1 /*
2 * #%L
3 * Native ARchive plugin for Maven
4 * %%
5 * Copyright (C) 2002 - 2014 NAR Maven Plugin developers.
6 * %%
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * #L%
19 */
20 package com.github.maven_nar.cpptasks.parser;
21
22 /**
23 * An base class for objects that represent the state of an AbstractParser.
24 *
25 * @author CurtArnold
26 * @see AbstractParser
27 */
28 public abstract class AbstractParserState {
29 private final AbstractParser parser;
30
31 protected AbstractParserState(final AbstractParser parser) {
32 if (parser == null) {
33 throw new NullPointerException("parser");
34 }
35 this.parser = parser;
36 }
37
38 /**
39 * Consume a character
40 *
41 * @return new state, may be null to ignore the rest of the line
42 */
43 public abstract AbstractParserState consume(char ch);
44
45 protected AbstractParser getParser() {
46 return this.parser;
47 }
48 }