/*
* 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 com.intellij.find.findUsages;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.util.NullableComputable;
import com.intellij.openapi.util.TextRange;
import com.intellij.psi.PsiCompiledElement;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiReference;
import com.intellij.psi.PsiReferenceService;
import com.intellij.psi.impl.search.PsiSearchHelperImpl;
import com.intellij.psi.search.GlobalSearchScope;
import com.intellij.usageView.UsageInfo;
import com.intellij.usageView.UsageInfoFactory;
import com.intellij.util.Processor;
import org.jetbrains.annotations.NotNull;
import java.util.Collection;
public class FindUsagesHelper {
public static boolean processUsagesInText(@NotNull final PsiElement element,
@NotNull Collection<String> stringToSearch,
@NotNull GlobalSearchScope searchScope,
@NotNull Processor<UsageInfo> processor) {
final TextRange elementTextRange = ApplicationManager.getApplication().runReadAction(new NullableComputable<TextRange>() {
@Override
public TextRange compute() {
if (!element.isValid() || element instanceof PsiCompiledElement) return null;
return element.getTextRange();
}
});
UsageInfoFactory factory = new UsageInfoFactory() {
@Override
public UsageInfo createUsageInfo(@NotNull PsiElement usage, int startOffset, int endOffset) {
if (elementTextRange != null
&& usage.getContainingFile() == element.getContainingFile()
&& elementTextRange.contains(startOffset)
&& elementTextRange.contains(endOffset)) {
return null;
}
PsiReference someReference = usage.findReferenceAt(startOffset);
if (someReference != null) {
PsiElement refElement = someReference.getElement();
for (PsiReference ref : PsiReferenceService.getService().getReferences(refElement, new PsiReferenceService.Hints(element, null))) {
if (element.getManager().areElementsEquivalent(ref.resolve(), element)) {
TextRange range = ref.getRangeInElement().shiftRight(refElement.getTextRange().getStartOffset() - usage.getTextRange().getStartOffset());
return new UsageInfo(usage, range.getStartOffset(), range.getEndOffset(), true);
}
}
}
return new UsageInfo(usage, startOffset, endOffset, true);
}
};
for (String s : stringToSearch) {
if (!PsiSearchHelperImpl.processTextOccurrences(element, s, searchScope, processor, factory)) return false;
}
return true;
}
}