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1
11 package org.eclipse.debug.internal.ui.views.memory;
12
13 import java.math.BigInteger  ;
14 import org.eclipse.debug.internal.core.memory.MemoryByte;
15
16
17
22 public class HexRenderer extends AbstractMemoryRenderer implements IFixedLengthOutputRenderer {
23
24
27 public String getString(
28 String dataType,
29 BigInteger address,
30 MemoryByte[] data, String paddedStr) {
31
32 StringBuffer strBuffer = new StringBuffer ();
33
34 for (int i=0; i<data.length; i++)
35 {
36 if ((data[i].flags & MemoryByte.VALID) != 0)
37 {
38 strBuffer.append(new String (convertByteToCharArray(data[i].value)));
39 }
40 else
41 {
42 strBuffer.append(paddedStr);
44 }
45 }
46
47 return strBuffer.toString().toUpperCase();
48
49 }
50
51
54 public byte[] getBytes(
55 String dataType,
56 BigInteger address,
57 MemoryByte[] currentValues, String data) {
58
59 byte[] bytes = convertHexStringToByteArray(data);
60
61 return bytes;
62 }
63
64
67 public int getNumCharPerByte() {
68 return 2;
69 }
70
71
76 static public String convertByteArrayToHexString(byte[] byteArray)
77 {
78 StringBuffer strBuffer = new StringBuffer ();
79 char charArray[];
80
81 for (int i=0; i<byteArray.length;i ++)
82 {
83 charArray = convertByteToCharArray(byteArray[i]);
84 strBuffer.append(charArray);
85 }
86
87 return strBuffer.toString();
88 }
89
90 static private char[] convertByteToCharArray(byte aByte)
91 {
92 char charArray[] = new char[2];
93 int val = aByte;
94 if (val<0) val += 256;
95 charArray[0] = Character.forDigit(val/16, 16);
96 charArray[1] = Character.forDigit(val%16, 16);
97
98 return charArray;
99 }
100
101
107 public byte[] convertHexStringToByteArray(String str) throws NumberFormatException
108 {
109 if (str.length() < getNumCharPerByte())
110 return null;
111
112 byte[] bytes = new byte[str.length()/getNumCharPerByte()];
113
114 for (int i=0; i<bytes.length; i++)
116 {
117 String oneByte = str.substring(i*2, i*2+2);
119
120 Integer number = Integer.valueOf(oneByte, 16);
121 if (number.compareTo(Integer.valueOf(Byte.toString(Byte.MAX_VALUE))) > 0)
122 {
123 int temp = number.intValue();
124 temp = temp - 256;
125
126 String tempStr = Integer.toString(temp);
127
128 Byte myByte = Byte.valueOf(tempStr);
129 bytes[i] = myByte.byteValue();
130 }
131 else
132 {
133 Byte myByte = Byte.valueOf(oneByte, 16);
134 bytes[i] = myByte.byteValue();
135 }
136 }
137
138 return bytes;
139 }
140
141 }
142 |
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