556 lines
19 KiB
C#
556 lines
19 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.Collections.Generic;
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using System.ComponentModel;
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using static Eina.TraitFunctions;
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using static Eina.ListNativeFunctions;
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using Eina.Callbacks;
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namespace Eina
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{
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[EditorBrowsable(EditorBrowsableState.Never)]
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public static class ListNativeFunctions
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{
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_append(IntPtr list, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_prepend(IntPtr list, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_append_relative(IntPtr list, IntPtr data, IntPtr relative);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_append_relative_list(IntPtr list, IntPtr data, IntPtr relative);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_prepend_relative(IntPtr list, IntPtr data, IntPtr relative);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_prepend_relative_list(IntPtr list, IntPtr data, IntPtr relative);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_sorted_insert(IntPtr list, IntPtr func, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_remove(IntPtr list, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_remove_list(IntPtr list, IntPtr remove_list);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_promote_list(IntPtr list, IntPtr move_list);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_demote_list(IntPtr list, IntPtr move_list);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_data_find(IntPtr list, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_data_find_list(IntPtr list, IntPtr data);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] internal static extern bool
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eina_list_move(ref IntPtr to, ref IntPtr from, IntPtr data);
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[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] internal static extern bool
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eina_list_move_list(ref IntPtr to, ref IntPtr from, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_free(IntPtr list);
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[DllImport(efl.Libs.CustomExports)] internal static extern void
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efl_mono_thread_safe_eina_list_free(IntPtr list);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_nth(IntPtr list, uint n);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_nth_list(IntPtr list, uint n);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_reverse(IntPtr list);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_reverse_clone(IntPtr list);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_clone(IntPtr list);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_sort(IntPtr list, uint limit, IntPtr func);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_shuffle(IntPtr list, IntPtr func);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_merge(IntPtr left, IntPtr right);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_sorted_merge(IntPtr left, IntPtr right, IntPtr func);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_split_list(IntPtr list, IntPtr relative, ref IntPtr right);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_search_sorted_near_list(IntPtr list, IntPtr func, IntPtr data, IntPtr result_cmp);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_search_sorted_list(IntPtr list, IntPtr func, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_search_sorted(IntPtr list, IntPtr func, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_search_unsorted_list(IntPtr list, IntPtr func, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_search_unsorted(IntPtr list, IntPtr func, IntPtr data);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_iterator_new(IntPtr list);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_iterator_reversed_new(IntPtr list);
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[DllImport(efl.Libs.Eina)] internal static extern IntPtr
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eina_list_accessor_new(IntPtr list);
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[DllImport(efl.Libs.Eina)] internal static extern int
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eina_list_data_idx(IntPtr list, IntPtr data);
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[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
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eina_list_last_custom_export_mono(IntPtr list);
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[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
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eina_list_next_custom_export_mono(IntPtr list);
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[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
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eina_list_prev_custom_export_mono(IntPtr list);
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[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
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eina_list_data_get_custom_export_mono(IntPtr list);
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[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
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eina_list_data_set_custom_export_mono(IntPtr list, IntPtr data);
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[DllImport(efl.Libs.CustomExports)] internal static extern uint
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eina_list_count_custom_export_mono(IntPtr list);
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[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
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eina_list_last_data_get_custom_export_mono(IntPtr list);
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}
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/// <summary>Native wrapper around a linked list of items.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public class List<T> : IEnumerable<T>, IDisposable
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{
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[EditorBrowsable(EditorBrowsableState.Never)]
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public IntPtr Handle {get;set;} = IntPtr.Zero;
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/// <summary>Whether this managed list owns the native one.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public bool Own {get;set;}
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/// <summary>Whether the native list wrapped owns the content it points to.
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/// <para>Since EFL 1.23.</para>
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///</summary>
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public bool OwnContent {get;set;}
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/// <summary>Delegate for comparing two elements of this list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="a">First element.</param>
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/// <param name="b">Second element.</param>
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/// <returns>-1, 0 or 1 for respectively smaller, equal or larger.</returns>
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public delegate int Compare(T a, T b);
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/// <summary>The number of elements on this list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public int Length
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{
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get { return Count(); }
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}
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private void InitNew()
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{
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Handle = IntPtr.Zero;
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Own = true;
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OwnContent = true;
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}
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private IntPtr InternalLast()
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{
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return eina_list_last_custom_export_mono(Handle);
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}
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private static IntPtr InternalNext(IntPtr list)
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{
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return eina_list_next_custom_export_mono(list);
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}
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private static IntPtr InternalPrev(IntPtr list)
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{
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return eina_list_prev_custom_export_mono(list);
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}
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private static IntPtr InternalDataGet(IntPtr list)
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{
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return eina_list_data_get_custom_export_mono(list);
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}
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private static IntPtr InternalDataSet(IntPtr list, IntPtr data)
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{
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return eina_list_data_set_custom_export_mono(list, data);
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}
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/// <summary>Creates a new empty list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public List()
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{
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InitNew();
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}
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/// <summary>Creates a new list wrapping the given handle.</summary>
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[EditorBrowsable(EditorBrowsableState.Never)]
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public List(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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/// <summary>Creates a new list wrapping the given handle.</summary>
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[EditorBrowsable(EditorBrowsableState.Never)]
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public List(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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/// <summary>Finalizes this list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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~List()
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{
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Dispose(false);
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}
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/// <summary>Disposes of this list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="disposing">Whether this was called from the finalizer (<c>false</c>) or from the
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/// <see cref="Dispose()"/> method.</param>
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protected virtual void Dispose(bool disposing)
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{
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IntPtr h = Handle;
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Handle = IntPtr.Zero;
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if (h == IntPtr.Zero)
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{
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return;
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}
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if (Own && OwnContent)
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{
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for (IntPtr curr = h; curr != IntPtr.Zero; curr = InternalNext(curr))
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{
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NativeFree<T>(InternalDataGet(curr));
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}
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}
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if (Own)
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{
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if (disposing)
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{
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eina_list_free(h);
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}
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else
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{
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efl_mono_thread_safe_eina_list_free(h);
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}
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}
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}
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/// <summary>Disposes of this list.
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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 list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public void Free()
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{
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Dispose();
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}
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/// <summary>Relinquishes of the native list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <returns>The previously wrapped native list handle.</returns>
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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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/// <summary>Sets whether this wrapper should own the native list or not.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="ownAll">If the hash own for all ownerships.</param>
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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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/// <summary>Sets whether this wrapper should own the native list and
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/// its content or not.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="own">If own the object.</param>
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/// <param name="ownContent">If own the content's object.</param>
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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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/// <summary>Returns the number of elements in this list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <returns>The number of elements.</returns>
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public int Count()
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{
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return (int)eina_list_count_custom_export_mono(Handle);
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}
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/// <summary>Appends <c>val</c> to the list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="val">The item to be appended.</param>
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public void Append(T val)
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{
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IntPtr ele = ManagedToNativeAlloc(val);
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Handle = eina_list_append(Handle, ele);
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}
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/// <summary>Prepends <c>val</c> to the list.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="val">The item to be prepended.</param>
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public void Prepend(T val)
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{
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IntPtr ele = ManagedToNativeAlloc(val);
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Handle = eina_list_prepend(Handle, ele);
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}
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/// <summary>Inserts <c>val</c> in the list in a sorted manner.
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/// It presumes the list is already sorted.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="val">The item to be inserted.</param>
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public void SortedInsert(T val)
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{
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IntPtr ele = ManagedToNativeAlloc(val);
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Handle = eina_list_sorted_insert(Handle, EinaCompareCb<T>(), ele);
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}
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/// <summary>Inserts <c>val</c> in the list in a sorted manner with the
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/// given <c>compareCb</c> for element comparison.
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/// It presumes the list is already sorted.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="compareCb">The function to compare two elements of the list.</param>
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/// <param name="val">The item to be inserted.</param>
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public void SortedInsert(Compare compareCb, T val)
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{
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IntPtr ele = ManagedToNativeAlloc(val);
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Handle = eina_list_sorted_insert(Handle, Marshal.GetFunctionPointerForDelegate(GetNativeCompareCb(compareCb)), ele);
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}
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/// <summary>Sorts <c>limit</c> elements in this list inplace.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="limit">The max number of elements to be sorted.</param>
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public void Sort(int limit = 0)
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{
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Handle = eina_list_sort(Handle, (uint)limit, EinaCompareCb<T>());
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}
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/// <summary>Sorts all elements in this list inplace.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="compareCb">The function to compare two elements of the list.</param>
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public void Sort(Compare compareCb)
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{
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Handle = eina_list_sort(Handle, 0, Marshal.GetFunctionPointerForDelegate(GetNativeCompareCb(compareCb)));
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}
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/// <summary>Sorts <c>limit</c> elements in this list inplace.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="limit">The max number of elements to be sorted.</param>
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/// <param name="compareCb">The function to compare two elements of the list.</param>
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public void Sort(int limit, Compare compareCb)
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{
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Handle = eina_list_sort(Handle, (uint)limit, Marshal.GetFunctionPointerForDelegate(GetNativeCompareCb(compareCb)));
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}
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private Eina.Callbacks.EinaCompareCb GetNativeCompareCb(Compare managedCb)
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{
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return (IntPtr a, IntPtr b) => {
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return managedCb(NativeToManaged<T>(a), NativeToManaged<T>(b));
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};
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}
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/// <summary>Returns the <c>n</c>th element of this list. Due to marshalling details, the returned element
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/// may be a different C# object from the one you used to append.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="n">The 0-based index to be retrieved.</param>
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/// <returns>The value in the specified element.</returns>
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public T Nth(int n)
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{
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// TODO: check bounds ???
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IntPtr ele = eina_list_nth(Handle, (uint)n);
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return NativeToManaged<T>(ele);
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}
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/// <summary>Sets the data at the <c>idx</c> position.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="idx">The 0-based index to be set.</param>
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/// <param name="val">The value to be inserted.</param>
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public void DataSet(int idx, T val)
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{
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IntPtr pos = eina_list_nth_list(Handle, (uint)idx);
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if (pos == IntPtr.Zero)
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{
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throw new IndexOutOfRangeException();
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}
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if (OwnContent)
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{
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NativeFree<T>(InternalDataGet(pos));
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}
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IntPtr ele = ManagedToNativeAlloc(val);
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InternalDataSet(pos, ele);
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}
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/// <summary>Accessor for the data at the <c>idx</c> position.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <param name="idx">The 0-based index to be get/set.</param>
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public T this[int idx]
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{
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get
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{
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return Nth(idx);
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}
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set
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{
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DataSet(idx, value);
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}
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}
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/// <summary>Returns the data at the last list element.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <returns>The value contained in the last list position.</returns>
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public T LastDataGet()
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{
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IntPtr ele = eina_list_last_data_get_custom_export_mono(Handle);
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return NativeToManaged<T>(ele);
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}
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/// <summary>Reverses this list in place.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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/// <returns>A reference to this object.</returns>
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public List<T> Reverse()
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{
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Handle = eina_list_reverse(Handle);
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return this;
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}
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/// <summary>Randomly shuffles this list in place.
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/// <para>Since EFL 1.23.</para>
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/// </summary>
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public void Shuffle()
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{
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Handle = eina_list_shuffle(Handle, IntPtr.Zero);
|
|
}
|
|
|
|
/// <summary>Gets a C# array of the elements in this list.
|
|
/// <para>Since EFL 1.23.</para>
|
|
/// </summary>
|
|
/// <returns>A managed array of the elements.</returns>
|
|
public T[] ToArray()
|
|
{
|
|
var managed = new T[Count()];
|
|
int i = 0;
|
|
for (IntPtr curr = Handle; curr != IntPtr.Zero; curr = InternalNext(curr), ++i)
|
|
{
|
|
managed[i] = NativeToManaged<T>(InternalDataGet(curr));
|
|
}
|
|
|
|
return managed;
|
|
}
|
|
|
|
/// <summary>Appends the given array of elements to this list.
|
|
/// <para>Since EFL 1.23.</para>
|
|
/// </summary>
|
|
/// <param name="values">The values to be appended.</param>
|
|
public void AppendArray(T[] values)
|
|
{
|
|
foreach (T v in values)
|
|
{
|
|
Append(v);
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>Gets an iterator that iterates this list in normal order.
|
|
/// <para>Since EFL 1.23.</para>
|
|
/// </summary>
|
|
/// <returns>The iterator.</returns>
|
|
public Eina.Iterator<T> GetIterator()
|
|
{
|
|
return new Eina.Iterator<T>(eina_list_iterator_new(Handle), true);
|
|
}
|
|
|
|
/// <summary>Gets an iterator that iterates this list in reverse order.
|
|
/// <para>Since EFL 1.23.</para>
|
|
/// </summary>
|
|
/// <returns>The iterator.</returns>
|
|
public Eina.Iterator<T> GetReversedIterator()
|
|
{
|
|
return new Eina.Iterator<T>(eina_list_iterator_reversed_new(Handle), true);
|
|
}
|
|
|
|
/// <summary>Gets an enumerator into this list.
|
|
/// <para>Since EFL 1.23.</para>
|
|
/// </summary>
|
|
/// <returns>The enumerator.</returns>
|
|
public IEnumerator<T> GetEnumerator()
|
|
{
|
|
for (IntPtr curr = Handle; curr != IntPtr.Zero; curr = InternalNext(curr))
|
|
{
|
|
yield return NativeToManaged<T>(InternalDataGet(curr));
|
|
}
|
|
}
|
|
|
|
/// <summary>Gets an enumerator into this list.
|
|
/// <para>Since EFL 1.23.</para>
|
|
/// </summary>
|
|
/// <returns>The enumerator.</returns>
|
|
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
|
|
{
|
|
return this.GetEnumerator();
|
|
}
|
|
|
|
/// <summary> Gets an Accessor for this List.
|
|
/// <para>Since EFL 1.23.</para>
|
|
/// </summary>
|
|
/// <returns>The accessor.</returns>
|
|
public Eina.Accessor<T> GetAccessor()
|
|
{
|
|
return new Eina.Accessor<T>(eina_list_accessor_new(Handle), Ownership.Managed);
|
|
}
|
|
}
|
|
|
|
}
|