CLObject.java

/*
 * Copyright (C) 2021 The Android Open Source Project
 *
 * 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 androidx.constraintlayout.core.parser;

import java.util.Iterator;

public class CLObject extends CLContainer implements Iterable<CLKey>{

  public CLObject(char[] content) {
    super(content);
  }

  public static CLObject allocate(char[] content) {
    return new CLObject(content);
  }

  public String toJSON() {
    StringBuilder json = new StringBuilder(getDebugName() + "{ ");
    boolean first = true;
    for (CLElement element : mElements) {
      if (!first) {
        json.append(", ");
      } else {
        first = false;
      }
      json.append(element.toJSON());
    }
    json.append(" }");
    return json.toString();
  }

  public String toFormattedJSON() {
    return toFormattedJSON(0, 0);
  }

  public String toFormattedJSON(int indent, int forceIndent) {
    StringBuilder json = new StringBuilder(getDebugName());
    json.append("{\n");
    boolean first = true;
    for (CLElement element : mElements) {
      if (!first) {
        json.append(",\n");
      } else {
        first = false;
      }
      json.append(element.toFormattedJSON(indent + BASE_INDENT, forceIndent - 1));
    }
    json.append("\n");
    addIndent(json, indent);
    json.append("}");
    return json.toString();
  }

  @Override
  public Iterator iterator() {
    return new CLObjectIterator(this);
  }

  private class CLObjectIterator implements Iterator {
    CLObject myObject;
    int index = 0;
    public CLObjectIterator(CLObject clObject) {
      myObject = clObject;
    }

    @Override
    public boolean hasNext() {
      return index < myObject.size();
    }

    @Override
    public Object next() {
      CLKey key = (CLKey) myObject.mElements.get(index);
      index++;
      return key;
    }
  }
}