jars/icu4j-4_4_2-src/tools/misc/src/com/ibm/icu/dev/tool/layout/ArabicCharacterData.java

   1 /*\r
   2  *******************************************************************************\r
   3  * Copyright (C) 1998-2004, International Business Machines Corporation and    *\r
   4  * others. All Rights Reserved.                                                *\r
   5  *******************************************************************************\r
   6  *\r
   7  * Created on Dec 3, 2003\r
   8  *\r
   9  *******************************************************************************\r
  10  */\r
  11 package com.ibm.icu.dev.tool.layout;\r
  12 \r
  13 import com.ibm.icu.lang.UCharacter;\r
  14 import com.ibm.icu.lang.UProperty;\r
  15 import com.ibm.icu.text.Normalizer;\r
  16 import com.ibm.icu.text.UnicodeSet;\r
  17 \r
  18 public class ArabicCharacterData\r
  19 {\r
  20     public class Record\r
  21     {\r
  22         public int getCodePoint()\r
  23         {\r
  24             return codePoint;\r
  25         }\r
  26         \r
  27         public int getGeneralCategory()\r
  28         {\r
  29             return generalCategory;\r
  30         }\r
  31         \r
  32         public int getDecompositionType()\r
  33         {\r
  34             return decompositionType;\r
  35         }\r
  36         \r
  37         public String getDecomposition()\r
  38         {\r
  39             return decomposition;\r
  40         }\r
  41         \r
  42         private Record(int character)\r
  43         {\r
  44             codePoint         = character;\r
  45             generalCategory   = UCharacter.getType(character);\r
  46             decompositionType = UCharacter.getIntPropertyValue(character, UProperty.DECOMPOSITION_TYPE);\r
  47             \r
  48             switch (decompositionType) {\r
  49             case UCharacter.DecompositionType.FINAL:\r
  50             case UCharacter.DecompositionType.INITIAL:\r
  51             case UCharacter.DecompositionType.ISOLATED:\r
  52             case UCharacter.DecompositionType.MEDIAL:\r
  53                 decomposition = Normalizer.compose(UCharacter.toString(character), true);\r
  54                 break;\r
  55                 \r
  56             case UCharacter.DecompositionType.CANONICAL:\r
  57                 decomposition = Normalizer.decompose(UCharacter.toString(character), true);\r
  58                 break;\r
  59                 \r
  60             default:\r
  61                 decomposition = null;\r
  62             }\r
  63         }\r
  64         \r
  65         private int codePoint;\r
  66         private int generalCategory;\r
  67         private int decompositionType;\r
  68         private String decomposition;\r
  69     }\r
  70     \r
  71     private ArabicCharacterData(int charCount)\r
  72     {\r
  73         records = new Record[charCount];\r
  74     }\r
  75     \r
  76     private void add(int character)\r
  77     {\r
  78         records[recordIndex++] = new Record(character);\r
  79     }\r
  80     \r
  81     public Record getRecord(int index)\r
  82     {\r
  83         if (index < 0 || index >= records.length) {\r
  84             return null;\r
  85         }\r
  86         \r
  87         return records[index];\r
  88     }\r
  89     \r
  90     public int countRecords()\r
  91     {\r
  92         return records.length;\r
  93     }\r
  94  \r
  95     // TODO: do we need to change this to use UnicodeSetIterator?\r
  96     // That will mean not knowing the number of characters until\r
  97     // after the iteration is done, so we'd have to use a vector\r
  98     // to hold the Records at first and copy it to an array\r
  99     // when we're done...   \r
 100     public static ArabicCharacterData factory(UnicodeSet characterSet)\r
 101     {\r
 102         int charCount = characterSet.size();\r
 103         ArabicCharacterData data = new ArabicCharacterData(charCount);\r
 104         \r
 105         for (int i = 0; i < charCount; i += 1) {\r
 106             data.add(characterSet.charAt(i));\r
 107         }\r
 108         \r
 109         return data;\r
 110     }\r
 111     \r
 112     private Record[] records;\r
 113     private int recordIndex = 0;\r
 114 }\r