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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2020-2023 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 FOUNDATION_FRAMEWORK
@_spi(Unstable) internal import CollectionsInternal
#elseif canImport(_RopeModule)
internal import _RopeModule
#elseif canImport(_FoundationCollections)
internal import _FoundationCollections
#endif
@available(macOS 12, iOS 15, tvOS 15, watchOS 8, *)
extension AttributedString.Runs {
@dynamicMemberLookup
public struct Run: Sendable {
internal typealias _AttributeStorage = AttributedString._AttributeStorage
internal let _attributes: _AttributeStorage
internal let _range: Range<BigString.Index>
// FIXME: Remove this and update description to only print attribute values
internal let _guts: AttributedString.Guts
internal init(
_attributes attributes: _AttributeStorage,
_ range: Range<BigString.Index>,
_ guts: AttributedString.Guts
) {
self._attributes = attributes
self._range = range
self._guts = guts
}
}
}
@available(macOS 12, iOS 15, tvOS 15, watchOS 8, *)
extension AttributedString.Runs.Run: Equatable {
public static func == (lhs: Self, rhs: Self) -> Bool {
lhs._range._utf8OffsetRange.count == rhs._range._utf8OffsetRange.count
&& lhs._attributes == rhs._attributes
}
}
@available(macOS 12, iOS 15, tvOS 15, watchOS 8, *)
extension AttributedString.Runs.Run: CustomStringConvertible {
public var description: String {
AttributedSubstring(_guts, in: _range).description
}
}
@available(macOS 12, iOS 15, tvOS 15, watchOS 8, *)
extension AttributedString.Runs.Run {
public var range: Range<AttributedString.Index> {
let lower = AttributedString.Index(_range.lowerBound)
let upper = AttributedString.Index(_range.upperBound)
return Range(uncheckedBounds: (lower, upper))
}
internal var _utf8Count: Int {
_range._utf8OffsetRange.count
}
internal func clamped(to range: Range<BigString.Index>) -> Self {
Self(_attributes: self._attributes, _range.clamped(to: range), _guts)
}
public var attributes: AttributeContainer {
AttributeContainer(self._attributes)
}
}
@available(macOS 12, iOS 15, tvOS 15, watchOS 8, *)
extension AttributedString.Runs.Run {
@preconcurrency
public subscript<K: AttributedStringKey>(
dynamicMember keyPath: KeyPath<AttributeDynamicLookup, K>
) -> K.Value?
where K.Value: Sendable {
get { self[K.self] }
}
@preconcurrency
public subscript<K: AttributedStringKey>(_: K.Type) -> K.Value? where K.Value: Sendable {
get { _attributes[K.self] }
}
public subscript<S: AttributeScope>(
dynamicMember keyPath: KeyPath<AttributeScopes, S.Type>
) -> ScopedAttributeContainer<S> {
get { ScopedAttributeContainer(_attributes) }
}
internal subscript<S: AttributeScope>(_ scope: S.Type) -> ScopedAttributeContainer<S> {
get { ScopedAttributeContainer(_attributes) }
}
}
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