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//===--- IndexStoreDB.swift -----------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 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
//
//===----------------------------------------------------------------------===//
@_implementationOnly import CIndexStoreDB
public struct StoreUnitInfo {
public let mainFilePath: String
public let unitName: String
}
/// Delegate for index events.
public protocol IndexDelegate: AnyObject {
/// The index will process `count` unit files.
func processingAddedPending(_ count: Int)
/// The index finished processing `count` unit files.
func processingCompleted(_ count: Int)
/// Notification about out-of-date unit.
/// - Parameters:
/// - outOfDateModTime: number of nanoseconds since clock's epoch.
/// - triggerHintFile: file path that was determined as out-of-date.
/// - triggerHintDescription: full description of the out-of-date trigger.
/// - synchronous: whether the event needs to be handled synchronously.
func unitIsOutOfDate(
_ unitInfo: StoreUnitInfo,
outOfDateModTime: UInt64,
triggerHintFile: String,
triggerHintDescription: String,
synchronous: Bool
)
}
extension IndexDelegate {
public func unitIsOutOfDate(
_ unitInfo: StoreUnitInfo,
outOfDateModTime: UInt64,
triggerHintFile: String,
triggerHintDescription: String,
synchronous: Bool
) {
}
}
extension IndexDelegate {
internal func handleEvent(_ event: indexstoredb_delegate_event_t) {
let kind = indexstoredb_delegate_event_get_kind(event)
switch kind {
case INDEXSTOREDB_EVENT_PROCESSING_ADDED_PENDING:
let count = indexstoredb_delegate_event_get_count(event)
self.processingAddedPending(Int(count))
case INDEXSTOREDB_EVENT_PROCESSING_COMPLETED:
let count = indexstoredb_delegate_event_get_count(event)
self.processingCompleted(Int(count))
case INDEXSTOREDB_EVENT_UNIT_OUT_OF_DATE:
let c_unitInfo = indexstoredb_delegate_event_get_outofdate_unit_info(event)!
let unitInfo = StoreUnitInfo(
mainFilePath: String(cString: indexstoredb_unit_info_main_file_path(c_unitInfo)),
unitName: String(cString: indexstoredb_unit_info_unit_name(c_unitInfo))
)
self.unitIsOutOfDate(
unitInfo,
outOfDateModTime: indexstoredb_delegate_event_get_outofdate_modtime(event),
triggerHintFile: String(cString: indexstoredb_delegate_event_get_outofdate_trigger_original_file(event)!),
triggerHintDescription: String(cString: indexstoredb_delegate_event_get_outofdate_trigger_description(event)!),
synchronous: indexstoredb_delegate_event_get_outofdate_is_synchronous(event)
)
default:
return
}
}
}
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