com.github.sommeri.sourcemap.SourceMapping Maven / Gradle / Ivy

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Less language is an extension of css and less4j compiles it into regular css. It adds several dynamic features into css: variables, expressions, nested rules. Less4j is a port. The original compiler was written in JavaScript and is called less.js. The less language is mostly defined in less.js documentation/issues and by what less.js actually do. Links to less.js: * home page: http://lesscss.org/ * source code & issues: https://github.com/cloudhead/less.js

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/*
 * Copyright 2009 The Closure Compiler Authors.
 *
 * 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.github.sommeri.sourcemap;

import com.github.sommeri.sourcemap.Mapping.OriginalMapping;

/**
 * Interface for provide a way of mapping (line, column) positions back to
 * positions in the original (uncompiled) source code.
 *
 */
public interface SourceMapping {
  /**
   * Returns the original mapping for the line number and column position found
   * in the source map. Returns null if none is found.
   *
   * @param lineNumber The line number, with the first being '1'.
   * @param columnIndex The column index, with the first being '1'.
   */
  OriginalMapping getMappingForLine(int lineNumber, int columnIndex);
}