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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2018 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
//
//===----------------------------------------------------------------------===//
#if compiler(>=6)
import Foundation
package import LanguageServerProtocol
import LanguageServerProtocolExtensions
import SKLogging
#else
import Foundation
import LanguageServerProtocol
import LanguageServerProtocolExtensions
import SKLogging
#endif
/// Represents metadata that SourceKit-LSP injects at every command returned by code actions.
/// The ExecuteCommand is not a TextDocumentRequest, so metadata is injected to allow SourceKit-LSP
/// to determine where a command should be executed.
package struct SourceKitLSPCommandMetadata: Codable, Hashable {
package var sourcekitlsp_textDocument: TextDocumentIdentifier
package init?(fromLSPDictionary dictionary: [String: LSPAny]) {
let textDocumentKey = CodingKeys.sourcekitlsp_textDocument.stringValue
guard case .dictionary(let textDocumentDict)? = dictionary[textDocumentKey],
let textDocument = TextDocumentIdentifier(fromLSPDictionary: textDocumentDict)
else {
return nil
}
self.init(textDocument: textDocument)
}
package init(textDocument: TextDocumentIdentifier) {
self.sourcekitlsp_textDocument = textDocument
}
package func encodeToLSPAny() -> LSPAny {
return .dictionary([
CodingKeys.sourcekitlsp_textDocument.stringValue: sourcekitlsp_textDocument.encodeToLSPAny()
])
}
}
extension CodeActionRequest {
package func injectMetadata(toResponse response: CodeActionRequestResponse?) -> CodeActionRequestResponse? {
let metadata = SourceKitLSPCommandMetadata(textDocument: textDocument)
let metadataArgument = metadata.encodeToLSPAny()
switch response {
case .codeActions(var codeActions)?:
for i in 0..<codeActions.count {
codeActions[i].command?.arguments?.append(metadataArgument)
}
return .codeActions(codeActions)
case .commands(var commands)?:
for i in 0..<commands.count {
commands[i].arguments?.append(metadataArgument)
}
return .commands(commands)
case nil:
return nil
}
}
}
extension ExecuteCommandRequest {
/// The document in which the command was invoked.
package var textDocument: TextDocumentIdentifier? {
return metadata?.sourcekitlsp_textDocument
}
/// Optional metadata containing SourceKit-LSP information about this command.
package var metadata: SourceKitLSPCommandMetadata? {
guard case .dictionary(let dictionary)? = arguments?.last else {
return nil
}
guard let metadata = SourceKitLSPCommandMetadata(fromLSPDictionary: dictionary) else {
logger.error("failed to decode lsp metadata in executeCommand request")
return nil
}
return metadata
}
/// Returns this Command's arguments without SourceKit-LSP's injected metadata, if it exists.
package var argumentsWithoutSourceKitMetadata: [LSPAny]? {
guard metadata != nil else {
return arguments
}
return arguments?.dropLast()
}
}
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