/*
* 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.rename;
import com.intellij.openapi.util.io.FileUtil;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.patterns.ElementPattern;
import com.intellij.patterns.ElementPatternCondition;
import com.intellij.psi.PsiElement;
import com.intellij.refactoring.rename.RenameInputValidator;
import com.intellij.util.ProcessingContext;
import org.intellij.erlang.psi.*;
import org.intellij.erlang.psi.impl.ErlangElementFactory;
import org.intellij.erlang.psi.impl.ErlangPsiImplUtil;
import org.jetbrains.annotations.Nullable;
public class ErlangRenameInputValidator implements RenameInputValidator {
@Override
public ElementPattern<? extends PsiElement> getPattern() {
return new ElementPattern<PsiElement>() {
@Override
public boolean accepts(@Nullable Object o) {
return false;
}
@Override
public boolean accepts(@Nullable Object o, ProcessingContext context) {
return o instanceof ErlangQVar || o instanceof ErlangQAtom ||
o instanceof ErlangFunction || o instanceof ErlangRecordDefinition || o instanceof ErlangModule;
}
@Nullable
@Override
public ElementPatternCondition<PsiElement> getCondition() {
return null;
}
};
}
@Override
public boolean isInputValid(String s, PsiElement o, ProcessingContext context) {
try {
if (o instanceof ErlangQVar) {
ErlangElementFactory.createQVarFromText(o.getProject(), s);
return true;
}
else if (o instanceof ErlangQAtom || o instanceof ErlangFunction || o instanceof ErlangRecordDefinition || o instanceof ErlangModule) {
String atomName = ErlangPsiImplUtil.toAtomName(s);
if (atomName != null) {
ErlangElementFactory.createAtomFromText(o.getProject(), atomName);
if (o instanceof ErlangModule) {
String unquoted = StringUtil.unquoteString(atomName, '\'');
return unquoted.equals(FileUtil.sanitizeFileName(unquoted));
}
return true;
}
}
} catch (Exception ignored) {
}
return false;
}
}