THRIFT-3773: Swift 3 changes, Squashed (#1084)
Client: swift
diff --git a/lib/swift/Sources/TList.swift b/lib/swift/Sources/TList.swift
new file mode 100644
index 0000000..0077156
--- /dev/null
+++ b/lib/swift/Sources/TList.swift
@@ -0,0 +1,138 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+public struct TList<Element : TSerializable> : RandomAccessCollection, MutableCollection, ExpressibleByArrayLiteral, TSerializable, Hashable {
+ typealias Storage = Array<Element>
+ public typealias Indices = Storage.Indices
+
+ internal var storage = Storage()
+ public init() { }
+ public init(arrayLiteral elements: Element...) {
+ self.storage = Storage(elements)
+ }
+ public init<Source : Sequence>(_ sequence: Source) where Source.Iterator.Element == Element {
+ storage = Storage(sequence)
+ }
+
+ /// Mark: Hashable
+ public var hashValue : Int {
+ let prime = 31
+ var result = 1
+ for element in storage {
+ result = prime &* result &+ element.hashValue
+ }
+ return result
+ }
+
+ /// Mark: TSerializable
+ public static var thriftType : TType { return .list }
+
+ public static func read(from proto: TProtocol) throws -> TList {
+ let (elementType, size) = try proto.readListBegin()
+ if elementType != Element.thriftType {
+ throw TProtocolError(error: .invalidData,
+ extendedError: .unexpectedType(type: elementType))
+ }
+ var list = TList()
+ for _ in 0..<size {
+ let element = try Element.read(from: proto)
+ list.storage.append(element)
+ }
+ try proto.readListEnd()
+ return list
+ }
+
+ public func write(to proto: TProtocol) throws {
+ try proto.writeListBegin(elementType: Element.thriftType, size: Int32(self.count))
+ for element in self.storage {
+ try Element.write(element, to: proto)
+ }
+ try proto.writeListEnd()
+ }
+
+ /// Mark: MutableCollection
+
+ public typealias SubSequence = Storage.SubSequence
+ public typealias Index = Storage.Index
+
+ public subscript(position: Storage.Index) -> Element {
+ get {
+ return storage[position]
+ }
+ set {
+ storage[position] = newValue
+ }
+ }
+
+ public subscript(range: Range<Index>) -> SubSequence {
+ get {
+ return storage[range]
+ }
+ set {
+ storage[range] = newValue
+ }
+ }
+
+ public var startIndex: Index {
+ return storage.startIndex
+ }
+ public var endIndex: Index {
+ return storage.endIndex
+ }
+
+ public func formIndex(after i: inout Index) {
+ storage.formIndex(after: &i)
+ }
+
+ public func formIndex(before i: inout Int) {
+ storage.formIndex(before: &i)
+ }
+
+ public func index(after i: Index) -> Index {
+ return storage.index(after: i)
+ }
+
+ public func index(before i: Int) -> Int {
+ return storage.index(before: i)
+ }
+
+}
+
+extension TList : RangeReplaceableCollection {
+ public mutating func replaceSubrange<C: Collection>(_ subrange: Range<Index>, with newElements: C)
+ where C.Iterator.Element == Element {
+ storage.replaceSubrange(subrange, with: newElements)
+ }
+}
+
+extension TList : CustomStringConvertible, CustomDebugStringConvertible {
+
+ public var description : String {
+ return storage.description
+ }
+
+ public var debugDescription : String {
+ return storage.debugDescription
+ }
+
+}
+
+public func ==<Element>(lhs: TList<Element>, rhs: TList<Element>) -> Bool {
+ return lhs.storage.elementsEqual(rhs.storage) { $0 == $1 }
+}