2 // System.Xml.XmlDocument
5 // Daniel Weber (daniel-weber@austin.rr.com)
6 // Kral Ferch <kral_ferch@hotmail.com>
7 // Jason Diamond <jason@injektilo.org>
8 // Miguel de Icaza (miguel@ximian.com)
9 // Duncan Mak (duncan@ximian.com)
10 // Atsushi Enomoto (ginga@kit.hi-ho.ne.jp)
12 // (C) 2001 Daniel Weber
13 // (C) 2002 Kral Ferch, Jason Diamond, Miguel de Icaza, Duncan Mak,
15 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
17 // Permission is hereby granted, free of charge, to any person obtaining
18 // a copy of this software and associated documentation files (the
19 // "Software"), to deal in the Software without restriction, including
20 // without limitation the rights to use, copy, modify, merge, publish,
21 // distribute, sublicense, and/or sell copies of the Software, and to
22 // permit persons to whom the Software is furnished to do so, subject to
23 // the following conditions:
25 // The above copyright notice and this permission notice shall be
26 // included in all copies or substantial portions of the Software.
28 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
29 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
30 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
31 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
32 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
33 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
34 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
37 using System.Globalization;
39 using System.Security.Permissions;
41 using System.Xml.XPath;
42 using System.Diagnostics;
43 using System.Collections;
46 using System.Xml.Schema;
52 public class XmlDocument : XmlNode, IHasXmlChildNode
56 XmlNameTable nameTable;
57 string baseURI = String.Empty;
58 XmlImplementation implementation;
59 bool preserveWhitespace = false;
61 Hashtable idTable = new Hashtable ();
62 XmlNameEntryCache nameCache;
63 XmlLinkedNode lastLinkedChild;
66 IXmlSchemaInfo schemaInfo;
69 // MS.NET rejects undeclared entities _only_ during Load(),
70 // while ReadNode() never rejects such node. So it signs
71 // whether we are on Load() or not (MS.NET uses Loader class,
72 // but we don't have to implement Load() as such)
79 public XmlDocument () : this (null, null)
83 protected internal XmlDocument (XmlImplementation imp) : this (imp, null)
87 public XmlDocument (XmlNameTable nt) : this (null, nt)
91 XmlDocument (XmlImplementation impl, XmlNameTable nt) : base (null)
94 implementation = new XmlImplementation ();
96 implementation = impl;
98 nameTable = (nt != null) ? nt : implementation.InternalNameTable;
99 nameCache = new XmlNameEntryCache (nameTable);
100 AddDefaultNameTableKeys ();
101 resolver = new XmlUrlResolver ();
107 public event XmlNodeChangedEventHandler NodeChanged;
109 public event XmlNodeChangedEventHandler NodeChanging;
111 public event XmlNodeChangedEventHandler NodeInserted;
113 public event XmlNodeChangedEventHandler NodeInserting;
115 public event XmlNodeChangedEventHandler NodeRemoved;
117 public event XmlNodeChangedEventHandler NodeRemoving;
123 XmlLinkedNode IHasXmlChildNode.LastLinkedChild {
124 get { return lastLinkedChild; }
125 set { lastLinkedChild = value; }
128 public override string BaseURI {
134 public XmlElement DocumentElement {
136 XmlNode node = FirstChild;
138 while (node != null) {
139 if (node is XmlElement)
141 node = node.NextSibling;
144 return node != null ? node as XmlElement : null;
148 public virtual XmlDocumentType DocumentType {
150 for (XmlNode n = FirstChild; n != null; n = n.NextSibling) {
151 if (n.NodeType == XmlNodeType.DocumentType)
152 return (XmlDocumentType) n;
153 else if (n.NodeType == XmlNodeType.Element) // document element
161 public XmlImplementation Implementation {
162 get { return implementation; }
165 public override string InnerXml {
167 return base.InnerXml;
169 set { // reason for overriding
170 this.LoadXml (value);
174 public override bool IsReadOnly {
175 get { return false; }
178 internal bool IsStandalone {
180 return FirstChild != null &&
181 FirstChild.NodeType == XmlNodeType.XmlDeclaration &&
182 ((XmlDeclaration) this.FirstChild).Standalone == "yes";
186 public override string LocalName {
187 get { return "#document"; }
190 public override string Name {
191 get { return "#document"; }
194 internal XmlNameEntryCache NameCache {
195 get { return nameCache; }
198 public XmlNameTable NameTable {
199 get { return nameTable; }
202 public override XmlNodeType NodeType {
203 get { return XmlNodeType.Document; }
206 internal override XPathNodeType XPathNodeType {
208 return XPathNodeType.Root;
212 public override XmlDocument OwnerDocument {
216 public bool PreserveWhitespace {
217 get { return preserveWhitespace; }
218 set { preserveWhitespace = value; }
221 internal XmlResolver Resolver {
222 get { return resolver; }
225 internal override string XmlLang {
226 get { return String.Empty; }
229 public virtual XmlResolver XmlResolver {
230 set { resolver = value; }
233 internal override XmlSpace XmlSpace {
235 return XmlSpace.None;
239 internal Encoding TextEncoding {
241 XmlDeclaration dec = FirstChild as XmlDeclaration;
243 if (dec == null || dec.Encoding == "")
246 return Encoding.GetEncoding (dec.Encoding);
251 public override XmlNode ParentNode {
255 public XmlSchemaSet Schemas {
256 get { return schemas; }
257 set { schemas = value; }
260 public override IXmlSchemaInfo SchemaInfo {
261 get { return schemaInfo; }
262 internal set { schemaInfo = value; }
269 internal void AddIdenticalAttribute (XmlAttribute attr)
271 idTable [attr.Value] = attr;
274 public override XmlNode CloneNode (bool deep)
276 XmlDocument doc = implementation != null ? implementation.CreateDocument () : new XmlDocument ();
277 doc.baseURI = baseURI;
281 for (XmlNode n = FirstChild; n != null; n = n.NextSibling)
282 doc.AppendChild (doc.ImportNode (n, deep), false);
287 public XmlAttribute CreateAttribute (string name)
291 string namespaceURI = String.Empty;
293 ParseName (name, out prefix, out localName);
295 if (prefix == "xmlns" || (prefix == "" && localName == "xmlns"))
296 namespaceURI = XmlNamespaceManager.XmlnsXmlns;
297 else if (prefix == "xml")
298 namespaceURI = XmlNamespaceManager.XmlnsXml;
300 return CreateAttribute (prefix, localName, namespaceURI );
303 public XmlAttribute CreateAttribute (string qualifiedName, string namespaceURI)
308 ParseName (qualifiedName, out prefix, out localName);
310 return CreateAttribute (prefix, localName, namespaceURI);
313 public virtual XmlAttribute CreateAttribute (string prefix, string localName, string namespaceURI)
315 return CreateAttribute (prefix, localName, namespaceURI, false, true);
318 internal XmlAttribute CreateAttribute (string prefix, string localName, string namespaceURI, bool atomizedNames, bool checkNamespace)
320 if ((localName == null) || (localName == String.Empty))
321 throw new ArgumentException ("The attribute local name cannot be empty.");
323 return new XmlAttribute (prefix, localName, namespaceURI, this, atomizedNames, checkNamespace);
326 public virtual XmlCDataSection CreateCDataSection (string data)
328 return new XmlCDataSection (data, this);
331 public virtual XmlComment CreateComment (string data)
333 return new XmlComment (data, this);
336 protected internal virtual XmlAttribute CreateDefaultAttribute (string prefix, string localName, string namespaceURI)
338 XmlAttribute attr = CreateAttribute (prefix, localName, namespaceURI);
339 attr.isDefault = true;
343 public virtual XmlDocumentFragment CreateDocumentFragment ()
345 return new XmlDocumentFragment (this);
348 [PermissionSet (SecurityAction.InheritanceDemand, Unrestricted = true)]
349 public virtual XmlDocumentType CreateDocumentType (string name, string publicId,
350 string systemId, string internalSubset)
352 return new XmlDocumentType (name, publicId, systemId, internalSubset, this);
355 private XmlDocumentType CreateDocumentType (DTDObjectModel dtd)
357 return new XmlDocumentType (dtd, this);
360 public XmlElement CreateElement (string name)
362 return CreateElement (name, String.Empty);
365 public XmlElement CreateElement (
366 string qualifiedName,
372 ParseName (qualifiedName, out prefix, out localName);
374 return CreateElement (prefix, localName, namespaceURI);
377 public virtual XmlElement CreateElement (
382 if ((localName == null) || (localName == String.Empty))
383 throw new ArgumentException ("The local name for elements or attributes cannot be null or an empty string.");
384 // LAMESPEC: MS.NET has a weird behavior that they can Load() from XmlTextReader
385 // whose Namespaces = false, but their CreateElement() never allows qualified name.
386 // I leave it as it is.
387 return new XmlElement (prefix != null ? prefix : String.Empty, localName, namespaceURI != null ? namespaceURI : String.Empty, this, false);
390 public virtual XmlEntityReference CreateEntityReference (string name)
392 return new XmlEntityReference (name, this);
396 public override XPathNavigator CreateNavigator ()
398 return CreateNavigator (this);
402 protected internal virtual XPathNavigator CreateNavigator (XmlNode node)
405 return new XPathEditableDocument (node).CreateNavigator ();
407 return new XmlDocumentNavigator (node);
411 public virtual XmlNode CreateNode (
412 string nodeTypeString,
416 return CreateNode (GetNodeTypeFromString (nodeTypeString), name, namespaceURI);
419 public virtual XmlNode CreateNode (
424 string prefix = null;
425 string localName = name;
427 if ((type == XmlNodeType.Attribute) || (type == XmlNodeType.Element) || (type == XmlNodeType.EntityReference))
428 ParseName (name, out prefix, out localName);
430 return CreateNode (type, prefix, localName, namespaceURI);
433 public virtual XmlNode CreateNode (
440 case XmlNodeType.Attribute: return CreateAttribute (prefix, name, namespaceURI);
441 case XmlNodeType.CDATA: return CreateCDataSection (null);
442 case XmlNodeType.Comment: return CreateComment (null);
443 case XmlNodeType.Document: return new XmlDocument ();
444 case XmlNodeType.DocumentFragment: return CreateDocumentFragment ();
445 case XmlNodeType.DocumentType: return CreateDocumentType (null, null, null, null);
446 case XmlNodeType.Element: return CreateElement (prefix, name, namespaceURI);
447 case XmlNodeType.EntityReference: return CreateEntityReference (null);
448 case XmlNodeType.ProcessingInstruction: return CreateProcessingInstruction (null, null);
449 case XmlNodeType.SignificantWhitespace: return CreateSignificantWhitespace (String.Empty);
450 case XmlNodeType.Text: return CreateTextNode (null);
451 case XmlNodeType.Whitespace: return CreateWhitespace (String.Empty);
452 case XmlNodeType.XmlDeclaration: return CreateXmlDeclaration ("1.0", null, null);
455 throw new ArgumentException (
456 #else // makes less sense
457 throw new ArgumentOutOfRangeException (
459 String.Format("{0}\nParameter name: {1}",
460 "Specified argument was out of the range of valid values", type.ToString ()));
464 public virtual XmlProcessingInstruction CreateProcessingInstruction (
468 return new XmlProcessingInstruction (target, data, this);
471 public virtual XmlSignificantWhitespace CreateSignificantWhitespace (string text)
473 if (!XmlChar.IsWhitespace (text))
474 throw new ArgumentException ("Invalid whitespace characters.");
476 return new XmlSignificantWhitespace (text, this);
479 public virtual XmlText CreateTextNode (string text)
481 return new XmlText (text, this);
484 public virtual XmlWhitespace CreateWhitespace (string text)
486 if (!XmlChar.IsWhitespace (text))
487 throw new ArgumentException ("Invalid whitespace characters.");
489 return new XmlWhitespace (text, this);
492 public virtual XmlDeclaration CreateXmlDeclaration (string version, string encoding,
495 if (version != "1.0")
496 throw new ArgumentException ("version string is not correct.");
498 if ((standalone != null && standalone != String.Empty) && !((standalone == "yes") || (standalone == "no")))
499 throw new ArgumentException ("standalone string is not correct.");
501 return new XmlDeclaration (version, encoding, standalone, this);
504 // FIXME: Currently XmlAttributeCollection.SetNamedItem() does
505 // add to the identity table, but in fact I delayed identity
506 // check on GetIdenticalAttribute. To make such way complete,
507 // we have to use MultiMap, not Hashtable.
509 // Well, MS.NET is also fragile around here.
510 public virtual XmlElement GetElementById (string elementId)
512 XmlAttribute attr = GetIdenticalAttribute (elementId);
513 return attr != null ? attr.OwnerElement : null;
516 public virtual XmlNodeList GetElementsByTagName (string name)
518 ArrayList nodeArrayList = new ArrayList ();
519 this.SearchDescendantElements (name, name == "*", nodeArrayList);
520 return new XmlNodeArrayList (nodeArrayList);
523 public virtual XmlNodeList GetElementsByTagName (string localName, string namespaceURI)
525 ArrayList nodeArrayList = new ArrayList ();
526 this.SearchDescendantElements (localName, localName == "*", namespaceURI, namespaceURI == "*", nodeArrayList);
527 return new XmlNodeArrayList (nodeArrayList);
530 private XmlNodeType GetNodeTypeFromString (string nodeTypeString)
532 #if NET_2_0 // actually should be done in any version
533 if (nodeTypeString == null)
534 throw new ArgumentNullException ("nodeTypeString");
536 switch (nodeTypeString) {
537 case "attribute": return XmlNodeType.Attribute;
538 case "cdatasection": return XmlNodeType.CDATA;
539 case "comment": return XmlNodeType.Comment;
540 case "document": return XmlNodeType.Document;
541 case "documentfragment": return XmlNodeType.DocumentFragment;
542 case "documenttype": return XmlNodeType.DocumentType;
543 case "element": return XmlNodeType.Element;
544 case "entityreference": return XmlNodeType.EntityReference;
545 case "processinginstruction": return XmlNodeType.ProcessingInstruction;
546 case "significantwhitespace": return XmlNodeType.SignificantWhitespace;
547 case "text": return XmlNodeType.Text;
548 case "whitespace": return XmlNodeType.Whitespace;
550 throw new ArgumentException(String.Format("The string doesn't represent any node type : {0}.", nodeTypeString));
554 internal XmlAttribute GetIdenticalAttribute (string id)
556 XmlAttribute attr = this.idTable [id] as XmlAttribute;
559 if (attr.OwnerElement == null || !attr.OwnerElement.IsRooted) {
560 // idTable.Remove (id);
566 public virtual XmlNode ImportNode (XmlNode node, bool deep)
569 throw new NullReferenceException ("Null node cannot be imported.");
571 switch (node.NodeType) {
572 case XmlNodeType.Attribute:
573 XmlAttribute srcAtt = node as XmlAttribute;
574 XmlAttribute dstAtt = this.CreateAttribute (srcAtt.Prefix, srcAtt.LocalName, srcAtt.NamespaceURI);
575 for (XmlNode n = srcAtt.FirstChild; n != null; n = n.NextSibling)
576 dstAtt.AppendChild (this.ImportNode (n, deep));
579 case XmlNodeType.CDATA:
580 return this.CreateCDataSection (node.Value);
582 case XmlNodeType.Comment:
583 return this.CreateComment (node.Value);
585 case XmlNodeType.Document:
586 throw new XmlException ("Document cannot be imported.");
588 case XmlNodeType.DocumentFragment:
589 XmlDocumentFragment df = this.CreateDocumentFragment ();
591 for (XmlNode n = node.FirstChild; n != null; n = n.NextSibling)
592 df.AppendChild (this.ImportNode (n, deep));
595 case XmlNodeType.DocumentType:
596 throw new XmlException ("DocumentType cannot be imported.");
598 case XmlNodeType.Element:
599 XmlElement src = (XmlElement)node;
600 XmlElement dst = this.CreateElement (src.Prefix, src.LocalName, src.NamespaceURI);
601 for (int i = 0; i < src.Attributes.Count; i++) {
602 XmlAttribute attr = src.Attributes [i];
603 if(attr.Specified) // copies only specified attributes
604 dst.SetAttributeNode ((XmlAttribute) this.ImportNode (attr, deep));
607 for (XmlNode n = src.FirstChild; n != null; n = n.NextSibling)
608 dst.AppendChild (this.ImportNode (n, deep));
611 case XmlNodeType.EndElement:
612 throw new XmlException ("Illegal ImportNode call for NodeType.EndElement");
613 case XmlNodeType.EndEntity:
614 throw new XmlException ("Illegal ImportNode call for NodeType.EndEntity");
616 case XmlNodeType.EntityReference:
617 return this.CreateEntityReference (node.Name);
619 case XmlNodeType.None:
620 throw new XmlException ("Illegal ImportNode call for NodeType.None");
622 case XmlNodeType.ProcessingInstruction:
623 XmlProcessingInstruction pi = node as XmlProcessingInstruction;
624 return this.CreateProcessingInstruction (pi.Target, pi.Data);
626 case XmlNodeType.SignificantWhitespace:
627 return this.CreateSignificantWhitespace (node.Value);
629 case XmlNodeType.Text:
630 return this.CreateTextNode (node.Value);
632 case XmlNodeType.Whitespace:
633 return this.CreateWhitespace (node.Value);
635 case XmlNodeType.XmlDeclaration:
636 XmlDeclaration srcDecl = node as XmlDeclaration;
637 return this.CreateXmlDeclaration (srcDecl.Version, srcDecl.Encoding, srcDecl.Standalone);
640 throw new InvalidOperationException ("Cannot import specified node type: " + node.NodeType);
644 public virtual void Load (Stream inStream)
646 XmlTextReader reader = new XmlTextReader (inStream, NameTable);
647 reader.XmlResolver = resolver;
648 XmlValidatingReader vr = new XmlValidatingReader (reader);
649 vr.EntityHandling = EntityHandling.ExpandCharEntities;
650 vr.ValidationType = ValidationType.None;
654 public virtual void Load (string filename)
656 XmlTextReader xr = null;
658 xr = new XmlTextReader (filename, NameTable);
659 xr.XmlResolver = resolver;
660 XmlValidatingReader vr = new XmlValidatingReader (xr);
661 vr.EntityHandling = EntityHandling.ExpandCharEntities;
662 vr.ValidationType = ValidationType.None;
670 public virtual void Load (TextReader txtReader)
672 XmlTextReader xr = new XmlTextReader (txtReader, NameTable);
673 XmlValidatingReader vr = new XmlValidatingReader (xr);
674 vr.EntityHandling = EntityHandling.ExpandCharEntities;
675 vr.ValidationType = ValidationType.None;
676 xr.XmlResolver = resolver;
680 public virtual void Load (XmlReader xmlReader)
682 // Reset our document
683 // For now this just means removing all our children but later this
684 // may turn out o need to call a private method that resets other things
685 // like properties we have, etc.
688 this.baseURI = xmlReader.BaseURI;
689 // create all contents with use of ReadNode()
693 XmlNode n = ReadNode (xmlReader);
696 if (preserveWhitespace || n.NodeType != XmlNodeType.Whitespace)
697 AppendChild (n, false);
700 if (xmlReader.Settings != null)
701 schemas = xmlReader.Settings.Schemas;
708 public virtual void LoadXml (string xml)
710 XmlTextReader xmlReader = new XmlTextReader (
712 XmlNodeType.Document,
713 new XmlParserContext (NameTable, null, null, XmlSpace.None));
715 xmlReader.XmlResolver = resolver;
722 internal void onNodeChanged (XmlNode node, XmlNode parent, string oldValue, string newValue)
724 if (NodeChanged != null)
725 NodeChanged (node, new XmlNodeChangedEventArgs
726 (node, parent, parent, oldValue, newValue, XmlNodeChangedAction.Change));
729 internal void onNodeChanging(XmlNode node, XmlNode parent, string oldValue, string newValue)
732 throw new ArgumentException ("Node is read-only.");
733 if (NodeChanging != null)
734 NodeChanging (node, new XmlNodeChangedEventArgs
735 (node, parent, parent, oldValue, newValue, XmlNodeChangedAction.Change));
738 internal void onNodeInserted (XmlNode node, XmlNode newParent)
740 if (NodeInserted != null)
741 NodeInserted (node, new XmlNodeChangedEventArgs
742 (node, null, newParent, null, null, XmlNodeChangedAction.Insert));
745 internal void onNodeInserting (XmlNode node, XmlNode newParent)
747 if (NodeInserting != null)
748 NodeInserting (node, new XmlNodeChangedEventArgs
749 (node, null, newParent, null, null, XmlNodeChangedAction.Insert));
752 internal void onNodeRemoved (XmlNode node, XmlNode oldParent)
754 if (NodeRemoved != null)
755 NodeRemoved (node, new XmlNodeChangedEventArgs
756 (node, oldParent, null, null, null, XmlNodeChangedAction.Remove));
759 internal void onNodeRemoving (XmlNode node, XmlNode oldParent)
761 if (NodeRemoving != null)
762 NodeRemoving (node, new XmlNodeChangedEventArgs
763 (node, oldParent, null, null, null, XmlNodeChangedAction.Remove));
766 private void ParseName (string name, out string prefix, out string localName)
768 int indexOfColon = name.IndexOf (':');
770 if (indexOfColon != -1) {
771 prefix = name.Substring (0, indexOfColon);
772 localName = name.Substring (indexOfColon + 1);
779 // Reads XmlReader and creates Attribute Node.
780 private XmlAttribute ReadAttributeNode (XmlReader reader)
782 if (reader.NodeType == XmlNodeType.Element)
783 reader.MoveToFirstAttribute ();
784 else if (reader.NodeType != XmlNodeType.Attribute)
785 throw new InvalidOperationException (MakeReaderErrorMessage ("bad position to read attribute.", reader));
786 XmlAttribute attribute = CreateAttribute (reader.Prefix, reader.LocalName, reader.NamespaceURI);
788 if (reader.SchemaInfo != null)
789 SchemaInfo = new XmlSchemaInfo (reader.SchemaInfo);
791 bool isDefault = reader.IsDefault;
793 ReadAttributeNodeValue (reader, attribute);
796 attribute.SetDefault ();
801 // Reads attribute from XmlReader and then creates attribute value children. XmlAttribute also uses this.
802 internal void ReadAttributeNodeValue (XmlReader reader, XmlAttribute attribute)
804 while (reader.ReadAttributeValue ()) {
805 if (reader.NodeType == XmlNodeType.EntityReference)
806 attribute.AppendChild (CreateEntityReference (reader.Name), false); // omit node type check
808 // Children of Attribute is restricted to CharacterData and EntityReference (Comment is not allowed).
809 attribute.AppendChild (CreateTextNode (reader.Value), false); // omit node type check
813 [PermissionSet (SecurityAction.InheritanceDemand, Unrestricted = true)]
814 public virtual XmlNode ReadNode (XmlReader reader)
816 if (PreserveWhitespace)
817 return ReadNodeCore (reader);
818 XmlTextReader xtr = reader as XmlTextReader;
819 if (xtr != null && xtr.WhitespaceHandling ==
820 WhitespaceHandling.All) {
822 xtr.WhitespaceHandling = WhitespaceHandling.Significant;
823 return ReadNodeCore (reader);
825 xtr.WhitespaceHandling = WhitespaceHandling.All;
829 return ReadNodeCore (reader);
832 XmlNode ReadNodeCore (XmlReader reader)
834 switch (reader.ReadState) {
835 case ReadState.Interactive:
837 case ReadState.Initial:
839 if (reader.SchemaInfo != null)
840 this.SchemaInfo = new XmlSchemaInfo (reader.SchemaInfo);
849 switch (reader.NodeType) {
851 case XmlNodeType.Attribute:
852 string localName = reader.LocalName;
853 string ns = reader.NamespaceURI;
854 n = ReadAttributeNode (reader);
855 // Keep the current reader position on attribute.
856 reader.MoveToAttribute (localName, ns);
859 case XmlNodeType.CDATA:
860 n = CreateCDataSection (reader.Value);
863 case XmlNodeType.Comment:
864 n = CreateComment (reader.Value);
867 case XmlNodeType.Element:
868 XmlElement element = CreateElement (reader.Prefix, reader.LocalName, reader.NamespaceURI);
870 if (reader.SchemaInfo != null)
871 SchemaInfo = new XmlSchemaInfo (reader.SchemaInfo);
873 element.IsEmpty = reader.IsEmptyElement;
875 // set the element's attributes.
876 for (int i = 0; i < reader.AttributeCount; i++) {
877 reader.MoveToAttribute (i);
878 element.SetAttributeNode (
879 ReadAttributeNode (reader));
880 reader.MoveToElement ();
882 // FIXME: the code below should be fine and
883 // in some XmlReaders it is much faster, but
884 // caused some breakage in sys.data test.
886 if (reader.MoveToFirstAttribute ()) {
888 element.SetAttributeNode (ReadAttributeNode (reader));
889 } while (reader.MoveToNextAttribute ());
890 reader.MoveToElement ();
893 reader.MoveToElement ();
895 int depth = reader.Depth;
897 if (reader.IsEmptyElement) {
903 while (reader.Depth > depth) {
904 n = ReadNodeCore (reader);
905 if (preserveWhitespace || n.NodeType != XmlNodeType.Whitespace)
906 element.AppendChild (n, false);
911 case XmlNodeType.ProcessingInstruction:
912 n = CreateProcessingInstruction (reader.Name, reader.Value);
915 case XmlNodeType.Text:
916 n = CreateTextNode (reader.Value);
919 case XmlNodeType.XmlDeclaration:
920 n = CreateXmlDeclaration ("1.0" , String.Empty, String.Empty);
921 n.Value = reader.Value;
924 case XmlNodeType.DocumentType:
925 DTDObjectModel dtd = null;
926 IHasXmlParserContext ctxReader = reader as IHasXmlParserContext;
927 if (ctxReader != null)
928 dtd = ctxReader.ParserContext.Dtd;
931 n = CreateDocumentType (dtd);
933 n = CreateDocumentType (reader.Name, reader ["PUBLIC"], reader ["SYSTEM"], reader.Value);
936 case XmlNodeType.EntityReference:
937 if (this.loadMode && this.DocumentType != null &&
938 DocumentType.Entities.GetNamedItem (reader.Name) == null)
939 throw new XmlException ("Reference to undeclared entity was found.");
941 n = CreateEntityReference (reader.Name);
942 // IF argument XmlReader can resolve entity,
943 // ReadNode() also fills children _from it_.
944 // In this case, it is not from doctype node.
945 // (it is kind of sucky design, but it happens
946 // anyways when we modify doctype node).
948 // It does not happen when !CanResolveEntity.
949 // (In such case AppendChild() will resolve
950 // entity content, as XmlEntityReference does.)
951 if (reader.CanResolveEntity)
953 reader.ResolveEntity ();
955 for (XmlNode child; reader.NodeType != XmlNodeType.EndEntity && (child = ReadNode (reader)) != null;)
956 n.InsertBefore (child, null, false, false);
960 case XmlNodeType.SignificantWhitespace:
961 n = CreateSignificantWhitespace (reader.Value);
964 case XmlNodeType.Whitespace:
965 n = CreateWhitespace (reader.Value);
968 case XmlNodeType.None:
972 // No idea why MS does throw NullReferenceException ;-P
973 throw new NullReferenceException ("Unexpected node type " + reader.NodeType + ".");
980 private string MakeReaderErrorMessage (string message, XmlReader reader)
982 IXmlLineInfo li = reader as IXmlLineInfo;
984 return String.Format (CultureInfo.InvariantCulture, "{0} Line number = {1}, Inline position = {2}.", message, li.LineNumber, li.LinePosition);
989 internal void RemoveIdenticalAttribute (string id)
994 public virtual void Save (Stream outStream)
996 XmlTextWriter xmlWriter = new XmlTextWriter (outStream, TextEncoding);
997 if (!PreserveWhitespace)
998 xmlWriter.Formatting = Formatting.Indented;
999 WriteContentTo (xmlWriter);
1003 public virtual void Save (string filename)
1005 XmlTextWriter xmlWriter = new XmlTextWriter (filename, TextEncoding);
1007 if (!PreserveWhitespace)
1008 xmlWriter.Formatting = Formatting.Indented;
1009 WriteContentTo (xmlWriter);
1015 public virtual void Save (TextWriter writer)
1017 XmlTextWriter xmlWriter = new XmlTextWriter (writer);
1018 if (!PreserveWhitespace)
1019 xmlWriter.Formatting = Formatting.Indented;
1020 if (FirstChild != null && FirstChild.NodeType != XmlNodeType.XmlDeclaration)
1021 xmlWriter.WriteStartDocument ();
1022 WriteContentTo (xmlWriter);
1023 xmlWriter.WriteEndDocument ();
1027 public virtual void Save (XmlWriter xmlWriter)
1030 // This should preserve white space if PreserveWhiteSpace is true
1032 bool autoXmlDecl = FirstChild != null && FirstChild.NodeType != XmlNodeType.XmlDeclaration;
1034 xmlWriter.WriteStartDocument ();
1035 WriteContentTo (xmlWriter);
1037 xmlWriter.WriteEndDocument ();
1041 public override void WriteContentTo (XmlWriter w)
1043 for (XmlNode n = FirstChild; n != null; n = n.NextSibling)
1047 public override void WriteTo (XmlWriter w)
1052 private void AddDefaultNameTableKeys ()
1054 // The following keys are default of MS .NET Framework
1055 nameTable.Add ("#text");
1056 nameTable.Add ("xml");
1057 nameTable.Add ("xmlns");
1058 nameTable.Add ("#entity");
1059 nameTable.Add ("#document-fragment");
1060 nameTable.Add ("#comment");
1061 nameTable.Add ("space");
1062 nameTable.Add ("id");
1063 nameTable.Add ("#whitespace");
1064 nameTable.Add ("http://www.w3.org/2000/xmlns/");
1065 nameTable.Add ("#cdata-section");
1066 nameTable.Add ("lang");
1067 nameTable.Add ("#document");
1068 nameTable.Add ("#significant-whitespace");
1071 internal void CheckIdTableUpdate (XmlAttribute attr, string oldValue, string newValue)
1073 if (idTable [oldValue] == attr) {
1074 idTable.Remove (oldValue);
1075 idTable [newValue] = attr;
1080 public void Validate (ValidationEventHandler handler)
1082 Validate (handler, this,
1083 XmlSchemaValidationFlags.ProcessIdentityConstraints);
1086 public void Validate (ValidationEventHandler handler,
1089 Validate (handler, node,
1090 XmlSchemaValidationFlags.ProcessIdentityConstraints);
1093 private void Validate (ValidationEventHandler handler,
1094 XmlNode node, XmlSchemaValidationFlags flags)
1096 XmlReaderSettings settings = new XmlReaderSettings ();
1097 settings.NameTable = NameTable;
1098 settings.Schemas = schemas;
1099 settings.Schemas.XmlResolver = resolver;
1100 settings.XmlResolver = resolver;
1101 settings.ValidationFlags = flags;
1102 settings.ValidationType = ValidationType.Schema;
1103 XmlReader r = XmlReader.Create (
1104 new XmlNodeReader (node), settings);