public FunctionWrapper(Atk.Function managed)
{
this.managed = managed;
if (managed != null)
{
NativeDelegate = new FunctionNative(NativeCallback);
}
}
public static Atk.Function GetManagedDelegate(FunctionNative native)
{
if (native == null)
{
return(null);
}
FunctionWrapper wrapper = (FunctionWrapper)native.Target;
if (wrapper == null)
{
return(null);
}
return(wrapper.managed);
}
public void CreateFunction(string name, int numberOfArguments, Function function, bool deterministic)
{
name = name.ToUpperInvariant();
var nativeFunction = new FunctionNative((context, numberArguments, nativeArguments) =>
{
object[] mangedArguments = ObtainManagedArguments(nativeArguments);
try
{
var result = function.Invoke(mangedArguments);
SetResult(context, result);
}
catch (Exception ex)
{
SetError(context, ex);
}
});
var functionDelegate = this.platformMarshal.ApplyNativeCallingConventionToFunction(nativeFunction);
this.functionDelegates[name] = functionDelegate;
var funcPtr = this.platformMarshal.MarshalDelegateToNativeFunctionPointer(functionDelegate);
int nameLength;
var namePtr = this.platformMarshal.MarshalStringManagedToNativeUTF8(name, out nameLength);
try
{
this.sqlite3Provider.Sqlite3CreateFunction(this.db, namePtr, numberOfArguments, deterministic, funcPtr);
}
finally
{
if (namePtr != IntPtr.Zero)
{
this.platformMarshal.CleanUpStringNativeUTF8(namePtr);
}
}
}
Delegate IPlatformMarshal.ApplyNativeCallingConventionToFunction(FunctionNative function)
{
return(new FunctionNativeCdecl(function));
}
internal FunctionInvoker(FunctionNative native_cb, IntPtr data, GLib.DestroyNotify notify)
{
this.native_cb = native_cb;
__data = data;
__notify = notify;
}
internal FunctionInvoker(FunctionNative native_cb, IntPtr data) : this(native_cb, data, null)
{
}
internal FunctionInvoker(FunctionNative native_cb) : this(native_cb, IntPtr.Zero, null)
{
}
public void CreateFunction(string name, int numberOfArguments, Function function, bool deterministic)
{
name = name.ToUpperInvariant();
var nativeFunction = new FunctionNative((context, numberArguments, nativeArguments) =>
{
object[] mangedArguments = ObtainManagedArguments(nativeArguments);
try
{
var result = function.Invoke(mangedArguments);
SetResult(context, result);
}
catch (Exception ex)
{
SetError(context, ex);
}
});
var functionDelegate = this.platformMarshal.ApplyNativeCallingConventionToFunction(nativeFunction);
this.functionDelegates[name] = functionDelegate;
var funcPtr = this.platformMarshal.MarshalDelegateToNativeFunctionPointer(functionDelegate);
int nameLength;
var namePtr = this.platformMarshal.MarshalStringManagedToNativeUTF8(name, out nameLength);
try
{
this.sqlite3Provider.Sqlite3CreateFunction(this.db, namePtr, numberOfArguments, deterministic, funcPtr);
}
finally
{
if (namePtr != IntPtr.Zero)
{
this.platformMarshal.CleanUpStringNativeUTF8(namePtr);
}
}
}
Delegate IPlatformMarshal.ApplyNativeCallingConventionToFunction(FunctionNative function)
{
return new FunctionNativeCdecl(function);
}
