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62 lines
2.3 KiB
C#
62 lines
2.3 KiB
C#
// /***************************************************************************
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// Aaru Data Preservation Suite
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// ----------------------------------------------------------------------------
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//
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// Filename : Helpers.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : Microsoft Xbox DVD File System plugin.
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2026 Natalia Portillo
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// ****************************************************************************/
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using System;
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using System.Collections.Generic;
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using Aaru.CommonTypes.Enums;
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namespace Aaru.Filesystems;
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public sealed partial class GDFX
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{
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/// <summary>Resolves a path string to a directory entry in the cache.</summary>
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ErrorNumber ResolveEntry(string path, out DecodedEntry entry)
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{
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entry = null;
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string[] parts = path.Split(['/'], StringSplitOptions.RemoveEmptyEntries);
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if(parts.Length == 0) return ErrorNumber.InvalidArgument;
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string dirPath = parts.Length == 1 ? "/" : "/" + string.Join("/", parts[..^1]);
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string fileName = parts[^1];
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if(!_directoryCache.TryGetValue(dirPath, out List<DecodedEntry> dirEntries)) return ErrorNumber.NoSuchFile;
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foreach(DecodedEntry e in dirEntries)
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{
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if(!string.Equals(e.Name, fileName, StringComparison.OrdinalIgnoreCase)) continue;
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entry = e;
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return ErrorNumber.NoError;
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}
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return ErrorNumber.NoSuchFile;
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}
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} |