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annotate src/luan/LuaTable.java @ 35:e51906de0f11

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implement metatables git-svn-id: https://luan-java.googlecode.com/svn/trunk@36 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Tue, 18 Dec 2012 07:05:58 +0000
parents 9de9be530625
children 57054fa43189
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan;
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3 import java.util.Iterator;
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4 import java.util.Map;
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5 import java.util.HashMap;
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8 public class LuaTable {
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9 private final Map<Object,Object> map = new HashMap<Object,Object>();
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10 private LuaTable metatable;
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12 @Override public String toString() {
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13 return "table: " + Integer.toHexString(hashCode());
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14 }
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16 public Object get(Object key) {
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17 return map.get(key);
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18 }
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20 public Object put(Object key,Object val) {
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21 if( val == null ) {
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22 return map.remove(key);
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23 } else {
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24 return map.put(key,val);
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25 }
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26 }
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28 public int length() {
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29 int i = 0;
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30 while( map.containsKey( new LuaNumber(i) ) ) {
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31 i++;
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32 }
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33 return i;
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34 }
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36 public Iterator<Map.Entry<Object,Object>> iterator() {
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37 return map.entrySet().iterator();
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38 }
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40 public LuaTable getMetatable() {
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41 return metatable;
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42 }
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44 public void setMetatable(LuaTable metatable) {
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45 this.metatable = metatable;
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46 }
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47 }