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

   1 /*
   2  *******************************************************************************
   3  * Copyright (C) 1998-2004, International Business Machines Corporation and    *
   4  * others. All Rights Reserved.                                                *
   5  *******************************************************************************
   6  *
   7  * Created on Dec 3, 2003
   8  *
   9  *******************************************************************************
  10  */
  11 package com.ibm.icu.dev.tool.layout;
  12
  13 public class LookupList
  14 {
  15     private Lookup[] lookups;
  16     private int lookupCount;
  17
  18     public LookupList()
  19     {
  20         lookups = new Lookup[10];
  21         lookupCount = 0;
  22     }
  23
  24     public int addLookup(Lookup lookup)
  25     {
  26         if (lookupCount >= lookups.length) {
  27             Lookup[] newLookups = new Lookup[lookups.length + 5];
  28
  29             System.arraycopy(lookups, 0, newLookups, 0, lookups.length);
  30             lookups = newLookups;
  31         }
  32
  33         lookups[lookupCount] = lookup;
  34
  35         return lookupCount++;
  36     }
  37
  38     public void writeLookupList(OpenTypeTableWriter writer)
  39     {
  40         System.out.println("writing lookup list...");
  41
  42         int lookupListBase = writer.getOutputIndex();
  43
  44         writer.writeData(lookupCount);
  45
  46         int lookupOffset = writer.getOutputIndex();
  47
  48         for (int i = 0; i < lookupCount; i += 1) {
  49             writer.writeData(0); // Offset to lookup (fixed later);
  50         }
  51
  52         for (int i = 0; i < lookupCount; i += 1) {
  53             writer.fixOffset(lookupOffset++, lookupListBase);
  54             lookups[i].writeLookup(writer);
  55         }
  56     }
  57 }