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
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
|
/*******************************************************************************
* Copyright (c) 2007, 2008 Wind River Systems, Inc. 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:
* Anton Leherbauer (Wind River Systems) - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.ui.editor;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResourceChangeEvent;
import org.eclipse.core.resources.IResourceChangeListener;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.IResourceDeltaVisitor;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.PlatformObject;
import org.eclipse.core.runtime.content.IContentType;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.text.source.IVerticalRuler;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.IStorageEditorInput;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.editors.text.StorageDocumentProvider;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.ide.ResourceUtil;
import org.eclipse.ui.part.FileEditorInput;
import org.eclipse.ui.texteditor.AbstractTextEditor;
import org.eclipse.cdt.core.IBinaryParser;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.model.IBinary;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.resources.FileStorage;
import org.eclipse.cdt.ui.CUIPlugin;
import org.eclipse.cdt.utils.IGnuToolFactory;
import org.eclipse.cdt.utils.Objdump;
import org.eclipse.cdt.internal.ui.util.EditorUtility;
/**
* A readonly editor to view binary files. This default implementation displays the GNU objdump output of the
* binary as plain text. If no objdump output can be obtained, the binary content is displayed.
*/
public class DefaultBinaryFileEditor extends AbstractTextEditor implements IResourceChangeListener {
/**
* A storage editor input for binary files.
*/
public static class BinaryFileEditorInput extends PlatformObject implements IStorageEditorInput {
private final IBinary fBinary;
private IStorage fStorage;
/**
* Create an editor input from the given binary.
*
* @param binary
*/
public BinaryFileEditorInput(IBinary binary) {
fBinary = binary;
}
/*
* @see org.eclipse.ui.IEditorInput#exists()
*/
@Override
public boolean exists() {
return fBinary.exists();
}
/*
* @see org.eclipse.ui.IEditorInput#getImageDescriptor()
*/
@Override
public ImageDescriptor getImageDescriptor() {
IFile file = (IFile) fBinary.getResource();
IContentType contentType = IDE.getContentType(file);
return PlatformUI.getWorkbench().getEditorRegistry()
.getImageDescriptor(file.getName(), contentType);
}
/*
* @see org.eclipse.ui.IEditorInput#getName()
*/
@Override
public String getName() {
return fBinary.getElementName();
}
/*
* @see org.eclipse.ui.IEditorInput#getPersistable()
*/
@Override
public IPersistableElement getPersistable() {
return null;
}
/*
* @see org.eclipse.ui.IEditorInput#getToolTipText()
*/
@Override
public String getToolTipText() {
return fBinary.getResource().getFullPath().toString();
}
/*
* @see org.eclipse.ui.IStorageEditorInput#getStorage()
*/
@Override
public IStorage getStorage() throws CoreException {
if (fStorage == null) {
IBinaryParser.IBinaryObject object = (IBinaryParser.IBinaryObject) fBinary
.getAdapter(IBinaryParser.IBinaryObject.class);
if (object != null) {
IGnuToolFactory factory = (IGnuToolFactory) object.getBinaryParser().getAdapter(
IGnuToolFactory.class);
if (factory != null) {
Objdump objdump = factory.getObjdump(object.getPath());
if (objdump != null) {
try {
// limit editor to X MB, if more - users should use objdump in command
// this is UI blocking call, on 56M binary it takes more than 15 min
// and generates at least 2.5G of assembly
int limitBytes = 6 * 1024 * 1024; // this can run reasonably within seconds
byte[] output = objdump.getOutput(limitBytes);
if (output.length >= limitBytes) {
// add a message for user
String text = CEditorMessages.DefaultBinaryFileEditor_TruncateMessage;
String message = "\n\n--- " + text + " ---\n" + objdump.toString(); //$NON-NLS-1$ //$NON-NLS-2$
System.arraycopy(message.getBytes(), 0, output,
limitBytes - message.length(), message.length());
}
fStorage = new FileStorage(new ByteArrayInputStream(output), object.getPath());
} catch (IOException exc) {
CUIPlugin.log(exc);
}
}
}
}
if (fStorage == null) {
// backwards compatibility
fStorage = EditorUtility.getStorage(fBinary);
if (fStorage == null) {
// fall back to binary content
fStorage = (IFile) fBinary.getResource();
}
}
}
return fStorage;
}
}
/**
* A storage document provider for binary files.
*/
public static class BinaryFileDocumentProvider extends StorageDocumentProvider {
/*
* @see org.eclipse.ui.editors.text.StorageDocumentProvider#createDocument(java.lang.Object)
*/
@Override
protected IDocument createDocument(Object element) throws CoreException {
IFile file = ResourceUtil.getFile(element);
if (file != null) {
ICElement cElement = CoreModel.getDefault().create(file);
if (cElement instanceof IBinary) {
element = new BinaryFileEditorInput((IBinary) cElement);
}
}
return super.createDocument(element);
}
@Override
public long getModificationStamp(Object element) {
if (element instanceof FileEditorInput) {
return ((FileEditorInput) element).getFile().getModificationStamp();
}
return 0;
}
/*
* @see org.eclipse.ui.editors.text.StorageDocumentProvider#isModifiable(java.lang.Object)
*/
@Override
public boolean isModifiable(Object element) {
return false;
}
/*
* @see org.eclipse.ui.editors.text.StorageDocumentProvider#isReadOnly(java.lang.Object)
*/
@Override
public boolean isReadOnly(Object element) {
return true;
}
}
public DefaultBinaryFileEditor() {
super();
setDocumentProvider(new BinaryFileDocumentProvider());
ResourcesPlugin.getWorkspace().addResourceChangeListener(this, IResourceChangeEvent.POST_CHANGE);
}
/*
* @see
* org.eclipse.ui.texteditor.AbstractDecoratedTextEditor#createSourceViewer(org.eclipse.swt.widgets.Composite
* , org.eclipse.jface.text.source.IVerticalRuler, int)
*/
@Override
protected ISourceViewer createSourceViewer(Composite parent, IVerticalRuler ruler, int styles) {
ISourceViewer sourceViewer = super.createSourceViewer(parent, ruler, styles);
sourceViewer.setEditable(false);
return sourceViewer;
}
@Override
public void dispose() {
ResourcesPlugin.getWorkspace().removeResourceChangeListener(this);
}
@Override
public void resourceChanged(final IResourceChangeEvent event) {
try {
if (event.getType() == IResourceChangeEvent.POST_CHANGE) {
event.getDelta().accept(new IResourceDeltaVisitor() {
@Override
public boolean visit(IResourceDelta delta) {
if (delta.getResource().getName().equals(getEditorInput().getName())) {
refresh();
return false;
}
return true;
}
});
}
} catch (CoreException e) {
CUIPlugin.log(e);
}
}
protected void refresh() {
PlatformUI.getWorkbench().getDisplay().asyncExec(new Runnable() {
@Override
public void run() {
try {
doSetInput(getEditorInput());
} catch (CoreException e) {
CUIPlugin.log(e);
}
}
});
}
}
|
