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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 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
//
//===----------------------------------------------------------------------===//
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions {
public struct CollectionIndexSubscript<
Wrapped : PredicateExpression,
Index : PredicateExpression
> : PredicateExpression
where
Wrapped.Output : Collection,
Index.Output == Wrapped.Output.Index
{
public typealias Output = Wrapped.Output.Element
public let wrapped: Wrapped
public let index: Index
public init(wrapped: Wrapped, index: Index) {
self.wrapped = wrapped
self.index = index
}
public func evaluate(_ bindings: PredicateBindings) throws -> Output {
let collection = try wrapped.evaluate(bindings)
let indexValue = try index.evaluate(bindings)
guard indexValue >= collection.startIndex && indexValue < collection.endIndex else {
throw PredicateError(.invalidInput("Index \(indexValue) was not within the valid bounds of the collection (\(collection.startIndex) ..< \(collection.endIndex))"))
}
return collection[indexValue]
}
}
public static func build_subscript<Wrapped, Index>(_ wrapped: Wrapped, _ index: Index) -> CollectionIndexSubscript<Wrapped, Index> {
CollectionIndexSubscript(wrapped: wrapped, index: index)
}
}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.CollectionIndexSubscript : Sendable where Wrapped : Sendable, Index : Sendable {}
@available(FoundationPredicate 0.3, *)
extension PredicateExpressions.CollectionIndexSubscript : CustomStringConvertible {
public var description: String {
"CollectionIndexSubscript(wrapped: \(wrapped), index: \(index))"
}
}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.CollectionIndexSubscript : Codable where Wrapped : Codable, Index : Codable {
public func encode(to encoder: Encoder) throws {
var container = encoder.unkeyedContainer()
try container.encode(wrapped)
try container.encode(index)
}
public init(from decoder: Decoder) throws {
var container = try decoder.unkeyedContainer()
self.wrapped = try container.decode(Wrapped.self)
self.index = try container.decode(Index.self)
}
}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.CollectionIndexSubscript : StandardPredicateExpression where Wrapped : StandardPredicateExpression, Index : StandardPredicateExpression {}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions {
public struct CollectionRangeSubscript<
Wrapped : PredicateExpression,
Range : PredicateExpression
> : PredicateExpression
where
Wrapped.Output : Collection,
Range.Output == Swift.Range<Wrapped.Output.Index>
{
public typealias Output = Wrapped.Output.SubSequence
public let wrapped: Wrapped
public let range: Range
public init(wrapped: Wrapped, range: Range) {
self.wrapped = wrapped
self.range = range
}
public func evaluate(_ bindings: PredicateBindings) throws -> Output {
let collection = try wrapped.evaluate(bindings)
let rangeValue = try range.evaluate(bindings)
guard rangeValue.lowerBound >= collection.startIndex && rangeValue.lowerBound <= collection.endIndex else {
throw PredicateError(.invalidInput("Index \(rangeValue.lowerBound) was not within the valid bounds of the collection (\(collection.startIndex) ... \(collection.endIndex))"))
}
guard rangeValue.upperBound >= collection.startIndex && rangeValue.upperBound <= collection.endIndex else {
throw PredicateError(.invalidInput("Index \(rangeValue.upperBound) was not within the valid bounds of the collection (\(collection.startIndex) ... \(collection.endIndex))"))
}
return collection[rangeValue]
}
}
public static func build_subscript<Wrapped, Range>(_ wrapped: Wrapped, _ range: Range) -> CollectionRangeSubscript<Wrapped, Range> {
CollectionRangeSubscript(wrapped: wrapped, range: range)
}
}
@available(FoundationPredicate 0.3, *)
extension PredicateExpressions.CollectionRangeSubscript : CustomStringConvertible {
public var description: String {
"CollectionRangeSubscript(wrapped: \(wrapped), range: \(range))"
}
}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.CollectionRangeSubscript : Sendable where Wrapped : Sendable, Range : Sendable {}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.CollectionRangeSubscript : Codable where Wrapped : Codable, Range : Codable {
public func encode(to encoder: Encoder) throws {
var container = encoder.unkeyedContainer()
try container.encode(wrapped)
try container.encode(range)
}
public init(from decoder: Decoder) throws {
var container = try decoder.unkeyedContainer()
self.wrapped = try container.decode(Wrapped.self)
self.range = try container.decode(Range.self)
}
}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.CollectionRangeSubscript : StandardPredicateExpression where Wrapped : StandardPredicateExpression, Range : StandardPredicateExpression {}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions {
public struct CollectionContainsCollection<
Base : PredicateExpression,
Other : PredicateExpression
> : PredicateExpression
where
Base.Output : Collection,
Other.Output : Collection,
Base.Output.Element == Other.Output.Element,
Base.Output.Element : Equatable
{
public typealias Output = Bool
public let base: Base
public let other: Other
public init(base: Base, other: Other) {
self.base = base
self.other = other
}
public func evaluate(_ bindings: PredicateBindings) throws -> Bool {
try base.evaluate(bindings).contains(try other.evaluate(bindings))
}
}
public static func build_contains<Base, Other>(_ base: Base, _ other: Other) -> CollectionContainsCollection<Base, Other> {
CollectionContainsCollection(base: base, other: other)
}
}
@available(FoundationPredicate 0.3, *)
extension PredicateExpressions.CollectionContainsCollection : CustomStringConvertible {
public var description: String {
"CollectionContainsCollection(base: \(base), other: \(other))"
}
}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.CollectionContainsCollection : Sendable where Base : Sendable, Other : Sendable {}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.CollectionContainsCollection : Codable where Base : Codable, Other : Codable {
public func encode(to encoder: Encoder) throws {
var container = encoder.unkeyedContainer()
try container.encode(base)
try container.encode(other)
}
public init(from decoder: Decoder) throws {
var container = try decoder.unkeyedContainer()
self.base = try container.decode(Base.self)
self.other = try container.decode(Other.self)
}
}
@available(FoundationPredicate 0.1, *)
extension PredicateExpressions.CollectionContainsCollection : StandardPredicateExpression where Base : StandardPredicateExpression, Other : StandardPredicateExpression {}
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