src/share/classes/com/sun/tools/javadoc/SourcePositionImpl.java

Thu, 18 Sep 2008 18:39:44 -0700

author
jjg
date
Thu, 18 Sep 2008 18:39:44 -0700
changeset 115
829dea15ff99
parent 1
9a66ca7c79fa
child 197
1bf037016426
permissions
-rw-r--r--

6744408: Extra ouput is appearing in stderr
Reviewed-by: bpatel

duke@1 1 /*
duke@1 2 * Copyright 2001-2005 Sun Microsystems, Inc. All Rights Reserved.
duke@1 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1 4 *
duke@1 5 * This code is free software; you can redistribute it and/or modify it
duke@1 6 * under the terms of the GNU General Public License version 2 only, as
duke@1 7 * published by the Free Software Foundation. Sun designates this
duke@1 8 * particular file as subject to the "Classpath" exception as provided
duke@1 9 * by Sun in the LICENSE file that accompanied this code.
duke@1 10 *
duke@1 11 * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@1 14 * version 2 for more details (a copy is included in the LICENSE file that
duke@1 15 * accompanied this code).
duke@1 16 *
duke@1 17 * You should have received a copy of the GNU General Public License version
duke@1 18 * 2 along with this work; if not, write to the Free Software Foundation,
duke@1 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1 20 *
duke@1 21 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1 22 * CA 95054 USA or visit www.sun.com if you need additional information or
duke@1 23 * have any questions.
duke@1 24 */
duke@1 25
duke@1 26 package com.sun.tools.javadoc;
duke@1 27
duke@1 28 import com.sun.javadoc.SourcePosition;
duke@1 29 import com.sun.tools.javac.util.Position;
duke@1 30
duke@1 31 import java.io.File;
duke@1 32
duke@1 33 /**
duke@1 34 * A source position: filename, line number, and column number.
duke@1 35 *
duke@1 36 * @since J2SE1.4
duke@1 37 * @author Neal M Gafter
duke@1 38 * @author Michael Van De Vanter (position representation changed to char offsets)
duke@1 39 */
duke@1 40 class SourcePositionImpl implements SourcePosition {
duke@1 41 String filename;
duke@1 42 int position;
duke@1 43 Position.LineMap lineMap;
duke@1 44
duke@1 45 /** The source file. Returns null if no file information is
duke@1 46 * available. */
duke@1 47 public File file() {
duke@1 48 return (filename == null) ? null : new File(filename);
duke@1 49 }
duke@1 50
duke@1 51 /** The line in the source file. The first line is numbered 1;
duke@1 52 * 0 means no line number information is available. */
duke@1 53 public int line() {
duke@1 54 if (lineMap == null) {
duke@1 55 return 0;
duke@1 56 } else {
duke@1 57 return lineMap.getLineNumber(position);
duke@1 58 }
duke@1 59 }
duke@1 60
duke@1 61 /** The column in the source file. The first column is
duke@1 62 * numbered 1; 0 means no column information is available.
duke@1 63 * Columns count characters in the input stream; a tab
duke@1 64 * advances the column number to the next 8-column tab stop.
duke@1 65 */
duke@1 66 public int column() {
duke@1 67 if (lineMap == null) {
duke@1 68 return 0;
duke@1 69 }else {
duke@1 70 return lineMap.getColumnNumber(position);
duke@1 71 }
duke@1 72 }
duke@1 73
duke@1 74 private SourcePositionImpl(String file, int position,
duke@1 75 Position.LineMap lineMap) {
duke@1 76 super();
duke@1 77 this.filename = file;
duke@1 78 this.position = position;
duke@1 79 this.lineMap = lineMap;
duke@1 80 }
duke@1 81
duke@1 82 public static SourcePosition make(String file, int pos,
duke@1 83 Position.LineMap lineMap) {
duke@1 84 if (file == null) return null;
duke@1 85 return new SourcePositionImpl(file, pos, lineMap);
duke@1 86 }
duke@1 87
duke@1 88 public String toString() {
duke@1 89 if (position == Position.NOPOS)
duke@1 90 return filename;
duke@1 91 else
duke@1 92 return filename + ":" + line();
duke@1 93 }
duke@1 94 }

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