public async Task Load(IFileSystem fileSystem, UPath filePath, ITemporaryStreamProvider temporaryStreamProvider,
IProgressContext progress)
{
var fileStream = await fileSystem.OpenFileAsync(filePath);
Files = _pack.Load(fileStream);
}
/// <summary>
/// Creates a new instance of <see cref="LoadContext"/>.
/// </summary>
/// <param name="temporaryStreamProvider">The provider for temporary streams.</param>
/// <param name="progress">The progress for this action.</param>
/// <param name="dialogManager">The dialog manager for this action.</param>
public LoadContext(ITemporaryStreamProvider temporaryStreamProvider, IProgressContext progress, IDialogManager dialogManager)
{
ContractAssertions.IsNotNull(temporaryStreamProvider, nameof(temporaryStreamProvider));
ContractAssertions.IsNotNull(progress, nameof(progress));
ContractAssertions.IsNotNull(dialogManager, nameof(dialogManager));
TemporaryStreamManager = temporaryStreamProvider;
ProgressContext = progress;
DialogManager = dialogManager;
}
public async void Load(IFileSystem fileSystem, UPath filePath, ITemporaryStreamProvider temporaryStreamProvider)
{
_files = new List <ArchiveFileInfo>();
var inputFile = await fileSystem.OpenFileAsync(filePath);
using var indexBr = new BinaryReaderX(await fileSystem.OpenFileAsync("index.bin"));
indexBr.BaseStream.Position = 4;
var fileCount = indexBr.ReadInt32();
for (var i = 0; i < fileCount; i++)
{
var fileName = i == 0 ? "archive.test" : "index.bin";
_files.Add(new ArchiveFileInfo(new SubStream(inputFile, indexBr.ReadInt32(), indexBr.ReadInt32()), fileName));
}
}
/// <summary>
/// Creates a new instance of <see cref="IdentifyContext"/>.
/// </summary>
/// <param name="temporaryStreamProvider">The provider for temporary streams.</param>
public IdentifyContext(ITemporaryStreamProvider temporaryStreamProvider)
{
ContractAssertions.IsNotNull(temporaryStreamProvider, nameof(temporaryStreamProvider));
TemporaryStreamManager = temporaryStreamProvider;
}
public async Task <bool> IdentifyAsync(IFileSystem fileSystem, UPath filePath, ITemporaryStreamProvider temporaryStreamProvider)
{
// Do files exist
if (!fileSystem.FileExists(filePath) || !fileSystem.FileExists("index.bin"))
{
return(false);
}
// Open files
var archiveFile = await fileSystem.OpenFileAsync(filePath);
var indexFile = await fileSystem.OpenFileAsync("index.bin");
// Identify file
return(CheckTestRequirements(archiveFile, indexFile));
}
public override Task <Stream> GetFileData(ITemporaryStreamProvider temporaryStreamProvider = null, IProgressContext progress = null)
{
return(Task.FromResult(ContentChanged ? FileData : _chunkStream));
}
public async Task <bool> IdentifyAsync(IFileSystem fileSystem, UPath filePath, ITemporaryStreamProvider temporaryStreamProvider)
{
var fileStream = await fileSystem.OpenFileAsync(filePath);
using var br = new BinaryReaderX(fileStream);
return(br.ReadString(4) == "P@CK");
}
