/**
* Copyright (c) 2008-2012, http://www.snakeyaml.org
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.yaml.snakeyaml.tokens;
import org.yaml.snakeyaml.error.Mark;
import org.yaml.snakeyaml.error.YAMLException;
public abstract class Token {
public enum ID {
Alias, Anchor, BlockEnd, BlockEntry, BlockMappingStart, BlockSequenceStart, Directive, DocumentEnd, DocumentStart, FlowEntry, FlowMappingEnd, FlowMappingStart, FlowSequenceEnd, FlowSequenceStart, Key, Scalar, StreamEnd, StreamStart, Tag, Value
}
private final Mark startMark;
private final Mark endMark;
public Token(Mark startMark, Mark endMark) {
if (startMark == null || endMark == null) {
throw new YAMLException("Token requires marks.");
}
this.startMark = startMark;
this.endMark = endMark;
}
public String toString() {
return "<" + this.getClass().getName() + "(" + getArguments() + ")>";
}
public Mark getStartMark() {
return startMark;
}
public Mark getEndMark() {
return endMark;
}
/**
* @see "__repr__ for Token in PyYAML"
*/
protected String getArguments() {
return "";
}
/**
* For error reporting.
*
* @see "class variable 'id' in PyYAML"
*/
public abstract Token.ID getTokenId();
/*
* for tests only
*/
@Override
public boolean equals(Object obj) {
if (obj instanceof Token) {
return toString().equals(obj.toString());
} else {
return false;
}
}
/*
* for tests only
*/
@Override
public int hashCode() {
return toString().hashCode();
}
}