/// <summary>
/// Search file from the read-only archive index.
/// </summary>
/// <param name="path"></param>
/// <returns></returns>
public virtual IFileInfo GetFileInfo(string path)
{
if (IsDisposing)
{
throw new ObjectDisposedException(GetType().FullName);
}
if (path == null)
{
path = "";
}
string canonizedPath = CanonizePath(path);
ArchiveFileEntry zipFile = root.GetFile(canonizedPath);
return((IFileInfo)zipFile ?? new NotFoundFileInfo(path));
}
/// <summary>
/// Find file
/// </summary>
/// <param name="canonizedPath">file path</param>
/// <returns>file or null</returns>
public ArchiveFileEntry GetFile(string canonizedPath)
{
if (canonizedPath == null)
{
throw new ArgumentNullException(nameof(canonizedPath));
}
if (canonizedPath == "")
{
return(null);
}
// Find slash
int slashIX = canonizedPath.IndexOf('/');
// No slash, return direct file
if (slashIX < 0)
{
ArchiveFileEntry result = null;
files.TryGetValue(canonizedPath, out result);
return(result);
}
// Got slash, find local dir
string localDirectoryName = canonizedPath.Substring(0, slashIX);
ArchiveDirectoryEntry localDirectory = null;
if (!directories.TryGetValue(localDirectoryName, out localDirectory))
{
return(null);
}
// Use recursion for the rest the path
string restOfThePath = canonizedPath.Substring(slashIX + 1);
return(localDirectory.GetFile(restOfThePath));
}
