Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/UI/SimplePropertyEntry.cs

@@ -0,0 +1,102 @@
+//------------------------------------------------------------------------------
+// <copyright file="SimplePropertyEntry.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.UI {
+
+    using System.CodeDom;
+    using System.Web.Compilation;
+    using Debug=System.Web.Util.Debug;
+
+    /// <devdoc>
+    /// PropertyEntry for simple attributes
+    /// </devdoc>
+    public class SimplePropertyEntry : PropertyEntry {
+        private string _persistedValue;
+        private bool _useSetAttribute;
+        private object _value;
+
+        internal SimplePropertyEntry() {
+        }
+
+
+        /// <devdoc>
+        /// </devdoc>
+        // 
+        public string PersistedValue {
+            get {
+                return _persistedValue;
+            }
+            set {
+                _persistedValue = value;
+            }
+        }
+
+
+        /// <devdoc>
+        /// </devdoc>
+        public bool UseSetAttribute {
+            get {
+                return _useSetAttribute;
+            }
+            set {
+                _useSetAttribute = value;
+            }
+        }
+
+
+        /// <devdoc>
+        /// </devdoc>
+        public object Value {
+            get {
+                return _value;
+            }
+            set {
+                _value = value;
+            }
+        }
+
+        // Build the statement that assigns this property
+        internal CodeStatement GetCodeStatement(BaseTemplateCodeDomTreeGenerator generator,
+            CodeExpression ctrlRefExpr) {
+
+            // If we don't have a type, use IAttributeAccessor.SetAttribute
+            if (UseSetAttribute) {
+                // e.g. ((IAttributeAccessor)__ctrl).SetAttribute("{{_name}}", "{{_value}}");
+                CodeMethodInvokeExpression methCallExpression = new CodeMethodInvokeExpression(
+                    new CodeCastExpression(typeof(IAttributeAccessor), ctrlRefExpr),
+                        "SetAttribute");
+
+                methCallExpression.Parameters.Add(new CodePrimitiveExpression(Name));
+                methCallExpression.Parameters.Add(new CodePrimitiveExpression(Value));
+                return new CodeExpressionStatement(methCallExpression);
+            }
+
+            CodeExpression leftExpr, rightExpr = null;
+
+            if (PropertyInfo != null) {
+                leftExpr = CodeDomUtility.BuildPropertyReferenceExpression(ctrlRefExpr, Name);
+            }
+            else {
+                // In case of a field, there should only be one (unlike properties)
+                Debug.Assert(Name.IndexOf('.') < 0, "_name.IndexOf('.') < 0");
+                leftExpr = new CodeFieldReferenceExpression(ctrlRefExpr, Name);
+            }
+
+            if (Type == typeof(string)) {
+                rightExpr = generator.BuildStringPropertyExpression(this);
+            }
+            else {
+                rightExpr = CodeDomUtility.GenerateExpressionForValue(PropertyInfo, Value, Type);
+            }
+
+            // Now that we have both side, add the assignment
+            return new CodeAssignStatement(leftExpr, rightExpr);
+        }
+    }
+
+}
+
+