18713416846

Committed 22 Oct 2025 10:35AM UTC coverage: 78.048% (+0.1%) from 77.923%

Build # 18713416846

Build Type

Pull #831

github

Committed by

web-flow

Commit Message

Merge 7f185e92a into f84cb1d2a

Pull Request Pull Request #831: Table entity refactor

Run Details

7226 of 10046 branches covered (71.93%)

Branch coverage included in aggregate %.

547 of 637 new or added lines in 13 files covered. (85.87%)

10 existing lines in 4 files now uncovered.

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84.96

/src/ACadSharp/IO/DXF/DxfStreamReader/DxfObjectsSectionReader.cs

﻿using ACadSharp.Classes;
using ACadSharp.Entities;
using ACadSharp.IO.Templates;
using ACadSharp.Objects;
using ACadSharp.Objects.Evaluations;
using CSMath;
using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
using static ACadSharp.IO.Templates.CadEvaluationGraphTemplate;
using static ACadSharp.IO.Templates.CadTableEntityTemplate;

namespace ACadSharp.IO.DXF
{
        internal class DxfObjectsSectionReader : DxfSectionReaderBase
        {
                public delegate bool ReadObjectDelegate<T>(CadTemplate template, DxfMap map) where T : CadObject;

                public DxfObjectsSectionReader(IDxfStreamReader reader, DxfDocumentBuilder builder)
                        : base(reader, builder)
                {
                }

                public override void Read()
                {
                        //Advance to the first value in the section
                        this._reader.ReadNext();

                        //Loop until the section ends
                        while (this._reader.ValueAsString != DxfFileToken.EndSection)
                        {
                                CadTemplate template = null;

                                try
                                {
                                        template = this.readObject();
                                }
                                catch (Exception ex)
                                {
                                        if (!this._builder.Configuration.Failsafe)
                                                throw;

                                        this._builder.Notify($"Error while reading an object at line {this._reader.Position}", NotificationType.Error, ex);

                                        while (this._reader.DxfCode != DxfCode.Start)
                                                this._reader.ReadNext();
                                }

                                if (template == null)
                                        continue;

                                //Add the object and the template to the builder
                                this._builder.AddTemplate(template);
                        }
                }

                private CadTemplate readObject()
                {
                        switch (this._reader.ValueAsString)
                        {
                                case DxfFileToken.ObjectPlaceholder:
                                        return this.readObjectCodes<AcdbPlaceHolder>(new CadNonGraphicalObjectTemplate(new AcdbPlaceHolder()), this.readObjectSubclassMap);
                                case DxfFileToken.ObjectDBColor:
                                        return this.readObjectCodes<BookColor>(new CadNonGraphicalObjectTemplate(new BookColor()), this.readBookColor);
                                case DxfFileToken.ObjectDictionary:
                                        return this.readObjectCodes<CadDictionary>(new CadDictionaryTemplate(), this.readDictionary);
                                case DxfFileToken.ObjectDictionaryWithDefault:
                                        return this.readObjectCodes<CadDictionaryWithDefault>(new CadDictionaryWithDefaultTemplate(), this.readDictionaryWithDefault);
                                case DxfFileToken.ObjectLayout:
                                        return this.readObjectCodes<Layout>(new CadLayoutTemplate(), this.readLayout);
                                case DxfFileToken.ObjectPlotSettings:
                                        return this.readObjectCodes<PlotSettings>(new CadNonGraphicalObjectTemplate(new PlotSettings()), this.readPlotSettings);
                                case DxfFileToken.ObjectEvalGraph:
                                        return this.readObjectCodes<EvaluationGraph>(new CadEvaluationGraphTemplate(), this.readEvaluationGraph);
                                case DxfFileToken.ObjectImageDefinition:
                                        return this.readObjectCodes<ImageDefinition>(new CadNonGraphicalObjectTemplate(new ImageDefinition()), this.readObjectSubclassMap);
                                case DxfFileToken.ObjectDictionaryVar:
                                        return this.readObjectCodes<DictionaryVariable>(new CadTemplate<DictionaryVariable>(new DictionaryVariable()), this.readObjectSubclassMap);
                                case DxfFileToken.ObjectPdfDefinition:
                                        return this.readObjectCodes<PdfUnderlayDefinition>(new CadNonGraphicalObjectTemplate(new PdfUnderlayDefinition()), this.readObjectSubclassMap);
                                case DxfFileToken.ObjectSortEntsTable:
                                        return this.readSortentsTable();
                                case DxfFileToken.ObjectImageDefinitionReactor:
                                        return this.readObjectCodes<ImageDefinitionReactor>(new CadNonGraphicalObjectTemplate(new ImageDefinitionReactor()), this.readObjectSubclassMap);
                                case DxfFileToken.ObjectProxyObject:
                                        return this.readObjectCodes<ProxyObject>(new CadNonGraphicalObjectTemplate(new ProxyObject()), this.readProxyObject);
                                case DxfFileToken.ObjectRasterVariables:
                                        return this.readObjectCodes<RasterVariables>(new CadNonGraphicalObjectTemplate(new RasterVariables()), this.readObjectSubclassMap);
                                case DxfFileToken.ObjectGroup:
                                        return this.readObjectCodes<Group>(new CadGroupTemplate(), this.readGroup);
                                case DxfFileToken.ObjectGeoData:
                                        return this.readObjectCodes<GeoData>(new CadGeoDataTemplate(), this.readGeoData);
                                case DxfFileToken.ObjectScale:
                                        return this.readObjectCodes<Scale>(new CadTemplate<Scale>(new Scale()), this.readScale);
                                case DxfFileToken.ObjectTableContent:
                                        return this.readObjectCodes<TableContent>(new CadTableContentTemplate(), this.readTableContent);
                                case DxfFileToken.ObjectVisualStyle:
                                        return this.readObjectCodes<VisualStyle>(new CadTemplate<VisualStyle>(new VisualStyle()), this.readVisualStyle);
                                case DxfFileToken.ObjectSpatialFilter:
                                        return this.readObjectCodes<SpatialFilter>(new CadSpatialFilterTemplate(), this.readSpatialFilter);
                                case DxfFileToken.ObjectMLeaderStyle:
                                        return this.readObjectCodes<MultiLeaderStyle>(new CadMLeaderStyleTemplate(), this.readMLeaderStyle);
                                case DxfFileToken.ObjectXRecord:
                                        return this.readObjectCodes<XRecord>(new CadXRecordTemplate(), this.readXRecord);
                                default:
                                        DxfMap map = DxfMap.Create<CadObject>();
                                        CadUnknownNonGraphicalObjectTemplate unknownEntityTemplate = null;
                                        if (this._builder.DocumentToBuild.Classes.TryGetByName(this._reader.ValueAsString, out Classes.DxfClass dxfClass))
                                        {
                                                //this._builder.Notify($"NonGraphicalObject not supported read as an UnknownNonGraphicalObject: {this._reader.ValueAsString}", NotificationType.NotImplemented);
                                                unknownEntityTemplate = new CadUnknownNonGraphicalObjectTemplate(new UnknownNonGraphicalObject(dxfClass));
                                        }
                                        else
                                        {
                                                //this._builder.Notify($"UnknownNonGraphicalObject not supported: {this._reader.ValueAsString}", NotificationType.NotImplemented);
                                        }

                                        this._reader.ReadNext();

                                        do
                                        {
                                                if (unknownEntityTemplate != null && this._builder.KeepUnknownEntities)
                                                {
                                                        this.readCommonCodes(unknownEntityTemplate, out bool isExtendedData, map);
                                                        if (isExtendedData)
                                                                continue;
                                                }

                                                this._reader.ReadNext();
                                        }
                                        while (this._reader.DxfCode != DxfCode.Start);

                                        return unknownEntityTemplate;
                        }
                }

                protected CadTemplate readObjectCodes<T>(CadTemplate template, ReadObjectDelegate<T> readObject)
                        where T : CadObject
                {
                        this._reader.ReadNext();

                        DxfMap map = DxfMap.Create<T>();

                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                if (!readObject(template, map))
                                {
                                        this.readCommonCodes(template, out bool isExtendedData, map);
                                        if (isExtendedData)
                                                continue;
                                }

                                if (this._reader.DxfCode != DxfCode.Start)
                                        this._reader.ReadNext();
                        }

                        return template;
                }

                private bool readProxyObject(CadTemplate template, DxfMap map)
                {
                        ProxyObject proxy = template.CadObject as ProxyObject;

                        switch (this._reader.Code)
                        {
                                case 90:
                                case 94:
                                //Undocumented
                                case 97:
                                case 71:
                                        return true;
                                case 95:
                                        int format = this._reader.ValueAsInt;
                                        proxy.Version = (ACadVersion)(format & 0xFFFF);
                                        proxy.MaintenanceVersion = (short)(format >> 16);
                                        return true;
                                case 91:
                                        var classId = this._reader.ValueAsShort;
                                        if (this._builder.DocumentToBuild.Classes.TryGetByClassNumber(classId, out DxfClass dxfClass))
                                        {
                                                proxy.DxfClass = dxfClass;
                                        }
                                        return true;
                                case 161:
                                        return true;
                                case 162:
                                        return true;
                                case 310:
                                        if (proxy.BinaryData == null)
                                        {
                                                proxy.BinaryData = new MemoryStream();
                                        }
                                        proxy.BinaryData.Write(this._reader.ValueAsBinaryChunk, 0, this._reader.ValueAsBinaryChunk.Length);
                                        return true;
                                case 311:
                                        if (proxy.Data == null)
                                        {
                                                proxy.Data = new MemoryStream();
                                        }
                                        proxy.Data.Write(this._reader.ValueAsBinaryChunk, 0, this._reader.ValueAsBinaryChunk.Length);
                                        return true;
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.ProxyObject]);
                        }
                }

                private bool readObjectSubclassMap(CadTemplate template, DxfMap map)
                {
                        switch (this._reader.Code)
                        {
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[template.CadObject.SubclassMarker]);
                        }
                }

                private bool readPlotSettings(CadTemplate template, DxfMap map)
                {
                        switch (this._reader.Code)
                        {
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.PlotSettings]);
                        }
                }

                private bool readEvaluationGraph(CadTemplate template, DxfMap map)
                {
                        CadEvaluationGraphTemplate tmp = template as CadEvaluationGraphTemplate;
                        EvaluationGraph evGraph = tmp.CadObject;

                        switch (this._reader.Code)
                        {
                                case 91:
                                        while (this._reader.Code == 91)
                                        {
                                                GraphNodeTemplate nodeTemplate = new GraphNodeTemplate();
                                                EvaluationGraph.Node node = nodeTemplate.Node;

                                                node.Index = this._reader.ValueAsInt;

                                                this._reader.ExpectedCode(93);
                                                node.Flags = this._reader.ValueAsInt;

                                                this._reader.ExpectedCode(95);
                                                node.NextNodeIndex = this._reader.ValueAsInt;

                                                this._reader.ExpectedCode(360);
                                                nodeTemplate.ExpressionHandle = this._reader.ValueAsHandle;

                                                this._reader.ExpectedCode(92);
                                                node.Data1 = this._reader.ValueAsInt;
                                                this._reader.ExpectedCode(92);
                                                node.Data2 = this._reader.ValueAsInt;
                                                this._reader.ExpectedCode(92);
                                                node.Data3 = this._reader.ValueAsInt;
                                                this._reader.ExpectedCode(92);
                                                node.Data4 = this._reader.ValueAsInt;

                                                this._reader.ReadNext();

                                                tmp.NodeTemplates.Add(nodeTemplate);
                                        }

                                        return this.checkObjectEnd(template, map, this.readEvaluationGraph);
                                case 92:
                                        //Edges
                                        while (this._reader.Code == 92)
                                        {
                                                this._reader.ExpectedCode(93);
                                                this._reader.ExpectedCode(94);
                                                this._reader.ExpectedCode(91);
                                                this._reader.ExpectedCode(91);
                                                this._reader.ExpectedCode(92);
                                                this._reader.ExpectedCode(92);
                                                this._reader.ExpectedCode(92);
                                                this._reader.ExpectedCode(92);
                                                this._reader.ExpectedCode(92);

                                                this._reader.ReadNext();
                                        }

                                        return this.checkObjectEnd(template, map, this.readEvaluationGraph);
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.EvalGraph]);
                        }
                }

                private bool readLayout(CadTemplate template, DxfMap map)
                {
                        CadLayoutTemplate tmp = template as CadLayoutTemplate;

                        switch (this._reader.Code)
                        {
                                case 330:
                                        tmp.PaperSpaceBlockHandle = this._reader.ValueAsHandle;
                                        return true;
                                case 331:
                                        tmp.LasActiveViewportHandle = (this._reader.ValueAsHandle);
                                        return true;
                                default:
                                        if (!this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.Layout]))
                                        {
                                                return this.readPlotSettings(template, map);
                                        }
                                        return true;
                        }
                }

                private bool readGroup(CadTemplate template, DxfMap map)
                {
                        CadGroupTemplate tmp = template as CadGroupTemplate;

                        switch (this._reader.Code)
                        {
                                case 70:
                                        return true;
                                case 340:
                                        tmp.Handles.Add(this._reader.ValueAsHandle);
                                        return true;
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[template.CadObject.SubclassMarker]);
                        }
                }

                private bool readGeoData(CadTemplate template, DxfMap map)
                {
                        CadGeoDataTemplate tmp = template as CadGeoDataTemplate;

                        switch (this._reader.Code)
                        {
                                case 40 when tmp.CadObject.Version == GeoDataVersion.R2009:
                                        tmp.CadObject.ReferencePoint = new CSMath.XYZ(
                                                tmp.CadObject.ReferencePoint.X,
                                                this._reader.ValueAsDouble,
                                                tmp.CadObject.ReferencePoint.Z
                                                );
                                        return true;
                                case 41 when tmp.CadObject.Version == GeoDataVersion.R2009:
                                        tmp.CadObject.ReferencePoint = new CSMath.XYZ(
                                                this._reader.ValueAsDouble,
                                                tmp.CadObject.ReferencePoint.Y,
                                                tmp.CadObject.ReferencePoint.Z
                                                );
                                        return true;
                                case 42 when tmp.CadObject.Version == GeoDataVersion.R2009:
                                        tmp.CadObject.ReferencePoint = new CSMath.XYZ(
                                                tmp.CadObject.ReferencePoint.X,
                                                tmp.CadObject.ReferencePoint.Y,
                                                this._reader.ValueAsDouble
                                                );
                                        return true;
                                case 46 when tmp.CadObject.Version == GeoDataVersion.R2009:
                                        tmp.CadObject.HorizontalUnitScale = this._reader.ValueAsDouble;
                                        return true;
                                case 52 when tmp.CadObject.Version == GeoDataVersion.R2009:
                                        double angle = System.Math.PI / 2.0 - this._reader.ValueAsAngle;
                                        tmp.CadObject.NorthDirection = new CSMath.XY(Math.Cos(angle), Math.Sin(angle));
                                        return true;
                                // Number of Geo-Mesh points
                                case 93:
                                        var npts = this._reader.ValueAsInt;
                                        for (int i = 0; i < npts; i++)
                                        {
                                                this._reader.ReadNext();
                                                double sourceX = this._reader.ValueAsDouble;
                                                this._reader.ReadNext();
                                                double sourceY = this._reader.ValueAsDouble;

                                                this._reader.ReadNext();
                                                double destX = this._reader.ValueAsDouble;
                                                this._reader.ReadNext();
                                                double destY = this._reader.ValueAsDouble;

                                                tmp.CadObject.Points.Add(new GeoData.GeoMeshPoint
                                                {
                                                        Source = new CSMath.XY(sourceX, sourceY),
                                                        Destination = new CSMath.XY(destX, destY)
                                                });
                                        }
                                        return true;
                                // Number of Geo-Mesh points
                                case 96:
                                        var nfaces = this._reader.ValueAsInt;
                                        for (int i = 0; i < nfaces; i++)
                                        {
                                                this._reader.ReadNext();
                                                Debug.Assert(this._reader.Code == 97);
                                                int index1 = this._reader.ValueAsInt;
                                                this._reader.ReadNext();
                                                Debug.Assert(this._reader.Code == 98);
                                                int index2 = this._reader.ValueAsInt;
                                                this._reader.ReadNext();
                                                Debug.Assert(this._reader.Code == 99);
                                                int index3 = this._reader.ValueAsInt;

                                                tmp.CadObject.Faces.Add(new GeoData.GeoMeshFace
                                                {
                                                        Index1 = index1,
                                                        Index2 = index2,
                                                        Index3 = index3
                                                });
                                        }
                                        return true;
                                case 303:
                                        tmp.CadObject.CoordinateSystemDefinition += this._reader.ValueAsString;
                                        return true;
                                //Obsolete codes for version GeoDataVersion.R2009
                                case 3:
                                case 4:
                                case 14:
                                case 24:
                                case 15:
                                case 25:
                                case 43:
                                case 44:
                                case 45:
                                case 94:
                                case 293:
                                case 16:
                                case 26:
                                case 17:
                                case 27:
                                case 54:
                                case 140:
                                case 304:
                                case 292:
                                        return true;
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[tmp.CadObject.SubclassMarker]);
                        }
                }

                private bool readScale(CadTemplate template, DxfMap map)
                {
                        switch (this._reader.Code)
                        {
                                // Undocumented codes
                                case 70:
                                        //Always 0
                                        return true;
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.Scale]);
                        }
                }

                private bool readLinkedData(CadTemplate template, DxfMap map)
                {
                        switch (this._reader.Code)
                        {
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.LinkedData]);
                        }
                }

                private bool readTableContent(CadTemplate template, DxfMap map)
                {
                        switch (this._reader.Code)
                        {
                                case 90:
                                        //Column count
                                        return true;
                                case 91:
                                        //Row count
                                        return true;
                                case 300 when this._reader.ValueAsString.Equals(DxfFileToken.ObjectTableColumn, StringComparison.InvariantCultureIgnoreCase):
                                        //Read Column
                                        this.readTableColumn();
                                        return true;
                                case 301 when this._reader.ValueAsString.Equals(DxfFileToken.ObjectTableRow, StringComparison.InvariantCultureIgnoreCase):
                                        //Read Row
                                        this.readTableRow();
                                        return true;
                                default:
                                        if (!this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.TableLinkedTableData]))
                                        {
                                                return this.readLinkedData(template, map);
                                        }
                                        return true;
                        }
                }

                private TableEntity.Column readTableColumn()
                {
                        this._reader.ReadNext();

                        TableEntity.Column column = new TableEntity.Column();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals(DxfFileToken.LinkedTableDataColumn_BEGIN, StringComparison.InvariantCultureIgnoreCase):
                                                this.readLinkedTableColumn(column);
                                                break;
                                        case 1 when this._reader.ValueAsString.Equals(DxfFileToken.FormattedTableDataColumn_BEGIN, StringComparison.InvariantCultureIgnoreCase):
                                                this.readFormattedTableColumn(column);
                                                break;
                                        case 1 when this._reader.ValueAsString.Equals(DxfFileToken.ObjectTableColumnBegin, StringComparison.InvariantCultureIgnoreCase):
                                                this.readTableColumn(column);
                                                end = true;
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readTableColumn)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        return column;
                                }

                                this._reader.ReadNext();
                        }

                        return column;
                }

                private TableEntity.Row readTableRow()
                {
                        this._reader.ReadNext();

                        TableEntity.Row row = new TableEntity.Row();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals(DxfFileToken.LinkedTableDataRow_BEGIN, StringComparison.InvariantCultureIgnoreCase):
                                                this.readLinkedTableRow(row);
                                                break;
                                        case 1 when this._reader.ValueAsString.Equals(DxfFileToken.FormattedTableDataRow_BEGIN, StringComparison.InvariantCultureIgnoreCase):
                                        //break;
                                        case 1 when this._reader.ValueAsString.Equals(DxfFileToken.ObjectTableRowBegin, StringComparison.InvariantCultureIgnoreCase):
                                        //end = true;
                                        //break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readTableRow)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        return row;
                                }

                                this._reader.ReadNext();
                        }

                        return row;
                }

                private void readTableColumn(TableEntity.Column column)
                {
                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals("TABLECOLUMN_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                break;
                                        case 1:
                                                end = true;
                                                break;
                                        case 40:
                                                column.Width = this._reader.ValueAsDouble;
                                                break;
                                        case 90:
                                                //StyleId
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("TABLECOLUMN_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readTableColumn)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readLinkedTableColumn(TableEntity.Column column)
                {
                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals(DxfFileToken.LinkedTableDataColumn_BEGIN, StringComparison.InvariantCultureIgnoreCase):
                                                break;
                                        case 1:
                                                end = true;
                                                break;
                                        case 91:
                                                column.CustomData = this._reader.ValueAsInt;
                                                break;
                                        case 300:
                                                column.Name = this._reader.ValueAsString;
                                                break;
                                        case 301 when this._reader.ValueAsString.Equals(DxfFileToken.CustomData, StringComparison.InvariantCultureIgnoreCase):
                                                this.readCustomData();
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals(DxfFileToken.LinkedTableDataColumn_END, StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readLinkedTableColumn)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readLinkedTableRow(TableEntity.Row column)
                {
                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals(DxfFileToken.LinkedTableDataRow_BEGIN, StringComparison.InvariantCultureIgnoreCase):
                                                break;
                                        case 90:
                                                column.CustomData = this._reader.ValueAsInt;
                                                break;
                                        case 300 when this._reader.ValueAsString.Equals(DxfFileToken.ObjectCell, StringComparison.InvariantCultureIgnoreCase):
                                                this.readCell();
                                                break;
                                        case 301 when this._reader.ValueAsString.Equals(DxfFileToken.CustomData, StringComparison.InvariantCultureIgnoreCase):
                                                this.readCustomData();
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals(DxfFileToken.LinkedTableDataRow_END, StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readLinkedTableRow)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private TableEntity.Cell readCell()
                {
                        this._reader.ReadNext();

                        TableEntity.Cell cell = new TableEntity.Cell();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals("LINKEDTABLEDATACELL_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                this.readLinkedTableCell(cell);
                                                break;
                                        case 1 when this._reader.ValueAsString.Equals("FORMATTEDTABLEDATACELL_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                this.readFormattedTableCell(cell);
                                                break;
                                        case 1 when this._reader.ValueAsString.Equals("TABLECELL_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                this.readTableCell(cell);
                                                end = true;
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readCell)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        return cell;
                                }

                                this._reader.ReadNext();
                        }

                        return cell;
                }

                private void readTableCell(TableEntity.Cell cell)
                {
                        var map = DxfClassMap.Create(cell.GetType(), "TABLECELL_BEGIN");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("TABLECELL_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(cell, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readTableCell)} {this._reader.Position}.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }


                private void readFormattedTableCell(TableEntity.Cell cell)
                {
                        var map = DxfClassMap.Create(cell.GetType(), "FORMATTEDTABLEDATACELL_BEGIN");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 300 when this._reader.ValueAsString.Equals("CELLTABLEFORMAT", StringComparison.InvariantCultureIgnoreCase):
                                                this.readCellTableFormat(cell);
                                                continue;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("FORMATTEDTABLEDATACELL_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(cell, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readFormattedTableCell)} {this._reader.Position}.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readCellTableFormat(TableEntity.Cell cell)
                {
                        var map = DxfClassMap.Create(cell.GetType(), "CELLTABLEFORMAT");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.Code == 1)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals("TABLEFORMAT_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                this.readStyleOverride(cell.StyleOverride);
                                                break;
                                        case 1 when this._reader.ValueAsString.Equals("CELLSTYLE_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                this.readCellStyle(new CadCellStyleTemplate());
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(cell, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readCellTableFormat)} {this._reader.Position}.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readCellStyle(CadCellStyleTemplate template)
                {
                        //var map = DxfClassMap.Create(cell.GetType(), "CELLTABLEFORMAT");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.Code != 1)
                        {
                                switch (this._reader.Code)
                                {
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("CELLSTYLE_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                //if (!this.tryAssignCurrentValue(cell, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readCellStyle)} {this._reader.Position}.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readLinkedTableCell(TableEntity.Cell cell)
                {
                        var map = DxfClassMap.Create(cell.GetType(), "LINKEDTABLEDATACELL_BEGIN");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 95:
                                                //BL 95 Number of cell contents
                                                break;
                                        case 301 when this._reader.ValueAsString.Equals(DxfFileToken.CustomData, StringComparison.InvariantCultureIgnoreCase):
                                                this.readCustomData();
                                                break;
                                        case 302 when this._reader.ValueAsString.Equals("CONTENT", StringComparison.InvariantCultureIgnoreCase):
                                                this.readLinkedTableCellContent();
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("LINKEDTABLEDATACELL_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(cell, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readLinkedTableCell)} {this._reader.Position}.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readLinkedTableCellContent()
                {
                        TableEntity.CellContent content = new TableEntity.CellContent();
                        var map = DxfClassMap.Create(content.GetType(), "CONTENT");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals("FORMATTEDCELLCONTENT_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                readFormattedCellContent();
                                                end = true;
                                                break;
                                        case 1 when this._reader.ValueAsString.Equals("CELLCONTENT_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                readCellContent();
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(content, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readLinkedTableCellContent)} {this._reader.Position}.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readCellContent()
                {
                        TableEntity.CellContent content = new TableEntity.CellContent();
                        var map = DxfClassMap.Create(content.GetType(), "CELLCONTENT_BEGIN");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 91:
                                                break;
                                        case 300 when this._reader.ValueAsString.Equals("VALUE", StringComparison.InvariantCultureIgnoreCase):
                                                this.readDataMapValue();
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("CELLCONTENT_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(content, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readCellContent)} {this._reader.Position}.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readFormattedCellContent()
                {
                        TableEntity.ContentFormat format = new();
                        CadTableCellContentFormatTemplate template = new CadTableCellContentFormatTemplate(format);
                        var map = DxfClassMap.Create(format.GetType(), "FORMATTEDCELLCONTENT");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 300 when this._reader.ValueAsString.Equals("CONTENTFORMAT", StringComparison.InvariantCultureIgnoreCase):
                                                readContentFormat(template);
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("FORMATTEDCELLCONTENT_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(format, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readFormattedCellContent)} method.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readContentFormat(CadTableCellContentFormatTemplate template)
                {
                        var format = template.Format;
                        var map = DxfClassMap.Create(format.GetType(), "CONTENTFORMAT_BEGIN");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals("CONTENTFORMAT_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("CONTENTFORMAT_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        case 340:
                                                template.TextStyleHandle = this._reader.ValueAsHandle;
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(format, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readContentFormat)} method.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readFormattedTableColumn(TableEntity.Column column)
                {
                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 300 when this._reader.ValueAsString.Equals("COLUMNTABLEFORMAT", StringComparison.InvariantCultureIgnoreCase):
                                                break;
                                        case 300:
                                                end = true;
                                                break;
                                        case 1 when this._reader.ValueAsString.Equals("TABLEFORMAT_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                this.readStyleOverride(column.StyleOverride);
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals(DxfFileToken.FormattedTableDataColumn_END, StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readFormattedTableColumn)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readStyleOverride(TableEntity.CellStyle style)
                {
                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals("TABLEFORMAT_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                break;
                                        case 1:
                                                end = true;
                                                break;
                                        case 90:
                                                style.Type = (TableEntity.CellStyleTypeType)this._reader.ValueAsInt;
                                                break;
                                        case 170:
                                                //Has data
                                                break;
                                        case 300 when this._reader.ValueAsString.Equals("CONTENTFORMAT", StringComparison.InvariantCultureIgnoreCase):
                                                readContentFormat(new CadTableCellContentFormatTemplate(new TableEntity.ContentFormat()));
                                                break;
                                        case 301 when this._reader.ValueAsString.Equals("MARGIN", StringComparison.InvariantCultureIgnoreCase):
                                                this.readCellMargin();
                                                break;
                                        case 302 when this._reader.ValueAsString.Equals("GRIDFORMAT", StringComparison.InvariantCultureIgnoreCase):
                                                this.readGridFormat();
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("TABLEFORMAT_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readStyleOverride)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readGridFormat()
                {
                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals("GRIDFORMAT_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("GRIDFORMAT_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readGridFormat)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readCellMargin()
                {
                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals("CELLMARGIN_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("CELLMARGIN_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readCellMargin)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readCustomData()
                {
                        this._reader.ReadNext();

                        int ndata = 0;
                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 1 when this._reader.ValueAsString.Equals("DATAMAP_BEGIN", StringComparison.InvariantCultureIgnoreCase):
                                                break;
                                        case 1:
                                                end = true;
                                                break;
                                        case 90:
                                                ndata = this._reader.ValueAsInt;
                                                break;
                                        case 300:
                                                //Name
                                                break;
                                        case 301 when this._reader.ValueAsString.Equals("DATAMAP_VALUE", StringComparison.InvariantCultureIgnoreCase):
                                                this.readDataMapValue();
                                                break;
                                        case 309:
                                                end = this._reader.ValueAsString.Equals("DATAMAP_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readCustomData)} method.", NotificationType.None);
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private void readDataMapValue()
                {
                        TableEntity.CellValue value = new TableEntity.CellValue();
                        var map = DxfClassMap.Create(value.GetType(), "DATAMAP_VALUE");

                        this._reader.ReadNext();

                        bool end = false;
                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 140:
                                                break;
                                        case 304:
                                                end = this._reader.ValueAsString.Equals("ACVALUE_END", StringComparison.InvariantCultureIgnoreCase);
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(value, map))
                                                {
                                                        this._builder.Notify($"Unhandled dxf code {this._reader.Code} value {this._reader.ValueAsString} at {nameof(readDataMapValue)} method.", NotificationType.None);
                                                }
                                                break;
                                }

                                if (end)
                                {
                                        break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private bool readVisualStyle(CadTemplate template, DxfMap map)
                {
                        switch (this._reader.Code)
                        {
                                // Undocumented codes
                                case 176:
                                case 177:
                                case 420:
                                        return true;
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.VisualStyle]);
                        }
                }

                private bool readSpatialFilter(CadTemplate template, DxfMap map)
                {
                        CadSpatialFilterTemplate tmp = template as CadSpatialFilterTemplate;
                        SpatialFilter filter = tmp.CadObject as SpatialFilter;

                        switch (this._reader.Code)
                        {
                                case 10:
                                        filter.BoundaryPoints.Add(new CSMath.XY(this._reader.ValueAsDouble, 0));
                                        return true;
                                case 20:
                                        var pt = filter.BoundaryPoints.LastOrDefault();
                                        filter.BoundaryPoints.Add(new CSMath.XY(pt.X, this._reader.ValueAsDouble));
                                        return true;
                                case 40:
                                        if (filter.ClipFrontPlane && !tmp.HasFrontPlane)
                                        {
                                                filter.FrontDistance = this._reader.ValueAsDouble;
                                                tmp.HasFrontPlane = true;
                                        }

                                        double[] array = new double[16]
                                        {
                                                0.0, 0.0, 0.0, 0.0,
                                                0.0, 0.0, 0.0, 0.0,
                                                0.0, 0.0, 0.0, 0.0,
                                                0.0, 0.0, 0.0, 1.0
                                        };

                                        for (int i = 0; i < 12; i++)
                                        {
                                                array[i] = this._reader.ValueAsDouble;

                                                if (i < 11)
                                                {
                                                        this._reader.ReadNext();
                                                }
                                        }

                                        if (tmp.InsertTransformRead)
                                        {
                                                filter.InsertTransform = new Matrix4(array);
                                                tmp.InsertTransformRead = true;
                                        }
                                        else
                                        {
                                                filter.InverseInsertTransform = new Matrix4(array);
                                        }

                                        return true;
                                case 73:
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.SpatialFilter]);
                        }
                }

                private bool readMLeaderStyle(CadTemplate template, DxfMap map)
                {
                        var tmp = template as CadMLeaderStyleTemplate;

                        switch (this._reader.Code)
                        {
                                case 179:
                                        return true;
                                case 340:
                                        tmp.LeaderLineTypeHandle = this._reader.ValueAsHandle;
                                        return true;
                                case 342:
                                        tmp.MTextStyleHandle = this._reader.ValueAsHandle;
                                        return true;
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[tmp.CadObject.SubclassMarker]);
                        }
                }

                private bool readXRecord(CadTemplate template, DxfMap map)
                {
                        CadXRecordTemplate tmp = template as CadXRecordTemplate;

                        switch (this._reader.Code)
                        {
                                case 100 when this._reader.ValueAsString == DxfSubclassMarker.XRecord:
                                        this.readXRecordEntries(tmp);
                                        return true;
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.XRecord]);
                        }
                }

                private void readXRecordEntries(CadXRecordTemplate template)
                {
                        this._reader.ReadNext();

                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.GroupCodeValue)
                                {
                                        case GroupCodeValueType.Handle:
                                                template.AddHandleReference(this._reader.Code, this._reader.ValueAsHandle);
                                                break;
                                        default:
                                                template.CadObject.CreateEntry(this._reader.Code, this._reader.Value);
                                                break;
                                }

                                this._reader.ReadNext();
                        }
                }

                private bool readBookColor(CadTemplate template, DxfMap map)
                {
                        CadNonGraphicalObjectTemplate tmp = template as CadNonGraphicalObjectTemplate;
                        BookColor color = tmp.CadObject as BookColor;

                        switch (this._reader.Code)
                        {
                                case 430:
                                        color.Name = this._reader.ValueAsString;
                                        return true;
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.DbColor]);
                        }
                }

                private bool readDictionary(CadTemplate template, DxfMap map)
                {
                        CadDictionaryTemplate tmp = template as CadDictionaryTemplate;
                        CadDictionary cadDictionary = tmp.CadObject;

                        switch (this._reader.Code)
                        {
                                case 280:
                                        cadDictionary.HardOwnerFlag = this._reader.ValueAsBool;
                                        return true;
                                case 281:
                                        cadDictionary.ClonningFlags = (DictionaryCloningFlags)this._reader.Value;
                                        return true;
                                case 3:
                                        tmp.Entries.Add(this._reader.ValueAsString, null);
                                        return true;
                                case 350: // Soft-owner ID/handle to entry object 
                                case 360: // Hard-owner ID/handle to entry object
                                        tmp.Entries[tmp.Entries.LastOrDefault().Key] = this._reader.ValueAsHandle;
                                        return true;
                                default:
                                        return this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.Dictionary]);
                        }
                }

                private bool readDictionaryWithDefault(CadTemplate template, DxfMap map)
                {
                        CadDictionaryWithDefaultTemplate tmp = template as CadDictionaryWithDefaultTemplate;

                        switch (this._reader.Code)
                        {
                                case 340:
                                        tmp.DefaultEntryHandle = this._reader.ValueAsHandle;
                                        return true;
                                default:
                                        if (!this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.DictionaryWithDefault]))
                                        {
                                                return this.readDictionary(template, map);
                                        }
                                        return true;
                        }
                }

                private CadTemplate readSortentsTable()
                {
                        SortEntitiesTable sortTable = new SortEntitiesTable();
                        CadSortensTableTemplate template = new CadSortensTableTemplate(sortTable);

                        //Jump the 0 marker
                        this._reader.ReadNext();

                        this.readCommonObjectData(template);

                        System.Diagnostics.Debug.Assert(DxfSubclassMarker.SortentsTable == this._reader.ValueAsString);

                        //Jump the 100 marker
                        this._reader.ReadNext();

                        (ulong?, ulong?) pair = (null, null);

                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 5:
                                                pair.Item1 = this._reader.ValueAsHandle;
                                                break;
                                        case 330:
                                                template.BlockOwnerHandle = this._reader.ValueAsHandle;
                                                break;
                                        case 331:
                                                pair.Item2 = this._reader.ValueAsHandle;
                                                break;
                                        default:
                                                this._builder.Notify($"Group Code not handled {this._reader.GroupCodeValue} for {typeof(SortEntitiesTable)}, code : {this._reader.Code} | value : {this._reader.ValueAsString}");
                                                break;
                                }

                                if (pair.Item1.HasValue && pair.Item2.HasValue)
                                {
                                        template.Values.Add((pair.Item1.Value, pair.Item2.Value));
                                        pair = (null, null);
                                }

                                this._reader.ReadNext();
                        }

                        return template;
                }
        }
}

DomCR / ACadSharp / 18713416846

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