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Diffstat (limited to 'libjava/classpath/javax/swing/text/Segment.java')
-rw-r--r-- | libjava/classpath/javax/swing/text/Segment.java | 176 |
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; + } +} |