/*******************************************************************************
* Copyright (c) 2000, 2009 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
* Anton Leherbauer (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.core;
import java.util.Map;
import org.eclipse.cdt.core.formatter.CodeFormatter;
import org.eclipse.cdt.core.formatter.DefaultCodeFormatterConstants;
import org.eclipse.cdt.internal.formatter.CCodeFormatter;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.core.runtime.IExtensionPoint;
import org.eclipse.core.runtime.Platform;
/**
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
*/
public class ToolFactory {
/**
* Create an instance of a code formatter. A code formatter implementation can be contributed via the
* extension point "org.eclipse.cdt.core.CodeFormatter". If unable to find a registered extension, the factory
* will default to using the default code formatter.
* @param options - the options map to use for formatting with the code formatter. Recognized options
* are documented on <code>DefaultCodeFormatterConstants</code>. If set to <code>null</code>, then use
* the current settings from <code>CCorePlugin.getOptions()</code>.
* @return an instance of either a contributed the built-in code formatter
* @see CodeFormatter
* @see DefaultCodeFormatterConstants
* @see CCorePlugin#getOptions()
*/
public static CodeFormatter createCodeFormatter(Map<String, ?> options){
if (options == null)
options = CCorePlugin.getOptions();
String formatterID = (String)options.get(CCorePreferenceConstants.CODE_FORMATTER);
String extID = CCorePlugin.FORMATTER_EXTPOINT_ID;
IExtensionPoint extension = Platform.getExtensionRegistry().getExtensionPoint(CCorePlugin.PLUGIN_ID, extID);
if (extension != null) {
IExtension[] extensions = extension.getExtensions();
for(int i = 0; i < extensions.length; i++){
IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
for(int j = 0; j < configElements.length; j++){
String initializerID = configElements[j].getAttribute("id"); //$NON-NLS-1$
if (initializerID != null && initializerID.equals(formatterID)){
try {
Object execExt = configElements[j].createExecutableExtension("class"); //$NON-NLS-1$
if (execExt instanceof CodeFormatter){
CodeFormatter formatter = (CodeFormatter)execExt;
formatter.setOptions(options);
return formatter;
}
} catch(CoreException e) {
CCorePlugin.log(e.getStatus());
break;
}
}
}
}
}
return createDefaultCodeFormatter(options);
}
/**
* Create an instance of the built-in code formatter.
*
* @param options - the options map to use for formatting with the default code formatter. Recognized options
* are documented on <code>DefaultCodeFormatterConstants</code>. If set to <code>null</code>, then use
* the current settings from <code>CCorePlugin.getOptions()</code>.
* @return an instance of the built-in code formatter
* @see CodeFormatter
* @see DefaultCodeFormatterConstants
* @see CCorePlugin#getOptions()
*/
public static CodeFormatter createDefaultCodeFormatter(Map<String, ?> options){
if (options == null)
options = CCorePlugin.getOptions();
return new CCodeFormatter(options);
}
}