internal string MakeRelativePath(FileLocator fileLocator, string path)
{
if (!HasCommonRoot(fileLocator))
{
return null;
}
string ourFullPath = GetFullPath(string.Empty) + @"\";
string otherFullPath = fileLocator.GetFullPath(path);
return Utilities.MakeRelativePath(otherFullPath, ourFullPath);
}
public override bool HasCommonRoot(FileLocator other)
{
DiscFileLocator otherDiscLocator = other as DiscFileLocator;
if (otherDiscLocator == null)
{
return false;
}
// Common root if the same file system instance.
return Object.ReferenceEquals(otherDiscLocator._fileSystem, _fileSystem);
}
internal static VirtualDiskLayer OpenDiskLayer(FileLocator locator, string path, FileAccess access)
{
string extension = Path.GetExtension(path).ToUpperInvariant();
if (extension.StartsWith(".", StringComparison.Ordinal))
{
extension = extension.Substring(1);
}
VirtualDiskFactory factory;
if (ExtensionMap.TryGetValue(extension, out factory))
{
return(factory.OpenDiskLayer(locator, path, access));
}
return(null);
}
public override bool HasCommonRoot(FileLocator other)
{
LocalFileLocator otherLocal = other as LocalFileLocator;
if (otherLocal == null)
{
return false;
}
// If the paths have drive specifiers, then common root depends on them having a common
// drive letter.
string otherDir = otherLocal._dir;
if (otherDir.Length >= 2 && _dir.Length >= 2)
{
if (otherDir[1] == ':' && _dir[1] == ':')
{
return Char.ToUpperInvariant(otherDir[0]) == Char.ToUpperInvariant(_dir[0]);
}
}
return true;
}
public override bool HasCommonRoot(FileLocator other)
{
LocalFileLocator otherLocal = other as LocalFileLocator;
if (otherLocal == null)
{
return(false);
}
// If the paths have drive specifiers, then common root depends on them having a common
// drive letter.
string otherDir = otherLocal._dir;
if (otherDir.Length >= 2 && _dir.Length >= 2)
{
if (otherDir[1] == ':' && _dir[1] == ':')
{
return(Char.ToUpperInvariant(otherDir[0]) == Char.ToUpperInvariant(_dir[0]));
}
}
return(true);
}
internal static VirtualDiskLayer OpenDiskLayer(FileLocator locator, string path, FileAccess access)
{
string extension = Path.GetExtension(path).ToUpperInvariant();
if (extension.StartsWith(".", StringComparison.Ordinal))
{
extension = extension.Substring(1);
}
VirtualDiskFactory factory;
if (ExtensionMap.TryGetValue(extension, out factory))
{
return factory.OpenDiskLayer(locator, path, access);
}
return null;
}
public abstract bool HasCommonRoot(FileLocator other);
public abstract VirtualDiskLayer OpenDiskLayer(FileLocator locator, string path, FileAccess access);
public virtual VirtualDisk OpenDisk(FileLocator locator, string path, string extraInfo, Dictionary<string, string> parameters, FileAccess access)
{
return OpenDisk(locator, path, access);
}
public abstract VirtualDisk CreateDisk(FileLocator locator, string variant, string path, VirtualDiskParameters diskParameters);
public abstract bool HasCommonRoot(FileLocator other);
public abstract VirtualDiskLayer OpenDiskLayer(FileLocator locator, string path, FileAccess access);
public virtual VirtualDisk OpenDisk(FileLocator locator, string path, string extraInfo, Dictionary <string, string> parameters, FileAccess access)
{
return(OpenDisk(locator, path, access));
}
public abstract VirtualDisk CreateDisk(FileLocator locator, string variant, string path, VirtualDiskParameters diskParameters);