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/*
* 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.psi.search.searches;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.extensions.ExtensionPointName;
import com.intellij.openapi.util.Computable;
import com.intellij.psi.PsiElement;
import com.intellij.psi.search.PsiSearchHelper;
import com.intellij.psi.search.SearchScope;
import com.intellij.util.Processor;
import com.intellij.util.Query;
import com.intellij.util.QueryExecutor;
import org.jetbrains.annotations.NotNull;
/**
* The search is used in two IDE navigation functions namely Go To Implementation (Ctrl+Alt+B) and
* Quick View Definition (Ctrl+Shift+I). Default searchers produce implementing/overriding methods if the method
* have been searched and class inheritors for the class.
*
*/
public class DefinitionsScopedSearch extends ExtensibleQueryFactory<PsiElement, DefinitionsScopedSearch.SearchParameters> {
public static ExtensionPointName<QueryExecutor> EP_NAME = ExtensionPointName.create("com.intellij.definitionsScopedSearch");
public static DefinitionsScopedSearch INSTANCE = new DefinitionsScopedSearch();
static {
final QueryExecutor[] OLD_EXECUTORS = DefinitionsSearch.EP_NAME.getExtensions();
for (final QueryExecutor executor : OLD_EXECUTORS) {
INSTANCE.registerExecutor(new QueryExecutor<PsiElement, SearchParameters>() {
@Override
public boolean execute(@NotNull SearchParameters queryParameters, @NotNull Processor<PsiElement> consumer) {
return executor.execute(queryParameters.getElement(), consumer);
}
});
}
}
public static Query<PsiElement> search(PsiElement definitionsOf) {
return INSTANCE.createUniqueResultsQuery(new SearchParameters(definitionsOf));
}
public static Query<PsiElement> search(PsiElement definitionsOf, SearchScope searchScope) {
return INSTANCE.createUniqueResultsQuery(new SearchParameters(definitionsOf, searchScope, true));
}
public static class SearchParameters {
private final PsiElement myElement;
private final SearchScope myScope;
private final boolean myCheckDeep;
public SearchParameters(@NotNull final PsiElement element) {
this(element, ApplicationManager.getApplication().runReadAction(new Computable<SearchScope>() {
@Override
public SearchScope compute() {
return element.getUseScope();
}
}), true);
}
public SearchParameters(@NotNull PsiElement element, @NotNull SearchScope scope, final boolean checkDeep) {
myElement = element;
myScope = scope;
myCheckDeep = checkDeep;
}
@NotNull
public PsiElement getElement() {
return myElement;
}
public boolean isCheckDeep() {
return myCheckDeep;
}
@NotNull
public SearchScope getScope() {
return ApplicationManager.getApplication().runReadAction(new Computable<SearchScope>() {
@Override
public SearchScope compute() {
return myScope.intersectWith(PsiSearchHelper.SERVICE.getInstance(myElement.getProject()).getUseScope(myElement));
}
});
}
}
}
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