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

Go to download

Show more of this group Show more artifacts with this name
Show all versions of less-compiler Show documentation

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.Dimension;
import com.squarespace.less.model.Node;
import com.squarespace.less.model.Unit;


/**
 * Parse numbers with optional units.
 */
public class DimensionParselet implements Parselet {

  @Override
  public Node parse(LessStream stm) {
    if (!CharClass.dimensionStart(stm.peek()) || !stm.matchDimensionValue()) {
      return null;
    }
    String value = stm.token();

    Unit unit = null;
    if (stm.matchDimensionUnit()) {
      unit = Unit.get(stm.token());
    }

    return new Dimension(Double.parseDouble(value), unit);
  }

}