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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.ui.externaltools.internal.ant.launchConfigurations;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.Path;
import org.eclipse.debug.ui.console.FileLink;
import org.eclipse.debug.ui.console.IConsole;
import org.eclipse.debug.ui.console.IConsoleLineTracker;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IRegion;
import org.eclipse.ui.externaltools.internal.model.StringMatcher;
/**
* Generates hyperlinks for javac output
*/
public class JavacLineTracker implements IConsoleLineTracker {
private IConsole fConsole;
private IFile fLastFile;
private StringMatcher fEclipseCompilerMatcher;
private StringMatcher fJavacMatcher;
private StringMatcher fJikesMatcher;
// trolling for errors after a Jikes error header was found
private boolean fTrolling = false;
/**
* Constructor for JavacLineTracker.
*/
public JavacLineTracker() {
super();
}
/**
* @see org.eclipse.debug.ui.console.IConsoleLineTracker#init(org.eclipse.debug.ui.console.IConsole)
*/
public void init(IConsole console) {
fConsole = console;
fEclipseCompilerMatcher = new StringMatcher("*[javac]*ERROR in*.java*(at line*)*",false, false); //$NON-NLS-1$
fJavacMatcher = new StringMatcher("*[javac] *.java:*:*",false, false); //$NON-NLS-1$
fJikesMatcher = new StringMatcher("*[javac] *\"*.java\":", false, false); //$NON-NLS-1$
}
/**
* @see org.eclipse.debug.ui.console.IConsoleLineTracker#lineAppended(org.eclipse.jface.text.IRegion)
*/
public void lineAppended(IRegion line) {
try {
int lineOffset = line.getOffset();
int lineLength = line.getLength();
String text = fConsole.getDocument().get(lineOffset, lineLength);
String fileName = null;
String lineNumber = ""; //$NON-NLS-1$
int fileStart = -1;
if (fEclipseCompilerMatcher.match(text)) {
fTrolling = false;
int index = text.indexOf("ERROR in"); //$NON-NLS-1$
if (index > 0) {
fileStart = index + 9;
index = text.lastIndexOf("(at line "); //$NON-NLS-1$
if (index > 0) {
int fileEnd = index - 1;
int numberStart = index + 9;
index = text.lastIndexOf(')');
if (index > 0) {
int numberEnd = index;
fileName = text.substring(fileStart, fileEnd).trim();
lineNumber = text.substring(numberStart, numberEnd).trim();
}
}
}
} else if (fJavacMatcher.match(text)) {
fTrolling = false;
fileStart = text.indexOf("[javac] "); //$NON-NLS-1$
fileStart += 8;
int index = text.indexOf(".java:", fileStart); //$NON-NLS-1$
if (index > 0) {
int numberStart = index + 6;
fileName = text.substring(fileStart, numberStart - 1).trim();
index = text.indexOf(":", numberStart); //$NON-NLS-1$
if (index > numberStart) {
lineNumber = text.substring(numberStart, index);
}
}
} else if (fJikesMatcher.match(text)) {
fileStart = text.indexOf('"');
fileStart++;
int index = text.indexOf(".java\"", fileStart); //$NON-NLS-1$
if (index > 0) {
index += 5;
fileName = text.substring(fileStart, index).trim();
fTrolling = true;
}
} else if (fTrolling) {
int index = text.indexOf("[javac]"); //$NON-NLS-1$
if (index > 0) {
// look for a line number
index+=7;
int numEnd = text.indexOf(".", index); //$NON-NLS-1$
if (numEnd > 0) {
String number = text.substring(index, numEnd).trim();
try {
int num = Integer.parseInt(number);
int numStart = text.indexOf(number, index);
if (fLastFile != null && fLastFile.exists()) {
FileLink link = new FileLink(fLastFile, null, -1, -1, num);
fConsole.addLink(link, lineOffset + numStart, lineLength - numStart);
}
} catch (NumberFormatException e) {
// not a line number
}
}
} else {
fTrolling = false;
}
}
if (fileName != null) {
int num = -1;
try {
num = Integer.parseInt(lineNumber);
} catch (NumberFormatException e) {
}
IFile file = ResourcesPlugin.getWorkspace().getRoot().getFileForLocation(new Path(fileName));
fLastFile = file;
if (file != null && file.exists()) {
FileLink link = new FileLink(file, null, -1, -1, num);
fConsole.addLink(link, lineOffset + fileStart, lineLength - fileStart);
}
}
} catch (BadLocationException e) {
}
}
/**
* @see org.eclipse.debug.ui.console.IConsoleLineTracker#dispose()
*/
public void dispose() {
fConsole = null;
}
}
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