449 lines
15 KiB
Swift
449 lines
15 KiB
Swift
import Foundation
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public struct RDAIDocumentIdentifier: RawRepresentable, Codable, Hashable, Sendable {
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public let rawValue: String
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public init(rawValue: String) {
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self.rawValue = rawValue
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}
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}
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public struct RDAIResourceIdentifier: RawRepresentable, Codable, Hashable, Sendable {
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public let rawValue: String
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public init(rawValue: String) {
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self.rawValue = rawValue
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}
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}
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/// UTF-16 offsets are shared by PDF text runs, EPUB search and speech progress.
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public struct RDAITextRange: Codable, Hashable, Sendable {
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public var location: Int
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public var length: Int
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public init(location: Int, length: Int) {
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self.location = max(0, location)
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self.length = max(0, length)
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}
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public var upperBound: Int { location + length }
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public func intersects(_ other: RDAITextRange) -> Bool {
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location < other.upperBound && other.location < upperBound
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}
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}
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public struct RDAINormalizedRect: Codable, Hashable, Sendable {
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public var x: Double
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public var y: Double
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public var width: Double
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public var height: Double
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public init(x: Double, y: Double, width: Double, height: Double) {
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self.x = min(max(x, 0), 1)
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self.y = min(max(y, 0), 1)
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self.width = min(max(width, 0), 1)
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self.height = min(max(height, 0), 1)
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}
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}
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public struct RDAIPDFAnchor: Codable, Hashable, Sendable {
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public enum TextSource: String, Codable, Sendable {
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case native
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case ocr
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}
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public var pageIndex: Int
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public var rects: [RDAINormalizedRect]
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public var textSource: TextSource
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public var readingOrder: Int?
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public init(pageIndex: Int, rects: [RDAINormalizedRect], textSource: TextSource, readingOrder: Int? = nil) {
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self.pageIndex = max(0, pageIndex)
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self.rects = rects
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self.textSource = textSource
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self.readingOrder = readingOrder
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}
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}
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public struct RDAIEPUBAnchor: Codable, Hashable, Sendable {
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public var href: String
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public var cfi: String?
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public var rangeCFI: String?
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public var progression: Double?
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public init(href: String, cfi: String? = nil, rangeCFI: String? = nil, progression: Double? = nil) {
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self.href = href
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self.cfi = cfi
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self.rangeCFI = rangeCFI
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self.progression = progression.map { min(max($0, 0), 1) }
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}
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}
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public enum RDAIAnchor: Hashable, Sendable {
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case pdf(RDAIPDFAnchor)
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case epub(RDAIEPUBAnchor)
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}
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extension RDAIAnchor: Codable {
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private enum CodingKeys: String, CodingKey { case type, pdf, epub }
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private enum Kind: String, Codable { case pdf, epub }
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public init(from decoder: Decoder) throws {
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let container = try decoder.container(keyedBy: CodingKeys.self)
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switch try container.decode(Kind.self, forKey: .type) {
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case .pdf:
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self = .pdf(try container.decode(RDAIPDFAnchor.self, forKey: .pdf))
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case .epub:
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self = .epub(try container.decode(RDAIEPUBAnchor.self, forKey: .epub))
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}
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}
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public func encode(to encoder: Encoder) throws {
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var container = encoder.container(keyedBy: CodingKeys.self)
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switch self {
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case .pdf(let anchor):
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try container.encode(Kind.pdf, forKey: .type)
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try container.encode(anchor, forKey: .pdf)
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case .epub(let anchor):
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try container.encode(Kind.epub, forKey: .type)
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try container.encode(anchor, forKey: .epub)
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}
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}
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}
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public struct RDAILocator: Codable, Hashable, Sendable {
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public var documentIdentifier: RDAIDocumentIdentifier
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public var resourceIdentifier: RDAIResourceIdentifier
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public var textRange: RDAITextRange
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public var anchor: RDAIAnchor
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public var sourceHash: String
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public init(
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documentIdentifier: RDAIDocumentIdentifier,
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resourceIdentifier: RDAIResourceIdentifier,
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textRange: RDAITextRange,
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anchor: RDAIAnchor,
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sourceHash: String
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) {
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self.documentIdentifier = documentIdentifier
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self.resourceIdentifier = resourceIdentifier
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self.textRange = textRange
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self.anchor = anchor
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self.sourceHash = sourceHash
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}
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}
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public struct RDAICitation: Codable, Hashable, Sendable, Identifiable {
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public let id: String
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public let passageIdentifier: String
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public let quote: String
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public let locator: RDAILocator
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public init(id: String = UUID().uuidString, passageIdentifier: String, quote: String, locator: RDAILocator) {
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self.id = id
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self.passageIdentifier = passageIdentifier
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self.quote = quote
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self.locator = locator
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}
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}
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public enum RDAIDocumentFormat: String, Codable, Sendable {
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case pdf
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case epub
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}
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public struct RDAIDocumentDescriptor: Codable, Equatable, Sendable {
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public let identifier: RDAIDocumentIdentifier
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public let title: String
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public let format: RDAIDocumentFormat
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public let contentRevision: String
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public init(identifier: RDAIDocumentIdentifier, title: String, format: RDAIDocumentFormat, contentRevision: String) {
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self.identifier = identifier
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self.title = title
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self.format = format
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self.contentRevision = contentRevision
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}
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}
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public struct RDAIResourceDescriptor: Codable, Equatable, Sendable {
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public let identifier: RDAIResourceIdentifier
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public let title: String?
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public let order: Int
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public let estimatedUTF16Length: Int?
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public init(identifier: RDAIResourceIdentifier, title: String? = nil, order: Int, estimatedUTF16Length: Int? = nil) {
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self.identifier = identifier
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self.title = title
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self.order = max(0, order)
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self.estimatedUTF16Length = estimatedUTF16Length
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}
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}
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public struct RDAILocatorRun: Sendable {
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public let textRange: RDAITextRange
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public let anchor: RDAIAnchor
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public init(textRange: RDAITextRange, anchor: RDAIAnchor) {
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self.textRange = textRange
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self.anchor = anchor
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}
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}
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public struct RDAIResourceSnapshot: Sendable {
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public let descriptor: RDAIResourceDescriptor
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public let sourceText: String
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public let sourceHash: String
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public let locatorRuns: [RDAILocatorRun]
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public init(descriptor: RDAIResourceDescriptor, sourceText: String, sourceHash: String, locatorRuns: [RDAILocatorRun]) {
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self.descriptor = descriptor
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self.sourceText = sourceText
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self.sourceHash = sourceHash
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self.locatorRuns = locatorRuns
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}
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}
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@MainActor
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public protocol RDAIContentProvider: AnyObject {
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func aiDocumentDescriptor() -> RDAIDocumentDescriptor
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func aiResources() async throws -> [RDAIResourceDescriptor]
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func aiResourceSnapshot(for identifier: RDAIResourceIdentifier) async throws -> RDAIResourceSnapshot
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func aiNavigate(to locator: RDAILocator, animated: Bool) async throws
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func aiShowCitationHighlight(_ citation: RDAICitation) async throws
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func aiClearCitationHighlight()
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}
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public struct RDAIReadScope: Codable, Equatable, Sendable {
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public let upperBound: RDAILocator?
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public let includesWholeDocument: Bool
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public init(upperBound: RDAILocator? = nil, includesWholeDocument: Bool = false) {
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self.upperBound = upperBound
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self.includesWholeDocument = includesWholeDocument
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}
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public static let wholeDocument = RDAIReadScope(includesWholeDocument: true)
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}
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@MainActor
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public protocol RDAIReadScopeProviding: AnyObject {
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func aiCurrentReadScope() -> RDAIReadScope
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}
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public enum RDAIPassageKind: String, Codable, Sendable {
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case paragraph
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case unknown
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}
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public struct RDAIPassage: Codable, Equatable, Sendable, Identifiable {
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public let id: String
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public let documentIdentifier: RDAIDocumentIdentifier
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public let resourceIdentifier: RDAIResourceIdentifier
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public let text: String
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public let languageCode: String?
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public let kind: RDAIPassageKind
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public let locator: RDAILocator
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public let contentHash: String
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public let order: Int
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public init(
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id: String,
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documentIdentifier: RDAIDocumentIdentifier,
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resourceIdentifier: RDAIResourceIdentifier,
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text: String,
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languageCode: String?,
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kind: RDAIPassageKind = .paragraph,
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locator: RDAILocator,
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contentHash: String,
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order: Int
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) {
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self.id = id
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self.documentIdentifier = documentIdentifier
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self.resourceIdentifier = resourceIdentifier
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self.text = text
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self.languageCode = languageCode
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self.kind = kind
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self.locator = locator
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self.contentHash = contentHash
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self.order = order
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}
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}
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public enum RDAIEntityKind: String, Codable, Sendable {
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case person
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case place
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case organization
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case other
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}
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public struct RDAIEntityMention: Codable, Equatable, Sendable, Identifiable {
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public let id: String
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public let normalizedName: String
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public let surfaceText: String
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public let kind: RDAIEntityKind
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public let confidence: Double
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public let locator: RDAILocator
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public init(id: String, normalizedName: String, surfaceText: String, kind: RDAIEntityKind, confidence: Double, locator: RDAILocator) {
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self.id = id
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self.normalizedName = normalizedName
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self.surfaceText = surfaceText
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self.kind = kind
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self.confidence = min(max(confidence, 0), 1)
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self.locator = locator
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}
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}
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public struct RDAIAnalysisResult: Sendable {
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public let passages: [RDAIPassage]
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public let entityMentions: [RDAIEntityMention]
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public init(passages: [RDAIPassage], entityMentions: [RDAIEntityMention]) {
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self.passages = passages
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self.entityMentions = entityMentions
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}
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}
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public protocol RDAIAnalyzing: Sendable {
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func analyze(document: RDAIDocumentDescriptor, snapshot: RDAIResourceSnapshot) async -> RDAIAnalysisResult
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}
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public protocol RDAISemanticScoring: Sendable {
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func score(query: String, text: String, languageCode: String?) async -> Double?
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}
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public enum RDAIError: Error, Equatable, Sendable {
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case disabled
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case invalidDocument
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case resourceUnavailable(RDAIResourceIdentifier)
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case staleCitation
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case indexingFailed(String)
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case modelUnavailable(RDAIUnavailableReason)
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case insufficientEvidence
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case storageFailure(String)
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case cancelled
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}
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public enum RDAICapability: String, Codable, Sendable {
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case languageAnalysis, entityExtraction, lexicalSearch, semanticSearch
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case summarization, questionAnswering, characterRelationships
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}
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public enum RDAIUnavailableReason: Equatable, Sendable {
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case operatingSystemUnsupported, deviceNotEligible, appleIntelligenceNotEnabled
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case modelNotReady, languageUnsupported(String?), embeddingAssetsUnavailable
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case providerNotInstalled, unknown(String)
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}
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public enum RDAICapabilityAvailability: Equatable, Sendable {
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case available
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case degraded(reason: RDAIUnavailableReason)
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case unavailable(reason: RDAIUnavailableReason)
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}
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public protocol RDAICapabilityProviding: Sendable {
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func availability(for capability: RDAICapability, locale: Locale?) async -> RDAICapabilityAvailability
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}
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public enum RDAISummaryLength: String, Codable, Sendable { case brief, standard, detailed }
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public enum RDAIAnswerStatus: String, Codable, Sendable { case answered, insufficientEvidence, unsupportedLanguage, unavailable }
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public enum RDAIRelationshipStatus: String, Codable, Sendable { case confirmed, possible, conflicting }
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public struct RDAIGenerationMetadata: Codable, Sendable {
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public let providerIdentifier: String
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public let modelVersion: String?
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public let promptIdentifier: String
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public let promptVersion: Int
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public let generatedAt: Date
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public let scopeHash: String
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public init(providerIdentifier: String, modelVersion: String? = nil, promptIdentifier: String, promptVersion: Int, generatedAt: Date = .init(), scopeHash: String) {
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self.providerIdentifier = providerIdentifier
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self.modelVersion = modelVersion
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self.promptIdentifier = promptIdentifier
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self.promptVersion = promptVersion
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self.generatedAt = generatedAt
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self.scopeHash = scopeHash
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}
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}
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public struct RDAISourcedStatement: Codable, Sendable, Identifiable {
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public let id: String
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public let text: String
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public let citationIdentifiers: [String]
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public init(id: String = UUID().uuidString, text: String, citationIdentifiers: [String]) { self.id = id; self.text = text; self.citationIdentifiers = citationIdentifiers }
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}
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public struct RDAISummary: Codable, Sendable {
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public let title: String
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public let overview: String
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public let keyPoints: [RDAISourcedStatement]
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public let citations: [RDAICitation]
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public let metadata: RDAIGenerationMetadata
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}
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public struct RDAIAnswer: Codable, Sendable {
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public let status: RDAIAnswerStatus
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public let text: String
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public let statements: [RDAISourcedStatement]
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public let citations: [RDAICitation]
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public let metadata: RDAIGenerationMetadata
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}
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public struct RDAICharacter: Codable, Sendable, Identifiable {
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public let id: String
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public let displayName: String
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public let aliases: [String]
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public let description: String
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public let firstAppearance: RDAICitation?
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public let evidence: [RDAICitation]
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}
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public struct RDAIRelationship: Codable, Sendable, Identifiable {
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public let id: String
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public let sourceCharacterIdentifier: String
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public let targetCharacterIdentifier: String
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public let label: String
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public let status: RDAIRelationshipStatus
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public let evidence: [RDAICitation]
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}
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public enum RDAIGenerationTask: Sendable { case summary(RDAISummaryLength), answer, characters, relationships }
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public struct RDAIGenerationRequest: Sendable {
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public let task: RDAIGenerationTask
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public let userText: String?
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public let passages: [RDAIPassage]
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public let locale: Locale
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public let scope: RDAIReadScope
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public init(task: RDAIGenerationTask, userText: String? = nil, passages: [RDAIPassage], locale: Locale = .current, scope: RDAIReadScope) { self.task = task; self.userText = userText; self.passages = passages; self.locale = locale; self.scope = scope }
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}
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public enum RDAIGeneratedArtifact: Sendable {
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case summary(overview: String, statements: [RDAISourcedStatement])
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case answer(text: String, statements: [RDAISourcedStatement])
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case characters([RDAICharacter])
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case relationships([RDAIRelationship])
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}
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public protocol RDAIGenerativeProvider: RDAICapabilityProviding {
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var identifier: String { get }
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func generate(_ request: RDAIGenerationRequest) async throws -> RDAIGeneratedArtifact
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}
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public enum RDAISpoilerPolicy: String, Codable, Sendable { case readContentOnly, wholeDocument }
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public enum RDAIDiagnosticsLevel: String, Codable, Sendable { case disabled, metadataOnly }
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public struct RDAIReaderConfiguration: Sendable {
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public var isAIEnabled: Bool
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public var isLocalOnly: Bool
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public var spoilerPolicy: RDAISpoilerPolicy
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public var maximumRetrievedPassages: Int
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public var storesGeneratedArtifacts: Bool
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public var diagnosticsLevel: RDAIDiagnosticsLevel
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public init(isAIEnabled: Bool = true, isLocalOnly: Bool = true, spoilerPolicy: RDAISpoilerPolicy = .readContentOnly, maximumRetrievedPassages: Int = 4, storesGeneratedArtifacts: Bool = true, diagnosticsLevel: RDAIDiagnosticsLevel = .metadataOnly) { self.isAIEnabled = isAIEnabled; self.isLocalOnly = isLocalOnly; self.spoilerPolicy = spoilerPolicy; self.maximumRetrievedPassages = max(1, maximumRetrievedPassages); self.storesGeneratedArtifacts = storesGeneratedArtifacts; self.diagnosticsLevel = diagnosticsLevel }
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public static let `default` = RDAIReaderConfiguration()
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}
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