Initial commit

srcs/RobotNet10/RobotApp/Communication/Sick.SafetyScanners/DataProcessing/ParseApplicationName.cs

@@ -0,0 +1,89 @@
+using Sick.SafetyScanners.DataStructures;
+using Sick.SafetyScanners.Helpers;
+using System.Text;
+
+namespace Sick.SafetyScanners.DataProcessing;
+
+/// <summary>
+/// Parser for ApplicationName response from COLA2 variable command
+/// Thread-safe implementation
+/// </summary>
+public sealed class ParseApplicationName
+{
+    /// <summary>
+    /// Parses the application name from a TCP sequence (COLA2 response)
+    /// Matches: ParseApplicationNameData::parseTCPSequence in C++
+    /// </summary>
+    public ApplicationName ParseTcpSequence(PacketBuffer buffer)
+    {
+        var span = buffer.GetBufferSpan();
+        return new ApplicationName
+        {
+            VersionCVersion = ReadVersionIndicator(span),
+            VersionMajorVersionNumber = ReadMajorNumber(span),
+            VersionMinorVersionNumber = ReadMinorNumber(span),
+            VersionReleaseNumber = ReadReleaseNumber(span),
+            NameLength = ReadNameLength(span),
+            Name = ReadApplicationName(span)
+        };
+    }
+    
+    /// <summary>
+    /// Matches: ParseApplicationNameData::readVersionIndicator in C++
+    /// </summary>
+    private string ReadVersionIndicator(ReadOnlySpan<byte> span)
+    {
+        byte ch = ReadWriteHelper.ReadUint8(span, 0);
+        return ((char)ch).ToString();
+    }
+    
+    /// <summary>
+    /// Matches: ParseApplicationNameData::readMajorNumber in C++
+    /// </summary>
+    private byte ReadMajorNumber(ReadOnlySpan<byte> span)
+    {
+        return ReadWriteHelper.ReadUint8(span, 1);
+    }
+    
+    /// <summary>
+    /// Matches: ParseApplicationNameData::readMinorNumber in C++
+    /// </summary>
+    private byte ReadMinorNumber(ReadOnlySpan<byte> span)
+    {
+        return ReadWriteHelper.ReadUint8(span, 2);
+    }
+    
+    /// <summary>
+    /// Matches: ParseApplicationNameData::readReleaseNumber in C++
+    /// </summary>
+    private byte ReadReleaseNumber(ReadOnlySpan<byte> span)
+    {
+        return ReadWriteHelper.ReadUint8(span, 3);
+    }
+    
+    /// <summary>
+    /// Matches: ParseApplicationNameData::readNameLength in C++
+    /// </summary>
+    private uint ReadNameLength(ReadOnlySpan<byte> span)
+    {
+        return ReadWriteHelper.ReadUint32LittleEndian(span, 4);
+    }
+    
+    /// <summary>
+    /// Matches: ParseApplicationNameData::readApplicationName in C++
+    /// </summary>
+    private string ReadApplicationName(ReadOnlySpan<byte> span)
+    {
+        uint nameLength = ReadWriteHelper.ReadUint32LittleEndian(span, 4);
+        
+        var nameBuilder = new StringBuilder((int)nameLength);
+        for (uint i = 0; i < nameLength; i++)
+        {
+            byte ch = ReadWriteHelper.ReadUint8(span, 8 + (int)i);
+            nameBuilder.Append((char)ch);
+        }
+        
+        return nameBuilder.ToString();
+    }
+}
+