/// <summary>
/// unloads the library
/// </summary>
public void Dispose()
{
if (m_LibHandle.val != IntPtr.Zero)
{
DynamicLibraries.UnloadDynLib(m_LibHandle);
m_LibHandle.val = IntPtr.Zero;
}
}
/// <summary>
///
/// </summary>
/// <param name="LibNames">
/// a list of library names
/// </param>
/// <param name="OsFilter">
/// Operating system filter
/// </param>
/// <param name="NameMangling">
///
/// name mangling, suggestions are: <see cref="LeadingUnderscore_SmallLetters"/>, <see cref="SmallLetters_TrailingUnderscore"/>
/// or <see cref="CAPITAL_LETTERS"/>
/// </param>
protected DynLibLoader(string[] LibNames, PlatformID[] OsFilter, GetNameMangling[] NameMangling)
{
if (LibNames.Length != OsFilter.Length || OsFilter.Length != NameMangling.Length)
{
throw new ApplicationException("all arrays must have the same length.");
}
PlatformID CurrentSys = System.Environment.OSVersion.Platform;
for (int i = 0; i < LibNames.Length; i++)
{
if (CurrentSys != OsFilter[i])
{
continue;
}
m_LibHandle = DynamicLibraries.LoadDynLib(LibNames[i]);
if (m_LibHandle.val == IntPtr.Zero)
{
continue;
}
Type myType = this.GetType();
FieldInfo[] fields = myType.GetFields(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public);
// loop over all delegates ....
foreach (FieldInfo fld in fields)
{
if (IsDelegate(fld.FieldType))
{
// get function name in DLL
string UnmanagedName = NameMangling[i](fld.Name);
// get function pointer
IntPtr FuncPtr = DynamicLibraries.LoadSymbol(m_LibHandle, UnmanagedName);
if (FuncPtr == IntPtr.Zero)
{
//throw new ApplicationException("Library '" + LibNames[i] + "' not working - missing function '" + UnmanagedName + "';");
DynamicLibraries.UnloadDynLib(m_LibHandle);
}
// create delegate
fld.SetValue(this, Marshal.GetDelegateForFunctionPointer(FuncPtr, fld.FieldType));
}
}
// successfully loaded all library functions
return;
}
// error
throw new ApplicationException("unable to find/load dynamic library - none supported on actual system.");
}
