42 lines
1.5 KiB
C#
42 lines
1.5 KiB
C#
using FileTime.Core.ContentAccess;
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using FileTime.Core.Models;
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using FileTime.Core.Timeline;
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using SharpCompress.Archives;
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namespace FileTime.Tools.Compression.ContentProvider;
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public sealed class CompressedContentProvider : SubContentProviderBase, ICompressedContentProvider
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{
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public CompressedContentProvider(
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ITimelessContentProvider timelessContentProvider,
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IContentAccessorFactory contentAccessorFactory,
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IContentProvider parentContentProvider
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)
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: base(
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timelessContentProvider,
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contentAccessorFactory,
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parentContentProvider,
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"compression")
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{
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}
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public override async Task<byte[]?> GetContentAsync(IElement element, int? maxLength = null, CancellationToken cancellationToken = default)
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{
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var parentElementContext = await GetParentElementReaderAsync(element);
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var reader = parentElementContext.ContentReader;
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var subPath = parentElementContext.SubNativePath.Path;
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await using var readerStream = reader.AsStream();
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using var archive = ArchiveFactory.Open(readerStream);
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var entry = archive.Entries.First(e => e.Key == subPath);
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await using var contentReader= entry.OpenEntryStream();
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var data = new byte[1024 * 1024];
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var readAsync = await contentReader.ReadAsync(data, cancellationToken);
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return data[..readAsync].ToArray();
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}
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public override VolumeSizeInfo? GetVolumeSizeInfo(FullName path) => throw new NotImplementedException();
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} |