1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 using System;

    19 using System.Collections.Generic;

    20 using System.IO;

    21 using System.Text;

    22 using SymbianUtils.BasicTypes;

    23 using SymbianETMLib.Common.Types;

    24 using SymbianETMLib.Common.Exception;

    25 

    26 namespace SymbianETMLib.Common.Buffer

    27 {

    28     public abstract class ETBufferBase

    29     {

    30         #region Constructors

    31         protected ETBufferBase()

    32         {

    33         }

    34 

    35         protected ETBufferBase( string aFileName )

    36         {

    37             byte[] buffer = File.ReadAllBytes( aFileName );

    38             AddRange( buffer );

    39         }

    40         #endregion

    41 

    42         #region API

    43         public void Clear()

    44         {

    45             iData.Clear();

    46         }

    47 

    48         public void AddRange( IEnumerable<byte> aBytes )

    49         {

    50             iData.AddRange( aBytes );

    51         }

    52 

    53         public void PushBack( SymByte aByte )

    54         {

    55             iData.Insert( 0, aByte.Value );

    56         }

    57 

    58         public SymByte Dequeue()

    59         {

    60             if ( IsEmpty )

    61             {

    62                 throw new ETMException( "ERROR - buffer is empty" );

    63             }

    64             //

    65             byte head = iData[ 0 ];

    66             iData.RemoveAt( 0 );

    67             return new SymByte( head );

    68         }

    69         #endregion

    70 

    71         #region Properties

    72         public bool IsEmpty

    73         {

    74             get { return iData.Count == 0; }

    75         }

    76 

    77         public int Count

    78         {

    79             get { return iData.Count; }

    80         }

    81         #endregion

    82 

    83         #region Internal methods

    84         protected List<byte> Data

    85         {

    86             get { return iData; }

    87             set { iData = value; }

    88         }

    89         #endregion

    90 

    91         #region Data members

    92         List<byte> iData = new List<byte>();

    93         #endregion

    94     }

    95 }