Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Data.SqlXml/System/Xml/Xsl/XsltOld/WithParamAction.cs

@@ -0,0 +1,66 @@
+//------------------------------------------------------------------------------
+// <copyright file="WithParamAction.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+// <owner current="true" primary="true">[....]</owner>
+//------------------------------------------------------------------------------
+
+namespace System.Xml.Xsl.XsltOld {
+    using Res = System.Xml.Utils.Res;
+    using System;
+    using System.Diagnostics;
+    using System.Collections;
+    using System.Xml;
+    using System.Xml.XPath;
+
+    internal class WithParamAction : VariableAction {
+        internal WithParamAction() : base(VariableType.WithParameter) {}
+
+        internal override void Compile(Compiler compiler) {
+            CompileAttributes(compiler);
+            CheckRequiredAttribute(compiler, this.name, "name");
+            if (compiler.Recurse()) {
+                CompileTemplate(compiler);
+                compiler.ToParent();
+
+                if (this.selectKey != Compiler.InvalidQueryKey && this.containedActions != null) {
+                    throw XsltException.Create(Res.Xslt_VariableCntSel2, this.nameStr);
+                }
+            }
+        }
+        
+        internal override void Execute(Processor processor, ActionFrame frame) {
+            Debug.Assert(processor != null && frame != null);
+            object ParamValue;
+            switch(frame.State) {
+            case Initialized:           
+                if (this.selectKey != Compiler.InvalidQueryKey) {
+                    ParamValue = processor.RunQuery(frame, this.selectKey);
+                    processor.SetParameter(this.name, ParamValue);
+                    frame.Finished();
+                }
+                else {
+                    if (this.containedActions == null) {
+                        processor.SetParameter(this.name, string.Empty);
+                        frame.Finished();
+                        break;
+                    }
+                    NavigatorOutput output = new NavigatorOutput(baseUri);
+                    processor.PushOutput(output);
+                    processor.PushActionFrame(frame);
+                    frame.State = ProcessingChildren;
+                }
+                break;
+            case ProcessingChildren:
+                RecordOutput recOutput = processor.PopOutput();
+                Debug.Assert(recOutput is NavigatorOutput);
+                processor.SetParameter(this.name,((NavigatorOutput)recOutput).Navigator);
+                frame.Finished();
+                break;
+            default:
+                Debug.Fail("Invalid execution state inside VariableAction.Execute");
+		    break;
+            }
+        }
+    }
+}