257 lines
8.2 KiB
C
257 lines
8.2 KiB
C
/*
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* Copyright (C) 2011 Colin Walters <walters@verbum.org>
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*
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* SPDX-License-Identifier: LGPL-2.0+
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Colin Walters <walters@verbum.org>
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*/
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#include "config.h"
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#include "otutil.h"
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#include <string.h>
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gboolean
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ot_keyfile_get_boolean_with_default (GKeyFile *keyfile,
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const char *section,
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const char *value,
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gboolean default_value,
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gboolean *out_bool,
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GError **error)
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{
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g_return_val_if_fail (keyfile != NULL, FALSE);
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g_return_val_if_fail (section != NULL, FALSE);
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g_return_val_if_fail (value != NULL, FALSE);
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GError *temp_error = NULL;
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gboolean ret_bool = g_key_file_get_boolean (keyfile, section, value, &temp_error);
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if (temp_error)
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{
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if (g_error_matches (temp_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND))
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{
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g_clear_error (&temp_error);
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ret_bool = default_value;
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}
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else
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{
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g_propagate_error (error, temp_error);
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return FALSE;
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}
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}
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*out_bool = ret_bool;
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return TRUE;
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}
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gboolean
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ot_keyfile_get_value_with_default (GKeyFile *keyfile,
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const char *section,
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const char *value,
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const char *default_value,
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char **out_value,
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GError **error)
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{
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g_return_val_if_fail (keyfile != NULL, FALSE);
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g_return_val_if_fail (section != NULL, FALSE);
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g_return_val_if_fail (value != NULL, FALSE);
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GError *temp_error = NULL;
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g_autofree char *ret_value = g_key_file_get_value (keyfile, section, value, &temp_error);
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if (temp_error)
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{
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if (g_error_matches (temp_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_KEY_NOT_FOUND))
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{
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g_clear_error (&temp_error);
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g_assert (ret_value == NULL);
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ret_value = g_strdup (default_value);
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}
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else
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{
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g_propagate_error (error, temp_error);
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return FALSE;
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}
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}
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ot_transfer_out_value(out_value, &ret_value);
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return TRUE;
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}
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gboolean
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ot_keyfile_get_value_with_default_group_optional (GKeyFile *keyfile,
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const char *section,
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const char *value,
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const char *default_value,
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char **out_value,
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GError **error)
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{
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g_return_val_if_fail (keyfile != NULL, FALSE);
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g_return_val_if_fail (section != NULL, FALSE);
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g_return_val_if_fail (value != NULL, FALSE);
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GError *local_error = NULL;
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g_autofree char *ret_value = NULL;
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if (!ot_keyfile_get_value_with_default (keyfile, section, value, default_value, &ret_value, &local_error))
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{
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if (g_error_matches (local_error, G_KEY_FILE_ERROR, G_KEY_FILE_ERROR_GROUP_NOT_FOUND))
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{
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g_clear_error (&local_error);
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ret_value = g_strdup (default_value);
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}
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else
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{
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g_propagate_error (error, local_error);
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return FALSE;
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}
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}
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ot_transfer_out_value(out_value, &ret_value);
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return TRUE;
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}
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/* Read the value of key as a string. If the value string contains
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* zero or one of the separators and none of the others, read the
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* string as a NULL-terminated array out_value. If the value string
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* contains multiple of the separators, give an error.
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*
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* Returns TRUE on success, FALSE on error. */
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gboolean
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ot_keyfile_get_string_list_with_separator_choice (GKeyFile *keyfile,
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const char *section,
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const char *key,
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const char *separators,
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char ***out_value,
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GError **error)
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{
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g_return_val_if_fail (keyfile != NULL, FALSE);
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g_return_val_if_fail (section != NULL, FALSE);
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g_return_val_if_fail (key != NULL, FALSE);
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g_return_val_if_fail (separators != NULL, FALSE);
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g_autofree char *value_str = NULL;
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if (!ot_keyfile_get_value_with_default (keyfile, section, key, NULL,
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&value_str, error))
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return FALSE;
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g_auto(GStrv) value_list = NULL;
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if (value_str)
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{
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gchar sep = '\0';
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guint sep_count = 0;
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for (size_t i = 0; i < strlen (separators) && sep_count <= 1; i++)
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{
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if (strchr (value_str, separators[i]))
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{
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sep_count++;
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sep = separators[i];
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}
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}
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if (sep_count == 0)
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{
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value_list = g_new (gchar *, 2);
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value_list[0] = g_steal_pointer (&value_str);
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value_list[1] = NULL;
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}
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else if (sep_count == 1)
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{
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if (!ot_keyfile_get_string_list_with_default (keyfile, section, key,
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sep, NULL, &value_list, error))
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return FALSE;
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}
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else
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{
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return glnx_throw (error, "key value list contains more than one separator");
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}
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}
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ot_transfer_out_value (out_value, &value_list);
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return TRUE;
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}
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gboolean
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ot_keyfile_get_string_list_with_default (GKeyFile *keyfile,
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const char *section,
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const char *key,
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char separator,
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char **default_value,
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char ***out_value,
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GError **error)
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{
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g_autoptr(GError) temp_error = NULL;
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g_return_val_if_fail (keyfile != NULL, FALSE);
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g_return_val_if_fail (section != NULL, FALSE);
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g_return_val_if_fail (key != NULL, FALSE);
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g_key_file_set_list_separator (keyfile, separator);
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g_auto(GStrv) ret_value = g_key_file_get_string_list (keyfile, section,
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key, NULL, &temp_error);
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if (temp_error)
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{
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if (g_error_matches (temp_error, G_KEY_FILE_ERROR,
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G_KEY_FILE_ERROR_KEY_NOT_FOUND))
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{
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g_clear_error (&temp_error);
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ret_value = g_strdupv (default_value);
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}
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else
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{
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g_propagate_error (error, g_steal_pointer (&temp_error));
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return FALSE;
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}
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}
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ot_transfer_out_value (out_value, &ret_value);
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return TRUE;
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}
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gboolean
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ot_keyfile_copy_group (GKeyFile *source_keyfile,
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GKeyFile *target_keyfile,
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const char *group_name)
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{
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g_auto(GStrv) keys = NULL;
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gsize length, ii;
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gboolean ret = FALSE;
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g_return_val_if_fail (source_keyfile != NULL, ret);
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g_return_val_if_fail (target_keyfile != NULL, ret);
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g_return_val_if_fail (group_name != NULL, ret);
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keys = g_key_file_get_keys (source_keyfile, group_name, &length, NULL);
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if (keys == NULL)
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goto out;
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for (ii = 0; ii < length; ii++)
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{
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g_autofree char *value = NULL;
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value = g_key_file_get_value (source_keyfile, group_name, keys[ii], NULL);
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g_key_file_set_value (target_keyfile, group_name, keys[ii], value);
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}
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ret = TRUE;
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out:
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return ret;
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}
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