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      1 //  2016 and later: Unicode, Inc. and others.
      2 // License & terms of use: http://www.unicode.org/copyright.html#License
      3 /*
      4  *******************************************************************************
      5  * Copyright (C) 1998-2004, International Business Machines Corporation and    *
      6  * others. All Rights Reserved.                                                *
      7  *******************************************************************************
      8  *
      9  * Created on Dec 3, 2003
     10  *
     11  *******************************************************************************
     12  */
     13 package com.ibm.icu.dev.tool.layout;
     14 
     15 public class LookupList
     16 {
     17     private Lookup[] lookups;
     18     private int lookupCount;
     19 
     20     public LookupList()
     21     {
     22         lookups = new Lookup[10];
     23         lookupCount = 0;
     24     }
     25 
     26     public int addLookup(Lookup lookup)
     27     {
     28         if (lookupCount >= lookups.length) {
     29             Lookup[] newLookups = new Lookup[lookups.length + 5];
     30 
     31             System.arraycopy(lookups, 0, newLookups, 0, lookups.length);
     32             lookups = newLookups;
     33         }
     34 
     35         lookups[lookupCount] = lookup;
     36 
     37         return lookupCount++;
     38     }
     39 
     40     public void writeLookupList(OpenTypeTableWriter writer)
     41     {
     42         System.out.println("writing lookup list...");
     43 
     44         int lookupListBase = writer.getOutputIndex();
     45 
     46         writer.writeData(lookupCount);
     47 
     48         int lookupOffset = writer.getOutputIndex();
     49 
     50         for (int i = 0; i < lookupCount; i += 1) {
     51             writer.writeData(0); // Offset to lookup (fixed later);
     52         }
     53 
     54         for (int i = 0; i < lookupCount; i += 1) {
     55             writer.fixOffset(lookupOffset++, lookupListBase);
     56             lookups[i].writeLookup(writer);
     57         }
     58     }
     59 }