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+/* gnu/regexp/RETokenAny.java
+ Copyright (C) 2006 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package gnu.java.util.regex;
+
+import gnu.java.lang.CPStringBuilder;
+
+final class RETokenAny extends REToken
+{
+ /** True if '.' can match a newline (RE_DOT_NEWLINE) */
+ private boolean newline;
+
+ /** True if '.' can't match a null (RE_DOT_NOT_NULL) */
+ private boolean matchNull;
+
+ RETokenAny (int subIndex, boolean newline, boolean matchNull)
+ {
+ super (subIndex);
+ this.newline = newline;
+ this.matchNull = matchNull;
+ }
+
+ int getMinimumLength ()
+ {
+ return 1;
+ }
+
+ int getMaximumLength ()
+ {
+ return 1;
+ }
+
+ REMatch matchThis (CharIndexed input, REMatch mymatch)
+ {
+ char ch = input.charAt (mymatch.index);
+ boolean retval = matchOneChar (ch);
+ if (retval)
+ {
+ ++mymatch.index;
+ return mymatch;
+ }
+ return null;
+ }
+
+ boolean matchOneChar (char ch)
+ {
+ if ((ch == CharIndexed.OUT_OF_BOUNDS)
+ || (!newline && (ch == '\n')) || (matchNull && (ch == 0)))
+ {
+ return false;
+ }
+ return true;
+ }
+
+ boolean returnsFixedLengthMatches ()
+ {
+ return true;
+ }
+
+ int findFixedLengthMatches (CharIndexed input, REMatch mymatch, int max)
+ {
+ int index = mymatch.index;
+ int numRepeats = 0;
+ while (true)
+ {
+ if (numRepeats >= max)
+ break;
+ char ch = input.charAt (index++);
+ if (!matchOneChar (ch))
+ break;
+ numRepeats++;
+ }
+ return numRepeats;
+ }
+
+ void dump (CPStringBuilder os)
+ {
+ os.append ('.');
+ }
+}