blob: 4dd72cb15fa5a8f6f092b0bec889a51f01f623e6 [file] [log] [blame]
// This code was auto-generated, is not intended to be edited, and is subject to
// significant change. Please see the README file for more information.
library engine.utilities.collection;
import 'java_core.dart';
/**
* The class `BooleanArray` defines methods for operating on integers as if they were arrays
* of booleans. These arrays can be indexed by either integers or by enumeration constants.
*/
class BooleanArray {
/**
* Return the value of the element at the given index.
*
* @param array the array being accessed
* @param index the index of the element being accessed
* @return the value of the element at the given index
* @throws IndexOutOfBoundsException if the index is not between zero (0) and 31, inclusive
*/
static bool get(int array, Enum index) => get2(array, index.ordinal);
/**
* Return the value of the element at the given index.
*
* @param array the array being accessed
* @param index the index of the element being accessed
* @return the value of the element at the given index
* @throws IndexOutOfBoundsException if the index is not between zero (0) and 31, inclusive
*/
static bool get2(int array, int index) {
checkIndex(index);
return (array & (1 << index)) > 0;
}
/**
* Set the value of the element at the given index to the given value.
*
* @param array the array being modified
* @param index the index of the element being set
* @param value the value to be assigned to the element
* @return the updated value of the array
* @throws IndexOutOfBoundsException if the index is not between zero (0) and 31, inclusive
*/
static int set(int array, Enum index, bool value) => set2(array, index.ordinal, value);
/**
* Set the value of the element at the given index to the given value.
*
* @param array the array being modified
* @param index the index of the element being set
* @param value the value to be assigned to the element
* @return the updated value of the array
* @throws IndexOutOfBoundsException if the index is not between zero (0) and 31, inclusive
*/
static int set2(int array, int index, bool value) {
checkIndex(index);
if (value) {
return array | (1 << index);
} else {
return array & ~(1 << index);
}
}
/**
* Throw an exception if the index is not within the bounds allowed for an integer-encoded array
* of boolean values.
*
* @throws IndexOutOfBoundsException if the index is not between zero (0) and 31, inclusive
*/
static void checkIndex(int index) {
if (index < 0 || index > 30) {
throw new RangeError("Index not between 0 and 30: ${index}");
}
}
}
/**
* The class `ListUtilities` defines utility methods useful for working with [List
].
*/
class ListUtilities {
/**
* Add all of the elements in the given array to the given list.
*
* @param list the list to which the elements are to be added
* @param elements the elements to be added to the list
*/
static void addAll(List list, List<Object> elements) {
for (Object element in elements) {
list.add(element);
}
}
}