csharpdeeb25a2 | 1 | #nullable enable |
| 2 | |
| 3 | namespace CascadeIDE.Features.Chat; |
| 4 | |
| 5 | /// <summary>Поиск тела сообщения в <see cref="ChatSurfaceSnapshot"/> по индексу ленты.</summary> |
| 6 | public static class ChatSurfaceSnapshotMessageLookup |
| 7 | { |
| 8 | public static string? TryGetMessageBody(ChatSurfaceSnapshot? snapshot, int messageIndex) |
| 9 | { |
| 10 | if (snapshot is null || messageIndex < 0) |
| 11 | return null; |
| 12 | |
| 13 | foreach (var lane in snapshot.Layout.Lanes) |
| 14 | { |
| 15 | foreach (var entry in lane.Entries) |
| 16 | { |
| 17 | if (entry.Kind != ChatSurfaceEntryKind.Message) |
| 18 | continue; |
| 19 | if (entry.MessageIndex == messageIndex) |
| 20 | return entry.Body; |
| 21 | } |
| 22 | } |
| 23 | |
| 24 | return null; |
| 25 | } |
| 26 | } |
| 27 | |
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