src/store/org/apache/xmlbeans/impl/store/CharNode.java - xmlbeans - Git at Google

 /*   Copyright 2004 The Apache Software Foundation
  *
  *   Licensed under the Apache License, Version 2.0 (the "License");
  *   you may not use this file except in compliance with the License.
  *   You may obtain a copy of the License at
  *
  *       http://www.apache.org/licenses/LICENSE-2.0
  *
  *   Unless required by applicable law or agreed to in writing, software
  *   distributed under the License is distributed on an "AS IS" BASIS,
  *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *   See the License for the specific language governing permissions and
  *  limitations under the License.
  */

 package org.apache.xmlbeans.impl.store;

 import org.w3c.dom.CharacterData;
 import org.w3c.dom.*;

 import javax.xml.namespace.QName;
 import java.io.PrintStream;

 abstract class CharNode implements DomImpl.Dom, Node, CharacterData {

     public CharNode(Locale l) {
         assert l != null;

         _locale = l;
     }

     public QName getQName() {
         return null;
     }

     public Locale locale() {
         assert isValid();

         return _locale == null ? ((DomImpl.Dom) _src).locale() : _locale;
     }

     public void setChars(Object src, int off, int cch) {
         assert CharUtil.isValid(src, off, cch);
         assert (_locale != null || _src instanceof DomImpl.Dom);

         if (_locale == null) {
             _locale = ((DomImpl.Dom) _src).locale();
         }

         _src = src;
         _off = off;
         _cch = cch;
     }

     public DomImpl.Dom getDom() {
         assert isValid();

         if (_src instanceof DomImpl.Dom)
             return (DomImpl.Dom) _src;

         return null;
     }

     public void setDom(DomImpl.Dom d) {
         assert d != null;

         _src = d;
         _locale = null;
     }

     public Cur tempCur() {
         assert isValid();

         if (!(_src instanceof DomImpl.Dom))
             return null;

         Cur c = locale().tempCur();
         c.moveToCharNode(this);

         return c;
     }

     private boolean isValid() {
         return (_src instanceof DomImpl.Dom) == (_locale == null);

     }

     public static boolean isOnList(CharNode nodes, CharNode node) {
         assert node != null;

         for (CharNode cn = nodes; cn != null; cn = cn._next) {
             if (cn == node) {
                 return true;
             }
         }

         return false;
     }

     public static CharNode remove(CharNode nodes, CharNode node) {
         assert isOnList(nodes, node);

         if (nodes == node) {
             nodes = node._next;
         } else {
             node._prev._next = node._next;
         }

         if (node._next != null) {
             node._next._prev = node._prev;
         }

         node._prev = node._next = null;

         return nodes;
     }

     public static CharNode insertNode(CharNode nodes, CharNode newNode, CharNode before) {
         assert !isOnList(nodes, newNode);
         assert before == null || isOnList(nodes, before);
         assert newNode != null;
         assert newNode._prev == null && newNode._next == null;

         if (nodes == null) {
             assert before == null;
             nodes = newNode;
         } else if (nodes == before) {
             nodes._prev = newNode;
             newNode._next = nodes;
             nodes = newNode;
         } else {
             CharNode n = nodes;

             while (n._next != before)
                 n = n._next;

             if ((newNode._next = n._next) != null)
                 n._next._prev = newNode;

             newNode._prev = n;
             n._next = newNode;
         }

         return nodes;
     }

     public static CharNode appendNode(CharNode nodes, CharNode newNode) {
         return insertNode(nodes, newNode, null);
     }

     public static CharNode appendNodes(CharNode nodes, CharNode newNodes) {
         assert newNodes != null;
         assert newNodes._prev == null;

         if (nodes == null)
             return newNodes;

         CharNode n = nodes;

         while (n._next != null)
             n = n._next;

         n._next = newNodes;
         newNodes._prev = n;

         return nodes;
     }

     public static CharNode copyNodes(CharNode nodes, Object newSrc) {
         CharNode newNodes = null;

         for (CharNode n = null; nodes != null; nodes = nodes._next) {
             CharNode newNode;

             if (nodes instanceof TextNode)
                 newNode = nodes.locale().createTextNode();
             else
                 newNode = nodes.locale().createCdataNode();

             // How to deal with entity refs??

             newNode.setChars(newSrc, nodes._off, nodes._cch);

             if (newNodes == null)
                 newNodes = newNode;

             if (n != null) {
                 n._next = newNode;
                 newNode._prev = n;
             }

             n = newNode;
         }

         return newNodes;
     }

     public boolean nodeCanHavePrefixUri() {
         return false;
     }

     public boolean isNodeAftertext() {
         assert _src instanceof Xobj :
             "this method is to only be used for nodes backed up by Xobjs";
         Xobj src = (Xobj) _src;
         return src._charNodesValue == null ? true :
             src._charNodesAfter == null ? false :
                 CharNode.isOnList(src._charNodesAfter, this);
     }

     public void dump(PrintStream o, Object ref) {
         if (_src instanceof DomImpl.Dom)
             ((DomImpl.Dom) _src).dump(o, ref);
         else
             o.println("Lonely CharNode: \"" + CharUtil.getString(_src, _off, _cch) + "\"");
     }

     public void dump(PrintStream o) {
         dump(o, (Object) this);
     }

     public void dump() {
         dump(System.out);
     }

     public Node appendChild(Node newChild) {
         return DomImpl._node_appendChild(this, newChild);
     }

     public Node cloneNode(boolean deep) {
         return DomImpl._node_cloneNode(this, deep);
     }

     public NamedNodeMap getAttributes() {
         return null;
     }

     public NodeList getChildNodes() {
         return DomImpl._emptyNodeList;
     }

     public Node getParentNode() {
         return DomImpl._node_getParentNode(this);
     }

     public Node removeChild(Node oldChild) {
         return DomImpl._node_removeChild(this, oldChild);
     }

     public Node getFirstChild() {
         return null;
     }

     public Node getLastChild() {
         return null;
     }

     public String getLocalName() {
         return DomImpl._node_getLocalName(this);
     }

     public String getNamespaceURI() {
         return DomImpl._node_getNamespaceURI(this);
     }

     public Node getNextSibling() {
         return DomImpl._node_getNextSibling(this);
     }

     public String getNodeName() {
         return DomImpl._node_getNodeName(this);
     }

     public short getNodeType() {
         return DomImpl._node_getNodeType(this);
     }

     public String getNodeValue() {
         return DomImpl._node_getNodeValue(this);
     }

     public Document getOwnerDocument() {
         return DomImpl._node_getOwnerDocument(this);
     }

     public String getPrefix() {
         return DomImpl._node_getPrefix(this);
     }

     public Node getPreviousSibling() {
         return DomImpl._node_getPreviousSibling(this);
     }

     public boolean hasAttributes() {
         return false;
     }

     public boolean hasChildNodes() {
         return false;
     }

     public Node insertBefore(Node newChild, Node refChild) {
         return DomImpl._node_insertBefore(this, newChild, refChild);
     }

     public boolean isSupported(String feature, String version) {
         return DomImpl._node_isSupported(this, feature, version);
     }

     public void normalize() {
         DomImpl._node_normalize(this);
     }

     public Node replaceChild(Node newChild, Node oldChild) {
         return DomImpl._node_replaceChild(this, newChild, oldChild);
     }

     public void setNodeValue(String nodeValue) {
         DomImpl._node_setNodeValue(this, nodeValue);
     }

     public void setPrefix(String prefix) {
         DomImpl._node_setPrefix(this, prefix);
     }

     // DOM Level 3
     public Object getUserData(String key) {
         return DomImpl._node_getUserData(this, key);
     }

     public Object setUserData(String key, Object data, UserDataHandler handler) {
         return DomImpl._node_setUserData(this, key, data, handler);
     }

     public Object getFeature(String feature, String version) {
         return DomImpl._node_getFeature(this, feature, version);
     }

     public boolean isEqualNode(Node arg) {
         return DomImpl._node_isEqualNode(this, arg);
     }

     public boolean isSameNode(Node arg) {
         return DomImpl._node_isSameNode(this, arg);
     }

     public String lookupNamespaceURI(String prefix) {
         return DomImpl._node_lookupNamespaceURI(this, prefix);
     }

     public String lookupPrefix(String namespaceURI) {
         return DomImpl._node_lookupPrefix(this, namespaceURI);
     }

     public boolean isDefaultNamespace(String namespaceURI) {
         return DomImpl._node_isDefaultNamespace(this, namespaceURI);
     }

     public void setTextContent(String textContent) {
         DomImpl._node_setTextContent(this, textContent);
     }

     public String getTextContent() {
         return DomImpl._node_getTextContent(this);
     }

     public short compareDocumentPosition(Node other) {
         return DomImpl._node_compareDocumentPosition(this, other);
     }

     public String getBaseURI() {
         return DomImpl._node_getBaseURI(this);
     }

     public void appendData(String arg) {
         DomImpl._characterData_appendData(this, arg);
     }

     public void deleteData(int offset, int count) {
         DomImpl._characterData_deleteData(this, offset, count);
     }

     public String getData() {
         return DomImpl._characterData_getData(this);
     }

     public int getLength() {
         return DomImpl._characterData_getLength(this);
     }

     public void insertData(int offset, String arg) {
         DomImpl._characterData_insertData(this, offset, arg);
     }

     public void replaceData(int offset, int count, String arg) {
         DomImpl._characterData_replaceData(this, offset, count, arg);
     }

     public void setData(String data) {
         DomImpl._characterData_setData(this, data);
     }

     public String substringData(int offset, int count) {
         return DomImpl._characterData_substringData(this, offset, count);
     }

     Object getObject() {
         return _src;
     }

     private Locale _locale;

     CharNode _next;
     CharNode _prev;

     private Object _src;

     int _off;
     int _cch;
 }
	/* Copyright 2004 The Apache Software Foundation
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package org.apache.xmlbeans.impl.store;

	import org.w3c.dom.CharacterData;
	import org.w3c.dom.*;

	import javax.xml.namespace.QName;
	import java.io.PrintStream;

	abstract class CharNode implements DomImpl.Dom, Node, CharacterData {

	public CharNode(Locale l) {
	assert l != null;

	_locale = l;
	}

	public QName getQName() {
	return null;
	}

	public Locale locale() {
	assert isValid();

	return _locale == null ? ((DomImpl.Dom) _src).locale() : _locale;
	}

	public void setChars(Object src, int off, int cch) {
	assert CharUtil.isValid(src, off, cch);
	assert (_locale != null \|\| _src instanceof DomImpl.Dom);

	if (_locale == null) {
	_locale = ((DomImpl.Dom) _src).locale();
	}

	_src = src;
	_off = off;
	_cch = cch;
	}

	public DomImpl.Dom getDom() {
	assert isValid();

	if (_src instanceof DomImpl.Dom)
	return (DomImpl.Dom) _src;

	return null;
	}

	public void setDom(DomImpl.Dom d) {
	assert d != null;

	_src = d;
	_locale = null;
	}

	public Cur tempCur() {
	assert isValid();

	if (!(_src instanceof DomImpl.Dom))
	return null;

	Cur c = locale().tempCur();
	c.moveToCharNode(this);

	return c;
	}

	private boolean isValid() {
	return (_src instanceof DomImpl.Dom) == (_locale == null);

	}

	public static boolean isOnList(CharNode nodes, CharNode node) {
	assert node != null;

	for (CharNode cn = nodes; cn != null; cn = cn._next) {
	if (cn == node) {
	return true;
	}
	}

	return false;
	}

	public static CharNode remove(CharNode nodes, CharNode node) {
	assert isOnList(nodes, node);

	if (nodes == node) {
	nodes = node._next;
	} else {
	node._prev._next = node._next;
	}

	if (node._next != null) {
	node._next._prev = node._prev;
	}

	node._prev = node._next = null;

	return nodes;
	}

	public static CharNode insertNode(CharNode nodes, CharNode newNode, CharNode before) {
	assert !isOnList(nodes, newNode);
	assert before == null \|\| isOnList(nodes, before);
	assert newNode != null;
	assert newNode._prev == null && newNode._next == null;

	if (nodes == null) {
	assert before == null;
	nodes = newNode;
	} else if (nodes == before) {
	nodes._prev = newNode;
	newNode._next = nodes;
	nodes = newNode;
	} else {
	CharNode n = nodes;

	while (n._next != before)
	n = n._next;

	if ((newNode._next = n._next) != null)
	n._next._prev = newNode;

	newNode._prev = n;
	n._next = newNode;
	}

	return nodes;
	}

	public static CharNode appendNode(CharNode nodes, CharNode newNode) {
	return insertNode(nodes, newNode, null);
	}

	public static CharNode appendNodes(CharNode nodes, CharNode newNodes) {
	assert newNodes != null;
	assert newNodes._prev == null;

	if (nodes == null)
	return newNodes;

	CharNode n = nodes;

	while (n._next != null)
	n = n._next;

	n._next = newNodes;
	newNodes._prev = n;

	return nodes;
	}

	public static CharNode copyNodes(CharNode nodes, Object newSrc) {
	CharNode newNodes = null;

	for (CharNode n = null; nodes != null; nodes = nodes._next) {
	CharNode newNode;

	if (nodes instanceof TextNode)
	newNode = nodes.locale().createTextNode();
	else
	newNode = nodes.locale().createCdataNode();

	// How to deal with entity refs??

	newNode.setChars(newSrc, nodes._off, nodes._cch);

	if (newNodes == null)
	newNodes = newNode;

	if (n != null) {
	n._next = newNode;
	newNode._prev = n;
	}

	n = newNode;
	}

	return newNodes;
	}

	public boolean nodeCanHavePrefixUri() {
	return false;
	}

	public boolean isNodeAftertext() {
	assert _src instanceof Xobj :
	"this method is to only be used for nodes backed up by Xobjs";
	Xobj src = (Xobj) _src;
	return src._charNodesValue == null ? true :
	src._charNodesAfter == null ? false :
	CharNode.isOnList(src._charNodesAfter, this);
	}

	public void dump(PrintStream o, Object ref) {
	if (_src instanceof DomImpl.Dom)
	((DomImpl.Dom) _src).dump(o, ref);
	else
	o.println("Lonely CharNode: \"" + CharUtil.getString(_src, _off, _cch) + "\"");
	}

	public void dump(PrintStream o) {
	dump(o, (Object) this);
	}

	public void dump() {
	dump(System.out);
	}

	public Node appendChild(Node newChild) {
	return DomImpl._node_appendChild(this, newChild);
	}

	public Node cloneNode(boolean deep) {
	return DomImpl._node_cloneNode(this, deep);
	}

	public NamedNodeMap getAttributes() {
	return null;
	}

	public NodeList getChildNodes() {
	return DomImpl._emptyNodeList;
	}

	public Node getParentNode() {
	return DomImpl._node_getParentNode(this);
	}

	public Node removeChild(Node oldChild) {
	return DomImpl._node_removeChild(this, oldChild);
	}

	public Node getFirstChild() {
	return null;
	}

	public Node getLastChild() {
	return null;
	}

	public String getLocalName() {
	return DomImpl._node_getLocalName(this);
	}

	public String getNamespaceURI() {
	return DomImpl._node_getNamespaceURI(this);
	}

	public Node getNextSibling() {
	return DomImpl._node_getNextSibling(this);
	}

	public String getNodeName() {
	return DomImpl._node_getNodeName(this);
	}

	public short getNodeType() {
	return DomImpl._node_getNodeType(this);
	}

	public String getNodeValue() {
	return DomImpl._node_getNodeValue(this);
	}

	public Document getOwnerDocument() {
	return DomImpl._node_getOwnerDocument(this);
	}

	public String getPrefix() {
	return DomImpl._node_getPrefix(this);
	}

	public Node getPreviousSibling() {
	return DomImpl._node_getPreviousSibling(this);
	}

	public boolean hasAttributes() {
	return false;
	}

	public boolean hasChildNodes() {
	return false;
	}

	public Node insertBefore(Node newChild, Node refChild) {
	return DomImpl._node_insertBefore(this, newChild, refChild);
	}

	public boolean isSupported(String feature, String version) {
	return DomImpl._node_isSupported(this, feature, version);
	}

	public void normalize() {
	DomImpl._node_normalize(this);
	}

	public Node replaceChild(Node newChild, Node oldChild) {
	return DomImpl._node_replaceChild(this, newChild, oldChild);
	}

	public void setNodeValue(String nodeValue) {
	DomImpl._node_setNodeValue(this, nodeValue);
	}

	public void setPrefix(String prefix) {
	DomImpl._node_setPrefix(this, prefix);
	}

	// DOM Level 3
	public Object getUserData(String key) {
	return DomImpl._node_getUserData(this, key);
	}

	public Object setUserData(String key, Object data, UserDataHandler handler) {
	return DomImpl._node_setUserData(this, key, data, handler);
	}

	public Object getFeature(String feature, String version) {
	return DomImpl._node_getFeature(this, feature, version);
	}

	public boolean isEqualNode(Node arg) {
	return DomImpl._node_isEqualNode(this, arg);
	}

	public boolean isSameNode(Node arg) {
	return DomImpl._node_isSameNode(this, arg);
	}

	public String lookupNamespaceURI(String prefix) {
	return DomImpl._node_lookupNamespaceURI(this, prefix);
	}

	public String lookupPrefix(String namespaceURI) {
	return DomImpl._node_lookupPrefix(this, namespaceURI);
	}

	public boolean isDefaultNamespace(String namespaceURI) {
	return DomImpl._node_isDefaultNamespace(this, namespaceURI);
	}

	public void setTextContent(String textContent) {
	DomImpl._node_setTextContent(this, textContent);
	}

	public String getTextContent() {
	return DomImpl._node_getTextContent(this);
	}

	public short compareDocumentPosition(Node other) {
	return DomImpl._node_compareDocumentPosition(this, other);
	}

	public String getBaseURI() {
	return DomImpl._node_getBaseURI(this);
	}

	public void appendData(String arg) {
	DomImpl._characterData_appendData(this, arg);
	}

	public void deleteData(int offset, int count) {
	DomImpl._characterData_deleteData(this, offset, count);
	}

	public String getData() {
	return DomImpl._characterData_getData(this);
	}

	public int getLength() {
	return DomImpl._characterData_getLength(this);
	}

	public void insertData(int offset, String arg) {
	DomImpl._characterData_insertData(this, offset, arg);
	}

	public void replaceData(int offset, int count, String arg) {
	DomImpl._characterData_replaceData(this, offset, count, arg);
	}

	public void setData(String data) {
	DomImpl._characterData_setData(this, data);
	}

	public String substringData(int offset, int count) {
	return DomImpl._characterData_substringData(this, offset, count);
	}

	Object getObject() {
	return _src;
	}

	private Locale _locale;

	CharNode _next;
	CharNode _prev;

	private Object _src;

	int _off;
	int _cch;
	}