/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* 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.
*/
/**
* A class to represent a regular expression. Only handles '*'s.
* @author James Gosling
*/
public class Regexp {
/** if true then the matching process ignores case. */
public boolean ignoreCase;
/*
* regular expressions are carved into three regions: a constant string
* prefix, a constant string suffix, and a series of floating strings in
* between. In the input regular expression, they are separated by *s
*/
public boolean exact;
/** Create a new regular expression object. The regular expression
is a series of constant strings separated by *s. For example:
<dl>
<dt>*.gif <dd>Matches any string that ends in ".gif".
<dt>/tmp/* <dd>Matches any string that starts with "/tmp/".
<dt>/tmp/*.gif <dd>Matches any string that starts with "/tmp/" and ends
with ".gif".
<dt>/tmp/*new*.gif <dd>Matches any string that starts with "/tmp/"
and ends with ".gif" and has "new" somewhere in between.
</dl>
*/
exp = s;
if (firstst < 0) {
exact = true; // no * s
} else {
if (firstst == 0)
else
if (suffixLen == 0)
else
int nmids = 0;
nmids++;
}
if (nmids > 0) {
for (int i = 0; i < nmids; i++) {
pos++;
}
}
}
}
}
/** Returns true iff the String s matches this regular expression. */
}
/** Returns true iff the substring of s from offset for len characters
matches this regular expression. */
if (exact)
return false;
if (prefixLen > 0 &&
||
suffixLen > 0 &&
return false;
return true;
for (int i = 0; i<nmids; i++) {
spos++;
return false;
}
return true;
}
}