19747691062

Committed 27 Nov 2025 08:58PM UTC coverage: 77.833% (-0.2%) from 78.079%

Build # 19747691062

Build Type

Pull #898

github

Committed by

web-flow

Commit Message

Merge 7246c0e16 into b4f4477ec

Pull Request Pull Request #898: DimensionStyle Overrides

Run Details

7643 of 10693 branches covered (71.48%)

Branch coverage included in aggregate %.

481 of 674 new or added lines in 7 files covered. (71.36%)

54 existing lines in 7 files now uncovered.

28210 of 35371 relevant lines covered (79.75%)

134840.38 hits per line

Source File
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74.27

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

﻿using ACadSharp.Blocks;
using ACadSharp.Exceptions;
using ACadSharp.IO.Templates;
using ACadSharp.Tables;
using System;
using System.Diagnostics;

namespace ACadSharp.IO.DXF
{
        internal class DxfBlockSectionReader : DxfSectionReaderBase
        {
                public DxfBlockSectionReader(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)
                        {
                                try
                                {
                                        if (this._reader.ValueAsString == DxfFileToken.Block)
                                                this.readBlock();
                                        else
                                                throw new DxfException($"Unexpected token at the BLOCKS table: {this._reader.ValueAsString}", this._reader.Position);
                                }
                                catch (Exception ex)
                                {
                                        if (!this._builder.Configuration.Failsafe)
                                                throw;

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

                                        while (!(this._reader.DxfCode == DxfCode.Start && this._reader.ValueAsString == DxfFileToken.EndSection)
                                                        && !(this._reader.DxfCode == DxfCode.Start && this._reader.ValueAsString == DxfFileToken.Block))
                                        {
                                                this._reader.ReadNext();
                                        }
                                }
                        }
                }

                private void readBlock()
                {
                        Debug.Assert(this._reader.ValueAsString == DxfFileToken.Block);

                        //Read the table name
                        this._reader.ReadNext();

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

                        Block blckEntity = new Block();
                        CadBlockEntityTemplate template = new CadBlockEntityTemplate(blckEntity);

                        string name = null;
                        BlockRecord record = null;
                        CadBlockRecordTemplate recordTemplate = null;

                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        case 2:
                                        case 3:
                                                name = this._reader.ValueAsString;
                                                if (name.Equals("$MODEL_SPACE", StringComparison.OrdinalIgnoreCase))
                                                {
                                                        name = BlockRecord.ModelSpaceName;
                                                }
                                                else if (name.Equals("$PAPER_SPACE", StringComparison.OrdinalIgnoreCase))
                                                {
                                                        name = BlockRecord.PaperSpaceName;
                                                }

                                                if (record == null && this._builder.TryGetTableEntry(name, out record))
                                                {
                                                        record.BlockEntity = blckEntity;
                                                }
                                                else if (record == null)
                                                {
                                                        this._builder.Notify($"Block record [{name}] not found at line {this._reader.Position}", NotificationType.Warning);
                                                }
                                                break;
                                        case 330:
                                                if (record == null && this._builder.TryGetCadObject(this._reader.ValueAsHandle, out record))
                                                {
                                                        record.BlockEntity = blckEntity;
                                                }
                                                else if (record == null)
                                                {
                                                        this._builder.Notify($"Block record with handle [{this._reader.ValueAsString}] not found at line {this._reader.Position}", NotificationType.Warning);
                                                }
                                                break;
                                        default:
                                                if (!this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.BlockBegin]))
                                                {
                                                        this.readCommonEntityCodes(template, out bool isExtendedData, map);
                                                        if (isExtendedData)
                                                                continue;
                                                }
                                                break;
                                }

                                this._reader.ReadNext();
                        }

                        if (record == null)
                        {
                                record = new BlockRecord(name);
                                record.BlockEntity = blckEntity;
                                recordTemplate = new CadBlockRecordTemplate(record);

                                this._builder.AddTemplate(recordTemplate);
                                this._builder.BlockRecords.Add(record);

                                if (recordTemplate.CadObject.Name.Equals(BlockRecord.ModelSpaceName, StringComparison.OrdinalIgnoreCase))
                                {
                                        this._builder.ModelSpaceTemplate = recordTemplate;
                                }
                        }
                        else if (!this._builder.TryGetObjectTemplate<CadBlockRecordTemplate>(record.Handle, out recordTemplate))
                        {
                                recordTemplate = new CadBlockRecordTemplate(record);
                        }

                        //Add the entity template for owner information
                        recordTemplate.BlockEntityTemplate = template;

                        while (this._reader.ValueAsString != DxfFileToken.EndBlock)
                        {
                                CadEntityTemplate entityTemplate = null;

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

                                        this._builder.Notify($"Error while reading a block with name {record.Name} at line {this._reader.Position}", NotificationType.Error, ex);

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

                                if (entityTemplate == null)
                                        continue;

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

                                if (entityTemplate.OwnerHandle == null)
                                {
                                        recordTemplate.OwnedObjectsHandlers.Add(entityTemplate.CadObject.Handle);
                                }
                                else if (this._builder.TryGetObjectTemplate(entityTemplate.OwnerHandle, out CadBlockRecordTemplate owner))
                                {
                                        owner.OwnedObjectsHandlers.Add(entityTemplate.CadObject.Handle);
                                }
                        }

                        this.readBlockEnd(record.BlockEnd);
                        this._builder.AddTemplate(template);
                }

                private void readBlockEnd(BlockEnd block)
                {
                        DxfMap map = DxfMap.Create<BlockEnd>();
                        CadEntityTemplate template = new CadEntityTemplate(block);

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

                        while (this._reader.DxfCode != DxfCode.Start)
                        {
                                switch (this._reader.Code)
                                {
                                        default:
                                                if (!this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.BlockEnd]))
                                                {
                                                        this.readCommonEntityCodes(template, out bool isExtendedData, map);
                                                        if (isExtendedData)
                                                                continue;
                                                }
                                                break;
                                }

                                this._reader.ReadNext();
                        }

                        this._builder.AddTemplate(template);
                }
        }
}

1	using ACadSharp.Blocks;
2	using ACadSharp.Exceptions;
3	using ACadSharp.IO.Templates;
4	using ACadSharp.Tables;
5	using System;
6	using System.Diagnostics;
7
8	namespace ACadSharp.IO.DXF
9	{
10	internal class DxfBlockSectionReader : DxfSectionReaderBase
11	{
12	public DxfBlockSectionReader(IDxfStreamReader reader, DxfDocumentBuilder builder)
13	: base(reader, builder)	354✔
14	{	354✔
15	}	354✔
16
17	public override void Read()
18	{	354✔
19	//Advance to the first value in the section
20	this._reader.ReadNext();	354✔
21
22	//Loop until the section ends
23	while (this._reader.ValueAsString != DxfFileToken.EndSection)	10,264✔
24	{	9,910✔
25	try
26	{	9,910✔
27	if (this._reader.ValueAsString == DxfFileToken.Block)	9,910!
28	this.readBlock();	9,910✔
29	else
30	throw new DxfException($"Unexpected token at the BLOCKS table: {this._reader.ValueAsString}", this._reader.Position);	×
31	}	9,910✔
32	catch (Exception ex)	×
33	{	×
34	if (!this._builder.Configuration.Failsafe)	×
35	throw;	×
36
37	this._builder.Notify($"Error while reading a block at line {this._reader.Position}", NotificationType.Error, ex);	×
38
39	while (!(this._reader.DxfCode == DxfCode.Start && this._reader.ValueAsString == DxfFileToken.EndSection)	×
40	&& !(this._reader.DxfCode == DxfCode.Start && this._reader.ValueAsString == DxfFileToken.Block))	×
41	{	×
42	this._reader.ReadNext();	×
43	}	×
44	}	×
45	}	9,910✔
46	}	354✔
47
48	private void readBlock()
49	{	9,910✔
50	Debug.Assert(this._reader.ValueAsString == DxfFileToken.Block);	9,910✔
51
52	//Read the table name
53	this._reader.ReadNext();	9,910✔
54
55	DxfMap map = DxfMap.Create<Block>();	9,910✔
56
57	Block blckEntity = new Block();	9,910✔
58	CadBlockEntityTemplate template = new CadBlockEntityTemplate(blckEntity);	9,910✔
59
60	string name = null;	9,910✔
61	BlockRecord record = null;	9,910✔
62	CadBlockRecordTemplate recordTemplate = null;	9,910✔
63
64	while (this._reader.DxfCode != DxfCode.Start)	122,014✔
65	{	112,104✔
66	switch (this._reader.Code)	112,104✔
67	{
68	case 2:
69	case 3:
70	name = this._reader.ValueAsString;	19,820✔
71	if (name.Equals("$MODEL_SPACE", StringComparison.OrdinalIgnoreCase))	19,820✔
72	{	76✔
73	name = BlockRecord.ModelSpaceName;	76✔
74	}	76✔
75	else if (name.Equals("$PAPER_SPACE", StringComparison.OrdinalIgnoreCase))	19,744✔
76	{	76✔
77	name = BlockRecord.PaperSpaceName;	76✔
78	}	76✔
79
80	if (record == null && this._builder.TryGetTableEntry(name, out record))	19,820!
81	{	×
82	record.BlockEntity = blckEntity;	×
83	}	×
84	else if (record == null)	19,820✔
85	{	7,144✔
86	this._builder.Notify($"Block record [{name}] not found at line {this._reader.Position}", NotificationType.Warning);	7,144✔
87	}	7,144✔
88	break;	19,820✔
89	case 330:
90	if (record == null && this._builder.TryGetCadObject(this._reader.ValueAsHandle, out record))	6,338!
91	{	6,338✔
92	record.BlockEntity = blckEntity;	6,338✔
93	}	6,338✔
94	else if (record == null)	×
95	{	×
96	this._builder.Notify($"Block record with handle [{this._reader.ValueAsString}] not found at line {this._reader.Position}", NotificationType.Warning);	×
97	}	×
98	break;	6,338✔
99	default:
100	if (!this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.BlockBegin]))	85,946✔
101	{	36,344✔
102	this.readCommonEntityCodes(template, out bool isExtendedData, map);	36,344✔
103	if (isExtendedData)	36,344✔
104	continue;	×
105	}	36,344✔
106	break;	85,946✔
107	}
108
109	this._reader.ReadNext();	112,104✔
110	}	112,104✔
111
112	if (record == null)	9,910✔
113	{	3,572✔
114	record = new BlockRecord(name);	3,572✔
115	record.BlockEntity = blckEntity;	3,572✔
116	recordTemplate = new CadBlockRecordTemplate(record);	3,572✔
117
118	this._builder.AddTemplate(recordTemplate);	3,572✔
119	this._builder.BlockRecords.Add(record);	3,572✔
120
121	if (recordTemplate.CadObject.Name.Equals(BlockRecord.ModelSpaceName, StringComparison.OrdinalIgnoreCase))	3,572✔
122	{	38✔
123	this._builder.ModelSpaceTemplate = recordTemplate;	38✔
124	}	38✔
125	}	3,572✔
126	else if (!this._builder.TryGetObjectTemplate<CadBlockRecordTemplate>(record.Handle, out recordTemplate))	6,338!
127	{	×
128	recordTemplate = new CadBlockRecordTemplate(record);	×
129	}	×
130
131	//Add the entity template for owner information
132	recordTemplate.BlockEntityTemplate = template;	9,910✔
133
134	while (this._reader.ValueAsString != DxfFileToken.EndBlock)	134,968✔
135	{	125,058✔
136	CadEntityTemplate entityTemplate = null;	125,058✔
137
138	try
139	{	125,058✔
140	entityTemplate = this.readEntity();	125,058✔
141	}	125,058✔
142	catch (Exception ex)	×
UNCOV 143	{	×
144	if (!this._builder.Configuration.Failsafe)	×
UNCOV 145	throw;	×
146
147	this._builder.Notify($"Error while reading a block with name {record.Name} at line {this._reader.Position}", NotificationType.Error, ex);	×
148
UNCOV 149	while (this._reader.DxfCode != DxfCode.Start)	×
UNCOV 150	this._reader.ReadNext();	×
151	}	×
152
153	if (entityTemplate == null)	125,058✔
UNCOV 154	continue;	×
155
156	//Add the object and the template to the builder
157	this._builder.AddTemplate(entityTemplate);	125,058✔
158
159	if (entityTemplate.OwnerHandle == null)	125,058✔
160	{	84,930✔
161	recordTemplate.OwnedObjectsHandlers.Add(entityTemplate.CadObject.Handle);	84,930✔
162	}	84,930✔
163	else if (this._builder.TryGetObjectTemplate(entityTemplate.OwnerHandle, out CadBlockRecordTemplate owner))	40,128✔
164	{	40,128✔
165	owner.OwnedObjectsHandlers.Add(entityTemplate.CadObject.Handle);	40,128✔
166	}	40,128✔
167	}	125,058✔
168
169	this.readBlockEnd(record.BlockEnd);	9,910✔
170	this._builder.AddTemplate(template);	9,910✔
171	}	9,910✔
172
173	private void readBlockEnd(BlockEnd block)
174	{	9,910✔
175	DxfMap map = DxfMap.Create<BlockEnd>();	9,910✔
176	CadEntityTemplate template = new CadEntityTemplate(block);	9,910✔
177
178	if (this._reader.DxfCode == DxfCode.Start)	9,910✔
179	{	9,910✔
180	this._reader.ReadNext();	9,910✔
181	}	9,910✔
182
183	while (this._reader.DxfCode != DxfCode.Start)	55,284✔
184	{	45,374✔
185	switch (this._reader.Code)	45,374✔
186	{
187	default:
188	if (!this.tryAssignCurrentValue(template.CadObject, map.SubClasses[DxfSubclassMarker.BlockEnd]))	45,374✔
189	{	45,374✔
190	this.readCommonEntityCodes(template, out bool isExtendedData, map);	45,374✔
191	if (isExtendedData)	45,374✔
UNCOV 192	continue;	×
193	}	45,374✔
194	break;	45,374✔
195	}
196
197	this._reader.ReadNext();	45,374✔
198	}	45,374✔
199
200	this._builder.AddTemplate(template);	9,910✔
201	}	9,910✔
202	}
203	}

DomCR / ACadSharp / 19747691062

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