65 lines
1.5 KiB
C#
65 lines
1.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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namespace StellaOps.Interop;
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internal sealed class ToolPathResolver : IToolPathResolver
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{
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private readonly IReadOnlyDictionary<string, string> _toolPaths;
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public ToolPathResolver(IReadOnlyDictionary<string, string> toolPaths)
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{
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_toolPaths = toolPaths ?? throw new ArgumentNullException(nameof(toolPaths));
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}
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public string? ResolveToolPath(string tool)
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{
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if (_toolPaths.TryGetValue(tool, out var configured) && File.Exists(configured))
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{
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return configured;
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}
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return FindOnPath(tool);
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}
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public static string? FindOnPath(string tool)
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{
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if (File.Exists(tool))
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{
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return Path.GetFullPath(tool);
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}
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var path = Environment.GetEnvironmentVariable("PATH");
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if (string.IsNullOrWhiteSpace(path))
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{
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return null;
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}
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foreach (var dir in path.Split(Path.PathSeparator))
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{
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if (string.IsNullOrWhiteSpace(dir))
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{
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continue;
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}
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var candidate = Path.Combine(dir, tool);
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if (File.Exists(candidate))
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{
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return candidate;
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}
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if (OperatingSystem.IsWindows())
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{
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var exeCandidate = candidate + ".exe";
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if (File.Exists(exeCandidate))
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{
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return exeCandidate;
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}
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}
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}
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return null;
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}
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}
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