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1
11
12 package org.eclipse.debug.internal.ui.views.memory.renderings;
13
14 import java.math.BigInteger  ;
15 import java.util.ArrayList ;
16
17 import org.eclipse.core.runtime.PlatformObject;
18 import org.eclipse.debug.core.model.MemoryByte;
19
20 public class MemorySegment extends PlatformObject {
21
22 private BigInteger fAddress;
23 private BigInteger fEndAddress;
24 private MemoryByte[] fBytes;
25 private int fNumAddressableUnits;
26
27 public MemorySegment(BigInteger address, MemoryByte[] bytes, int numAddressableUnits)
28 {
29 fAddress = address;
30 fBytes = bytes;
31 fNumAddressableUnits = numAddressableUnits;
32 }
33
34 public BigInteger getAddress() {
35 return fAddress;
36 }
37
38 public MemoryByte[] getBytes() {
39 return fBytes;
40 }
41
42 public int getNumAddressableUnits() {
43 return fNumAddressableUnits;
44 }
45
46 public boolean containsAddress(BigInteger address)
47 {
48 if (getAddress().compareTo(address) <= 0 && getEndAddress().compareTo(address) >= 0)
49 return true;
50 return false;
51 }
52
53 public BigInteger getEndAddress()
54 {
55 if (fEndAddress == null)
56 {
57 fEndAddress = fAddress.add(BigInteger.valueOf(fNumAddressableUnits).subtract(BigInteger.ONE));
58 }
59 return fEndAddress;
60 }
61
62
67 public MemoryByte[] getBytes(int start, int length)
68 {
69 if (start < 0)
70 return new MemoryByte[0];
71
72 if (start + length > fBytes.length)
73 return new MemoryByte[0];
74
75 ArrayList ret = new ArrayList ();
76
77 for (int i=start; i< start+length; i++)
78 {
79 ret.add(fBytes[i]);
80 }
81 return (MemoryByte[]) ret.toArray(new MemoryByte[ret.size()]);
82 }
83
84 }
85 |
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