blob: 41ca85b17c26f4f46be959f51688684c6eefc658 (
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
73
74
75
76
77
78
79
80
81
|
/*******************************************************************************
* Copyright (c) 2006, 2007 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.core.internal.jdtutility;
import org.eclipse.jdt.core.dom.ASTNode;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.core.internal.ITextRange;
import org.eclipse.jpt.utility.internal.StringTools;
/**
* Straightforward implementation of ITextRange that adapts an ASTNode.
*/
public class ASTNodeTextRange implements ITextRange {
private final ASTNode astNode;
public ASTNodeTextRange(ASTNode astNode) {
super();
this.astNode = astNode;
}
public int getOffset() {
return this.astNode.getStartPosition();
}
public int getLength() {
return this.astNode.getLength();
}
public int getLineNumber() {
return ((CompilationUnit) this.astNode.getRoot()).getLineNumber(this.getOffset());
}
public boolean includes(int index) {
return (this.getOffset() <= index) && (index < this.end());
}
public boolean touches(int index) {
return this.includes(index) || (index == this.end());
}
/**
* The end offset is "exclusive", i.e. the element at the end offset
* is not included in the range.
*/
private int end() {
return this.getOffset() + this.getLength();
}
@Override
public boolean equals(Object o) {
if (o == this) {
return true;
}
if ( ! (o instanceof ITextRange)) {
return false;
}
ITextRange r = (ITextRange) o;
return (r.getOffset() == this.getOffset())
&& (r.getLength() == this.getLength());
}
@Override
public int hashCode() {
return this.getOffset() ^ this.getLength();
}
@Override
public String toString() {
String start = String.valueOf(this.getOffset());
String end = String.valueOf(this.getOffset() + this.getLength() - 1);
return StringTools.buildToStringFor(this, start + ", " + end);
}
}
|
