Location.java

/*******************************************************************************
 * Copyright (c) 2000, 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
 *******************************************************************************/
package org.eclipse.jdt.internal.formatter;

/**
 * A location maintains positional information both in original source and in the output source. It
 * remembers source offsets, line/column and indentation level.
 * 
 * @since 2.1
 */
public class Location {

	public int inputOffset;

	/** deprecated */
	public int inputColumn;

	public int outputLine;

	public int outputColumn;

	public int outputIndentationLevel;

	public boolean needSpace;

	public boolean pendingSpace;

	public int nlsTagCounter;

	public int lastLocalDeclarationSourceStart;

	public int numberOfIndentations;

	// chunk management
	public int lastNumberOfNewLines;

	// edits management
	int editsIndex;

	OptimizedReplaceEdit textEdit;

	public Location(Scribe scribe, int sourceRestart) {
		update(scribe, sourceRestart);
	}

	public void update(Scribe scribe, int sourceRestart) {
		this.outputColumn= scribe.column;
		this.outputLine= scribe.line;
		this.inputOffset= sourceRestart;
		this.inputColumn= scribe.getCurrentIndentation(sourceRestart) + 1;
		this.outputIndentationLevel= scribe.indentationLevel;
		this.lastNumberOfNewLines= scribe.lastNumberOfNewLines;
		this.needSpace= scribe.needSpace;
		this.pendingSpace= scribe.pendingSpace;
		this.editsIndex= scribe.editsIndex;
		this.nlsTagCounter= scribe.nlsTagCounter;
		this.numberOfIndentations= scribe.numberOfIndentations;
		this.textEdit= scribe.getLastEdit();
	}

	public String toString() {
		StringBuffer buffer= new StringBuffer();
		buffer.append("output (column=" + this.outputColumn); //$NON-NLS-1$
		buffer.append(", line=" + this.outputLine); //$NON-NLS-1$
		buffer.append(", indentation level=" + this.outputIndentationLevel); //$NON-NLS-1$
		buffer.append(") input (offset=" + this.inputOffset); //$NON-NLS-1$
		buffer.append(", column=" + this.inputColumn); //$NON-NLS-1$
		buffer.append(')');
		return buffer.toString();
	}
}