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where TKey : notnull, IComparable

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This commit is contained in:
neuecc 2021-09-10 14:43:42 +09:00
parent 56e780ba35
commit 35c4d2eb4d
10 changed files with 28 additions and 37 deletions
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6
src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/IObservableCollection.cs
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@ -51,19 +51,19 @@ namespace ObservableCollections
public static class ObservableCollectionsExtensions
{
public static ISynchronizedView<T, TView> CreateSortedView<T, TKey, TView>(this IObservableCollection<T> source, Func<T, TKey> identitySelector, Func<T, TView> transform, IComparer<T> comparer)
where TKey : IComparable<TKey>
{
return new SortedView<T, TKey, TView>(source, identitySelector, transform, comparer);
}
public static ISynchronizedView<T, TView> CreateSortedView<T, TKey, TView>(this IObservableCollection<T> source, Func<T, TKey> identitySelector, Func<T, TView> transform, IComparer<TView> viewComparer)
where TKey : IComparable<TKey>
{
return new SortedViewViewComparer<T, TKey, TView>(source, identitySelector, transform, viewComparer);
}
public static ISynchronizedView<T, TView> CreateSortedView<T, TKey, TView, TCompare>(this IObservableCollection<T> source, Func<T, TKey> identitySelector, Func<T, TView> transform, Func<T, TCompare> compareSelector, bool ascending = true)
where TKey : IComparable<TKey>
{
return source.CreateSortedView(identitySelector, transform, new AnonymousComparer<T, TCompare>(compareSelector, ascending));
}

2
src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedView.cs
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@ -7,7 +7,7 @@ using System.Linq;
namespace ObservableCollections.Internal
{
internal class SortedView<T, TKey, TView> : ISynchronizedView<T, TView>
where TKey : IComparable<TKey>
{
readonly IObservableCollection<T> source;
readonly Func<T, TView> transform;

2
src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/Internal/SortedViewViewComparer.cs
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@ -7,7 +7,7 @@ using System.Linq;
namespace ObservableCollections.Internal
{
internal class SortedViewViewComparer<T, TKey, TView> : ISynchronizedView<T, TView>
where TKey : IComparable<TKey>
{
readonly IObservableCollection<T> source;
readonly Func<T, TView> transform;

13
src/ObservableCollections.Unity/Assets/Plugins/ObservableCollections/Runtime/ObservableDictionary.Views.cs
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@ -14,18 +14,7 @@ namespace ObservableCollections
// reverse is no used.
return new View<TView>(this, transform);
}
// using key implicitly
public ISynchronizedView<KeyValuePair<TKey, TValue>, TView> CreateSortedView<TView>(Func<KeyValuePair<TKey, TValue>, TView> transform, IComparer<KeyValuePair<TKey, TValue>> comparer)
{
return this.CreateSortedView(x => x.Key, transform, comparer);
}
public ISynchronizedView<KeyValuePair<TKey, TValue>, TView> CreateSortedView<TView>(Func<KeyValuePair<TKey, TValue>, TView> transform, IComparer<TView> viewComparer)
{
return this.CreateSortedView(x => x.Key, transform, viewComparer);
}
class View<TView> : ISynchronizedView<KeyValuePair<TKey, TValue>, TView>
{
readonly ObservableDictionary<TKey, TValue> source;

6
src/ObservableCollections/IObservableCollection.cs
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@ -51,19 +51,19 @@ namespace ObservableCollections
public static class ObservableCollectionsExtensions
{
public static ISynchronizedView<T, TView> CreateSortedView<T, TKey, TView>(this IObservableCollection<T> source, Func<T, TKey> identitySelector, Func<T, TView> transform, IComparer<T> comparer)
where TKey : notnull
where TKey : notnull, IComparable<TKey>
{
return new SortedView<T, TKey, TView>(source, identitySelector, transform, comparer);
}
public static ISynchronizedView<T, TView> CreateSortedView<T, TKey, TView>(this IObservableCollection<T> source, Func<T, TKey> identitySelector, Func<T, TView> transform, IComparer<TView> viewComparer)
where TKey : notnull
where TKey : notnull, IComparable<TKey>
{
return new SortedViewViewComparer<T, TKey, TView>(source, identitySelector, transform, viewComparer);
}
public static ISynchronizedView<T, TView> CreateSortedView<T, TKey, TView, TCompare>(this IObservableCollection<T> source, Func<T, TKey> identitySelector, Func<T, TView> transform, Func<T, TCompare> compareSelector, bool ascending = true)
where TKey : notnull
where TKey : notnull, IComparable<TKey>
{
return source.CreateSortedView(identitySelector, transform, new AnonymousComparer<T, TCompare>(compareSelector, ascending));
}

10
src/ObservableCollections/Internal/SortedView.cs
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@ -7,7 +7,7 @@ using System.Linq;
namespace ObservableCollections.Internal
{
internal class SortedView<T, TKey, TView> : ISynchronizedView<T, TView>
where TKey : notnull
where TKey : notnull, IComparable<TKey>
{
readonly IObservableCollection<T> source;
readonly Func<T, TView> transform;
@ -212,7 +212,13 @@ namespace ObservableCollections.Internal
public int Compare((T value, TKey id) x, (T value, TKey id) y)
{
return comparer.Compare(x.value, y.value);
var compare = comparer.Compare(x.value, y.value);
if (compare == 0)
{
compare = Comparer<TKey>.Default.Compare(x.id, y.id);
}
return compare;
}
}
}

10
src/ObservableCollections/Internal/SortedViewViewComparer.cs
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@ -7,7 +7,7 @@ using System.Linq;
namespace ObservableCollections.Internal
{
internal class SortedViewViewComparer<T, TKey, TView> : ISynchronizedView<T, TView>
where TKey : notnull
where TKey : notnull, IComparable<TKey>
{
readonly IObservableCollection<T> source;
readonly Func<T, TView> transform;
@ -231,7 +231,13 @@ namespace ObservableCollections.Internal
public int Compare((TView view, TKey id) x, (TView view, TKey id) y)
{
return comparer.Compare(x.view, y.view);
var compare = comparer.Compare(x.view, y.view);
if (compare == 0)
{
compare = Comparer<TKey>.Default.Compare(x.id, y.id);
}
return compare;
}
}
}

13
src/ObservableCollections/ObservableDictionary.Views.cs
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@ -14,18 +14,7 @@ namespace ObservableCollections
// reverse is no used.
return new View<TView>(this, transform);
}
// using key implicitly
public ISynchronizedView<KeyValuePair<TKey, TValue>, TView> CreateSortedView<TView>(Func<KeyValuePair<TKey, TValue>, TView> transform, IComparer<KeyValuePair<TKey, TValue>> comparer)
{
return this.CreateSortedView(x => x.Key, transform, comparer);
}
public ISynchronizedView<KeyValuePair<TKey, TValue>, TView> CreateSortedView<TView>(Func<KeyValuePair<TKey, TValue>, TView> transform, IComparer<TView> viewComparer)
{
return this.CreateSortedView(x => x.Key, transform, viewComparer);
}
class View<TView> : ISynchronizedView<KeyValuePair<TKey, TValue>, TView>
{
readonly ObservableDictionary<TKey, TValue> source;

2
tests/ObservableCollections.Tests/ObservableDictionaryTest.cs
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@ -106,7 +106,7 @@ namespace ObservableCollections.Tests
var dict = new ObservableDictionary<int, int>();
var view1 = dict.CreateView(x => new ViewContainer<int>(x.Value));
var view2 = dict.CreateSortedView(x => x.Key, x => new ViewContainer<int>(x.Value), x => x.Value, true);
var view3 = dict.CreateSortedView(x => new ViewContainer<int>(x.Value), viewComparer: Comparer<ViewContainer<int>>.Default);
var view3 = dict.CreateSortedView(x => new ViewContainer<int>(x.Value), x => x.Value, viewComparer: Comparer<ViewContainer<int>>.Default);
var filter1 = new TestFilter2<int>((x, v) => x.Value % 2 == 0);
var filter2 = new TestFilter2<int>((x, v) => x.Value % 2 == 0);
var filter3 = new TestFilter2<int>((x, v) => x.Value % 2 == 0);

1
tools/PostBuildUtility/Program.cs
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@ -24,6 +24,7 @@ namespace PostBuildUtility
// Remove nullable
{"#nullable disable", "" },
{"where T : notnull", "" },
{"where TKey : notnull, IComparable<TKey>", "where TKey : IComparable<TKey>" }, // override project specified
{"where TKey : notnull", "" },
{">?", ">" }, // generics <T>?
{"T?", "T" },