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Closure Stylesheets is an extension to CSS that adds variables, functions, conditionals, and mixins to standard CSS. The tool also supports minification, linting, RTL flipping, and CSS class renaming.

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/*
 * Copyright 2011 Google Inc.
 *
 * 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.google.common.css.compiler.ast;

import com.google.common.base.Preconditions;
import com.google.common.css.SourceCodeLocation;

import java.util.List;

/**
 * {@link CssProvideNode} corresponds to a {@code @provide} declaration in GSS.
 *
 * @author [email protected] (Michael Bolin)
 */
public class CssProvideNode extends CssAtRuleNode implements ChunkAware {

  private final String provide;

  private Object chunk;

  public CssProvideNode(CssLiteralNode name, List comments,
      SourceCodeLocation sourceCodeLocation) {
    super(CssAtRuleNode.Type.PROVIDE,
        Preconditions.checkNotNull(name),
        Preconditions.checkNotNull(comments));
    Preconditions.checkNotNull(sourceCodeLocation);
    setSourceCodeLocation(sourceCodeLocation);
    this.provide = name.getValue();
  }

  /** Copy constructor so this can be cloned by {@link #deepCopy()}. */
  private CssProvideNode(CssProvideNode node) {
    this(node.getName(), node.getComments(), node.getSourceCodeLocation());
  }

  public String getProvide() {
    return provide;
  }

  @Override
  public CssProvideNode deepCopy() {
    return new CssProvideNode(this);
  }

  @Override
  public Object getChunk() {
    return chunk;
  }

  @Override
  public void setChunk(Object chunk) {
    this.chunk = chunk;
  }
}