/*******************************************************************************
* Copyright (c) 2009 IBM Corporation 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:
* IBM Corporation - initial API and implementation
* Zend Technologies
*******************************************************************************/
package org2.eclipse.php.internal.core.ast.rewrite;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org2.eclipse.php.internal.core.ast.nodes.Program;
/**
*
*/
public abstract class LineInformation {
public static LineInformation create(final IDocument doc) {
return new LineInformation() {
public int getLineOfOffset(int offset) {
try {
return doc.getLineOfOffset(offset);
} catch (BadLocationException e) {
return -1;
}
}
public int getLineOffset(int line) {
try {
return doc.getLineOffset(line);
} catch (BadLocationException e) {
return -1;
}
}
};
}
public static LineInformation create(final Program astRoot) {
return new LineInformation() {
public int getLineOfOffset(int offset) {
return astRoot.getLineNumber(offset) - 1;
}
public int getLineOffset(int line) {
return astRoot.getPosition(line + 1, 0);
}
};
}
public abstract int getLineOfOffset(int offset);
public abstract int getLineOffset(int line);
}