From 961bf05e7e71a4dbfd1ed1641afbed4e90c10464 Mon Sep 17 00:00:00 2001
From: Michał Klichowicz <emkael@tlen.pl>
Date: Fri, 18 Sep 2026 10:16:07 +0200
Subject:  * ignoring multiple/leading empty lines  * error readability
 improvements

---
 src/PBNFile.cs | 39 ++++++++++++++++++++++++++-------------
 1 file changed, 26 insertions(+), 13 deletions(-)

(limited to 'src/PBNFile.cs')

diff --git a/src/PBNFile.cs b/src/PBNFile.cs
index b26f84c..f2a1465 100644
--- a/src/PBNFile.cs
+++ b/src/PBNFile.cs
@@ -9,6 +9,7 @@ namespace BCDD
     class PBNFile
     {
         public List<PBNBoard> Boards;
+        public Dictionary<int, String> ParseErrors;
 
         private String filename;
         private String tmpFileName;
@@ -18,28 +19,40 @@ namespace BCDD
         public PBNFile(String filename)
         {
             this.filename = filename;
+            this.ParseErrors = new Dictionary<int, string>();
             this.Boards = new List<PBNBoard>();
-            String[] contents = File.ReadAllLines(this.filename).Select(l => l.Trim()).ToArray();
+            List<String> contents = File.ReadAllLines(this.filename).Select(l => l.Trim()).ToList();
+            if (!contents.Last().Equals(""))
+            {
+                contents.Add("");
+            }
             List<String> lines = new List<String>();
-            foreach (String line in contents)
+            int lineNo = 0;
+            for (int l = 0; l < contents.Count; l++)
             {
-                if (line.Length == 0)
+                String line = contents[l];
+                if (line.Length != 0)
                 {
-                    if (lines.Count > 0)
-                    {
-                        this.Boards.Add(new PBNBoard(lines));
-                        lines = new List<String>();
-                    }
+                    lines.Add(line);
+                    continue;
                 }
                 else
                 {
-                    lines.Add(line);
+                    if (lines.Count > 0) // ignore leading or multiple empty lines
+                    {
+                        try
+                        {
+                            this.Boards.Add(new PBNBoard(lines));
+                        }
+                        catch (Exception ex)
+                        {
+                            this.ParseErrors[lineNo+1] = ex.Message;
+                        }
+                        lines = new List<String>();
+                        lineNo = l;
+                    }
                 }
             }
-            if (lines.Count > 0)
-            {
-                this.Boards.Add(new PBNBoard(lines));
-            }
             if (!this.Boards[0].HasField("Event"))
             {
                 this.Boards[0].WriteEvent("");
-- 
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