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author | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
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committer | upstream source tree <ports@midipix.org> | 2015-03-15 20:14:05 -0400 |
commit | 554fd8c5195424bdbcabf5de30fdc183aba391bd (patch) | |
tree | 976dc5ab7fddf506dadce60ae936f43f58787092 /libjava/classpath/gnu/java/text/FormatBuffer.java | |
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Diffstat (limited to 'libjava/classpath/gnu/java/text/FormatBuffer.java')
-rw-r--r-- | libjava/classpath/gnu/java/text/FormatBuffer.java | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/java/text/FormatBuffer.java b/libjava/classpath/gnu/java/text/FormatBuffer.java new file mode 100644 index 000000000..590b16cce --- /dev/null +++ b/libjava/classpath/gnu/java/text/FormatBuffer.java @@ -0,0 +1,136 @@ +/* FormatBuffer.java -- General interface to build attributed strings. + Copyright (C) 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.java.text; + +import java.text.AttributedCharacterIterator; +import java.util.HashMap; + +/** + * This interface describes a modifiable buffer which contains attributed + * characters. The implementation may or may not implements attributes. It + * aims to greatly simplify and clarify the implementation of java.text + * formatters. The buffer may be appended or have its tail cut. It may also + * be completely cleant up. + * + * @author Guilhem Lavaux <guilhem@kaffe.org> + * @date April 10, 2004 + */ +public interface FormatBuffer +{ + /** + * This method appends a simple string to the buffer. This part of + * the buffer will be attributed using the default attribute. + * + * @param s The string to append to the buffer. + */ + public void append(String s); + + /** + * This method appends a simple string to the buffer. This part of + * the buffer will have the specified attribute (and only this one). + * The default attribute may be changed after calling this method. + * + * @param s The string to append to the buffer. + * @param attr Attribute to use for the string in the buffer. + */ + public void append(String s, AttributedCharacterIterator.Attribute attr); + + /** + * This method appends a simple string to the buffer. This part of + * the buffer will be attributed using the specified ranges and attributes. + * To have an example on how to specify ranges see {@link gnu.java.text.FormatCharacterIterator}. + * + * @param s The string to append to the buffer. + * @param ranges The ranges describing how the attributes should be applied + * to the string. + * @param attrs The attributes of the string in the buffer. + */ + public void append(String s, int[] ranges, HashMap[] attrs); + + /** + * This method appends a simple char to the buffer. This part of + * the buffer will be attributed using the default attribute. + * + * @param c The character to append to the buffer. + */ + public void append(char c); + + /** + * This method appends a simple character to the buffer. This part of + * the buffer will have the specified attribute (and only this one). + * The default attribute may be changed after calling this method. + * + * @param c The character to append to the buffer. + * @param attr Attribute to use for the character in the buffer. + */ + public void append(char c, AttributedCharacterIterator.Attribute attr); + + /** + * This method changes the current default attribute for the next string + * or character which will be appended to the buffer. + * + * @param attr The attribute which will be used by default. + */ + public void setDefaultAttribute(AttributedCharacterIterator.Attribute attr); + + /** + * This method returns the current default attribute for the buffer. + * + * @return The default attribute for the buffer. + */ + public AttributedCharacterIterator.Attribute getDefaultAttribute(); + + /** + * This method cuts the last characters of the buffer. The number of + * characters to cut is given by "length". + * + * @param length Number of characters to cut at the end of the buffer. + */ + public void cutTail(int length); + + /** + * This method resets completely the buffer. + */ + public void clear(); + + /** + * This method returns the number of character in the buffer. + * + * @return The number of character in the buffer. + */ + public int length(); +} |