1 files changed, 75 insertions, 0 deletions
diff --git a/src/PBNFile.cs b/src/PBNFile.cs
new file mode 100644
index 0000000..b26f84c
--- /dev/null
+++ b/src/PBNFile.cs
@@ -0,0 +1,75 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.IO;
+
+namespace BCDD
+{
+    class PBNFile
+    {
+        public List<PBNBoard> Boards;
+
+        private String filename;
+        private String tmpFileName;
+
+        StreamWriter outputFile;
+
+        public PBNFile(String filename)
+        {
+            this.filename = filename;
+            this.Boards = new List<PBNBoard>();
+            String[] contents = File.ReadAllLines(this.filename).Select(l => l.Trim()).ToArray();
+            List<String> lines = new List<String>();
+            foreach (String line in contents)
+            {
+                if (line.Length == 0)
+                {
+                    if (lines.Count > 0)
+                    {
+                        this.Boards.Add(new PBNBoard(lines));
+                        lines = new List<String>();
+                    }
+                }
+                else
+                {
+                    lines.Add(line);
+                }
+            }
+            if (lines.Count > 0)
+            {
+                this.Boards.Add(new PBNBoard(lines));
+            }
+            if (!this.Boards[0].HasField("Event"))
+            {
+                this.Boards[0].WriteEvent("");
+            }
+        }
+
+        public void WriteBoard(PBNBoard board)
+        {
+            if (this.outputFile == null)
+            {
+                this.tmpFileName = Path.GetTempFileName();
+                this.outputFile = new StreamWriter(new FileStream(this.tmpFileName, FileMode.Create), Encoding.UTF8);
+            }
+            foreach (PBNField field in board.Fields)
+            {
+                this.outputFile.WriteLine(field.RawField);
+            }
+            this.outputFile.WriteLine();
+        }
+
+        public void Save()
+        {
+            if (this.outputFile == null)
+            {
+                throw new IOException("No boards written to PBN file, unable to save it.");
+            }
+            this.outputFile.Flush();
+            this.outputFile.Close();
+            File.Delete(this.filename);
+            File.Move(this.tmpFileName, this.filename);
+        }
+    }
+}