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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 org.apache.spark.util

/**
 * Utils for handling schemas.
 */
private[spark] object SparkSchemaUtils {
  /**
   * @param str The string to be escaped.
   * @return The escaped string.
   */
  def escapeMetaCharacters(str: String): String = {
    str.replaceAll("\n", "\\\\n")
      .replaceAll("\r", "\\\\r")
      .replaceAll("\t", "\\\\t")
      .replaceAll("\f", "\\\\f")
      .replaceAll("\b", "\\\\b")
      .replaceAll("\u000B", "\\\\v")
      .replaceAll("\u0007", "\\\\a")
  }
}