147 lines
3.3 KiB
C#
147 lines
3.3 KiB
C#
#pragma warning disable 1591
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using System;
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using System.Runtime.InteropServices;
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using System.Collections.Generic;
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using static Eina.TraitFunctions;
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using static Eina.IteratorNativeFunctions;
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namespace Eina {
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public static class IteratorNativeFunctions
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{
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[DllImport(efl.Libs.Eina)] public static extern void
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eina_iterator_free(IntPtr iterator);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_iterator_container_get(IntPtr iterator);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_iterator_next(IntPtr iterator, out IntPtr data);
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[DllImport(efl.Libs.Eina)] public static extern void
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eina_iterator_foreach(IntPtr iterator, IntPtr callback, IntPtr fdata);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_iterator_lock(IntPtr iterator);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] public static extern bool
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eina_iterator_unlock(IntPtr iterator);
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[DllImport(efl.Libs.Eina)] public static extern IntPtr
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eina_carray_iterator_new(IntPtr array);
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}
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public class Iterator<T> : IEnumerable<T>, IDisposable
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{
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public IntPtr Handle {get;set;} = IntPtr.Zero;
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public bool Own {get;set;} = true;
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public bool OwnContent {get;set;} = false;
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public Iterator(IntPtr handle, bool own)
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{
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Handle = handle;
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Own = own;
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OwnContent = own;
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}
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public Iterator(IntPtr handle, bool own, bool ownContent)
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{
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Handle = handle;
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Own = own;
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OwnContent = ownContent;
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}
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~Iterator()
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{
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Dispose(false);
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}
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protected virtual void Dispose(bool disposing)
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{
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var h = Handle;
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Handle = IntPtr.Zero;
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if (h == IntPtr.Zero)
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return;
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if (OwnContent)
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{
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for(IntPtr data; eina_iterator_next(h, out data);)
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{
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NativeFree<T>(data);
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}
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}
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if (Own)
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eina_iterator_free(h);
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}
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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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public void Free()
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{
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Dispose();
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}
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public IntPtr Release()
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{
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IntPtr h = Handle;
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Handle = IntPtr.Zero;
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return h;
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}
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public void SetOwnership(bool ownAll)
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{
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Own = ownAll;
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OwnContent = ownAll;
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}
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public void SetOwnership(bool own, bool ownContent)
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{
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Own = own;
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OwnContent = ownContent;
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}
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public bool Next(out T res)
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{
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IntPtr data;
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if (!eina_iterator_next(Handle, out data))
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{
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res = default(T);
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return false;
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}
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res = NativeToManaged<T>(data);
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if (OwnContent)
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NativeFree<T>(data);
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return true;
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}
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public bool Lock()
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{
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return eina_iterator_lock(Handle);
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}
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public bool Unlock()
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{
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return eina_iterator_unlock(Handle);
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}
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public IEnumerator<T> GetEnumerator()
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{
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for(T curr; Next(out curr);)
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{
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yield return curr;
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}
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}
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System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
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{
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return this.GetEnumerator();
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}
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}
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}
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