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Diffstat (limited to 'libjava/gnu/xml/dom/DomNodeIterator.java')
| -rw-r--r-- | libjava/gnu/xml/dom/DomNodeIterator.java | 327 |
1 files changed, 0 insertions, 327 deletions
diff --git a/libjava/gnu/xml/dom/DomNodeIterator.java b/libjava/gnu/xml/dom/DomNodeIterator.java deleted file mode 100644 index 6079f7a126a..00000000000 --- a/libjava/gnu/xml/dom/DomNodeIterator.java +++ /dev/null @@ -1,327 +0,0 @@ -/* DomNodeIterator.java -- - Copyright (C) 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath is distributed in the hope that it will be useful, but -WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -General Public License for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ -package gnu.xml.dom; - -import org.w3c.dom.DOMException; -import org.w3c.dom.Node; -import org.w3c.dom.traversal.NodeFilter; -import org.w3c.dom.traversal.NodeIterator; -import org.w3c.dom.traversal.TreeWalker; - -/** - * Node iterator and tree walker. - * - * @author <a href='mailto:dog@gnu.org'>Chris Burdess</a> - */ -public class DomNodeIterator - implements NodeIterator, TreeWalker -{ - - Node root; - final int whatToShow; - final NodeFilter filter; - final boolean entityReferenceExpansion; - final boolean walk; - Node current; - - public DomNodeIterator(Node root, int whatToShow, NodeFilter filter, - boolean entityReferenceExpansion, boolean walk) - { - if (root == null) - { - throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "null root"); - } - this.root = root; - this.whatToShow = whatToShow; - this.filter = filter; - this.entityReferenceExpansion = entityReferenceExpansion; - this.walk = walk; - current = root; - } - - public Node getRoot() - { - return root; - } - - public int getWhatToShow() - { - return whatToShow; - } - - public NodeFilter getFilter() - { - return filter; - } - - public boolean getExpandEntityReferences() - { - return entityReferenceExpansion; - } - - public Node nextNode() - throws DOMException - { - if (root == null) - { - throw new DOMException(DOMException.INVALID_STATE_ERR, "null root"); - } - Node ret; - do - { - if (current.equals(root)) - { - ret = root.getFirstChild(); - } - else if (walk) - { - ret = current.getFirstChild(); - if (ret == null) - { - ret = current.getNextSibling(); - } - if (ret == null) - { - Node tmp = current; - ret = tmp.getParentNode(); - while (!ret.equals(root) && tmp.equals(ret.getLastChild())) - { - tmp = ret; - ret = tmp.getParentNode(); - } - if (ret.equals(root)) - { - ret = null; - } - else - { - ret = ret.getNextSibling(); - } - } - } - else - { - ret = current.getNextSibling(); - } - } - while (!accept(ret)); - current = (ret == null) ? current : ret; - return ret; - } - - public Node previousNode() - throws DOMException - { - if (root == null) - { - throw new DOMException(DOMException.INVALID_STATE_ERR, "null root"); - } - Node ret; - do - { - if (current.equals(root)) - { - ret = current.getLastChild(); - } - else if (walk) - { - ret = current.getLastChild(); - if (ret == null) - { - ret = current.getPreviousSibling(); - } - if (ret == null) - { - Node tmp = current; - ret = tmp.getParentNode(); - while (!ret.equals(root) && tmp.equals(ret.getFirstChild())) - { - tmp = ret; - ret = tmp.getParentNode(); - } - if (ret.equals(root)) - { - ret = null; - } - else - { - ret = ret.getPreviousSibling(); - } - } - } - else - { - ret = current.getPreviousSibling(); - } - } - while (!accept(ret)); - current = (ret == null) ? current : ret; - return ret; - } - - public Node getCurrentNode() - { - return current; - } - - public void setCurrentNode(Node current) - throws DOMException - { - if (current == null) - { - throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "null root"); - } - this.current = current; - } - - public Node parentNode() - { - Node ret = current.getParentNode(); - if (!accept (ret)) - { - ret = null; - } - current = (ret == null) ? current : ret; - return ret; - } - - public Node firstChild () - { - Node ret = current.getFirstChild(); - while (!accept(ret)) - { - ret = ret.getNextSibling(); - } - current = (ret == null) ? current : ret; - return ret; - } - - public Node lastChild() - { - Node ret = current.getLastChild(); - while (!accept(ret)) - { - ret = ret.getPreviousSibling(); - } - current = (ret == null) ? current : ret; - return ret; - } - - public Node previousSibling() - { - Node ret = current.getPreviousSibling(); - while (!accept(ret)) - { - ret = ret.getPreviousSibling(); - } - current = (ret == null) ? current : ret; - return ret; - } - - public Node nextSibling() - { - Node ret = current.getNextSibling(); - while (!accept(ret)) - { - ret = ret.getNextSibling(); - } - current = (ret == null) ? current : ret; - return ret; - } - - public void detach() - { - root = null; - } - - boolean accept(Node node) - { - if (node == null) - { - return true; - } - boolean ret; - switch (node.getNodeType()) - { - case Node.ATTRIBUTE_NODE: - ret = (whatToShow & NodeFilter.SHOW_ATTRIBUTE) != 0; - break; - case Node.CDATA_SECTION_NODE: - ret = (whatToShow & NodeFilter.SHOW_CDATA_SECTION) != 0; - break; - case Node.COMMENT_NODE: - ret = (whatToShow & NodeFilter.SHOW_COMMENT) != 0; - break; - case Node.DOCUMENT_NODE: - ret = (whatToShow & NodeFilter.SHOW_DOCUMENT) != 0; - break; - case Node.DOCUMENT_FRAGMENT_NODE: - ret = (whatToShow & NodeFilter.SHOW_DOCUMENT_FRAGMENT) != 0; - break; - case Node.DOCUMENT_TYPE_NODE: - ret = (whatToShow & NodeFilter.SHOW_DOCUMENT_TYPE) != 0; - break; - case Node.ELEMENT_NODE: - ret = (whatToShow & NodeFilter.SHOW_ELEMENT) != 0; - break; - case Node.ENTITY_NODE: - ret = (whatToShow & NodeFilter.SHOW_ENTITY) != 0; - break; - case Node.ENTITY_REFERENCE_NODE: - ret = (whatToShow & NodeFilter.SHOW_ENTITY_REFERENCE) != 0; - ret = ret && entityReferenceExpansion; - break; - case Node.NOTATION_NODE: - ret = (whatToShow & NodeFilter.SHOW_NOTATION) != 0; - break; - case Node.PROCESSING_INSTRUCTION_NODE: - ret = (whatToShow & NodeFilter.SHOW_PROCESSING_INSTRUCTION) != 0; - break; - case Node.TEXT_NODE: - ret = (whatToShow & NodeFilter.SHOW_TEXT) != 0; - break; - default: - ret = true; - } - if (ret && filter != null) - { - ret = (filter.acceptNode(node) == NodeFilter.FILTER_ACCEPT); - } - return ret; - } - -} |
