org.eclipse.wst.xsl.xalan.debugger.XalanRootStyleFrame.java Source code

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Here is the source code for org.eclipse.wst.xsl.xalan.debugger.XalanRootStyleFrame.java

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/*******************************************************************************
 * Copyright (c) 2007 Chase Technology Ltd - http://www.chasetechnology.co.uk
 * 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:
 *     Doug Satchwell (Chase Technology Ltd) - initial API and implementation
 *******************************************************************************/
package org.eclipse.wst.xsl.xalan.debugger;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Vector;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.xalan.templates.ElemVariable;
import org.apache.xalan.templates.StylesheetRoot;
import org.apache.xalan.trace.TracerEvent;
import org.apache.xpath.VariableStack;
import org.eclipse.wst.xsl.jaxp.debug.debugger.Variable;

public class XalanRootStyleFrame extends XalanStyleFrame {
    private static final Log log = LogFactory.getLog(XalanRootStyleFrame.class);
    private Map variables;
    private ArrayList globals;

    public XalanRootStyleFrame(TracerEvent event) {
        super(null, event);
        fillGlobals(event);
    }

    protected List getGlobals() {
        return globals;
    }

    private void fillGlobals(TracerEvent event) {
        VariableStack vs = event.m_processor.getXPathContext().getVarStack();
        StylesheetRoot sr = event.m_styleNode.getStylesheetRoot();
        Vector vars = sr.getVariablesAndParamsComposed();
        variables = new HashMap(vars.size());
        globals = new ArrayList(vars.size());
        int i = vars.size();
        while (--i >= 0) {
            ElemVariable variable = (ElemVariable) vars.elementAt(i);
            XalanVariable xvar = new XalanVariable(this, vs, Variable.GLOBAL_SCOPE, i, variable);
            addVariable(xvar);
            globals.add(xvar);
        }
    }

    /**
     * Gets a Variable by ID
     * @since 1.0
     */
    public Variable getVariable(int id) {
        //      log.debug("Getting variable with id "+id+" from variables "+variables.size());
        return (Variable) variables.get(new Integer(id));
    }

    public void addVariable(XalanVariable xvar) {
        //      log.debug("Adding variable index="+xvar.getSlotNumber()+" val="+xvar);
        //      variables.add(xvar.getSlotNumber(),xvar);
        log.debug("Adding variable id=" + xvar.getId());
        variables.put(new Integer(xvar.getId()), xvar);
    }
}