com.google.common.css.compiler.ast.CssRefinerNode Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of closure-stylesheets Show documentation

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.

There is a newer version: 20160212

Show newest version

/*
 * Copyright 2008 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.css.SourceCodeLocation;
import com.google.common.css.compiler.ast.CssSelectorNode.Specificity;

/**
 * A node representing a refiner of a selector in the AST.
 * Examples: .class, #id,
 * :nth-child(2n+1), :not(#id)
 *
 * @author [email protected] (Oana Florescu)
 * @author [email protected] (Florian Benz)
 */
public abstract class CssRefinerNode extends CssNode {
  /** Type of refiner. */
  protected Refiner refinerType;
  /** Name of the refiner. */
  protected String refinerName;

  /**
   * Contains the list of all possible CSS refiners.
   */
  // TODO(fbenz): The handling of the pre- and suffixes should be moved to
  // the corresponding classes.
  public enum Refiner {
    CLASS(".", ""),
    ID("#", ""),
    PSEUDO_CLASS(":", ""),
    PSEUDO_ELEMENT("::", ""),
    ATTRIBUTE("[", "]");

    private final String prefix;
    private final String suffix;

    private Refiner(String prefix, String suffix) {
      this.prefix = prefix;
      this.suffix = suffix;
    }

    @Override
    public String toString() {
      return prefix + suffix;
    }

    public String getPrefix() {
      return prefix;
    }

    public String getSuffix() {
      return suffix;
    }
  }

  protected CssRefinerNode(Refiner refinerType,
      String refinerName, SourceCodeLocation sourceCodeLocation) {
    super(sourceCodeLocation);
    this.refinerType = refinerType;
    this.refinerName = refinerName;
  }

  public String getRefinerName() {
    return refinerName;
  }

  public Refiner getRefinerType() {
    return refinerType;
  }

  public String getPrefix() {
    return refinerType.getPrefix();
  }

  public String getSuffix() {
    return refinerType.getSuffix();
  }

  public abstract Specificity getSpecificity();

  @Override
  public String toString() {
    return refinerType.getPrefix() + refinerName + refinerType.getSuffix();
  }
}