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1
19
20 package org.netbeans.modules.javacore.jmiimpl.javamodel;
21
22 import org.netbeans.jmi.javamodel.*;
23 import org.netbeans.lib.java.parser.ASTree;
24 import org.netbeans.lib.java.parser.ParserTokens;
25 import org.netbeans.lib.java.parser.Token;
26 import org.netbeans.modules.javacore.parser.ASTProvider;
27 import java.util.Arrays  ;
28
29
33 class ElementNavigator {
34 private int idIndexes[];
35
36 ElementNavigator(Resource r,NamedElement element) {
37 ResourceImpl impl=(ResourceImpl)r;
38 ASTProvider parser=impl.getParser();
39 ASTree tree;
40
41 if (element instanceof Parameter)
42 tree = ((MetadataElement)element.refImmediateComposite()).getASTree();
43 else
44 tree = impl.getASTree();
45 if (parser!=null) {
46 int lastToken=tree.getLastToken();
47 int ids[]=new int[lastToken];
48 int i,idIndex=0;
49 String id;
50 String fullPackageName=null;
51
52 if (element instanceof JavaClass) {
53 id=((JavaClass)element).getSimpleName();
54 } else if (element instanceof JavaPackage) {
55 fullPackageName=id=element.getName();
56 int lastDot=id.lastIndexOf('.');
57
58 if (lastDot!=-1)
59 id=id.substring(lastDot+1);
60 } else if (element instanceof Constructor) {
61 id=((JavaClass)((Constructor)element).getDeclaringClass()).getSimpleName();
62 } else
63 id=element.getName();
64
65 for (i=tree.getFirstToken();i<=lastToken;i++) {
66 Token token=parser.getToken(i);
67 int type=token.getType();
68
69 if ((type==ParserTokens.THIS || type==ParserTokens.SUPER) && element instanceof Constructor) {
70 Token nextToken=parser.getToken(i+1);
71 if (nextToken.getType()==ParserTokens.L_PAR) {
72 ids[idIndex++]=i;
73 }
74 } else if (type==ParserTokens.IDENTIFIER && id.equals(token.getValue())) {
75 try {
76 if (element instanceof Field || element instanceof CallableFeature) {
77 Token nextToken=parser.getToken(i+1);
78
79 if (nextToken.getType()==ParserTokens.L_PAR) {
80 if (element instanceof Field)
81 continue;
82 if (element instanceof Constructor) {
83 int offset=1;
84 Token prevToken;
85 while(true) {
86 prevToken=parser.getToken(i-offset);
87 if (prevToken.getType()!=ParserTokens.DOT)
88 break;
89 offset++;
90 prevToken=parser.getToken(i-offset);
91 if (prevToken.getType()!=ParserTokens.IDENTIFIER)
92 break;
93 offset++;
94 }
95 if (prevToken.getType()!=ParserTokens.NEW)
96 continue;
97 }
98 } else {
99 if (element instanceof CallableFeature)
100 continue;
101 }
102 } else if (element instanceof JavaPackage) {
103 int offset=1;
104 StringBuffer packageName=new StringBuffer (id);
105
106 while(true) {
107 Token prevToken=parser.getToken(i-offset);
108 if (prevToken.getType()!=ParserTokens.DOT)
109 break;
110 offset++;
111 packageName.insert(0,'.');
112 prevToken=parser.getToken(i-offset);
113 if (prevToken.getType()!=ParserTokens.IDENTIFIER)
114 break;
115 offset++;
116 packageName.insert(0,prevToken.getValue());
117 }
118 if (!packageName.toString().equals(fullPackageName))
119 continue;
120 }
121 } catch (IndexOutOfBoundsException ex) {
122 continue;
124 }
125 ids[idIndex++]=i;
126 }
127 }
128 idIndexes=new int[idIndex];
129 System.arraycopy(ids, 0, idIndexes, 0, idIndex);
130 } else {
131 throw new IllegalArgumentException ("ASTProvider is null"); }
133 }
134
135
136 boolean containsIdentifierIn(MetadataElement element) {
137 int first,last,index;
138 ASTree tree=element.getASTree();
139
140 if (tree==null)
141 throw new IllegalArgumentException ("Illegal element "+element); first=tree.getFirstToken();
143 last=tree.getLastToken();
144 index=Arrays.binarySearch(idIndexes,first);
145 if (index>=0)
146 return true;
147 index=-index-1;
148 if (index==idIndexes.length)
149 return false;
150 return idIndexes[index]<=last;
151 }
152 }
153 |
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