/* this file is part of GEGL
*
* Datafiles module copyight (C) 1996 Federico Mena Quintero
* federico@nuclecu.unam.mx
*
* 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 3 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 GEGL; if not, see <http://www.gnu.org/licenses/>.
*
* Datafiles module copyight (C) 1996 Federico Mena Quintero
* federico@nuclecu.unam.mx
*/
#include "config.h"
#include <string.h>
#include <sys/types.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <glib-object.h>
#include <glib/gstdio.h>
#ifdef G_OS_WIN32
#ifndef S_ISREG
#define S_ISREG(m) (((m) & _S_IFMT) == _S_IFREG)
#endif
#ifndef S_ISDIR
#define S_ISDIR(m) (((m) & _S_IFMT) == _S_IFDIR)
#endif
#ifndef S_IXUSR
#define S_IXUSR _S_IEXEC
#endif
#endif
/*
#include "geglbasetypes.h"*/
#include "gegldatafiles.h"
gboolean
gegl_datafiles_check_extension (const gchar *filename,
const gchar *extension)
{
gint name_len;
gint ext_len;
g_return_val_if_fail (filename != NULL, FALSE);
g_return_val_if_fail (extension != NULL, FALSE);
name_len = strlen (filename);
ext_len = strlen (extension);
if (! (name_len && ext_len && (name_len > ext_len)))
return FALSE;
return (g_ascii_strcasecmp (&filename[name_len - ext_len], extension) == 0);
}
/**
* gegl_path_parse:
* @path: A list of directories separated by #G_SEARCHPATH_SEPARATOR.
* @max_paths: The maximum number of directories to return.
* @check: %TRUE if you want the directories to be checked.
* @check_failed: Returns a #GList of path elements for which the
* check failed.
*
* Returns: A #GList of all directories in @path.
**/
static GList *
gegl_path_parse (const gchar *path,
gint max_paths,
gboolean check,
GList **check_failed)
{
const gchar *home;
gchar **patharray;
GList *list = NULL;
GList *fail_list = NULL;
gint i;
gboolean exists = TRUE;
if (!path || !*path || max_paths < 1 || max_paths > 256)
return NULL;
home = g_get_home_dir ();
patharray = g_strsplit (path, G_SEARCHPATH_SEPARATOR_S, max_paths);
for (i = 0; i < max_paths; i++)
{
GString *dir;
if (! patharray[i])
break;
#ifndef G_OS_WIN32
if (*patharray[i] == '~')
{
dir = g_string_new (home);
g_string_append (dir, patharray[i] + 1);
}
else
#endif
{
dir = g_string_new (patharray[i]);
}
if (check)
exists = g_file_test (dir->str, G_FILE_TEST_IS_DIR);
if (exists)
list = g_list_prepend (list, g_strdup (dir->str));
else if (check_failed)
fail_list = g_list_prepend (fail_list, g_strdup (dir->str));
g_string_free (dir, TRUE);
}
g_strfreev (patharray);
list = g_list_reverse (list);
if (check && check_failed)
{
fail_list = g_list_reverse (fail_list);
*check_failed = fail_list;
}
return list;
}
/**
* gegl_path_free:
* @path: A list of directories as returned by gegl_path_parse().
*
* This function frees the memory allocated for the list and the strings
* it contains.
**/
static void
gegl_path_free (GList *path)
{
g_list_foreach (path, (GFunc) g_free, NULL);
g_list_free (path);
}
void
gegl_datafiles_read_directories (const gchar *path_str,
GFileTest flags,
GeglDatafileLoaderFunc loader_func,
gpointer user_data)
{
GeglDatafileData file_data;
struct stat filestat;
gchar *local_path;
GList *path;
GList *list;
gchar *filename;
gint err;
GDir *dir;
const gchar *dir_ent;
g_return_if_fail (path_str != NULL);
g_return_if_fail (loader_func != NULL);
local_path = g_strdup (path_str);
path = gegl_path_parse (local_path, 16, TRUE, NULL);
for (list = path; list; list = g_list_next (list))
{
const gchar *dirname = list->data;
dir = g_dir_open (dirname, 0, NULL);
if (dir)
{
while ((dir_ent = g_dir_read_name (dir)))
{
filename = g_build_filename (dirname, dir_ent, NULL);
err = g_stat (filename, &filestat);
file_data.filename = filename;
file_data.dirname = dirname;
file_data.basename = dir_ent;
file_data.atime = filestat.st_atime;
file_data.mtime = filestat.st_mtime;
file_data.ctime = filestat.st_ctime;
if (! err)
{
if (/*(flags & G_FILE_TEST_IS_DIR) &&*/
S_ISDIR (filestat.st_mode))
{
gegl_datafiles_read_directories (filename,
flags,
loader_func,
user_data);
}
else if (flags & G_FILE_TEST_EXISTS)
{
(* loader_func) (&file_data, user_data);
}
else if ((flags & G_FILE_TEST_IS_REGULAR) &&
S_ISREG (filestat.st_mode))
{
(* loader_func) (&file_data, user_data);
}
#ifndef G_OS_WIN32
else if ((flags & G_FILE_TEST_IS_SYMLINK) &&
S_ISLNK (filestat.st_mode))
{
(* loader_func) (&file_data, user_data);
}
#endif
else if ((flags & G_FILE_TEST_IS_EXECUTABLE) &&
(((filestat.st_mode & S_IXUSR) &&
!S_ISDIR (filestat.st_mode)) ||
(S_ISREG (filestat.st_mode) /*&&
is_script (filename)*/)))
{
(* loader_func) (&file_data, user_data);
}
}
g_free (filename);
}
g_dir_close (dir);
}
}
gegl_path_free (path);
g_free (local_path);
}