663 lines
19 KiB
C#
663 lines
19 KiB
C#
//
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// XmlDictionaryReader.cs
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//
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// Author:
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// Atsushi Enomoto <atsushi@ximian.com>
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//
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// Copyright (C) 2005, 2007 Novell, Inc. http://www.novell.com
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.IO;
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using System.Reflection;
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using System.Text;
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using System.Xml;
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namespace System.Xml
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{
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public abstract partial class XmlDictionaryReader : XmlReader
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{
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protected XmlDictionaryReader ()
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{
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}
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XmlDictionaryReaderQuotas quotas;
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public virtual bool CanCanonicalize {
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get { return false; }
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}
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public virtual XmlDictionaryReaderQuotas Quotas {
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get {
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if (quotas == null)
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quotas = new XmlDictionaryReaderQuotas ();
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return quotas;
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}
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}
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public virtual void EndCanonicalization ()
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{
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throw new NotSupportedException ();
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}
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public virtual string GetAttribute (
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri)
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{
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if (localName == null)
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throw new ArgumentNullException ("localName");
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if (namespaceUri == null)
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throw new ArgumentNullException ("namespaceUri");
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return GetAttribute (localName.Value, namespaceUri.Value);
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}
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public virtual int IndexOfLocalName (
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string [] localNames, string namespaceUri)
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{
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if (localNames == null)
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throw new ArgumentNullException ("localNames");
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if (namespaceUri == null)
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throw new ArgumentNullException ("namespaceUri");
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if (NamespaceURI != namespaceUri)
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return -1;
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for (int i = 0; i < localNames.Length; i++)
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if (localNames [i] == LocalName)
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return i;
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return -1;
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}
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public virtual int IndexOfLocalName (
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XmlDictionaryString [] localNames,
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XmlDictionaryString namespaceUri)
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{
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if (localNames == null)
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throw new ArgumentNullException ("localNames");
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if (namespaceUri == null)
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throw new ArgumentNullException ("namespaceUri");
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if (NamespaceURI != namespaceUri.Value)
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return -1;
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XmlDictionaryString localName;
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if (!TryGetLocalNameAsDictionaryString (out localName))
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return -1;
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IXmlDictionary dict = localName.Dictionary;
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XmlDictionaryString iter;
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for (int i = 0; i < localNames.Length; i++)
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if (dict.TryLookup (localNames [i], out iter) && object.ReferenceEquals (iter, localName))
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return i;
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return -1;
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}
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public virtual bool IsArray (out Type type)
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{
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type = null;
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return false;
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}
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public virtual bool IsLocalName (string localName)
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{
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return LocalName == localName;
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}
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public virtual bool IsLocalName (XmlDictionaryString localName)
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{
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if (localName == null)
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throw new ArgumentNullException ("localName");
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return LocalName == localName.Value;
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}
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public virtual bool IsNamespaceUri (string namespaceUri)
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{
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return NamespaceURI == namespaceUri;
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}
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public virtual bool IsNamespaceUri (XmlDictionaryString namespaceUri)
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{
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if (namespaceUri == null)
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throw new ArgumentNullException ("namespaceUri");
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return NamespaceURI == namespaceUri.Value;
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}
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public virtual bool IsStartArray (out Type type)
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{
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type = null;
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return false;
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}
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public virtual bool IsStartElement (
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri)
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{
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if (localName == null)
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throw new ArgumentNullException ("localName");
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if (namespaceUri == null)
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throw new ArgumentNullException ("namespaceUri");
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return IsStartElement (localName.Value, namespaceUri.Value);
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}
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protected bool IsTextNode (XmlNodeType nodeType)
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{
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switch (nodeType) {
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case XmlNodeType.Attribute: // wow, it isn't indeed.
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case XmlNodeType.Text:
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case XmlNodeType.CDATA:
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case XmlNodeType.Whitespace:
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case XmlNodeType.SignificantWhitespace:
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return true;
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default:
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return false;
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}
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}
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XmlException XmlError (string message)
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{
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IXmlLineInfo li = this as IXmlLineInfo;
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if (li == null || !li.HasLineInfo ())
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return new XmlException (message);
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else
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return new XmlException (String.Format ("{0} in {1} , at ({2},{3})", message, BaseURI, li.LineNumber, li.LinePosition));
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}
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public virtual void MoveToStartElement ()
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{
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MoveToContent ();
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if (NodeType != XmlNodeType.Element)
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throw XmlError (String.Format ("Element node is expected, but got {0} node.", NodeType));
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}
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public virtual void MoveToStartElement (string name)
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{
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if (name == null)
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throw new ArgumentNullException ("name");
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MoveToStartElement ();
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if (Name != name)
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throw XmlError (String.Format ("Element node '{0}' is expected, but got '{1}' element.", name, Name));
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}
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public virtual void MoveToStartElement (
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string localName, string namespaceUri)
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{
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if (localName == null)
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throw new ArgumentNullException ("localName");
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if (namespaceUri == null)
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throw new ArgumentNullException ("namespaceUri");
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MoveToStartElement ();
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if (LocalName != localName || NamespaceURI != namespaceUri)
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throw XmlError (String.Format ("Element node '{0}' in namespace '{1}' is expected, but got '{2}' in namespace '{3}' element.", localName, namespaceUri, LocalName, NamespaceURI));
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}
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public virtual void MoveToStartElement (
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri)
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{
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if (localName == null)
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throw new ArgumentNullException ("localName");
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if (namespaceUri == null)
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throw new ArgumentNullException ("namespaceUri");
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MoveToStartElement (localName.Value, namespaceUri.Value);
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}
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public virtual void StartCanonicalization (
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Stream stream, bool includeComments,
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string [] inclusivePrefixes)
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{
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throw new NotSupportedException ();
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}
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public virtual bool TryGetArrayLength (out int count)
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{
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count = -1;
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return false;
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}
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public virtual bool TryGetBase64ContentLength (out int count)
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{
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count = -1;
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return false;
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}
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public virtual bool TryGetLocalNameAsDictionaryString (
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out XmlDictionaryString localName)
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{
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localName = null;
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return false;
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}
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public virtual bool TryGetNamespaceUriAsDictionaryString (
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out XmlDictionaryString namespaceUri)
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{
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namespaceUri = null;
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return false;
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}
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#region Content Reader Methods
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public override object ReadContentAs (Type type, IXmlNamespaceResolver nsResolver)
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{
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return base.ReadContentAs (type, nsResolver);
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}
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public virtual byte [] ReadContentAsBase64 ()
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{
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int len;
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if (!TryGetBase64ContentLength (out len))
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return Convert.FromBase64String (ReadContentAsString ());
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byte [] bytes = new byte [len];
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ReadContentAsBase64 (bytes, 0, len);
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return bytes;
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}
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MethodInfo xmlconv_from_bin_hex = typeof (XmlConvert).GetMethod ("FromBinHexString", BindingFlags.Static | BindingFlags.NonPublic, null, new Type [] {typeof (string)}, null);
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byte [] FromBinHexString (string s)
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{
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return (byte []) xmlconv_from_bin_hex.Invoke (null, new object [] {s});
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}
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public virtual byte [] ReadContentAsBinHex ()
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{
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int len;
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if (!TryGetArrayLength (out len))
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return FromBinHexString (ReadContentAsString ());
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return ReadContentAsBinHex (len);
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}
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protected byte [] ReadContentAsBinHex (int maxByteArrayContentLength)
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{
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byte [] bytes = new byte [maxByteArrayContentLength];
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ReadContentAsBinHex (bytes, 0, maxByteArrayContentLength);
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return bytes;
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}
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[MonoTODO]
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public virtual int ReadContentAsChars (char [] chars, int offset, int count)
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{
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throw new NotImplementedException ();
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}
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public override decimal ReadContentAsDecimal ()
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{
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return base.ReadContentAsDecimal ();
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}
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public override float ReadContentAsFloat ()
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{
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return base.ReadContentAsFloat ();
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}
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public virtual Guid ReadContentAsGuid ()
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{
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return XmlConvert.ToGuid (ReadContentAsString ());
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}
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public virtual void ReadContentAsQualifiedName (out string localName, out string namespaceUri)
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{
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XmlQualifiedName qname = (XmlQualifiedName) ReadContentAs (typeof (XmlQualifiedName), this as IXmlNamespaceResolver);
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localName = qname.Name;
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namespaceUri = qname.Namespace;
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}
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public override string ReadContentAsString ()
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{
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return ReadContentAsString (Quotas.MaxStringContentLength);
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}
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[MonoTODO]
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protected string ReadContentAsString (int maxStringContentLength)
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{
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return base.ReadContentAsString ();
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}
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[MonoTODO ("there is exactly no information on the web")]
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public virtual string ReadContentAsString (string [] strings, out int index)
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{
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throw new NotImplementedException ();
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}
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[MonoTODO ("there is exactly no information on the web")]
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public virtual string ReadContentAsString (XmlDictionaryString [] strings, out int index)
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{
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throw new NotImplementedException ();
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}
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public virtual TimeSpan ReadContentAsTimeSpan ()
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{
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return XmlConvert.ToTimeSpan (ReadContentAsString ());
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}
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public virtual UniqueId ReadContentAsUniqueId ()
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{
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return new UniqueId (ReadContentAsString ());
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}
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public virtual byte [] ReadElementContentAsBase64 ()
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{
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ReadStartElement ();
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byte [] ret = ReadContentAsBase64 ();
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ReadEndElement ();
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return ret;
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}
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public virtual byte [] ReadElementContentAsBinHex ()
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{
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ReadStartElement ();
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byte [] ret = ReadContentAsBinHex ();
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ReadEndElement ();
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return ret;
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}
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public virtual Guid ReadElementContentAsGuid ()
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{
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ReadStartElement ();
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Guid ret = ReadContentAsGuid ();
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ReadEndElement ();
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return ret;
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}
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public virtual TimeSpan ReadElementContentAsTimeSpan ()
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{
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ReadStartElement ();
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TimeSpan ret = ReadContentAsTimeSpan ();
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ReadEndElement ();
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return ret;
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}
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public virtual UniqueId ReadElementContentAsUniqueId ()
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{
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ReadStartElement ();
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UniqueId ret = ReadContentAsUniqueId ();
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ReadEndElement ();
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return ret;
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}
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public override string ReadElementContentAsString ()
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{
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if (IsEmptyElement) {
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Read ();
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return String.Empty;
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} else {
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ReadStartElement ();
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string s;
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if (NodeType == XmlNodeType.EndElement)
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s = String.Empty;
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else
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s = ReadContentAsString ();
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ReadEndElement ();
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return s;
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}
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}
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public virtual void ReadFullStartElement ()
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{
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if (!IsStartElement ())
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throw new XmlException ("Current node is not a start element");
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ReadStartElement ();
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}
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public virtual void ReadFullStartElement (string name)
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{
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if (!IsStartElement (name))
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throw new XmlException (String.Format ("Current node is not a start element '{0}'", name));
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ReadStartElement (name);
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}
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public virtual void ReadFullStartElement (string localName, string namespaceUri)
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{
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if (!IsStartElement (localName, namespaceUri))
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throw new XmlException (String.Format ("Current node is not a start element '{0}' in namesapce '{1}'", localName, namespaceUri));
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ReadStartElement (localName, namespaceUri);
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}
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public virtual void ReadFullStartElement (XmlDictionaryString localName, XmlDictionaryString namespaceUri)
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{
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if (!IsStartElement (localName, namespaceUri))
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throw new XmlException (String.Format ("Current node is not a start element '{0}' in namesapce '{1}'", localName, namespaceUri));
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ReadStartElement (localName.Value, namespaceUri.Value);
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}
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public virtual void ReadStartElement (XmlDictionaryString localName, XmlDictionaryString namespaceUri)
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{
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if (localName == null)
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throw new ArgumentNullException ("localName");
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if (namespaceUri == null)
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throw new ArgumentNullException ("namespaceUri");
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ReadStartElement (localName.Value, namespaceUri.Value);
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}
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public override string ReadString ()
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{
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return ReadString (Quotas.MaxStringContentLength);
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}
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[MonoTODO]
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protected string ReadString (int maxStringContentLength)
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{
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return base.ReadString ();
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}
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public virtual int ReadValueAsBase64 (byte [] bytes, int start, int length)
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{
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throw new NotSupportedException (); // as it is documented ...
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}
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public virtual bool TryGetValueAsDictionaryString (out XmlDictionaryString value)
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{
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throw new NotSupportedException (); // as documented
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}
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#endregion
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#region Factory Methods
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public static XmlDictionaryReader CreateBinaryReader (
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byte [] buffer, XmlDictionaryReaderQuotas quotas)
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{
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return CreateBinaryReader (buffer, 0, buffer.Length, quotas);
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}
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public static XmlDictionaryReader CreateBinaryReader (
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byte [] buffer, int offset, int count,
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XmlDictionaryReaderQuotas quotas)
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{
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return CreateBinaryReader (buffer, offset, count, new XmlDictionary (), quotas);
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}
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public static XmlDictionaryReader CreateBinaryReader (
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byte [] buffer, int offset, int count,
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IXmlDictionary dictionary,
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XmlDictionaryReaderQuotas quotas)
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{
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return CreateBinaryReader (buffer, offset, count,
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dictionary, quotas,
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new XmlBinaryReaderSession (), null);
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}
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public static XmlDictionaryReader CreateBinaryReader (
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byte [] buffer, int offset, int count,
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IXmlDictionary dictionary,
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XmlDictionaryReaderQuotas quotas,
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XmlBinaryReaderSession session)
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{
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return CreateBinaryReader (buffer, offset, count,
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dictionary, quotas,
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session, null);
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}
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public static XmlDictionaryReader CreateBinaryReader (
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byte [] buffer, int offset, int count,
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IXmlDictionary dictionary,
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XmlDictionaryReaderQuotas quotas,
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XmlBinaryReaderSession session,
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OnXmlDictionaryReaderClose onClose)
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{
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return new XmlBinaryDictionaryReader (buffer,
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offset, count,
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dictionary, quotas, session, onClose);
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}
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public static XmlDictionaryReader CreateBinaryReader (
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Stream stream, XmlDictionaryReaderQuotas quotas)
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{
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return CreateBinaryReader (stream, new XmlDictionary (), quotas);
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}
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public static XmlDictionaryReader CreateBinaryReader (
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Stream stream, IXmlDictionary dictionary,
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XmlDictionaryReaderQuotas quotas)
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{
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return CreateBinaryReader (stream, dictionary, quotas,
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new XmlBinaryReaderSession (), null);
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}
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public static XmlDictionaryReader CreateBinaryReader (
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Stream stream, IXmlDictionary dictionary,
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XmlDictionaryReaderQuotas quotas,
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XmlBinaryReaderSession session)
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{
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return CreateBinaryReader (stream, dictionary, quotas,
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session, null);
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}
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public static XmlDictionaryReader CreateBinaryReader (
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Stream stream, IXmlDictionary dictionary,
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XmlDictionaryReaderQuotas quotas,
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XmlBinaryReaderSession session,
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OnXmlDictionaryReaderClose onClose)
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{
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return new XmlBinaryDictionaryReader (stream,
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dictionary, quotas, session, onClose);
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}
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public static XmlDictionaryReader CreateDictionaryReader (
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XmlReader reader)
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{
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return new XmlSimpleDictionaryReader (reader);
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}
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#if !NET_2_1
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public static XmlDictionaryReader CreateMtomReader (
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Stream stream, Encoding encoding,
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XmlDictionaryReaderQuotas quotas)
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{
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return new XmlMtomDictionaryReader (stream, encoding, quotas);
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}
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public static XmlDictionaryReader CreateMtomReader (
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Stream stream, Encoding [] encodings,
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XmlDictionaryReaderQuotas quotas)
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{
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return CreateMtomReader (stream, encodings, null, quotas);
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}
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public static XmlDictionaryReader CreateMtomReader (
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Stream stream, Encoding [] encodings, string contentType,
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XmlDictionaryReaderQuotas quotas)
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{
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return CreateMtomReader (stream, encodings, contentType, quotas, int.MaxValue, null);
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}
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public static XmlDictionaryReader CreateMtomReader (
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Stream stream, Encoding [] encodings, string contentType,
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XmlDictionaryReaderQuotas quotas,
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int maxBufferSize,
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OnXmlDictionaryReaderClose onClose)
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{
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return new XmlMtomDictionaryReader (stream, encodings, contentType, quotas, maxBufferSize, onClose);
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}
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public static XmlDictionaryReader CreateMtomReader (
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byte [] buffer, int offset, int count,
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Encoding encoding, XmlDictionaryReaderQuotas quotas)
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{
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return CreateMtomReader (new MemoryStream (buffer, offset, count), encoding, quotas);
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|
}
|
|
|
|
public static XmlDictionaryReader CreateMtomReader (
|
|
byte [] buffer, int offset, int count,
|
|
Encoding [] encodings, XmlDictionaryReaderQuotas quotas)
|
|
{
|
|
return CreateMtomReader (new MemoryStream (buffer, offset, count), encodings, quotas);
|
|
}
|
|
|
|
public static XmlDictionaryReader CreateMtomReader (
|
|
byte [] buffer, int offset, int count,
|
|
Encoding [] encodings, string contentType,
|
|
XmlDictionaryReaderQuotas quotas)
|
|
{
|
|
return CreateMtomReader (new MemoryStream (buffer, offset, count), encodings, contentType, quotas);
|
|
}
|
|
|
|
public static XmlDictionaryReader CreateMtomReader (
|
|
byte [] buffer, int offset, int count,
|
|
Encoding [] encodings, string contentType,
|
|
XmlDictionaryReaderQuotas quotas,
|
|
int maxBufferSize,
|
|
OnXmlDictionaryReaderClose onClose)
|
|
{
|
|
return CreateMtomReader (new MemoryStream (buffer, offset, count), encodings, contentType, quotas, maxBufferSize, onClose);
|
|
}
|
|
#endif
|
|
|
|
public static XmlDictionaryReader CreateTextReader (byte [] buffer, XmlDictionaryReaderQuotas quotas)
|
|
{
|
|
return CreateTextReader (buffer, 0, buffer.Length, quotas);
|
|
}
|
|
|
|
public static XmlDictionaryReader CreateTextReader (
|
|
byte [] buffer, int offset, int count,
|
|
XmlDictionaryReaderQuotas quotas)
|
|
{
|
|
return CreateTextReader (buffer, offset, count,
|
|
Encoding.UTF8, quotas, null);
|
|
}
|
|
|
|
public static XmlDictionaryReader CreateTextReader (
|
|
byte [] buffer, int offset, int count,
|
|
Encoding encoding,
|
|
XmlDictionaryReaderQuotas quotas,
|
|
OnXmlDictionaryReaderClose onClose)
|
|
{
|
|
return CreateTextReader (new MemoryStream (buffer, offset, count), encoding, quotas, onClose);
|
|
}
|
|
|
|
public static XmlDictionaryReader CreateTextReader (
|
|
Stream stream, XmlDictionaryReaderQuotas quotas)
|
|
{
|
|
return CreateTextReader (stream, Encoding.UTF8, quotas, null);
|
|
}
|
|
|
|
public static XmlDictionaryReader CreateTextReader (
|
|
Stream stream, Encoding encoding,
|
|
XmlDictionaryReaderQuotas quotas,
|
|
OnXmlDictionaryReaderClose onClose)
|
|
{
|
|
XmlReaderSettings s = new XmlReaderSettings ();
|
|
XmlNameTable nt = new NameTable ();
|
|
XmlParserContext c = new XmlParserContext (nt, new XmlNamespaceManager (nt), String.Empty, XmlSpace.None, encoding);
|
|
XmlDictionaryReader res = new XmlSimpleDictionaryReader (XmlReader.Create (stream, s, c), null, onClose);
|
|
res.quotas = quotas;
|
|
return res;
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|