added missing code from check-in (associated with enabling multiple iterate blocks)

Author: richard.waspcroft@gmail.com

src/MyBatis.DataMapper/Model/Binding/BindingExpression.cs

@@ -0,0 +1,26 @@
+using System;
+namespace MyBatis.DataMapper.Model.Binding
+{
+    internal class BindingExpression
+    {
+        public string FullPropertyName;
+
+        public string Name;
+
+        public string PropertyName;
+
+        public string Value;
+
+        public BindingExpression()
+        {
+        }
+
+        public BindingExpression(string name)
+        {
+            if (string.IsNullOrEmpty(name))
+                throw new ArgumentNullException("name");
+
+            Name = name;
+        }
+    }
+}

src/MyBatis.DataMapper/Model/Binding/BindingReplacement.cs

@@ -0,0 +1,43 @@
+using System;
+using System.Text;
+
+namespace MyBatis.DataMapper.Model.Binding
+{
+    internal class BindingReplacement
+    {
+        public string FullPropertyName;
+        public string Name;
+        public string Placeholder;
+        public string Value;
+
+        public void Replace(StringBuilder buffer)
+        {
+            if (buffer == null)
+                throw new ArgumentNullException("buffer");
+
+            var replacementValue = Value;
+
+            if (!String.IsNullOrEmpty(FullPropertyName))
+            {
+                replacementValue = FullPropertyName;
+            }
+
+            buffer.Replace(Placeholder, replacementValue);
+        }
+
+        public void Replace(ref string buffer)
+        {
+            if (buffer == null)
+                throw new ArgumentNullException("buffer");
+
+            var replacementValue = Value;
+
+            if (!String.IsNullOrEmpty(FullPropertyName))
+            {
+                replacementValue = FullPropertyName;
+            }
+
+            buffer = buffer.Replace(Placeholder, replacementValue);
+        }
+    }
+}