--- /dev/null
+/*
+ * @(#)DOMNodeImpl.java 1.11 2000/08/16
+ *
+ */
+
+package net.sourceforge.phpdt.tidy;
+
+import org.w3c.dom.DOMException;
+
+/**
+ *
+ * DOMNodeImpl
+ *
+ * (c) 1998-2000 (W3C) MIT, INRIA, Keio University
+ * See Tidy.java for the copyright notice.
+ * Derived from <a href="http://www.w3.org/People/Raggett/tidy">
+ * HTML Tidy Release 4 Aug 2000</a>
+ *
+ * @author Dave Raggett <dsr@w3.org>
+ * @author Andy Quick <ac.quick@sympatico.ca> (translation to Java)
+ * @version 1.4, 1999/09/04 DOM Support
+ * @version 1.5, 1999/10/23 Tidy Release 27 Sep 1999
+ * @version 1.6, 1999/11/01 Tidy Release 22 Oct 1999
+ * @version 1.7, 1999/12/06 Tidy Release 30 Nov 1999
+ * @version 1.8, 2000/01/22 Tidy Release 13 Jan 2000
+ * @version 1.9, 2000/06/03 Tidy Release 30 Apr 2000
+ * @version 1.10, 2000/07/22 Tidy Release 8 Jul 2000
+ * @version 1.11, 2000/08/16 Tidy Release 4 Aug 2000
+ */
+
+public class DOMNodeImpl implements org.w3c.dom.Node {
+
+ protected Node adaptee;
+
+ protected DOMNodeImpl(Node adaptee)
+ {
+ this.adaptee = adaptee;
+ }
+
+
+ /* --------------------- DOM ---------------------------- */
+
+ /**
+ * @see org.w3c.dom.Node#getNodeValue
+ */
+ public String getNodeValue() throws DOMException
+ {
+ String value = ""; //BAK 10/10/2000 replaced null
+ if (adaptee.type == Node.TextNode ||
+ adaptee.type == Node.CDATATag ||
+ adaptee.type == Node.CommentTag ||
+ adaptee.type == Node.ProcInsTag)
+ {
+
+ if (adaptee.textarray != null && adaptee.start < adaptee.end)
+ {
+ value = Lexer.getString(adaptee.textarray,
+ adaptee.start,
+ adaptee.end - adaptee.start);
+ }
+ }
+ return value;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#setNodeValue
+ */
+ public void setNodeValue(String nodeValue) throws DOMException
+ {
+ if (adaptee.type == Node.TextNode ||
+ adaptee.type == Node.CDATATag ||
+ adaptee.type == Node.CommentTag ||
+ adaptee.type == Node.ProcInsTag)
+ {
+ byte[] textarray = Lexer.getBytes(nodeValue);
+ adaptee.textarray = textarray;
+ adaptee.start = 0;
+ adaptee.end = textarray.length;
+ }
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getNodeName
+ */
+ public String getNodeName()
+ {
+ return adaptee.element;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getNodeType
+ */
+ public short getNodeType()
+ {
+ short result = -1;
+ switch (adaptee.type) {
+ case Node.RootNode:
+ result = org.w3c.dom.Node.DOCUMENT_NODE;
+ break;
+ case Node.DocTypeTag:
+ result = org.w3c.dom.Node.DOCUMENT_TYPE_NODE;
+ break;
+ case Node.CommentTag:
+ result = org.w3c.dom.Node.COMMENT_NODE;
+ break;
+ case Node.ProcInsTag:
+ result = org.w3c.dom.Node.PROCESSING_INSTRUCTION_NODE;
+ break;
+ case Node.TextNode:
+ result = org.w3c.dom.Node.TEXT_NODE;
+ break;
+ case Node.CDATATag:
+ result = org.w3c.dom.Node.CDATA_SECTION_NODE;
+ break;
+ case Node.StartTag:
+ case Node.StartEndTag:
+ result = org.w3c.dom.Node.ELEMENT_NODE;
+ break;
+ }
+ return result;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getParentNode
+ */
+ public org.w3c.dom.Node getParentNode()
+ {
+ if (adaptee.parent != null)
+ return adaptee.parent.getAdapter();
+ else
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getChildNodes
+ */
+ public org.w3c.dom.NodeList getChildNodes()
+ {
+ return new DOMNodeListImpl(adaptee);
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getFirstChild
+ */
+ public org.w3c.dom.Node getFirstChild()
+ {
+ if (adaptee.content != null)
+ return adaptee.content.getAdapter();
+ else
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getLastChild
+ */
+ public org.w3c.dom.Node getLastChild()
+ {
+ if (adaptee.last != null)
+ return adaptee.last.getAdapter();
+ else
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getPreviousSibling
+ */
+ public org.w3c.dom.Node getPreviousSibling()
+ {
+ if (adaptee.prev != null)
+ return adaptee.prev.getAdapter();
+ else
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getNextSibling
+ */
+ public org.w3c.dom.Node getNextSibling()
+ {
+ if (adaptee.next != null)
+ return adaptee.next.getAdapter();
+ else
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getAttributes
+ */
+ public org.w3c.dom.NamedNodeMap getAttributes()
+ {
+ return new DOMAttrMapImpl(adaptee.attributes);
+ }
+
+ /**
+ * @see org.w3c.dom.Node#getOwnerDocument
+ */
+ public org.w3c.dom.Document getOwnerDocument()
+ {
+ Node node;
+
+ node = this.adaptee;
+ if (node != null && node.type == Node.RootNode)
+ return null;
+
+ for (node = this.adaptee;
+ node != null && node.type != Node.RootNode; node = node.parent);
+
+ if (node != null)
+ return (org.w3c.dom.Document)node.getAdapter();
+ else
+ return null;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#insertBefore
+ */
+ public org.w3c.dom.Node insertBefore(org.w3c.dom.Node newChild,
+ org.w3c.dom.Node refChild)
+ throws DOMException
+ {
+ // TODO - handle newChild already in tree
+
+ if (newChild == null)
+ return null;
+ if (!(newChild instanceof DOMNodeImpl)) {
+ throw new DOMExceptionImpl(DOMException.WRONG_DOCUMENT_ERR,
+ "newChild not instanceof DOMNodeImpl");
+ }
+ DOMNodeImpl newCh = (DOMNodeImpl)newChild;
+
+ if (this.adaptee.type == Node.RootNode) {
+ if (newCh.adaptee.type != Node.DocTypeTag &&
+ newCh.adaptee.type != Node.ProcInsTag) {
+ throw new DOMExceptionImpl(DOMException.HIERARCHY_REQUEST_ERR,
+ "newChild cannot be a child of this node");
+ }
+ } else if (this.adaptee.type == Node.StartTag) {
+ if (newCh.adaptee.type != Node.StartTag &&
+ newCh.adaptee.type != Node.StartEndTag &&
+ newCh.adaptee.type != Node.CommentTag &&
+ newCh.adaptee.type != Node.TextNode &&
+ newCh.adaptee.type != Node.CDATATag) {
+ throw new DOMExceptionImpl(DOMException.HIERARCHY_REQUEST_ERR,
+ "newChild cannot be a child of this node");
+ }
+ }
+ if (refChild == null) {
+ Node.insertNodeAtEnd(this.adaptee, newCh.adaptee);
+ if (this.adaptee.type == Node.StartEndTag) {
+ this.adaptee.setType(Node.StartTag);
+ }
+ } else {
+ Node ref = this.adaptee.content;
+ while (ref != null) {
+ if (ref.getAdapter() == refChild) break;
+ ref = ref.next;
+ }
+ if (ref == null) {
+ throw new DOMExceptionImpl(DOMException.NOT_FOUND_ERR,
+ "refChild not found");
+ }
+ Node.insertNodeBeforeElement(ref, newCh.adaptee);
+ }
+ return newChild;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#replaceChild
+ */
+ public org.w3c.dom.Node replaceChild(org.w3c.dom.Node newChild,
+ org.w3c.dom.Node oldChild)
+ throws DOMException
+ {
+ // TODO - handle newChild already in tree
+
+ if (newChild == null)
+ return null;
+ if (!(newChild instanceof DOMNodeImpl)) {
+ throw new DOMExceptionImpl(DOMException.WRONG_DOCUMENT_ERR,
+ "newChild not instanceof DOMNodeImpl");
+ }
+ DOMNodeImpl newCh = (DOMNodeImpl)newChild;
+
+ if (this.adaptee.type == Node.RootNode) {
+ if (newCh.adaptee.type != Node.DocTypeTag &&
+ newCh.adaptee.type != Node.ProcInsTag) {
+ throw new DOMExceptionImpl(DOMException.HIERARCHY_REQUEST_ERR,
+ "newChild cannot be a child of this node");
+ }
+ } else if (this.adaptee.type == Node.StartTag) {
+ if (newCh.adaptee.type != Node.StartTag &&
+ newCh.adaptee.type != Node.StartEndTag &&
+ newCh.adaptee.type != Node.CommentTag &&
+ newCh.adaptee.type != Node.TextNode &&
+ newCh.adaptee.type != Node.CDATATag) {
+ throw new DOMExceptionImpl(DOMException.HIERARCHY_REQUEST_ERR,
+ "newChild cannot be a child of this node");
+ }
+ }
+ if (oldChild == null) {
+ throw new DOMExceptionImpl(DOMException.NOT_FOUND_ERR,
+ "oldChild not found");
+ } else {
+ Node n;
+ Node ref = this.adaptee.content;
+ while (ref != null) {
+ if (ref.getAdapter() == oldChild) break;
+ ref = ref.next;
+ }
+ if (ref == null) {
+ throw new DOMExceptionImpl(DOMException.NOT_FOUND_ERR,
+ "oldChild not found");
+ }
+ newCh.adaptee.next = ref.next;
+ newCh.adaptee.prev = ref.prev;
+ newCh.adaptee.last = ref.last;
+ newCh.adaptee.parent = ref.parent;
+ newCh.adaptee.content = ref.content;
+ if (ref.parent != null) {
+ if (ref.parent.content == ref)
+ ref.parent.content = newCh.adaptee;
+ if (ref.parent.last == ref)
+ ref.parent.last = newCh.adaptee;
+ }
+ if (ref.prev != null) {
+ ref.prev.next = newCh.adaptee;
+ }
+ if (ref.next != null) {
+ ref.next.prev = newCh.adaptee;
+ }
+ for (n = ref.content; n != null; n = n.next) {
+ if (n.parent == ref)
+ n.parent = newCh.adaptee;
+ }
+ }
+ return oldChild;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#removeChild
+ */
+ public org.w3c.dom.Node removeChild(org.w3c.dom.Node oldChild)
+ throws DOMException
+ {
+ if (oldChild == null)
+ return null;
+
+ Node ref = this.adaptee.content;
+ while (ref != null) {
+ if (ref.getAdapter() == oldChild) break;
+ ref = ref.next;
+ }
+ if (ref == null) {
+ throw new DOMExceptionImpl(DOMException.NOT_FOUND_ERR,
+ "refChild not found");
+ }
+ Node.discardElement(ref);
+
+ if (this.adaptee.content == null
+ && this.adaptee.type == Node.StartTag) {
+ this.adaptee.setType(Node.StartEndTag);
+ }
+
+ return oldChild;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#appendChild
+ */
+ public org.w3c.dom.Node appendChild(org.w3c.dom.Node newChild)
+ throws DOMException
+ {
+ // TODO - handle newChild already in tree
+
+ if (newChild == null)
+ return null;
+ if (!(newChild instanceof DOMNodeImpl)) {
+ throw new DOMExceptionImpl(DOMException.WRONG_DOCUMENT_ERR,
+ "newChild not instanceof DOMNodeImpl");
+ }
+ DOMNodeImpl newCh = (DOMNodeImpl)newChild;
+
+ if (this.adaptee.type == Node.RootNode) {
+ if (newCh.adaptee.type != Node.DocTypeTag &&
+ newCh.adaptee.type != Node.ProcInsTag) {
+ throw new DOMExceptionImpl(DOMException.HIERARCHY_REQUEST_ERR,
+ "newChild cannot be a child of this node");
+ }
+ } else if (this.adaptee.type == Node.StartTag) {
+ if (newCh.adaptee.type != Node.StartTag &&
+ newCh.adaptee.type != Node.StartEndTag &&
+ newCh.adaptee.type != Node.CommentTag &&
+ newCh.adaptee.type != Node.TextNode &&
+ newCh.adaptee.type != Node.CDATATag) {
+ throw new DOMExceptionImpl(DOMException.HIERARCHY_REQUEST_ERR,
+ "newChild cannot be a child of this node");
+ }
+ }
+ Node.insertNodeAtEnd(this.adaptee, newCh.adaptee);
+
+ if (this.adaptee.type == Node.StartEndTag) {
+ this.adaptee.setType(Node.StartTag);
+ }
+
+ return newChild;
+ }
+
+ /**
+ * @see org.w3c.dom.Node#hasChildNodes
+ */
+ public boolean hasChildNodes()
+ {
+ return (adaptee.content != null);
+ }
+
+ /**
+ * @see org.w3c.dom.Node#cloneNode
+ */
+ public org.w3c.dom.Node cloneNode(boolean deep)
+ {
+ Node node = adaptee.cloneNode(deep);
+ node.parent = null;
+ return node.getAdapter();
+ }
+
+ /**
+ * DOM2 - not implemented.
+ */
+ public void normalize()
+ {
+ }
+
+ /**
+ * DOM2 - not implemented.
+ */
+ public boolean supports(String feature, String version)
+ {
+ return isSupported(feature, version);
+ }
+
+ /**
+ * DOM2 - not implemented.
+ */
+ public String getNamespaceURI()
+ {
+ return null;
+ }
+
+ /**
+ * DOM2 - not implemented.
+ */
+ public String getPrefix()
+ {
+ return null;
+ }
+
+ /**
+ * DOM2 - not implemented.
+ */
+ public void setPrefix(String prefix)
+ throws DOMException
+ {
+ }
+
+ /**
+ * DOM2 - not implemented.
+ */
+ public String getLocalName()
+ {
+ return null;
+ }
+
+ /**
+ * DOM2 - not implemented.
+ */
+ public boolean isSupported(String feature,String version) {
+ return false;
+ }
+
+ /**
+ * DOM2 - @see org.w3c.dom.Node#hasAttributes
+ * contributed by dlp@users.sourceforge.net
+ */
+ public boolean hasAttributes()
+ {
+ return adaptee.attributes != null;
+ }
+}
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