aboutsummaryrefslogtreecommitdiff
path: root/libjava/classpath/javax/swing/text/Segment.java
diff options
context:
space:
mode:
Diffstat (limited to 'libjava/classpath/javax/swing/text/Segment.java')
-rw-r--r--libjava/classpath/javax/swing/text/Segment.java176
1 files changed, 176 insertions, 0 deletions
diff --git a/libjava/classpath/javax/swing/text/Segment.java b/libjava/classpath/javax/swing/text/Segment.java
new file mode 100644
index 0000000..92d8500
--- /dev/null
+++ b/libjava/classpath/javax/swing/text/Segment.java
@@ -0,0 +1,176 @@
+/* Segment.java --
+ Copyright (C) 2002, 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 javax.swing.text;
+
+import java.text.CharacterIterator;
+
+public class Segment
+ implements Cloneable, CharacterIterator
+{
+ private boolean partialReturn;
+ private int current;
+
+ public char[] array;
+ public int count;
+ public int offset;
+
+ public Segment()
+ {
+ }
+
+ public Segment(char[] array, int offset, int count)
+ {
+ this.array = array;
+ this.offset = offset;
+ this.count = count;
+ }
+
+ public Object clone()
+ {
+ try
+ {
+ return super.clone();
+ }
+ catch (CloneNotSupportedException e)
+ {
+ return null;
+ }
+ }
+
+ public char current()
+ {
+ if (count == 0
+ || current >= getEndIndex())
+ return DONE;
+
+ return array[current];
+ }
+
+ public char first()
+ {
+ if (count == 0)
+ return DONE;
+
+ current = getBeginIndex();
+ return array[current];
+ }
+
+ public int getBeginIndex()
+ {
+ return offset;
+ }
+
+ public int getEndIndex()
+ {
+ return offset + count;
+ }
+
+ public int getIndex()
+ {
+ return current;
+ }
+
+ public char last()
+ {
+ if (count == 0)
+ return DONE;
+
+ current = getEndIndex() - 1;
+ return array[current];
+ }
+
+ public char next()
+ {
+ if (count == 0)
+ return DONE;
+
+ if ((current + 1) >= getEndIndex())
+ {
+ current = getEndIndex();
+ return DONE;
+ }
+
+ current++;
+ return array[current];
+ }
+
+ public char previous()
+ {
+ if (count == 0
+ || current == getBeginIndex())
+ return DONE;
+
+ current--;
+ return array[current];
+ }
+
+ public char setIndex(int position)
+ {
+ if (position < getBeginIndex()
+ || position > getEndIndex())
+ throw new IllegalArgumentException();
+
+ current = position;
+
+ if (position == getEndIndex())
+ return DONE;
+
+ return array[current];
+ }
+
+ public String toString()
+ {
+ return new String(array, offset, count);
+ }
+
+ /**
+ * @since 1.4
+ */
+ public void setPartialReturn(boolean p)
+ {
+ partialReturn = p;
+ }
+
+ /**
+ * @since 1.4
+ */
+ public boolean isPartialReturn()
+ {
+ return partialReturn;
+ }
+}