From 6a3bfd314d87bed96611d24440b0961a06bf7e91 Mon Sep 17 00:00:00 2001
From: Ben Harris <ben@tilde.team>
Date: Mon, 20 Apr 2020 17:24:59 -0400
Subject: stateful in progress

---
 IrcTokens/StatefulEncoder.cs | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 IrcTokens/StatefulEncoder.cs

(limited to 'IrcTokens/StatefulEncoder.cs')

diff --git a/IrcTokens/StatefulEncoder.cs b/IrcTokens/StatefulEncoder.cs
new file mode 100644
index 0000000..0c8b5f9
--- /dev/null
+++ b/IrcTokens/StatefulEncoder.cs
@@ -0,0 +1,35 @@
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace IrcTokens
+{
+    public class StatefulEncoder
+    {
+        private string _buffer;
+        public EncodingInfo Encoding { get; set; }
+        private List<Line> _bufferedLines;
+
+        public string Pending => _buffer;
+
+        public void Clear()
+        {
+            _buffer = "";
+            _bufferedLines.Clear();
+        }
+
+        public void Push(Line line)
+        {
+            _buffer += $"{line.Format()}\r\n";
+            _bufferedLines.Add(line);
+        }
+
+        public List<Line> Pop(int byteCount)
+        {
+            var sent = _buffer.Substring(byteCount).Count(c => c == '\n');
+            _buffer = _buffer.Substring(byteCount);
+            _bufferedLines = _bufferedLines.Skip(sent).ToList();
+            return _bufferedLines.Take(sent).ToList();
+        }
+    }
+}
-- 
cgit 1.4.1