initial check-in

1 files changed, 97 insertions, 0 deletions

diff --git a/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/contentmodel/chtml/CMNamedNodeMapImpl.java b/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/contentmodel/chtml/CMNamedNodeMapImpl.java
new file mode 100644
index 0000000000..39a7ba9a81
--- /dev/null
+++ b/bundles/org.eclipse.wst.html.core/src/org/eclipse/wst/html/core/contentmodel/chtml/CMNamedNodeMapImpl.java
@@ -0,0 +1,97 @@
+/*******************************************************************************
+ * Copyright (c) 2004 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.wst.html.core.contentmodel.chtml;
+
+
+
+import java.util.Iterator;
+
+import org.eclipse.wst.common.contentmodel.CMNode;
+
+/**
+ * An implementation of the CMNamedNodeMap interface.
+ * This class is intented to be used as a container of attribute declarations.
+ * If someone wants to use this class for other purpose, he must pay attention
+ * to the fact that this class is tolerant of the key name case.  That is, this
+ * class does not distinguish "name", "NAME", and "Name" as a key name.
+ */
+class CMNamedNodeMapImpl implements org.eclipse.wst.common.contentmodel.CMNamedNodeMap {
+
+	private java.util.Hashtable items = null;
+
+	/**
+	 */
+	public CMNamedNodeMapImpl() {
+		super();
+		items = new java.util.Hashtable();
+	}
+
+	/**
+	 * getLength method
+	 * @return int
+	 */
+	public int getLength() {
+		return items.size();
+	}
+
+	/**
+	 * getNamedItem method
+	 * @return CMNode <code>null</code> for unknown keys.
+	 * @param name java.lang.String
+	 */
+	public CMNode getNamedItem(String name) {
+		String cookedName = makeCanonicalForm(name);
+		if (!items.containsKey(cookedName))
+			return null;
+		return (CMNode) items.get(cookedName);
+	}
+
+	/**
+	 * item method
+	 * @return CMNode
+	 * @param index int
+	 */
+	public CMNode item(int index) {
+		Iterator iter = iterator();
+		while (iter.hasNext()) {
+			CMNode node = (CMNode) iter.next();
+			if (--index < 0)
+				return node;
+		}
+		return null;
+	}
+
+	/**
+	 * @return java.util.Iterator
+	 */
+	public Iterator iterator() {
+		return items.values().iterator();
+	}
+
+	/**
+	 * @return java.lang.String
+	 * @param rawForm java.lang.String
+	 */
+	private String makeCanonicalForm(String rawForm) {
+		return rawForm.toUpperCase();
+	}
+
+	/**
+	 * @param key java.lang.String
+	 * @param item java.lang.String
+	 */
+	void putNamedItem(String name, CMNode item) {
+		String cookedName = makeCanonicalForm(name);
+		if (items.containsKey(cookedName))
+			return; // already registered.
+		items.put(cookedName, item);
+	}
+}
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