MacroAdapter.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.parser.processor;
 
import java.util.Map;
import org.turro.parser.Macro;
import org.turro.string.Strings;
import org.turro.util.Converter;
 
public class MacroAdapter {
  
  private final Macro macro;
  private final Map<String, String> parameters;
 
  public MacroAdapter(Macro macro, Map<String, String> parameters) {
    this.macro = macro;
    this.parameters = parameters;
  }
 
  public String getName() {
    return macro.getName();
  }
  
  public String getEmpty() {
    return parameters.get("void");
  }
  
  public String get(String name) {
    return parameters.getOrDefault(name, macro.getDefault(name));
  }
  
  public <R> R get(Class<R> type, String name) {
    return Converter.STANDARD.convert(get(name), type);
  }
 
  public <R> R get(Class<R> type, String name, R defaultValue) {
    String value = get(name);
    return Strings.isBlank(value) ? defaultValue : Converter.STANDARD.convert(value, type);
  }
 
}