/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* Portions Copyright Apache Software Foundation.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
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*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
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*
* If you wish your version of this file to be governed by only the CDDL or
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*/
package org.apache.jasper.compiler;
import org.xml.sax.Attributes;
import org.apache.jasper.JasperException;
class Dumper {
static class DumpVisitor extends Node.Visitor {
private int indent = 0;
private String getAttributes(Attributes attrs) {
if (attrs == null)
return "";
StringBuffer buf = new StringBuffer();
for (int i=0; i < attrs.getLength(); i++) {
buf.append(" " + attrs.getQName(i) + "=\""
+ attrs.getValue(i) + "\"");
}
return buf.toString();
}
private void printString(String str) {
printIndent();
System.out.print(str);
}
private void printString(String prefix, char[] chars, String suffix) {
String str = null;
if (chars != null) {
str = new String(chars);
}
printString(prefix, str, suffix);
}
private void printString(String prefix, String str, String suffix) {
printIndent();
if (str != null) {
System.out.print(prefix + str + suffix);
} else {
System.out.print(prefix + suffix);
}
}
private void printAttributes(String prefix, Attributes attrs,
String suffix) {
printString(prefix, getAttributes(attrs), suffix);
}
private void dumpBody(Node n) throws JasperException {
Node.Nodes page = n.getBody();
if (page != null) {
// indent++;
page.visit(this);
// indent--;
}
}
public void visit(Node.PageDirective n) throws JasperException {
printAttributes("<%@ page", n.getAttributes(), "%>");
}
public void visit(Node.TaglibDirective n) throws JasperException {
printAttributes("<%@ taglib", n.getAttributes(), "%>");
}
public void visit(Node.IncludeDirective n) throws JasperException {
printAttributes("<%@ include", n.getAttributes(), "%>");
dumpBody(n);
}
public void visit(Node.Comment n) throws JasperException {
printString("<%--", n.getText(), "--%>");
}
public void visit(Node.Declaration n) throws JasperException {
printString("<%!", n.getText(), "%>");
}
public void visit(Node.Expression n) throws JasperException {
printString("<%=", n.getText(), "%>");
}
public void visit(Node.Scriptlet n) throws JasperException {
printString("<%", n.getText(), "%>");
}
public void visit(Node.IncludeAction n) throws JasperException {
printAttributes("<jsp:include", n.getAttributes(), ">");
dumpBody(n);
printString("</jsp:include>");
}
public void visit(Node.ForwardAction n) throws JasperException {
printAttributes("<jsp:forward", n.getAttributes(), ">");
dumpBody(n);
printString("</jsp:forward>");
}
public void visit(Node.GetProperty n) throws JasperException {
printAttributes("<jsp:getProperty", n.getAttributes(), "/>");
}
public void visit(Node.SetProperty n) throws JasperException {
printAttributes("<jsp:setProperty", n.getAttributes(), ">");
dumpBody(n);
printString("</jsp:setProperty>");
}
public void visit(Node.UseBean n) throws JasperException {
printAttributes("<jsp:useBean", n.getAttributes(), ">");
dumpBody(n);
printString("</jsp:useBean>");
}
public void visit(Node.PlugIn n) throws JasperException {
printAttributes("<jsp:plugin", n.getAttributes(), ">");
dumpBody(n);
printString("</jsp:plugin>");
}
public void visit(Node.ParamsAction n) throws JasperException {
printAttributes("<jsp:params", n.getAttributes(), ">");
dumpBody(n);
printString("</jsp:params>");
}
public void visit(Node.ParamAction n) throws JasperException {
printAttributes("<jsp:param", n.getAttributes(), ">");
dumpBody(n);
printString("</jsp:param>");
}
public void visit(Node.NamedAttribute n) throws JasperException {
printAttributes("<jsp:attribute", n.getAttributes(), ">");
dumpBody(n);
printString("</jsp:attribute>");
}
public void visit(Node.JspBody n) throws JasperException {
printAttributes("<jsp:body", n.getAttributes(), ">");
dumpBody(n);
printString("</jsp:body>");
}
public void visit(Node.ELExpression n) throws JasperException {
printString( n.getText());
}
public void visit(Node.CustomTag n) throws JasperException {
printAttributes("<" + n.getQName(), n.getAttributes(), ">");
dumpBody(n);
printString("</" + n.getQName() + ">");
}
public void visit(Node.UninterpretedTag n) throws JasperException {
String tag = n.getQName();
printAttributes("<"+tag, n.getAttributes(), ">");
dumpBody(n);
printString("</" + tag + ">");
}
public void visit(Node.TemplateText n) throws JasperException {
printString(n.getText());
}
private void printIndent() {
for (int i=0; i < indent; i++) {
System.out.print(" ");
}
}
}
public static void dump(Node n) {
try {
n.accept(new DumpVisitor());
} catch (JasperException e) {
e.printStackTrace();
}
}
public static void dump(Node.Nodes page) {
try {
page.visit(new DumpVisitor());
} catch (JasperException e) {
e.printStackTrace();
}
}
}
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