2002-07-26 Tim Coleman <tim@timcoleman.com>
[mono.git] / mcs / class / System.XML / System.Xml / XmlNode.cs
index 88bddc770e8f3f7c8ebf56b80670155d341b2451..59a5c752aa4603cd041fbcf18c3f72828668a836 100644 (file)
@@ -9,6 +9,8 @@
 
 using System;
 using System.Collections;
+using System.IO;
+using System.Text;
 using System.Xml.XPath;
 
 namespace System.Xml
@@ -24,7 +26,7 @@ namespace System.Xml
 
                #region Constructors
 
-               protected internal XmlNode(XmlDocument ownerDocument)
+               internal XmlNode (XmlDocument ownerDocument)
                {
                        this.ownerDocument = ownerDocument;
                }
@@ -38,15 +40,14 @@ namespace System.Xml
                        get { return null; }
                }
 
-               [MonoTODO]
                public virtual string BaseURI
                {
-                       get { throw new NotImplementedException (); }
+                       get { return ParentNode.BaseURI; }
                }
 
                public virtual XmlNodeList ChildNodes {
                        get {
-                               return new XmlNodeListChildren(LastLinkedChild);
+                               return new XmlNodeListChildren(this);
                        }
                }
 
@@ -67,19 +68,42 @@ namespace System.Xml
 
                [MonoTODO]
                public virtual string InnerText {
-                       get { throw new NotImplementedException (); }
+                       get {
+                               StringBuilder builder = new StringBuilder ();
+                               AppendChildValues (this, builder);
+                               return builder.ToString ();
+                       }
+
                        set { throw new NotImplementedException (); }
                }
 
-               [MonoTODO]
+               private void AppendChildValues(XmlNode parent, StringBuilder builder)
+               {
+                       XmlNode node = parent.FirstChild;
+
+                       while (node != null) {
+                               builder.Append (node.Value);
+                               AppendChildValues (node, builder);
+                               node = node.NextSibling;
+                       }
+               }
+
+               [MonoTODO("Setter.")]
                public virtual string InnerXml {
-                       get { throw new NotImplementedException (); }
+                       get {
+                               StringWriter sw = new StringWriter ();
+                               XmlTextWriter xtw = new XmlTextWriter (sw);
+
+                               WriteContentTo(xtw);
+
+                               return sw.GetStringBuilder().ToString();
+                       }
+
                        set { throw new NotImplementedException (); }
                }
 
-               [MonoTODO]
                public virtual bool IsReadOnly {
-                       get { throw new NotImplementedException (); }
+                       get { return false; }
                }
 
                [System.Runtime.CompilerServices.IndexerName("Item")]
@@ -120,27 +144,29 @@ namespace System.Xml
                        set { }
                }
 
-               [MonoTODO]
                public abstract string LocalName { get; }
 
-               [MonoTODO]
                public abstract string Name     { get; }
 
-               [MonoTODO]
                public virtual string NamespaceURI {
-                       get { throw new NotImplementedException (); }
+                       get { return String.Empty; }
                }
 
                public virtual XmlNode NextSibling {
                        get { return null; }
                }
 
-               [MonoTODO]
                public abstract XmlNodeType NodeType { get;     }
 
-               [MonoTODO]
                public virtual string OuterXml {
-                       get { throw new NotImplementedException (); }
+                       get {
+                               StringWriter sw = new StringWriter ();
+                               XmlTextWriter xtw = new XmlTextWriter (sw);
+
+                               WriteTo(xtw);
+
+                               return sw.GetStringBuilder().ToString();
+                       }
                }
 
                public virtual XmlDocument OwnerDocument {
@@ -151,20 +177,18 @@ namespace System.Xml
                        get { return parentNode; }
                }
 
-               [MonoTODO]
                public virtual string Prefix {
-                       get { throw new NotImplementedException (); }
-                       set { throw new NotImplementedException (); }
+                       get { return String.Empty; }
+                       set {}
                }
 
                public virtual XmlNode PreviousSibling {
                        get { return null; }
                }
 
-               [MonoTODO]
                public virtual string Value {
-                       get { throw new NotImplementedException (); }
-                       set { throw new NotImplementedException (); }
+                       get { return null; }
+                       set { throw new InvalidOperationException ("This node does not have a value"); }
                }
 
                #endregion
@@ -173,15 +197,22 @@ namespace System.Xml
 
                public virtual XmlNode AppendChild (XmlNode newChild)
                {
-                       if (NodeType == XmlNodeType.Document || NodeType == XmlNodeType.Element || NodeType == XmlNodeType.Attribute) {
-                               XmlLinkedNode newLinkedChild = (XmlLinkedNode)newChild;
+                       if (NodeType == XmlNodeType.Document
+                           || NodeType == XmlNodeType.Element
+                           || NodeType == XmlNodeType.Attribute) {
+                               XmlLinkedNode newLinkedChild = (XmlLinkedNode) newChild;
                                XmlLinkedNode lastLinkedChild = LastLinkedChild;
+
+                               newLinkedChild.parentNode = this;
+                               
                                if (lastLinkedChild != null) {
                                        newLinkedChild.NextLinkedSibling = lastLinkedChild.NextLinkedSibling;
                                        lastLinkedChild.NextLinkedSibling = newLinkedChild;
                                } else
                                        newLinkedChild.NextLinkedSibling = newLinkedChild;
+                               
                                LastLinkedChild = newLinkedChild;
+
                                return newChild;
                        } else
                                throw new InvalidOperationException();
@@ -196,15 +227,14 @@ namespace System.Xml
                public abstract XmlNode CloneNode (bool deep);
 
                [MonoTODO]
-               public XPathNavigator CreateNavigator ()
+               public virtual XPathNavigator CreateNavigator ()
                {
-                       throw new NotImplementedException ();
+                       return new XmlDocumentNavigator(this);
                }
 
-               [MonoTODO]
                public IEnumerator GetEnumerator ()
                {
-                       throw new NotImplementedException ();
+                       return new XmlNodeListChildren(this).GetEnumerator();
                }
 
                [MonoTODO]
@@ -258,10 +288,33 @@ namespace System.Xml
                        LastLinkedChild = null;
                }
 
-               [MonoTODO]
                public virtual XmlNode RemoveChild (XmlNode oldChild)
                {
-                       throw new NotImplementedException ();
+                       if (NodeType == XmlNodeType.Document || NodeType == XmlNodeType.Element || NodeType == XmlNodeType.Attribute) 
+                       {
+                               if (IsReadOnly)
+                                       throw new ArgumentException();
+
+                               if (Object.ReferenceEquals(LastLinkedChild, LastLinkedChild.NextLinkedSibling) && Object.ReferenceEquals(LastLinkedChild, oldChild))
+                                       LastLinkedChild = null;
+                               else {
+                                       XmlLinkedNode oldLinkedChild = (XmlLinkedNode)oldChild;
+                                       XmlLinkedNode beforeLinkedChild = LastLinkedChild;
+                                       
+                                       while (!Object.ReferenceEquals(beforeLinkedChild.NextLinkedSibling, LastLinkedChild) && !Object.ReferenceEquals(beforeLinkedChild.NextLinkedSibling, oldLinkedChild))
+                                               beforeLinkedChild = beforeLinkedChild.NextLinkedSibling;
+
+                                       if (!Object.ReferenceEquals(beforeLinkedChild.NextLinkedSibling, oldLinkedChild))
+                                               throw new ArgumentException();
+
+                                       beforeLinkedChild.NextLinkedSibling = oldLinkedChild.NextLinkedSibling;
+                                       oldLinkedChild.NextLinkedSibling = null;
+                                }
+
+                               return oldChild;
+                       } 
+                       else
+                               throw new ArgumentException();
                }
 
                [MonoTODO]
@@ -270,28 +323,43 @@ namespace System.Xml
                        throw new NotImplementedException ();
                }
 
-               [MonoTODO]
-               public virtual XmlNodeList SelectNodes (string xpath)
+               public XmlNodeList SelectNodes (string xpath)
                {
-                       throw new NotImplementedException ();
+                       return SelectNodes (xpath, null);
                }
 
                [MonoTODO]
-               public virtual XmlNodeList SelectNodes (string xpath, XmlNamespaceManager nsmgr)
+               public XmlNodeList SelectNodes (string xpath, XmlNamespaceManager nsmgr)
                {
-                       throw new NotImplementedException ();
+                       XPathNavigator nav = CreateNavigator ();
+                       XPathExpression expr = nav.Compile (xpath);
+                       if (nsmgr != null)
+                               expr.SetContext (nsmgr);
+                       XPathNodeIterator iter = nav.Select (expr);
+                       ArrayList rgNodes = new ArrayList ();
+                       while (iter.MoveNext ())
+                       {
+                               rgNodes.Add (((XmlDocumentNavigator) iter.Current).Node);
+                       }
+                       return new XmlNodeArrayList (rgNodes);
                }
 
-               [MonoTODO]
-               public virtual XmlNode SelectSingleNode (string xpath)
+               public XmlNode SelectSingleNode (string xpath)
                {
-                       throw new NotImplementedException ();
+                       return SelectSingleNode (xpath, null);
                }
 
                [MonoTODO]
-               public virtual XmlNode SelectSingleNode (string xpath, XmlNamespaceManager nsmgr)
+               public XmlNode SelectSingleNode (string xpath, XmlNamespaceManager nsmgr)
                {
-                       throw new NotImplementedException ();
+                       XPathNavigator nav = CreateNavigator ();
+                       XPathExpression expr = nav.Compile (xpath);
+                       if (nsmgr != null)
+                               expr.SetContext (nsmgr);
+                       XPathNodeIterator iter = nav.Select (expr);
+                       if (!iter.MoveNext ())
+                               return null;
+                       return ((XmlDocumentNavigator) iter.Current).Node;
                }
 
                internal void SetParentNode (XmlNode parent)
@@ -305,10 +373,8 @@ namespace System.Xml
                        throw new NotImplementedException ();
                }
 
-               [MonoTODO]
                public abstract void WriteContentTo (XmlWriter w);
 
-               [MonoTODO]
                public abstract void WriteTo (XmlWriter w);
 
                #endregion