Desktop

/* $Id: url.c,v 1.6 2011/02/18 23:41:55 khorben Exp $ */
/* Copyright (c) 2010 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Surfer */
/* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <string.h>
#include <ctype.h>
#include <glib.h>
/* ghtml_make_url */
static gchar * _ghtml_make_url(gchar const * base, gchar const * url)
{
char * b;
char * p;
if(url == NULL)
return NULL;
for(; isspace(*url); url++);
/* XXX use a more generic protocol finder (strchr(':')) */
if(strncmp("about:", url, 6) == 0)
return g_strdup(url);
if(strncmp("ftp://", url, 6) == 0)
return g_strdup(url);
if(strncmp("http://", url, 7) == 0)
return g_strdup(url);
if(strncmp("https://", url, 8) == 0)
return g_strdup(url);
if(strncmp("mailto:", url, 7) == 0)
return g_strdup(url);
if(base != NULL)
{
if(url[0] == '/')
{
if(strncmp("http://", base, 7) == 0)
{
if((b = g_strdup(base)) == NULL)
return NULL;
if((p = strchr(&b[7], '/')) != NULL)
{
*p = '\0';
p = g_strdup_printf("%s%s", b, url);
g_free(b);
return p;
}
g_free(b);
}
/* FIXME implement other protocols */
return g_strdup_printf("%s%s", base, url);
}
/* construct from basename */
if((b = g_strdup(base)) == NULL)
return NULL;
p = b;
/* FIXME implement other protocols */
if(strncmp("http://", p, 7) == 0)
p += 7;
if((p = strrchr(p, '/')) != NULL)
*p = '\0';
p = g_strdup_printf("%s/%s", b, url);
g_free(b);
return p;
}
/* base is NULL, url is not NULL */
if(url[0] == '/')
return g_strdup(url);
/* guess protocol */
if(strncmp("ftp", url, 3) == 0)
return g_strdup_printf("%s%s", "ftp://", url);
/* FIXME guess http only for "www.*"? we're already in GNet...? */
return g_strdup_printf("%s%s", "http://", url);
}