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Diffstat (limited to 'libjava/gnu/regexp/CharIndexed.java')
-rw-r--r-- | libjava/gnu/regexp/CharIndexed.java | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/libjava/gnu/regexp/CharIndexed.java b/libjava/gnu/regexp/CharIndexed.java deleted file mode 100644 index a0d7106aefa..00000000000 --- a/libjava/gnu/regexp/CharIndexed.java +++ /dev/null @@ -1,84 +0,0 @@ -/* gnu/regexp/CharIndexed.java - Copyright (C) 1998-2001, 2004 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.regexp; - -/** - * Defines the interface used internally so that different types of source - * text can be accessed in the same way. Built-in concrete classes provide - * support for String, StringBuffer, InputStream and char[] types. - * A class that is CharIndexed supports the notion of a cursor within a - * block of text. The cursor must be able to be advanced via the move() - * method. The charAt() method returns the character at the cursor position - * plus a given offset. - * - * @author <A HREF="mailto:wes@cacas.org">Wes Biggs</A> - */ -public interface CharIndexed { - /** - * Defines a constant (0xFFFF was somewhat arbitrarily chosen) - * that can be returned by the charAt() function indicating that - * the specified index is out of range. - */ - char OUT_OF_BOUNDS = '\uFFFF'; - - /** - * Returns the character at the given offset past the current cursor - * position in the input. The index of the current position is zero. - * It is possible for this method to be called with a negative index. - * This happens when using the '^' operator in multiline matching mode - * or the '\b' or '\<' word boundary operators. In any case, the lower - * bound is currently fixed at -2 (for '^' with a two-character newline). - * - * @param index the offset position in the character field to examine - * @return the character at the specified index, or the OUT_OF_BOUNDS - * character defined by this interface. - */ - char charAt(int index); - - /** - * Shifts the input buffer by a given number of positions. Returns - * true if the new cursor position is valid. - */ - boolean move(int index); - - /** - * Returns true if the most recent move() operation placed the cursor - * position at a valid position in the input. - */ - boolean isValid(); -} |