audk/Tools/Source/Cpptasks/net/sf/antcontrib/cpptasks/parser/BranchState.java

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/*
*
* 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;
}
}