/// <summary>
/// The internal aggregate Step function callback, which wraps the raw context pointer and calls the virtual Step() method.
/// WARNING: Must not throw exceptions.
/// </summary>
/// <remarks>
/// This function takes care of doing the lookups and getting the important information put together to call the Step() function.
/// That includes pulling out the user's contextData and updating it after the call is made. We use a sorted list for this so
/// binary searches can be done to find the data.
/// </remarks>
/// <param name="context">A raw context pointer</param>
/// <param name="nArgs">Number of arguments passed in</param>
/// <param name="argsptr">A pointer to the array of arguments</param>
internal void StepCallback(IntPtr context, int nArgs, IntPtr argsptr)
{
try
{
AggregateData data = null;
if (_base != null)
{
IntPtr nAux = _base.AggregateContext(context);
if ((_contextDataList != null) &&
!_contextDataList.TryGetValue(nAux, out data))
{
data = new AggregateData();
_contextDataList[nAux] = data;
}
}
if (data == null)
{
data = new AggregateData();
}
try
{
_context = context;
Step(ConvertParams(nArgs, argsptr),
data._count, ref data._data); /* throw */
}
finally
{
data._count++;
}
}
#if !PLATFORM_COMPACTFRAMEWORK
catch (Exception e) /* NOTE: Must catch ALL. */
{
try
{
if ((_flags & SQLiteConnectionFlags.LogCallbackException) ==
SQLiteConnectionFlags.LogCallbackException)
{
SQLiteLog.LogMessage(COR_E_EXCEPTION, String.Format(
CultureInfo.CurrentCulture,
"Caught exception in \"Step\" method: {1}",
e)); /* throw */
}
}
catch
{
// do nothing.
}
}
#else
catch /* NOTE: Must catch ALL. */
{
// do nothing (Windows CE).
}
#endif
}
/// <summary>
/// The internal aggregate Step function callback, which wraps the raw context pointer and calls the virtual Step() method.
/// </summary>
/// <remarks>
/// This function takes care of doing the lookups and getting the important information put together to call the Step() function.
/// That includes pulling out the user's contextData and updating it after the call is made. We use a sorted list for this so
/// binary searches can be done to find the data.
/// </remarks>
/// <param name="context">A raw context pointer</param>
/// <param name="nArgs">Number of arguments passed in</param>
/// <param name="argsptr">A pointer to the array of arguments</param>
internal void StepCallback(IntPtr context, int nArgs, IntPtr argsptr)
{
int n = _base.AggregateCount(context);
long nAux;
object obj = null;
nAux = (long)_base.AggregateContext(context);
if (n > 1)
{
obj = _contextDataList[nAux];
}
Step(ConvertParams(nArgs, argsptr), n, ref obj);
_contextDataList[nAux] = obj;
}
/// <summary>
/// The internal aggregate Step function callback, which wraps the raw context pointer and calls the virtual Step() method.
/// </summary>
/// <remarks>
/// This function takes care of doing the lookups and getting the important information put together to call the Step() function.
/// That includes pulling out the user's contextData and updating it after the call is made. We use a sorted list for this so
/// binary searches can be done to find the data.
/// </remarks>
/// <param name="context">A raw context pointer</param>
/// <param name="nArgs">Number of arguments passed in</param>
/// <param name="argsptr">A pointer to the array of arguments</param>
internal void StepCallback(IntPtr context, int nArgs, IntPtr argsptr)
{
long nAux;
AggregateData data;
nAux = (long)_base.AggregateContext(context);
if (_contextDataList.TryGetValue(nAux, out data) == false)
{
data = new AggregateData();
_contextDataList[nAux] = data;
}
try
{
_context = context;
Step(ConvertParams(nArgs, argsptr), data._count, ref data._data);
}
finally
{
data._count++;
}
}
