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make/jdk/src/classes/build/tools/generateemojidata/GenerateEmojiData.java

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rev 59210 : imported patch 8239383
   1 /*
   2  * Copyright (c) 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


  30 import java.nio.file.Paths;
  31 import java.nio.file.StandardOpenOption;
  32 import java.util.ArrayList;
  33 import java.util.List;
  34 import java.util.function.Predicate;
  35 import java.util.stream.Collectors;
  36 import java.util.stream.Stream;
  37 
  38 /**
  39  * Generate EmojiData.java
  40  *    args[0]: Full path string to the template file
  41  *    args[1]: Full path string to the directory that contains "emoji-data.txt"
  42  *    args[2]: Full path string to the generated .java file
  43  */
  44 public class GenerateEmojiData {
  45     public static void main(String[] args) {
  46         try {
  47             final Range[] last = new Range[1]; // last extended pictographic range
  48             last[0] = new Range(0, 0);
  49 
  50             List<Range> extPictRanges = Files.lines(Paths.get(args[1], "emoji-data.txt"))
  51                 .filter(Predicate.not(l -> l.startsWith("#") || l.isBlank()))
  52                 .filter(l -> l.contains("; Extended_Pictograph"))
  53                 .map(l -> new Range(l.replaceFirst(" .*", "")))
  54                 .sorted()
  55                 .collect(ArrayList<Range>::new,
  56                     (list, r) -> {
  57                         // collapsing consecutive pictographic ranges
  58                         int lastIndex = list.size() - 1;
  59                         if (lastIndex >= 0) {
  60                             Range lastRange = list.get(lastIndex);
  61                             if (lastRange.last + 1 == r.start) {
  62                                 list.set(lastIndex, new Range(lastRange.start, r.last));
  63                                 return;
  64                             }
  65                         }
  66                         list.add(r);
  67                     },
  68                     ArrayList<Range>::addAll);
  69 
  70 


   1 /*
   2  * Copyright (c) 2019, 2020, 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


  30 import java.nio.file.Paths;
  31 import java.nio.file.StandardOpenOption;
  32 import java.util.ArrayList;
  33 import java.util.List;
  34 import java.util.function.Predicate;
  35 import java.util.stream.Collectors;
  36 import java.util.stream.Stream;
  37 
  38 /**
  39  * Generate EmojiData.java
  40  *    args[0]: Full path string to the template file
  41  *    args[1]: Full path string to the directory that contains "emoji-data.txt"
  42  *    args[2]: Full path string to the generated .java file
  43  */
  44 public class GenerateEmojiData {
  45     public static void main(String[] args) {
  46         try {
  47             final Range[] last = new Range[1]; // last extended pictographic range
  48             last[0] = new Range(0, 0);
  49 
  50             List<Range> extPictRanges = Files.lines(Paths.get(args[1], "emoji", "emoji-data.txt"))
  51                 .filter(Predicate.not(l -> l.startsWith("#") || l.isBlank()))
  52                 .filter(l -> l.contains("; Extended_Pictograph"))
  53                 .map(l -> new Range(l.replaceFirst(" .*", "")))
  54                 .sorted()
  55                 .collect(ArrayList<Range>::new,
  56                     (list, r) -> {
  57                         // collapsing consecutive pictographic ranges
  58                         int lastIndex = list.size() - 1;
  59                         if (lastIndex >= 0) {
  60                             Range lastRange = list.get(lastIndex);
  61                             if (lastRange.last + 1 == r.start) {
  62                                 list.set(lastIndex, new Range(lastRange.start, r.last));
  63                                 return;
  64                             }
  65                         }
  66                         list.add(r);
  67                     },
  68                     ArrayList<Range>::addAll);
  69 
  70 


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