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