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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2025 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
//
//===----------------------------------------------------------------------===//
public import struct Foundation.Data
public import class Foundation.JSONDecoder
public import class Foundation.JSONEncoder
/// Returns the raw bytes of the given object's json representation.
public func jsonDataArray<T: Encodable>(from object: T) throws -> [UInt8] {
Array(try JSONEncoder().encode(object))
}
extension JSONEncoder {
public convenience init(outputFormatting: JSONEncoder.OutputFormatting = []) {
self.init()
self.outputFormatting = outputFormatting
}
}
extension JSONDecoder {
public func decode<T>(_ type: T.Type, from path: Path, fs: any FSProxy) throws -> T where T : Decodable {
let data = try fs.read(path)
do {
return try decode(type, from: Data(data))
} catch {
throw JSONFileParsingError(path: path, data: data, type: type)
}
}
}
public struct JSONFileParsingError<T>: Error, CustomStringConvertible, Sendable {
public let path: Path
public let data: ByteString
public let type: T.Type
public var description: String {
"Failed to decode contents of file '\(path.str)' as \(type): \(data.unsafeStringValue)"
}
}
public struct CommandLineOutputJSONParsingError: Error, CustomStringConvertible, Sendable {
public let commandLine: [String]
public let data: Data
public init(commandLine: [String], data: Data) {
self.commandLine = commandLine
self.data = data
}
public var description: String {
let codec = UNIXShellCommandCodec(encodingStrategy: .singleQuotes, encodingBehavior: .fullCommandLine)
return "Could not parse output of `\(codec.encode(commandLine))` as JSON: \(String(decoding: data, as: UTF8.self))"
}
}
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