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