/// <summary>
/// Protected constructor.
/// </summary>
/// <param name="root">The root directory or <c>null</c> if this is the root.</param>
/// <param name="parent">The parent directory or <c>null</c> for the root directory.</param>
/// <param name="name">The directory name (this must be <c>null</c> for the root directory.</param>
protected StaticDirectoryBase(StaticDirectoryBase root, StaticDirectoryBase parent, string name)
{
Covenant.Requires <ArgumentException>(name.IndexOf('/') == -1, nameof(name));
Covenant.Requires <ArgumentException>(name.IndexOf('\\') == -1, nameof(name));
if (name.StartsWith("/"))
{
name = name.Substring(1);
}
if (root == null)
{
if (parent != null)
{
throw new ArgumentNullException($"[{nameof(parent)}] must be NULL when [{nameof(root)}] is NULL.");
}
if (!string.IsNullOrEmpty(name))
{
throw new ArgumentNullException($"[{nameof(name)}] must be NULL or empty when [{nameof(root)}] is NULL.");
}
}
else
{
Covenant.Requires <ArgumentNullException>(parent != null);
Covenant.Requires <ArgumentNullException>(!string.IsNullOrEmpty(name));
}
this.root = root ?? this;
this.Parent = parent;
this.Name = name;
this.Path = GetPath();
this.nameToDirectory = new Dictionary <string, StaticDirectoryBase>(StringComparer.InvariantCultureIgnoreCase);
this.nameToFile = new Dictionary <string, StaticFileBase>(StringComparer.InvariantCultureIgnoreCase);
}
/// <summary>
/// Adds a subdirectory if it doesn't already exist.
/// </summary>
/// <param name="directory">The child resource directory.</param>
/// <returns>The existing <see cref="StaticResourceDirectory"/> or <paramref name="directory"/> if it was added</returns>
public StaticDirectoryBase AddDirectory(StaticDirectoryBase directory)
{
lock (syncLock)
{
if (nameToDirectory.TryGetValue(directory.Name, out var existingDirectory))
{
return(existingDirectory);
}
nameToDirectory.Add(directory.Name, directory);
return(directory);
}
}
