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LESS compiler in Java based on less.js

There is a newer version: 1.7.2

/**
 * Copyright (c) 2014 SQUARESPACE, 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.squarespace.less.parse;

import com.squarespace.less.core.CharClass;
import com.squarespace.less.model.Keyword;
import com.squarespace.less.model.Node;
import com.squarespace.less.model.RGBColor;


public class KeywordParselet implements Parselet {

  @Override
  public Node parse(LessStream stm) {
    if (!CharClass.keywordStart(stm.peek()) || !stm.matchKeyword()) {
      return null;
    }

    String token = stm.token();
    RGBColor color = RGBColor.fromName(token);
    if (color != null) {
      return color;
    }
    return new Keyword(stm.token());
  }

}