Files
sourcekit-lsp/Sources/LanguageServerProtocolExtensions/DocumentURI+symlinkTarget.swift
2024-11-13 16:53:58 -08:00

38 lines
1.1 KiB
Swift

//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#if compiler(>=6)
import Foundation
package import LanguageServerProtocol
import SwiftExtensions
#else
import Foundation
import LanguageServerProtocol
import SwiftExtensions
#endif
extension DocumentURI {
/// If this is a file URI pointing to a symlink, return the realpath of the URI, otherwise return `nil`.
package var symlinkTarget: DocumentURI? {
guard let fileUrl = fileURL else {
return nil
}
guard let realpath = try? DocumentURI(fileUrl.realpath) else {
return nil
}
if realpath == self {
return nil
}
return realpath
}
}