Mercurial Hosting > luan

comparison core/src/luan/LuanTableImpl.java @ 222:b76fcb72d97d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
add AbstractLuanTable and improve HttpLuan git-svn-id: https://luan-java.googlecode.com/svn/trunk@223 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Mon, 21 Jul 2014 02:23:05 +0000
parents ec016471c6eb
children 05eb2837ddbf
comparison
equal deleted inserted replaced
221:ec016471c6eb 222:b76fcb72d97d
1 package luan; 1 package luan;
2 2
3 import java.util.Iterator; 3 import java.util.Iterator;
4 import java.util.ListIterator; 4 import java.util.ListIterator;
5 import java.util.Map; 5 import java.util.Map;
6 import java.util.AbstractMap;
6 import java.util.HashMap; 7 import java.util.HashMap;
7 import java.util.List; 8 import java.util.List;
8 import java.util.ArrayList; 9 import java.util.ArrayList;
9 import java.util.Collections; 10 import java.util.Collections;
10 import java.util.Comparator; 11 import java.util.Comparator;
12 import java.util.HashSet; 13 import java.util.HashSet;
13 import java.util.IdentityHashMap; 14 import java.util.IdentityHashMap;
14 import java.util.regex.Pattern; 15 import java.util.regex.Pattern;
15 16
16 17
17 public final class LuanTableImpl implements LuanTable, DeepCloneable<LuanTableImpl>, LuanRepr { 18 final class LuanTableImpl extends AbstractLuanTable implements LuanTable, DeepCloneable<LuanTableImpl>, LuanRepr {
18 private Map<Object,Object> map = null; 19 private Map<Object,Object> map = null;
19 private List<Object> list = null; 20 private List<Object> list = null;
20 private LuanTable metatable = null; 21 private LuanTable metatable = null;
21 22
22 public LuanTableImpl() {} 23 public LuanTableImpl() {}
121 rtn.add(i); 122 rtn.add(i);
122 } 123 }
123 return rtn; 124 return rtn;
124 } 125 }
125 126
126 @Override public String toString() { 127 @Override protected String type() {
127 return "table: " + Integer.toHexString(hashCode()); 128 return "table";
128 } 129 }
129 130
130 @Override public String repr() { 131 @Override public String repr() {
131 return repr( Collections.newSetFromMap(new IdentityHashMap<LuanTableImpl,Boolean>()) ); 132 return repr( Collections.newSetFromMap(new IdentityHashMap<LuanTableImpl,Boolean>()) );
132 } 133 }
275 return list; 276 return list;
276 } 277 }
277 278
278 @Override public void insert(int pos,Object value) { 279 @Override public void insert(int pos,Object value) {
279 if( value==null ) 280 if( value==null )
280 throw new UnsupportedOperationException(); 281 throw new IllegalArgumentException("can't insert a nil value");
281 list().add(pos-1,value); 282 list().add(pos-1,value);
282 mapToList(); 283 mapToList();
283 } 284 }
284 285
285 @Override public void add(Object value) { 286 @Override public void add(Object value) {
286 if( value==null ) 287 if( value==null )
287 throw new UnsupportedOperationException(); 288 throw new IllegalArgumentException("can't add a nil value");
288 list().add(value); 289 list().add(value);
289 mapToList(); 290 mapToList();
290 } 291 }
291 292
292 @Override public Object remove(int pos) { 293 @Override public Object remove(int pos) {
338 public boolean hasNext() { 339 public boolean hasNext() {
339 return iter.hasNext(); 340 return iter.hasNext();
340 } 341 }
341 public Map.Entry<Object,Object> next() { 342 public Map.Entry<Object,Object> next() {
342 Double key = Double.valueOf(iter.nextIndex()+1); 343 Double key = Double.valueOf(iter.nextIndex()+1);
343 return new MapEntry(key,iter.next()); 344 return new AbstractMap.SimpleEntry<Object,Object>(key,iter.next());
344 } 345 }
345 public void remove() { 346 public void remove() {
346 throw new UnsupportedOperationException(); 347 throw new UnsupportedOperationException();
347 } 348 }
348 }; 349 };
360 361
361 @Override public void setMetatable(LuanTable metatable) { 362 @Override public void setMetatable(LuanTable metatable) {
362 this.metatable = metatable; 363 this.metatable = metatable;
363 } 364 }
364 365
365 private static final class MapEntry implements Map.Entry<Object,Object> {
366 private final Object key;
367 private final Object value;
368
369 MapEntry(Object key,Object value) {
370 this.key = key;
371 this.value = value;
372 }
373
374 @Override public Object getKey() {
375 return key;
376 }
377
378 @Override public Object getValue() {
379 return value;
380 }
381
382 @Override public Object setValue(Object value) {
383 throw new UnsupportedOperationException();
384 }
385 }
386
387 public boolean isEmpty() { 366 public boolean isEmpty() {
388 return (list==null || list.isEmpty()) && (map==null || map.isEmpty()); 367 return (list==null || list.isEmpty()) && (map==null || map.isEmpty());
389 } 368 }
390 } 369 }