com.squarespace.less.parse.UrlParselet Maven / Gradle / Ivy

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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.LessException;
import com.squarespace.less.core.CharClass;
import com.squarespace.less.model.Node;


public class UrlParselet implements Parselet {

  @Override
  public Node parse(LessStream stm) throws LessException {
    Mark mark = stm.mark();
    if (!CharClass.callStart(stm.peek()) || !stm.matchCallName()) {
      return null;
    }
    String name = stm.token();
    String nameLC = name.toLowerCase();
    if (nameLC.equals("url")) {
      Node result = FunctionCallParselet.parseUrl(stm);
      if (result != null) {
        return result;
      }
    }

    stm.restore(mark);
    return null;
  }

}