exp ini generator

Domain/Something/ExpIniFileGenerator.cs

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+using System.Text;
+
+namespace Domain.Somthing;
+
+public class ExpIniFileGenerator(uint rowCount, uint oddColumnCount, uint evenColumnCount)
+{
+    private const string _lineEnding = "\r\n";
+
+    public string Generate(IEnumerable<FrameExpInfo> frameInfos)
+    {
+        var groups = frameInfos
+            .DistinctBy(q => new {q.Row, q.Column})
+            .GroupBy(q => q.Row, (row, columns) => new { Row = row, Columns = columns });
+        var sb = new StringBuilder();
+        AppendLine(sb, oddColumnCount.ToString());
+        AppendLine(sb, evenColumnCount.ToString());
+        AppendLine(sb, rowCount.ToString());
+        
+        foreach (var row in groups.OrderBy(q => q.Row))
+        {
+            bool? isPreviousContainAnything = null;
+            var stateAccumulator = 0u;
+            foreach (var column in row.Columns)
+            {
+                isPreviousContainAnything ??= column.IsContainAnything;
+
+                if (isPreviousContainAnything == column.IsContainAnything)
+                {
+                    stateAccumulator++;
+                }
+                else
+                {
+                    sb.Append(GetExpValue(isPreviousContainAnything.Value, stateAccumulator));
+                    stateAccumulator = 0u;
+                    isPreviousContainAnything = column.IsContainAnything;
+                }
+            }
+
+            if (stateAccumulator > 0 && isPreviousContainAnything.HasValue)
+            {
+                sb.Append(GetExpValue(isPreviousContainAnything.Value, stateAccumulator));
+            }
+            sb.Append(_lineEnding);
+        }
+        
+        return sb.ToString();
+    }
+
+    private static void AppendLine(StringBuilder sb, string text)
+    {
+        sb.Append(text);
+        sb.Append(_lineEnding);
+    }
+
+    private static string GetExpValue(bool isContainAnything, uint accumulator)
+    {
+        return string.Concat(accumulator.ToString(), isContainAnything ? 'e' : 'z');
+    }
+
+    public class FrameExpInfo
+    {
+        public uint Row { get; init; }
+        public uint Column { get; init; }
+        public bool IsContainAnything { get; set; }
+    }
+}