pattern matches.</returns>
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public bool IsMatch(string path)
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{
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ArgumentNullException.ThrowIfNull(path);
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var normalizedPath = NormalizePath(path);
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return _globs.Any(g => g.IsMatch(normalizedPath));
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}
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/// <summary>
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/// Create a matcher for a single facet.
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/// </summary>
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/// <param name="facet">The facet to create a matcher for.</param>
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/// <returns>A GlobMatcher for the facet's selectors.</returns>
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public static GlobMatcher ForFacet(IFacet facet)
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{
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ArgumentNullException.ThrowIfNull(facet);
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return new GlobMatcher(facet.Selectors);
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}
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private static string NormalizePattern(string pattern)
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{
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// Ensure patterns use forward slashes
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return pattern.Replace('\\', '/');
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}
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private static string NormalizePath(string path)
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{
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// Ensure paths use forward slashes and are rooted
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var normalized = path.Replace('\\', '/');
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if (!normalized.StartsWith('/'))
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{
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normalized = "/" + normalized;
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}
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return normalized;
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}
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}
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