81 lines
2.2 KiB
C#
81 lines
2.2 KiB
C#
// Copyright (c) 2026 Duplicati Inc. All rights reserved.
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Threading;
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using System.Threading.Tasks;
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using Duplicati.Library.Interface;
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namespace Duplicati.Proprietary.DiskImage.SourceItems;
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/// <summary>
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/// Base class for all disk image source entries.
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/// Provides common implementation for entries in the disk image hierarchy.
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/// </summary>
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internal abstract class DiskImageEntryBase(string path) : ISourceProviderEntry
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{
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/// <inheritdoc />
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public virtual bool IsFolder => false;
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/// <inheritdoc />
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public virtual bool IsMetaEntry => false;
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/// <inheritdoc />
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public virtual bool IsRootEntry => false;
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/// <inheritdoc />
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public virtual DateTime CreatedUtc => DateTime.UnixEpoch;
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/// <inheritdoc />
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public virtual DateTime LastModificationUtc => DateTime.UnixEpoch;
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/// <inheritdoc />
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public string Path => path;
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/// <inheritdoc />
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public virtual long Size => -1;
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/// <inheritdoc />
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public bool IsSymlink => false;
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/// <inheritdoc />
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public string? SymlinkTarget => null;
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/// <inheritdoc />
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public virtual FileAttributes Attributes => IsFolder ? FileAttributes.Directory : FileAttributes.Normal;
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/// <inheritdoc />
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public bool IsBlockDevice => false;
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/// <inheritdoc />
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public bool IsCharacterDevice => false;
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/// <inheritdoc />
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public bool IsAlternateStream => false;
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/// <inheritdoc />
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public string? HardlinkTargetId => null;
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/// <inheritdoc />
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public virtual Task<Stream> OpenRead(CancellationToken cancellationToken)
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{
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throw new NotSupportedException("This entry does not support reading.");
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}
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/// <inheritdoc />
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public abstract IAsyncEnumerable<ISourceProviderEntry> Enumerate(CancellationToken cancellationToken);
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/// <inheritdoc />
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public virtual Task<bool> FileExists(string filename, CancellationToken cancellationToken)
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{
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return Task.FromResult(false);
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}
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/// <inheritdoc />
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public virtual Task<Dictionary<string, string?>> GetMinorMetadata(CancellationToken cancellationToken)
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{
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return Task.FromResult(new Dictionary<string, string?>());
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}
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}
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