//---------------------------------------------------------------------
private void AssertIsErdas74Driver(DriverInfo driver)
{
Assert.IsNotNull(driver);
Assert.AreEqual("Erdas 7.4", driver.Name);
Assert.AreEqual("Landis.RasterIO.Drivers.Erdas74.Driver,Landis.RasterIO.Drivers.Erdas74",
driver.ImplementationName);
Assert.AreEqual(FileAccess.ReadWrite, driver[".gis"]);
Assert.AreEqual(FileAccess.ReadWrite, driver[".lan"]);
}
public void Indexer()
{
Dictionary<string, FileAccess> formats = new Dictionary<string, FileAccess>();
formats[".gis"] = FileAccess.ReadWrite;
formats[".lan"] = FileAccess.ReadWrite;
DriverInfo info = new DriverInfo("foo", "Foo.Driver,Foo.dll", formats);
Assert.AreEqual(FileAccess.ReadWrite, info[".gis"]);
Assert.AreEqual(FileAccess.ReadWrite, info[".lan"]);
Assert.AreEqual((FileAccess) 0, info[".bar"]);
}
//---------------------------------------------------------------------
private IDriver GetDriver(string path,
FileAccess fileAccess)
{
string format = Path.GetExtension(path);
if (string.IsNullOrEmpty(format))
{
throw NewAppException("No file extension specified for raster map");
}
IList <DriverInfo> drivers = dataset.GetDrivers(format);
if (drivers == null)
{
throw NewAppException("Unknown raster format: {0}", format);
}
// Find first driver that supports the requested access
DriverInfo firstDriver = null;
foreach (DriverInfo driverInfo in drivers)
{
if ((driverInfo[format] & fileAccess) == fileAccess)
{
firstDriver = driverInfo;
break;
}
}
if (firstDriver == null)
{
string action;
if (fileAccess == FileAccess.Read)
{
action = "read";
}
else
{
action = "write";
}
throw NewAppException("No drivers {0} the raster format \"{1}\"",
action, format);
}
IDriver driver;
if (!loadedDrivers.TryGetValue(firstDriver.Name, out driver))
{
driver = Loader.Load <IDriver>(firstDriver);
loadedDrivers[firstDriver.Name] = driver;
}
return(driver);
}
//---------------------------------------------------------------------
public DriverDataset(string path)
{
this.path = path;
PersistentDriverDataset dataset = PersistentDriverDataset.Load(path);
drivers = new List <DriverInfo>();
foreach (PersistentDriverDataset.DriverInfo info in dataset.Drivers)
{
// Create a dictionary from list of formats
Dictionary <string, FileAccess> formats;
formats = new Dictionary <string, FileAccess>();
foreach (PersistentDriverDataset.FormatAccess formatAccess in info.Formats)
{
formats[formatAccess.Format] = formatAccess.Access;
}
drivers.Add(new DriverInfo(info.Name,
info.ImplementationName,
formats));
}
this.formats = new Dictionary <string, List <DriverInfo> >();
foreach (PersistentDriverDataset.FormatDrivers formatDrivers in dataset.Formats)
{
List <DriverInfo> driverList = new List <DriverInfo>();
foreach (string driverName in formatDrivers.Drivers)
{
DriverInfo driverInfo = null;
foreach (DriverInfo info in this.drivers)
{
if (info.Name == driverName)
{
driverInfo = info;
break;
}
}
if (driverInfo == null)
{
throw new System.ApplicationException(string.Format("Unknown raster driver: \"{0}\"", driverName));
}
driverList.Add(driverInfo);
}
formats[formatDrivers.Format] = driverList;
}
}
public void FormatsNull()
{
DriverInfo info = new DriverInfo("foo", "Foo.Driver,Foo.dll", null);
}