/*
* JBoss by Red Hat
* Copyright 2006-2009, Red Hat Middleware, LLC, and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ide.eclipse.freemarker.editor;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IDocumentPartitioner;
import org.eclipse.jface.text.rules.FastPartitioner;
import org.eclipse.ui.editors.text.FileDocumentProvider;
import org.jboss.ide.eclipse.freemarker.editor.partitions.PartitionScanner;
import org.jboss.ide.eclipse.freemarker.editor.partitions.PartitionType;
import org.jboss.ide.eclipse.freemarker.lang.LexicalConstants;
import org.jboss.ide.eclipse.freemarker.lang.ParserUtils;
import org.jboss.ide.eclipse.freemarker.lang.SyntaxMode;
/**
* @author <a href="mailto:joe@binamics.com">Joe Hudson</a>
*/
public class DocumentProvider extends FileDocumentProvider {
public DocumentProvider() {
super();
}
@Override
protected IDocument createDocument(Object element) throws CoreException {
IDocument document = super.createDocument(element);
if (document != null) {
IDocumentPartitioner partitioner =
new FastPartitioner(
new PartitionScanner(),
PartitionType.PARTITION_TYPES);
partitioner.connect(document);
document.setDocumentPartitioner(partitioner);
}
return document;
}
public static SyntaxMode findMode(IDocument document) {
int docLength = document.getLength();
if (docLength >= LexicalConstants.SQUARE_SYNTAX_MARKER.length()) {
try {
int i = 0;
for (; i < docLength && ParserUtils.isWhitespace(document.getChar(i)); i++) {
/* skip whitespace */
}
for (; i < docLength; i++) {
char ch = document.getChar(i);
if (ch != LexicalConstants.SQUARE_SYNTAX_MARKER.charAt(i)) {
return SyntaxMode.ANGLE;
}
}
return SyntaxMode.SQUARE;
} catch (BadLocationException ignore) {
return SyntaxMode.getDefault();
}
}
return SyntaxMode.getDefault();
}
}