1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
/*
* Copyright 2000-2014 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.plugins.groovy.dgm;
import com.intellij.lang.properties.IProperty;
import com.intellij.lang.properties.parsing.PropertiesTokenTypes;
import com.intellij.patterns.PlatformPatterns;
import com.intellij.psi.*;
import com.intellij.psi.impl.source.resolve.reference.impl.providers.JavaClassReferenceProvider;
import com.intellij.psi.impl.source.resolve.reference.impl.providers.JavaClassReferenceSet;
import com.intellij.util.ProcessingContext;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
/**
* @author Max Medvedev
*/
public class DGMReferenceContributor extends PsiReferenceContributor {
private final JavaClassReferenceProvider myProvider = new JavaClassReferenceProvider();
@Override
public void registerReferenceProviders(@NotNull PsiReferenceRegistrar registrar) {
registrar.registerReferenceProvider(PlatformPatterns.psiElement(PropertiesTokenTypes.VALUE_CHARACTERS), new PsiReferenceProvider() {
@NotNull
@Override
public PsiReference[] getReferencesByElement(@NotNull PsiElement element, @NotNull ProcessingContext context) {
if (!DGMUtil.isInDGMFile(element)) return PsiReference.EMPTY_ARRAY;
IProperty parent = (IProperty)element.getParent();
if (!"extensionClasses".equals(parent.getName())) {
return PsiReference.EMPTY_ARRAY;
}
ArrayList<PsiReference> result = new ArrayList<PsiReference>();
String text = element.getText();
int i = 0;
while ((i = skipWhiteSpace(i, text)) < text.length()) {
int end = findWhiteSpaceOrComma(i, text);
if (end <= text.length()) {
JavaClassReferenceSet set = new JavaClassReferenceSet(text.substring(i, end), element, i, true, myProvider);
ContainerUtil.addAll(result, set.getAllReferences());
}
i = end;
i = skipWhiteSpace(i, text);
if (i == text.length()) break;
if (text.charAt(i) == ',') i++;
i = skipWhiteSpace(i, text);
}
return result.toArray(new PsiReference[result.size()]);
}
});
}
private static int skipWhiteSpace(int i, String text) {
while (i < text.length() && Character.isWhitespace(text.charAt(i))) {
i++;
}
return i;
}
private static int findWhiteSpaceOrComma(int i, String text) {
while (i < text.length() && !Character.isWhitespace(text.charAt(i)) && text.charAt(i) != ',') {
i++;
}
return i;
}
}
|
