FormatBuffer.java, [...]: New classes to implement attributed iterators in java.text.

2004-05-04  Guilhem Lavaux <guilhem@kaffe.org>

	* gnu/java/text/FormatBuffer.java,
	gnu/java/text/AttributedFormatBuffer.java,
	gnu/java/text/StringFormatBuffer.java: New classes to implement
	attributed iterators in java.text.
	* gnu/java/text/FormatCharacterIterator.java: Moved
	from java/text as it is an internal class.
	* java/text/FormatCharacterIterator.java: Removed.
	* java/text/Format.java:
	Import gnu.java.text.FormatCharacterIterator.
	* Makefile.am (java_source_files): Added new files.
	* Makefile.in: Regenerated.

From-SVN: r81479

1 files changed, 121 insertions, 0 deletions

diff --git a/libjava/gnu/java/text/StringFormatBuffer.java b/libjava/gnu/java/text/StringFormatBuffer.java
new file mode 100644
index 0000000..ec0ed86
--- /dev/null
+++ b/libjava/gnu/java/text/StringFormatBuffer.java
@@ -0,0 +1,121 @@
+/* StringFormatBuffer.java -- Implements FormatBuffer using StringBuffer.
+   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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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 class is an implementation of a FormatBuffer without attributes.
+ * 
+ * @author Guilhem Lavaux <guilhem@kaffe.org>
+ * @date April 10, 2004
+ */
+public class StringFormatBuffer implements FormatBuffer
+{
+  private StringBuffer buffer;
+  private AttributedCharacterIterator.Attribute defaultAttr;
+
+  public StringFormatBuffer(int prebuffer)
+  {
+    buffer = new StringBuffer(prebuffer);
+  }
+
+  public StringFormatBuffer(StringBuffer buffer)
+  {
+    this.buffer = buffer;
+  }
+
+  public void append(String s)
+  {
+    buffer.append(s);
+  }
+  
+  public void append(String s, AttributedCharacterIterator.Attribute attr)
+  {
+    buffer.append(s);
+  }
+
+  public void append(String s, int[] ranges, HashMap[] attrs)
+  {
+    buffer.append(s);
+  }
+
+  public void append(char c)
+  {
+    buffer.append(c);
+  }
+
+  public void append(char c, AttributedCharacterIterator.Attribute attr)
+  {
+    buffer.append(c);
+  }
+
+  public void setDefaultAttribute(AttributedCharacterIterator.Attribute attr)
+  {
+    defaultAttr = attr;
+  }
+
+  public AttributedCharacterIterator.Attribute getDefaultAttribute()
+  {
+    return defaultAttr;
+  }
+
+  public void cutTail(int length)
+  {
+    buffer.setLength(buffer.length()-length);
+  }
+
+  public int length()
+  {
+    return buffer.length();
+  }
+
+  public void clear()
+  {
+    buffer.setLength(0);
+  }
+
+  /**
+   * This method returns the internal {@link java.lang.StringBuffer} which 
+   * contains the string of character.
+   */
+  public StringBuffer getBuffer()
+  {
+    return buffer;
+  }
+}