/// <summary>
/// Determines whether an assembly reference is considered an assembly file path or an assembly name.
/// used, for example, on values of /r and #r.
/// </summary>
public static bool IsFilePath(string assemblyDisplayNameOrPath)
{
Debug.Assert(assemblyDisplayNameOrPath != null);
string extension = FileNameUtilities.GetExtension(assemblyDisplayNameOrPath);
return(string.Equals(extension, ".dll", StringComparison.OrdinalIgnoreCase) ||
string.Equals(extension, ".exe", StringComparison.OrdinalIgnoreCase) ||
assemblyDisplayNameOrPath.IndexOf(DirectorySeparatorChar) != -1 ||
assemblyDisplayNameOrPath.IndexOf(AltDirectorySeparatorChar) != -1);
}
public static string GetFileName(string path, bool includeExtension = true)
{
return(FileNameUtilities.GetFileName(path, includeExtension));
}
public static string RemoveExtension(string path)
{
return(FileNameUtilities.ChangeExtension(path, extension: null));
}
public static string ChangeExtension(string path, string extension)
{
return(FileNameUtilities.ChangeExtension(path, extension));
}
public static string GetExtension(string path)
{
return(FileNameUtilities.GetExtension(path));
}
/// <summary>
/// Checks that the specified name is a valid metadata String and a file name.
/// The specification isn't entirely consistent and complete but it mentions:
///
/// 22.19.2: "Name shall index a non-empty string in the String heap. It shall be in the format {filename}.{extension} (e.g., 'goo.dll', but not 'c:\utils\goo.dll')."
/// 22.30.2: "The format of Name is {file name}.{file extension} with no path or drive letter; on POSIX-compliant systems Name contains no colon, no forward-slash, no backslash."
/// As Microsoft specific constraint.
///
/// A reasonable restriction seems to be a valid UTF8 non-empty string that doesn't contain '\0', '\', '/', ':' characters.
/// </summary>
public static bool IsValidMetadataFileName(string name)
{
return(FileNameUtilities.IsFileName(name) && IsValidMetadataIdentifier(name));
}