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annotate core/src/luan/LuanTableImpl.java @ 355:1bce334a816b

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AbstractLuanTable now implements LuanRepr
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 14 Apr 2015 09:33:34 -0600
parents 9fb523472035
children 1a464e090538
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1 package luan;
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3 import java.util.Iterator;
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4 import java.util.ListIterator;
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5 import java.util.Map;
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6 import java.util.AbstractMap;
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7 import java.util.List;
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8 import java.util.ArrayList;
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9 import java.util.Collections;
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10 import java.util.Comparator;
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11 import java.util.Set;
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12 import java.util.HashSet;
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13 import java.util.IdentityHashMap;
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14 import java.util.regex.Pattern;
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16
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1bce334a816b AbstractLuanTable now implements LuanRepr
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17 class LuanTableImpl extends AbstractLuanTable implements LuanTable, DeepCloneable<LuanTableImpl> {
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18 private Map<Object,Object> map = null;
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19 private List<Object> list = null;
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20 private LuanTable metatable = null;
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21 private boolean hasJava = false;
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22
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23 public LuanTableImpl() {}
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24 /*
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25 public LuanTableImpl(LuanTableImpl tbl) {
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26 if( tbl.map != null )
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27 this.map = newMap(tbl.map);
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28 if( tbl.list != null )
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29 this.list = new ArrayList<Object>(tbl.list);
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30 }
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31 */
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32 LuanTableImpl(List<Object> list) {
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33 this.list = list;
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34 this.map = newMap();
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35 map.put("n",list.size());
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36 for( int i=0; i<list.size(); i++ ) {
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37 if( list.get(i) == null ) {
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38 listToMap(i);
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39 break;
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40 }
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41 }
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42 }
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43
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44 LuanTableImpl(Map<Object,Object> map) {
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45 map.remove(null);
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46 for( Iterator<Object> i=map.values().iterator(); i.hasNext(); ) {
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47 if( i.next() == null )
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48 i.remove();
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49 }
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50 this.map = map;
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51 }
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52
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53 LuanTableImpl(Set<Object> set) {
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54 map = newMap();
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55 for( Object obj : set ) {
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56 if( obj != null )
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57 map.put(obj,Boolean.TRUE);
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58 }
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59 }
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61 @Override public LuanTableImpl shallowClone() {
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62 return new LuanTableImpl();
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63 }
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64
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65 @Override public void deepenClone(LuanTableImpl clone,DeepCloner cloner) {
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66 if( map != null ) {
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67 clone.map = newMap();
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68 for( Map.Entry<Object,Object> entry : map.entrySet() ) {
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69 clone.map.put( cloner.get(entry.getKey()), cloner.get(entry.getValue()) );
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70 }
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71 }
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72 if( list != null ) {
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73 clone.list = new ArrayList<Object>();
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74 for( Object obj : list ) {
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75 clone.list.add( cloner.get(obj) );
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76 }
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77 }
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78 if( metatable != null )
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79 clone.metatable = cloner.get(metatable);
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80 clone.hasJava = hasJava;
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81 }
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82
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83 @Override public boolean isList() {
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84 return map==null || map.isEmpty();
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85 }
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86
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87 @Override public List<Object> asList() {
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88 return list!=null ? list : Collections.emptyList();
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89 }
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91 @Override public Map<Object,Object> asMap() {
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92 if( list == null || list.isEmpty() )
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93 return map();
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94 Map<Object,Object> rtn = map!=null ? newMap(map) : newMap();
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95 for( ListIterator iter = list.listIterator(); iter.hasNext(); ) {
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96 int i = iter.nextIndex();
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97 rtn.put(i+1,iter.next());
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98 }
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99 return rtn;
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100 }
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101
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102 @Override protected Map<Object,Object> map() {
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103 return map!=null ? map : Collections.emptyMap();
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104 }
1bce334a816b AbstractLuanTable now implements LuanRepr
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105
59
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106 public boolean isSet() {
47
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107 if( list != null ) {
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108 for( Object obj : list ) {
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109 if( obj!=null && !obj.equals(Boolean.TRUE) )
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110 return false;
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111 }
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112 }
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113 if( map != null ) {
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114 for( Object obj : map.values() ) {
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115 if( !obj.equals(Boolean.TRUE) )
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116 return false;
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117 }
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118 }
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119 return true;
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120 }
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121
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122 public Set<Object> asSet() {
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123 if( list == null || list.isEmpty() )
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124 return map!=null ? map.keySet() : Collections.emptySet();
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125 Set<Object> rtn = map!=null ? new HashSet<Object>(map.keySet()) : new HashSet<Object>();
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126 for( int i=1; i<=list.size(); i++ ) {
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127 rtn.add(i);
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128 }
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129 return rtn;
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130 }
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131
222
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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132 @Override protected String type() {
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diff changeset
133 return "table";
81
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134 }
84
cca4f8522893 minor changes
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diff changeset
135
221
ec016471c6eb make LuanTable an interface
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diff changeset
136 @Override public Object get(Object key) {
46
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137 if( list != null ) {
48
64ecb7a3aad7 rename Lua to Luan
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diff changeset
138 Integer iT = Luan.asInteger(key);
46
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139 if( iT != null ) {
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140 int i = iT - 1;
44
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diff changeset
141 if( i>=0 && i<list.size() )
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diff changeset
142 return list.get(i);
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143 }
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144 }
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145 if( map==null )
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diff changeset
146 return null;
1
2df768b926aa start Luan
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147 return map.get(key);
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148 }
2df768b926aa start Luan
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149
224
05eb2837ddbf change LuanTable.put() to not return old value
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diff changeset
150 @Override public void put(Object key,Object val) {
48
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diff changeset
151 Integer iT = Luan.asInteger(key);
46
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diff changeset
152 if( iT != null ) {
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153 int i = iT - 1;
47
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154 if( list != null || i == 0 ) {
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diff changeset
155 if( i == list().size() ) {
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diff changeset
156 if( val != null ) {
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diff changeset
157 list.add(val);
47
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diff changeset
158 mapToList();
46
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diff changeset
159 }
224
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diff changeset
160 return;
46
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161 } else if( i>=0 && i<list.size() ) {
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diff changeset
162 list.set(i,val);
118
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diff changeset
163 if( val == null ) {
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parents: 108
diff changeset
164 listToMap(i);
44
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165 }
224
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diff changeset
166 return;
44
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167 }
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168 }
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169 }
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diff changeset
170 if( map==null ) {
284
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diff changeset
171 map = newMap();
44
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172 }
46
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diff changeset
173 if( key instanceof Number && !(key instanceof Double) ) {
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diff changeset
174 Number n = (Number)key;
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diff changeset
175 key = Double.valueOf(n.doubleValue());
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diff changeset
176 }
1
2df768b926aa start Luan
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diff changeset
177 if( val == null ) {
224
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parents: 222
diff changeset
178 map.remove(key);
1
2df768b926aa start Luan
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diff changeset
179 } else {
224
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diff changeset
180 map.put(key,val);
1
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181 }
2df768b926aa start Luan
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182 }
2df768b926aa start Luan
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183
47
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diff changeset
184 private void mapToList() {
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diff changeset
185 if( map != null ) {
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diff changeset
186 while(true) {
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diff changeset
187 Object v = map.remove(Double.valueOf(list.size()+1));
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diff changeset
188 if( v == null )
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diff changeset
189 break;
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diff changeset
190 list.add(v);
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191 }
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192 }
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193 }
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diff changeset
194
118
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diff changeset
195 private void listToMap(int from) {
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diff changeset
196 if( list != null ) {
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diff changeset
197 while( list.size() > from ) {
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diff changeset
198 int i = list.size() - 1;
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diff changeset
199 Object v = list.remove(i);
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diff changeset
200 if( v != null ) {
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diff changeset
201 if( map==null )
284
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diff changeset
202 map = newMap();
118
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diff changeset
203 map.put(i+1,v);
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diff changeset
204 }
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diff changeset
205 }
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diff changeset
206 }
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diff changeset
207 }
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diff changeset
208
47
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diff changeset
209 private List<Object> list() {
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diff changeset
210 if( list == null ) {
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211 list = new ArrayList<Object>();
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212 mapToList();
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213 }
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214 return list;
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215 }
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216
221
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217 @Override public void insert(int pos,Object value) {
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218 if( value==null )
222
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219 throw new IllegalArgumentException("can't insert a nil value");
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220 list().add(pos-1,value);
108
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221 mapToList();
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222 }
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223
221
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224 @Override public void add(Object value) {
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225 if( value==null )
222
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226 throw new IllegalArgumentException("can't add a nil value");
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227 list().add(value);
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228 mapToList();
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229 }
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230
221
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231 @Override public Object remove(int pos) {
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232 return list().remove(pos-1);
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233 }
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234
221
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235 @Override public void sort(Comparator<Object> cmp) {
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236 Collections.sort(list(),cmp);
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237 }
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238
221
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239 @Override public int length() {
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240 return list==null ? 0 : list.size();
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2df768b926aa start Luan
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241 }
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242
221
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243 @Override public Iterator<Map.Entry<Object,Object>> iterator() {
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244 if( list == null ) {
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245 if( map == null )
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246 return Collections.<Map.Entry<Object,Object>>emptyList().iterator();
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247 return map.entrySet().iterator();
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248 }
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249 if( map == null )
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250 return listIterator();
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251 return new Iterator<Map.Entry<Object,Object>>() {
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252 Iterator<Map.Entry<Object,Object>> iter = listIterator();
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253 boolean isList = true;
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254 public boolean hasNext() {
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255 boolean b = iter.hasNext();
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256 if( !b && isList ) {
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257 iter = map.entrySet().iterator();
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258 isList = false;
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259 b = iter.hasNext();
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260 }
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261 return b;
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262 }
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263 public Map.Entry<Object,Object> next() {
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264 return iter.next();
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265 }
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266 public void remove() {
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267 throw new UnsupportedOperationException();
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268 }
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269 };
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270 }
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271
221
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272 private Iterator<Map.Entry<Object,Object>> listIterator() {
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273 if( list == null )
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274 return Collections.<Map.Entry<Object,Object>>emptyList().iterator();
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275 final ListIterator iter = list.listIterator();
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276 return new Iterator<Map.Entry<Object,Object>>() {
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277 public boolean hasNext() {
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278 return iter.hasNext();
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279 }
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280 public Map.Entry<Object,Object> next() {
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281 Double key = Double.valueOf(iter.nextIndex()+1);
222
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282 return new AbstractMap.SimpleEntry<Object,Object>(key,iter.next());
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283 }
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284 public void remove() {
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285 throw new UnsupportedOperationException();
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286 }
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287 };
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288 }
221
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289
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290 @Override public LuanTable subList(int from,int to) {
226
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291 LuanTableImpl tbl = shallowClone();
221
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292 tbl.list = new ArrayList<Object>(list().subList(from-1,to-1));
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293 return tbl;
27
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294 }
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295
221
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296 @Override public LuanTable getMetatable() {
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297 return metatable;
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298 }
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299
221
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300 @Override public void setMetatable(LuanTable metatable) {
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301 this.metatable = metatable;
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302 }
300
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303
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304 @Override public boolean hasJava() {
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305 return hasJava;
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306 }
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307
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308 @Override public void setJava() {
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309 hasJava = true;
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310 }
1
2df768b926aa start Luan
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311 }