/// <summary>
/// Calculate the full archive size for a file name.
/// The archive can be split into several files.
/// The size is returned in bytes.
/// </summary>
/// <param name="fileName">The file name of one of the archive files.</param>
/// <returns>The archive file size in bytes.</returns>
private long GetArchiveSize(string fileName)
{
long archiveSize = 0;
FileInfo file = new FileInfo(fileName);
IEnumerable <FileInfo> archiveFiles = null;
// Match multipart archives.
Match matchPartRar = REGEX_PART_RAR.Match(fileName);
if (matchPartRar.Success)
{
string baseName = fileName.Substring(0, fileName.LastIndexOf(matchPartRar.Value));
Regex regexPartRar = new Regex(baseName.Replace("\\", "\\\\") + REGEX_PART_RAR.ToString(), RegexOptions.IgnoreCase);
archiveFiles = file.Directory.GetFiles().Where(i => regexPartRar.Match(i.Name.ToLower()).Success).ToList();
}
else
{
// Fetch all files with the base name with an extension of ".rar" or ".rXX" where xx is a number.
string baseName = Path.GetFileNameWithoutExtension(file.Name);
Regex regexRNumber = new Regex(baseName + REGEX_RAR_RNN.ToString());
archiveFiles = file.Directory.GetFiles().Where(i => regexRNumber.IsMatch(i.Name));
}
if (archiveFiles != null)
{
foreach (var item in archiveFiles)
{
archiveSize += item.Length;
}
}
return(archiveSize);
}
/// <summary>
/// Get the content of the provided queue item and add all files that are archives to UnpackQueue.
/// </summary>
/// <param name="item">The item to examine for archive files.</param>
private void GetAndAddExtractedItems(QueueItem item)
{
string[] content = unpacker.GetArchiveContent(item.FileToExtract);
foreach (var file in content)
{
if (REGEX_PART_RAR.IsMatch(file) || REGEX_RAR_RNN.IsMatch(file))
{
// File is located in the extraction folder.
this.AddToQueue(Path.Combine(item.Destination, file), item.Destination);
}
}
}
