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 java.io.StreamTokenizer;
  import java.lang.reflect.Method;
  
  class BasicInstructionDefinition implements InstructionDefinition {
      private final Object mInstance;
      private final Method mMethod;
      private final ArgumentDefinition<?>[] mArgumentDefinitions;
  
      BasicInstructionDefinition(
              Object instance, Method method, ArgumentDefinition<?>... argumentDefinitions) {
          mInstance = instance;
          mMethod = method;
          mArgumentDefinitions = argumentDefinitions;
      }
  
      BasicInstructionDefinition(Method method, ArgumentDefinition<?>... argumentDefinitions) {
          mInstance = null;
          mMethod = method;
          mArgumentDefinitions = argumentDefinitions;
      }
  
      /* (non-Javadoc)
       * @see com.agateau.ui.animscript.InstructionDefinition#parse(java.io.StreamTokenizer)
       */
      @Override
      public Instruction parse(StreamTokenizer tokenizer, DimensionParser dimParser)
              throws AnimScriptLoader.SyntaxException {
          Object[] args = new Object[mArgumentDefinitions.length];
          for (int idx = 0; idx < mArgumentDefinitions.length; ++idx) {
              ArgumentDefinition<?> def = mArgumentDefinitions[idx];
              assert (def != null);
              args[idx] = def.parse(tokenizer, dimParser);
          }
          return new BasicInstruction(mInstance, mMethod, args);
      }
  }
  