Code:
/ 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / XmlUtils / System / Xml / Xsl / XsltOld / CompiledAction.cs / 1305376 / CompiledAction.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 abstract class CompiledAction : Action { internal abstract void Compile(Compiler compiler); internal virtual bool CompileAttribute(Compiler compiler) { return false; } public void CompileAttributes(Compiler compiler) { NavigatorInput input = compiler.Input; string element = input.LocalName; if (input.MoveToFirstAttribute()) { do { if (input.NamespaceURI.Length != 0) continue; try { if (CompileAttribute(compiler) == false) { throw XsltException.Create(Res.Xslt_InvalidAttribute, input.LocalName, element); } }catch { if (! compiler.ForwardCompatibility) { throw; } else { // In ForwardCompatibility mode we ignoreing all unknown or incorrect attributes // If it's mandatory attribute we'l notice it absents later. } } } while (input.MoveToNextAttribute()); input.ToParent(); } } // For perf reason we precalculating AVTs at compile time. // If we can do this we set original AVT to null internal static string PrecalculateAvt(ref Avt avt) { string result = null; if(avt != null && avt.IsConstant) { result = avt.Evaluate(null, null); avt = null; } return result; } public void CheckEmpty(Compiler compiler) { // Really EMPTY means no content at all, but the sake of compatibility with MSXML we allow whitespaces string elementName = compiler.Input.Name; if (compiler.Recurse()) { do { // Note: will be reported as XPathNodeType.Text XPathNodeType nodeType = compiler.Input.NodeType; if ( nodeType != XPathNodeType.Whitespace && nodeType != XPathNodeType.Comment && nodeType != XPathNodeType.ProcessingInstruction ) { throw XsltException.Create(Res.Xslt_NotEmptyContents, elementName); } } while (compiler.Advance()); compiler.ToParent(); } } public void CheckRequiredAttribute(Compiler compiler, object attrValue, string attrName) { CheckRequiredAttribute(compiler, attrValue != null, attrName); } public void CheckRequiredAttribute(Compiler compiler, bool attr, string attrName) { if (! attr) { throw XsltException.Create(Res.Xslt_MissingAttribute, attrName); } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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