io.github.ericmedvet.jgea.experimenter.builders.Grammars Maven / Gradle / Ivy

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Experimenter tool based on jgea and textual config files (with jnb).

The newest version!

/*-
 * ========================LICENSE_START=================================
 * jgea-experimenter
 * %%
 * Copyright (C) 2018 - 2024 Eric Medvet
 * %%
 * 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.
 * =========================LICENSE_END==================================
 */

package io.github.ericmedvet.jgea.experimenter.builders;

import io.github.ericmedvet.jgea.core.representation.grammar.grid.GridGrammar;
import io.github.ericmedvet.jnb.core.Cacheable;
import io.github.ericmedvet.jnb.core.Discoverable;
import io.github.ericmedvet.jnb.core.Param;
import java.io.IOException;

@Discoverable(prefixTemplate = "ea.grammar")
public class Grammars {

  private Grammars() {}

  @SuppressWarnings("unused")
  @Cacheable
  public static GridGrammar gridBundled(@Param("name") String name) {
    try {
      return GridGrammar.load(GridGrammar.class.getResourceAsStream("/grammars/2d/" + name + ".bnf"))
          .map(s -> s == null ? null : s.charAt(0));
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
}