content: /*
   * Copyright 2019 Aurélien Gâteau <mail@agateau.com>
   *
   * This file is part of Pixel Wheels.
   *
   * 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 com.agateau.ui.animscript;
  
  import com.agateau.ui.DimensionParser;
  import com.badlogic.gdx.utils.Align;
  import java.io.IOException;
  import java.io.StreamTokenizer;
  import java.util.HashMap;
  import java.util.Map;
  
  class AlignmentArgumentDefinition extends ArgumentDefinition<Integer> {
      private static final Map<String, Integer> sMap = new HashMap<>();
  
      static {
          sMap.put("bottomLeft", Align.bottomLeft);
          sMap.put("bottomCenter", Align.bottom);
          sMap.put("bottomRight", Align.bottomRight);
          sMap.put("centerLeft", Align.left);
          sMap.put("center", Align.center);
          sMap.put("centerRight", Align.right);
          sMap.put("topLeft", Align.topLeft);
          sMap.put("topCenter", Align.top);
          sMap.put("topRight", Align.topRight);
      }
  
      AlignmentArgumentDefinition() {
          super(Integer.TYPE, null);
      }
  
      @Override
      public Object parse(StreamTokenizer tokenizer, DimensionParser dimParser)
              throws AnimScriptLoader.SyntaxException {
          try {
              tokenizer.nextToken();
          } catch (IOException e) {
              throw new AnimScriptLoader.SyntaxException(tokenizer, "Missing token for argument");
          }
          if (tokenizer.ttype != StreamTokenizer.TT_WORD) {
              throw new AnimScriptLoader.SyntaxException(
                      tokenizer, "No value set for this argument, which has no default value");
          }
          Integer value = sMap.get(tokenizer.sval);
          if (value == null) {
              throw new AnimScriptLoader.SyntaxException(
                      tokenizer, "Invalid alignment value: " + tokenizer.sval);
          }
          return value;
      }
  }
  