crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianCodeLib/SourceManagement/Source/CodeSourceCollection.cs
changeset 0 818e61de6cd1
equal deleted inserted replaced
-1:000000000000 0:818e61de6cd1
       
     1 /*
       
     2 * Copyright (c) 2004-2005 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.IO;
       
    20 using System.Text;
       
    21 using System.Threading;
       
    22 using System.Collections.Generic;
       
    23 using SymbianUtils;
       
    24 using SymbianUtils.Range;
       
    25 using SymbianUtils.Collections;
       
    26 
       
    27 namespace SymbianCodeLib.SourceManagement.Source
       
    28 {
       
    29     public class CodeSourceCollection : DisposableObject, IEnumerable<CodeSource>
       
    30     {
       
    31         #region Constructors
       
    32         public CodeSourceCollection()
       
    33         {
       
    34         }
       
    35 
       
    36         public CodeSourceCollection( CodeSource aSource )
       
    37         {
       
    38             Add( aSource );
       
    39         }
       
    40         #endregion
       
    41 
       
    42         #region API
       
    43         public void Clear()
       
    44         {
       
    45             lock ( iSources )
       
    46             {
       
    47                 IList<CodeSource> list = iSources.Values;
       
    48                 int count = list.Count;
       
    49                 for ( int i = count - 1; i >= 0; i-- )
       
    50                 {
       
    51                     CodeSource source = list[ i ];
       
    52                     Remove( source );
       
    53                 }
       
    54             }
       
    55         }
       
    56 
       
    57         public bool Add( CodeSource aSource )
       
    58         {
       
    59             bool added = false;
       
    60             //
       
    61             lock ( iSources )
       
    62             {
       
    63                 if ( Contains( aSource ) == false )
       
    64                 {
       
    65                     string uri = aSource.URI;
       
    66                     iSources.Add( uri, aSource );
       
    67                     added = true;
       
    68                 }
       
    69                 else
       
    70                 {
       
    71                     System.Diagnostics.Debug.WriteLine( "**** WARNING **** discarding duplicate source: " + aSource );
       
    72                 }
       
    73             }
       
    74             //
       
    75             if ( added )
       
    76             {
       
    77                 OnAdded( aSource );
       
    78             }
       
    79             //
       
    80             return added;
       
    81         }
       
    82 
       
    83         public void AddRange( IEnumerable<CodeSource> aSources )
       
    84         {
       
    85             foreach ( CodeSource source in aSources )
       
    86             {
       
    87                 Add( source );
       
    88             }
       
    89         }
       
    90 
       
    91         public bool Remove( CodeSource aSource )
       
    92         {
       
    93             bool ret = false;
       
    94             CodeSource source = null;
       
    95             //
       
    96             lock( iSources )
       
    97             {
       
    98                 string uri = aSource.URI;
       
    99                 //
       
   100                 if ( iSources.TryGetValue( uri, out source ) )
       
   101                 {
       
   102                     ret = iSources.Remove( uri );
       
   103                 }
       
   104             }
       
   105 
       
   106             // Notify outside of the lock
       
   107             if ( source != null )
       
   108             {
       
   109                 OnRemoved( source );
       
   110             }
       
   111             //
       
   112             return ret;
       
   113         }
       
   114 
       
   115         public bool Contains( string aURI )
       
   116         {
       
   117             lock ( iSources )
       
   118             {
       
   119                 return iSources.ContainsKey( aURI );
       
   120             }
       
   121         }
       
   122 
       
   123         public bool Contains( CodeSource aSource )
       
   124         {
       
   125             return Contains( aSource.URI );
       
   126         }
       
   127         #endregion
       
   128 
       
   129         #region Properties
       
   130         public int Count
       
   131         {
       
   132             get
       
   133             {
       
   134                 lock ( iSources )
       
   135                 {
       
   136                     return iSources.Count;
       
   137                 }
       
   138             }
       
   139         }
       
   140 
       
   141         public bool IsEmpty
       
   142         {
       
   143             get { return Count == 0; } 
       
   144         }
       
   145 
       
   146         public CodeSource this[ int aIndex ]
       
   147         {
       
   148             get
       
   149             {
       
   150                 lock ( iSources )
       
   151                 {
       
   152                     string key = iSources.Keys[ aIndex ];
       
   153                     return iSources[ key ];
       
   154                 }
       
   155             }
       
   156         }
       
   157         #endregion
       
   158 
       
   159         #region From IEnumerable<CodeSource>
       
   160         public IEnumerator<CodeSource> GetEnumerator()
       
   161         {
       
   162             foreach ( KeyValuePair<string, CodeSource> kvp in iSources )
       
   163             {
       
   164                 yield return kvp.Value;
       
   165             }
       
   166         }
       
   167 
       
   168         System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
       
   169         {
       
   170             foreach ( KeyValuePair<string, CodeSource> kvp in iSources )
       
   171             {
       
   172                 yield return kvp.Value;
       
   173             }
       
   174         }
       
   175         #endregion
       
   176 
       
   177         #region From DisposableObject
       
   178         protected override void CleanupManagedResources()
       
   179         {
       
   180             try
       
   181             {
       
   182                 base.CleanupManagedResources();
       
   183             }
       
   184             finally
       
   185             {
       
   186                 foreach ( KeyValuePair<string, CodeSource> kvp in iSources )
       
   187                 {
       
   188                     CodeSource source = kvp.Value;
       
   189                     source.Dispose();
       
   190                 }
       
   191 
       
   192                 Clear();
       
   193             }
       
   194         }
       
   195         #endregion
       
   196 
       
   197         #region Internal methods
       
   198         protected virtual void OnAdded( CodeSource aSource )
       
   199         {
       
   200             aSource.AddedToCollection( this );
       
   201         }
       
   202     
       
   203         protected virtual void OnRemoved( CodeSource aSource )
       
   204         {
       
   205             aSource.RemovedFromCollection( this );
       
   206         }
       
   207         #endregion
       
   208 
       
   209         #region Data members
       
   210         private SortedList<string, CodeSource> iSources = new SortedList<string, CodeSource>();
       
   211         #endregion
       
   212     }
       
   213 }