RuntimeUtils.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Services / Web / System / Web / Services / Protocols / RuntimeUtils.cs / 1305376 / RuntimeUtils.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.Services.Protocols { 
    using System.Web.Services; 
    using System.Xml;
    using System.Xml.Schema; 
    using System.Xml.Serialization;
    using System;
    using System.Text;
    using System.IO; 
    using System.ComponentModel;
    using System.Globalization; 
    using System.Web.Services.Diagnostics; 

    internal class RuntimeUtils { 
        private RuntimeUtils() { }

        internal static XmlDeserializationEvents GetDeserializationEvents() {
            XmlDeserializationEvents events = new XmlDeserializationEvents(); 
            events.OnUnknownElement = new XmlElementEventHandler(OnUnknownElement);
            events.OnUnknownAttribute = new XmlAttributeEventHandler(OnUnknownAttribute); 
            return events; 
        }
 
        static void OnUnknownAttribute(object sender, XmlAttributeEventArgs e) {
            if (e.Attr == null)
                return;
            // ignore attributes from known namepsaces 
            if (IsKnownNamespace(e.Attr.NamespaceURI))
                return; 
            Tracing.OnUnknownAttribute(sender, e); 
            if (e.ExpectedAttributes == null)
                throw new InvalidOperationException(Res.GetString(Res.WebUnknownAttribute, e.Attr.Name, e.Attr.Value)); 
            else if (e.ExpectedAttributes.Length == 0)
                throw new InvalidOperationException(Res.GetString(Res.WebUnknownAttribute2, e.Attr.Name, e.Attr.Value));
            else
                throw new InvalidOperationException(Res.GetString(Res.WebUnknownAttribute3, e.Attr.Name, e.Attr.Value, e.ExpectedAttributes)); 
        }
 
        internal static string ElementString(XmlElement element) { 
            StringWriter xml = new StringWriter(CultureInfo.InvariantCulture);
            xml.Write("<"); 
            xml.Write(element.Name);
            if (element.NamespaceURI != null && element.NamespaceURI.Length > 0) {
                xml.Write(" xmlns");
                if (element.Prefix != null && element.Prefix.Length > 0) { 
                    xml.Write(":");
                    xml.Write(element.Prefix); 
                } 
                xml.Write("='");
                xml.Write(element.NamespaceURI); 
                xml.Write("'");
            }
            xml.Write(">..");
 
            return xml.ToString(); 
        }
 
        internal static void OnUnknownElement(object sender, XmlElementEventArgs e) {
            if (e.Element == null)
                return;
            string xml = RuntimeUtils.ElementString(e.Element); 
            Tracing.OnUnknownElement(sender, e);
            if (e.ExpectedElements == null) 
                throw new InvalidOperationException(Res.GetString(Res.WebUnknownElement, xml)); 
            else if (e.ExpectedElements.Length == 0)
                throw new InvalidOperationException(Res.GetString(Res.WebUnknownElement1, xml)); 
            else
                throw new InvalidOperationException(Res.GetString(Res.WebUnknownElement2, xml, e.ExpectedElements));
        }
 
        internal static bool IsKnownNamespace(string ns) {
            if (ns == XmlSchema.InstanceNamespace) 
                return true; 
            if (ns == Soap.XmlNamespace)
                return true; 
            if (ns == Soap.Encoding || ns == Soap.Namespace)
                return true;
            if (ns == Soap12.Namespace || ns == Soap12.Encoding || ns == Soap12.RpcNamespace)
                return true; 
            return false;
        } 
    } 
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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