author | Matti Laitinen <matti.t.laitinen@nokia.com> |
Thu, 11 Feb 2010 15:50:58 +0200 | |
changeset 0 | 818e61de6cd1 |
permissions | -rw-r--r-- |
0
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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using System; |
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using System.Text; |
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using System.IO; |
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using System.Collections; |
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using System.Collections.Generic; |
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using System.Collections.Specialized; |
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using SymbolLib.CodeSegDef; |
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using SymbolLib.Generics; |
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using SymbolLib.Engines; |
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using SymbolLib.Sources.Map.File; |
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using SymbolLib.Sources.Map.Parser; |
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using SymbolLib.Sources.Map.Symbol; |
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using SymbianUtils; |
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using SymbianUtils.Range; |
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using SymbianUtils.Tracer; |
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namespace SymbolLib.Sources.Map.Engine |
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{ |
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internal class MapFileEngine : GenericSymbolEngine, SymbolEntryCreator |
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{ |
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#region Events |
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public event AsyncReaderBase.Observer Observer; |
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#endregion |
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|
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#region Constructor & destructor |
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public MapFileEngine( ITracer aTracer ) |
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: base( aTracer ) |
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{ |
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} |
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#endregion |
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|
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#region API |
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public static bool IsMapFile( string aFileName ) |
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{ |
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string extension = Path.GetExtension( aFileName ).ToLower(); |
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return ( extension == CodeSegDefinition.KMapFileExtension ); |
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} |
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|
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internal bool IsLoaded( CodeSegDefinition aDefinition ) |
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{ |
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bool ret = iMapFile.HostBinaryFileName == aDefinition.ImageFileNameAndPath; |
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return ret; |
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} |
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|
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internal void LoadFromFile( string aMapFileName, TSynchronicity aSynchronicity ) |
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{ |
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iMapFileName = aMapFileName; |
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iMapFile = MapFile.NewByHostMapFileName( aMapFileName ); |
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// |
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iParser = new MapFileParser( this, aMapFileName, this ); |
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iParser.Tag = this; |
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iParser.iObserver += new SymbianUtils.AsyncReaderBase.Observer( Parser_Observer ); |
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iParser.SymbolCreated += new MapFileParser.SymbolCreatedHandler( Parser_SymbolCreated ); |
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iParser.BaseAddressHandler += new MapFileParser.MapFileBaseAddressHandler( Parser_BaseAddressHandler ); |
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iParser.Read( aSynchronicity ); |
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} |
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internal void Load( CodeSegDefinition aDefinition ) |
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{ |
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iMapFile.Fixup( aDefinition ); |
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} |
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internal bool Unload( CodeSegDefinition aDefinition ) |
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{ |
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return true; |
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} |
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internal void UnloadAll() |
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{ |
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} |
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#endregion |
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#region Properties |
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public MapFile MapFile |
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{ |
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get { return iMapFile; } |
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} |
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public string MapFileName |
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{ |
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get { return iMapFileName; } |
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} |
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#endregion |
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#region From GenericSymbolEngine |
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public override void Reset() |
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{ |
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// Do nothing - we cannot unload our only file. This is taken |
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// care of by parent class. |
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iMapFile = null; |
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iParser = null; |
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iMapFileName = string.Empty; |
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} |
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|
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111 |
public override bool IsReady |
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112 |
{ |
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113 |
get |
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114 |
{ |
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115 |
return true; |
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116 |
} |
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117 |
} |
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118 |
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public override bool IsLoaded( string aFileName ) |
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{ |
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bool ret = MapFileName == aFileName; |
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return ret; |
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} |
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124 |
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public override GenericSymbolCollection this[ int aIndex ] |
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{ |
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127 |
get |
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128 |
{ |
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129 |
return iMapFile; |
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} |
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131 |
} |
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132 |
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public override AddressRange Range |
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{ |
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135 |
get |
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136 |
{ |
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return iMapFile.AddressRange; |
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} |
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139 |
} |
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140 |
|
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141 |
internal override void UnloadUntagged() |
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142 |
{ |
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143 |
|
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144 |
} |
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145 |
#endregion |
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146 |
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147 |
#region From IGenericSymbolCollectionStatisticsInterface |
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148 |
public override int NumberOfCollections |
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149 |
{ |
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150 |
get |
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151 |
{ |
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152 |
return 1; |
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153 |
} |
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154 |
} |
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155 |
#endregion |
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156 |
|
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157 |
#region From SymbolEntryCreator |
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158 |
public MapSymbol CreateSymbol() |
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159 |
{ |
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160 |
return MapSymbol.New( iMapFile ); |
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161 |
} |
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162 |
#endregion |
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163 |
|
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164 |
#region Map file parser observer |
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165 |
private void Parser_Observer( SymbianUtils.AsyncReaderBase.TEvent aEvent, SymbianUtils.AsyncReaderBase aSender ) |
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166 |
{ |
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167 |
if ( Observer != null ) |
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168 |
{ |
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169 |
Observer( aEvent, aSender ); |
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170 |
} |
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171 |
|
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172 |
if ( aEvent == SymbianUtils.AsyncReaderBase.TEvent.EReadingComplete ) |
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173 |
{ |
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174 |
iMapFile.EnsureAllEntriesHaveSize(); |
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175 |
iMapFile.Sort(); |
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176 |
|
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177 |
int x = 0; |
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178 |
if ( x != 0 ) |
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179 |
{ |
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180 |
iMapFile.Dump(); |
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181 |
} |
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182 |
|
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183 |
iParser = null; |
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184 |
} |
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185 |
} |
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|
186 |
|
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187 |
private void Parser_SymbolCreated( MapSymbol aSymbol ) |
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188 |
{ |
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189 |
bool addItem = true; |
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190 |
|
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191 |
if ( iMapFile.Count > 0 ) |
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192 |
{ |
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193 |
int lastEntryIndex = iMapFile.Count - 1; |
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194 |
MapSymbol lastEntry = (MapSymbol) iMapFile[ lastEntryIndex ]; |
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195 |
// |
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196 |
long lastEntrySize = lastEntry.Size; |
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197 |
long newEntrySize = aSymbol.Size; |
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198 |
// |
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199 |
if ( lastEntry.Address == aSymbol.Address ) |
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200 |
{ |
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201 |
if ( lastEntrySize == 0 && newEntrySize > 0 ) |
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202 |
{ |
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203 |
// Remove an entry with zero size to replace it with a better definition... |
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204 |
iMapFile.RemoveAt( lastEntryIndex ); |
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205 |
} |
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206 |
else if ( newEntrySize == 0 && lastEntrySize > 0 ) |
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207 |
{ |
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208 |
// Don't replace an entry with zero size when we already |
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209 |
// have a good item. |
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210 |
addItem = false; |
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211 |
} |
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212 |
} |
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213 |
} |
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|
214 |
|
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215 |
if ( addItem ) |
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216 |
{ |
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217 |
iMapFile.Add( this, aSymbol ); |
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218 |
} |
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219 |
} |
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220 |
|
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221 |
private void Parser_BaseAddressHandler( uint aBaseAddress ) |
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222 |
{ |
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iMapFile.GlobalBaseAddress = aBaseAddress; |
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} |
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#endregion |
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#region Internal methods |
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#endregion |
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#region Data members |
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private MapFile iMapFile = null; |
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private MapFileParser iParser = null; |
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private string iMapFileName = string.Empty; |
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#endregion |
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} |
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} |