-//\r
-// System.Xml.XmlNamedNodeMap.cs\r
-//\r
-// Author: Daniel Weber (daniel-weber@austin.rr.com)\r
-//\r
-// Implementation of abstract System.Xml.XmlNamedNodeMap class\r
-//\r
-// Credit for source code to Open XML 2.3.17\r
-\r
-using System;\r
-using System.Collections;\r
-\r
-namespace System.Xml\r
-{\r
-\r
- public class XmlNamedNodeMap : IEnumerable\r
- {\r
- //=============== Class data structures ====================================\r
- // Use weak references for owners to prevent circular linkage\r
- protected XmlNode FOwner;\r
- protected XmlNode FOwnerNode;\r
-\r
- protected ArrayList FnodeList;\r
- private bool FNamespaceAware;\r
- private bool FIsReadonly;\r
-\r
- // ============ Public Properties =====================================\r
- //=====================================================================\r
- /// <summary>\r
- /// Get the count of nodes in the map\r
- /// </summary>\r
- public virtual int Count \r
- {\r
- get\r
- {\r
- return FnodeList.Count;\r
- }\r
- }\r
- \r
- // ============ Public Methods =====================================\r
- /// <summary>\r
- /// Get the node at the given index. Index is 0-based, top element is Count - 1\r
- /// </summary>\r
- /// <param name="index">index into array of XmlNode to get</param>\r
- /// <returns>XmlNode at index, or null if index out of range</returns>\r
- public virtual XmlNode Item(int index)\r
- {\r
- try\r
- {\r
- return FnodeList[index] as XmlNode; //FnodeList.Item(index);\r
- }\r
- catch (ArgumentOutOfRangeException)\r
- {\r
- return null;\r
- }\r
- }\r
-\r
- /// <summary>\r
- /// Get the node with the given name\r
- /// If the nodes have an associated namespace, use (localName, namespaceURI) instead\r
- /// </summary>\r
- /// <param name="name">name of the node to return</param>\r
- /// <returns>XmlNode, or null if node not found</returns>\r
- public virtual XmlNode GetNamedItem(string name)\r
- {\r
- // Can't return without a namespace to lookup\r
- // SDK doesn't specify an exception to throw, so just return null\r
- if (FNamespaceAware) \r
- return null;\r
-\r
- foreach (XmlNode cur in FnodeList)\r
- {\r
- if (cur.Name == name)\r
- return cur;\r
- }\r
-\r
- return null;\r
-\r
- }\r
- \r
- /// <summary>\r
- /// Get the node with localName in given namespaceURI\r
- /// </summary>\r
- /// <param name="localName">localName of node</param>\r
- /// <param name="namespaceURI">namespace of node</param>\r
- /// <returns>XmlNode at location, or null</returns>\r
- public virtual XmlNode GetNamedItem(string localName, string namespaceURI)\r
- {\r
- // No namespace data in objects, can't lookup\r
- // SDK doesn't specify an exception to throw, so just return null\r
- if (! FNamespaceAware)\r
- return null;\r
-\r
- foreach (XmlNode cur in FnodeList)\r
- {\r
- if ((cur.Name == localName) & (cur.NamespaceURI == namespaceURI))\r
- return cur;\r
- }\r
- return null;\r
-\r
- }\r
-\r
- /// <summary>\r
- /// Get the enumerator for the node map\r
- /// </summary>\r
- /// <returns>Enumerator</returns>\r
- public virtual IEnumerator GetEnumerator()\r
- {\r
- return FnodeList.GetEnumerator();\r
- }\r
-\r
- \r
- /// <summary>\r
- /// Removes the node with given name from the Map and returns it.\r
- /// If the node is namespace aware, use RemoveNamedItem(localName, namespaceURI) instead\r
- /// </summary>\r
- /// <param name="name">node name</param>\r
- /// <returns>Removed node, or null if node not found</returns>\r
- public virtual XmlNode RemoveNamedItem(string name)\r
- {\r
- // Can't return without a namespace to lookup\r
- // SDK doesn't specify an exception to throw, so just return null\r
- if (FNamespaceAware) \r
- return null;\r
-\r
- for (int i = 0; i < FnodeList.Count; i++)\r
- {\r
- XmlNode cur = FnodeList[i] as XmlNode;\r
- if (cur.Name == name)\r
- {\r
- FnodeList.RemoveAt(i);\r
- return cur;\r
- }\r
- }\r
- return null;\r
- }\r
-\r
- /// <summary>\r
- /// Removes the node with given localName in namespaceURI\r
- /// If this XmlNamedNodeMap is not namespace aware, use RemoveNamedItem(name) instead.\r
- /// </summary>\r
- /// <param name="localName">local node name</param>\r
- /// <param name="namespaceURI">namespace node is in</param>\r
- /// <returns>Node that was removed, or null if no node found</returns>\r
- public virtual XmlNode RemoveNamedItem(string localName, string namespaceURI)\r
- {\r
- // No namespace data in objects, can't lookup\r
- // SDK doesn't specify an exception to throw, so just return null\r
- if (! FNamespaceAware) // NOT _namespaceAware\r
- return null;\r
-\r
- for (int i = 0; i < FnodeList.Count; i++)\r
- {\r
- XmlNode cur = FnodeList[i] as XmlNode;\r
- if ((cur.Name == localName) & (cur.NamespaceURI == namespaceURI))\r
- {\r
- FnodeList.RemoveAt(i);\r
- return cur;\r
- }\r
- }\r
- return null;\r
- }\r
-\r
- /// <summary>\r
- /// Adds the passed node using the name property\r
- /// If a node with this name exists, it is returned, otherwise null is returned.\r
- /// </summary>\r
- /// <exception cref="ArgumentException">Raised if node was created from another docuement, or XmlNamedNodeMap is read-only</exception>\r
- /// <exception cref="InvalidOperationException">Node is an XmlAttribute of another XmlElement</exception>\r
- /// <param name="node"></param>\r
- /// <returns></returns>\r
- public virtual XmlNode SetNamedItem(XmlNode node)\r
- {\r
- XmlNode retValue ; // Return value of method\r
-\r
- // Can't add to read-only Map\r
- if (FIsReadonly)\r
- throw new ArgumentException("Attempt to add node to read-only Node Map");\r
- \r
- //if FOwner.OwnerDocument <> arg.OwnerDocument then raise EWrong_Document_Err\r
- if (! FOwner.OwnerDocument.Equals(node.OwnerDocument))\r
- throw new ArgumentException("Cannot add node from another document");\r
- \r
- // if FNamespaceAware then raise ENamespace_Err.create('Namespace error.');\r
- if (FNamespaceAware)\r
- throw new InvalidOperationException("Invalid Operation: Can't add node by name to namespace aware node list");\r
-\r
- // Can't assign node that has a parent\r
- // TODO - is this check required/valid in the .NET API?\r
- //if assigned(arg.parentNode) then raise EInuse_Node_Err.create('In use node error.');\r
- if (node.ParentNode != null)\r
- throw new ArgumentException("In use node error");\r
-\r
- // XmlAttribute cannot be assigned to an element\r
- //if arg.NodeType = ntAttribute_Node\r
- // then if assigned((arg as TdomAttr).OwnerElement)\r
- // then if (arg as TdomAttr).OwnerElement <> FOwnerNode then raise EInuse_Attribute_Err.create('Inuse attribute error.');\r
-\r
- if (node is XmlAttribute)\r
- {\r
- if ((node as XmlAttribute).OwnerElement != null)\r
- {\r
- if (! FOwnerNode.Equals( (node as XmlAttribute).OwnerElement ))\r
- throw new InvalidOperationException("XmlAttribute is assigned to another element");\r
- }\r
- }\r
-\r
- /* \r
- if not (arg.NodeType in FAllowedNodeTypes) then raise EHierarchy_Request_Err.create('Hierarchy request error.');\r
- */\r
-\r
- if ( GetNamedItem(node.Name) != null)\r
- { \r
- retValue = RemoveNamedItem(node.Name); \r
- }\r
- else\r
- { \r
- retValue = null;\r
- }\r
-\r
- FnodeList.Add(node);\r
-\r
- // TODO - check that owner is set properly on adding an attribute node\r
-\r
- return retValue;\r
- }\r
-\r
- // ============ Constructors =========================================\r
- internal XmlNamedNodeMap(XmlNode aOwner, XmlNode aOwnerNode, ArrayList nodeList)\r
- {\r
- if (nodeList == null)\r
- nodeList = new ArrayList();\r
- else\r
- FnodeList = nodeList;\r
- FOwner = aOwner;\r
- FOwnerNode = aOwnerNode;\r
- FIsReadonly = false;\r
- FNamespaceAware = false;\r
- }\r
-\r
- // Add a default costructor to satisfy Visual Studio....\r
- // TODO - figure out a way to get rid of default constructor on XmlNamedNodeMap()\r
- internal XmlNamedNodeMap()\r
- {\r
- FnodeList = new ArrayList();\r
- FOwner = null;\r
- FOwnerNode = null;\r
- FIsReadonly = false;\r
- FNamespaceAware = false;\r
- }\r
-\r
- // ============ Internal Properties ===================================\r
- //=====================================================================\r
- internal bool IsReadOnly\r
- {\r
- get \r
- { \r
- return FIsReadonly;\r
- }\r
- set \r
- { \r
- FIsReadonly = value;\r
- }\r
- }\r
-\r
- internal bool NamespaceAware\r
- {\r
- get \r
- { \r
- return FNamespaceAware; \r
- }\r
- set \r
- { \r
- FNamespaceAware = value;\r
- }\r
- }\r
-\r
- }\r
-}
\ No newline at end of file
+//
+// System.Xml.XmlNamedNodeMap
+//
+// Author:
+// Jason Diamond (jason@injektilo.org)
+// Duncan Mak (duncan@ximian.com)
+//
+// (C) 2002 Jason Diamond http://injektilo.org/
+//
+
+using System;
+using System.Collections;
+
+namespace System.Xml
+{
+ public class XmlNamedNodeMap : IEnumerable
+ {
+ XmlNode parent;
+ ArrayList nodeList;
+ bool readOnly = false;
+
+ internal XmlNamedNodeMap (XmlNode parent)
+ {
+ this.parent = parent;
+ nodeList = new ArrayList ();
+ }
+
+ public virtual int Count {
+ get { return nodeList.Count; }
+ }
+
+ public virtual IEnumerator GetEnumerator ()
+ {
+ return nodeList.GetEnumerator ();
+ }
+
+ public virtual XmlNode GetNamedItem (string name)
+ {
+ foreach (XmlNode node in nodeList) {
+ if (node.Name == name)
+ return node;
+ }
+ return null;
+ }
+
+ public virtual XmlNode GetNamedItem (string localName, string namespaceURI)
+ {
+ foreach (XmlNode node in nodeList) {
+ if ((node.Name == localName)
+ && (parent.NamespaceURI == namespaceURI))
+ return node;
+ }
+
+ return null;
+ }
+
+ public virtual XmlNode Item (int index)
+ {
+ if (index < 0 || index > nodeList.Count)
+ return null;
+ else
+ return (XmlNode) nodeList [index];
+ }
+
+ public virtual XmlNode RemoveNamedItem (string name)
+ {
+ foreach (XmlNode node in nodeList)
+ if (node.Name == name) {
+ nodeList.Remove (node);
+ return node;
+ }
+
+ return null;
+ }
+
+ public virtual XmlNode RemoveNamedItem (string localName, string namespaceURI)
+ {
+ foreach (XmlNode node in nodeList)
+ if ((node.Name == localName)
+ && (parent.NamespaceURI == namespaceURI)) {
+ nodeList.Remove (node);
+ return node;
+ }
+
+ return null;
+ }
+
+ public virtual XmlNode SetNamedItem (XmlNode node)
+ {
+ if (readOnly || (node.OwnerDocument != parent.OwnerDocument))
+ throw new ArgumentException ("Cannot add to NodeMap.");
+
+ foreach (XmlNode x in nodeList)
+ if (x.Name == node.Name) {
+ nodeList.Remove (x);
+ nodeList.Add (x);
+ return x;
+ }
+
+ nodeList.Add (node);
+ return null;
+ }
+ }
+}
projects / mono.git / blobdiff