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/*******************************************************************************
* Copyright (c) 2006, 2008 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX - Initial API and implementation
* Markus Schorn (Wind River Systems)
* Sergey Prigogin (Google)
*******************************************************************************/
package org.eclipse.cdt.internal.ui.search;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.text.ITextSelection;
import org.eclipse.cdt.core.dom.ast.DOMException;
import org.eclipse.cdt.core.dom.ast.EScopeKind;
import org.eclipse.cdt.core.dom.ast.IASTName;
import org.eclipse.cdt.core.dom.ast.IASTTranslationUnit;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IProblemBinding;
import org.eclipse.cdt.core.dom.ast.IScope;
import org.eclipse.cdt.core.index.IIndex;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ILanguage;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.internal.core.model.ASTCache.ASTRunnable;
import org.eclipse.cdt.internal.ui.editor.ASTProvider;
/**
* Query for searching the index based on a text selection.
*/
public class PDOMSearchTextSelectionQuery extends PDOMSearchQuery {
private ITranslationUnit tu;
private ITextSelection selection;
private String searchText;
public PDOMSearchTextSelectionQuery(ICElement[] scope, ITranslationUnit tu, ITextSelection selection, int flags) {
super(scope, flags | IIndex.SEARCH_ACROSS_LANGUAGE_BOUNDARIES);
this.tu = tu;
this.selection = selection;
this.searchText= selection.getText();
}
@Override
protected IStatus runWithIndex(final IIndex index, IProgressMonitor monitor) {
return ASTProvider.getASTProvider().runOnAST(tu, ASTProvider.WAIT_ACTIVE_ONLY, monitor, new ASTRunnable() {
public IStatus runOnAST(ILanguage language, IASTTranslationUnit ast) throws CoreException {
if (ast != null) {
IASTName searchName= ast.getNodeSelector(null).findEnclosingName(selection.getOffset(), selection.getLength());
if (searchName != null) {
searchText= searchName.toString();
IBinding binding= searchName.resolveBinding();
if (binding instanceof IProblemBinding == false) {
if (binding != null) {
IScope scope= null;
try {
scope = binding.getScope();
} catch (DOMException e) {
}
if (scope != null && scope.getKind() == EScopeKind.eLocal) {
createLocalMatches(ast, binding);
return Status.OK_STATUS;
}
}
binding = index.findBinding(searchName);
if (binding != null) {
createMatches(index, binding);
return Status.OK_STATUS;
}
}
}
}
return Status.OK_STATUS;
}
});
}
@Override
public String getResultLabel(int numMatches) {
return getResultLabel(searchText, numMatches);
}
}
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