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Code Issues 95 Packages Projects Releases 10 Wiki Activity

improved caching in utility methods

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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
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38
Sources/ListSnapshot.swift
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@@ -46,7 +46,7 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
public subscript<S: Sequence>(indices indices: S) -> [LiveObject<O>] where S.Element == Index {
let context = self.context!
let itemIDs = self.diffableSnapshot.allItemIDs
let itemIDs = self.diffableSnapshot.itemIdentifiers
return indices.map { position in
let itemID = itemIDs[position]
@@ -57,7 +57,7 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
public subscript(section sectionID: SectionID) -> [LiveObject<O>] {
let context = self.context!
let itemIDs = self.diffableSnapshot.itemIDs(inSection: sectionID)
let itemIDs = self.diffableSnapshot.itemIdentifiers(inSection: sectionID)
return itemIDs.map {
return LiveObject<O>(id: $0, context: context)
@@ -67,7 +67,7 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
public subscript<S: Sequence>(section sectionID: SectionID, itemIndices itemIndices: S) -> [LiveObject<O>] where S.Element == Int {
let context = self.context!
let itemIDs = self.diffableSnapshot.itemIDs(inSection: sectionID)
let itemIDs = self.diffableSnapshot.itemIdentifiers(inSection: sectionID)
return itemIndices.map { position in
let itemID = itemIDs[position]
@@ -85,14 +85,14 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
return self.diffableSnapshot.numberOfSections
}
public var sectionIDs: [SectionID] {
public var sectionIdentifiers: [SectionID] {
return self.diffableSnapshot.allSectionIDs
return self.diffableSnapshot.sectionIdentifiers
}
public var itemIdentifiers: [ItemID] {
return self.diffableSnapshot.allItemIDs
return self.diffableSnapshot.itemIdentifiers
}
public func numberOfItems(inSection identifier: SectionID) -> Int {
@@ -102,28 +102,28 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
public func itemIdentifiers(inSection identifier: SectionID) -> [ItemID] {
return self.diffableSnapshot.itemIDs(inSection: identifier)
return self.diffableSnapshot.itemIdentifiers(inSection: identifier)
}
public func itemIdentifiers(inSection identifier: SectionID, atIndices indices: IndexSet) -> [ItemID] {
let itemIDs = self.diffableSnapshot.itemIDs(inSection: identifier)
let itemIDs = self.diffableSnapshot.itemIdentifiers(inSection: identifier)
return indices.map({ itemIDs[$0] })
}
public func sectionIdentifier(containingItem identifier: ItemID) -> SectionID? {
return self.diffableSnapshot.sectionIDs(containingItem: identifier)
return self.diffableSnapshot.sectionIdentifier(containingItem: identifier)
}
public func indexOfItem(_ identifier: ItemID) -> Index? {
return self.diffableSnapshot.indexOfItemID(identifier)
return self.diffableSnapshot.indexOfItem(identifier)
}
public func indexOfSection(_ identifier: SectionID) -> Int? {
return self.diffableSnapshot.indexOfSectionID(identifier)
return self.diffableSnapshot.indexOfSection(identifier)
}
public mutating func appendItems(_ identifiers: [ItemID], toSection sectionIdentifier: SectionID? = nil) {
@@ -163,7 +163,7 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
public mutating func reloadItems(_ identifiers: [ItemID]) {
self.diffableSnapshot.reloadItems(identifiers, nextStateTag: .init())
self.diffableSnapshot.reloadItems(identifiers)
}
public mutating func appendSections(_ identifiers: [SectionID]) {
@@ -198,7 +198,7 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
public mutating func reloadSections(_ identifiers: [SectionID]) {
self.diffableSnapshot.reloadSections(identifiers, nextStateTag: .init())
self.diffableSnapshot.reloadSections(identifiers)
}
@@ -211,18 +211,18 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
public var startIndex: Index {
return self.diffableSnapshot.allItemIDs.startIndex
return self.diffableSnapshot.itemIdentifiers.startIndex
}
public var endIndex: Index {
return self.diffableSnapshot.allItemIDs.endIndex
return self.diffableSnapshot.itemIdentifiers.endIndex
}
public subscript(position: Index) -> Element {
let context = self.context!
let itemID = self.diffableSnapshot.allItemIDs[position]
let itemID = self.diffableSnapshot.itemIdentifiers[position]
return LiveObject<O>(id: itemID, context: context)
}
@@ -254,11 +254,11 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
internal init() {
self.diffableSnapshot = .init()
self.diffableSnapshot = Internals.DiffableDataSourceSnapshot()
self.context = nil
}
internal init(diffableSnapshot: Internals.DiffableDataSourceSnapshot, context: NSManagedObjectContext) {
internal init(diffableSnapshot: DiffableDataSourceSnapshotProtocol, context: NSManagedObjectContext) {
self.diffableSnapshot = diffableSnapshot
self.context = context
@@ -270,5 +270,5 @@ public struct ListSnapshot<O: DynamicObject>: SnapshotResult, RandomAccessCollec
private let id: UUID = .init()
private let context: NSManagedObjectContext?
private var diffableSnapshot: Internals.DiffableDataSourceSnapshot
private var diffableSnapshot: DiffableDataSourceSnapshotProtocol
}