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/*
* Copyright (C) 2010 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.crsh.cmdline.matcher.tokenizer;
/**
* @author Julien Viet
* @version $Revision$
*/
public abstract class Token {
public final static class Whitespace extends Token {
Whitespace(int index, String raw) {
super(index, raw);
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof Whitespace) {
Whitespace that = (Whitespace)obj;
return super.equals(obj) && index == that.index;
}
return false;
}
@Override
public String toString() {
return "Token.Whitespace[index=" + index + ",raw=" + raw + "]";
}
}
public abstract static class Literal extends Token {
public abstract static class Option extends Literal {
/** . */
private final String name;
public final String getName() {
return name;
}
Option(int index, String raw, String value, String name) {
super(index, raw, value);
this.name = name;
}
public final static class Short extends Option {
Short(int index, String raw, String value) {
super(index, raw, value, value.substring(1));
}
}
public final static class Long extends Option {
Long(int index, String raw, String value) {
super(index, raw, value, value.substring(2));
}
}
}
public final static class Word extends Literal {
Word(int index, String raw, String value) {
super(index, raw, value);
}
Word(int index, String value) {
super(index, value);
}
}
/** . */
final String value;
Literal(int index, String value) {
this(index, value, value);
}
Literal(int index, String raw, String value) {
super(index, raw);
if (value == null) {
throw new NullPointerException();
}
//
this.value = value;
}
public String getValue() {
return value;
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj.getClass().equals(getClass())) {
Literal that = (Literal)obj;
return super.equals(obj) && index == that.index && value.equals(that.value);
}
return false;
}
@Override
public String toString() {
return getClass().getSimpleName() + "[index=" + index + ",raw=" + raw + ",value=" + value + "]";
}
}
/** The index in the containing sequence. */
final int index;
/** . */
final String raw;
Token(int index, String raw) {
if (index < 0) {
throw new IllegalArgumentException();
}
if (raw == null) {
throw new NullPointerException();
}
//
this.index = index;
this.raw = raw;
}
/**
* Returns the raw text.
*
* @return the raw text
*/
public String getRaw() {
return raw;
}
/**
* Returns the from index is the containing string.
*
* @return the from index
*/
public int getFrom() {
return index;
}
/**
* Returns the to index in the containing string.
*
* @return the to index
*/
public int getTo() {
return index + raw.length();
}
@Override
public boolean equals(Object obj) {
if (obj == this) {
return true;
}
if (obj instanceof Token) {
Token that = (Token)obj;
return index == that.index && raw.equals(that.raw);
}
return false;
}
}
