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A packaging of the IntelliJ Community Edition groovy-psi library.
This is release number 1 of trunk branch 142.
The newest version!
/*
* 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.dsl.toplevel;
import com.intellij.openapi.util.Condition;
import com.intellij.openapi.util.Key;
import com.intellij.openapi.util.Pair;
import com.intellij.patterns.ElementPattern;
import com.intellij.psi.*;
import com.intellij.util.ProcessingContext;
import com.intellij.util.containers.ContainerUtil;
import org.jetbrains.plugins.groovy.dsl.GroovyClassDescriptor;
import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.ClassUtil;
import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.TypesUtil;
import java.util.Map;
/**
* @author peter
*/
public class ClassContextFilter implements ContextFilter {
private final Condition> myPattern;
public ClassContextFilter(Condition> pattern) {
myPattern = pattern;
}
@Override
public boolean isApplicable(GroovyClassDescriptor descriptor, ProcessingContext ctx) {
final PsiFile place = descriptor.getPlaceFile();
return myPattern.value(Pair.create(ClassUtil.findPsiType(descriptor, ctx), place));
}
public static ClassContextFilter fromClassPattern(final ElementPattern pattern) {
return new ClassContextFilter(new Condition>() {
@Override
public boolean value(Pair pair) {
final PsiType type = pair.first;
return type instanceof PsiClassType ? pattern.accepts(((PsiClassType)type).resolve()) : false;
}
});
}
public static ClassContextFilter subtypeOf(final String typeText) {
return new ClassContextFilter(new Condition>() {
@Override
public boolean value(Pair p) {
return isSubtype(p.first, p.second, typeText);
}
});
}
public static boolean isSubtype(PsiType checked, PsiFile placeFile, String typeText) {
final boolean isClassType = checked instanceof PsiClassType;
if (isClassType) {
final PsiClass psiClass = ((PsiClassType)checked).resolve();
if (psiClass != null) {
final int i = typeText.indexOf("<");
String rawName = i > 0 ? typeText.substring(0, i) : typeText;
if (!ClassUtil.getSuperClassesWithCache(psiClass).containsKey(rawName)) {
return false;
}
}
}
PsiType myType = getCachedType(typeText, placeFile);
if (checked == PsiType.NULL) return myType == PsiType.NULL;
return TypesUtil.isAssignableByMethodCallConversion(myType, checked, placeFile);
}
private static final Key