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/*
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package elemental.util;
/**
* A lightweight array of booleans.
*
* @see elemental.js.util.JsArrayOfBoolean
*/
public interface ArrayOfBoolean {
/**
* Returns a new array that is the concatenation of this array and
* values. This method does not mutate the current array.
*/
ArrayOfBoolean concat(ArrayOfBoolean values);
/**
* Indicates whether the array contains the specified value.
*/
boolean contains(boolean value);
/**
* Gets the value at a given index.
*
* @param index the index to be retrieved
* @return the value at the given index
*/
boolean get(int index);
/**
* Returns the index of the specified value or -1 if the value is
* not found.
*/
int indexOf(boolean value);
/**
* Inserts a new element into the array at the specified index.
*
* Note: If index >= the length of the array, the element will be appended to
* the end. Also if the index is negative, the element will be inserted
* starting from the end of the array.
*/
void insert(int index, boolean value);
/**
* Returns true if the length of the array is zero.
*
* @return true when length is zero
*/
boolean isEmpty();
/**
* Check that the specified index has been initialized to a valid
* value.
*/
boolean isSet(int index);
/**
* Convert each element of the array to a String and join them with a comma
* separator. The value returned from this method may vary between browsers
* based on how JavaScript values are converted into strings.
*/
String join();
/**
* Convert each element of the array to a String and join them with a comma
* separator. The value returned from this method may vary between browsers
* based on how JavaScript values are converted into strings.
*/
String join(String separator);
/**
* Gets the length of the array.
*
* @return the array length
*/
int length();
/**
* Returns the last value of the array;
*
* @return the last value
*/
boolean peek();
/**
* Remove and return the element from the end of the array.
*
* @return the removed value
*/
boolean pop();
/**
* Pushes the given boolean onto the end of the array.
*/
void push(boolean value);
/**
* Searches for the specified value in the array and removes the first
* occurrence if found.
*/
void remove(boolean value);
/**
* Removes the element at the specified index.
*/
void removeByIndex(int index);
/**
* Sets the value value at a given index.
*
* If the index is out of bounds, the value will still be set. The array's
* length will be updated to encompass the bounds implied by the added value.
*
* @param index the index to be set
* @param value the value to be stored
*/
void set(int index, boolean value);
/**
* Reset the length of the array.
*
* @param length the new length of the array
*/
void setLength(int length);
/**
* Shifts the first value off the array.
*
* @return the shifted value
*/
boolean shift();
/**
* Removes the specified number of elements starting at index and returns the
* removed elements.
*/
ArrayOfBoolean splice(int index, int count);
/**
* Shifts a value onto the beginning of the array.
*
* @param value the value to the stored
*/
void unshift(boolean value);
}