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.IO;

    40 using System.Text;

    41 using System.Collections;

    42 using SymbianUtils;

    43 using HeapLib.Cells;

    44 using HeapLib.Array;

    45 using HeapLib.Reconstructor;

    46 

    47 namespace HeapLib

    48 {

    49 	public class HeapToHTMLPageHeapCellManager : AsyncTextWriterBase

    50 	{

    51 		#region Constructors & destructor

    52 		public HeapToHTMLPageHeapCellManager( HeapReconstructor aReconstructor, string aBasePath )

    53 		{

    54 			iReconstructor = aReconstructor;

    55 			iEntries = iReconstructor.Data;

    56 			iBasePath = aBasePath;

    57 

    58 			// Make sure our required directories exist

    59 			HeapToHTMLConverter.PageDirectoryNameEnsuringPathExists( iBasePath, "HeapData" );

    60 			HeapToHTMLConverter.PageDirectoryNameEnsuringPathExists( iBasePath, "HeapLinkInfo" );

    61 		}

    62 		#endregion

    63 		

    64 		#region API

    65         public static string HeapCellFileName( HeapCell aCell )

    66         {

    67             // Basic filename

    68             string basicName = aCell.Address.ToString( "x8" );

    69             return basicName;

    70         }

    71 

    72         public static string HeapCellDirectory( HeapCell aCell, string aStandardSubDir, char aDirectorySeparatorCharacter )

    73         {

    74             string subDirType = "Free";

    75 

    76             // Work out which subdir to put the file in. Allocated & free cells go in different base directories

    77             // We don't put more than KMaxNumberOfFilesPerDirectory (100) files in each directory.

    78             if ( aCell.Type == HeapCell.TType.EAllocated )

    79             {

    80                 subDirType = "Allocated";

    81             }

    82 

    83             uint rampedIndex = aCell.Index / KMaxNumberOfFilesPerDirectory;

    84             string subDirCellIndex = rampedIndex.ToString( "d4" );

    85             string combinedSubDir = aStandardSubDir + aDirectorySeparatorCharacter + subDirType + aDirectorySeparatorCharacter + subDirCellIndex;

    86             return combinedSubDir;

    87         }

    88 

    89         public static string HeapCellFileNameAndPath( HeapCell aCell, string aBasePath, string aStandardSubDir )

    90         {

    91             string basicName = HeapCellFileName( aCell );

    92             string combinedSubDir = HeapCellDirectory( aCell, aStandardSubDir, System.IO.Path.DirectorySeparatorChar );

    93             string heapDataFileName = HeapToHTMLConverter.PageFileNameEnsuringPathExists( basicName, aBasePath, combinedSubDir );

    94             return heapDataFileName;

    95         }

    96 		#endregion

    97 

    98 		#region From AsyncTextWriterBase

    99         public override long Size

   100 		{

   101 			get

   102 			{

   103 				return (long) iEntries.Count;

   104 			}

   105 		}

   106 

   107         public override long Position

   108 		{

   109 			get

   110 			{

   111 				long pos = (long) iCurrentHeapCellIndex;

   112 				return pos;

   113 			}

   114 		}

   115 

   116         public override void ExportData()

   117 		{

   118 			HeapCell entry = iEntries[ iCurrentHeapCellIndex++ ];

   119 

   120 			// Create heap data writer

   121 			string heapDataFileName = HeapCellFileNameAndPath( entry, iBasePath, "HeapData" );

   122 			using( HeapToHTMLPageHeapData writer = new HeapToHTMLPageHeapData( iReconstructor, heapDataFileName, entry ) )

   123 			{

   124 				writer.ConstructWriter();

   125 				writer.ExportData();

   126 			}

   127 

   128 			// Create heap linkced cell writer

   129             string heapLinkInfoFileName = HeapCellFileNameAndPath( entry, iBasePath, "HeapLinkInfo" );

   130 			using( HeapToHTMLPageHeapLinkedCells writer = new HeapToHTMLPageHeapLinkedCells( iReconstructor, heapLinkInfoFileName, entry ) )

   131 			{

   132 				writer.ConstructWriter();

   133 				writer.ExportData();

   134 			}

   135 		}

   136 		#endregion

   137 

   138         #region Internal constants

   139         private const uint KMaxNumberOfFilesPerDirectory = 100;

   140         #endregion

   141 

   142         #region Data members

   143         private readonly HeapReconstructor iReconstructor;

   144 		private readonly HeapCellArray iEntries;

   145 		private readonly string iBasePath;

   146 		private int iCurrentHeapCellIndex = 0;

   147 		#endregion

   148 	}

   149 }