jscover.mozilla.javascript.regexp.SubString Maven / Gradle / Ivy
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Rhino is an open-source implementation of JavaScript written entirely in
Java. It is typically embedded into Java applications to provide
scripting to end users.
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package jscover.mozilla.javascript.regexp;
/**
* A utility class for lazily instantiated substrings.
*/
public class SubString {
public SubString()
{
}
public SubString(String str)
{
this.str = str;
index = 0;
length = str.length();
}
public SubString(String source, int start, int len)
{
str = source;
index = start;
length = len;
}
@Override
public String toString() {
return str == null
? ""
: str.substring(index, index + length);
}
public static final SubString emptySubString = new SubString();
String str;
int index;
int length;
}