org.aspectj.asm.internal.CharOperation Maven / Gradle / Ivy
/********************************************************************
* Copyright (c) 2006 Contributors. All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0
* which accompanies this distribution and is available at
* http://eclipse.org/legal/epl-v10.html
*
* Contributors: IBM Corporation - initial API and implementation
* Helen Hawkins - initial version
*******************************************************************/
package org.aspectj.asm.internal;
/**
* Taken from org.aspectj.org.eclipse.jdt.core.compiler.CharOperation
*
*/
public class CharOperation {
/**
* Taken from org.aspectj.org.eclipse.jdt.core.compiler.CharOperation
*/
public static final char[] subarray(char[] array, int start, int end) {
if (end == -1)
end = array.length;
if (start > end)
return null;
if (start < 0)
return null;
if (end > array.length)
return null;
char[] result = new char[end - start];
System.arraycopy(array, start, result, 0, end - start);
return result;
}
/**
* Taken from org.aspectj.org.eclipse.jdt.core.compiler.CharOperation
*/
public static final int lastIndexOf(char toBeFound, char[] array) {
for (int i = array.length; --i >= 0;)
if (toBeFound == array[i])
return i;
return -1;
}
/**
* Taken from org.aspectj.org.eclipse.jdt.core.compiler.CharOperation
*/
public static final int indexOf(char toBeFound, char[] array) {
for (int i = 0; i < array.length; i++)
if (toBeFound == array[i])
return i;
return -1;
}
/**
* Taken from org.aspectj.org.eclipse.jdt.core.compiler.CharOperation
*/
public static final char[] concat(char[] first, char[] second) {
if (first == null)
return second;
if (second == null)
return first;
int length1 = first.length;
int length2 = second.length;
char[] result = new char[length1 + length2];
System.arraycopy(first, 0, result, 0, length1);
System.arraycopy(second, 0, result, length1, length2);
return result;
}
/**
* Taken from org.aspectj.org.eclipse.jdt.core.compiler.CharOperation
*/
public static final boolean equals(char[] first, char[] second) {
if (first == second)
return true;
if (first == null || second == null)
return false;
if (first.length != second.length)
return false;
for (int i = first.length; --i >= 0;)
if (first[i] != second[i])
return false;
return true;
}
/**
* Taken from org.aspectj.org.eclipse.jdt.core.compiler.CharOperation
*/
public static final void replace(char[] array, char toBeReplaced, char replacementChar) {
if (toBeReplaced != replacementChar) {
for (int i = 0, max = array.length; i < max; i++) {
if (array[i] == toBeReplaced)
array[i] = replacementChar;
}
}
}
}