1 files changed, 169 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/swing/text/html/parser/support/low/Token.java b/libjava/classpath/gnu/javax/swing/text/html/parser/support/low/Token.java
new file mode 100644
index 000000000..d91adf47a
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+++ b/libjava/classpath/gnu/javax/swing/text/html/parser/support/low/Token.java
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+/* Token.java --
+   Copyright (C) 2005 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.javax.swing.text.html.parser.support.low;
+
+/**
+ * A token.
+ * @author Audrius Meskauskas, Lithuania (AudriusA@Bioinformatics.org)
+ */
+public class Token
+{
+  /**
+   * The place of this token in the document.
+   */
+  public Location where;
+
+  /**
+   * The additional category of token.
+   */
+  public int category;
+
+  /**
+   * An integer that describes the kind of this token.
+   */
+  public int kind;
+
+  /**
+   * The string image of the token, null if the char image must be used.
+   */
+  private String stringImage;
+
+  /**
+   * The char image of the token.
+   */
+  private char charImage;
+
+  /**
+   * Creates a new token with fields, initialized to the default values.
+   */
+  public Token()
+  {
+  }
+
+  /**
+   * Creates a new token of the given kind.
+   */
+  public Token(int _kind, Location _where)
+  {
+    kind = _kind;
+    where = _where;
+  }
+
+  /**
+   * Creates a new token of the given kind and given single char image.
+   */
+  public Token(int _kind, char _image, Location _where)
+  {
+    kind = _kind;
+    charImage = _image;
+    where = _where;
+  }
+
+  /**
+   * Creates a new token of the given kind and given string image.
+   */
+  public Token(int _kind, String _image, Location _where)
+  {
+    kind = _kind;
+    stringImage = _image;
+    where = _where;
+  }
+
+  /**
+   * Creates a new token of the given kind, category and given string image.
+   */
+  public Token(int _kind, int _category, String _image, Location _where)
+  {
+    kind = _kind;
+    category = _category;
+    stringImage = _image;
+    where = _where;
+  }
+
+  /**
+   * Creates a new token, where location fields are set as for token,
+   * spanning over two provided tokens and any tokens between them.
+   * The image field is initialized to null, the kind field is set to -1.
+   */
+  public Token(Token fromInclusive, Token toInclusive)
+  {
+    where = new Location();
+    where.beginLine = fromInclusive.where.beginLine;
+    where.startPosition = fromInclusive.where.startPosition;
+
+    where.endLine = toInclusive.where.endLine;
+    where.endPosition = toInclusive.where.endPosition;
+  }
+
+  public String getImage()
+  {
+    if (kind == 3)
+      return "#";
+    if (stringImage == null)
+      {
+        if (charImage == 0)
+          return null;
+        stringImage = new String(new char[] { charImage });
+      }
+    return stringImage;
+  }
+
+  /**
+   * Append the token image to the given string buffer.
+   * This may be more effective that buffer.append(this.getImage()).
+   * @param buffer A buffer to append.
+   */
+  public void appendTo(StringBuffer buffer)
+  {
+    if (charImage == 0)
+      buffer.append(getImage());
+    else
+      buffer.append(charImage);
+  }
+
+  /**
+   * Returns the string image or, if null, the bounding positions.
+   */
+  public String toString()
+  {
+    return getImage() != null ? kind + "'" + getImage()
+           : "<line " + where.beginLine + ", abs pos " + where.startPosition +
+           ".." + where.endPosition + ">";
+  }
+}