/*******************************************************************************
* Copyright (c) 2007 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is 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, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.common.el.internal.core.parser.token;
import org.jboss.tools.common.el.core.ElCoreMessages;
import org.jboss.tools.common.el.core.parser.ITokenDescription;
import org.jboss.tools.common.el.core.parser.Tokenizer;
/**
*
* @author V. Kabanovich
*
*/
public class WhiteSpaceTokenDescription implements ITokenDescription {
public static final int WHITESPACE = 0;
public static WhiteSpaceTokenDescription INSTANCE = new WhiteSpaceTokenDescription();
public String getName() {
return ElCoreMessages.WhiteSpaceTokenDescription_Name;
}
public int getType() {
return WHITESPACE;
}
public boolean isStart(Tokenizer tokenizer, int offset) {
char i = tokenizer.lookUpChar(offset);
return Character.isWhitespace(i);
}
public boolean read(Tokenizer tokenizer, int offset) {
int i = offset;
char ch = '\0';
while(Character.isWhitespace(ch = tokenizer.readNextChar())) {
i++;
}
if(ch != '\0') {
tokenizer.releaseChar();
}
tokenizer.addToken(getType(), offset, i);
return false;
}
}