Skip to main content

This CGIT instance is deprecated, and repositories have been moved to Gitlab or Github. See the repository descriptions for specific locations.

summaryrefslogtreecommitdiffstats
path: root/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/NodeContainer.java
diff options
context:
space:
mode:
Diffstat (limited to 'bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/NodeContainer.java')
-rw-r--r--bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/NodeContainer.java514
1 files changed, 0 insertions, 514 deletions
diff --git a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/NodeContainer.java b/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/NodeContainer.java
deleted file mode 100644
index f653163874..0000000000
--- a/bundles/org.eclipse.wst.xml.core/src/org/eclipse/wst/xml/core/internal/document/NodeContainer.java
+++ /dev/null
@@ -1,514 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2001, 2005 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
- * Jens Lukowski/Innoopract - initial renaming/restructuring
- *
- *******************************************************************************/
-package org.eclipse.wst.xml.core.internal.document;
-
-
-
-import org.eclipse.wst.sse.core.internal.provisional.text.IStructuredDocumentRegion;
-import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
-import org.w3c.dom.DOMException;
-import org.w3c.dom.Document;
-import org.w3c.dom.DocumentFragment;
-import org.w3c.dom.Node;
-import org.w3c.dom.NodeList;
-
-
-/**
- * NodeContainer class
- */
-public abstract class NodeContainer extends NodeImpl implements Node, NodeList {
-
- /**
- */
- private class ChildNodesCache implements NodeList {
- private Node curChild = null;
- private int curIndex = -1;
- private int length = 0;
-
- ChildNodesCache() {
- initializeCache();
- }
-
- public int getLength() {
- // atomic
- return this.length;
- }
-
- private void initializeCache() {
- // note we use the outter objects lockobject
- // (since we are using their "children".
- synchronized (lockObject) {
- for (Node child = firstChild; child != null; child = child.getNextSibling()) {
- this.length++;
- }
- }
- }
-
- public Node item(int index) {
- synchronized (lockObject) {
- if (this.length == 0)
- return null;
- if (index < 0)
- return null;
- if (index >= this.length)
- return null;
-
- if (this.curIndex < 0) { // first time
- if (index * 2 >= this.length) { // search from the last
- this.curIndex = this.length - 1;
- this.curChild = lastChild;
- } else { // search from the first
- this.curIndex = 0;
- this.curChild = firstChild;
- }
- }
-
- if (index == this.curIndex)
- return this.curChild;
-
- if (index > this.curIndex) {
- while (index > this.curIndex) {
- this.curIndex++;
- this.curChild = this.curChild.getNextSibling();
- }
- } else { // index < this.curIndex
- while (index < this.curIndex) {
- this.curIndex--;
- this.curChild = this.curChild.getPreviousSibling();
- }
- }
-
- return this.curChild;
- }
- }
- }
-
- private NodeList childNodesCache = null;
-
- private boolean fChildEditable = true;
- NodeImpl firstChild = null;
- NodeImpl lastChild = null;
-
- Object lockObject = new byte[0];
-
- /**
- * NodeContainer constructor
- */
- protected NodeContainer() {
- super();
- }
-
- /**
- * NodeContainer constructor
- *
- * @param that
- * NodeContainer
- */
- protected NodeContainer(NodeContainer that) {
- super(that);
- }
-
- /**
- * appendChild method
- *
- * @return org.w3c.dom.Node
- * @param newChild
- * org.w3c.dom.Node
- */
- public Node appendChild(Node newChild) throws DOMException {
- return insertBefore(newChild, null);
- }
-
- /**
- * cloneChildNodes method
- *
- * @param container
- * org.w3c.dom.Node
- * @param deep
- * boolean
- */
- protected void cloneChildNodes(Node newParent, boolean deep) {
- if (newParent == null || newParent == this)
- return;
- if (!(newParent instanceof NodeContainer))
- return;
-
- NodeContainer container = (NodeContainer) newParent;
- container.removeChildNodes();
-
- for (Node child = getFirstChild(); child != null; child = child.getNextSibling()) {
- Node cloned = child.cloneNode(deep);
- if (cloned != null)
- container.appendChild(cloned);
- }
- }
-
- /**
- * getChildNodes method
- *
- * @return org.w3c.dom.NodeList
- */
- public NodeList getChildNodes() {
- return this;
- }
-
- /**
- * getFirstChild method
- *
- * @return org.w3c.dom.Node
- */
- public Node getFirstChild() {
- return this.firstChild;
- }
-
- /**
- * getLastChild method
- *
- * @return org.w3c.dom.Node
- */
- public Node getLastChild() {
- return this.lastChild;
- }
-
- /**
- * getLength method
- *
- * @return int
- */
- public int getLength() {
- if (this.firstChild == null)
- return 0;
- synchronized (lockObject) {
- if (this.childNodesCache == null)
- this.childNodesCache = new ChildNodesCache();
- return this.childNodesCache.getLength();
- }
- }
-
- /**
- */
- public String getSource() {
- StringBuffer buffer = new StringBuffer();
-
- IStructuredDocumentRegion startStructuredDocumentRegion = getStartStructuredDocumentRegion();
- if (startStructuredDocumentRegion != null) {
- String source = startStructuredDocumentRegion.getText();
- if (source != null)
- buffer.append(source);
- }
-
- for (NodeImpl child = firstChild; child != null; child = (NodeImpl) child.getNextSibling()) {
- String source = child.getSource();
- if (source != null)
- buffer.append(source);
- }
-
- IStructuredDocumentRegion endStructuredDocumentRegion = getEndStructuredDocumentRegion();
- if (endStructuredDocumentRegion != null) {
- String source = endStructuredDocumentRegion.getText();
- if (source != null)
- buffer.append(source);
- }
-
- return buffer.toString();
- }
-
- /**
- * hasChildNodes method
- *
- * @return boolean
- */
- public boolean hasChildNodes() {
- return (this.firstChild != null);
- }
-
- /**
- * insertBefore method
- *
- * @return org.w3c.dom.Node
- * @param newChild
- * org.w3c.dom.Node
- * @param refChild
- * org.w3c.dom.Node
- */
- public Node insertBefore(Node newChild, Node refChild) throws DOMException {
- if (newChild == null)
- return null; // nothing to do
- if (refChild != null && refChild.getParentNode() != this) {
- throw new DOMException(DOMException.NOT_FOUND_ERR, new String());
- }
- if (!isChildEditable()) {
- throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String());
- }
- if (newChild == refChild)
- return newChild; // nothing to do
-
- if (newChild.getNodeType() == DOCUMENT_FRAGMENT_NODE) {
- // insert child nodes instead
- for (Node child = newChild.getFirstChild(); child != null; child = newChild.getFirstChild()) {
- newChild.removeChild(child);
- insertBefore(child, refChild);
- }
- return newChild;
- }
- // synchronized in case another thread is getting item, or length
- synchronized (lockObject) {
- this.childNodesCache = null; // invalidate child nodes cache
- }
-
- NodeImpl child = (NodeImpl) newChild;
- NodeImpl next = (NodeImpl) refChild;
- NodeImpl prev = null;
- Node oldParent = child.getParentNode();
- if (oldParent != null)
- oldParent.removeChild(child);
- if (next == null) {
- prev = this.lastChild;
- this.lastChild = child;
- } else {
- prev = (NodeImpl) next.getPreviousSibling();
- next.setPreviousSibling(child);
- }
- if (prev == null)
- this.firstChild = child;
- else
- prev.setNextSibling(child);
- child.setPreviousSibling(prev);
- child.setNextSibling(next);
- child.setParentNode(this);
- // make sure having the same owner document
- if (child.getOwnerDocument() == null) {
- if (getNodeType() == DOCUMENT_NODE) {
- child.setOwnerDocument((Document) this);
- } else {
- child.setOwnerDocument(getOwnerDocument());
- }
- }
-
- notifyChildReplaced(child, null);
-
- return child;
- }
-
- public boolean isChildEditable() {
- if (!fChildEditable) {
- DOMModelImpl model = (DOMModelImpl) getModel();
- if (model != null && model.isReparsing()) {
- return true;
- }
- }
- return fChildEditable;
- }
-
- /**
- * isContainer method
- *
- * @return boolean
- */
- public boolean isContainer() {
- return true;
- }
-
- /**
- * item method
- *
- * @return org.w3c.dom.Node
- * @param index
- * int
- */
- public Node item(int index) {
- if (this.firstChild == null)
- return null;
- synchronized (lockObject) {
- if (this.childNodesCache == null)
- this.childNodesCache = new ChildNodesCache();
- return this.childNodesCache.item(index);
- }
- }
-
- /**
- * notifyChildReplaced method
- *
- * @param newChild
- * org.w3c.dom.Node
- * @param oldChild
- * org.w3c.dom.Node
- */
- protected void notifyChildReplaced(Node newChild, Node oldChild) {
- DocumentImpl document = (DocumentImpl) getContainerDocument();
- if (document == null)
- return;
-
- syncChildEditableState(newChild);
-
- DOMModelImpl model = (DOMModelImpl) document.getModel();
- if (model == null)
- return;
- model.childReplaced(this, newChild, oldChild);
- }
-
- /**
- * removeChild method
- *
- * @return org.w3c.dom.Node
- * @param oldChild
- * org.w3c.dom.Node
- */
- public Node removeChild(Node oldChild) throws DOMException {
- if (oldChild == null)
- return null;
- if (oldChild.getParentNode() != this) {
- throw new DOMException(DOMException.NOT_FOUND_ERR, new String());
- }
-
- if (!isChildEditable()) {
- throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String());
- }
-
- // synchronized in case another thread is getting item, or length
- synchronized (lockObject) {
- this.childNodesCache = null; // invalidate child nodes cache
- }
-
- NodeImpl child = (NodeImpl) oldChild;
- NodeImpl prev = (NodeImpl) child.getPreviousSibling();
- NodeImpl next = (NodeImpl) child.getNextSibling();
-
- child.setEditable(true, true); // clear ReadOnly flags
-
- if (prev == null)
- this.firstChild = next;
- else
- prev.setNextSibling(next);
- if (next == null)
- this.lastChild = prev;
- else
- next.setPreviousSibling(prev);
- child.setPreviousSibling(null);
- child.setNextSibling(null);
- child.setParentNode(null);
-
- notifyChildReplaced(null, child);
-
- return child;
- }
-
- /**
- * removeChildNodes method
- */
- public void removeChildNodes() {
- if (!isChildEditable()) {
- throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String());
- }
-
- Node nextChild = null;
- for (Node child = getFirstChild(); child != null; child = nextChild) {
- nextChild = child.getNextSibling();
- removeChild(child);
- }
- }
-
- /**
- * removeChildNodes method
- *
- * @return org.w3c.dom.DocumentFragment
- * @param firstChild
- * org.w3c.dom.Node
- * @param lastChild
- * org.w3c.dom.Node
- */
- public DocumentFragment removeChildNodes(Node firstChild, Node lastChild) {
- if (!hasChildNodes())
- return null;
- if (!isChildEditable()) {
- throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String());
- }
-
- Document document = null;
- if (getNodeType() == DOCUMENT_NODE)
- document = (Document) this;
- else
- document = getOwnerDocument();
- if (document == null)
- return null;
- DocumentFragment fragment = document.createDocumentFragment();
- if (fragment == null)
- return null;
-
- if (firstChild == null)
- firstChild = getFirstChild();
- if (lastChild == null)
- lastChild = getLastChild();
- Node nextChild = null;
- for (Node child = firstChild; child != null; child = nextChild) {
- nextChild = child.getNextSibling();
- removeChild(child);
- fragment.appendChild(child);
- if (child == lastChild)
- break;
- }
-
- return fragment;
- }
-
- /**
- * replaceChild method
- *
- * @return org.w3c.dom.Node
- * @param newChild
- * org.w3c.dom.Node
- * @param oldChild
- * org.w3c.dom.Node
- */
- public Node replaceChild(Node newChild, Node oldChild) throws DOMException {
- if (!isChildEditable()) {
- throw new DOMException(DOMException.NO_MODIFICATION_ALLOWED_ERR, new String());
- }
-
- if (oldChild == null)
- return newChild;
- if (newChild != null)
- insertBefore(newChild, oldChild);
- return removeChild(oldChild);
- }
-
- public void setChildEditable(boolean editable) {
- if (fChildEditable == editable) {
- return;
- }
-
- ReadOnlyController roc = ReadOnlyController.getInstance();
- Node node;
- if (editable) {
- for (node = getFirstChild(); node != null; node = node.getNextSibling()) {
- roc.unlockNode((IDOMNode) node);
- }
- } else {
- for (node = getFirstChild(); node != null; node = node.getNextSibling()) {
- roc.lockNode((IDOMNode) node);
- }
- }
-
- fChildEditable = editable;
- notifyEditableChanged();
- }
-
- protected void syncChildEditableState(Node child) {
- ReadOnlyController roc = ReadOnlyController.getInstance();
- if (fChildEditable) {
- roc.unlockNode((NodeImpl) child);
- } else {
- roc.lockNode((NodeImpl) child);
- }
- }
-}

Back to the top