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/* From: gkeyfile.c - key file parser
*
* Copyright 2004 Red Hat, Inc.
* Copyright 2009-2010 Collabora Ltd.
* Copyright 2009 Nokia Corporation
*
* Written by Ray Strode <rstrode@redhat.com>
* Matthias Clasen <mclasen@redhat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include <glib.h>
gchar *
gg_key_file_parse_string_as_value (const gchar *string, const gchar list_separator)
{
gchar *value, *p, *q;
gsize length;
gboolean parsing_leading_space;
length = strlen (string) + 1;
/* Worst case would be that every character needs to be escaped.
* In other words every character turns to two characters. */
value = g_new (gchar, 2 * length);
p = (gchar *) string;
q = value;
parsing_leading_space = TRUE;
while (p < (string + length - 1))
{
gchar escaped_character[3] = { '\\', 0, 0 };
switch (*p)
{
case ' ':
if (parsing_leading_space)
{
escaped_character[1] = 's';
strcpy (q, escaped_character);
q += 2;
}
else
{
*q = *p;
q++;
}
break;
case '\t':
if (parsing_leading_space)
{
escaped_character[1] = 't';
strcpy (q, escaped_character);
q += 2;
}
else
{
*q = *p;
q++;
}
break;
case '\n':
escaped_character[1] = 'n';
strcpy (q, escaped_character);
q += 2;
break;
case '\r':
escaped_character[1] = 'r';
strcpy (q, escaped_character);
q += 2;
break;
case '\\':
escaped_character[1] = '\\';
strcpy (q, escaped_character);
q += 2;
parsing_leading_space = FALSE;
break;
default:
if (list_separator && *p == list_separator)
{
escaped_character[1] = list_separator;
strcpy (q, escaped_character);
q += 2;
parsing_leading_space = TRUE;
}
else
{
*q = *p;
q++;
parsing_leading_space = FALSE;
}
break;
}
p++;
}
*q = '\0';
return value;
}
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