/*
    * #%L
    * Native ARchive plugin for Maven
    * %%
    * Copyright (C) 2002 - 2014 NAR Maven Plugin developers.
    * %%
    * 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.
   * #L%
   */
  package com.github.maven_nar.cpptasks.parser;
  
  public class BranchState extends AbstractParserState {
    private final char[] branchChars;
    private final AbstractParserState[] branchStates;
    private final AbstractParserState noMatchState;
  
    public BranchState(final AbstractParser parser, final char[] branchChars, final AbstractParserState[] branchStates,
        final AbstractParserState noMatchState) {
      super(parser);
      this.branchChars = branchChars.clone();
      this.branchStates = branchStates.clone();
      this.noMatchState = noMatchState;
    }
  
    @Override
    public AbstractParserState consume(final char ch) {
      AbstractParserState state;
      for (int i = 0; i < this.branchChars.length; i++) {
        if (ch == this.branchChars[i]) {
          state = this.branchStates[i];
          return state.consume(ch);
        }
      }
      state = getNoMatchState();
      if (state != null) {
        return state.consume(ch);
      }
      return state;
    }
  
    protected AbstractParserState getNoMatchState() {
      return this.noMatchState;
    }
  }