public static Map LoadHeader(string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
MapFormatType targetType = MapFormatType.SingleFile;
if (!File.Exists(fileName))
{
if (Directory.Exists(fileName))
{
targetType = MapFormatType.Directory;
}
else
{
throw new FileNotFoundException();
}
}
List <IMapConverter> fallbackConverters = new List <IMapConverter>();
// first try all converters for the file extension
foreach (IMapConverter converter in AvailableConverters.Values)
{
bool claims = false;
try {
claims = (converter.FormatType == targetType) &&
converter.ClaimsName(fileName) &&
converter.Claims(fileName);
} catch (Exception) { }
if (claims)
{
try {
Map map = converter.LoadHeader(fileName);
map.ChangedSinceSave = false;
return(map);
} catch (NotImplementedException) { }
}
else
{
fallbackConverters.Add(converter);
}
}
foreach (IMapConverter converter in fallbackConverters)
{
try {
Map map = converter.LoadHeader(fileName);
map.ChangedSinceSave = false;
return(map);
} catch { }
}
throw new MapFormatException("Unknown map format.");
}
public static MapFormat Identify(string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
MapFormatType targetType = MapFormatType.SingleFile;
if (!File.Exists(fileName))
{
if (Directory.Exists(fileName))
{
targetType = MapFormatType.Directory;
}
else
{
throw new FileNotFoundException();
}
}
List <IMapConverter> fallbackConverters = new List <IMapConverter>();
foreach (IMapConverter converter in AvailableConverters.Values)
{
try {
if (converter.FormatType == targetType && converter.ClaimsName(fileName))
{
if (converter.Claims(fileName))
{
return(converter.Format);
}
}
else
{
fallbackConverters.Add(converter);
}
} catch { }
}
foreach (IMapConverter converter in fallbackConverters)
{
try {
if (converter.Claims(fileName))
{
return(converter.Format);
}
} catch { }
}
return(MapFormat.Unknown);
}
