crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/Settings/XmlSettingsValueConverter.cs
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianUtils/Settings/XmlSettingsValueConverter.cs Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,93 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+using System;
+using System.Xml;
+using System.Text;
+using System.IO;
+using System.ComponentModel;
+using System.Collections.Generic;
+
+namespace SymbianUtils.Settings
+{
+ internal static class XmlSettingsValueConverter<T>
+ {
+ public static T Convert( XmlSettingsValue aValue, T aDefault )
+ {
+ bool defaultApplied = false;
+ return Convert( aValue, aDefault, out defaultApplied );
+ }
+
+ public static T Convert( XmlSettingsValue aValue, T aDefault, out bool aDefaultApplied )
+ {
+ T ret = aDefault;
+ aDefaultApplied = true;
+ //
+ Type srcType = aValue.Value.GetType();
+ Type destType = aDefault.GetType();
+ //
+ try
+ {
+ // Don't need to convert if source and destination types are
+ // identical.
+ if ( srcType == destType )
+ {
+ ret = (T) aValue.Value;
+ }
+ else
+ {
+ // Don't try to convert empty strings.
+ if ( aValue.Value is string && destType != typeof( string ) )
+ {
+ string val = ( (string) aValue.Value ).Trim();
+ if ( val == string.Empty )
+ {
+ return aDefault;
+ }
+ }
+
+ // Try the type converter instead
+ TypeConverter converter = TypeDescriptor.GetConverter( destType );
+ if ( converter.CanConvertFrom( srcType ) )
+ {
+ if ( aValue.Value is string )
+ {
+ string text = (string) aValue.Value;
+ ret = (T) converter.ConvertFromInvariantString( text );
+ }
+ else
+ {
+ ret = (T) converter.ConvertFrom( aValue.Value );
+ }
+ aDefaultApplied = false;
+ }
+ else
+ {
+ SymbianUtils.SymDebug.SymDebugger.Break();
+ }
+ }
+ }
+ catch ( System.FormatException )
+ {
+ SymbianUtils.SymDebug.SymDebugger.Break();
+ }
+ //
+ return ret;
+ }
+ }
+}
+
+