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/*
* Copyright (C) 2011 Colin Walters <walters@verbum.org>
*
* SPDX-License-Identifier: LGPL-2.0+
*
* 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*
* Author: Colin Walters <walters@verbum.org>
*/
#include "config.h"
#include "otutil.h"
#include <string.h>
static gboolean
is_notfound (GError *error)
{
return g_error_matches (error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND)
|| g_error_matches (error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND);
}
gboolean
ot_keyfile_get_boolean_with_default (GKeyFile *keyfile,
const char *section,
const char *value,
gboolean default_value,
gboolean *out_bool,
GError **error)
{
g_return_val_if_fail (keyfile != NULL, FALSE);
g_return_val_if_fail (section != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
GError *temp_error = NULL;
gboolean ret_bool = g_key_file_get_boolean (keyfile, section, value, &temp_error);
if (temp_error)
{
if (is_notfound (temp_error))
{
g_clear_error (&temp_error);
ret_bool = default_value;
}
else
{
g_propagate_error (error, temp_error);
return FALSE;
}
}
*out_bool = ret_bool;
return TRUE;
}
gboolean
ot_keyfile_get_value_with_default (GKeyFile *keyfile,
const char *section,
const char *value,
const char *default_value,
char **out_value,
GError **error)
{
g_return_val_if_fail (keyfile != NULL, FALSE);
g_return_val_if_fail (section != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
GError *temp_error = NULL;
g_autofree char *ret_value = g_key_file_get_value (keyfile, section, value, &temp_error);
if (temp_error)
{
if (is_notfound (temp_error))
{
g_clear_error (&temp_error);
g_assert (ret_value == NULL);
ret_value = g_strdup (default_value);
}
else
{
g_propagate_error (error, temp_error);
return FALSE;
}
}
ot_transfer_out_value(out_value, &ret_value);
return TRUE;
}
gboolean
ot_keyfile_get_value_with_default_group_optional (GKeyFile *keyfile,
const char *section,
const char *value,
const char *default_value,
char **out_value,
GError **error)
{
g_return_val_if_fail (keyfile != NULL, FALSE);
g_return_val_if_fail (section != NULL, FALSE);
g_return_val_if_fail (value != NULL, FALSE);
GError *local_error = NULL;
g_autofree char *ret_value = NULL;
if (!ot_keyfile_get_value_with_default (keyfile, section, value, default_value, &ret_value, &local_error))
{
if (g_error_matches (local_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND))
{
g_clear_error (&local_error);
ret_value = g_strdup (default_value);
}
else
{
g_propagate_error (error, local_error);
return FALSE;
}
}
ot_transfer_out_value(out_value, &ret_value);
return TRUE;
}
/* Read the value of key as a string. If the value string contains
* zero or one of the separators and none of the others, read the
* string as a NULL-terminated array out_value. If the value string
* contains multiple of the separators, give an error.
*
* Returns TRUE on success, FALSE on error. */
gboolean
ot_keyfile_get_string_list_with_separator_choice (GKeyFile *keyfile,
const char *section,
const char *key,
const char *separators,
char ***out_value,
GError **error)
{
g_return_val_if_fail (keyfile != NULL, FALSE);
g_return_val_if_fail (section != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_return_val_if_fail (separators != NULL, FALSE);
g_autofree char *value_str = NULL;
if (!ot_keyfile_get_value_with_default (keyfile, section, key, NULL,
&value_str, error))
return FALSE;
g_auto(GStrv) value_list = NULL;
if (value_str)
{
gchar sep = '\0';
guint sep_count = 0;
for (size_t i = 0; i < strlen (separators) && sep_count <= 1; i++)
{
if (strchr (value_str, separators[i]))
{
sep_count++;
sep = separators[i];
}
}
if (sep_count == 0)
{
value_list = g_new (gchar *, 2);
value_list[0] = g_steal_pointer (&value_str);
value_list[1] = NULL;
}
else if (sep_count == 1)
{
if (!ot_keyfile_get_string_list_with_default (keyfile, section, key,
sep, NULL, &value_list, error))
return FALSE;
}
else
{
return glnx_throw (error, "key value list contains more than one separator");
}
}
ot_transfer_out_value (out_value, &value_list);
return TRUE;
}
gboolean
ot_keyfile_get_string_list_with_default (GKeyFile *keyfile,
const char *section,
const char *key,
char separator,
char **default_value,
char ***out_value,
GError **error)
{
g_autoptr(GError) temp_error = NULL;
g_return_val_if_fail (keyfile != NULL, FALSE);
g_return_val_if_fail (section != NULL, FALSE);
g_return_val_if_fail (key != NULL, FALSE);
g_key_file_set_list_separator (keyfile, separator);
g_auto(GStrv) ret_value = g_key_file_get_string_list (keyfile, section,
key, NULL, &temp_error);
if (temp_error)
{
if (is_notfound (temp_error))
{
g_clear_error (&temp_error);
ret_value = g_strdupv (default_value);
}
else
{
g_propagate_error (error, g_steal_pointer (&temp_error));
return FALSE;
}
}
ot_transfer_out_value (out_value, &ret_value);
return TRUE;
}
gboolean
ot_keyfile_copy_group (GKeyFile *source_keyfile,
GKeyFile *target_keyfile,
const char *group_name)
{
g_auto(GStrv) keys = NULL;
gsize length, ii;
gboolean ret = FALSE;
g_return_val_if_fail (source_keyfile != NULL, ret);
g_return_val_if_fail (target_keyfile != NULL, ret);
g_return_val_if_fail (group_name != NULL, ret);
keys = g_key_file_get_keys (source_keyfile, group_name, &length, NULL);
if (keys == NULL)
goto out;
for (ii = 0; ii < length; ii++)
{
g_autofree char *value = NULL;
value = g_key_file_get_value (source_keyfile, group_name, keys[ii], NULL);
g_key_file_set_value (target_keyfile, group_name, keys[ii], value);
}
ret = TRUE;
out:
return ret;
}
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