SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// Multi-Phasic Applications: SquirrelJME
//     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
// ---------------------------------------------------------------------------
// SquirrelJME is under the Mozilla Public License Version 2.0.
// See license.mkd for licensing and copyright information.
// ---------------------------------------------------------------------------

package cc.squirreljme.jdwp;

import cc.squirreljme.runtime.cldc.debug.Debugging;
import cc.squirreljme.runtime.cldc.util.IntegerArrayList;

/**
 * Contains all the ID sizes for the JDWP protocol.
 *
 * @since 2024/01/22
 */
public final class JDWPIdSizes
{
    /** All the various sizes. */
    private final int[] _sizes;
    
    /**
     * Initializes the ID sizes.
     *
     * @param __sizes The sizes used.
     * @throws IllegalArgumentException If the size length is not valid.
     * @throws NullPointerException On null arguments.
     * @since 2024/01/22
     */
    public JDWPIdSizes(int... __sizes)
        throws IllegalArgumentException, NullPointerException
    {
        if (__sizes == null)
            throw new NullPointerException("NARG");
        if (__sizes.length != JDWPIdKind.NUM_KINDS)
            throw new IllegalArgumentException("IOOB");
        
        // Normalize everything
        JDWPIdKind[] kinds = JDWPIdKind.values();
        int[] normalized = new int[kinds.length];
        System.arraycopy(__sizes, 0,
            normalized, 0, JDWPIdKind.NUM_KINDS);
        
        // Normalize some sizes that are aliases
        for (JDWPIdKind kind : kinds)
            if (kind.position < 0)
                normalized[kind.ordinal()] =
                    normalized[JDWPIdKind.invert(kind.position)];
        
        // Store sizes
        this._sizes = normalized;
    }
    
    /**
     * Returns the size of the given type.
     *
     * @param __idSize The identifier size used.
     * @return The resultant size.
     * @throws NullPointerException On null arguments.
     * @since 2024/01/22
     */
    public int getSize(JDWPIdKind __idSize)
        throws NullPointerException
    {
        if (__idSize == null)
            throw new NullPointerException("NARG");
        
        return this._sizes[__idSize.ordinal()];
    }
    
    /**
     * Returns the size of the given type.
     *
     * @param __idSize The identifier size used.
     * @return The resultant size.
     * @throws IndexOutOfBoundsException If the kind is not valid.
     * @since 2024/01/22
     */
    public int getSize(int __idSize)
        throws IndexOutOfBoundsException
    {
        if (__idSize < 0 || __idSize >= JDWPIdKind.NUM_KINDS)
            throw new IndexOutOfBoundsException("IOOB");
        
        return this._sizes[__idSize];
    }
    
    /**
     * {@inheritDoc}
     * @since 2024/01/23
     */
    @Override
    public String toString()
    {
        return new IntegerArrayList(this._sizes).toString();
    }
}