409 lines
12 KiB
C#
409 lines
12 KiB
C#
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//
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// XmlDictionaryWriter.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 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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#if NET_2_0
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using System;
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using System.IO;
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using System.Text;
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namespace System.Xml
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{
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public abstract partial class XmlDictionaryWriter : XmlWriter
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{
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static readonly Encoding utf8_unmarked = new UTF8Encoding (false);
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protected XmlDictionaryWriter ()
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{
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}
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internal int Depth { get; set; }
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internal int NSIndex { get; set; }
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public virtual bool CanCanonicalize {
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get { return false; }
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}
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public static XmlDictionaryWriter CreateBinaryWriter (
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Stream stream)
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{
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return CreateBinaryWriter (stream, null, null, false);
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}
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public static XmlDictionaryWriter CreateBinaryWriter (
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Stream stream, IXmlDictionary dictionary)
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{
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return CreateBinaryWriter (stream, dictionary, null, false);
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}
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public static XmlDictionaryWriter CreateBinaryWriter (
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Stream stream, IXmlDictionary dictionary,
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XmlBinaryWriterSession session)
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{
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return CreateBinaryWriter (stream, dictionary, session, false);
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}
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public static XmlDictionaryWriter CreateBinaryWriter (
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Stream stream, IXmlDictionary dictionary,
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XmlBinaryWriterSession session, bool ownsStream)
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{
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return new XmlBinaryDictionaryWriter (stream,
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dictionary, session, ownsStream);
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}
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public static XmlDictionaryWriter CreateDictionaryWriter (XmlWriter writer)
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{
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return new XmlSimpleDictionaryWriter (writer);
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}
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#if !NET_2_1
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public static XmlDictionaryWriter CreateMtomWriter (
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Stream stream, Encoding encoding, int maxSizeInBytes,
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string startInfo)
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{
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return CreateMtomWriter (stream, encoding,
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maxSizeInBytes, startInfo, Guid.NewGuid () + "id=1", "http://tempuri.org/0/" + DateTime.Now.Ticks, true, false);
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}
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public static XmlDictionaryWriter CreateMtomWriter (
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Stream stream, Encoding encoding, int maxSizeInBytes,
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string startInfo, string boundary, string startUri,
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bool writeMessageHeaders, bool ownsStream)
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{
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return new XmlMtomDictionaryWriter (stream, encoding, maxSizeInBytes, startInfo, boundary, startUri, writeMessageHeaders, ownsStream);
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}
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#endif
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public static XmlDictionaryWriter CreateTextWriter (
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Stream stream)
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{
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return CreateTextWriter (stream, Encoding.UTF8);
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}
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public static XmlDictionaryWriter CreateTextWriter (
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Stream stream, Encoding encoding)
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{
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return CreateTextWriter (stream, encoding, false);
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}
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// BTW looks like it creates an instance of different
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// implementation than those from XmlWriter.Create().
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public static XmlDictionaryWriter CreateTextWriter (
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Stream stream, Encoding encoding, bool ownsStream)
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{
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if (stream == null)
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throw new ArgumentNullException ("stream");
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if (encoding == null)
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throw new ArgumentNullException ("encoding");
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switch (encoding.CodePage) {
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case 1200:
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case 1201: // utf-16
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case 65001: // utf-8
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encoding = utf8_unmarked;
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break;
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default:
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throw new XmlException (String.Format ("XML declaration is required for encoding code page {0} but this XmlWriter does not support XML declaration.", encoding.CodePage));
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}
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XmlWriterSettings s = new XmlWriterSettings ();
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s.Encoding = encoding;
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s.CloseOutput = ownsStream;
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s.OmitXmlDeclaration = true;
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return CreateDictionaryWriter (XmlWriter.Create (stream, s));
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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 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 void WriteAttributeString (
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri,
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string value)
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{
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WriteAttributeString (null, localName, namespaceUri, value);
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}
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public void WriteAttributeString (string prefix,
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri,
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string value)
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{
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WriteStartAttribute (prefix, localName, namespaceUri);
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WriteString (value);
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WriteEndAttribute ();
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}
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public void WriteElementString (
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri,
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string value)
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{
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WriteElementString (null, localName, namespaceUri, value);
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}
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public void WriteElementString (string prefix,
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri,
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string value)
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{
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WriteStartElement (prefix, localName, namespaceUri);
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WriteString (value);
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WriteEndElement ();
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}
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public virtual void WriteNode (XmlDictionaryReader reader,
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bool defattr)
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{
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if (reader == null)
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throw new ArgumentNullException ("reader");
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switch (reader.NodeType) {
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case XmlNodeType.Element:
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// gratuitously copied from System.XML/System.Xml/XmlWriter.cs:WriteNode(XmlReader,bool)
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// as there doesn't seem to be a way to hook into attribute writing w/o handling Element.
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XmlDictionaryString ename, ens;
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if (reader.TryGetLocalNameAsDictionaryString (out ename) && reader.TryGetLocalNameAsDictionaryString (out ens))
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WriteStartElement (reader.Prefix, ename, ens);
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else
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WriteStartElement (reader.Prefix, reader.LocalName, reader.NamespaceURI);
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// Well, I found that MS.NET took this way, since
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// there was a error-prone SgmlReader that fails
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// MoveToNextAttribute().
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if (reader.HasAttributes) {
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for (int i = 0; i < reader.AttributeCount; i++) {
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reader.MoveToAttribute (i);
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WriteAttribute (reader, defattr);
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}
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reader.MoveToElement ();
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}
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if (reader.IsEmptyElement)
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WriteEndElement ();
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else {
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int depth = reader.Depth;
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reader.Read ();
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if (reader.NodeType != XmlNodeType.EndElement) {
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do {
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WriteNode (reader, defattr);
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} while (depth < reader.Depth);
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}
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WriteFullEndElement ();
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}
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reader.Read ();
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break;
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case XmlNodeType.Attribute:
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case XmlNodeType.Text:
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WriteTextNode (reader, defattr);
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break;
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default:
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base.WriteNode (reader, defattr);
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break;
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}
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}
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private void WriteAttribute (XmlDictionaryReader reader, bool defattr)
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{
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if (!defattr && reader.IsDefault)
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return;
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XmlDictionaryString name, ns;
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if (reader.TryGetLocalNameAsDictionaryString (out name) && reader.TryGetLocalNameAsDictionaryString (out ns))
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WriteStartAttribute (reader.Prefix, name, ns);
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else
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WriteStartAttribute (reader.Prefix, reader.LocalName, reader.NamespaceURI);
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#if NET_2_1
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// no ReadAttributeValue() in 2.1 profile.
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WriteTextNode (reader, true);
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#else
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while (reader.ReadAttributeValue ()) {
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switch (reader.NodeType) {
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case XmlNodeType.Text:
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WriteTextNode (reader, true);
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break;
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case XmlNodeType.EntityReference:
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WriteEntityRef (reader.Name);
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break;
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}
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}
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#endif
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WriteEndAttribute ();
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}
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public override void WriteNode (XmlReader reader, bool defattr)
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{
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if (reader == null)
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throw new ArgumentNullException ("reader");
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XmlDictionaryReader dr = reader as XmlDictionaryReader;
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if (dr != null)
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WriteNode (dr, defattr);
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else
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base.WriteNode (reader, defattr);
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}
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public virtual void WriteQualifiedName (
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri)
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{
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WriteQualifiedName (localName.Value, namespaceUri.Value);
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}
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public void WriteStartAttribute (
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri)
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{
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WriteStartAttribute (localName.Value, namespaceUri.Value);
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}
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public virtual void WriteStartAttribute (string prefix,
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri)
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{
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WriteStartAttribute (prefix, localName.Value, namespaceUri.Value);
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}
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public void WriteStartElement (
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XmlDictionaryString localName,
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XmlDictionaryString namespaceUri)
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{
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WriteStartElement (null, localName, namespaceUri);
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}
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public virtual void WriteStartElement (string prefix,
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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 ArgumentException ("localName must not be null.", "localName");
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WriteStartElement (prefix, localName.Value,
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namespaceUri != null ? namespaceUri.Value : null);
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}
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public virtual void WriteString (XmlDictionaryString value)
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{
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WriteString (value.Value);
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}
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protected virtual void WriteTextNode (XmlDictionaryReader reader, bool isAttribute)
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{
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WriteString (reader.Value);
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if (!isAttribute)
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reader.Read ();
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}
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public virtual void WriteValue (Guid guid)
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{
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WriteString (guid.ToString ());
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}
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public virtual void WriteValue (IStreamProvider value)
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{
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if (value == null)
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throw new ArgumentNullException ("value");
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Stream stream = value.GetStream ();
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byte[] buf = new byte [Math.Min (2048, stream.CanSeek ? stream.Length : 2048)];
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int read;
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while ((read = stream.Read (buf, 0, buf.Length)) > 0) {
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WriteBase64 (buf, 0, read);
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}
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value.ReleaseStream (stream);
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}
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public virtual void WriteValue (TimeSpan duration)
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{
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WriteString (XmlConvert.ToString (duration));
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}
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public virtual void WriteValue (UniqueId id)
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{
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if (id == null)
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throw new ArgumentNullException ("id");
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WriteString (id.ToString ());
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}
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public virtual void WriteValue (XmlDictionaryString value)
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{
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WriteValue (value.Value);
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}
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public virtual void WriteXmlAttribute (string localName, string value)
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{
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WriteAttributeString ("xml", localName, "http://www.w3.org/XML/1998/namespace", value);
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}
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public virtual void WriteXmlAttribute (XmlDictionaryString localName,
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XmlDictionaryString value)
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{
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WriteXmlAttribute (localName.Value, value.Value);
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}
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public virtual void WriteXmlnsAttribute (
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string prefix, string namespaceUri)
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{
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// BTW .NET 2.0 those XmlWriters from XmlWrite.Create()
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// rejects namespace overriding i.e.
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//
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// xw.WriteStartElement ("foo", "urn:foo");
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// xw.WriteXmlnsAttribute ("foo", "urn:bar");
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//
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// causes an XmlException. We need fix in sys.xml.dll
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// When the prefix is null, this writer must mock
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// a dummy namespace up. It is then up to the actual
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// writer how it is determined in the output. (When
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// there is a duplicate, then it will be further
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// modified.)
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if (prefix == null && String.IsNullOrEmpty (namespaceUri))
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prefix = String.Empty;
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else if (prefix == null)
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prefix = "d" + Depth + "p" + (++NSIndex);
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if (prefix == String.Empty)
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WriteAttributeString ("xmlns", namespaceUri);
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else
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WriteAttributeString ("xmlns", prefix, "http://www.w3.org/2000/xmlns/", namespaceUri);
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}
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public virtual void WriteXmlnsAttribute (string prefix,
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XmlDictionaryString namespaceUri)
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{
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WriteXmlnsAttribute (prefix, namespaceUri.Value);
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}
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}
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|
}
|
||
|
|
#endif
|