1 /*

     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 *

     5 * Redistribution and use in source and binary forms, with or without

     6 * modification, are permitted provided that the following conditions are met:

     7 *

     8 * - Redistributions of source code must retain the above copyright notice,

     9 *   this list of conditions and the following disclaimer.

    10 * - Redistributions in binary form must reproduce the above copyright notice,

    11 *   this list of conditions and the following disclaimer in the documentation

    12 *   and/or other materials provided with the distribution.

    13 * - Neither the name of Nokia Corporation nor the names of its contributors

    14 *   may be used to endorse or promote products derived from this software

    15 *   without specific prior written permission.

    16 *

    17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    18 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

    20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    21 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

    25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

    26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    27 * POSSIBILITY OF SUCH DAMAGE.

    28 * 

    29 * Initial Contributors:

    30 * Nokia Corporation - initial contribution.

    31 *

    32 * Contributors:

    33 *

    34 * Description: 

    35 *

    36 */

    37 

    38 using System;

    39 using System.Collections.Generic;

    40 using System.Text;

    41 

    42 namespace HeapLib.Cells.Descriptors

    43 {

    44     public class DescriptorInfo

    45     {

    46         #region Constructors & destructor

    47         internal DescriptorInfo( HeapCell aCell )

    48             : this( aCell, false )

    49         {

    50         }

    51 

    52         internal DescriptorInfo( HeapCell aCell, bool aIsUnicode )

    53         {

    54             iCell = aCell;

    55             iType = DescriptorType( aCell );

    56             iIsUnicode = aIsUnicode;

    57         }

    58         #endregion

    59 

    60         #region API

    61         public static HeapCell.TDescriptorType DescriptorType( HeapCell aCell )

    62         {

    63             HeapCell.TDescriptorType ret = HeapCell.TDescriptorType.EUnknown;

    64             //

    65             int type = (int) ( aCell.PossibleVTableAddress >> KDescriptorTypeShiftCount );

    66             if ( type >= (int) HeapCell.TDescriptorType.EBufC && type < (int) HeapCell.TDescriptorType.EUnknown )

    67             {

    68                 ret = (HeapCell.TDescriptorType) type;

    69             }

    70             //

    71             return ret;

    72         }

    73         #endregion

    74 

    75         #region Properties

    76         public bool IsUnicode

    77         {

    78             get { return iIsUnicode; }

    79             set { iIsUnicode = value; }

    80         }

    81 

    82         public string Text

    83         {

    84             get { return iText; }

    85             set { iText = value; }

    86         }

    87 

    88         public int Length

    89         {

    90             get { return iText.Length; }

    91         }

    92 

    93         public HeapCell.TDescriptorType Type

    94         {

    95             get { return iType; }

    96             set

    97             {

    98                 iType = value;

    99             }

   100         }

   101         #endregion

   102 

   103         #region Internal constants

   104         private const int KDescriptorTypeShiftCount = 28;

   105         #endregion

   106 

   107         #region Data members

   108         private readonly HeapCell iCell;

   109         private bool iIsUnicode = false;

   110         private HeapCell.TDescriptorType iType = HeapCell.TDescriptorType.EUnknown;

   111         private string iText = string.Empty;

   112         #endregion

   113     }

   114 }