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/*
 * Distributed as part of mchange-commons-scala v0.4.0
 *
 * Copyright (C) 2015 Machinery For Change, Inc.
 *
 * Author: Steve Waldman 
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of EITHER:
 *
 *     1) The GNU Lesser General Public License (LGPL), version 2.1, as 
 *        published by the Free Software Foundation
 *
 * OR
 *
 *     2) The Eclipse Public License (EPL), version 1.0
 *
 * You may choose which license to accept if you wish to redistribute
 * or modify this work. You may offer derivatives of this work
 * under the license you have chosen, or you may provide the same
 * choice of license which you have been offered here.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 * You should have received copies of both LGPL v2.1 and EPL v1.0
 * along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
 * If not, the text of these licenses are currently available at
 *
 * LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
 *  EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php 
 * 
 */

package com.mchange.sc.v1.parsing;

import scala.util.parsing.combinator.RegexParsers;
  
class CsvParser extends RegexParsers
{
  override def skipWhitespace = false;

  def EOL : Parser[String]               = "\r" ||| "\n" ||| "\r\n"; 
  def datum : Parser[String]             = "" ||| ("""[^\042\r\n,][^\r\n,]*""".r | """(?s)\042.*?(? qs.substring(1, qs.length-1) )) ;
  def lineData : Parser[List[String]]    = rep1sep( datum, ",");
  def line : Parser[List[String]]        = lineData <~ opt(EOL);
  def lines : Parser[List[List[String]]] = repsep(lineData, EOL) <~ opt(EOL);
}