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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
/// Wrapper type representing serialized escaped JSON strings providing helpers
/// for escaped string interpolations for common types such as `AbsolutePath`.
public struct SerializedJSON {
let underlying: String
}
extension SerializedJSON: ExpressibleByStringLiteral {
public init(stringLiteral: String) {
self.underlying = stringLiteral
}
}
extension SerializedJSON: ExpressibleByStringInterpolation {
public init(stringInterpolation: StringInterpolation) {
self.init(underlying: stringInterpolation.value)
}
public struct StringInterpolation: StringInterpolationProtocol {
fileprivate var value: String = ""
private func escape(_ string: String) -> String {
string.replacingOccurrences(of: #"\"#, with: #"\\"#)
}
public init(literalCapacity: Int, interpolationCount: Int) {
self.value.reserveCapacity(literalCapacity)
}
public mutating func appendLiteral(_ literal: String) {
self.value.append(self.escape(literal))
}
public mutating func appendInterpolation(_ value: some CustomStringConvertible) {
self.value.append(self.escape(value.description))
}
}
}
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