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The coolest XML library for Java around. Define typesafe views (projections) to xml. Use XPath to read and write XML. Bind XML to Java collections. Requires at least Java6, supports Java8 features and has no further runtime dependencies.
/*
Copyright (c) 2005 W3C(r) (http://www.w3.org/) (MIT (http://www.lcs.mit.edu/),
INRIA (http://www.inria.fr/), Keio (http://www.keio.ac.jp/)),
All Rights Reserved.
See http://www.w3.org/Consortium/Legal/ipr-notice-20000612#Copyright.
W3C liability
(http://www.w3.org/Consortium/Legal/ipr-notice-20000612#Legal_Disclaimer),
trademark
(http://www.w3.org/Consortium/Legal/ipr-notice-20000612#W3C_Trademarks),
document use
(http://www.w3.org/Consortium/Legal/copyright-documents-19990405),
and software licensing rules
(http://www.w3.org/Consortium/Legal/copyright-software-19980720)
apply.
*/
package org.xmlbeam.util.intern.duplex;
import java.util.List;
import org.xmlbeam.util.intern.DOMHelper;
class SimpleNode implements Node {
/**
* Sometimes it's useful to not process all steps.
*
* @author sven
*/
public interface StepListFilter {
/**
* @param children
* @return filtered list of child nodes.
*/
List filter(SimpleNode[] children);
};
private Node parent;
private SimpleNode[] children;
final int id;
private final XParser parser;
public int beginLine, beginColumn, endLine, endColumn;
public SimpleNode(final XParser p, final int i) {
id = i;
parser = p;
}
// Factory method
// public static Node jjtCreate(final XParser p, final int id) {
// return new SimpleNode(p, id);
// }
@Override
public void jjtOpen() {
beginLine = parser.token.beginLine;
beginColumn = parser.token.beginColumn;
}
@Override
public void jjtClose() {
endLine = parser.token.endLine;
endColumn = parser.token.endColumn;
}
@Override
public void jjtSetParent(final Node n) {
parent = n;
}
@Override
public Node jjtGetParent() {
return parent;
}
@Override
public void jjtAddChild(final Node n, final int i) {
if ((id == XParserTreeConstants.JJTNCNAME) && (((SimpleNode) n).id == XParserTreeConstants.JJTQNAME)) {
m_value = ((SimpleNode) n).m_value;
if (m_value.indexOf(':') >= 0) {
throw new PostParseException("Parse Error: NCName can not contain ':'!");
}
return;
}
// Don't expose the functionQName as a child of a QName!
else if ((id == XParserTreeConstants.JJTQNAME) && (((SimpleNode) n).id == XParserTreeConstants.JJTFUNCTIONQNAME)) {
m_value = ((SimpleNode) n).m_value;
return;
}
if (children == null) {
children = new SimpleNode[i + 1];
} else if (i >= children.length) {
SimpleNode c[] = new SimpleNode[i + 1];
System.arraycopy(children, 0, c, 0, children.length);
children = c;
}
children[i] = (SimpleNode) n;
}
@Override
public Node jjtGetChild(final int i) {
return children[i];
}
@Override
public int jjtGetNumChildren() {
return (children == null) ? 0 : children.length;
}
/** Accept the visitor. * */
@Override
public Object jjtAccept(final XParserVisitor visitor, final org.w3c.dom.Node data) {
return visitor.visit(this, data);
}
/*
* public List allChildrenAccept(final INodeEvaluationVisitor visitor, final
* org.w3c.dom.Node target) { org.w3c.dom.Node result = target; for (SimpleNode child :
* children) { result = ((List) child.jjtAccept(visitor, result)).get(0); }
* return DOMHelper.asList(result); }
*/
/*
* public org.w3c.dom.Node allButNotLastChildrenAccept(final INodeEvaluationVisitor visitor,
* final org.w3c.dom.Node target) { org.w3c.dom.Node result = target; for (int i = 0; i <
* (children.length - 1); ++i) { result = (org.w3c.dom.Node) children[i].jjtAccept(visitor,
* result); } return result; }
*/
/**
* Accept the visitor. *
*
* @param visitor
* @param data
* @return evaluation result: Boolean, List, Number or Node
**/
public Object childrenAccept(final XParserVisitor visitor, final org.w3c.dom.Node data) {
org.w3c.dom.Node result = data;
if (children != null) {
for (int i = 0; i < children.length; ++i) {
Object newResult = (children[i].jjtAccept(visitor, result));
if (Boolean.FALSE.equals(newResult)) { // Boolean end early exit
return Boolean.FALSE;
}
if (Boolean.TRUE.equals(newResult)) { // No early exit yet
if ((i + 1) == children.length) {
return Boolean.TRUE;
}
continue;
}
if (newResult instanceof List) {
newResult = ((List) newResult).isEmpty() ? null : ((List) newResult).get(0);
}
if (newResult instanceof Number) {
return newResult;
}
result = (org.w3c.dom.Node) newResult; // proceed step expression
if (result==null) {
break; // nothing can be found any more
}
}
}
return DOMHelper.asList(result);
}
public Object firstChildAccept(final XParserVisitor visitor, final org.w3c.dom.Node data) {
assert children.length > 0 : "No child found for node " + this;
return children[0].jjtAccept(visitor, data);
}
public Object secondChildAccept(final XParserVisitor visitor, final org.w3c.dom.Node data) {
assert children.length > 1 : "No second child found for node " + this;
return children[1].jjtAccept(visitor, data);
}
/*
* You can override these two methods in subclasses of SimpleNode to customize the way the node
* appears when the tree is dumped. If your output uses more than one line you should override
* toString(String), otherwise overriding toString() is probably all you need to do.
*/
@Override
public String toString() {
return XParserTreeConstants.jjtNodeName[id];
}
public String toString(final String prefix) {
return prefix + toString();
}
/*
* Override this method if you want to customize how the node dumps out its children.
*/
public void dump(final String prefix) {
dump(prefix, System.out);
}
public void dump(final String prefix, final java.io.PrintStream ps) {
ps.print(toString(prefix));
printValue(ps);
ps.print(" [" + firstToken.beginLine + ":" + firstToken.beginColumn + "-" + lastToken.endLine + ":" + lastToken.endColumn + "]");
ps.println();
if (children != null) {
for (int i = 0; i < children.length; ++i) {
SimpleNode n = children[i];
if (n != null) {
n.dump(prefix + " ", ps);
}
}
}
}
// Manually inserted code begins here
private String m_value;
private Token firstToken;
private Token lastToken;
public void processToken(final Token t) {
m_value = t.image;
}
public void processValue(final String val) {
m_value = val;
}
public void printValue(final java.io.PrintStream ps) {
if (null != m_value) {
ps.print(" \"" + m_value + "\"");
}
}
public String getValue() {
return m_value;
}
public void setValue(final String m_value) {
this.m_value = m_value;
}
// private Object _userValue;
//
// protected Object getUserValue() {
// return _userValue;
// }
//
// protected void setUserValue(final Object userValue) {
// _userValue = userValue;
// }
public int getID() {
return id;
}
/*
* public Object childrenFilteredAccept(final XParserVisitor visitor, final int filterID, final
* org.w3c.dom.Node data) { org.w3c.dom.Node result = data; if (children != null) { for (int i =
* 0; i < children.length; ++i) { if (children[i].getID() == filterID) { result =
* (org.w3c.dom.Node) children[i].jjtAccept(visitor, result); } } } return result; }
*/
public SimpleNode getFirstChildWithId(final int id) {
if (children != null) {
for (int i = 0; i < children.length; ++i) {
if (children[i].getID() == id) {
return children[i];
}
}
}
return null;
}
public T firstChildAccept(final INodeEvaluationVisitor visitor, final org.w3c.dom.Node data) {
if (children.length < 1) {
throw new IllegalArgumentException("Node " + this + " is supposed to have children");
}
return visitor.visit(children[0], data);
}
public T lastChildAccept(final INodeEvaluationVisitor visitor, final org.w3c.dom.Node data) {
if (children.length < 1) {
throw new IllegalArgumentException("Node " + this + " is supposed to have children");
}
return visitor.visit(children[children.length - 1], data);
}
/**
* @param visitorClosure
* @param data
*/
public void eachDirectChild(final org.xmlbeam.util.intern.duplex.INodeEvaluationVisitor.VisitorClosure visitorClosure, final org.w3c.dom.Node data) {
if (children == null) {
return;
}
for (SimpleNode child : children) {
visitorClosure.apply(child, data);
}
}
public void eachChild(final org.xmlbeam.util.intern.duplex.INodeEvaluationVisitor.VisitorClosure visitorClosure, final org.w3c.dom.Node data) {
if (children == null) {
return;
}
for (SimpleNode child : children) {
visitorClosure.apply(child, data);
child.eachChild(visitorClosure, data);
}
}
/**
* @param visitor
* @param data
* @param stepListFilter
* @return a List containing the selection results
*/
@SuppressWarnings("unchecked")
public List childrenAcceptWithFilter(final XParserVisitor visitor, final org.w3c.dom.Node data, final StepListFilter stepListFilter) {
if (stepListFilter == null) {
return (List) childrenAccept(visitor, data);
}
List filteredChildren = stepListFilter.filter(children);
org.w3c.dom.Node result = data;
for (Node child : filteredChildren) {
Object newResult = (child.jjtAccept(visitor, result));
if (newResult instanceof List) {
newResult = ((List) newResult).isEmpty() ? null : ((List) newResult).get(0);
}
result = (org.w3c.dom.Node) newResult; // proceed step expression
}
return DOMHelper.asList(result);
}
/**
* @param token
*/
void jjtSetFirstToken(final Token token) {
this.firstToken = token;
}
/**
* @param token
*/
void jjtSetLastToken(final Token token) {
this.lastToken = token;
}
public int getStartColumn() {
return firstToken.beginColumn - 1;
}
public int getEndColumn() {
return lastToken.endColumn - 1;
}
}