| // Copyright (C) 2025-2026 Apple Inc. All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions |
| // are met: |
| // 1. Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // 2. Redistributions in binary form must reproduce the above copyright |
| // notice, this list of conditions and the following disclaimer in the |
| // documentation and/or other materials provided with the distribution. |
| // |
| // THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| // THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| // BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| // THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // This is more-or-less duplicate of WebKit/StdLibExtras.swift. Remove this file once that is in WTF. |
| |
| #if ENABLE_CXX_INTEROP |
| |
| import wtf |
| |
| extension WTF.String: LosslessStringConvertible { |
| // Protocol requirement; no documentation needed. |
| // swift-format-ignore: AllPublicDeclarationsHaveDocumentation |
| public init(_ string: Swift.String) { |
| let ns = string as NSString |
| let cf: CFString = ns as CFString |
| self = WTF.String(cf) |
| } |
| |
| // Protocol requirement; no documentation needed. |
| // swift-format-ignore: AllPublicDeclarationsHaveDocumentation |
| public var description: Swift.String { |
| unsafe createNSString().get() |
| } |
| } |
| |
| extension WTF.String: ExpressibleByStringLiteral { |
| // Protocol requirement; no documentation needed. |
| // swift-format-ignore: AllPublicDeclarationsHaveDocumentation |
| public init(stringLiteral: Swift.String) { |
| self.init(stringLiteral) |
| } |
| } |
| |
| extension WTF.String: ExpressibleByNilLiteral { |
| // Protocol requirement; no documentation needed. |
| // swift-format-ignore: AllPublicDeclarationsHaveDocumentation |
| public init(nilLiteral: ()) { |
| self = unsafe WTF.nullString().pointee |
| } |
| } |
| |
| #endif // ENABLE_CXX_INTEROP |