| /** |
| * 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(); |
| } |
| } |