/*******************************************************************************
* Copyright (c) 2007, 2009 Wind River 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.dsf.debug.internal.ui.disassembly;
import org.eclipse.cdt.internal.ui.text.CWordFinder;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.ITextViewer;
import org.eclipse.jface.text.hyperlink.AbstractHyperlinkDetector;
import org.eclipse.jface.text.hyperlink.IHyperlink;
/**
* A hyperlink detector detecting words and numbers to support navigation
* to a symbolic address.
*/
@SuppressWarnings("restriction")
class DisassemblyHyperlinkDetector extends AbstractHyperlinkDetector {
public class DisassemblyHyperlink implements IHyperlink {
private String fSymbol;
private IRegion fRegion;
/**
* @param symbol
* @param region
*/
public DisassemblyHyperlink(String symbol, IRegion region) {
fSymbol= symbol;
fRegion= region;
}
/*
* @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkRegion()
*/
public IRegion getHyperlinkRegion() {
return fRegion;
}
/*
* @see org.eclipse.jface.text.hyperlink.IHyperlink#getHyperlinkText()
*/
public String getHyperlinkText() {
return null;
}
/*
* @see org.eclipse.jface.text.hyperlink.IHyperlink#getTypeLabel()
*/
public String getTypeLabel() {
return null;
}
/*
* @see org.eclipse.jface.text.hyperlink.IHyperlink#open()
*/
public void open() {
if (fPart != null) {
fPart.gotoSymbol(fSymbol);
}
}
}
private DisassemblyPart fPart;
public DisassemblyHyperlinkDetector(DisassemblyPart part) {
fPart= part;
}
/*
* @see org.eclipse.jface.text.hyperlink.IHyperlinkDetector#detectHyperlinks(org.eclipse.jface.text.ITextViewer, org.eclipse.jface.text.IRegion, boolean)
*/
public IHyperlink[] detectHyperlinks(ITextViewer textViewer,
IRegion region, boolean canShowMultipleHyperlinks) {
IDocument document= textViewer.getDocument();
if (document == null) {
return null;
}
IRegion wordRegion = CWordFinder.findWord(document, region.getOffset());
if (wordRegion != null && wordRegion.getLength() != 0) {
String word;
try {
word= document.get(wordRegion.getOffset(), wordRegion.getLength());
return new IHyperlink[] { new DisassemblyHyperlink(word, wordRegion) };
} catch (BadLocationException e) {
}
}
return null;
}
}