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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;
    }
}