starred/CoreStore-JohnEstropia
1
0
Fork 0
mirror of https://github.com/JohnEstropia/CoreStore.git synced 2026-03-23 09:51:12 +01:00
Code Issues 95 Packages Projects Releases 10 Wiki Activity

improved caching in utility methods

Browse Source
This commit is contained in:
John Estropia
2019-10-12 10:02:00 +09:00
parent 5af0d17de4
commit 12c58e3955
10 changed files with 307 additions and 112 deletions
Download Patch File Download Diff File Expand all files Collapse all files

114
Sources/Internals.DiffableDataSourceSnapshot.swift
View File

@@ -40,24 +40,26 @@ import AppKit
extension Internals {
// MARK: - DiffableDataSourceSnapshot
// Implementation based on https://github.com/ra1028/DiffableDataSources
internal struct DiffableDataSourceSnapshot {
internal struct DiffableDataSourceSnapshot: DiffableDataSourceSnapshotProtocol {
// MARK: Internal
init() {
self.structure = .init()
}
init(sections: [NSFetchedResultsSectionInfo]) {
self.structure = .init(sections: sections)
}
// MARK: DiffableDataSourceSnapshotProtocol
init() {
self.structure = .init()
}
var numberOfItems: Int {
return self.structure.allItemIDs.count
@@ -68,37 +70,37 @@ extension Internals {
return self.structure.allSectionIDs.count
}
var allSectionIDs: [String] {
var sectionIdentifiers: [String] {
return self.structure.allSectionIDs
}
var allItemIDs: [NSManagedObjectID] {
var itemIdentifiers: [NSManagedObjectID] {
return self.structure.allItemIDs
}
func numberOfItems(inSection identifier: String) -> Int {
return self.itemIDs(inSection: identifier).count
return self.itemIdentifiers(inSection: identifier).count
}
func itemIDs(inSection identifier: String) -> [NSManagedObjectID] {
func itemIdentifiers(inSection identifier: String) -> [NSManagedObjectID] {
return self.structure.items(in: identifier)
}
func sectionIDs(containingItem identifier: NSManagedObjectID) -> String? {
func sectionIdentifier(containingItem identifier: NSManagedObjectID) -> String? {
return self.structure.section(containing: identifier)
}
func indexOfItemID(_ identifier: NSManagedObjectID) -> Int? {
func indexOfItem(_ identifier: NSManagedObjectID) -> Int? {
return self.structure.allItemIDs.firstIndex(of: identifier)
}
func indexOfSectionID(_ identifier: String) -> Int? {
func indexOfSection(_ identifier: String) -> Int? {
return self.structure.allSectionIDs.firstIndex(of: identifier)
}
@@ -138,9 +140,9 @@ extension Internals {
self.structure.move(itemID: identifier, after: toIdentifier)
}
mutating func reloadItems<S: Sequence>(_ identifiers: S, nextStateTag: UUID) where S.Element == NSManagedObjectID {
mutating func reloadItems(_ identifiers: [NSManagedObjectID]) {
self.structure.update(itemIDs: identifiers, nextStateTag: nextStateTag)
self.structure.update(itemIDs: identifiers)
}
mutating func appendSections(_ identifiers: [String]) {
@@ -173,9 +175,9 @@ extension Internals {
self.structure.move(sectionID: identifier, after: toIdentifier)
}
mutating func reloadSections<S: Sequence>(_ identifiers: S, nextStateTag: UUID) where S.Element == String {
mutating func reloadSections(_ identifiers: [String]) {
self.structure.update(sectionIDs: identifiers, nextStateTag: nextStateTag)
self.structure.update(sectionIDs: identifiers)
}
@@ -388,7 +390,7 @@ extension Internals {
.insert(removed, at: itemIndex)
}
mutating func update<S: Sequence>(itemIDs: S, nextStateTag: UUID) where S.Element == NSManagedObjectID {
mutating func update<S: Sequence>(itemIDs: S) where S.Element == NSManagedObjectID {
let itemPositionMap = self.itemPositionMap()
for itemID in itemIDs {
@@ -464,7 +466,7 @@ extension Internals {
self.sections.insert(removed, at: sectionIndex)
}
mutating func update<S: Sequence>(sectionIDs: S, nextStateTag: UUID) where S.Element == String {
mutating func update<S: Sequence>(sectionIDs: S) where S.Element == String {
for sectionID in sectionIDs {
@@ -590,4 +592,76 @@ extension Internals {
}
// MARK: - NSDiffableDataSourceSnapshot: DiffableDataSourceSnapshotProtocol
@available(iOS 13.0, tvOS 13.0, watchOS 6.0, macOS 15.0, *)
extension NSDiffableDataSourceSnapshot: DiffableDataSourceSnapshotProtocol where SectionIdentifierType == NSString, ItemIdentifierType == NSManagedObjectID {
internal var sectionIdentifiers: [String] {
return self.sectionIdentifiers as [NSString] as [String]
}
internal func numberOfItems(inSection identifier: String) -> Int {
return self.numberOfItems(inSection: identifier as NSString)
}
internal func itemIdentifiers(inSection identifier: String) -> [NSManagedObjectID] {
return self.itemIdentifiers(inSection: identifier as NSString)
}
internal func sectionIdentifier(containingItem identifier: NSManagedObjectID) -> String? {
return self.sectionIdentifier(containingItem: identifier) as NSString? as String?
}
internal func indexOfSection(_ identifier: String) -> Int? {
return self.indexOfSection(identifier as NSString)
}
internal mutating func appendItems(_ identifiers: [NSManagedObjectID], toSection sectionIdentifier: String?) {
self.appendItems(identifiers, toSection: sectionIdentifier as NSString?)
}
internal mutating func appendSections(_ identifiers: [String]) {
self.appendSections(identifiers as [NSString])
}
internal mutating func insertSections(_ identifiers: [String], beforeSection toIdentifier: String) {
self.insertSections(identifiers as [NSString], beforeSection: toIdentifier as NSString)
}
internal mutating func insertSections(_ identifiers: [String], afterSection toIdentifier: String) {
return self.insertSections(identifiers as [NSString], afterSection: toIdentifier as NSString)
}
internal mutating func deleteSections(_ identifiers: [String]) {
self.deleteSections(identifiers as [NSString])
}
internal mutating func moveSection(_ identifier: String, beforeSection toIdentifier: String) {
self.moveSection(identifier as NSString, beforeSection: toIdentifier as NSString)
}
internal mutating func moveSection(_ identifier: String, afterSection toIdentifier: String) {
self.moveSection(identifier as NSString, afterSection: toIdentifier as NSString)
}
internal mutating func reloadSections(_ identifiers: [String]) {
self.reloadSections(identifiers as [NSString])
}
}
#endif