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annotate src/luan/LuanTable.java @ 940:b77d631b9e28

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remove scheduleTimeout() and cancelTimeout()
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 11 Oct 2016 00:13:30 -0600
parents 6b8ea0a9b7c9
children 2443152dc2f1
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1
2df768b926aa start Luan
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1 package luan;
2df768b926aa start Luan
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2
27
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3 import java.util.Iterator;
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4 import java.util.ListIterator;
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2df768b926aa start Luan
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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.LinkedHashMap;
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8 import java.util.List;
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9 import java.util.ArrayList;
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10 import java.util.Collections;
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11 import java.util.Comparator;
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12 import java.util.Set;
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13 import java.util.HashSet;
1
2df768b926aa start Luan
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14
2df768b926aa start Luan
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15
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16 public final class LuanTable implements LuanCloneable {
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17 private Map map = null;
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18 private List list = null;
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19 private LuanTable metatable = null;
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20 public LuanJava java;
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21 private LuanCloner cloner;
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22
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23 public LuanTable() {}
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24
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25 public LuanTable(List list) {
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26 int n = list.size();
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27 for( int i=0; i<n; i++ ) {
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28 Object val = list.get(i);
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29 if( val != null )
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30 rawPut(i+1,val);
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31 }
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32 }
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33
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34 public LuanTable(Map map) {
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35 for( Object stupid : map.entrySet() ) {
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36 Map.Entry entry = (Map.Entry)stupid;
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37 Object key = entry.getKey();
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38 Object value = entry.getValue();
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39 if( key != null && value != null )
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40 rawPut(key,value);
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41 }
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42 }
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43
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44 public LuanTable(Set set) {
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45 for( Object el : set ) {
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46 if( el != null )
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47 rawPut(el,Boolean.TRUE);
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48 }
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49 }
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2df768b926aa start Luan
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50
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51 public LuanTable(LuanTable tbl) {
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52 if( tbl.map != null && !tbl.map.isEmpty() )
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53 this.map = new LinkedHashMap<Object,Object>(tbl.map);
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54 if( tbl.rawLength() > 0 )
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55 this.list = new ArrayList<Object>(tbl.list);
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56 this.metatable = tbl.metatable;
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57 }
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58
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59 @Override public LuanTable shallowClone() {
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60 return new LuanTable();
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61 }
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62
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63 @Override public void deepenClone(LuanCloneable dc,LuanCloner cloner) {
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64 check();
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65 LuanTable clone = (LuanTable)dc;
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66 switch( cloner.type ) {
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67 case COMPLETE:
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68 deepenClone(clone,cloner);
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69 return;
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70 case INCREMENTAL:
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71 clone.cloner = cloner;
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72 clone.map = map;
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73 clone.list = list;
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74 clone.metatable = metatable;
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75 clone.java = java;
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76 return;
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77 }
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78 }
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79
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80 private void check() {
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81 if( cloner != null ) {
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82 deepenClone(this,cloner);
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83 cloner = null;
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84 }
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85 }
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86
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87 private void deepenClone(LuanTable clone,LuanCloner cloner) {
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88 if( map != null ) {
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89 Map newMap = newMap();
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90 for( Object stupid : map.entrySet() ) {
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91 Map.Entry entry = (Map.Entry)stupid;
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92 newMap.put( cloner.get(entry.getKey()), cloner.get(entry.getValue()) );
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93 }
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94 clone.map = newMap;
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95 }
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96 if( list != null ) {
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97 List newList = new ArrayList<Object>();
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98 for( Object obj : list ) {
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99 newList.add(cloner.get(obj));
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100 }
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101 clone.list = newList;
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102 }
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103 clone.metatable = (LuanTable)cloner.clone(metatable);
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104 clone.java = (LuanJava)cloner.clone(java);
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105 }
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106
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107 public boolean isList() {
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108 return map==null || map.isEmpty();
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109 }
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110
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111 public List<Object> asList() {
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112 check();
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113 return list!=null ? list : Collections.emptyList();
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114 }
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115
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116 public String toString(LuanState luan) throws LuanException {
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117 Object h = getHandler("__to_string");
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118 if( h == null )
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119 return rawToString();
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120 LuanFunction fn = Luan.checkFunction(h);
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121 return Luan.checkString( Luan.first( fn.call(luan,new Object[]{this}) ) );
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122 }
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123
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124 public String rawToString() {
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125 return "table: " + Integer.toHexString(hashCode());
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126 }
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127
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128 public Object get(LuanState luan,Object key) throws LuanException {
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129 Object value = rawGet(key);
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130 if( value != null )
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131 return value;
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132 Object h = getHandler("__index");
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133 if( h==null )
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134 return null;
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135 if( h instanceof LuanFunction ) {
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136 LuanFunction fn = (LuanFunction)h;
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137 return Luan.first(fn.call(luan,new Object[]{this,key}));
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138 }
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139 return luan.index(h,key);
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140 }
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141
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142 public Object rawGet(Object key) {
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143 check();
46
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144 if( list != null ) {
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145 Integer iT = Luan.asInteger(key);
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146 if( iT != null ) {
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147 int i = iT - 1;
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148 if( i>=0 && i<list.size() )
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149 return list.get(i);
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150 }
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151 }
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152 if( map==null )
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153 return null;
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154 if( key instanceof Number && !(key instanceof Double) ) {
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155 Number n = (Number)key;
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156 key = Double.valueOf(n.doubleValue());
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157 }
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158 return map.get(key);
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159 }
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160
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161 public void put(LuanState luan,Object key,Object value) throws LuanException {
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162 Object h = getHandler("__new_index");
427
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163 if( h==null || rawGet(key)!=null ) {
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164 rawPut(key,value);
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165 return;
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166 }
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167 if( h instanceof LuanFunction ) {
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168 LuanFunction fn = (LuanFunction)h;
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169 fn.call(luan,new Object[]{this,key,value});
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170 return;
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171 }
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172 if( h instanceof LuanTable ) {
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173 LuanTable tbl = (LuanTable)h;
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174 tbl.put(luan,key,value);
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175 return;
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176 }
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177 throw new LuanException("invalid type "+Luan.type(h)+" for metamethod __new_index");
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178 }
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179
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180 public void rawPut(Object key,Object val) {
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181 check();
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182 Integer iT = Luan.asInteger(key);
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183 if( iT != null ) {
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184 int i = iT - 1;
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185 if( list != null || i == 0 ) {
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186 if( i == list().size() ) {
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187 if( val != null ) {
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188 list.add(val);
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189 mapToList();
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190 }
224
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191 return;
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192 } else if( i>=0 && i<list.size() ) {
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193 list.set(i,val);
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194 if( val == null ) {
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195 listToMap(i);
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196 }
224
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197 return;
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198 }
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199 }
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200 }
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201 if( map==null )
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202 map = newMap();
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203 if( key instanceof Number && !(key instanceof Double) ) {
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204 Number n = (Number)key;
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205 key = Double.valueOf(n.doubleValue());
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206 }
1
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207 if( val == null ) {
224
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diff changeset
208 map.remove(key);
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209 } else {
224
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diff changeset
210 map.put(key,val);
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211 }
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212 }
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213
47
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214 private void mapToList() {
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215 if( map != null ) {
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216 while(true) {
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217 Object v = map.remove(Double.valueOf(list.size()+1));
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218 if( v == null )
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219 break;
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220 list.add(v);
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221 }
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222 }
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223 }
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224
118
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225 private void listToMap(int from) {
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226 if( list != null ) {
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227 while( list.size() > from ) {
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228 int i = list.size() - 1;
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229 Object v = list.remove(i);
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230 if( v != null ) {
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diff changeset
231 if( map==null )
284
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diff changeset
232 map = newMap();
118
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233 map.put(i+1,v);
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234 }
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235 }
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236 }
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237 }
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238
47
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diff changeset
239 private List<Object> list() {
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240 if( list == null ) {
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241 list = new ArrayList<Object>();
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242 mapToList();
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243 }
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244 return list;
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245 }
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diff changeset
246
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diff changeset
247 public void rawInsert(int pos,Object value) {
785
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248 check();
108
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diff changeset
249 if( value==null )
222
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diff changeset
250 throw new IllegalArgumentException("can't insert a nil value");
47
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diff changeset
251 list().add(pos-1,value);
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252 mapToList();
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253 }
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254
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255 public Object rawRemove(int pos) {
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256 check();
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257 return list().remove(pos-1);
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258 }
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259
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260 public void rawSort(Comparator<Object> cmp) {
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261 check();
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262 Collections.sort(list(),cmp);
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263 }
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264
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265 public int length(LuanState luan) throws LuanException {
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266 Object h = getHandler("__len");
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267 if( h != null ) {
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268 LuanFunction fn = Luan.checkFunction(h);
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269 return (Integer)Luan.first(fn.call(luan,new Object[]{this}));
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270 }
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271 return rawLength();
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272 }
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273
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274 public int rawLength() {
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275 check();
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276 return list==null ? 0 : list.size();
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277 }
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278
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279 public Iterable<Map.Entry<Object,Object>> iterable(LuanState luan) throws LuanException {
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280 final Iterator<Map.Entry<Object,Object>> iter = iterator(luan);
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281 return new Iterable<Map.Entry<Object,Object>>() {
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282 public Iterator<Map.Entry<Object,Object>> iterator() {
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283 return iter;
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284 }
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285 };
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286 }
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287
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288 public Iterable<Map.Entry<Object,Object>> rawIterable() throws LuanException {
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289 final Iterator<Map.Entry<Object,Object>> iter = rawIterator();
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290 return new Iterable<Map.Entry<Object,Object>>() {
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291 public Iterator<Map.Entry<Object,Object>> iterator() {
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292 return iter;
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293 }
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294 };
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295 }
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296
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297 public Iterator<Map.Entry<Object,Object>> iterator(final LuanState luan) throws LuanException {
432
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298 if( getHandler("__pairs") == null )
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299 return rawIterator();
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300 final LuanFunction fn = pairs(luan);
432
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301 return new Iterator<Map.Entry<Object,Object>>() {
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302 private Map.Entry<Object,Object> next = getNext();
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303
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304 private Map.Entry<Object,Object> getNext() {
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305 try {
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306 Object obj = fn.call(luan);
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307 if( obj==null )
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308 return null;
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309 Object[] a = (Object[])obj;
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310 if( a.length == 0 || a[0]==null )
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311 return null;
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312 return new AbstractMap.SimpleEntry<Object,Object>(a[0],a[1]);
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313 } catch(LuanException e) {
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314 throw new LuanRuntimeException(e);
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315 }
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316 }
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317
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318 public boolean hasNext() {
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319 return next != null;
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320 }
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321
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322 public Map.Entry<Object,Object> next() {
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323 Map.Entry<Object,Object> rtn = next;
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324 next = getNext();
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325 return rtn;
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326 }
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327
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328 public void remove() {
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329 throw new UnsupportedOperationException();
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330 }
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331 };
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332 }
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333
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334 public LuanFunction pairs(LuanState luan) throws LuanException {
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335 Object h = getHandler("__pairs");
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336 if( h != null ) {
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337 if( h instanceof LuanFunction ) {
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338 LuanFunction fn = (LuanFunction)h;
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339 Object obj = Luan.first(fn.call(luan,new Object[]{this}));
432
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340 if( !(obj instanceof LuanFunction) )
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341 throw new LuanException( "metamethod __pairs should return function but returned " + Luan.type(obj) );
432
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342 return (LuanFunction)obj;
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343 }
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344 throw new LuanException( "invalid type of metamethod __pairs: " + Luan.type(h) );
432
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345 }
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346 return rawPairs();
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347 }
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348
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349 private LuanFunction rawPairs() {
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350 return new LuanFunction() {
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351 final Iterator<Map.Entry<Object,Object>> iter = rawIterator();
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352
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353 @Override public Object[] call(LuanState luan,Object[] args) {
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354 if( !iter.hasNext() )
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355 return LuanFunction.NOTHING;
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356 Map.Entry<Object,Object> entry = iter.next();
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357 return new Object[]{entry.getKey(),entry.getValue()};
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358 }
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359 };
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360 }
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361
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362 public Iterator<Map.Entry<Object,Object>> rawIterator() {
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363 check();
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364 if( list == null ) {
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365 if( map == null )
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366 return Collections.<Map.Entry<Object,Object>>emptyList().iterator();
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367 return map.entrySet().iterator();
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368 }
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369 if( map == null )
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370 return listIterator();
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371 return new Iterator<Map.Entry<Object,Object>>() {
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372 Iterator<Map.Entry<Object,Object>> iter = listIterator();
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373 boolean isList = true;
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374
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375 public boolean hasNext() {
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376 boolean b = iter.hasNext();
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377 if( !b && isList ) {
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378 iter = map.entrySet().iterator();
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379 isList = false;
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380 b = iter.hasNext();
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381 }
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382 return b;
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383 }
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384
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385 public Map.Entry<Object,Object> next() {
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386 return iter.next();
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387 }
432
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388
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389 public void remove() {
57054fa43189 implement table lib
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390 throw new UnsupportedOperationException();
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391 }
57054fa43189 implement table lib
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392 };
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393 }
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394
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ec016471c6eb make LuanTable an interface
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395 private Iterator<Map.Entry<Object,Object>> listIterator() {
44
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396 if( list == null )
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397 return Collections.<Map.Entry<Object,Object>>emptyList().iterator();
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398 final ListIterator iter = list.listIterator();
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399 return new Iterator<Map.Entry<Object,Object>>() {
432
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400
44
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401 public boolean hasNext() {
57054fa43189 implement table lib
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402 return iter.hasNext();
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403 }
432
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404
44
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405 public Map.Entry<Object,Object> next() {
432
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406 Integer key = iter.nextIndex()+1;
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407 return new AbstractMap.SimpleEntry<Object,Object>(key,iter.next());
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408 }
432
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409
44
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410 public void remove() {
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411 throw new UnsupportedOperationException();
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412 }
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413 };
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414 }
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415
431
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416 public LuanTable rawSubList(int from,int to) {
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417 check();
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418 LuanTable tbl = new LuanTable();
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419 tbl.list = new ArrayList<Object>(list().subList(from-1,to-1));
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420 return tbl;
27
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421 }
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422
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423 public LuanTable getMetatable() {
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424 check();
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425 return metatable;
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426 }
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427
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428 public void setMetatable(LuanTable metatable) {
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429 check();
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430 this.metatable = metatable;
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431 }
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432
419
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433 public Object getHandler(String op) {
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434 check();
432
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435 return metatable==null ? null : metatable.rawGet(op);
419
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436 }
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437
431
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438 private Map<Object,Object> newMap() {
406
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439 return new LinkedHashMap<Object,Object>();
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440 }
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441
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442 public boolean isSet(LuanState luan) throws LuanException {
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diff changeset
443 for( Map.Entry<Object,Object> entry : iterable(luan) ) {
406
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diff changeset
444 if( !entry.getValue().equals(Boolean.TRUE) )
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445 return false;
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446 }
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447 return true;
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448 }
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449
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diff changeset
450 public Set<Object> asSet(LuanState luan) throws LuanException {
406
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451 Set<Object> set = new HashSet<Object>();
575
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diff changeset
452 for( Map.Entry<Object,Object> entry : iterable(luan) ) {
406
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453 set.add(entry.getKey());
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454 }
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455 return set;
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456 }
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457
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458 public Map<Object,Object> asMap(LuanState luan) throws LuanException {
406
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459 Map<Object,Object> map = newMap();
575
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460 for( Map.Entry<Object,Object> entry : iterable(luan) ) {
406
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461 map.put(entry.getKey(),entry.getValue());
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462 }
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463 return map;
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diff changeset
464 }
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diff changeset
465
497
55f9f74f1e55 Http.request is now pure luan
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diff changeset
466 public void rawClear() {
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467 check();
497
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468 map = null;
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diff changeset
469 list = null;
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470 }
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parents: 434
diff changeset
471
1
2df768b926aa start Luan
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472 }