增加spine4.0
This commit is contained in:
637
SpineRuntimes/SpineRuntime40/ExposedList.cs
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637
SpineRuntimes/SpineRuntime40/ExposedList.cs
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//
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// System.Collections.Generic.List
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//
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// Authors:
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// Ben Maurer (bmaurer@ximian.com)
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// Martin Baulig (martin@ximian.com)
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// Carlos Alberto Cortez (calberto.cortez@gmail.com)
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// David Waite (mass@akuma.org)
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//
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// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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// Copyright (C) 2005 David Waite
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Diagnostics;
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namespace SpineRuntime40 {
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[DebuggerDisplay("Count={Count}")]
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public class ExposedList<T> : IEnumerable<T> {
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public T[] Items;
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public int Count;
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private const int DefaultCapacity = 4;
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private static readonly T[] EmptyArray = new T[0];
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private int version;
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public ExposedList () {
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Items = EmptyArray;
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}
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public ExposedList (IEnumerable<T> collection) {
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CheckCollection(collection);
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// initialize to needed size (if determinable)
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ICollection<T> c = collection as ICollection<T>;
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if (c == null) {
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Items = EmptyArray;
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AddEnumerable(collection);
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} else {
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Items = new T[c.Count];
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AddCollection(c);
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}
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}
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public ExposedList (int capacity) {
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if (capacity < 0)
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throw new ArgumentOutOfRangeException("capacity");
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Items = new T[capacity];
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}
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internal ExposedList (T[] data, int size) {
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Items = data;
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Count = size;
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}
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public void Add (T item) {
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// If we check to see if we need to grow before trying to grow
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// we can speed things up by 25%
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if (Count == Items.Length)
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GrowIfNeeded(1);
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Items[Count++] = item;
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version++;
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}
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public void GrowIfNeeded (int addedCount) {
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int minimumSize = Count + addedCount;
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if (minimumSize > Items.Length)
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Capacity = Math.Max(Math.Max(Capacity * 2, DefaultCapacity), minimumSize);
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}
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public ExposedList<T> Resize (int newSize) {
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int itemsLength = Items.Length;
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var oldItems = Items;
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if (newSize > itemsLength) {
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Array.Resize(ref Items, newSize);
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} else if (newSize < itemsLength) {
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// Allow nulling of T reference type to allow GC.
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for (int i = newSize; i < itemsLength; i++)
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oldItems[i] = default(T);
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}
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Count = newSize;
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return this;
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}
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public void EnsureCapacity (int min) {
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if (Items.Length < min) {
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int newCapacity = Items.Length == 0 ? DefaultCapacity : Items.Length * 2;
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//if ((uint)newCapacity > Array.MaxArrayLength) newCapacity = Array.MaxArrayLength;
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if (newCapacity < min) newCapacity = min;
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Capacity = newCapacity;
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}
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}
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private void CheckRange (int index, int count) {
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if (index < 0)
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throw new ArgumentOutOfRangeException("index");
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if (count < 0)
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throw new ArgumentOutOfRangeException("count");
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if ((uint)index + (uint)count > (uint)Count)
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throw new ArgumentException("index and count exceed length of list");
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}
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private void AddCollection (ICollection<T> collection) {
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int collectionCount = collection.Count;
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if (collectionCount == 0)
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return;
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GrowIfNeeded(collectionCount);
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collection.CopyTo(Items, Count);
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Count += collectionCount;
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}
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private void AddEnumerable (IEnumerable<T> enumerable) {
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foreach (T t in enumerable) {
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Add(t);
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}
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}
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// Additional overload provided because ExposedList<T> only implements IEnumerable<T>,
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// leading to sub-optimal behavior: It grows multiple times as it assumes not
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// to know the final size ahead of insertion.
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public void AddRange (ExposedList<T> list) {
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CheckCollection(list);
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int collectionCount = list.Count;
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if (collectionCount == 0)
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return;
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GrowIfNeeded(collectionCount);
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list.CopyTo(Items, Count);
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Count += collectionCount;
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version++;
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}
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public void AddRange (IEnumerable<T> collection) {
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CheckCollection(collection);
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ICollection<T> c = collection as ICollection<T>;
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if (c != null)
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AddCollection(c);
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else
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AddEnumerable(collection);
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version++;
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}
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public int BinarySearch (T item) {
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return Array.BinarySearch<T>(Items, 0, Count, item);
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}
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public int BinarySearch (T item, IComparer<T> comparer) {
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return Array.BinarySearch<T>(Items, 0, Count, item, comparer);
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}
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public int BinarySearch (int index, int count, T item, IComparer<T> comparer) {
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CheckRange(index, count);
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return Array.BinarySearch<T>(Items, index, count, item, comparer);
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}
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public void Clear (bool clearArray = true) {
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if (clearArray)
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Array.Clear(Items, 0, Items.Length);
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Count = 0;
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version++;
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}
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public bool Contains (T item) {
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return Array.IndexOf<T>(Items, item, 0, Count) != -1;
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}
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public ExposedList<TOutput> ConvertAll<TOutput> (Converter<T, TOutput> converter) {
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if (converter == null)
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throw new ArgumentNullException("converter");
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ExposedList<TOutput> u = new ExposedList<TOutput>(Count);
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u.Count = Count;
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T[] items = Items;
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TOutput[] uItems = u.Items;
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for (int i = 0; i < Count; i++)
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uItems[i] = converter(items[i]);
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return u;
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}
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public void CopyTo (T[] array) {
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Array.Copy(Items, 0, array, 0, Count);
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}
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public void CopyTo (T[] array, int arrayIndex) {
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Array.Copy(Items, 0, array, arrayIndex, Count);
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}
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public void CopyTo (int index, T[] array, int arrayIndex, int count) {
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CheckRange(index, count);
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Array.Copy(Items, index, array, arrayIndex, count);
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}
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public bool Exists (Predicate<T> match) {
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CheckMatch(match);
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return GetIndex(0, Count, match) != -1;
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}
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public T Find (Predicate<T> match) {
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CheckMatch(match);
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int i = GetIndex(0, Count, match);
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return (i != -1) ? Items[i] : default(T);
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}
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private static void CheckMatch (Predicate<T> match) {
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if (match == null)
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throw new ArgumentNullException("match");
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}
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public ExposedList<T> FindAll (Predicate<T> match) {
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CheckMatch(match);
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return FindAllList(match);
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}
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private ExposedList<T> FindAllList (Predicate<T> match) {
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ExposedList<T> results = new ExposedList<T>();
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for (int i = 0; i < Count; i++)
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if (match(Items[i]))
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results.Add(Items[i]);
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return results;
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}
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public int FindIndex (Predicate<T> match) {
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CheckMatch(match);
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return GetIndex(0, Count, match);
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}
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public int FindIndex (int startIndex, Predicate<T> match) {
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CheckMatch(match);
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CheckIndex(startIndex);
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return GetIndex(startIndex, Count - startIndex, match);
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}
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public int FindIndex (int startIndex, int count, Predicate<T> match) {
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CheckMatch(match);
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CheckRange(startIndex, count);
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return GetIndex(startIndex, count, match);
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}
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private int GetIndex (int startIndex, int count, Predicate<T> match) {
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int end = startIndex + count;
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for (int i = startIndex; i < end; i++)
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if (match(Items[i]))
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return i;
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return -1;
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}
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public T FindLast (Predicate<T> match) {
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CheckMatch(match);
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int i = GetLastIndex(0, Count, match);
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return i == -1 ? default(T) : Items[i];
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}
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public int FindLastIndex (Predicate<T> match) {
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CheckMatch(match);
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return GetLastIndex(0, Count, match);
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}
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public int FindLastIndex (int startIndex, Predicate<T> match) {
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CheckMatch(match);
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CheckIndex(startIndex);
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return GetLastIndex(0, startIndex + 1, match);
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}
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public int FindLastIndex (int startIndex, int count, Predicate<T> match) {
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CheckMatch(match);
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int start = startIndex - count + 1;
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CheckRange(start, count);
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return GetLastIndex(start, count, match);
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}
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private int GetLastIndex (int startIndex, int count, Predicate<T> match) {
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// unlike FindLastIndex, takes regular params for search range
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for (int i = startIndex + count; i != startIndex;)
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if (match(Items[--i]))
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return i;
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return -1;
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}
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public void ForEach (Action<T> action) {
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if (action == null)
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throw new ArgumentNullException("action");
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for (int i = 0; i < Count; i++)
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action(Items[i]);
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}
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public Enumerator GetEnumerator () {
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return new Enumerator(this);
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}
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public ExposedList<T> GetRange (int index, int count) {
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CheckRange(index, count);
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T[] tmpArray = new T[count];
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Array.Copy(Items, index, tmpArray, 0, count);
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return new ExposedList<T>(tmpArray, count);
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}
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public int IndexOf (T item) {
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return Array.IndexOf<T>(Items, item, 0, Count);
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}
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public int IndexOf (T item, int index) {
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CheckIndex(index);
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return Array.IndexOf<T>(Items, item, index, Count - index);
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}
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public int IndexOf (T item, int index, int count) {
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if (index < 0)
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throw new ArgumentOutOfRangeException("index");
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if (count < 0)
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throw new ArgumentOutOfRangeException("count");
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if ((uint)index + (uint)count > (uint)Count)
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throw new ArgumentOutOfRangeException("index and count exceed length of list");
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return Array.IndexOf<T>(Items, item, index, count);
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}
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private void Shift (int start, int delta) {
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if (delta < 0)
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start -= delta;
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if (start < Count)
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Array.Copy(Items, start, Items, start + delta, Count - start);
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Count += delta;
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if (delta < 0)
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Array.Clear(Items, Count, -delta);
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}
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private void CheckIndex (int index) {
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if (index < 0 || (uint)index > (uint)Count)
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throw new ArgumentOutOfRangeException("index");
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}
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public void Insert (int index, T item) {
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CheckIndex(index);
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if (Count == Items.Length)
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GrowIfNeeded(1);
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Shift(index, 1);
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Items[index] = item;
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version++;
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}
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private void CheckCollection (IEnumerable<T> collection) {
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if (collection == null)
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throw new ArgumentNullException("collection");
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}
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public void InsertRange (int index, IEnumerable<T> collection) {
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CheckCollection(collection);
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CheckIndex(index);
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if (collection == this) {
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T[] buffer = new T[Count];
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CopyTo(buffer, 0);
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GrowIfNeeded(Count);
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Shift(index, buffer.Length);
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Array.Copy(buffer, 0, Items, index, buffer.Length);
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} else {
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ICollection<T> c = collection as ICollection<T>;
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if (c != null)
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InsertCollection(index, c);
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else
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InsertEnumeration(index, collection);
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}
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version++;
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}
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private void InsertCollection (int index, ICollection<T> collection) {
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int collectionCount = collection.Count;
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GrowIfNeeded(collectionCount);
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Shift(index, collectionCount);
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collection.CopyTo(Items, index);
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}
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private void InsertEnumeration (int index, IEnumerable<T> enumerable) {
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foreach (T t in enumerable)
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Insert(index++, t);
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}
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public int LastIndexOf (T item) {
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return Array.LastIndexOf<T>(Items, item, Count - 1, Count);
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}
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public int LastIndexOf (T item, int index) {
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CheckIndex(index);
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return Array.LastIndexOf<T>(Items, item, index, index + 1);
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}
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public int LastIndexOf (T item, int index, int count) {
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if (index < 0)
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throw new ArgumentOutOfRangeException("index", index, "index is negative");
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if (count < 0)
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throw new ArgumentOutOfRangeException("count", count, "count is negative");
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if (index - count + 1 < 0)
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throw new ArgumentOutOfRangeException("count", count, "count is too large");
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return Array.LastIndexOf<T>(Items, item, index, count);
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}
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public bool Remove (T item) {
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int loc = IndexOf(item);
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if (loc != -1)
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RemoveAt(loc);
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return loc != -1;
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}
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public int RemoveAll (Predicate<T> match) {
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CheckMatch(match);
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int i = 0;
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int j = 0;
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// Find the first item to remove
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for (i = 0; i < Count; i++)
|
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if (match(Items[i]))
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break;
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||||
|
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if (i == Count)
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return 0;
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|
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version++;
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// Remove any additional items
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for (j = i + 1; j < Count; j++) {
|
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if (!match(Items[j]))
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Items[i++] = Items[j];
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}
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if (j - i > 0)
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Array.Clear(Items, i, j - i);
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Count = i;
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return (j - i);
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}
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public void RemoveAt (int index) {
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if (index < 0 || (uint)index >= (uint)Count)
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throw new ArgumentOutOfRangeException("index");
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Shift(index, -1);
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Array.Clear(Items, Count, 1);
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version++;
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||||
}
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// Spine Added Method
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// Based on Stack<T>.Pop(); https://referencesource.microsoft.com/#mscorlib/system/collections/stack.cs
|
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/// <summary>Pops the last item of the list. If the list is empty, Pop throws an InvalidOperationException.</summary>
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||||
public T Pop () {
|
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if (Count == 0)
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||||
throw new InvalidOperationException("List is empty. Nothing to pop.");
|
||||
|
||||
int i = Count - 1;
|
||||
T item = Items[i];
|
||||
Items[i] = default(T);
|
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Count--;
|
||||
version++;
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||||
return item;
|
||||
}
|
||||
|
||||
public void RemoveRange (int index, int count) {
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||||
CheckRange(index, count);
|
||||
if (count > 0) {
|
||||
Shift(index, -count);
|
||||
Array.Clear(Items, Count, count);
|
||||
version++;
|
||||
}
|
||||
}
|
||||
|
||||
public void Reverse () {
|
||||
Array.Reverse(Items, 0, Count);
|
||||
version++;
|
||||
}
|
||||
|
||||
public void Reverse (int index, int count) {
|
||||
CheckRange(index, count);
|
||||
Array.Reverse(Items, index, count);
|
||||
version++;
|
||||
}
|
||||
|
||||
public void Sort () {
|
||||
Array.Sort<T>(Items, 0, Count, Comparer<T>.Default);
|
||||
version++;
|
||||
}
|
||||
|
||||
public void Sort (IComparer<T> comparer) {
|
||||
Array.Sort<T>(Items, 0, Count, comparer);
|
||||
version++;
|
||||
}
|
||||
|
||||
public void Sort (Comparison<T> comparison) {
|
||||
Array.Sort<T>(Items, comparison);
|
||||
version++;
|
||||
}
|
||||
|
||||
public void Sort (int index, int count, IComparer<T> comparer) {
|
||||
CheckRange(index, count);
|
||||
Array.Sort<T>(Items, index, count, comparer);
|
||||
version++;
|
||||
}
|
||||
|
||||
public T[] ToArray () {
|
||||
T[] t = new T[Count];
|
||||
Array.Copy(Items, t, Count);
|
||||
|
||||
return t;
|
||||
}
|
||||
|
||||
public void TrimExcess () {
|
||||
Capacity = Count;
|
||||
}
|
||||
|
||||
public bool TrueForAll (Predicate<T> match) {
|
||||
CheckMatch(match);
|
||||
|
||||
for (int i = 0; i < Count; i++)
|
||||
if (!match(Items[i]))
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
public int Capacity {
|
||||
get {
|
||||
return Items.Length;
|
||||
}
|
||||
set {
|
||||
if ((uint)value < (uint)Count)
|
||||
throw new ArgumentOutOfRangeException();
|
||||
|
||||
Array.Resize(ref Items, value);
|
||||
}
|
||||
}
|
||||
|
||||
#region Interface implementations.
|
||||
|
||||
IEnumerator<T> IEnumerable<T>.GetEnumerator () {
|
||||
return GetEnumerator();
|
||||
}
|
||||
|
||||
IEnumerator IEnumerable.GetEnumerator () {
|
||||
return GetEnumerator();
|
||||
}
|
||||
|
||||
#endregion
|
||||
|
||||
public struct Enumerator : IEnumerator<T>, IDisposable {
|
||||
private ExposedList<T> l;
|
||||
private int next;
|
||||
private int ver;
|
||||
private T current;
|
||||
|
||||
internal Enumerator (ExposedList<T> l)
|
||||
: this() {
|
||||
this.l = l;
|
||||
ver = l.version;
|
||||
}
|
||||
|
||||
public void Dispose () {
|
||||
l = null;
|
||||
}
|
||||
|
||||
private void VerifyState () {
|
||||
if (l == null)
|
||||
throw new ObjectDisposedException(GetType().FullName);
|
||||
if (ver != l.version)
|
||||
throw new InvalidOperationException(
|
||||
"Collection was modified; enumeration operation may not execute.");
|
||||
}
|
||||
|
||||
public bool MoveNext () {
|
||||
VerifyState();
|
||||
|
||||
if (next < 0)
|
||||
return false;
|
||||
|
||||
if (next < l.Count) {
|
||||
current = l.Items[next++];
|
||||
return true;
|
||||
}
|
||||
|
||||
next = -1;
|
||||
return false;
|
||||
}
|
||||
|
||||
public T Current {
|
||||
get {
|
||||
return current;
|
||||
}
|
||||
}
|
||||
|
||||
void IEnumerator.Reset () {
|
||||
VerifyState();
|
||||
next = 0;
|
||||
}
|
||||
|
||||
object IEnumerator.Current {
|
||||
get {
|
||||
VerifyState();
|
||||
if (next <= 0)
|
||||
throw new InvalidOperationException();
|
||||
return current;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user