public string GuessExtension()
{
return(ExtensionGuesser.GuessExtension(this.Data));
}
protected override void PutBinaryFile(BinaryFile file)
{
// Throw an exception if the output directory is not yet set or does not exist
if (string.IsNullOrWhiteSpace(this.BaseDirectory))
{
throw new InvalidOperationException("Base directory must be set before writing files.");
}
var indexDirectory = this.GetIndexDirectory(file.Info.Index);
// Create index directory for when it does not exist yet
Directory.CreateDirectory(indexDirectory);
// Clean existing files/entries
foreach (var existingFilePath in this.GetExistingFilePaths(file.Info.Index, file.Info.FileId.Value))
{
File.Delete(existingFilePath);
}
var entryDirectory = this.GetEntryDirectory(file.Info.Index, file.Info.FileId.Value);
if (Directory.Exists(entryDirectory))
{
Directory.Delete(entryDirectory, true);
}
if (!file.Info.UsesEntries)
{
// Extract file
if (file.Data.Length > 0)
{
var extension = ExtensionGuesser.GuessExtension(file.Data);
extension = extension != null ? $".{extension}" : "";
var filePath = $"{indexDirectory}{file.Info.FileId}{extension}";
File.WriteAllBytes(filePath, file.Data);
_logger.Information($"Wrote {(int)file.Info.Index}/{file.Info.FileId}.");
}
else
{
_logger.Information($"Did not write {(int)file.Info.Index}/{file.Info.FileId} because it is empty.");
}
}
else
{
// Extract entries
var entryFile = new EntryFile();
entryFile.FromBinaryFile(file);
if (!entryFile.Empty)
{
Directory.CreateDirectory(entryDirectory);
var entryBinaryFiles = entryFile.GetEntries <BinaryFile>().ToList();
foreach (var entryBinaryFile in entryBinaryFiles)
{
var extension = ExtensionGuesser.GuessExtension(entryBinaryFile.Data);
extension = extension != null ? $".{extension}" : "";
var entryPath = $"{entryDirectory}{entryBinaryFile.Info.EntryId}{extension}";
File.WriteAllBytes(entryPath, entryBinaryFile.Data);
}
_logger.Information($"Wrote {(int)file.Info.Index}/{file.Info.FileId} ({entryBinaryFiles.Count} entries).");
}
else
{
_logger.Information($"Did not write {(int)file.Info.Index}/{file.Info.FileId} because it contains no entries.");
}
}
}
