jars/icu4j-4_8_1_1/tools/misc/src/com/ibm/icu/dev/tool/layout/Feature.java

   1 /*
   2  *******************************************************************************
   3  * Copyright (C) 2002-2004, International Business Machines Corporation and    *
   4  * others. All Rights Reserved.                                                *
   5  *******************************************************************************
   6  */
   7
   8 package com.ibm.icu.dev.tool.layout;
   9
  10
  11 class Feature extends TaggedRecord
  12 {
  13     private int[] lookupIndices;
  14     private int lookupCount;
  15     private int featureIndex;
  16
  17     public Feature(String theFeatureTag)
  18     {
  19         super(theFeatureTag);
  20
  21         lookupIndices = new int[10];
  22         lookupCount = 0;
  23         featureIndex = -1;
  24     }
  25
  26     public void addLookup(int theLookupIndex)
  27     {
  28         if (lookupCount >= lookupIndices.length) {
  29             int[] newLookupIndices = new int[lookupIndices.length + 5];
  30
  31             System.arraycopy(lookupIndices, 0, newLookupIndices, 0, lookupIndices.length);
  32             lookupIndices = newLookupIndices;
  33         }
  34
  35         lookupIndices[lookupCount] = theLookupIndex;
  36         lookupCount += 1;
  37     }
  38
  39     public void writeFeature(OpenTypeTableWriter writer)
  40     {
  41         writer.writeData(0);      // featureParams (must be NULL)
  42
  43         writer.writeData(lookupCount);
  44
  45         for (int i = 0; i < lookupCount; i += 1) {
  46             writer.writeData(lookupIndices[i]);
  47         }
  48     }
  49
  50     public int getFeatureIndex()
  51     {
  52         return featureIndex;
  53     }
  54
  55     public void setFeatureIndex(int index)
  56     {
  57         featureIndex = index;
  58     }
  59 }