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

   1 /*\r
   2  *******************************************************************************\r
   3  * Copyright (C) 1996-2005, International Business Machines Corporation and    *\r
   4  * others. All Rights Reserved.                                                *\r
   5  *******************************************************************************\r
   6  *\r
   7  */\r
   8 \r
   9 package com.ibm.icu.dev.tool.layout;\r
  10 \r
  11 import java.io.PrintStream;\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.UnicodeSet;\r
  16 \r
  17 /**\r
  18  * @author emader\r
  19  *\r
  20  * TODO To change the template for this generated type comment go to\r
  21  * Window - Preferences - Java - Code Style - Code Templates\r
  22  */\r
  23 public class ShapingTypeBuilder extends OpenTypeTableWriter\r
  24 {\r
  25     private ClassTable classTable;\r
  26     \r
  27     public ShapingTypeBuilder()\r
  28     {\r
  29         classTable = new ClassTable();\r
  30     }\r
  31     \r
  32     public void writeTable(PrintStream output)\r
  33     {\r
  34         classTable.writeClassTable(this);\r
  35         output.println("const le_uint8 ArabicShaping::shapingTypeTable[] = {");\r
  36         \r
  37         dumpTable(output, 8);\r
  38         output.println("};\n");\r
  39     }\r
  40     \r
  41     // TODO: The UnicodeSet is constrained to the BMP because the ClassTable data structure can\r
  42     // only handle 16-bit entries. This is probably OK as long as there aren't any joining scripts\r
  43     // outside of the BMP...\r
  44     public void buildShapingTypes(String filename)\r
  45     {\r
  46         UnicodeSet shapingTypes = new UnicodeSet("[[\\P{Joining_Type=Non_Joining}] & [\\u0000-\\uFFFF]]");\r
  47         int count = shapingTypes.size();\r
  48         \r
  49         System.out.println("There are " + count + " characters with a joining type.");\r
  50         \r
  51         for(int i = 0; i < count; i += 1) {\r
  52             int ch = shapingTypes.charAt(i);\r
  53             \r
  54             classTable.addMapping(ch, UCharacter.getIntPropertyValue(ch, UProperty.JOINING_TYPE));\r
  55         }\r
  56         \r
  57         LigatureModuleWriter writer = new LigatureModuleWriter();\r
  58         String[] includeFiles = {"LETypes.h", "ArabicShaping.h"};        \r
  59         \r
  60         writer.openFile(filename);\r
  61         writer.writeHeader(null, includeFiles);\r
  62         writer.writeTable(this);\r
  63         writer.writeTrailer();\r
  64         writer.closeFile();\r
  65     }\r
  66     \r
  67     public static void main(String[] args)\r
  68     {\r
  69         ShapingTypeBuilder stb = new ShapingTypeBuilder();\r
  70         \r
  71         stb.buildShapingTypes(args[0]);\r
  72     }\r
  73 }\r