/*******************************************************************************
* Copyright (c) 2006, 2011 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)
* Andrew Ferguson (Symbian)
* Jens Elmenthaler - http://bugs.eclipse.org/173458 (camel case completion)
*******************************************************************************/
package org.eclipse.cdt.internal.core.pdom.dom;
import java.util.List;
import org.eclipse.cdt.core.dom.ast.IBinding;
import org.eclipse.cdt.core.dom.ast.IEnumerator;
import org.eclipse.cdt.core.dom.ast.cpp.ICPPEnumeration;
import org.eclipse.cdt.core.index.IndexFilter;
import org.eclipse.core.runtime.CoreException;
/**
* Visitor to find bindings in a BTree or below a PDOMNode. Nested bindings are not visited.
* @since 4.0
*/
public final class BindingCollector extends NamedNodeCollector {
private IndexFilter filter;
private boolean fSkipGlobalEnumerators;
/**
* Collects all bindings with given name.
*/
public BindingCollector(PDOMLinkage linkage, char[] name) {
this(linkage, name, null, false, false, true);
}
/**
* Collects all bindings with given name, passing the filter.
*
* @param linkage
* @param name
* @param filter
* @param prefixLookup
* If set to <code>true</code> a binding is considered if its name starts with the given prefix
* Otherwise, the binding will only be considered if its name matches exactly. This parameter
* is ignored if <code>contentAssistLookup</code> is true.
* @param contentAssistLookup
* If set to <code>true</code> a binding is considered if its names matches according to the
* current content assist matching rules.
* @param caseSensitive
* Ignored if <code>contentAssistLookup</code> is true.
*/
public BindingCollector(PDOMLinkage linkage, char[] name, IndexFilter filter, boolean prefixLookup,
boolean contentAssistLookup, boolean caseSensitive) {
super(linkage, name, prefixLookup, contentAssistLookup, caseSensitive);
this.filter= filter;
}
@Override
public boolean addNode(PDOMNamedNode tBinding) throws CoreException {
if (tBinding instanceof PDOMBinding) {
if (fSkipGlobalEnumerators && tBinding instanceof IEnumerator) {
PDOMNode parent = tBinding.getParentNode();
if (parent instanceof ICPPEnumeration) {
final ICPPEnumeration enumType = (ICPPEnumeration) parent;
if (parent.getParentNode() == null && !enumType.isScoped()) {
return true;
}
}
}
if (filter == null || filter.acceptBinding((IBinding) tBinding)) {
return super.addNode(tBinding);
}
}
return true; // look for more
}
public PDOMBinding[] getBindings() {
List<PDOMNamedNode> bindings= getNodeList();
return bindings.toArray(new PDOMBinding[bindings.size()]);
}
public void setSkipGlobalEnumerators(boolean b) {
fSkipGlobalEnumerators= b;
}
}