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1   /*
2    *  Licensed to the Apache Software Foundation (ASF) under one or more
3    *  contributor license agreements.  See the NOTICE file distributed with
4    *  this work for additional information regarding copyright ownership.
5    *  The ASF licenses this file to You under the Apache License, Version 2.0
6    *  (the "License"); you may not use this file except in compliance with
7    *  the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   *  Unless required by applicable law or agreed to in writing, software
12   *  distributed under the License is distributed on an "AS IS" BASIS,
13   *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   *  See the License for the specific language governing permissions and
15   *  limitations under the License.
16   */
17  package org.helyx.basics4me.lang;
18  
19  
20  public class CharUtil {
21  	
22     public static boolean isWhitespace(char c) {
23          // Optimized case for ASCII
24          if ((c >= 0x1c && c <= 0x20) || (c >= 0x9 && c <= 0xd)) {
25              return true;
26          }
27          if (c == 0x1680) {
28              return true;
29          }
30          if (c < 0x2000 || c == 0x2007) {
31              return false;
32          }
33          return c <= 0x200b || c == 0x2028 || c == 0x2029 || c == 0x3000;
34      }
35  
36  }
37