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/*
 * Copyright 2016 Objectos, Fábrica de Software LTDA.
 *
 * 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 br.com.objectos.html.io;

/**
 * @author [email protected] (Marcio Endo)
 */
class AttributeNameAction extends AbstractAction {

  private final TagType type;

  private AttributeNameAction(TagParser parser, TagType type) {
    super(parser);
    this.type = type;
  }

  public static Action of(TagParser parser, TagType type) {
    return new AttributeNameAction(parser, type);
  }

  @Override
  Action computeNext(TagParser parser) {
    while (parser.hasNext()) {
      parser.consume();

      if (parser.matches(HtmlKeywords.equalsSign())) {
        parser.deleteKeyword(HtmlKeywords.equalsSign());
        parser.setAttributeName();
        return AttributeValueAction.of(parser, type);
      }

      if (parser.matches(HtmlKeywords.close())) {
        parser.deleteKeyword(HtmlKeywords.close());
        return type.onClose(parser);
      }
    }
    return null;
  }

}