ThePain/Swiftgram
1
0
Fork 0
mirror of https://github.com/Swiftgram/Telegram-iOS.git synced 2025-12-24 07:05:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix message index ordering

Browse Source
This commit is contained in:
Ali
2021-03-26 23:01:16 +04:00
parent e4fb095cc2
commit e30e4dd22f
3 changed files with 83 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
submodules/Postbox/Sources/Peer.swift
View File

@@ -8,6 +8,22 @@ public struct PeerId: Hashable, CustomStringConvertible, Comparable, Codable {
fileprivate var rawValue: UInt32
var predecessor: Namespace {
if self.rawValue != 0 {
return Namespace(rawValue: self.rawValue - 1)
} else {
return self
}
}
var successor: Namespace {
if self.rawValue != Namespace.max.rawValue {
return Namespace(rawValue: self.rawValue + 1)
} else {
return self
}
}
fileprivate init(rawValue: UInt32) {
precondition((rawValue | 0x7) == 0x7)
@@ -28,12 +44,32 @@ public struct PeerId: Hashable, CustomStringConvertible, Comparable, Codable {
}
public struct Id: Comparable, Hashable, Codable {
public static var min: Id {
return Id(rawValue: 0)
}
public static var max: Id {
return Id(rawValue: 0x000000007fffffff)
}
fileprivate var rawValue: UInt64
var predecessor: Id {
if self.rawValue != 0 {
return Id(rawValue: self.rawValue - 1)
} else {
return self
}
}
var successor: Id {
if self.rawValue != Id.max.rawValue {
return Id(rawValue: self.rawValue + 1)
} else {
return self
}
}
fileprivate init(rawValue: UInt64) {
precondition((rawValue | 0x000FFFFFFFFFFFFF) == 0x000FFFFFFFFFFFFF)
@@ -59,6 +95,34 @@ public struct PeerId: Hashable, CustomStringConvertible, Comparable, Codable {
public let namespace: Namespace
public let id: Id
var predecessor: PeerId {
let previousId = self.id.predecessor
if previousId != self.id {
return PeerId(namespace: self.namespace, id: previousId)
} else {
let previousNamespace = self.namespace.predecessor
if previousNamespace != self.namespace {
return PeerId(namespace: previousNamespace, id: .max)
} else {
return self
}
}
}
var successor: PeerId {
let nextId = self.id.successor
if nextId != self.id {
return PeerId(namespace: self.namespace, id: nextId)
} else {
let nextNamespace = self.namespace.successor
if nextNamespace != self.namespace {
return PeerId(namespace: nextNamespace, id: .min)
} else {
return self
}
}
}
public init(namespace: Namespace, id: Id) {
self.namespace = namespace