Rabbit-R1/switch port/java/sources/androidx/compose/ui/node/IntStack.java

package androidx.compose.ui.node;

import androidx.media3.exoplayer.upstream.CmcdHeadersFactory;
import io.sentry.protocol.ViewHierarchyNode;
import java.util.Arrays;
import kotlin.Metadata;
import kotlin.jvm.internal.Intrinsics;

/* JADX INFO: Access modifiers changed from: package-private */
/* compiled from: MyersDiff.kt */
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/* loaded from: classes.dex */
public final class IntStack {
    private int lastIndex;
    private int[] stack;

    /* renamed from: getSize, reason: from getter */
    public final int getLastIndex() {
        return this.lastIndex;
    }

    public final boolean isNotEmpty() {
        return this.lastIndex != 0;
    }

    public IntStack(int i) {
        this.stack = new int[i];
    }

    public final int get(int index) {
        return this.stack[index];
    }

    public final void pushRange(int oldStart, int oldEnd, int newStart, int newEnd) {
        int i = this.lastIndex;
        int i2 = i + 4;
        int[] iArr = this.stack;
        if (i2 >= iArr.length) {
            int[] copyOf = Arrays.copyOf(iArr, iArr.length * 2);
            Intrinsics.checkNotNullExpressionValue(copyOf, "copyOf(this, newSize)");
            this.stack = copyOf;
        }
        int[] iArr2 = this.stack;
        iArr2[i] = oldStart;
        iArr2[i + 1] = oldEnd;
        iArr2[i + 2] = newStart;
        iArr2[i + 3] = newEnd;
        this.lastIndex = i2;
    }

    public final void pushDiagonal(int x, int y, int size) {
        int i = this.lastIndex;
        int i2 = i + 3;
        int[] iArr = this.stack;
        if (i2 >= iArr.length) {
            int[] copyOf = Arrays.copyOf(iArr, iArr.length * 2);
            Intrinsics.checkNotNullExpressionValue(copyOf, "copyOf(this, newSize)");
            this.stack = copyOf;
        }
        int[] iArr2 = this.stack;
        iArr2[i] = x + size;
        iArr2[i + 1] = y + size;
        iArr2[i + 2] = size;
        this.lastIndex = i2;
    }

    public final int pop() {
        int[] iArr = this.stack;
        int i = this.lastIndex - 1;
        this.lastIndex = i;
        return iArr[i];
    }

    public final void sortDiagonals() {
        int i = this.lastIndex;
        if (i % 3 != 0) {
            throw new IllegalStateException("Check failed.".toString());
        }
        if (i > 3) {
            quickSort(0, i - 3, 3);
        }
    }

    private final void quickSort(int start, int end, int elSize) {
        if (start < end) {
            int partition = partition(start, end, elSize);
            quickSort(start, partition - elSize, elSize);
            quickSort(partition + elSize, end, elSize);
        }
    }

    private final int partition(int start, int end, int elSize) {
        int i = start - elSize;
        while (start < end) {
            if (compareDiagonal(start, end)) {
                i += elSize;
                swapDiagonal(i, start);
            }
            start += elSize;
        }
        int i2 = i + elSize;
        swapDiagonal(i2, end);
        return i2;
    }

    private final void swapDiagonal(int i, int j) {
        int[] iArr = this.stack;
        MyersDiffKt.swap(iArr, i, j);
        MyersDiffKt.swap(iArr, i + 1, j + 1);
        MyersDiffKt.swap(iArr, i + 2, j + 2);
    }

    private final boolean compareDiagonal(int a, int b) {
        int[] iArr = this.stack;
        int i = iArr[a];
        int i2 = iArr[b];
        if (i >= i2) {
            return i == i2 && iArr[a + 1] <= iArr[b + 1];
        }
        return true;
    }
}