From 83da807200f0e84bfb8e2bd58ca8dad6658dd313 Mon Sep 17 00:00:00 2001
From: DomCR <DomCR@users.noreply.github.com>
Date: Mon, 16 Dec 2024 11:53:27 +0100
Subject: [PATCH] fix

---
 .../DWG/DwgStreamReaders/DwgObjectReader.cs   |  2 +-
 .../DwgObjectWriter.Objects.cs                | 30 +++++++++++++++----
 .../DWG/DwgStreamWriters/DwgObjectWriter.cs   | 11 +++++--
 .../Objects/CadDictionaryWithDefault.cs       |  5 +++-
 4 files changed, 38 insertions(+), 10 deletions(-)

diff --git a/src/ACadSharp/IO/DWG/DwgStreamReaders/DwgObjectReader.cs b/src/ACadSharp/IO/DWG/DwgStreamReaders/DwgObjectReader.cs
index a78448ab..08d1aa42 100644
--- a/src/ACadSharp/IO/DWG/DwgStreamReaders/DwgObjectReader.cs
+++ b/src/ACadSharp/IO/DWG/DwgStreamReaders/DwgObjectReader.cs
@@ -3654,7 +3654,7 @@ private CadTemplate readBlockHeader()
 
 			//Common:
 			//Entry name TV 2
-			//Warning: names ended with a number are not readed in this method
+			//Warning: anonymous blocks do not write the full name, only *{type character}
 			string name = this._textReader.ReadVariableText();
 			if (name.Equals(BlockRecord.ModelSpaceName, System.StringComparison.CurrentCultureIgnoreCase) ||
 				name.Equals(BlockRecord.PaperSpaceName, System.StringComparison.CurrentCultureIgnoreCase))
diff --git a/src/ACadSharp/IO/DWG/DwgStreamWriters/DwgObjectWriter.Objects.cs b/src/ACadSharp/IO/DWG/DwgStreamWriters/DwgObjectWriter.Objects.cs
index 8a1e27fa..7448349a 100644
--- a/src/ACadSharp/IO/DWG/DwgStreamWriters/DwgObjectWriter.Objects.cs
+++ b/src/ACadSharp/IO/DWG/DwgStreamWriters/DwgObjectWriter.Objects.cs
@@ -3,6 +3,7 @@
 using CSUtilities.Converters;
 using CSUtilities.IO;
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 
@@ -152,8 +153,25 @@ private void writeCadDictionaryWithDefault(CadDictionaryWithDefault dictionary)
 		private void writeDictionary(CadDictionary dictionary)
 		{
 			//Common:
-			//Numitems L number of dictonary items
-			this._writer.WriteBitLong(dictionary.Count());
+			//Numitems L number of dictionary items
+			List<NonGraphicalObject> entries = new List<NonGraphicalObject>();
+			foreach (var item in dictionary)
+			{
+				if (item is XRecord && !this.WriteXRecords)
+				{
+					continue;
+				}
+
+				if (item is UnknownNonGraphicalObject)
+				{
+					continue;
+				}
+
+				entries.Add(item);
+			}
+
+			//16
+			this._writer.WriteBitLong(entries.Count);
 
 			//R14 Only:
 			if (this._version == ACadVersion.AC1014)
@@ -171,16 +189,16 @@ private void writeDictionary(CadDictionary dictionary)
 			}
 
 			//Common:
-			foreach (var item in dictionary)
+			foreach (var item in entries)
 			{
 				if (item is XRecord && !this.WriteXRecords)
 				{
-					return;
+					continue;
 				}
 
 				if (item is UnknownNonGraphicalObject)
 				{
-					return;
+					continue;
 				}
 
 				this._writer.WriteVariableText(item.Name);
@@ -730,4 +748,4 @@ private void writeXRecord(XRecord xrecord)
 
 		}
 	}
-}
+}
\ No newline at end of file
diff --git a/src/ACadSharp/IO/DWG/DwgStreamWriters/DwgObjectWriter.cs b/src/ACadSharp/IO/DWG/DwgStreamWriters/DwgObjectWriter.cs
index f7590efe..1270b39f 100644
--- a/src/ACadSharp/IO/DWG/DwgStreamWriters/DwgObjectWriter.cs
+++ b/src/ACadSharp/IO/DWG/DwgStreamWriters/DwgObjectWriter.cs
@@ -257,8 +257,15 @@ private void writeBlockHeader(BlockRecord record)
 
 			//Common:
 			//Entry name TV 2
-			//Warning: names ended with a number are not readed in this method
-			this._writer.WriteVariableText(record.Name);
+			if (record.Flags.HasFlag(BlockTypeFlags.Anonymous))
+			{
+				//Warning: anonymous blocks do not write the full name, only *{type character}
+				this._writer.WriteVariableText(record.Name.Substring(0, 2));
+			}
+			else
+			{
+				this._writer.WriteVariableText(record.Name);
+			}
 
 			this.writeXrefDependantBit(record);
 
diff --git a/src/ACadSharp/Objects/CadDictionaryWithDefault.cs b/src/ACadSharp/Objects/CadDictionaryWithDefault.cs
index 75d95f28..3fb35be3 100644
--- a/src/ACadSharp/Objects/CadDictionaryWithDefault.cs
+++ b/src/ACadSharp/Objects/CadDictionaryWithDefault.cs
@@ -13,10 +13,13 @@ namespace ACadSharp.Objects
 	[DxfSubClass(DxfSubclassMarker.DictionaryWithDefault)]
 	public class CadDictionaryWithDefault : CadDictionary
 	{
+		/// <inheritdoc/>
 		public override ObjectType ObjectType { get { return ObjectType.UNLISTED; } }
 
-		public override string ObjectName => DxfFileToken.ObjectDictionary;
+		/// <inheritdoc/>
+		public override string ObjectName => DxfFileToken.ObjectDictionaryWithDefault;
 
+		/// <inheritdoc/>
 		public override string SubclassMarker => DxfSubclassMarker.DictionaryWithDefault;
 
 		/// <summary>