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/*
* Copyright 2019 by its authors. See AUTHORS.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using static System.Console;
public class ExampleEinaError01
{
private static bool RegisteredErrors = false;
private static Eina.Error MyErrorNegative;
private static Eina.Error MyErrorNull;
private static void testFunc(int n, string s)
{
if (!RegisteredErrors)
{
MyErrorNegative = Eina.Error.Register("Negative number");
MyErrorNull = Eina.Error.Register("NULL pointer");
RegisteredErrors = true;
}
if (n < 0)
{
Eina.Error.Set(MyErrorNegative);
return;
}
if (s == null)
{
Eina.Error.Set(MyErrorNull);
return;
}
}
public static void Main()
{
Eina.Config.Init();
Efl.Eo.Config.Init();
// Handling Eina_Error with exception
try
{
testFunc(-1, "abc");
Eina.Error.RaiseIfUnhandledException();
}
catch(Efl.EflException e)
{
WriteLine($"Caught error: {e.Message}");
}
// Handling Eina_Error directly
testFunc(42, null);
Eina.Error err = Eina.Error.Get();
if (err != 0)
{
WriteLine($"Error set: {err.Message}");
}
Eina.Error.Clear();
// No error set
try
{
testFunc(42, "abc");
Eina.Error.RaiseIfUnhandledException();
err = Eina.Error.Get();
WriteLine($"Really no error? {err == Eina.Error.NO_ERROR}.");
}
catch
{
WriteLine("Unspected error!!!");
}
WriteLine("No error message is empty string: \"{0}\"", Eina.Error.NO_ERROR.Message);
WriteLine("No error message is empty string: \"{0}\"", Eina.Error.MsgGet(0));
}
}
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