public static TFileType IsSupported(string aFileName)
{
TFileType ret = TFileType.EFileNotSupported;
//
try
{
string extension = Path.GetExtension(aFileName).ToLower();
if (extension == ".symbol")
{
SymbolFileEngine tempEngine = new SymbolFileEngine(null, SymbolFileEngine.TActivationType.EOnDemand, false);
SymbolsForBinary symbols = tempEngine.ReadFirstCollection(aFileName);
// For a valid ROFS symbol file, the first symbol should have an address of zero.
bool containedNonZeroFirstSymbolCollection = (symbols != null && symbols.Count > 0 && symbols[0].Address != 0);
if (containedNonZeroFirstSymbolCollection)
{
ret = TFileType.EFileRomSymbol;
}
}
}
catch (Exception)
{
}
//
return(ret);
}
public override void LoadFromFile(string aFileName, TSynchronicity aSynchronicity)
{
if (SymbolFileEngine.IsSymbolFile(aFileName))
{
iEngineSymbol.LoadFromFile(aFileName, aSynchronicity);
}
else if (MapFileEngine.IsMapFile(aFileName))
{
iEngineMap.LoadFromFile(aFileName, aSynchronicity);
}
else
{
throw new NotSupportedException();
}
}
private void SymbolEngine_Observer(SymbianUtils.AsyncReaderBase.TEvent aEvent, SymbianUtils.AsyncReaderBase aSender)
{
System.Diagnostics.Debug.Assert(aSender.Tag is SymbolFileEngine);
SymbolFileEngine engine = (SymbolFileEngine)aSender.Tag;
//
switch (aEvent)
{
case SymbianUtils.AsyncReaderBase.TEvent.EReadingStarted:
OnParsingStarted(engine.SymbolFileName);
break;
case SymbianUtils.AsyncReaderBase.TEvent.EReadingProgress:
OnParsingProgress(engine.SymbolFileName, aSender.Progress);
break;
case SymbianUtils.AsyncReaderBase.TEvent.EReadingComplete:
OnParsingCompleted(engine.SymbolFileName);
break;
}
}
public static TFileType IsSupported(string aFileName)
{
TFileType ret = TFileType.EFileNotSupported;
//
try
{
string extension = Path.GetExtension(aFileName).ToLower();
if (extension == ".symbol")
{
bool sawSomeValidContent = false;
//
SymbolFileEngine tempEngine = new SymbolFileEngine(null, SymbolFileEngine.TActivationType.EOnDemand, true);
SymbolsForBinary symbols = tempEngine.ReadFirstCollection(aFileName, out sawSomeValidContent);
// For a valid ROFS symbol file, the first symbol should have an address of zero.
bool valid = (symbols != null && symbols.Count > 0 && symbols[0].Address == 0);
if (valid)
{
ret = TFileType.EFileRofsSymbol;
}
else if (sawSomeValidContent)
{
// Probably just a file containing data files rather than code, but that's okay.
ret = TFileType.EFileRofsSymbol;
}
}
else if (extension == ".map")
{
ret = MapFileEngineCollection.IsSupported(aFileName);
}
}
catch (Exception)
{
}
//
return(ret);
}
internal ROMEngine(ITracer aTracer)
: base(aTracer)
{
iEngineSymbol = new SymbolFileEngine(this, SymbolFileEngine.TActivationType.EImmediate, false);
iEngineSymbol.Observer += new SymbianUtils.AsyncReaderBase.Observer(SymbolEngine_Observer);
}
