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
|
/*******************************************************************************
* Copyright (c) 2006, 2013 IBM Corporation and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.debug.internal.ui.memory.provisional;
import java.io.UnsupportedEncodingException;
import java.math.BigInteger;
import org.eclipse.debug.core.model.MemoryByte;
import org.eclipse.debug.internal.core.IInternalDebugCoreConstants;
import org.eclipse.debug.internal.ui.DebugUIPlugin;
import org.eclipse.debug.ui.IDebugUIConstants;
/**
* Abstract implementation of a rendering that translates memory into text,
* displayed in a table.
* <p>
* Clients should subclass from this class if they wish to provide a table text
* rendering with a specific code page.
* </p>
*
* @since 3.2
*/
abstract public class AbstractAsyncTextRendering extends AbstractAsyncTableRendering {
private String fCodePage;
/**
* Constructs a text rendering of the specified type.
*
* @param renderingId memory rendering type identifier
*/
public AbstractAsyncTextRendering(String renderingId) {
super(renderingId);
}
/**
* Constructs a text rendering of the specified type on the given code page.
*
* @param renderingId memory rendering type identifier
* @param codePage the name of a supported {@link java.nio.charset.Charset
* </code>charset<code>}, for example <code>CP1252</code>
*/
public AbstractAsyncTextRendering(String renderingId, String codePage) {
super(renderingId);
fCodePage = codePage;
}
/**
* Sets the code page for this rendering. This does not cause the rendering
* to be updated with the new code page. Clients need to update the
* rendering manually when the code page is changed.
*
* @param codePage the name of a supported {@link java.nio.charset.Charset
* </code>charset<code>}, for example <code>CP1252</code>
*/
public void setCodePage(String codePage) {
fCodePage = codePage;
}
/**
* Returns the current code page used by this rendering. Returns null if not
* set.
*
* @return Returns the current code page used by this rendering. Returns
* null if not set.
*/
public String getCodePage() {
return fCodePage;
}
/*
* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.views.memory.provisional.
* AbstractAsyncTableRendering#getString(java.lang.String,
* java.math.BigInteger, org.eclipse.debug.core.model.MemoryByte[])
*/
@Override
public String getString(String dataType, BigInteger address, MemoryByte[] data) {
try {
String paddedStr = DebugUIPlugin.getDefault().getPreferenceStore().getString(IDebugUIConstants.PREF_PADDED_STR);
if (fCodePage == null) {
return IInternalDebugCoreConstants.EMPTY_STRING;
}
boolean[] invalid = new boolean[data.length];
boolean hasInvalid = false;
byte byteArray[] = new byte[data.length];
for (int i = 0; i < data.length; i++) {
if (!data[i].isReadable()) {
invalid[i] = true;
hasInvalid = true;
}
byteArray[i] = data[i].getValue();
}
if (hasInvalid) {
StringBuffer strBuf = new StringBuffer();
for (int i = 0; i < data.length; i++) {
if (invalid[i]) {
strBuf.append(paddedStr);
} else {
strBuf.append(new String(new byte[] { byteArray[i] }, fCodePage));
}
}
return strBuf.toString();
}
return new String(byteArray, fCodePage);
} catch (UnsupportedEncodingException e) {
return "-- error --"; //$NON-NLS-1$
}
}
/*
* (non-Javadoc)
* @see org.eclipse.debug.internal.ui.views.memory.provisional.
* AbstractAsyncTableRendering#getBytes(java.lang.String,
* java.math.BigInteger, org.eclipse.debug.core.model.MemoryByte[],
* java.lang.String)
*/
@Override
public byte[] getBytes(String dataType, BigInteger address, MemoryByte[] currentValues, String data) {
try {
if (fCodePage == null) {
return new byte[0];
}
byte[] bytes = data.getBytes(fCodePage);
return bytes;
} catch (UnsupportedEncodingException e) {
return new byte[0];
}
}
}
|
