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annotate src/luan/LuanTable.java @ 1561:e1a13e707bf3

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start immutable
author Franklin Schmidt <fschmidt@gmail.com>
date Thu, 05 Nov 2020 20:24:09 -0700
parents d4407e8de707
children b89212fd04b5
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rev   line source
1
2df768b926aa start Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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1 package luan;
2df768b926aa start Luan
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2
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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.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;
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2df768b926aa start Luan
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14
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15
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16 public final class LuanTable implements LuanCloneable {
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17 private Luan luan;
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18 private Map map = null;
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19 private List list = null;
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20 private LuanTable metatable = null;
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21 public LuanClosure closure;
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22 private LuanCloner cloner;
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23 private String security = null;
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24 private boolean immutable = false;
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25
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26 public LuanTable(Luan luan) {
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27 this.luan = luan;
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28 }
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29
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30 public LuanTable(Luan luan,List list) {
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31 this.luan = luan;
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32 list();
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33 int n = list.size();
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34 for( int i=0; i<n; i++ ) {
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35 Object val = list.get(i);
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36 if( val != null )
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37 rawPut2(i+1,val);
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38 }
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39 }
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40
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41 public LuanTable(Luan luan,Map map) {
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42 this.luan = luan;
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43 for( Object stupid : map.entrySet() ) {
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44 Map.Entry entry = (Map.Entry)stupid;
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45 Object key = entry.getKey();
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46 Object value = entry.getValue();
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47 if( key != null && value != null )
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48 rawPut2(key,value);
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49 }
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50 }
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51
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52 public LuanTable(Luan luan,Set set) {
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53 this.luan = luan;
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54 for( Object el : set ) {
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55 if( el != null )
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56 rawPut2(el,Boolean.TRUE);
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57 }
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58 }
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2df768b926aa start Luan
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59
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60 public LuanTable(LuanTable tbl) {
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61 this.luan = tbl.luan;
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62 if( tbl.map != null && !tbl.map.isEmpty() )
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63 this.map = new LinkedHashMap<Object,Object>(tbl.map);
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64 if( tbl.rawLength() > 0 )
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65 this.list = new ArrayList<Object>(tbl.list);
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66 this.metatable = tbl.metatable;
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67 }
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68
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69 @Override public LuanTable shallowClone() {
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70 if(immutable) throw new RuntimeException();
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71 return new LuanTable(luan);
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72 }
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73
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74 @Override public void deepenClone(LuanCloneable dc,LuanCloner cloner) {
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75 check();
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76 LuanTable clone = (LuanTable)dc;
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77 clone.security = security;
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78 switch( cloner.type ) {
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79 case COMPLETE:
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80 completeClone(clone,cloner);
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81 return;
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82 case INCREMENTAL:
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83 clone.cloner = cloner;
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84 clone.map = map;
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85 clone.list = list;
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86 clone.metatable = metatable;
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87 clone.closure = closure;
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88 return;
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89 }
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90 }
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91
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92 private void check() {
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93 if( cloner != null ) {
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94 completeClone(this,cloner);
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95 cloner = null;
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96 }
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97 }
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98
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99 public Luan luan() {
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100 check();
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101 return luan;
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102 }
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103
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104 private void completeClone(LuanTable clone,LuanCloner cloner) {
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105 clone.luan = (Luan)cloner.clone(luan);
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106 clone.map = cloner.clone(map);
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107 clone.list = (List)cloner.clone(list);
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108 clone.metatable = (LuanTable)cloner.clone(metatable);
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109 clone.closure = (LuanClosure)cloner.clone(closure);
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110 }
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111
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112 @Override public void makeImmutable(LuanImmutabler immutabler) throws LuanException {
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113 check();
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114 immutabler.makeImmutable(luan);
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115 immutabler.makeImmutable(map);
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116 immutabler.makeImmutable(list);
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117 immutabler.makeImmutable(metatable);
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118 immutabler.makeImmutable(closure);
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119 immutable = true;
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120 }
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121
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122 public boolean isList() {
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123 return map==null || map.isEmpty();
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124 }
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125
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126 public boolean isMap() {
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127 return map!=null || list==null;
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128 }
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129
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130 public List<Object> asList() {
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131 check();
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132 return list!=null ? list : Collections.emptyList();
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133 }
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134
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135 public Map rawMap() {
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136 check();
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137 return map!=null ? map : Collections.emptyMap();
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138 }
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139
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140 public String toStringLuan() throws LuanException {
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141 Object h = getHandler("__to_string");
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142 if( h == null )
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143 return rawToString();
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144 LuanFunction fn = Luan.checkFunction(h);
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145 return Luan.checkString( Luan.first( fn.call(this) ) );
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146 }
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147
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148 public String rawToString() {
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149 return "table: " + Integer.toHexString(hashCode());
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150 }
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151
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152 public Object get(Object key) throws LuanException {
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153 Object value = rawGet(key);
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154 if( value != null )
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155 return value;
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156 Object h = getHandler("__index");
426
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157 if( h==null )
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158 return null;
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159 if( h instanceof LuanFunction ) {
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160 LuanFunction fn = (LuanFunction)h;
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161 return Luan.first(fn.call(this,key));
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162 }
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163 return luan.index(h,key);
426
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164 }
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165
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166 public Object rawGet(Object key) {
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167 check();
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168 if( list != null ) {
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169 Integer iT = Luan.asInteger(key);
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170 if( iT != null ) {
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171 int i = iT - 1;
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172 if( i>=0 && i<list.size() )
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173 return list.get(i);
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174 }
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175 }
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176 if( map==null )
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177 return null;
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178 if( key instanceof Number && !(key instanceof Double) ) {
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179 Number n = (Number)key;
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180 key = Double.valueOf(n.doubleValue());
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181 }
1
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182 return map.get(key);
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183 }
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184
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185 public void put(Object key,Object value) throws LuanException {
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186 Object h = getHandler("__new_index");
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187 if( h==null || rawGet(key)!=null ) {
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188 rawPut(key,value);
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189 return;
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190 }
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191 if( h instanceof LuanFunction ) {
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192 LuanFunction fn = (LuanFunction)h;
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193 fn.call(this,key,value);
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194 return;
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195 }
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196 if( h instanceof LuanTable ) {
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197 LuanTable tbl = (LuanTable)h;
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198 tbl.put(key,value);
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199 return;
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200 }
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201 throw new LuanException("invalid type "+Luan.type(h)+" for metamethod __new_index");
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202 }
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203
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204 public Object rawPut(Object key,Object val) throws LuanException {
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205 if( immutable )
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206 throw new LuanException("table is immutable");
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207 if( security != null )
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208 Luan.checkSecurity(luan,"table",security,"put",key,val);
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209 return rawPut2(key,val);
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210 }
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211
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212 private Object rawPut2(Object key,Object val) {
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213 check();
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214 Integer iT = Luan.asInteger(key);
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215 if( iT != null ) {
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216 int i = iT - 1;
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217 if( list != null || i == 0 ) {
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218 if( i == list().size() ) {
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219 if( val != null ) {
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220 list.add(val);
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221 mapToList();
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222 }
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223 return null;
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224 } else if( i>=0 && i<list.size() ) {
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225 Object rtn = list.set(i,val);
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226 if( val == null ) {
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227 listToMap(i);
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228 }
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229 return rtn;
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230 }
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231 }
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232 }
46
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233 if( key instanceof Number && !(key instanceof Double) ) {
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234 Number n = (Number)key;
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235 key = Double.valueOf(n.doubleValue());
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236 }
1
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237 if( val == null ) {
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238 if( map!=null )
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239 return map.remove(key);
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240 else
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241 return null;
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242 } else {
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243 if( map==null )
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244 map = newMap();
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245 return map.put(key,val);
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246 }
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247 }
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248
47
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249 private void mapToList() {
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250 if( map != null ) {
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diff changeset
251 while(true) {
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252 Object v = map.remove(Double.valueOf(list.size()+1));
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253 if( v == null )
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254 break;
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255 list.add(v);
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256 }
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257 }
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258 }
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259
118
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diff changeset
260 private void listToMap(int from) {
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diff changeset
261 if( list != null ) {
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diff changeset
262 while( list.size() > from ) {
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263 int i = list.size() - 1;
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diff changeset
264 Object v = list.remove(i);
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diff changeset
265 if( v != null ) {
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diff changeset
266 if( map==null )
284
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parents: 233
diff changeset
267 map = newMap();
118
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diff changeset
268 map.put(i+1,v);
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269 }
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270 }
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271 }
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272 }
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273
47
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274 private List<Object> list() {
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275 if( list == null ) {
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276 list = new ArrayList<Object>();
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277 mapToList();
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278 }
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279 return list;
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280 }
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281
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282 public void rawInsert(int pos,Object value) {
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283 check();
108
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284 if( value==null )
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285 throw new IllegalArgumentException("can't insert a nil value");
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286 list().add(pos-1,value);
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287 mapToList();
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288 }
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289
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290 public void rawAdd(Object value) {
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291 check();
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292 if( value==null )
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293 throw new IllegalArgumentException("can't insert a nil value");
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294 list().add(value);
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295 mapToList();
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296 }
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297
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298 public Object removeFromList(int pos) {
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299 check();
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300 return list().remove(pos-1);
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301 }
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302
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303 public void rawSort(Comparator<Object> cmp) {
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304 check();
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305 Collections.sort(list(),cmp);
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306 }
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307
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308 public int length() throws LuanException {
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309 Object h = getHandler("__len");
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310 if( h != null ) {
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311 LuanFunction fn = Luan.checkFunction(h);
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312 return (Integer)Luan.first(fn.call(this));
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313 }
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314 return rawLength();
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315 }
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316
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317 public int rawLength() {
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318 check();
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319 return list==null ? 0 : list.size();
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320 }
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321
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322 public Iterable<Map.Entry> iterable() throws LuanException {
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323 final Iterator<Map.Entry> iter = iterator();
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324 return new Iterable<Map.Entry>() {
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325 public Iterator<Map.Entry> iterator() {
432
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326 return iter;
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327 }
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328 };
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329 }
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330
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331 public Iterable<Map.Entry> rawIterable() {
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332 final Iterator<Map.Entry> iter = rawIterator();
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333 return new Iterable<Map.Entry>() {
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334 public Iterator<Map.Entry> iterator() {
498
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335 return iter;
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336 }
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337 };
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338 }
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339
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340 public Iterator<Map.Entry> iterator() throws LuanException {
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341 if( getHandler("__pairs") == null )
432
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342 return rawIterator();
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343 final LuanFunction fn = pairs();
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344 return new Iterator<Map.Entry>() {
432
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345 private Map.Entry<Object,Object> next = getNext();
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346
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347 private Map.Entry<Object,Object> getNext() {
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348 try {
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349 Object obj = fn.call();
432
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350 if( obj==null )
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351 return null;
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352 Object[] a = (Object[])obj;
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55f9f74f1e55 Http.request is now pure luan
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353 if( a.length == 0 || a[0]==null )
432
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354 return null;
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355 return new AbstractMap.SimpleEntry<Object,Object>(a[0],a[1]);
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356 } catch(LuanException e) {
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357 throw new LuanRuntimeException(e);
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358 }
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359 }
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360
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361 public boolean hasNext() {
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362 return next != null;
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363 }
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364
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365 public Map.Entry<Object,Object> next() {
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366 Map.Entry<Object,Object> rtn = next;
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367 next = getNext();
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368 return rtn;
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369 }
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370
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371 public void remove() {
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372 throw new UnsupportedOperationException();
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373 }
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374 };
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375 }
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376
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377 public LuanFunction pairs() throws LuanException {
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378 Object h = getHandler("__pairs");
432
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379 if( h != null ) {
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380 if( h instanceof LuanFunction ) {
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381 LuanFunction fn = (LuanFunction)h;
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382 Object obj = Luan.first(fn.call(this));
432
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diff changeset
383 if( !(obj instanceof LuanFunction) )
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diff changeset
384 throw new LuanException( "metamethod __pairs should return function but returned " + Luan.type(obj) );
432
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385 return (LuanFunction)obj;
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386 }
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cdc70de628b5 simplify LuanException
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387 throw new LuanException( "invalid type of metamethod __pairs: " + Luan.type(h) );
432
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388 }
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389 return rawPairs();
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390 }
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391
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392 private LuanFunction rawPairs() {
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393 return new LuanFunction(false) { // ???
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394 final Iterator<Map.Entry> iter = rawIterator();
432
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395
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diff changeset
396 @Override public Object[] call(Object[] args) {
432
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397 if( !iter.hasNext() )
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398 return LuanFunction.NOTHING;
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399 Map.Entry<Object,Object> entry = iter.next();
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400 return new Object[]{entry.getKey(),entry.getValue()};
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diff changeset
401 }
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diff changeset
402 };
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403 }
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diff changeset
404
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diff changeset
405 public Iterator<Map.Entry> rawIterator() {
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diff changeset
406 check();
44
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diff changeset
407 if( list == null ) {
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diff changeset
408 if( map == null )
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diff changeset
409 return Collections.<Map.Entry>emptyList().iterator();
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diff changeset
410 return map.entrySet().iterator();
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diff changeset
411 }
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fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
412 if( map == null )
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
413 return listIterator();
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
414 return new Iterator<Map.Entry>() {
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
415 Iterator<Map.Entry> iter = listIterator();
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
416 boolean isList = true;
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
417
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
418 public boolean hasNext() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
419 boolean b = iter.hasNext();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
420 if( !b && isList ) {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
421 iter = map.entrySet().iterator();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
422 isList = false;
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
423 b = iter.hasNext();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
424 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
425 return b;
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
426 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
427
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
428 public Map.Entry<Object,Object> next() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
429 return iter.next();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
430 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
431
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
432 public void remove() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
433 throw new UnsupportedOperationException();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
434 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
435 };
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
436 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
437
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
438 private Iterator<Map.Entry> listIterator() {
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
439 if( list == null )
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
440 return Collections.<Map.Entry>emptyList().iterator();
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
441 final ListIterator iter = list.listIterator();
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
442 return new Iterator<Map.Entry>() {
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
443
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
444 public boolean hasNext() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
445 return iter.hasNext();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
446 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
447
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
448 public Map.Entry<Object,Object> next() {
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
449 Integer key = iter.nextIndex()+1;
222
b76fcb72d97d add AbstractLuanTable and improve HttpLuan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 221
diff changeset
450 return new AbstractMap.SimpleEntry<Object,Object>(key,iter.next());
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
451 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
452
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
453 public void remove() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
454 throw new UnsupportedOperationException();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
455 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
456 };
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
457 }
221
ec016471c6eb make LuanTable an interface
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
458
431
3ffe8ba5b297 TableLuan cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 430
diff changeset
459 public LuanTable rawSubList(int from,int to) {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
460 check();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
461 LuanTable tbl = new LuanTable(luan);
221
ec016471c6eb make LuanTable an interface
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
462 tbl.list = new ArrayList<Object>(list().subList(from-1,to-1));
ec016471c6eb make LuanTable an interface
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
463 return tbl;
27
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
464 }
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
465
408
1b38de2b1845 merge LuanTableImpl into LuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 406
diff changeset
466 public LuanTable getMetatable() {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
467 check();
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
468 return metatable;
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
469 }
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
470
1330
f41919741100 fix security
Franklin Schmidt <fschmidt@gmail.com>
parents: 1284
diff changeset
471 public void setMetatable(LuanTable metatable) throws LuanException {
f41919741100 fix security
Franklin Schmidt <fschmidt@gmail.com>
parents: 1284
diff changeset
472 if( security != null )
f41919741100 fix security
Franklin Schmidt <fschmidt@gmail.com>
parents: 1284
diff changeset
473 Luan.checkSecurity(luan,"table",security,"set_metatable",metatable);
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
474 check();
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
475 this.metatable = metatable;
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
476 }
300
9fb523472035 add java() to control java access
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 284
diff changeset
477
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
478 public Object getHandler(String op) throws LuanException {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
479 check();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
480 return metatable==null ? null : metatable.get(op);
419
8fbb961aabd5 improve repr() to check metamethod recursively
Franklin Schmidt <fschmidt@gmail.com>
parents: 414
diff changeset
481 }
8fbb961aabd5 improve repr() to check metamethod recursively
Franklin Schmidt <fschmidt@gmail.com>
parents: 414
diff changeset
482
1561
e1a13e707bf3 start immutable
Franklin Schmidt <fschmidt@gmail.com>
parents: 1542
diff changeset
483 private static Map<Object,Object> newMap() {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
484 return new LinkedHashMap<Object,Object>();
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
485 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
486
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
487 public boolean isSet() throws LuanException {
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
488 for( Map.Entry<Object,Object> entry : iterable() ) {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
489 if( !entry.getValue().equals(Boolean.TRUE) )
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
490 return false;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
491 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
492 return true;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
493 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
494
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
495 public Set<Object> asSet() throws LuanException {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
496 Set<Object> set = new HashSet<Object>();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
497 for( Map.Entry<Object,Object> entry : iterable() ) {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
498 set.add(entry.getKey());
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
499 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
500 return set;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
501 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
502
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
503 public Map<Object,Object> asMap() throws LuanException {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
504 Map<Object,Object> map = newMap();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
505 for( Map.Entry<Object,Object> entry : iterable() ) {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
506 map.put(entry.getKey(),entry.getValue());
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
507 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
508 return map;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
509 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
510
497
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
511 public void rawClear() {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
512 check();
497
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
513 map = null;
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
514 list = null;
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
515 }
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
516
1095
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
517 public int hashValue() {
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
518 int n = 99;
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
519 if( map != null )
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
520 n ^= map.hashCode();
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
521 if( list != null )
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
522 n ^= list.hashCode();
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
523 return n;
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
524 }
1100
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
525
1420
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
526 public boolean isEmpty() {
1100
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
527 return (map==null || map.isEmpty()) && (list==null || list.isEmpty());
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
528 }
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
529
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
530 public int rawSize() {
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
531 int n = 0;
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
532 if( map != null )
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
533 n += map.size();
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
534 if( list != null )
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
535 n += list.size();
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
536 return n;
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
537 }
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
538
1561
e1a13e707bf3 start immutable
Franklin Schmidt <fschmidt@gmail.com>
parents: 1542
diff changeset
539 public Object remove(Object key) throws LuanException {
e1a13e707bf3 start immutable
Franklin Schmidt <fschmidt@gmail.com>
parents: 1542
diff changeset
540 if( immutable )
e1a13e707bf3 start immutable
Franklin Schmidt <fschmidt@gmail.com>
parents: 1542
diff changeset
541 throw new LuanException("table is immutable");
1420
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
542 Object old = rawGet(key);
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
543 rawPut2(key,null);
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
544 return old;
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
545 }
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
546
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
547 protected void finalize() throws Throwable {
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
548 Object h = getHandler("__gc");
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
549 if( h != null ) {
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550 LuanFunction fn = Luan.checkFunction(h);
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551 fn.call(this);
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552 }
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553 super.finalize();
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554 }
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555
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556 public LuanFunction fn(String fnName) throws LuanException {
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557 return (LuanFunction)get(fnName);
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503bde9a7c80 add luan.require() and table.call()
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558 }
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559
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560 public static void setSecurity(LuanTable tbl,String security) {
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561 tbl.security = security;
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562 }
1464
465b4a0dae4a empty list vs map
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563
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564 public static void debug(LuanTable table) {
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565 System.out.println("isMap "+table.isMap());
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566 }
1
2df768b926aa start Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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567 }