Mercurial Hosting > luan
annotate src/luan/Luan.java @ 1259:e8020216dee7
add Luan.to_luan and fix multipart/form-data
author | Franklin Schmidt <fschmidt@gmail.com> |
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date | Sun, 23 Sep 2018 17:58:40 -0600 |
parents | ce3279ef1bd9 |
children | 4b5b84853f6f |
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1
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start Luan
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1 package luan; |
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start Luan
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2 |
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e8020216dee7
add Luan.to_luan and fix multipart/form-data
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3 import java.lang.reflect.Array; |
318
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add html processing
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4 import java.util.List; |
1113 | 5 import java.util.ArrayList; |
6 import java.util.Map; | |
7 import java.util.LinkedHashMap; | |
8 import java.util.Set; | |
9 import java.util.Arrays; | |
10 import java.util.Iterator; | |
168
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rename *Lib.java to *Luan.java
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11 import luan.modules.BasicLuan; |
1164 | 12 import luan.modules.Utils; |
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remove Luan.load() allow_expression param and add Luan.eval()
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13 import luan.impl.LuanCompiler; |
134
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remove CmdLine.java and move code to Luan.java
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14 |
1
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15 |
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minor toString() improvement
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16 public final class Luan { |
1
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17 |
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luan errors are now tables
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18 public static void main(String[] args) throws LuanException { |
1242 | 19 doFile( "classpath:luan/cmd_line.luan", args ); |
20 } | |
21 | |
22 public static void doFile(String uri,String... args) throws LuanException { | |
672
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better java permission handling
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23 LuanState luan = new LuanState(); |
1242 | 24 LuanFunction fn = (LuanFunction)BasicLuan.load_file(luan,uri); |
25 fn.call(luan,args); | |
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remove CmdLine.java and move code to Luan.java
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26 } |
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remove CmdLine.java and move code to Luan.java
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27 |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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28 public static Object first(Object obj) { |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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29 if( !(obj instanceof Object[]) ) |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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30 return obj; |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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31 Object[] a = (Object[])obj; |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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32 return a.length==0 ? null : a[0]; |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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33 } |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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34 |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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35 public static Object[] array(Object obj) { |
2428ecfed375
change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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36 return obj instanceof Object[] ? (Object[])obj : new Object[]{obj}; |
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change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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37 } |
2428ecfed375
change LuanFunction.call() from returning Object[] to returning Object, to reduce garbage collection
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38 |
1
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39 public static String type(Object obj) { |
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start Luan
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40 if( obj == null ) |
105
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minor - change type names to lower case like Lua
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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41 return "nil"; |
1
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42 if( obj instanceof String ) |
105
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43 return "string"; |
1
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start Luan
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44 if( obj instanceof Boolean ) |
105
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minor - change type names to lower case like Lua
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45 return "boolean"; |
46
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remove LuaNumber
fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
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46 if( obj instanceof Number ) |
105
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47 return "number"; |
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fix type()
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48 if( obj instanceof LuanTable ) |
105
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minor - change type names to lower case like Lua
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49 return "table"; |
85
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fix type()
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50 if( obj instanceof LuanFunction ) |
105
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51 return "function"; |
113
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add binary type
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52 if( obj instanceof byte[] ) |
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add binary type
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53 return "binary"; |
513
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rename type "userdata" to "java"
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54 return "java"; |
1
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start Luan
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55 } |
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start Luan
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56 |
46
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remove LuaNumber
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57 public static String toString(Number n) { |
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remove LuaNumber
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58 if( n instanceof Integer ) |
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remove LuaNumber
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59 return n.toString(); |
255
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improve toString(Number)
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60 int i = n.intValue(); |
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improve toString(Number)
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61 if( i == n.doubleValue() ) |
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62 return Integer.toString(i); |
46
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63 String s = n.toString(); |
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remove LuaNumber
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64 int iE = s.indexOf('E'); |
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remove LuaNumber
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65 String ending = null; |
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66 if( iE != -1 ) { |
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67 ending = s.substring(iE); |
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68 s = s.substring(0,iE); |
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69 } |
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remove LuaNumber
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70 if( s.endsWith(".0") ) |
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71 s = s.substring(0,s.length()-2); |
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72 if( ending != null ) |
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73 s += ending; |
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74 return s; |
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75 } |
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76 |
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77 public static Integer asInteger(Object obj) { |
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78 if( obj instanceof Integer ) |
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79 return (Integer)obj; |
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80 if( !(obj instanceof Number) ) |
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81 return null; |
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82 Number n = (Number)obj; |
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83 int i = n.intValue(); |
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84 return i==n.doubleValue() ? Integer.valueOf(i) : null; |
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85 } |
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86 |
88
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87 public static String stringEncode(String s) { |
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88 s = s.replace("\\","\\\\"); |
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89 s = s.replace("\u0007","\\a"); |
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90 s = s.replace("\b","\\b"); |
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91 s = s.replace("\f","\\f"); |
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92 s = s.replace("\n","\\n"); |
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93 s = s.replace("\r","\\r"); |
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94 s = s.replace("\t","\\t"); |
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95 s = s.replace("\u000b","\\v"); |
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96 s = s.replace("\"","\\\""); |
420 | 97 s = s.replace("\'","\\'"); |
88
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98 return s; |
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99 } |
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100 |
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101 |
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102 // from LuanState |
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103 |
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104 public static Boolean checkBoolean(Object obj) throws LuanException { |
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105 if( obj instanceof Boolean ) |
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106 return (Boolean)obj; |
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107 throw new LuanException("attempt to use a " + Luan.type(obj) + " value as a boolean" ); |
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108 } |
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109 |
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110 public static String checkString(Object obj) throws LuanException { |
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111 if( obj instanceof String ) |
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112 return (String)obj; |
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113 throw new LuanException("attempt to use a " + Luan.type(obj) + " value as a string" ); |
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114 } |
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115 |
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116 public static LuanFunction checkFunction(Object obj) throws LuanException { |
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117 if( obj instanceof LuanFunction ) |
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118 return (LuanFunction)obj; |
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119 throw new LuanException("attempt to call a " + Luan.type(obj) + " value" ); |
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120 } |
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121 |
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122 public static LuanFunction load(String text,String sourceName,LuanTable env) |
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123 throws LuanException |
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124 { |
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125 return LuanCompiler.compile(text,sourceName,env); |
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126 } |
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127 |
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128 public static LuanFunction load(String text,String sourceName) |
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129 throws LuanException |
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130 { |
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131 return load(text,sourceName,null); |
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132 } |
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133 |
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134 /* |
1113 | 135 public static Object toLuan(Object obj) throws LuanException { |
136 if( !type(obj).equals("java") ) | |
137 return obj; | |
138 LuanTable tbl = new LuanTable(); | |
139 if( obj instanceof Map ) { | |
140 Map map = (Map)obj; | |
141 for( Object stupid : map.entrySet() ) { | |
142 Map.Entry entry = (Map.Entry)stupid; | |
143 Object key = entry.getKey(); | |
144 Object value = entry.getValue(); | |
145 if( key != null && value != null ) | |
146 tbl.rawPut(toLuan(key),toLuan(value)); | |
147 } | |
148 return tbl; | |
149 } | |
150 if( obj instanceof Set ) { | |
151 Set set = (Set)obj; | |
152 for( Object el : set ) { | |
153 if( el != null ) | |
154 tbl.rawPut(toLuan(el),Boolean.TRUE); | |
155 } | |
156 return tbl; | |
157 } | |
158 List list; | |
159 if( obj instanceof List ) { | |
160 list = (List)obj; | |
161 } else { | |
162 Class cls = obj.getClass(); | |
163 if( cls.isArray() && !cls.getComponentType().isPrimitive() ) { | |
164 Object[] a = (Object[])obj; | |
165 list = Arrays.asList(a); | |
166 } else | |
167 throw new LuanException("can't convert type "+obj.getClass().getName()+" to luan"); | |
168 } | |
169 int n = list.size(); | |
170 for( int i=0; i<n; i++ ) { | |
171 Object val = list.get(i); | |
172 if( val != null ) | |
173 tbl.rawPut(i+1,toLuan(val)); | |
174 } | |
175 return tbl; | |
176 } | |
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177 */ |
1113 | 178 |
179 public static Object toJava(Object obj) throws LuanException { | |
180 if( !(obj instanceof LuanTable) ) | |
181 return obj; | |
182 LuanTable tbl = (LuanTable)obj; | |
183 if( tbl.isList() ) { | |
184 List list = new ArrayList(); | |
185 for( Object el : tbl.asList() ) { | |
186 list.add( toJava(el) ); | |
187 } | |
188 return list; | |
189 } else { | |
190 Map map = new LinkedHashMap(); | |
191 Iterator<Map.Entry> iter = tbl.rawIterator(); | |
192 while( iter.hasNext() ) { | |
193 Map.Entry entry = iter.next(); | |
194 map.put( toJava(entry.getKey()), toJava(entry.getValue()) ); | |
195 } | |
196 return map; | |
197 } | |
198 } | |
199 | |
1164 | 200 public static LuanTable table(LuanTable v) throws LuanException { |
201 Utils.checkNotNull(v); | |
202 return v; | |
203 } | |
204 | |
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205 public static LuanTable toTable(Object obj) { |
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206 if( obj == null ) |
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207 return null; |
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208 if( obj instanceof LuanTable ) |
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209 return (LuanTable)obj; |
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210 if( obj instanceof List ) { |
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211 return new LuanTable((List)obj); |
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212 } |
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213 if( obj instanceof Map ) { |
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214 return new LuanTable((Map)obj); |
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215 } |
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216 if( obj instanceof Set ) { |
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217 return new LuanTable((Set)obj); |
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218 } |
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219 Class cls = obj.getClass(); |
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220 if( cls.isArray() ) { |
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221 if( cls.getComponentType().isPrimitive() ) { |
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222 int len = Array.getLength(obj); |
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223 List list = new ArrayList(); |
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224 for( int i=0; i<len; i++ ) { |
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225 list.add(Array.get(obj,i)); |
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226 } |
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227 return new LuanTable(list); |
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228 } else { |
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229 Object[] a = (Object[])obj; |
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230 return new LuanTable(Arrays.asList(a)); |
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231 } |
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232 } |
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233 return null; |
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234 } |
1113 | 235 |
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236 private Luan() {} // never |
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237 } |