Mercurial > jdk8-mips64-public > langtools / annotate
src/share/classes/com/sun/tools/javadoc/SourcePositionImpl.java@959103a6100f (annotated)
src/share/classes/com/sun/tools/javadoc/SourcePositionImpl.java
Wed, 27 Apr 2016 01:34:52 +0800
- author
- aoqi
- date
- Wed, 27 Apr 2016 01:34:52 +0800
- changeset 0
- 959103a6100f
- child 2525
- 2eb010b6cb22
- permissions
- -rw-r--r--
Initial load
http://hg.openjdk.java.net/jdk8u/jdk8u/langtools/
changeset: 2573:53ca196be1ae
tag: jdk8u25-b17
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2001, 2012, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
| aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
| aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
| aoqi@0 | 10 | * |
| aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 15 | * accompanied this code). |
| aoqi@0 | 16 | * |
| aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 20 | * |
| aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 23 | * questions. |
| aoqi@0 | 24 | */ |
| aoqi@0 | 25 | |
| aoqi@0 | 26 | package com.sun.tools.javadoc; |
| aoqi@0 | 27 | |
| aoqi@0 | 28 | import java.io.File; |
| aoqi@0 | 29 | import javax.tools.FileObject; |
| aoqi@0 | 30 | |
| aoqi@0 | 31 | import com.sun.javadoc.SourcePosition; |
| aoqi@0 | 32 | import com.sun.tools.javac.util.Position; |
| aoqi@0 | 33 | |
| aoqi@0 | 34 | /** |
| aoqi@0 | 35 | * A source position: filename, line number, and column number. |
| aoqi@0 | 36 | * |
| aoqi@0 | 37 | * <p><b>This is NOT part of any supported API. |
| aoqi@0 | 38 | * If you write code that depends on this, you do so at your own risk. |
| aoqi@0 | 39 | * This code and its internal interfaces are subject to change or |
| aoqi@0 | 40 | * deletion without notice.</b> |
| aoqi@0 | 41 | * |
| aoqi@0 | 42 | * @since J2SE1.4 |
| aoqi@0 | 43 | * @author Neal M Gafter |
| aoqi@0 | 44 | * @author Michael Van De Vanter (position representation changed to char offsets) |
| aoqi@0 | 45 | */ |
| aoqi@0 | 46 | public class SourcePositionImpl implements SourcePosition { |
| aoqi@0 | 47 | FileObject filename; |
| aoqi@0 | 48 | int position; |
| aoqi@0 | 49 | Position.LineMap lineMap; |
| aoqi@0 | 50 | |
| aoqi@0 | 51 | /** The source file. Returns null if no file information is |
| aoqi@0 | 52 | * available. */ |
| aoqi@0 | 53 | public File file() { |
| aoqi@0 | 54 | return (filename == null) ? null : new File(filename.getName()); |
| aoqi@0 | 55 | } |
| aoqi@0 | 56 | |
| aoqi@0 | 57 | /** The source file. Returns null if no file information is |
| aoqi@0 | 58 | * available. */ |
| aoqi@0 | 59 | public FileObject fileObject() { |
| aoqi@0 | 60 | return filename; |
| aoqi@0 | 61 | } |
| aoqi@0 | 62 | |
| aoqi@0 | 63 | /** The line in the source file. The first line is numbered 1; |
| aoqi@0 | 64 | * 0 means no line number information is available. */ |
| aoqi@0 | 65 | public int line() { |
| aoqi@0 | 66 | if (lineMap == null) { |
| aoqi@0 | 67 | return 0; |
| aoqi@0 | 68 | } else { |
| aoqi@0 | 69 | return lineMap.getLineNumber(position); |
| aoqi@0 | 70 | } |
| aoqi@0 | 71 | } |
| aoqi@0 | 72 | |
| aoqi@0 | 73 | /** The column in the source file. The first column is |
| aoqi@0 | 74 | * numbered 1; 0 means no column information is available. |
| aoqi@0 | 75 | * Columns count characters in the input stream; a tab |
| aoqi@0 | 76 | * advances the column number to the next 8-column tab stop. |
| aoqi@0 | 77 | */ |
| aoqi@0 | 78 | public int column() { |
| aoqi@0 | 79 | if (lineMap == null) { |
| aoqi@0 | 80 | return 0; |
| aoqi@0 | 81 | }else { |
| aoqi@0 | 82 | return lineMap.getColumnNumber(position); |
| aoqi@0 | 83 | } |
| aoqi@0 | 84 | } |
| aoqi@0 | 85 | |
| aoqi@0 | 86 | private SourcePositionImpl(FileObject file, int position, |
| aoqi@0 | 87 | Position.LineMap lineMap) { |
| aoqi@0 | 88 | super(); |
| aoqi@0 | 89 | this.filename = file; |
| aoqi@0 | 90 | this.position = position; |
| aoqi@0 | 91 | this.lineMap = lineMap; |
| aoqi@0 | 92 | } |
| aoqi@0 | 93 | |
| aoqi@0 | 94 | public static SourcePosition make(FileObject file, int pos, |
| aoqi@0 | 95 | Position.LineMap lineMap) { |
| aoqi@0 | 96 | if (file == null) return null; |
| aoqi@0 | 97 | return new SourcePositionImpl(file, pos, lineMap); |
| aoqi@0 | 98 | } |
| aoqi@0 | 99 | |
| aoqi@0 | 100 | public String toString() { |
| aoqi@0 | 101 | // Backwards compatibility hack. ZipFileObjects use the format |
| aoqi@0 | 102 | // zipfile(zipentry) but javadoc has been using zipfile/zipentry |
| aoqi@0 | 103 | String fn = filename.getName(); |
| aoqi@0 | 104 | if (fn.endsWith(")")) { |
| aoqi@0 | 105 | int paren = fn.lastIndexOf("("); |
| aoqi@0 | 106 | if (paren != -1) |
| aoqi@0 | 107 | fn = fn.substring(0, paren) |
| aoqi@0 | 108 | + File.separatorChar |
| aoqi@0 | 109 | + fn.substring(paren + 1, fn.length() - 1); |
| aoqi@0 | 110 | } |
| aoqi@0 | 111 | |
| aoqi@0 | 112 | if (position == Position.NOPOS) |
| aoqi@0 | 113 | return fn; |
| aoqi@0 | 114 | else |
| aoqi@0 | 115 | return fn + ":" + line(); |
| aoqi@0 | 116 | } |
| aoqi@0 | 117 | } |
