//
// QuotedStringList.cc
//
// QuotedStringList: Fed with a string it will extract separator delimited
//                   words and store them in a list. The words may be 
//                   delimited by " or ', hence the name.
//
// Part of the ht://Dig package   <http://www.htdig.org/>
// Copyright (c) 1999-2004 The ht://Dig Group
// For copyright details, see the file COPYING in your distribution
// or the GNU Library General Public License (LGPL) version 2 or later 
// <http://www.gnu.org/copyleft/lgpl.html>
//
// $Id: QuotedStringList.cc,v 1.7 2004/05/28 13:15:21 lha Exp $
//

#ifdef HAVE_CONFIG_H
#include "htconfig.h"
#endif /* HAVE_CONFIG_H */

#include "QuotedStringList.h"


//*****************************************************************************
QuotedStringList::QuotedStringList()
{
}

//*****************************************************************************
int
QuotedStringList::Create(const char *str, const char *sep, int single)
{
    char	quote = 0;
    int		quoted = 0;
    String	word;

    while (str && *str)
    {
	if (*str == '\\')
	{
	    if (!str[1])
		break;
	    word << *++str;
	}
	else if (*str == quote)
	{
	    quote = 0;
	}
	else if (!quote && (*str == '"' || *str == '\''))
	{
	    quote = *str;
	    quoted++;
	}
	else if (quote == 0 && strchr(sep, *str))
	{
	    Add(new String(word));
	    word = 0;
	    quoted = 0;
	    if (!single)
	    {
		while (strchr(sep, *str))
		    str++;
		str--;
	    }
	}
	else
	    word << *str;
	str++;
    }

    //
    // Add the last word to the list
    //
    if (word.length() || quoted)
	Add(new String(word));
    return Count();
}


//*****************************************************************************
int
QuotedStringList::Create(const char *str, char sep, int single)
{
    char	t[2] = "1";

    t[0] = sep;
    return Create(str, t, single);
}