/*******************************************************************************
* Copyright (c) 2009 David Green and others.
* 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:
* David Green - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.wikitext.parser.markup.block;
import java.util.regex.Pattern;
import org.eclipse.mylyn.wikitext.parser.Attributes;
import org.eclipse.mylyn.wikitext.parser.DocumentBuilder.BlockType;
import org.eclipse.mylyn.wikitext.parser.markup.Block;
import org.eclipse.mylyn.wikitext.parser.markup.MarkupLanguage;
/**
* A block that starts a preformatted section that begins with <tt>-- Error Details --</tt>, which is the prefix for
* error information inserted into a bug description by Mylyn when creating bugs from the Eclipse Error Log view. The
* block terminates with the first {@link MarkupLanguage#isEmptyLine(String) empty line}.
*
* @author David Green
* @since 3.0
*/
public class EclipseErrorDetailsBlock extends Block {
private static final Pattern START_PATTERN = Pattern.compile("\\s*-- Error Details --.*"); //$NON-NLS-1$
private int blockLineCount = 0;
@Override
public boolean canStart(String line, int lineOffset) {
if (lineOffset == 0 && START_PATTERN.matcher(line).matches()) {
blockLineCount = 0;
return true;
}
return false;
}
@Override
protected int processLineContent(String line, int offset) {
if (blockLineCount++ == 0) {
Attributes attributes = new Attributes();
attributes.setCssClass("eclipseErrorDetails"); //$NON-NLS-1$
builder.beginBlock(BlockType.PREFORMATTED, attributes);
} else {
if (markupLanguage.isEmptyLine(line)) {
setClosed(true);
return 0;
}
}
builder.characters(offset > 0 ? line.substring(offset) : line);
builder.characters("\n"); //$NON-NLS-1$
return -1;
}
@Override
public void setClosed(boolean closed) {
if (closed && !isClosed()) {
builder.endBlock();
}
super.setClosed(closed);
}
}