SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// 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 java.util;

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

/**
 * Represents the category of the conversion.
 *
 * @since 2018/09/29
 */
enum __PrintFCategory__
{
    /** General. */
    GENERAL,
    
    /** Character. */
    CHARACTER,
    
    /** Integral. */
    INTEGRAL,
    
    /** Floating point. */
    FLOATING_POINT,
    
    /** Date/Time. */
    DATE_TIME,
    
    /** Percent. */
    PERCENT,
    
    /** Line Separator. */
    LINE_SEPARATOR,
    
    /** End. */
    ;
    
    /**
     * Is the specified flag valid?
     *
     * @param __f The flag to check.
     * @return If it is valid.
     * @throws NullPointerException On null arguments.
     * @since 2018/09/29
     */
    final boolean __hasFlag(__PrintFFlag__ __f)
        throws NullPointerException
    {
        if (__f == null)
            throw new NullPointerException("NARG");
        
        switch (this)
        {
                // May only be left justified
            case CHARACTER:
            case DATE_TIME:
            case GENERAL:
                return __f == __PrintFFlag__.LEFT_JUSTIFIED;
                
                // Anything is valid
            case INTEGRAL:
                return true;
                
                // Not valid at all
            case PERCENT:
            case LINE_SEPARATOR:
                return false;
                
            default:
                throw Debugging.oops();
        }
    }
    
    /**
     * Is the precision valid?
     *
     * @return Is the precision valid?
     * @since 2018/09/29
     */
    final boolean __hasPrecision()
    {
        switch (this)
        {
            case GENERAL:
            case FLOATING_POINT:
                return true;
            
            default:
                return false;
        }
    }
    
    /**
     * Is the width valid?
     *
     * @return If the width is valid.
     * @since 2018/09/29
     */
    final boolean __hasWidth()
    {
        return this != __PrintFCategory__.LINE_SEPARATOR;
    }
}