Skip to main content
summaryrefslogtreecommitdiffstats
blob: 1d89b9b89dfc012e6261d5d0665d20451e40e994 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
/*******************************************************************************
 * Copyright (c) 2000, 2004 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 Software Systems - Initial API and implementation
 *******************************************************************************/

package org.eclipse.cdt.make.internal.ui.text.makefile;

import org.eclipse.cdt.make.core.makefile.IMakefile;
import org.eclipse.cdt.make.internal.ui.MakeUIPlugin;
import org.eclipse.cdt.make.ui.IWorkingCopyManager;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.source.IAnnotationHover;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.ui.IEditorPart;

/**
 * MakefileAnnotationHover
 *  
 */
public class MakefileAnnotationHover implements IAnnotationHover {

	private IEditorPart fEditor;
                                                                                                                             
	/**
	 *  
	 */
	public MakefileAnnotationHover(IEditorPart editor) {
                fEditor = editor;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.jface.text.source.IAnnotationHover#getHoverInfo(org.eclipse.jface.text.source.ISourceViewer,
	 *      int)
	 */
	public String getHoverInfo(ISourceViewer sourceViewer, int lineNumber) {
		IDocument document = sourceViewer.getDocument();
		try {
			IRegion info = document.getLineInformation(lineNumber);
			String line = document.get(info.getOffset(), info.getLength());
			int numberOfLines = document.getNumberOfLines();
			while (line != null && line.endsWith("\\")) { //$NON-NLS-1$
				line = line.substring(0, line.length() - 1);
				lineNumber++;
				if (lineNumber < numberOfLines) {
					info = document.getLineInformation(lineNumber);
					String l = document.get(info.getOffset(), info.getLength());
					line += "\n" + l; //$NON-NLS-1$
				}
			}
			if (line != null && line.indexOf('$') != -1 && line.length() > 1) {
				IWorkingCopyManager fManager = MakeUIPlugin.getDefault().getWorkingCopyManager();
				IMakefile makefile = fManager.getWorkingCopy(fEditor.getEditorInput());
				line = makefile.expandString(line);
				return line;
			}
			return line;
		} catch (BadLocationException x) {
		}
		return null;
	}

}

Back to the top