feat: model legacy line number marker settings

Plant3D2026/P_Rec_Annot/src/PRecAnnot.Core/ProductionSettingsContract.cs

@@ -17,7 +17,8 @@ public sealed record ProductionSettingsContract(
     string ElevationTextStyle,
     string SetLayer,
     double? FixedSupportPlusLength,
-    string? ScriptFolder)
+    string? ScriptFolder,
+    LineNumberMarkerSettings? LineNumberMarker)
 {
     public static ProductionSettingsContract Parse(string xml)
     {
@@ -38,6 +39,12 @@ public sealed record ProductionSettingsContract(
         if (string.IsNullOrWhiteSpace(setLayer)) throw Invalid("SetLayer.name");
         var plusLength = root.Element("PlusLengthNO")?.Attribute("value")?.Value;
         double? parsedPlusLength = TryParseLegacyNumber(plusLength, out var plus) ? plus : null;
+        var marker = root.Element("LineNumbers")?.Element("Marker");
+        LineNumberMarkerSettings? parsedMarker = marker is null ? null : new(
+            Required(marker, "layer"),
+            TryParseLegacyNumber(marker.Attribute("maskscalefactor")?.Value, out var mask) ? mask : null,
+            ParseLine(marker.Element("Line")),
+            ParseText(marker.Element("Text")));
         return new(
             copy,
             layers,
@@ -51,9 +58,25 @@ public sealed record ProductionSettingsContract(
             Required(elevations, "textstyle"),
             setLayer,
             parsedPlusLength,
-            root.Element("ScriptFolder")?.Attribute("path")?.Value);
+            root.Element("ScriptFolder")?.Attribute("path")?.Value,
+            parsedMarker);
     }
 
+    private static LineGeometrySettings? ParseLine(XElement? value) => value is null ? null : new(
+        TryParseLegacyNumber(value.Attribute("startx")?.Value, out var startX) ? startX : null,
+        TryParseLegacyNumber(value.Attribute("starty")?.Value, out var startY) ? startY : null,
+        TryParseLegacyNumber(value.Attribute("endx")?.Value, out var endX) ? endX : null,
+        TryParseLegacyNumber(value.Attribute("endy")?.Value, out var endY) ? endY : null,
+        value.Attribute("layer")?.Value);
+
+    private static TextAnnotationSettings? ParseText(XElement? value) => value is null ? null : new(
+        value.Attribute("layer")?.Value,
+        value.Attribute("textstyle")?.Value,
+        TryParseLegacyNumber(value.Attribute("size")?.Value, out var size) ? size : null,
+        value.Attribute("textvalue")?.Value,
+        TryParseLegacyNumber(value.Attribute("positionx")?.Value, out var positionX) ? positionX : null,
+        TryParseLegacyNumber(value.Attribute("positiony")?.Value, out var positionY) ? positionY : null);
+
     private static int? ParseInt(XElement value, string name) => int.TryParse(value.Attribute(name)?.Value, NumberStyles.Integer, CultureInfo.InvariantCulture, out var parsed) ? parsed : null;
     private static bool TryParseLegacyNumber(string? value, out double parsed)
     {
@@ -66,3 +89,6 @@ public sealed record ProductionSettingsContract(
 
 public sealed record NamedDrawingObject(string Type, string Name);
 public sealed record LayerSetupRule(string FilterType, string FilterValue, int? LineWeight, string LineType, string Color);
+public sealed record LineNumberMarkerSettings(string Layer, double? MaskScaleFactor, LineGeometrySettings? Line, TextAnnotationSettings? Text);
+public sealed record LineGeometrySettings(double? StartX, double? StartY, double? EndX, double? EndY, string? Layer);
+public sealed record TextAnnotationSettings(string? Layer, string? TextStyle, double? Size, string? TextValue, double? PositionX, double? PositionY);

Plant3D2026/P_Rec_Annot/tests/PRecAnnot.Core.Tests/ProductionSettingsContractTests.cs

@@ -43,4 +43,15 @@ public sealed class ProductionSettingsContractTests
         var result = ProductionSettingsContract.Parse(xml);
         Assert.Equal(1.5, result.FixedSupportPlusLength);
     }
+
+    [Fact]
+    public void ParsesLegacyLineNumberMarkerContract()
+    {
+        const string xml = "<Main><CopyMissingObjects/><LayersSetup/><Annotations layer='TEXT' textstyle='GOSTC' multileaderstyle='PXP'/><LinenumberConnections polylinelayer='AXIS' textlayer='TEXT' textstyle='GOSTC'/><Elevations layer='THIN' textstyle='GOSTC'/><LineNumbers><Marker layer='DIM' maskscalefactor='1,10'><Line layer='DIM' startx='-1,0607' starty='-1,0607' endx='1,0607' endy='1,0607'/><Text layer='TEXT' textstyle='GOSTC' size='2,5' textvalue='' positionx='-4.0' positiony='4.4'/></Marker></LineNumbers><SetLayer name='AXIS'/></Main>";
+        var result = ProductionSettingsContract.Parse(xml);
+        Assert.NotNull(result.LineNumberMarker);
+        Assert.Equal(1.10, result.LineNumberMarker!.MaskScaleFactor);
+        Assert.Equal(-1.0607, result.LineNumberMarker.Line!.StartX);
+        Assert.Equal(2.5, result.LineNumberMarker.Text!.Size);
+    }
 }