Add my stream parser to utils, simple probably could use some work.

2026-09-03 09:26:36 +00:00 · 2024-10-16 23:04:10 -07:00
parent ae198ae043
commit 534de0c414
14 changed files with 1834 additions and 0 deletions
@@ -0,0 +1,114 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StreamParser.Common.Daybreak
+{
+    public ref struct GamePacket
+    {
+        private readonly ReadOnlySpan<byte> _data;
+
+        public GamePacket(ReadOnlySpan<byte> data)
+        {
+            _data = data;
+        }
+
+        public readonly override string ToString()
+        {
+            return ToString(16);
+        }
+
+        public readonly string ToString(int columns)
+        {
+            int rows = _data.Length / columns;
+            if (_data.Length % columns != 0)
+            {
+                rows += 1;
+            }
+
+            int expected = (10 + columns * 4) * rows;
+            var sb = new StringBuilder(expected);
+
+            for(var i = 0; i < rows; ++i)
+            {
+                sb.AppendFormat("{0} |", (i * columns).ToString("X5"));
+
+                for(var j = 0; j < columns; ++j)
+                {
+                    var index = (i * 16) + j;
+                    if (index >= _data.Length)
+                    {
+                        sb.Append("   ");
+                    } else
+                    {
+                        var c = _data[index];
+                        sb.AppendFormat("{0,3}", c.ToString("X2"));
+                    }
+                }
+
+                sb.Append(" | ");
+
+                for (var j = 0; j < columns; ++j)
+                {
+                    var index = (i * 16) + j;
+                    if (index >= _data.Length)
+                    {
+                        sb.Append(" ");
+                    }
+                    else
+                    {
+                        var c = _data[index];
+                        var ch = (char)c;
+                        if (char.IsLetterOrDigit(ch) || char.IsPunctuation(ch) || char.IsSymbol(ch) || (ch == ' '))
+                        {
+                            sb.Append(ch);
+                        }
+                        else
+                        {
+                            sb.Append(".");
+                        }
+                    }
+                }
+
+                sb.AppendLine();
+            }
+
+            return sb.ToString();
+        }
+
+        public readonly string ToModelString(int max_taken, bool hex)
+        {
+            int expected = Math.Min(_data.Length, max_taken) * (hex ? 2 : 1);
+            if(expected <= 0)
+            {
+                return string.Empty;
+            }
+
+            var sb = new StringBuilder(expected);
+
+            for(var i = 0; i < Math.Min(_data.Length, max_taken); ++i)
+            {
+                var c = _data[i];
+                if(hex)
+                {
+                    sb.Append(c.ToString("X2"));
+                } else
+                {
+                    var ch = (char)c;
+                    if (char.IsLetterOrDigit(ch) || char.IsPunctuation(ch) || char.IsSymbol(ch) || (ch == ' '))
+                    {
+                        sb.Append(ch);
+                    }
+                    else
+                    {
+                        sb.Append(".");
+                    }
+                }
+            }
+
+            return sb.ToString();
+        }
+    }
+}