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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
Copyright (C) 2000 CodeFactory AB
Copyright (C) 2000 Jonas Borgstr\366m <jonas@codefactory.se>
Copyright (C) 2000 Anders Carlsson <andersca@codefactory.se>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
*/
#include <string.h>
#include <stdio.h>
#include <glib.h>
#include "libgtkhtml/util/rfc1738.h"
gchar *
rfc1738_encode_string (const gchar *str)
{
static gchar *safe = "$-._!*(),"; /* RFC 1738 */
unsigned pos = 0;
GString *encoded = g_string_new ("");
gchar buffer[5], *ptr;
guchar c;
while ( pos < strlen(str) ) {
c = (unsigned char) str[pos];
if ( (( c >= 'A') && ( c <= 'Z')) ||
(( c >= 'a') && ( c <= 'z')) ||
(( c >= '0') && ( c <= '9')) ||
(strchr(safe, c)) )
encoded = g_string_append_c (encoded, c);
else if ( c == ' ' )
encoded = g_string_append_c (encoded, '+');
else if ( c == '\n' )
encoded = g_string_append (encoded, "%0D%0A");
else if ( c != '\r' ) {
sprintf( buffer, "%%%02X", (int)c );
encoded = g_string_append (encoded, buffer);
}
pos++;
}
ptr = encoded->str;
g_string_free (encoded, FALSE);
return ptr;
}
gchar *
rfc1738_make_full_url (const gchar *base, const gchar *rel)
{
GString *full = g_string_new ("");
gint pos;
gchar *ptr;
g_return_val_if_fail (base || rel, NULL);
if (base == NULL && rel)
return g_strdup (rel);
if (rel == NULL && base)
return g_strdup (base);
/* Looks like rel is a full url, lets use it */
if (strchr (rel, ':'))
return g_strdup (rel);
pos = strlen (base) - 1;
while (base[pos] && base[pos] != '/')
pos--;
if (base[pos]) {
g_string_append_len (full, base, pos + 1);
}
g_string_append (full, rel);
ptr = full->str;
g_string_free (full, FALSE);
/* FIXME: shorten url's with "/../" /jb */
return ptr;
}
#if 0
gint
main (gint argc, gchar **argv)
{
g_print ("url = %s\n", rfc1738_make_full_url ("http://www.gnome.org/", "foo/bar.html"));
g_print ("url = %s\n", rfc1738_make_full_url ("http://www.gnome.org/index.html", "foo/bar.html"));
g_print ("url = %s\n", rfc1738_make_full_url ("http://www.gnome.org/gtkhtml2/", "foo/bar.html"));
g_print ("url = %s\n", rfc1738_make_full_url ("http://www.gnome.org/gtkhtml2/index.html", "bar.html"));
}
#endif
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