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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 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
//
//===----------------------------------------------------------------------===//
import Csourcekitd
import SourceKitD
/// Provide getters to get values for a sourcekitd request array.
///
/// This is not part of the `SourceKitD` module because it uses `SourceKitD.servicePluginAPI` which must not be accessed
/// outside of the service plugin.
final class SKDRequestArrayReader: Sendable {
nonisolated(unsafe) let array: sourcekitd_api_object_t
private let sourcekitd: SourceKitD
/// Creates an `SKDRequestArray` that essentially provides a view into the given opaque `sourcekitd_api_object_t`.
init(_ array: sourcekitd_api_object_t, sourcekitd: SourceKitD) {
self.array = array
self.sourcekitd = sourcekitd
_ = sourcekitd.api.request_retain(array)
}
deinit {
_ = sourcekitd.api.request_release(array)
}
var count: Int { return sourcekitd.servicePluginApi.request_array_get_count(array) }
/// If the `applier` returns `false`, iteration terminates.
@discardableResult
func forEach(_ applier: (Int, SKDRequestDictionaryReader) throws -> Bool) rethrows -> Bool {
for i in 0..<count {
let value = sourcekitd.servicePluginApi.request_array_get_value(array, i)!
guard let dict = SKDRequestDictionaryReader(value, sourcekitd: sourcekitd) else {
continue
}
if try !applier(i, dict) {
return false
}
}
return true
}
/// Attempt to access the item at `index` as a string.
subscript(index: Int) -> String? {
if let cstr = sourcekitd.servicePluginApi.request_array_get_string(array, index) {
return String(cString: cstr)
}
return nil
}
var asStringArray: [String] {
var result: [String] = []
for i in 0..<count {
if let string = self[i] {
result.append(string)
}
}
return result
}
}
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