emulators/springcoat-vm/src/main/java/cc/squirreljme/vm/springcoat/SpringArrayObjectBoolean.java

   1 // -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
   2 // ---------------------------------------------------------------------------
   3 // SquirrelJME
   4 //     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
   5 // ---------------------------------------------------------------------------
   6 // SquirrelJME is under the GNU General Public License v3+, or later.
   7 // See license.mkd for licensing and copyright information.
   8 // ---------------------------------------------------------------------------
   9
  10 package cc.squirreljme.vm.springcoat;
  11
  12 import cc.squirreljme.vm.springcoat.exceptions.SpringArrayIndexOutOfBoundsException;
  13 import cc.squirreljme.vm.springcoat.exceptions.SpringArrayStoreException;
  14 import cc.squirreljme.vm.springcoat.exceptions.SpringNegativeArraySizeException;
  15
  16 /**
  17  * Array backed by a boolean array.
  18  *
  19  * @since 2018/11/14
  20  */
  21 public final class SpringArrayObjectBoolean
  22         extends SpringArrayObject
  23 {
  24         /** Elements in the array. */
  25         private final boolean[] _elements;
  26
  27         /**
  28          * Initializes the array.
  29          *
  30          * @param __self The self type.
  31          * @param __l The array length.
  32          * @throws NullPointerException On null arguments.
  33          * @throws SpringNegativeArraySizeException If the array size is negative.
  34          * @since 2018/11/14
  35          */
  36         public SpringArrayObjectBoolean(SpringClass __self, int __l)
  37                 throws NullPointerException
  38         {
  39                 super(__self, __l);
  40
  41                 // Initialize elements
  42                 this._elements = new boolean[__l];
  43         }
  44
  45         /**
  46          * Wraps the native array.
  47          *
  48          * @param __self The self type.
  49          * @param __a The array to wrap.
  50          * @throws NullPointerException On null arguments.
  51          * @since 2018/11/18
  52          */
  53         public SpringArrayObjectBoolean(SpringClass __self, boolean[] __a)
  54                 throws NullPointerException
  55         {
  56                 super(__self, __a.length);
  57
  58                 this._elements = __a;
  59         }
  60
  61         /**
  62          * {@inheritDoc}
  63          * @since 2018/11/19
  64          */
  65         @Override
  66         public final boolean[] array()
  67         {
  68                 return this._elements;
  69         }
  70
  71         /**
  72          * {@inheritDoc}
  73          * @since 2018/11/14
  74          */
  75         @Override
  76         public final <C> C get(Class<C> __cl, int __dx)
  77                 throws NullPointerException, SpringArrayIndexOutOfBoundsException
  78         {
  79                 // Read value
  80                 try
  81                 {
  82                         return (C)Integer.valueOf((this._elements[__dx] ? 1 : 0));
  83                 }
  84
  85                 // {@squirreljme.error BK02 Out of bounds access to array. (The index;
  86                 // The length of the array)}
  87                 catch (IndexOutOfBoundsException e)
  88                 {
  89                         throw new SpringArrayIndexOutOfBoundsException(
  90                                 String.format("BK02 %d %d", __dx, this.length), e);
  91                 }
  92         }
  93
  94         /**
  95          * {@inheritDoc}
  96          * @since 2018/11/14
  97          */
  98         @Override
  99         public final void set(int __dx, Object __v)
 100                 throws SpringArrayStoreException, SpringArrayIndexOutOfBoundsException
 101         {
 102                 // Try setting
 103                 try
 104                 {
 105                         boolean v;
 106                         if (__v instanceof Integer)
 107                                 v = (((int)__v) & 0x1) != 0;
 108                         else
 109                                 v = ((boolean)__v);
 110
 111                         this._elements[__dx] = v;
 112                 }
 113
 114                 // {@squirreljme.error BK03 Could not set the index in the boolean
 115                 // array.}
 116                 catch (ClassCastException e)
 117                 {
 118                         throw new SpringArrayStoreException("BK03", e);
 119                 }
 120
 121                 // {@squirreljme.error BK04 Out of bounds access to array. (The index;
 122                 // The length of the array)}
 123                 catch (IndexOutOfBoundsException e)
 124                 {
 125                         throw new SpringArrayIndexOutOfBoundsException(
 126                                 String.format("BK04 %d %d", __dx, this.length), e);
 127                 }
 128         }
 129 }
 130