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/* GTK - The GIMP Toolkit
* Copyright 1998-2002 Tim Janik, Red Hat, Inc., and others.
* Copyright (C) 2003 Alex Graveley
*
* 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 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 "config.h"
#include <string.h>
#include "gtksettings.h"
#include "gtkdebug.h"
#include "gtkprivate.h"
#include "gtkmodulesprivate.h"
#include <gmodule.h>
static char *
gtk_trim_string (const char *str)
{
int len;
g_return_val_if_fail (str != NULL, NULL);
while (*str && g_ascii_isspace (*str))
str++;
len = strlen (str);
while (len > 0 && g_ascii_isspace (str[len - 1]))
len--;
return g_strndup (str, len);
}
static char **
split_file_list (const char *str)
{
int i = 0;
int j;
char **files;
files = g_strsplit (str, G_SEARCHPATH_SEPARATOR_S, -1);
while (files[i])
{
char *file = gtk_trim_string (files[i]);
/* If the resulting file is empty, skip it */
if (file[0] == '\0')
{
g_free (file);
g_free (files[i]);
for (j = i + 1; files[j]; j++)
files[j - 1] = files[j];
files[j - 1] = NULL;
continue;
}
#ifndef G_OS_WIN32
/* '~' is a quite normal and common character in file names on
* Windows, especially in the 8.3 versions of long file names, which
* still occur now and then. Also, few Windows user are aware of the
* Unix shell convention that '~' stands for the home directory,
* even if they happen to have a home directory.
*/
if (file[0] == '~' && file[1] == G_DIR_SEPARATOR)
{
char *tmp = g_strconcat (g_get_home_dir(), file + 1, NULL);
g_free (file);
file = tmp;
}
else if (file[0] == '~' && file[1] == '\0')
{
g_free (file);
file = g_strdup (g_get_home_dir ());
}
#endif
g_free (files[i]);
files[i] = file;
i++;
}
return files;
}
static char **
get_module_path (void)
{
const char *module_path_env;
const char *exe_prefix;
char *module_path;
char *default_dir;
static char **result = NULL;
if (result)
return result;
module_path_env = g_getenv ("GTK_PATH");
exe_prefix = g_getenv ("GTK_EXE_PREFIX");
if (exe_prefix)
default_dir = g_build_filename (exe_prefix, "lib", "gtk-4.0", NULL);
else
default_dir = g_build_filename (_gtk_get_libdir (), "gtk-4.0", NULL);
if (module_path_env)
module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
module_path_env, default_dir, NULL);
else
module_path = g_build_path (G_SEARCHPATH_SEPARATOR_S,
default_dir, NULL);
g_free (default_dir);
result = split_file_list (module_path);
g_free (module_path);
return result;
}
/**
* _gtk_get_module_path:
* @type: the type of the module, for instance 'modules', 'engines', immodules'
*
* Determines the search path for a particular type of module.
*
* Returns: the search path for the module type. Free with g_strfreev().
**/
char **
_gtk_get_module_path (const char *type)
{
char **paths = get_module_path ();
char **path;
char **result;
int count = 0;
count = g_strv_length (paths);
result = g_new (char *, count * 4 + 1);
count = 0;
for (path = paths; *path; path++)
{
result[count++] = g_build_filename (*path, GTK_BINARY_VERSION, GTK_HOST, type, NULL);
result[count++] = g_build_filename (*path, GTK_BINARY_VERSION, type, NULL);
result[count++] = g_build_filename (*path, GTK_HOST, type, NULL);
result[count++] = g_build_filename (*path, type, NULL);
}
result[count++] = NULL;
return result;
}
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