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* Licensed to the Apache Software Foundation (ASF) under one
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
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*
*   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.openoffice.ooxml.parser;

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

public class TransitionTable
{
    public TransitionTable (final Vector<String[]> aData)
    {
        maTransitions = new HashMap<>();

        for (final String[] aLine : aData)
        {
            // Create new transition.
            final int nStartStateId = Integer.parseInt(aLine[1]);
            final int nEndStateId = Integer.parseInt(aLine[2]);
            final int nElementPrefixId = Integer.parseInt(aLine[3]);
            final int nElementLocalId = Integer.parseInt(aLine[4]);
            final int nElementStateId = Integer.parseInt(aLine[5]);
            final Transition aTransition = new Transition(
                nStartStateId,
                nEndStateId,
                (nElementPrefixId<<16) | nElementLocalId,
                nElementStateId);

            Map<Integer,Transition> aPerElementTransitions = maTransitions.get(aTransition.GetStartStateId());
            if (aPerElementTransitions == null)
            {
                aPerElementTransitions = new HashMap<>();
                maTransitions.put(aTransition.GetStartStateId(), aPerElementTransitions);
            }
            aPerElementTransitions.put(aTransition.GetElementId(), aTransition);
        }
    }




    public Transition GetTransition (
        final int nStateId,
        final int nPrefixId,
        final int nLocalId)
    {
        Map<Integer,Transition> aPerElementTransitions = maTransitions.get(nStateId);
        if (aPerElementTransitions == null)
            return null;
        else
            return aPerElementTransitions.get((nPrefixId<<16) | nLocalId);
    }




    public int GetTransitionCount ()
    {
        return maTransitions.size();
    }




    private final Map<Integer,Map<Integer,Transition>> maTransitions;
}