internal ROFSEngine(ITracer aTracer)
: base(aTracer)
{
iEngineMap = new MapFileEngineCollection(this);
iEngineMap.Observer += new SymbianUtils.AsyncReaderBase.Observer(MapEngine_Observer);
iEngineSymbol = new SymbolFileEngineCollection(this, SymbolFileEngine.TActivationType.EOnDemand, true);
iEngineSymbol.Observer += new SymbianUtils.AsyncReaderBase.Observer(SymbolEngine_Observer);
}
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);
}
