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annotate src/luan/LuanTable.java @ 1542:d4407e8de707

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disallow duplicates in table constructor
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 20 Sep 2020 15:53:58 -0600
parents 2e8a5df45d56
children e1a13e707bf3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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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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b76fcb72d97d add AbstractLuanTable and improve HttpLuan
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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
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 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
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25 public LuanTable(Luan luan) {
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26 this.luan = luan;
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27 }
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28
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29 public LuanTable(Luan luan,List list){
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30 this.luan = luan;
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31 list();
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32 int n = list.size();
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33 for( int i=0; i<n; i++ ) {
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34 Object val = list.get(i);
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35 if( val != null )
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36 rawPut2(i+1,val);
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37 }
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38 }
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39
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40 public LuanTable(Luan luan,Map map) {
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41 this.luan = luan;
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42 for( Object stupid : map.entrySet() ) {
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43 Map.Entry entry = (Map.Entry)stupid;
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44 Object key = entry.getKey();
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45 Object value = entry.getValue();
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46 if( key != null && value != null )
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47 rawPut2(key,value);
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48 }
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49 }
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50
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51 public LuanTable(Luan luan,Set set){
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52 this.luan = luan;
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53 for( Object el : set ) {
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54 if( el != null )
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55 rawPut2(el,Boolean.TRUE);
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56 }
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57 }
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2df768b926aa start Luan
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58
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59 public LuanTable(LuanTable tbl) {
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60 this.luan = tbl.luan;
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61 if( tbl.map != null && !tbl.map.isEmpty() )
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62 this.map = new LinkedHashMap<Object,Object>(tbl.map);
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63 if( tbl.rawLength() > 0 )
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64 this.list = new ArrayList<Object>(tbl.list);
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65 this.metatable = tbl.metatable;
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66 }
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67
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68 @Override public LuanTable shallowClone() {
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69 return new LuanTable(luan);
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70 }
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71
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72 @Override public void deepenClone(LuanCloneable dc,LuanCloner cloner) {
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73 check();
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74 LuanTable clone = (LuanTable)dc;
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75 clone.security = security;
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76 switch( cloner.type ) {
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77 case COMPLETE:
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78 completeClone(clone,cloner);
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79 return;
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80 case INCREMENTAL:
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81 clone.cloner = cloner;
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82 clone.map = map;
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83 clone.list = list;
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84 clone.metatable = metatable;
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85 clone.closure = closure;
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86 return;
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87 }
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88 }
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89
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90 private void check() {
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91 if( cloner != null ) {
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92 completeClone(this,cloner);
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93 cloner = null;
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94 }
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95 }
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96
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97 public Luan luan() {
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98 check();
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99 return luan;
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100 }
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101
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102 private void completeClone(LuanTable clone,LuanCloner cloner) {
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103 clone.luan = (Luan)cloner.clone(luan);
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104 if( map != null ) {
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105 Map newMap = newMap();
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106 for( Object stupid : map.entrySet() ) {
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107 Map.Entry entry = (Map.Entry)stupid;
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108 newMap.put( cloner.get(entry.getKey()), cloner.get(entry.getValue()) );
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109 }
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110 clone.map = newMap;
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111 }
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112 if( list != null ) {
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113 List newList = new ArrayList<Object>();
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114 for( Object obj : list ) {
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115 newList.add(cloner.get(obj));
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116 }
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117 clone.list = newList;
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118 }
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119 clone.metatable = (LuanTable)cloner.clone(metatable);
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120 clone.closure = (LuanClosure)cloner.clone(closure);
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121 }
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122
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123 public boolean isList() {
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124 return map==null || map.isEmpty();
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125 }
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126
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127 public boolean isMap() {
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128 return map!=null || list==null;
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129 }
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130
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131 public List<Object> asList() {
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132 check();
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133 return list!=null ? list : Collections.emptyList();
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134 }
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135
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136 public Map rawMap() {
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137 check();
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138 return map!=null ? map : Collections.emptyMap();
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139 }
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140
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141 public String toStringLuan() throws LuanException {
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142 Object h = getHandler("__to_string");
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143 if( h == null )
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144 return rawToString();
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145 LuanFunction fn = Luan.checkFunction(h);
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146 return Luan.checkString( Luan.first( fn.call(this) ) );
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147 }
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148
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149 public String rawToString() {
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150 return "table: " + Integer.toHexString(hashCode());
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151 }
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152
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153 public Object get(Object key) throws LuanException {
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154 Object value = rawGet(key);
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155 if( value != null )
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156 return value;
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157 Object h = getHandler("__index");
426
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158 if( h==null )
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159 return null;
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160 if( h instanceof LuanFunction ) {
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161 LuanFunction fn = (LuanFunction)h;
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162 return Luan.first(fn.call(this,key));
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163 }
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164 return luan.index(h,key);
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165 }
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166
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167 public Object rawGet(Object key) {
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168 check();
46
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169 if( list != null ) {
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170 Integer iT = Luan.asInteger(key);
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171 if( iT != null ) {
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172 int i = iT - 1;
44
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173 if( i>=0 && i<list.size() )
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174 return list.get(i);
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175 }
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176 }
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177 if( map==null )
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178 return null;
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179 if( key instanceof Number && !(key instanceof Double) ) {
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180 Number n = (Number)key;
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181 key = Double.valueOf(n.doubleValue());
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182 }
1
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183 return map.get(key);
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184 }
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185
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186 public void put(Object key,Object value) throws LuanException {
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187 Object h = getHandler("__new_index");
427
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188 if( h==null || rawGet(key)!=null ) {
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189 rawPut(key,value);
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190 return;
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191 }
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192 if( h instanceof LuanFunction ) {
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193 LuanFunction fn = (LuanFunction)h;
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194 fn.call(this,key,value);
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195 return;
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196 }
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197 if( h instanceof LuanTable ) {
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198 LuanTable tbl = (LuanTable)h;
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199 tbl.put(key,value);
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200 return;
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201 }
646
cdc70de628b5 simplify LuanException
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202 throw new LuanException("invalid type "+Luan.type(h)+" for metamethod __new_index");
427
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203 }
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204
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205 public Object rawPut(Object key,Object val) throws LuanException {
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206 if( security != null )
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207 Luan.checkSecurity(luan,"table",security,"put",key,val);
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208 return rawPut2(key,val);
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209 }
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210
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211 private Object rawPut2(Object key,Object val) {
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212 check();
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213 Integer iT = Luan.asInteger(key);
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214 if( iT != null ) {
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215 int i = iT - 1;
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216 if( list != null || i == 0 ) {
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217 if( i == list().size() ) {
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diff changeset
218 if( val != null ) {
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diff changeset
219 list.add(val);
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220 mapToList();
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221 }
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222 return null;
46
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223 } else if( i>=0 && i<list.size() ) {
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224 Object rtn = list.set(i,val);
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225 if( val == null ) {
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226 listToMap(i);
44
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227 }
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228 return rtn;
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229 }
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230 }
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231 }
46
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232 if( key instanceof Number && !(key instanceof Double) ) {
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diff changeset
233 Number n = (Number)key;
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234 key = Double.valueOf(n.doubleValue());
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235 }
1
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236 if( val == null ) {
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237 if( map!=null )
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238 return map.remove(key);
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239 else
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240 return null;
1
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241 } else {
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242 if( map==null )
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243 map = newMap();
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244 return map.put(key,val);
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245 }
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246 }
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247
47
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diff changeset
248 private void mapToList() {
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249 if( map != null ) {
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diff changeset
250 while(true) {
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diff changeset
251 Object v = map.remove(Double.valueOf(list.size()+1));
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diff changeset
252 if( v == null )
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253 break;
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diff changeset
254 list.add(v);
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diff changeset
255 }
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diff changeset
256 }
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diff changeset
257 }
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diff changeset
258
118
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diff changeset
259 private void listToMap(int from) {
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diff changeset
260 if( list != null ) {
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diff changeset
261 while( list.size() > from ) {
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diff changeset
262 int i = list.size() - 1;
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diff changeset
263 Object v = list.remove(i);
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diff changeset
264 if( v != null ) {
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diff changeset
265 if( map==null )
284
8870840251ea use LinkedHashMap in LuanTable to preserve order
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diff changeset
266 map = newMap();
118
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267 map.put(i+1,v);
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268 }
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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 private List<Object> list() {
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274 if( list == null ) {
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275 list = new ArrayList<Object>();
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276 mapToList();
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277 }
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278 return list;
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279 }
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280
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281 public void rawInsert(int pos,Object value) {
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282 check();
108
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283 if( value==null )
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284 throw new IllegalArgumentException("can't insert a nil value");
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285 list().add(pos-1,value);
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286 mapToList();
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287 }
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288
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289 public void rawAdd(Object value) {
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290 check();
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291 if( value==null )
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292 throw new IllegalArgumentException("can't insert a nil value");
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293 list().add(value);
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294 mapToList();
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295 }
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296
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297 public Object removeFromList(int pos) {
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298 check();
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299 return list().remove(pos-1);
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300 }
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301
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302 public void rawSort(Comparator<Object> cmp) {
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303 check();
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304 Collections.sort(list(),cmp);
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305 }
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306
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307 public int length() throws LuanException {
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308 Object h = getHandler("__len");
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309 if( h != null ) {
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310 LuanFunction fn = Luan.checkFunction(h);
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311 return (Integer)Luan.first(fn.call(this));
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312 }
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313 return rawLength();
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314 }
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315
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316 public int rawLength() {
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317 check();
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318 return list==null ? 0 : list.size();
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319 }
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320
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321 public Iterable<Map.Entry> iterable() throws LuanException {
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322 final Iterator<Map.Entry> iter = iterator();
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323 return new Iterable<Map.Entry>() {
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324 public Iterator<Map.Entry> iterator() {
432
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325 return iter;
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326 }
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327 };
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328 }
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329
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330 public Iterable<Map.Entry> rawIterable() {
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331 final Iterator<Map.Entry> iter = rawIterator();
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332 return new Iterable<Map.Entry>() {
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333 public Iterator<Map.Entry> iterator() {
498
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334 return iter;
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335 }
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336 };
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337 }
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338
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339 public Iterator<Map.Entry> iterator() throws LuanException {
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340 if( getHandler("__pairs") == null )
432
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341 return rawIterator();
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342 final LuanFunction fn = pairs();
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343 return new Iterator<Map.Entry>() {
432
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344 private Map.Entry<Object,Object> next = getNext();
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345
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346 private Map.Entry<Object,Object> getNext() {
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347 try {
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348 Object obj = fn.call();
432
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349 if( obj==null )
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350 return null;
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351 Object[] a = (Object[])obj;
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352 if( a.length == 0 || a[0]==null )
432
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353 return null;
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354 return new AbstractMap.SimpleEntry<Object,Object>(a[0],a[1]);
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355 } catch(LuanException e) {
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356 throw new LuanRuntimeException(e);
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357 }
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358 }
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359
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360 public boolean hasNext() {
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361 return next != null;
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362 }
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363
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364 public Map.Entry<Object,Object> next() {
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365 Map.Entry<Object,Object> rtn = next;
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366 next = getNext();
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367 return rtn;
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368 }
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369
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370 public void remove() {
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371 throw new UnsupportedOperationException();
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372 }
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373 };
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374 }
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375
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376 public LuanFunction pairs() throws LuanException {
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377 Object h = getHandler("__pairs");
432
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378 if( h != null ) {
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379 if( h instanceof LuanFunction ) {
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380 LuanFunction fn = (LuanFunction)h;
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381 Object obj = Luan.first(fn.call(this));
432
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382 if( !(obj instanceof LuanFunction) )
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383 throw new LuanException( "metamethod __pairs should return function but returned " + Luan.type(obj) );
432
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384 return (LuanFunction)obj;
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385 }
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386 throw new LuanException( "invalid type of metamethod __pairs: " + Luan.type(h) );
432
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387 }
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388 return rawPairs();
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389 }
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390
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391 private LuanFunction rawPairs() {
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392 return new LuanFunction(false) { // ???
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393 final Iterator<Map.Entry> iter = rawIterator();
432
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394
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diff changeset
395 @Override public Object[] call(Object[] args) {
432
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diff changeset
396 if( !iter.hasNext() )
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397 return LuanFunction.NOTHING;
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398 Map.Entry<Object,Object> entry = iter.next();
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399 return new Object[]{entry.getKey(),entry.getValue()};
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400 }
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diff changeset
401 };
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402 }
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403
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diff changeset
404 public Iterator<Map.Entry> rawIterator() {
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diff changeset
405 check();
44
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diff changeset
406 if( list == null ) {
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diff changeset
407 if( map == null )
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parents: 1100
diff changeset
408 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
409 return map.entrySet().iterator();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
410 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
411 if( map == null )
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
412 return listIterator();
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
413 return new Iterator<Map.Entry>() {
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
414 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
415 boolean isList = true;
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
416
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
417 public boolean hasNext() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
418 boolean b = iter.hasNext();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
419 if( !b && isList ) {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
420 iter = map.entrySet().iterator();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
421 isList = false;
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
422 b = iter.hasNext();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
423 }
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
424 return b;
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
425 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
426
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
427 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
428 return iter.next();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
429 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
430
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
431 public void remove() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
432 throw new UnsupportedOperationException();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
433 }
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
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
437 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
438 if( list == null )
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
439 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
440 final ListIterator iter = list.listIterator();
1113
22652f4020fb add JsonToString
Franklin Schmidt <fschmidt@gmail.com>
parents: 1100
diff changeset
441 return new Iterator<Map.Entry>() {
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
442
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
443 public boolean hasNext() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
444 return iter.hasNext();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
445 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
446
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
447 public Map.Entry<Object,Object> next() {
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
448 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
449 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
450 }
432
d9df6d6cb927 finish fixing LuanTable to use metatables
Franklin Schmidt <fschmidt@gmail.com>
parents: 431
diff changeset
451
44
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
452 public void remove() {
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
453 throw new UnsupportedOperationException();
57054fa43189 implement table lib
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 35
diff changeset
454 }
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 }
221
ec016471c6eb make LuanTable an interface
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 202
diff changeset
457
431
3ffe8ba5b297 TableLuan cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 430
diff changeset
458 public LuanTable rawSubList(int from,int to) {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
459 check();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
460 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
461 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
462 return tbl;
27
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
463 }
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 19
diff changeset
464
408
1b38de2b1845 merge LuanTableImpl into LuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 406
diff changeset
465 public LuanTable getMetatable() {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
466 check();
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
467 return metatable;
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
468 }
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
469
1330
f41919741100 fix security
Franklin Schmidt <fschmidt@gmail.com>
parents: 1284
diff changeset
470 public void setMetatable(LuanTable metatable) throws LuanException {
f41919741100 fix security
Franklin Schmidt <fschmidt@gmail.com>
parents: 1284
diff changeset
471 if( security != null )
f41919741100 fix security
Franklin Schmidt <fschmidt@gmail.com>
parents: 1284
diff changeset
472 Luan.checkSecurity(luan,"table",security,"set_metatable",metatable);
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
473 check();
35
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
474 this.metatable = metatable;
e51906de0f11 implement metatables
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 27
diff changeset
475 }
300
9fb523472035 add java() to control java access
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents: 284
diff changeset
476
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
477 public Object getHandler(String op) throws LuanException {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
478 check();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
479 return metatable==null ? null : metatable.get(op);
419
8fbb961aabd5 improve repr() to check metamethod recursively
Franklin Schmidt <fschmidt@gmail.com>
parents: 414
diff changeset
480 }
8fbb961aabd5 improve repr() to check metamethod recursively
Franklin Schmidt <fschmidt@gmail.com>
parents: 414
diff changeset
481
431
3ffe8ba5b297 TableLuan cleanup
Franklin Schmidt <fschmidt@gmail.com>
parents: 430
diff changeset
482 private Map<Object,Object> newMap() {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
483 return new LinkedHashMap<Object,Object>();
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
484 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
485
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
486 public boolean isSet() throws LuanException {
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
487 for( Map.Entry<Object,Object> entry : iterable() ) {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
488 if( !entry.getValue().equals(Boolean.TRUE) )
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
489 return false;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
490 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
491 return true;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
492 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
493
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
494 public Set<Object> asSet() throws LuanException {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
495 Set<Object> set = new HashSet<Object>();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
496 for( Map.Entry<Object,Object> entry : iterable() ) {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
497 set.add(entry.getKey());
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
498 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
499 return set;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
500 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
501
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
502 public Map<Object,Object> asMap() throws LuanException {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
503 Map<Object,Object> map = newMap();
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
504 for( Map.Entry<Object,Object> entry : iterable() ) {
406
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
505 map.put(entry.getKey(),entry.getValue());
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
506 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
507 return map;
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
508 }
9321a33b9b1c remove AbstractLuanTable
Franklin Schmidt <fschmidt@gmail.com>
parents: 397
diff changeset
509
497
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
510 public void rawClear() {
785
d69d3c51c44e more work on incremental cloning
Franklin Schmidt <fschmidt@gmail.com>
parents: 784
diff changeset
511 check();
497
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
512 map = null;
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
513 list = null;
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
514 }
55f9f74f1e55 Http.request is now pure luan
Franklin Schmidt <fschmidt@gmail.com>
parents: 434
diff changeset
515
1095
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
516 public int hashValue() {
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
517 int n = 99;
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
518 if( map != null )
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
519 n ^= map.hashCode();
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
520 if( list != null )
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
521 n ^= list.hashCode();
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
522 return n;
2443152dc2f1 add Luan.hash_code() and Table.hash_value()
Franklin Schmidt <fschmidt@gmail.com>
parents: 796
diff changeset
523 }
1100
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
524
1420
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
525 public boolean isEmpty() {
1100
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
526 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
527 }
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 public int rawSize() {
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
530 int n = 0;
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
531 if( map != null )
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
532 n += map.size();
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
533 if( list != null )
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
534 n += list.size();
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
535 return n;
ad6b3b9fef40 add Table.is_empty() and Table.size()
Franklin Schmidt <fschmidt@gmail.com>
parents: 1095
diff changeset
536 }
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
537
1420
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
538 public Object remove(Object key) {
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
539 Object old = rawGet(key);
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
540 rawPut2(key,null);
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
541 return old;
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
542 }
225808b90cee options handling
Franklin Schmidt <fschmidt@gmail.com>
parents: 1388
diff changeset
543
1267
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
diff changeset
544 protected void finalize() throws Throwable {
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
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545 Object h = getHandler("__gc");
9fa8b8389578 add LuanTable.luan;
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546 if( h != null ) {
9fa8b8389578 add LuanTable.luan;
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547 LuanFunction fn = Luan.checkFunction(h);
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e0cf0d108a77 major cleanup
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548 fn.call(this);
1267
9fa8b8389578 add LuanTable.luan;
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parents: 1189
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549 }
9fa8b8389578 add LuanTable.luan;
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parents: 1189
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550 super.finalize();
9fa8b8389578 add LuanTable.luan;
Franklin Schmidt <fschmidt@gmail.com>
parents: 1189
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551 }
9fa8b8389578 add LuanTable.luan;
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parents: 1189
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552
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553 public LuanFunction fn(String fnName) throws LuanException {
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554 return (LuanFunction)get(fnName);
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503bde9a7c80 add luan.require() and table.call()
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555 }
1330
f41919741100 fix security
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parents: 1284
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556
f41919741100 fix security
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parents: 1284
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557 public static void setSecurity(LuanTable tbl,String security) {
f41919741100 fix security
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558 tbl.security = security;
f41919741100 fix security
Franklin Schmidt <fschmidt@gmail.com>
parents: 1284
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559 }
1464
465b4a0dae4a empty list vs map
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parents: 1447
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560
465b4a0dae4a empty list vs map
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parents: 1447
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561 public static void debug(LuanTable table) {
465b4a0dae4a empty list vs map
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562 System.out.println("isMap "+table.isMap());
465b4a0dae4a empty list vs map
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parents: 1447
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563 }
1
2df768b926aa start Luan
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
parents:
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564 }