54 lines
1.7 KiB
Swift
54 lines
1.7 KiB
Swift
// ===----------------------------------------------------------------------===
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//
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// This source file is part of the Hummingbird DocC open source project
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//
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// Copyright (c) 2025 Röck+Cöde VoF. and the Hummingbird DocC project authors
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// Licensed under Apache license v2.0
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//
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// See LICENSE for license information
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// See CONTRIBUTORS for the list of Hummingbird DocC project authors
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//
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// SPDX-License-Identifier: Apache-2.0
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//
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// ===----------------------------------------------------------------------===
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import struct HummingbirdCore.URI
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/// A use case that checks whether a given URI against a set of conditions, to determine whether the URI could be used by the middleware or not.
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struct CheckURIUseCase {
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// MARK: Properties
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/// A root path that prefixes the documentation resource.
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private let uriRoot: String
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// MARK: Initializers
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/// Initializes this use case.
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///
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/// > important: It is assumed that the `uriRoot` parameter is not empty and that it is prefixed by the `/` character.
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///
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/// - Parameter uriRoot: A root path that prefixes the documentation resource.
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init(uriRoot: String) {
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self.uriRoot = uriRoot
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}
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// MARK: Functions
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/// Checks whether a provided URI against a set of conditions, so it could be used by the middleware.
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/// - Parameter uri: A URI to check.
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/// - Returns: A non-encoded URI, which is ready to be used by the middleware.
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func callAsFunction(_ uri: URI) -> String? {
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guard
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let uriPath = uri.path.removingPercentEncoding,
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uriPath.hasPrefix(uriRoot),
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!uriPath.contains(.Path.previousFolder)
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else {
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return nil
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}
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return uriPath
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}
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}
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