117 lines
3.9 KiB
C#
117 lines
3.9 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="ValueOfAction.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">[....]</owner>
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//------------------------------------------------------------------------------
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namespace System.Xml.Xsl.XsltOld {
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using Res = System.Xml.Utils.Res;
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using System;
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using System.Diagnostics;
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using System.Xml;
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using System.Xml.XPath;
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internal class ValueOfAction : CompiledAction {
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private const int ResultStored = 2;
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private int selectKey = Compiler.InvalidQueryKey;
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private bool disableOutputEscaping;
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private static Action s_BuiltInRule = new BuiltInRuleTextAction();
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internal static Action BuiltInRule() {
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Debug.Assert(s_BuiltInRule != null);
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return s_BuiltInRule;
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}
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internal override void Compile(Compiler compiler) {
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CompileAttributes(compiler);
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CheckRequiredAttribute(compiler, selectKey != Compiler.InvalidQueryKey, "select");
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CheckEmpty(compiler);
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}
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internal override bool CompileAttribute(Compiler compiler) {
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string name = compiler.Input.LocalName;
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string value = compiler.Input.Value;
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if (Ref.Equal(name, compiler.Atoms.Select)) {
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this.selectKey = compiler.AddQuery(value);
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}
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else if (Ref.Equal(name, compiler.Atoms.DisableOutputEscaping)) {
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this.disableOutputEscaping = compiler.GetYesNo(value);
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}
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else {
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return false;
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}
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return true;
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}
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internal override void Execute(Processor processor, ActionFrame frame) {
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Debug.Assert(processor != null && frame != null);
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switch (frame.State) {
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case Initialized:
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Debug.Assert(frame != null);
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Debug.Assert(frame.NodeSet != null);
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string value = processor.ValueOf(frame, this.selectKey);
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if (processor.TextEvent(value, disableOutputEscaping)) {
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frame.Finished();
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}
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else {
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frame.StoredOutput = value;
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frame.State = ResultStored;
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}
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break;
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case ResultStored:
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Debug.Assert(frame.StoredOutput != null);
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processor.TextEvent(frame.StoredOutput);
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frame.Finished();
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break;
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default:
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Debug.Fail("Invalid ValueOfAction execution state");
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break;
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}
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}
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}
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internal class BuiltInRuleTextAction : Action {
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private const int ResultStored = 2;
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internal override void Execute(Processor processor, ActionFrame frame) {
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Debug.Assert(processor != null && frame != null);
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switch (frame.State) {
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case Initialized:
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Debug.Assert(frame != null);
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Debug.Assert(frame.NodeSet != null);
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string value = processor.ValueOf(frame.NodeSet.Current);
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if (processor.TextEvent(value, /*disableOutputEscaping:*/false)) {
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frame.Finished();
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}
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else {
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frame.StoredOutput = value;
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frame.State = ResultStored;
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}
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break;
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case ResultStored:
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Debug.Assert(frame.StoredOutput != null);
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processor.TextEvent(frame.StoredOutput);
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frame.Finished();
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break;
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default:
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Debug.Fail("Invalid BuiltInRuleTextAction execution state");
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break;
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}
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}
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}
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}
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