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1
28
29 package com.caucho.es;
30
31 import com.caucho.util.IntMap;
32
33 import java.util.Iterator  ;
34
35
38 class ESArrayWrap extends ESJavaWrapper {
39 static ESId LENGTH = ESId.intern("length");
40
41 protected ESArrayWrap() {}
42
43 protected int length() { return 0; }
44 public ESBase getProperty(int i) throws Throwable { return esEmpty; }
45 public ESBase delete(int i) throws ESException { return ESBoolean.FALSE; }
46 public void setProperty(int i, ESBase value) throws Throwable { }
47
48 public ESBase getProperty(ESString name) throws Throwable
49 {
50 if (name.equals(LENGTH))
51 return ESNumber.create(length());
52
53 try { double value = name.toNum();
55 int iValue = (int) value;
56
57 if (iValue == value)
58 return getProperty(iValue);
59
60 return super.getProperty(name);
61 } catch (Exception e) {
62 return super.getProperty(name);
63 }
64 }
65
66 public void setProperty(ESString name, ESBase value) throws Throwable
67 {
68 if (name.equals(LENGTH))
69 return;
70
71 try { double dIndex = name.toNum();
73 int index = (int) dIndex;
74
75 if (index == dIndex)
76 setProperty(index, value);
77 else
78 super.setProperty(name, value);
79 } catch (Exception e) {
80 super.setProperty(name, value);
81 }
82 }
83
84 public ESBase delete(ESString name) throws Throwable
85 {
86 if (name.equals(LENGTH))
87 return ESBoolean.FALSE;
88
89 try {
90 double dIndex = name.toNum();
91 int index = (int) dIndex;
92
93 if (index == dIndex)
94 return delete(index);
95 else
96 return super.delete(name);
97 } catch (Exception e) {
98 return super.delete(name);
99 }
100 }
101
102 class ArrayIterator implements Iterator {
103 int length;
104 int i;
105
106 public boolean hasNext() { return i < length; }
107 public Object next()
108 {
109 try {
110 return i < length ? getProperty(i++) : ESBase.esNull;
111 } catch (Throwable e) {
112 return ESBase.esNull;
113 }
114 }
115
116 public void remove() { }
117
118 ArrayIterator()
119 {
120 length = length();
121 }
122 }
123
124 public Iterator keys() throws ESException
125 {
126 return new ArrayIterator();
127 }
128
129 public ESString toStr() throws Throwable
130 {
131 return (ESString) NativeArray.toString(this);
132 }
133
134 public ESString toSource(IntMap map, boolean isLoopPass) throws Throwable
135 {
136 return ESArray.arrayToSource(this, map, isLoopPass);
137 }
138
139 protected ESArrayWrap(ESBase proto, Object value)
140 {
141 super(proto, value);
142 }
143 }
144 |
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