blob: 3d4bd668325df86af38e726f7b378c86da29c2d1 [file] [log] [blame]
/*
* 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.configSlurper;
import com.intellij.psi.CommonClassNames;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiType;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.plugins.groovy.extensions.GroovyMapContentProvider;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrMethodCall;
import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression;
import org.jetbrains.plugins.groovy.lang.psi.impl.GrMapType;
import org.jetbrains.plugins.groovy.lang.psi.impl.GroovyPsiManager;
import org.jetbrains.plugins.groovy.lang.psi.typeEnhancers.GrReferenceTypeEnhancer;
/**
* @author Sergey Evdokimov
*/
public class GroovyMapValueTypeEnhancer extends GrReferenceTypeEnhancer {
@Override
public PsiType getReferenceType(GrReferenceExpression ref, @Nullable PsiElement resolved) {
if (resolved != null) return null;
GrExpression qualifierExpression = ref.getQualifierExpression();
if (qualifierExpression == null) return null;
PsiType mapType = qualifierExpression.getType();
if (!GroovyPsiManager.isInheritorCached(mapType, CommonClassNames.JAVA_UTIL_MAP)) {
return null;
}
PsiElement qResolved;
if (qualifierExpression instanceof GrReferenceExpression) {
qResolved = ((GrReferenceExpression)qualifierExpression).resolve();
}
else if (qualifierExpression instanceof GrMethodCall) {
qResolved = ((GrMethodCall)qualifierExpression).resolveMethod();
}
else {
return null;
}
String key = ref.getReferenceName();
if (key == null) return null;
for (GroovyMapContentProvider provider : GroovyMapContentProvider.EP_NAME.getExtensions()) {
PsiType type = provider.getValueType(qualifierExpression, qResolved, key);
if (type != null) {
return type;
}
}
if (mapType instanceof GrMapType) {
return ((GrMapType)mapType).getTypeByStringKey(key);
}
return null;
}
}