30339613344

Committed 28 Jul 2026 07:45AM UTC coverage: 75.811% (-0.1%) from 75.927%

Build # 30339613344

Build Type

push

github

Committed by

web-flow

Commit Message

Merge pull request #1154 from domeitzinger/prototype1b-dwg-reader

Implement full Prototype1b section parsing

Coverage Stats

9167 of 13083 branches covered (70.07%)

Branch coverage included in aggregate %.

549 of 707 new or added lines in 31 files covered. (77.65%)

2 existing lines in 2 files now uncovered.

32923 of 42437 relevant lines covered (77.58%)

152242.63 hits per line

Source File
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93.44

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

using System;
using System.IO;

namespace ACadSharp.IO.DXF.DxfStreamReader;

internal class DxfAcdsDataSectionReader : DxfSectionReaderBase
{
        public DxfAcdsDataSectionReader(IDxfStreamReader reader, DxfDocumentBuilder builder)
                : base(reader, builder)
        {
        }

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

                        //The section contains ACDSSCHEMA entries (schema definitions, skipped) and
                        //ACDSRECORD entries. A data record associates an owner entity with its
                        //ASM/ACIS payload:
                        //  2   AcDbDs::ID
                        //  320 <owner entity handle>
                        //  2   ASM_Data
                        //  94  <payload length in bytes>
                        //  310 <hex chunks with the binary payload>
                        //Schema definitions also nest records introduced by group code 101; those
                        //carry no 320/310 pairs so the accumulation below ignores them naturally.
                        bool inRecord = false;
                        ulong currentHandle = 0;
                        MemoryStream payload = null;

                        while (this._reader.ValueAsString != DxfFileToken.EndSection)
                        {
                                if (this._reader.DxfCode == DxfCode.Start)
                                {
                                        this.storeCurrentRecord(currentHandle, payload);

                                        inRecord = this._reader.ValueAsString == DxfFileToken.AcdsRecord;
                                        currentHandle = 0;
                                        payload = null;
                                }
                                else if (inRecord)
                                {
                                        switch (this._reader.Code)
                                        {
                                                case 320:
                                                        currentHandle = this._reader.ValueAsHandle;
                                                        break;
                                                case 310:
                                                        payload = payload ?? new MemoryStream();
                                                        byte[] chunk = this._reader.ValueAsBinaryChunk;
                                                        payload.Write(chunk, 0, chunk.Length);
                                                        break;
                                        }
                                }

                                this._reader.ReadNext();
                        }

                        this.storeCurrentRecord(currentHandle, payload);
                }
                catch (Exception ex)
                {
                        this._builder.Notify("An error occurred while reading the Prototype1b", NotificationType.Error, ex);
                }
        }

        private void storeCurrentRecord(ulong handle, MemoryStream payload)
        {
                if (handle == 0 || payload == null || payload.Length == 0)
                {
                        return;
                }

                this._builder.AcdsDataRecords[handle] = payload.ToArray();
        }
}

1	using System;
2	using System.IO;
3
4	namespace ACadSharp.IO.DXF.DxfStreamReader;
5
6	internal class DxfAcdsDataSectionReader : DxfSectionReaderBase
7	{
8	public DxfAcdsDataSectionReader(IDxfStreamReader reader, DxfDocumentBuilder builder)
9	: base(reader, builder)	75✔
10	{	75✔
11	}	75✔
12
13	public override void Read()
14	{	75✔
15	try
16	{	75✔
17	//Advance to the first value in the section
18	this._reader.ReadNext();	75✔
19
20	//The section contains ACDSSCHEMA entries (schema definitions, skipped) and
21	//ACDSRECORD entries. A data record associates an owner entity with its
22	//ASM/ACIS payload:
23	// 2 AcDbDs::ID
24	// 320 <owner entity handle>
25	// 2 ASM_Data
26	// 94 <payload length in bytes>
27	// 310 <hex chunks with the binary payload>
28	//Schema definitions also nest records introduced by group code 101; those
29	//carry no 320/310 pairs so the accumulation below ignores them naturally.
30	bool inRecord = false;	75✔
31	ulong currentHandle = 0;	75✔
32	MemoryStream payload = null;	75✔
33
34	while (this._reader.ValueAsString != DxfFileToken.EndSection)	19,661✔
35	{	19,586✔
36	if (this._reader.DxfCode == DxfCode.Start)	19,586✔
37	{	718✔
38	this.storeCurrentRecord(currentHandle, payload);	718✔
39
40	inRecord = this._reader.ValueAsString == DxfFileToken.AcdsRecord;	718✔
41	currentHandle = 0;	718✔
42	payload = null;	718✔
43	}	718✔
44	else if (inRecord)	18,868✔
45	{	12,612✔
46	switch (this._reader.Code)	12,612✔
47	{
48	case 320:
49	currentHandle = this._reader.ValueAsHandle;	279✔
50	break;	279✔
51	case 310:
52	payload = payload ?? new MemoryStream();	10,659✔
53	byte[] chunk = this._reader.ValueAsBinaryChunk;	10,659✔
54	payload.Write(chunk, 0, chunk.Length);	10,659✔
55	break;	10,659✔
56	}
57	}	12,612✔
58
59	this._reader.ReadNext();	19,586✔
60	}	19,586✔
61
62	this.storeCurrentRecord(currentHandle, payload);	75✔
63	}	75✔
NEW 64	catch (Exception ex)	×
NEW 65	{	×
NEW 66	this._builder.Notify("An error occurred while reading the Prototype1b", NotificationType.Error, ex);	×
UNCOV 67	}	×
68	}	75✔
69
70	private void storeCurrentRecord(ulong handle, MemoryStream payload)
71	{	793✔
72	if (handle == 0 \|\| payload == null \|\| payload.Length == 0)	793✔
73	{	514✔
74	return;	514✔
75	}
76
77	this._builder.AcdsDataRecords[handle] = payload.ToArray();	279✔
78	}	793✔
79	}

DomCR / ACadSharp / 30339613344

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