1 /*
   2  * Copyright (c) 1996, 2012, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any

  47  * <pattern> := <entry>*
  48  * <entry> := <separator><chars>{"/"<extension>}
  49  * <separator> := "=", ",", ";", "<", "&"
  50  * <chars>, and <extension> are both arbitrary strings.
  51  * unquoted whitespaces are ignored.
  52  * 'xxx' can be used to quote characters
  53  * One difference from Collator is that & is used to reset to a current
  54  * point. Or, in other words, it introduces a new sequence which is to
  55  * be added to the old.
  56  * That is: "a < b < c < d" is the same as "a < b & b < c & c < d" OR
  57  * "a < b < d & b < c"
  58  * XXX: make '' be a single quote.
  59  * @see PatternEntry
  60  * @author             Mark Davis, Helena Shih
  61  */
  62 
  63 final class MergeCollation {
  64 
  65     /**
  66      * Creates from a pattern
  67      * @exception ParseException If the input pattern is incorrect.
  68      */
  69     public MergeCollation(String pattern) throws ParseException
  70     {
  71         for (int i = 0; i < statusArray.length; i++)
  72             statusArray[i] = 0;
  73         setPattern(pattern);
  74     }
  75 
  76     /**
  77      * recovers current pattern
  78      */
  79     public String getPattern() {
  80         return getPattern(true);
  81     }
  82 
  83     /**
  84      * recovers current pattern.
  85      * @param withWhiteSpace puts spacing around the entries, and \n
  86      * before & and <
  87      */

   1 /*
   2  * Copyright (c) 1996, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any

  47  * <pattern> := <entry>*
  48  * <entry> := <separator><chars>{"/"<extension>}
  49  * <separator> := "=", ",", ";", "<", "&"
  50  * <chars>, and <extension> are both arbitrary strings.
  51  * unquoted whitespaces are ignored.
  52  * 'xxx' can be used to quote characters
  53  * One difference from Collator is that & is used to reset to a current
  54  * point. Or, in other words, it introduces a new sequence which is to
  55  * be added to the old.
  56  * That is: "a < b < c < d" is the same as "a < b & b < c & c < d" OR
  57  * "a < b < d & b < c"
  58  * XXX: make '' be a single quote.
  59  * @see PatternEntry
  60  * @author             Mark Davis, Helena Shih
  61  */
  62 
  63 final class MergeCollation {
  64 
  65     /**
  66      * Creates from a pattern
  67      * @throws    ParseException If the input pattern is incorrect.
  68      */
  69     public MergeCollation(String pattern) throws ParseException
  70     {
  71         for (int i = 0; i < statusArray.length; i++)
  72             statusArray[i] = 0;
  73         setPattern(pattern);
  74     }
  75 
  76     /**
  77      * recovers current pattern
  78      */
  79     public String getPattern() {
  80         return getPattern(true);
  81     }
  82 
  83     /**
  84      * recovers current pattern.
  85      * @param withWhiteSpace puts spacing around the entries, and \n
  86      * before & and <
  87      */