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2c460cb2d5
This lets us use the `Range<Position>` without manually converting back and forth in the majority of cases. See the note on HoverResponse for the behaviour with Optional that makes us have to provide a custom Codable implementation in two places that used to be synthesized.
49 lines
1.6 KiB
Swift
49 lines
1.6 KiB
Swift
//===----------------------------------------------------------------------===//
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//
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// This source file is part of the Swift.org open source project
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//
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// Copyright (c) 2014 - 2019 Apple Inc. and the Swift project authors
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// Licensed under Apache License v2.0 with Runtime Library Exception
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//
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// See https://swift.org/LICENSE.txt for license information
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// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
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//
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//===----------------------------------------------------------------------===//
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import SKSupport
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extension Range where Bound == Position {
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/// Create a range for a single position.
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public init(_ pos: Position) {
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self = pos ..< pos
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}
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}
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/// An LSP-compatible encoding for `Range<Position>`, for use with `CustomCodable`.
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public struct PositionRange: CustomCodableWrapper {
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public var wrappedValue: Range<Position>
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public init(wrappedValue: Range<Position>) {
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self.wrappedValue = wrappedValue
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}
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private enum CodingKeys: String, CodingKey {
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case lowerBound = "start"
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case upperBound = "end"
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}
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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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let lhs = try container.decode(Position.self, forKey: .lowerBound)
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let rhs = try container.decode(Position.self, forKey: .upperBound)
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self.wrappedValue = lhs..<rhs
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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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try container.encode(wrappedValue.lowerBound, forKey: .lowerBound)
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try container.encode(wrappedValue.upperBound, forKey: .upperBound)
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}
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}
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