/*
* 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.quickfixes;
import com.intellij.codeInspection.ProblemDescriptor;
import com.intellij.openapi.project.Project;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiWhiteSpace;
import com.intellij.psi.util.PsiTreeUtil;
import org.intellij.erlang.psi.*;
import org.intellij.erlang.psi.impl.ErlangElementFactory;
import org.jetbrains.annotations.NotNull;
import java.util.List;
public class ErlangRemoveDuplicateFunctionExportFix extends ErlangQuickFixBase {
@NotNull
@Override
public String getFamilyName() {
return "Remove duplicate export";
}
@Override
public void applyFix(@NotNull Project project, @NotNull ProblemDescriptor descriptor) {
ErlangExportFunction function = PsiTreeUtil.getParentOfType(descriptor.getPsiElement(), ErlangExportFunction.class, false);
if (function == null) return;
PsiFile file = function.getContainingFile();
if (!(file instanceof ErlangFile)) return;
List<ErlangAttribute> attributes = ((ErlangFile) file).getAttributes();
for (ErlangAttribute attribute : attributes) {
ErlangExport export = attribute.getExport();
if (export == null) continue;
ErlangExportFunctions exportFunctions = export.getExportFunctions();
if (exportFunctions == null) continue;
if (exportFunctions.getChildren().length == 0) continue;
StringBuilder newExport = new StringBuilder();
for (ErlangExportFunction ef : exportFunctions.getExportFunctionList()) {
if (ef == function || !ef.getText().equals(function.getText())) {
if (newExport.length() > 0)
newExport.append(", ");
newExport.append(ef.getText());
}
}
if (newExport.length() == 0) {
if (attribute.getNextSibling() instanceof PsiWhiteSpace)
attribute.getNextSibling().delete();
attribute.delete();
}
else {
attribute.replace(ErlangElementFactory.createExportFromText(project, newExport.toString()));
}
}
}
}