Add horizontal line

AnkiPoetry.Engine/BaseCreatorPerLine.cs

@@ -4,7 +4,10 @@ namespace AnkiPoetry.Engine;
 
 public abstract class BaseCreatorPerLine<T> : BaseCreator<T>
 {
-    protected abstract IEnumerable<T> CreateCard(string number, string beginning, MyLine to, int colors, bool line_numbers);
+    protected abstract T CreateCard(string number, string beginning, string ending, MyLine to, int colors, bool line_numbers);
+
+    protected virtual MyLine[] FilterLines(MyLine[] lines)
+        => lines;
 
     protected static string JoinLines(MyLine[] list, int colors, bool line_numbers)
     {
@@ -21,17 +24,19 @@ protected static string JoinLines(MyLine[] list, int colors, bool line_numbers)
 
     protected override IEnumerable<T> CardFromChunk(Chunk chunk, int colors, bool line_numbers)
     {
-        for (var i = 0; i < chunk.Lines.Length - 1; ++i)
+        var filtered = FilterLines(chunk.Lines);
+
+        for (var i = 0; i < filtered.Length - 1; ++i)
         {
-            var to = chunk.Lines[i + 1];
+            var to = filtered[i + 1];
             var number = CreateNumber(chunk.MaxSongNumber, chunk.SectionNumber, chunk.SongNumber, to.LineNumber);
 
-            var beginning = CreateHeader(chunk.Header) + JoinLines(chunk.Lines[..(i + 1)], colors, line_numbers);
+            var beginning = CreateHeader(chunk.Header) + JoinLines(filtered[..(i + 1)], colors, line_numbers);
+            var ending = (i == filtered.Length - 2) ? "<hr>" : "";
 
-            var cards = CreateCard(number, beginning, to, colors, line_numbers);
+            var card = CreateCard(number, beginning, ending, to, colors, line_numbers);
 
-            foreach (var card in cards)
-                yield return card;
+            yield return card;
         }
     }
 }

AnkiPoetry.Engine/LineCreator.cs

@@ -2,11 +2,11 @@
 
 public class LineCreator : BaseCreatorPerLine<Card>
 {
-    protected override IEnumerable<Card> CreateCard(string number, string beginning, MyLine to, int colors, bool line_numbers)
+    protected override Card CreateCard(string number, string beginning, string ending, MyLine to, int colors, bool line_numbers)
     {
         var text = MakeCloze(AddPrefixPostfix(to.Text, to.LineType));
         var cloze = AddLineNumber(to.LineNumber, text, colors, line_numbers);
-        yield return new(number, beginning + cloze);
+        return new(number, beginning + cloze + ending);
     }
 
     private static string MakeCloze(string text)

AnkiPoetry.Engine/PageCreator.cs

@@ -29,6 +29,8 @@ protected override IEnumerable<Card> CardFromChunk(Chunk chunk, int colors, bool
             even = !even;
         }
 
+        sb.Append("<hr>");
+
         yield return new(number, sb.ToString());
     }
 

AnkiPoetry.Engine/WordCreator.cs

@@ -5,15 +5,13 @@ namespace AnkiPoetry.Engine;
 
 public partial class WordCreator : BaseCreatorPerLine<Card>
 {
-    protected override IEnumerable<Card> CreateCard(string number, string beginning, MyLine to, int colors, bool line_numbers)
-    {
-        if (to.LineType != LineType.Norm)
-            yield break;
+    protected override MyLine[] FilterLines(MyLine[] lines)
+        => lines.Where(a => a.LineType != LineType.Next).ToArray();
 
+    protected override Card CreateCard(string number, string beginning, string ending, MyLine to, int colors, bool line_numbers)
+    {
         var cloze = GetLineText(MakeCloze(to.Text), to, colors, line_numbers);
-        var text = beginning + cloze;
-
-        yield return new(number, text);
+        return new(number, beginning + cloze + ending);
     }
 
     private static string MakeCloze(string text)