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/*******************************************************************************
* Copyright (c) 2002, 2006 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.internal.cheatsheets.views;
public class StringDelimitedTokenizer {
private String str;
private String delimiter;
private int delimiterLength;
private int currentPosition;
private int maxPosition;
public StringDelimitedTokenizer(String str, String delim) {
currentPosition = 0;
this.str = str;
this.delimiter = delim;
maxPosition = this.str.length();
delimiterLength = this.delimiter.length();
}
public int countTokens() {
int count = 0;
int startPosition = 0;
while (startPosition < maxPosition && startPosition != -1) {
startPosition = str.indexOf(delimiter, startPosition);
if (startPosition != -1) {
startPosition += delimiterLength;
}
count++;
}
return count;
}
public boolean endsWithDelimiter() {
return str.endsWith(delimiter);
}
public boolean hasMoreTokens() {
return (currentPosition < maxPosition);
}
public String nextToken() {
int position = str.indexOf(delimiter, currentPosition);
String token = null;
if (position == -1) {
token = str.substring(currentPosition);
currentPosition = maxPosition;
} else {
token = str.substring(currentPosition, position);
currentPosition = position + delimiterLength;
}
return token;
}
}
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