/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.query.processor.xml;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
/**
*
*/
public class XMLProgramUtil {
public static Map<Class<?>, List<ProcessorInstruction>> getProgramStats(Program program) {
HashMap<Class<?>, List<ProcessorInstruction>> map = new HashMap<Class<?>, List<ProcessorInstruction>>();
getProgramStats(program, map);
return map;
}
private static Map<Class<?>, List<ProcessorInstruction>> getProgramStats(Program program, Map<Class<?>, List<ProcessorInstruction>> map) {
Program childProgram = null;
if (program == null) {
return map;
}
for (int i = 0; i < program.getProcessorInstructions().size(); i++) {
ProcessorInstruction inst = program.getInstructionAt(i);
if (inst instanceof WhileInstruction) {
WhileInstruction whileInst = (WhileInstruction)inst;
childProgram = whileInst.getBlockProgram();
getProgramStats(childProgram, map);
}
else if (inst instanceof IfInstruction) {
IfInstruction ifInst = (IfInstruction)inst;
getProgramStats(ifInst.getElseProgram(), map);
for (int then = 0; then < ifInst.getThenCount(); then++) {
childProgram = ifInst.getThenProgram(then);
Condition condition = ifInst.getThenCondition(then);
if (!(condition instanceof RecurseProgramCondition)) {
getProgramStats(childProgram, map);
}
}
}
List<ProcessorInstruction> instrs = map.get(inst.getClass());
if (instrs == null) {
instrs = new LinkedList<ProcessorInstruction>();
map.put(inst.getClass(), instrs);
}
instrs.add(inst);
}
return map;
}
}