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/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package jdk.nashorn.internal.runtime.regexp;
/**
* Match tuple to keep track of ongoing regexp match.
*/
public final class RegExpResult {
final Object[] groups;
final int index;
final String input;
/**
* Constructor
*
* @param input regexp input
* @param index index of match
* @param groups groups vector
*/
public RegExpResult(final String input, final int index, final Object[] groups) {
this.input = input;
this.index = index;
this.groups = groups;
}
/**
* Get the groups for the match
* @return group vector
*/
public Object[] getGroups() {
return groups;
}
/**
* Get the input for the map
* @return input
*/
public String getInput() {
return input;
}
/**
* Get the index for the match
* @return index
*/
public int getIndex() {
return index;
}
/**
* Get the length of the match
* @return length
*/
public int length() {
return ((String)groups[0]).length();
}
/**
* Get the group with the given index or the empty string if group index is not valid.
* @param groupIndex the group index
* @return the group or ""
*/
public Object getGroup(final int groupIndex) {
return groupIndex >= 0 && groupIndex < groups.length ? groups[groupIndex] : "";
}
/**
* Get the last parenthesis group, or the empty string if none exists.
* @return the last group or ""
*/
public Object getLastParen() {
return groups.length > 1 ? groups[groups.length - 1] : "";
}
}
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