/* | |
* | |
* Copyright 2002-2004 The Ant-Contrib project | |
* | |
* 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 net.sf.antcontrib.cpptasks.parser; | |
public class BranchState extends AbstractParserState { | |
private char[] branchChars; | |
private AbstractParserState[] branchStates; | |
private AbstractParserState noMatchState; | |
public BranchState(AbstractParser parser, char[] branchChars, | |
AbstractParserState[] branchStates, AbstractParserState noMatchState) { | |
super(parser); | |
this.branchChars = (char[]) branchChars.clone(); | |
this.branchStates = (AbstractParserState[]) branchStates.clone(); | |
this.noMatchState = noMatchState; | |
} | |
public AbstractParserState consume(char ch) { | |
AbstractParserState state; | |
for (int i = 0; i < branchChars.length; i++) { | |
if (ch == branchChars[i]) { | |
state = branchStates[i]; | |
return state.consume(ch); | |
} | |
} | |
state = getNoMatchState(); | |
if (state != null) { | |
return state.consume(ch); | |
} | |
return state; | |
} | |
protected AbstractParserState getNoMatchState() { | |
return noMatchState; | |
} | |
} |