/*******************************************************************************
 * Copyright (c) 2009 Red Hat, Inc.
 * 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:
 *     Red Hat - initial API and implementation
 *******************************************************************************/
package org.eclipse.linuxtools.internal.callgraph.launch;

import org.eclipse.core.runtime.CoreException;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.eclipse.linuxtools.internal.callgraph.core.LaunchConfigurationConstants;

public class ConfigurationOptionsSetter {

	/**
	 * Returns a SystemTap command string containing the options specified in
	 * the configuration.
	 *
	 * @param config
	 * @return
	 */
	public static String setOptions(ILaunchConfiguration config) {
		StringBuilder options = new StringBuilder();
		try {

			int verboseLevel = config.getAttribute(
					LaunchConfigurationConstants.COMMAND_VERBOSE,
					LaunchConfigurationConstants.DEFAULT_COMMAND_VERBOSE);
			if (verboseLevel > 0) {
				StringBuilder builder = new StringBuilder();
				builder.append("-"); //$NON-NLS-1$
				for (int i = 0; i < verboseLevel; i++)
					builder.append("v"); //$NON-NLS-1$
				builder.append(" "); //$NON-NLS-1$
				options.append(builder.toString());
			}

			if (config.getAttribute(LaunchConfigurationConstants.COMMAND_PASS,
					LaunchConfigurationConstants.DEFAULT_COMMAND_PASS) > 0) {
				options.append("-p" + config.getAttribute(LaunchConfigurationConstants.COMMAND_PASS, LaunchConfigurationConstants.DEFAULT_COMMAND_PASS) + " "); //$NON-NLS-1$ //$NON-NLS-2$
			}

			if (config
					.getAttribute(
							LaunchConfigurationConstants.COMMAND_KEEP_TEMPORARY,
							LaunchConfigurationConstants.DEFAULT_COMMAND_KEEP_TEMPORARY)) {
				options.append("-k "); //$NON-NLS-1$
			}

			if (config.getAttribute(LaunchConfigurationConstants.COMMAND_GURU,
					LaunchConfigurationConstants.DEFAULT_COMMAND_GURU)) {
				options.append("-g "); //$NON-NLS-1$
			}

			if (config
					.getAttribute(
							LaunchConfigurationConstants.COMMAND_PROLOGUE_SEARCH,
							LaunchConfigurationConstants.DEFAULT_COMMAND_PROLOGUE_SEARCH)) {
				options.append("-P "); //$NON-NLS-1$
			}

			if (config
					.getAttribute(
							LaunchConfigurationConstants.COMMAND_NO_CODE_ELISION,
							LaunchConfigurationConstants.DEFAULT_COMMAND_NO_CODE_ELISION)) {
				options.append("-u "); //$NON-NLS-1$
			}

			if (config
					.getAttribute(
							LaunchConfigurationConstants.COMMAND_DISABLE_WARNINGS,
							LaunchConfigurationConstants.DEFAULT_COMMAND_DISABLE_WARNINGS)) {
				options.append("-w "); //$NON-NLS-1$
			}

			if (config.getAttribute(
					LaunchConfigurationConstants.COMMAND_BULK_MODE,
					LaunchConfigurationConstants.DEFAULT_COMMAND_BULK_MODE)) {
				options.append("-b "); //$NON-NLS-1$
			}

			if (config.getAttribute(
					LaunchConfigurationConstants.COMMAND_TIMING_INFO,
					LaunchConfigurationConstants.DEFAULT_COMMAND_TIMING_INFO)) {
				options.append("-t "); //$NON-NLS-1$
			}

			if (config.getAttribute(
					LaunchConfigurationConstants.COMMAND_BUFFER_BYTES,
					LaunchConfigurationConstants.DEFAULT_COMMAND_BUFFER_BYTES) > 0) {
				options.append("-s" + config.getAttribute(LaunchConfigurationConstants.COMMAND_BUFFER_BYTES, LaunchConfigurationConstants.DEFAULT_COMMAND_BUFFER_BYTES) + " "); //$NON-NLS-1$ //$NON-NLS-2$
			}

			if (config.getAttribute(
					LaunchConfigurationConstants.COMMAND_TARGET_PID,
					LaunchConfigurationConstants.DEFAULT_COMMAND_TARGET_PID) > 0) {
				options.append("-x" + config.getAttribute(LaunchConfigurationConstants.COMMAND_TARGET_PID, LaunchConfigurationConstants.DEFAULT_COMMAND_TARGET_PID) + " "); //$NON-NLS-1$ //$NON-NLS-2$
			}

			if (config.getAttribute(
					LaunchConfigurationConstants.COMMAND_C_DIRECTIVES,
					LaunchConfigurationConstants.DEFAULT_COMMAND_C_DIRECTIVES) != LaunchConfigurationConstants.DEFAULT_COMMAND_C_DIRECTIVES) {
				options.append(config
						.getAttribute(
								LaunchConfigurationConstants.COMMAND_C_DIRECTIVES,
								LaunchConfigurationConstants.DEFAULT_COMMAND_C_DIRECTIVES)
						+ " "); //$NON-NLS-1$
			}

			if (config.getAttribute(
					LaunchConfigurationConstants.COMMAND_LEAVE_RUNNING,
					LaunchConfigurationConstants.DEFAULT_COMMAND_LEAVE_RUNNING)) {
				options.append("-F "); //$NON-NLS-1$
			}

			if (config.getAttribute(
					LaunchConfigurationConstants.COMMAND_SKIP_BADVARS,
					LaunchConfigurationConstants.DEFAULT_COMMAND_SKIP_BADVARS)) {
				options.append("--skip-badvars "); //$NON-NLS-1$
			}

			if (config.getAttribute(
					LaunchConfigurationConstants.COMMAND_IGNORE_DWARF,
					LaunchConfigurationConstants.DEFAULT_COMMAND_IGNORE_DWARF)) {
				options.append("--ignore-dwarf "); //$NON-NLS-1$
			}

			if (config
					.getAttribute(
							LaunchConfigurationConstants.COMMAND_TAPSET_COVERAGE,
							LaunchConfigurationConstants.DEFAULT_COMMAND_TAPSET_COVERAGE)) {
				options.append("-q "); //$NON-NLS-1$
			}
			return options.toString();

		} catch (CoreException e) {
			e.printStackTrace();
		}

		return null;
	}
}
