galaxy brain 2: bit of restructure (Bootstrap)

Dalamud.Bootstrap/SqexArg/ArgumentBuilder.cs

@@ -0,0 +1,55 @@
+using System.Collections.Generic;
+using System.Text;
+
+namespace Dalamud.Bootstrap.SqexArg
+{
+    internal sealed class ArgumentBuilder
+    {
+        private readonly Dictionary<string, string> m_dict;
+
+        public ArgumentBuilder()
+        {
+            m_dict = new Dictionary<string, string>();
+        }
+
+        public ArgumentBuilder Add(string key, string value)
+        {
+            m_dict.Add(key, value);
+
+            return this;
+        }
+
+        public ArgumentBuilder Clear()
+        {
+            m_dict.Clear();
+
+            return this;
+        }
+
+        private static void Write(StringBuilder buffer, string key, string value)
+        {
+            var escapedKey = EscapeValue(key);
+            var escapedvalue = EscapeValue(value);
+
+            buffer.Append($" /{escapedKey} ={escapedvalue}");
+        }
+
+        private static string EscapeValue(string value)
+        {
+            // a single space character is represented as dobule spaces
+            return value.Replace(" ", "  ");
+        }
+
+        public override string ToString()
+        {
+            var buffer = new StringBuilder(256);
+            
+            foreach (var kv in m_dict)
+            {
+                Write(buffer, kv.Key, kv.Value);
+            }
+
+            return buffer.ToString();
+        }
+    }
+}