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/**********************************************************************
* Copyright (c) 2004, 2005 IBM Corporation 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.dom.ast;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.parser.IToken;
/**
* This class represents the node that would occur at the point of a context
* completion.
*
* This node may contain the prefix text of an identifer up to the point. If
* there is no prefix, the completion occurred at the point where a new token
* would have begun.
*
* The node points to the parent node where this node, if replaced by a proper
* node, would reside in the tree.
*
* @author Doug Schaefer
*/
public class ASTCompletionNode {
private IToken completionToken;
private List names = new ArrayList();
private IASTTranslationUnit translationUnit;
// used for debug
public int count;
/**
* Only constructor.
*
* @param completionToken the completion token
* @param translationUnit the translation unit for this completion
*/
public ASTCompletionNode(IToken completionToken, IASTTranslationUnit translationUnit) {
this.completionToken = completionToken;
this.translationUnit = translationUnit;
}
/**
* Add a name to node.
*
* @param name
*/
public void addName(IASTName name) {
names.add(name);
}
/**
* If the point of completion was at the end of a potential identifier, this
* string contains the text of that identifier.
*
* @return the prefix text up to the point of completion
*/
public String getPrefix() {
return completionToken.getType() != IToken.tEOC ? completionToken.getImage() : "";
}
/**
* Get the length of the completion point.
*
* @return length of completion token
*/
public int getLength() {
return completionToken.getLength();
}
/**
* Get a list of names that fit in this context.
*
* @return array of IASTName's
*/
public IASTName[] getNames() {
return (IASTName[]) names.toArray(new IASTName[names.size()]);
}
/**
* Get the translation unit for this completion
*
* @return the translation unit
*/
public IASTTranslationUnit getTranslationUnit() {
return translationUnit;
}
}
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