ADD week 5
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								02-Easy5/E5/sources/kotlin/collections/RingBuffer.java
									
									
									
									
									
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								02-Easy5/E5/sources/kotlin/collections/RingBuffer.java
									
									
									
									
									
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							| @@ -0,0 +1,161 @@ | ||||
| package kotlin.collections; | ||||
|  | ||||
| import java.util.Arrays; | ||||
| import java.util.Iterator; | ||||
| import java.util.RandomAccess; | ||||
| import kotlin.Metadata; | ||||
| import kotlin.jvm.internal.Intrinsics; | ||||
| import kotlin.ranges.RangesKt; | ||||
|  | ||||
| /* compiled from: SlidingWindow.kt */ | ||||
| @Metadata(d1 = {"\u0000>\n\u0002\u0018\u0002\n\u0000\n\u0002\u0018\u0002\n\u0002\u0018\u0002\n\u0002\u0018\u0002\n\u0000\n\u0002\u0010\b\n\u0002\b\u0002\n\u0002\u0010\u0011\n\u0002\u0010\u0000\n\u0002\b\t\n\u0002\u0010\u0002\n\u0002\b\b\n\u0002\u0010\u000b\n\u0000\n\u0002\u0010(\n\u0002\b\b\b\u0002\u0018\u0000*\u0004\b\u0000\u0010\u00012\b\u0012\u0004\u0012\u0002H\u00010\u00022\u00060\u0003j\u0002`\u0004B\u000f\b\u0016\u0012\u0006\u0010\u0005\u001a\u00020\u0006¢\u0006\u0002\u0010\u0007B\u001d\u0012\u000e\u0010\b\u001a\n\u0012\u0006\u0012\u0004\u0018\u00010\n0\t\u0012\u0006\u0010\u000b\u001a\u00020\u0006¢\u0006\u0002\u0010\fJ\u0013\u0010\u0013\u001a\u00020\u00142\u0006\u0010\u0015\u001a\u00028\u0000¢\u0006\u0002\u0010\u0016J\u0014\u0010\u0017\u001a\b\u0012\u0004\u0012\u00028\u00000\u00002\u0006\u0010\u0018\u001a\u00020\u0006J\u0016\u0010\u0019\u001a\u00028\u00002\u0006\u0010\u001a\u001a\u00020\u0006H\u0096\u0002¢\u0006\u0002\u0010\u001bJ\u0006\u0010\u001c\u001a\u00020\u001dJ\u000f\u0010\u001e\u001a\b\u0012\u0004\u0012\u00028\u00000\u001fH\u0096\u0002J\u000e\u0010 \u001a\u00020\u00142\u0006\u0010!\u001a\u00020\u0006J\u0015\u0010\"\u001a\n\u0012\u0006\u0012\u0004\u0018\u00010\n0\tH\u0014¢\u0006\u0002\u0010#J'\u0010\"\u001a\b\u0012\u0004\u0012\u0002H\u00010\t\"\u0004\b\u0001\u0010\u00012\f\u0010$\u001a\b\u0012\u0004\u0012\u0002H\u00010\tH\u0014¢\u0006\u0002\u0010%J\u0015\u0010&\u001a\u00020\u0006*\u00020\u00062\u0006\u0010!\u001a\u00020\u0006H\u0082\bR\u0018\u0010\b\u001a\n\u0012\u0006\u0012\u0004\u0018\u00010\n0\tX\u0082\u0004¢\u0006\u0004\n\u0002\u0010\rR\u000e\u0010\u0005\u001a\u00020\u0006X\u0082\u0004¢\u0006\u0002\n\u0000R\u001e\u0010\u000f\u001a\u00020\u00062\u0006\u0010\u000e\u001a\u00020\u0006@RX\u0096\u000e¢\u0006\b\n\u0000\u001a\u0004\b\u0010\u0010\u0011R\u000e\u0010\u0012\u001a\u00020\u0006X\u0082\u000e¢\u0006\u0002\n\u0000¨\u0006'"}, d2 = {"Lkotlin/collections/RingBuffer;", "T", "Lkotlin/collections/AbstractList;", "Ljava/util/RandomAccess;", "Lkotlin/collections/RandomAccess;", "capacity", "", "(I)V", "buffer", "", "", "filledSize", "([Ljava/lang/Object;I)V", "[Ljava/lang/Object;", "<set-?>", "size", "getSize", "()I", "startIndex", "add", "", "element", "(Ljava/lang/Object;)V", "expanded", "maxCapacity", "get", "index", "(I)Ljava/lang/Object;", "isFull", "", "iterator", "", "removeFirst", "n", "toArray", "()[Ljava/lang/Object;", "array", "([Ljava/lang/Object;)[Ljava/lang/Object;", "forward", "kotlin-stdlib"}, k = 1, mv = {1, 8, 0}, xi = 48) | ||||
| /* loaded from: classes.dex */ | ||||
| final class RingBuffer<T> extends AbstractList<T> implements RandomAccess { | ||||
|     private final Object[] buffer; | ||||
|     private final int capacity; | ||||
|     private int size; | ||||
|     private int startIndex; | ||||
|  | ||||
|     @Override // kotlin.collections.AbstractList, kotlin.collections.AbstractCollection | ||||
|     /* renamed from: getSize, reason: from getter */ | ||||
|     public int get_size() { | ||||
|         return this.size; | ||||
|     } | ||||
|  | ||||
|     public RingBuffer(Object[] buffer, int i) { | ||||
|         Intrinsics.checkNotNullParameter(buffer, "buffer"); | ||||
|         this.buffer = buffer; | ||||
|         if (i < 0) { | ||||
|             throw new IllegalArgumentException(("ring buffer filled size should not be negative but it is " + i).toString()); | ||||
|         } | ||||
|         if (i > buffer.length) { | ||||
|             throw new IllegalArgumentException(("ring buffer filled size: " + i + " cannot be larger than the buffer size: " + buffer.length).toString()); | ||||
|         } | ||||
|         this.capacity = buffer.length; | ||||
|         this.size = i; | ||||
|     } | ||||
|  | ||||
|     public RingBuffer(int i) { | ||||
|         this(new Object[i], 0); | ||||
|     } | ||||
|  | ||||
|     @Override // kotlin.collections.AbstractList, java.util.List | ||||
|     public T get(int index) { | ||||
|         AbstractList.INSTANCE.checkElementIndex$kotlin_stdlib(index, size()); | ||||
|         return (T) this.buffer[(this.startIndex + index) % this.capacity]; | ||||
|     } | ||||
|  | ||||
|     public final boolean isFull() { | ||||
|         return size() == this.capacity; | ||||
|     } | ||||
|  | ||||
|     @Override // kotlin.collections.AbstractList, kotlin.collections.AbstractCollection, java.util.Collection, java.lang.Iterable | ||||
|     public Iterator<T> iterator() { | ||||
|         return new AbstractIterator<T>(this) { // from class: kotlin.collections.RingBuffer$iterator$1 | ||||
|             private int count; | ||||
|             private int index; | ||||
|             final /* synthetic */ RingBuffer<T> this$0; | ||||
|  | ||||
|             { | ||||
|                 int i; | ||||
|                 this.this$0 = this; | ||||
|                 this.count = this.size(); | ||||
|                 i = ((RingBuffer) this).startIndex; | ||||
|                 this.index = i; | ||||
|             } | ||||
|  | ||||
|             /* JADX WARN: Multi-variable type inference failed */ | ||||
|             @Override // kotlin.collections.AbstractIterator | ||||
|             protected void computeNext() { | ||||
|                 Object[] objArr; | ||||
|                 if (this.count != 0) { | ||||
|                     objArr = ((RingBuffer) this.this$0).buffer; | ||||
|                     setNext(objArr[this.index]); | ||||
|                     this.index = (this.index + 1) % ((RingBuffer) this.this$0).capacity; | ||||
|                     this.count--; | ||||
|                     return; | ||||
|                 } | ||||
|                 done(); | ||||
|             } | ||||
|         }; | ||||
|     } | ||||
|  | ||||
|     @Override // kotlin.collections.AbstractCollection, java.util.Collection | ||||
|     public <T> T[] toArray(T[] array) { | ||||
|         Intrinsics.checkNotNullParameter(array, "array"); | ||||
|         if (array.length < size()) { | ||||
|             array = (T[]) Arrays.copyOf(array, size()); | ||||
|             Intrinsics.checkNotNullExpressionValue(array, "copyOf(this, newSize)"); | ||||
|         } | ||||
|         int size = size(); | ||||
|         int i = 0; | ||||
|         int i2 = 0; | ||||
|         for (int i3 = this.startIndex; i2 < size && i3 < this.capacity; i3++) { | ||||
|             array[i2] = this.buffer[i3]; | ||||
|             i2++; | ||||
|         } | ||||
|         while (i2 < size) { | ||||
|             array[i2] = this.buffer[i]; | ||||
|             i2++; | ||||
|             i++; | ||||
|         } | ||||
|         if (array.length > size()) { | ||||
|             array[size()] = null; | ||||
|         } | ||||
|         return array; | ||||
|     } | ||||
|  | ||||
|     /* JADX WARN: Multi-variable type inference failed */ | ||||
|     @Override // kotlin.collections.AbstractCollection, java.util.Collection | ||||
|     public Object[] toArray() { | ||||
|         return toArray(new Object[size()]); | ||||
|     } | ||||
|  | ||||
|     /* JADX WARN: Multi-variable type inference failed */ | ||||
|     public final RingBuffer<T> expanded(int maxCapacity) { | ||||
|         Object[] array; | ||||
|         int i = this.capacity; | ||||
|         int coerceAtMost = RangesKt.coerceAtMost(i + (i >> 1) + 1, maxCapacity); | ||||
|         if (this.startIndex == 0) { | ||||
|             array = Arrays.copyOf(this.buffer, coerceAtMost); | ||||
|             Intrinsics.checkNotNullExpressionValue(array, "copyOf(this, newSize)"); | ||||
|         } else { | ||||
|             array = toArray(new Object[coerceAtMost]); | ||||
|         } | ||||
|         return new RingBuffer<>(array, size()); | ||||
|     } | ||||
|  | ||||
|     @Override // java.util.Collection, java.util.List | ||||
|     public final void add(T element) { | ||||
|         if (isFull()) { | ||||
|             throw new IllegalStateException("ring buffer is full"); | ||||
|         } | ||||
|         this.buffer[(this.startIndex + size()) % this.capacity] = element; | ||||
|         this.size = size() + 1; | ||||
|     } | ||||
|  | ||||
|     public final void removeFirst(int n) { | ||||
|         if (n < 0) { | ||||
|             throw new IllegalArgumentException(("n shouldn't be negative but it is " + n).toString()); | ||||
|         } | ||||
|         if (n > size()) { | ||||
|             throw new IllegalArgumentException(("n shouldn't be greater than the buffer size: n = " + n + ", size = " + size()).toString()); | ||||
|         } | ||||
|         if (n > 0) { | ||||
|             int i = this.startIndex; | ||||
|             int i2 = (i + n) % this.capacity; | ||||
|             if (i > i2) { | ||||
|                 ArraysKt.fill(this.buffer, (Object) null, i, this.capacity); | ||||
|                 ArraysKt.fill(this.buffer, (Object) null, 0, i2); | ||||
|             } else { | ||||
|                 ArraysKt.fill(this.buffer, (Object) null, i, i2); | ||||
|             } | ||||
|             this.startIndex = i2; | ||||
|             this.size = size() - n; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     private final int forward(int i, int i2) { | ||||
|         return (i + i2) % this.capacity; | ||||
|     } | ||||
| } | ||||
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