]>
Commit | Line | Data |
---|---|---|
1b2798f6 EK |
1 | /******************************************************************************* |
2 | * Copyright (c) 2000, 2011 IBM Corporation and others. | |
3 | * All rights reserved. This program and the accompanying materials | |
4 | * are made available under the terms of the Eclipse Public License v1.0 | |
5 | * which accompanies this distribution, and is available at | |
6 | * http://www.eclipse.org/legal/epl-v10.html | |
7 | * | |
8 | * Contributors: | |
9 | * IBM Corporation - initial API and implementation | |
10 | *******************************************************************************/ | |
11 | ||
12 | package org.eclipse.jdt.internal.ui.search; | |
13 | ||
14 | import org.eclipse.core.runtime.CoreException; | |
15 | import org.eclipse.core.runtime.IStatus; | |
16 | import org.eclipse.core.runtime.Status; | |
17 | ||
18 | import org.eclipse.jdt.core.IBuffer; | |
19 | import org.eclipse.jdt.core.ITypeRoot; | |
20 | import org.eclipse.jdt.core.formatter.IndentManipulation; | |
21 | ||
22 | import org.eclipse.jdt.internal.corext.util.Messages; | |
23 | ||
24 | import org.eclipse.jdt.ui.JavaUI; | |
25 | ||
26 | import org.eclipse.jdt.internal.ui.viewsupport.BasicElementLabels; | |
27 | ||
28 | public class JavaElementLine { | |
29 | ||
30 | ||
31 | private final ITypeRoot fElement; | |
32 | private final String fLineContents; | |
33 | private final int fLineNumber; | |
34 | private final int fLineStartOffset; | |
35 | ||
36 | private int fFlags; | |
37 | ||
38 | /** | |
39 | * @param element either an ICompilationUnit or an IClassFile | |
40 | * @param lineNumber the line number | |
41 | * @param lineStartOffset the start offset of the line | |
42 | * @throws CoreException thrown when accessing of the buffer failed | |
43 | */ | |
44 | public JavaElementLine(ITypeRoot element, int lineNumber, int lineStartOffset) throws CoreException { | |
45 | fElement= element; | |
46 | fFlags= 0; | |
47 | ||
48 | IBuffer buffer= element.getBuffer(); | |
49 | if (buffer == null) { | |
50 | throw new CoreException(new Status(IStatus.ERROR, JavaUI.ID_PLUGIN, Messages.format( SearchMessages.JavaElementLine_error_nobuffer, BasicElementLabels.getFileName(element)))); | |
51 | } | |
52 | ||
53 | int length= buffer.getLength(); | |
54 | int i= lineStartOffset; | |
55 | ||
56 | char ch= buffer.getChar(i); | |
57 | while (lineStartOffset < length && IndentManipulation.isIndentChar(ch)) { | |
58 | ch= buffer.getChar(++i); | |
59 | } | |
60 | fLineStartOffset= i; | |
61 | ||
62 | StringBuffer buf= new StringBuffer(); | |
63 | ||
64 | while (i < length && !IndentManipulation.isLineDelimiterChar(ch)) { | |
65 | if (Character.isISOControl(ch)) { | |
66 | buf.append(' '); | |
67 | } else { | |
68 | buf.append(ch); | |
69 | } | |
70 | i++; | |
71 | if (i < length) | |
72 | ch= buffer.getChar(i); | |
73 | } | |
74 | fLineContents= buf.toString(); | |
75 | fLineNumber= lineNumber; | |
76 | } | |
77 | ||
78 | public void setFlags(int flags) { | |
79 | fFlags= flags; | |
80 | } | |
81 | ||
82 | public int getFlags() { | |
83 | return fFlags; | |
84 | } | |
85 | ||
86 | public ITypeRoot getJavaElement() { | |
87 | return fElement; | |
88 | } | |
89 | ||
90 | public int getLine() { | |
91 | return fLineNumber; | |
92 | } | |
93 | ||
94 | public String getLineContents() { | |
95 | return fLineContents; | |
96 | } | |
97 | ||
98 | public int getLineStartOffset() { | |
99 | return fLineStartOffset; | |
100 | } | |
101 | } |