115 lines
2.9 KiB
C#
115 lines
2.9 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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#pragma warning disable 1591
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using System;
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using System.Runtime.InteropServices;
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using System.ComponentModel;
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namespace Eina
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{
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/// <summary>
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/// Manage the initialization and cleanup for eina.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public static class Config
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{
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[DllImport(efl.Libs.Eina)] private static extern int eina_init();
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[DllImport(efl.Libs.Eina)] private static extern int eina_shutdown();
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/// <summary>
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/// Initialize the Eina library.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public static void Init()
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{
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if (eina_init() == 0)
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{
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throw (new Efl.EflException("Failed to initialize Eina"));
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}
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}
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/// <summary>
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/// Finalize the Eina library.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public static int Shutdown()
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{
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return eina_shutdown();
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}
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}
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/// <summary>
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/// Wrapper class for pointers that need some cleanup afterwards like strings
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public class DisposableIntPtr : IDisposable
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{
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[EditorBrowsable(EditorBrowsableState.Never)]
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public IntPtr Handle { get; set; }
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private bool ShouldFree;
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private bool Disposed;
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/// <summary>Wraps a new ptr what will be freed based on the
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/// value of shouldFree
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public DisposableIntPtr(IntPtr ptr, bool shouldFree = false)
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{
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Handle = ptr;
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ShouldFree = shouldFree;
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}
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/// <summary>Release the native resources held by this instance.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public void Dispose()
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{
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Dispose(true);
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GC.SuppressFinalize(this);
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}
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/// <summary>Disposes of this wrapper, releasing the native handle if
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/// owned.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="disposing">True if this was called from <see cref="Dispose()"/> public method. False if
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/// called from the C# finalizer.</param>
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protected virtual void Dispose(bool disposing)
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{
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if (!Disposed && ShouldFree)
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{
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MemoryNative.Free(this.Handle);
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}
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Disposed = true;
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}
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/// <summary>Release the native resources held by this instance.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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~DisposableIntPtr()
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{
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Dispose(false);
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}
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}
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}
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