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/*
 * IzPack - Copyright 2001-2010 Julien Ponge, All Rights Reserved.
 *
 * http://izpack.org/
 * http://izpack.codehaus.org/
 *
 * Copyright 2010 Rene Krell
 *
 * 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 com.izforge.izpack.util.regex;

import org.apache.tools.ant.BuildException;

/**
 * Interface which represents a regular expression, and the operations
 * that can be performed on it.
 *
 * @author René Krell - changes against the original implementation in Apache Ant 1.6.5
 * @see Apache Ant
 */
public interface Regexp extends RegexpMatcher
{

    /**
     * Replace only the first occurance of the regular expression
     */
    int REPLACE_FIRST = 0x00000001;

    /**
     * Replace all occurances of the regular expression
     */
    int REPLACE_ALL = 0x00000010;

    /**
     * Perform a substitution on the regular expression.
     *
     * @param input    The string to substitute on
     * @param argument The string which defines the substitution
     * @param options  The list of options for the match and replace. See the
     *                 MATCH_ and REPLACE_ constants above.
     * @return the result of the operation
     * @throws BuildException on error
     */
    String substitute(String input, String argument, int options)
            throws RuntimeException;
}