/*
* Copyright 2012-2014 Sergey Ignatov
*
* 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.intellij.erlang.psi.impl;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiReferenceBase;
import com.intellij.util.ArrayUtil;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.containers.ContainerUtil;
import org.intellij.erlang.psi.ErlangFile;
import org.intellij.erlang.psi.ErlangMacrosDefinition;
import org.intellij.erlang.psi.ErlangMacrosName;
import org.jetbrains.annotations.NotNull;
public class ErlangMacrosReferenceImpl<T extends ErlangMacrosName> extends PsiReferenceBase<T> {
protected final String myReferenceName;
public ErlangMacrosReferenceImpl(T element) {
super(element, ErlangPsiImplUtil.getTextRangeForReference(element));
myReferenceName = ErlangPsiImplUtil.getNameIdentifier(element).getText();
}
@Override
public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException {
ErlangPsiImplUtil.setName(myElement, newElementName);
return myElement;
}
@Override
public PsiElement resolve() {
PsiFile containingFile = myElement.getContainingFile();
if (containingFile instanceof ErlangFile) {
ErlangMacrosDefinition macros = ((ErlangFile) containingFile).getMacros(myReferenceName);
if (macros != null) {
return macros;
}
return ContainerUtil.getFirstItem(ErlangPsiImplUtil.getErlangMacrosFromIncludes((ErlangFile) containingFile, false, myReferenceName));
}
return null;
}
@NotNull
@Override
public Object[] getVariants() {
return ArrayUtil.toObjectArray(ErlangPsiImplUtil.getMacrosLookupElements(myElement.getContainingFile()));
}
}