Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / XsltOld / ValueOfAction.cs / 1305376 / ValueOfAction.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //[....] //----------------------------------------------------------------------------- namespace System.Xml.Xsl.XsltOld { using Res = System.Xml.Utils.Res; using System; using System.Diagnostics; using System.Xml; using System.Xml.XPath; internal class ValueOfAction : CompiledAction { private const int ResultStored = 2; private int selectKey = Compiler.InvalidQueryKey; private bool disableOutputEscaping; private static Action s_BuiltInRule = new BuiltInRuleTextAction(); internal static Action BuiltInRule() { Debug.Assert(s_BuiltInRule != null); return s_BuiltInRule; } internal override void Compile(Compiler compiler) { CompileAttributes(compiler); CheckRequiredAttribute(compiler, selectKey != Compiler.InvalidQueryKey, "select"); CheckEmpty(compiler); } internal override bool CompileAttribute(Compiler compiler) { string name = compiler.Input.LocalName; string value = compiler.Input.Value; if (Ref.Equal(name, compiler.Atoms.Select)) { this.selectKey = compiler.AddQuery(value); } else if (Ref.Equal(name, compiler.Atoms.DisableOutputEscaping)) { this.disableOutputEscaping = compiler.GetYesNo(value); } else { return false; } return true; } internal override void Execute(Processor processor, ActionFrame frame) { Debug.Assert(processor != null && frame != null); switch (frame.State) { case Initialized: Debug.Assert(frame != null); Debug.Assert(frame.NodeSet != null); string value = processor.ValueOf(frame, this.selectKey); if (processor.TextEvent(value, disableOutputEscaping)) { frame.Finished(); } else { frame.StoredOutput = value; frame.State = ResultStored; } break; case ResultStored: Debug.Assert(frame.StoredOutput != null); processor.TextEvent(frame.StoredOutput); frame.Finished(); break; default: Debug.Fail("Invalid ValueOfAction execution state"); break; } } } internal class BuiltInRuleTextAction : Action { private const int ResultStored = 2; internal override void Execute(Processor processor, ActionFrame frame) { Debug.Assert(processor != null && frame != null); switch (frame.State) { case Initialized: Debug.Assert(frame != null); Debug.Assert(frame.NodeSet != null); string value = processor.ValueOf(frame.NodeSet.Current); if (processor.TextEvent(value, /*disableOutputEscaping:*/false)) { frame.Finished(); } else { frame.StoredOutput = value; frame.State = ResultStored; } break; case ResultStored: Debug.Assert(frame.StoredOutput != null); processor.TextEvent(frame.StoredOutput); frame.Finished(); break; default: Debug.Fail("Invalid BuiltInRuleTextAction execution state"); break; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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