Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Xml/System/Xml/Dom/XmlProcessingInstruction.cs

@@ -0,0 +1,97 @@
+//------------------------------------------------------------------------------
+// <copyright file="XmlProcessingInstruction.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+// <owner current="true" primary="true">[....]</owner>
+//------------------------------------------------------------------------------
+
+namespace System.Xml {
+    using System;
+    using System.IO;
+    using System.Diagnostics;
+    using System.Text;
+    using System.Xml.XPath;
+
+    // Represents a processing instruction, which XML defines to keep
+    // processor-specific information in the text of the document.
+    public class XmlProcessingInstruction : XmlLinkedNode {
+        string target;
+        string data;
+
+        protected internal XmlProcessingInstruction( string target, string data, XmlDocument doc ) : base( doc ) {
+            this.target = target;
+            this.data = data;
+        }
+
+        // Gets the name of the node.
+        public override String Name {
+            get {
+                if (target != null)
+                    return target;
+                return String.Empty;
+            }
+        }
+
+        // Gets the name of the current node without the namespace prefix.
+        public override string LocalName {
+            get { return Name;}
+        }
+
+        // Gets or sets the value of the node.
+        public override String Value {
+            get { return data;}
+            set { Data = value; } //use Data instead of data so that event will be fired
+        }
+
+        // Gets the target of the processing instruction.
+        public String Target {
+            get { return target;}
+        }
+
+        // Gets or sets the content of processing instruction,
+        // excluding the target.
+        public String Data {
+            get { return data;}
+            set { 
+                XmlNode parent = ParentNode;
+                XmlNodeChangedEventArgs args = GetEventArgs( this, parent, parent, data, value, XmlNodeChangedAction.Change );
+                if (args != null)
+                    BeforeEvent( args );
+                data = value;
+                if (args != null)
+                    AfterEvent( args );
+            }
+        }
+
+        // Gets or sets the concatenated values of the node and
+        // all its children.
+        public override string InnerText { 
+            get { return data;}
+            set { Data = value; } //use Data instead of data so that change event will be fired
+        }
+
+        // Gets the type of the current node.
+        public override XmlNodeType NodeType {
+            get { return XmlNodeType.ProcessingInstruction;}
+        }
+
+        // Creates a duplicate of this node.
+        public override XmlNode CloneNode(bool deep) {
+            Debug.Assert( OwnerDocument != null );
+            return OwnerDocument.CreateProcessingInstruction( target, data );
+        }
+
+        // Saves the node to the specified XmlWriter.
+        public override void WriteTo(XmlWriter w) {
+            w.WriteProcessingInstruction(target, data);
+        }
+
+        // Saves all the children of the node to the specified XmlWriter.
+        public override void WriteContentTo(XmlWriter w) {
+            // Intentionally do nothing
+        }
+
+        internal override string XPLocalName { get { return Name; } }
+        internal override XPathNodeType XPNodeType { get { return XPathNodeType.ProcessingInstruction; } }
+    }
+}