/*
* 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.
*/
#pragma warning disable 1591
using System;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using System.ComponentModel;
using static Eina.TraitFunctions;
using static Eina.ListNativeFunctions;
using Eina.Callbacks;
namespace Eina
{
[EditorBrowsable(EditorBrowsableState.Never)]
public static class ListNativeFunctions
{
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_append(IntPtr list, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_prepend(IntPtr list, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_append_relative(IntPtr list, IntPtr data, IntPtr relative);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_append_relative_list(IntPtr list, IntPtr data, IntPtr relative);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_prepend_relative(IntPtr list, IntPtr data, IntPtr relative);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_prepend_relative_list(IntPtr list, IntPtr data, IntPtr relative);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_sorted_insert(IntPtr list, IntPtr func, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_remove(IntPtr list, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_remove_list(IntPtr list, IntPtr remove_list);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_promote_list(IntPtr list, IntPtr move_list);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_demote_list(IntPtr list, IntPtr move_list);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_data_find(IntPtr list, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_data_find_list(IntPtr list, IntPtr data);
[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] internal static extern bool
eina_list_move(ref IntPtr to, ref IntPtr from, IntPtr data);
[DllImport(efl.Libs.Eina)] [return: MarshalAs(UnmanagedType.U1)] internal static extern bool
eina_list_move_list(ref IntPtr to, ref IntPtr from, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_free(IntPtr list);
[DllImport(efl.Libs.CustomExports)] internal static extern void
efl_mono_thread_safe_eina_list_free(IntPtr list);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_nth(IntPtr list, uint n);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_nth_list(IntPtr list, uint n);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_reverse(IntPtr list);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_reverse_clone(IntPtr list);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_clone(IntPtr list);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_sort(IntPtr list, uint limit, IntPtr func);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_shuffle(IntPtr list, IntPtr func);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_merge(IntPtr left, IntPtr right);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_sorted_merge(IntPtr left, IntPtr right, IntPtr func);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_split_list(IntPtr list, IntPtr relative, ref IntPtr right);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_search_sorted_near_list(IntPtr list, IntPtr func, IntPtr data, IntPtr result_cmp);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_search_sorted_list(IntPtr list, IntPtr func, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_search_sorted(IntPtr list, IntPtr func, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_search_unsorted_list(IntPtr list, IntPtr func, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_search_unsorted(IntPtr list, IntPtr func, IntPtr data);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_iterator_new(IntPtr list);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_iterator_reversed_new(IntPtr list);
[DllImport(efl.Libs.Eina)] internal static extern IntPtr
eina_list_accessor_new(IntPtr list);
[DllImport(efl.Libs.Eina)] internal static extern int
eina_list_data_idx(IntPtr list, IntPtr data);
[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
eina_list_last_custom_export_mono(IntPtr list);
[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
eina_list_next_custom_export_mono(IntPtr list);
[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
eina_list_prev_custom_export_mono(IntPtr list);
[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
eina_list_data_get_custom_export_mono(IntPtr list);
[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
eina_list_data_set_custom_export_mono(IntPtr list, IntPtr data);
[DllImport(efl.Libs.CustomExports)] internal static extern uint
eina_list_count_custom_export_mono(IntPtr list);
[DllImport(efl.Libs.CustomExports)] internal static extern IntPtr
eina_list_last_data_get_custom_export_mono(IntPtr list);
}
/// Native wrapper around a linked list of items.
/// Since EFL 1.23.
///
public class List : IEnumerable, IDisposable
{
[EditorBrowsable(EditorBrowsableState.Never)]
public IntPtr Handle {get;set;} = IntPtr.Zero;
/// Whether this managed list owns the native one.
/// Since EFL 1.23.
///
public bool Own {get;set;}
/// Whether the native list wrapped owns the content it points to.
/// Since EFL 1.23.
///
public bool OwnContent {get;set;}
/// Delegate for comparing two elements of this list.
/// Since EFL 1.23.
///
/// First element.
/// Second element.
/// -1, 0 or 1 for respectively smaller, equal or larger.
public delegate int Compare(T a, T b);
/// The number of elements on this list.
/// Since EFL 1.23.
///
public int Length
{
get { return Count(); }
}
private void InitNew()
{
Handle = IntPtr.Zero;
Own = true;
OwnContent = true;
}
private IntPtr InternalLast()
{
return eina_list_last_custom_export_mono(Handle);
}
private static IntPtr InternalNext(IntPtr list)
{
return eina_list_next_custom_export_mono(list);
}
private static IntPtr InternalPrev(IntPtr list)
{
return eina_list_prev_custom_export_mono(list);
}
private static IntPtr InternalDataGet(IntPtr list)
{
return eina_list_data_get_custom_export_mono(list);
}
private static IntPtr InternalDataSet(IntPtr list, IntPtr data)
{
return eina_list_data_set_custom_export_mono(list, data);
}
/// Creates a new empty list.
/// Since EFL 1.23.
///
public List()
{
InitNew();
}
/// Creates a new list wrapping the given handle.
[EditorBrowsable(EditorBrowsableState.Never)]
public List(IntPtr handle, bool own)
{
Handle = handle;
Own = own;
OwnContent = own;
}
/// Creates a new list wrapping the given handle.
[EditorBrowsable(EditorBrowsableState.Never)]
public List(IntPtr handle, bool own, bool ownContent)
{
Handle = handle;
Own = own;
OwnContent = ownContent;
}
/// Finalizes this list.
/// Since EFL 1.23.
///
~List()
{
Dispose(false);
}
/// Disposes of this list.
/// Since EFL 1.23.
///
/// Whether this was called from the finalizer (false) or from the
/// method.
protected virtual void Dispose(bool disposing)
{
IntPtr h = Handle;
Handle = IntPtr.Zero;
if (h == IntPtr.Zero)
{
return;
}
if (Own && OwnContent)
{
for (IntPtr curr = h; curr != IntPtr.Zero; curr = InternalNext(curr))
{
NativeFree(InternalDataGet(curr));
}
}
if (Own)
{
if (disposing)
{
eina_list_free(h);
}
else
{
efl_mono_thread_safe_eina_list_free(h);
}
}
}
/// Disposes of this list.
/// Since EFL 1.23.
///
public void Dispose()
{
Dispose(true);
GC.SuppressFinalize(this);
}
/// Disposes of this list.
/// Since EFL 1.23.
///
public void Free()
{
Dispose();
}
/// Relinquishes of the native list.
/// Since EFL 1.23.
///
/// The previously wrapped native list handle.
public IntPtr Release()
{
IntPtr h = Handle;
Handle = IntPtr.Zero;
return h;
}
/// Sets whether this wrapper should own the native list or not.
/// Since EFL 1.23.
///
/// If the hash own for all ownerships.
public void SetOwnership(bool ownAll)
{
Own = ownAll;
OwnContent = ownAll;
}
/// Sets whether this wrapper should own the native list and
/// its content or not.
/// Since EFL 1.23.
///
/// If own the object.
/// If own the content's object.
public void SetOwnership(bool own, bool ownContent)
{
Own = own;
OwnContent = ownContent;
}
/// Returns the number of elements in this list.
/// Since EFL 1.23.
///
/// The number of elements.
public int Count()
{
return (int)eina_list_count_custom_export_mono(Handle);
}
/// Appends val to the list.
/// Since EFL 1.23.
///
/// The item to be appended.
public void Append(T val)
{
IntPtr ele = ManagedToNativeAlloc(val);
Handle = eina_list_append(Handle, ele);
}
/// Prepends val to the list.
/// Since EFL 1.23.
///
/// The item to be prepended.
public void Prepend(T val)
{
IntPtr ele = ManagedToNativeAlloc(val);
Handle = eina_list_prepend(Handle, ele);
}
/// Inserts val in the list in a sorted manner.
/// It presumes the list is already sorted.
/// Since EFL 1.23.
///
/// The item to be inserted.
public void SortedInsert(T val)
{
IntPtr ele = ManagedToNativeAlloc(val);
Handle = eina_list_sorted_insert(Handle, EinaCompareCb(), ele);
}
/// Inserts val in the list in a sorted manner with the
/// given compareCb for element comparison.
/// It presumes the list is already sorted.
/// Since EFL 1.23.
///
/// The function to compare two elements of the list.
/// The item to be inserted.
public void SortedInsert(Compare compareCb, T val)
{
IntPtr ele = ManagedToNativeAlloc(val);
Handle = eina_list_sorted_insert(Handle, Marshal.GetFunctionPointerForDelegate(GetNativeCompareCb(compareCb)), ele);
}
/// Sorts limit elements in this list inplace.
/// Since EFL 1.23.
///
/// The max number of elements to be sorted.
public void Sort(int limit = 0)
{
Handle = eina_list_sort(Handle, (uint)limit, EinaCompareCb());
}
/// Sorts all elements in this list inplace.
/// Since EFL 1.23.
///
/// The function to compare two elements of the list.
public void Sort(Compare compareCb)
{
Handle = eina_list_sort(Handle, 0, Marshal.GetFunctionPointerForDelegate(GetNativeCompareCb(compareCb)));
}
/// Sorts limit elements in this list inplace.
/// Since EFL 1.23.
///
/// The max number of elements to be sorted.
/// The function to compare two elements of the list.
public void Sort(int limit, Compare compareCb)
{
Handle = eina_list_sort(Handle, (uint)limit, Marshal.GetFunctionPointerForDelegate(GetNativeCompareCb(compareCb)));
}
private Eina.Callbacks.EinaCompareCb GetNativeCompareCb(Compare managedCb)
{
return (IntPtr a, IntPtr b) => {
return managedCb(NativeToManaged(a), NativeToManaged(b));
};
}
/// Returns the nth element of this list. Due to marshalling details, the returned element
/// may be a different C# object from the one you used to append.
/// Since EFL 1.23.
///
/// The 0-based index to be retrieved.
/// The value in the specified element.
public T Nth(int n)
{
// TODO: check bounds ???
IntPtr ele = eina_list_nth(Handle, (uint)n);
return NativeToManaged(ele);
}
/// Sets the data at the idx position.
/// Since EFL 1.23.
///
/// The 0-based index to be set.
/// The value to be inserted.
public void DataSet(int idx, T val)
{
IntPtr pos = eina_list_nth_list(Handle, (uint)idx);
if (pos == IntPtr.Zero)
{
throw new IndexOutOfRangeException();
}
if (OwnContent)
{
NativeFree(InternalDataGet(pos));
}
IntPtr ele = ManagedToNativeAlloc(val);
InternalDataSet(pos, ele);
}
/// Accessor for the data at the idx position.
/// Since EFL 1.23.
///
/// The 0-based index to be get/set.
public T this[int idx]
{
get
{
return Nth(idx);
}
set
{
DataSet(idx, value);
}
}
/// Returns the data at the last list element.
/// Since EFL 1.23.
///
/// The value contained in the last list position.
public T LastDataGet()
{
IntPtr ele = eina_list_last_data_get_custom_export_mono(Handle);
return NativeToManaged(ele);
}
/// Reverses this list in place.
/// Since EFL 1.23.
///
/// A reference to this object.
public List Reverse()
{
Handle = eina_list_reverse(Handle);
return this;
}
/// Randomly shuffles this list in place.
/// Since EFL 1.23.
///
public void Shuffle()
{
Handle = eina_list_shuffle(Handle, IntPtr.Zero);
}
/// Gets a C# array of the elements in this list.
/// Since EFL 1.23.
///
/// A managed array of the elements.
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(InternalDataGet(curr));
}
return managed;
}
/// Appends the given array of elements to this list.
/// Since EFL 1.23.
///
/// The values to be appended.
public void AppendArray(T[] values)
{
foreach (T v in values)
{
Append(v);
}
}
/// Gets an iterator that iterates this list in normal order.
/// Since EFL 1.23.
///
/// The iterator.
public Eina.Iterator GetIterator()
{
return new Eina.Iterator(eina_list_iterator_new(Handle), true);
}
/// Gets an iterator that iterates this list in reverse order.
/// Since EFL 1.23.
///
/// The iterator.
public Eina.Iterator GetReversedIterator()
{
return new Eina.Iterator(eina_list_iterator_reversed_new(Handle), true);
}
/// Gets an enumerator into this list.
/// Since EFL 1.23.
///
/// The enumerator.
public IEnumerator GetEnumerator()
{
for (IntPtr curr = Handle; curr != IntPtr.Zero; curr = InternalNext(curr))
{
yield return NativeToManaged(InternalDataGet(curr));
}
}
/// Gets an enumerator into this list.
/// Since EFL 1.23.
///
/// The enumerator.
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return this.GetEnumerator();
}
/// Gets an Accessor for this List.
/// Since EFL 1.23.
///
/// The accessor.
public Eina.Accessor GetAccessor()
{
return new Eina.Accessor(eina_list_accessor_new(Handle), Ownership.Managed);
}
}
}