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/*
* pa-sink-ctl - NCurses based Pulseaudio control client
* Copyright (C) 2011 Benjamin Franzke <benjaminfranzke@googlemail.com>
*
* 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, either version 3 of the License, or
* (at your option) any later version.
*
* 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 <glib.h>
#include <string.h>
#include "pa-sink-ctl.h"
#include "config.h"
#include "command.h"
static int
parse_priorities(struct config *cfg)
{
gchar **groups;
struct priority p;
gsize i, length;
GError *error = NULL;
groups = g_key_file_get_groups(cfg->keyfile, &length);
for (i = 0; i < length; ++i) {
if (strncmp(groups[i], "priority", 8) != 0)
continue;
memset(&p, 0, sizeof p);
p.match = g_key_file_get_value(cfg->keyfile, groups[i],
"match", &error);
if (error)
goto error;
p.value = g_key_file_get_value(cfg->keyfile, groups[i],
"value", &error);
if (error)
goto error;
p.priority = g_key_file_get_integer(cfg->keyfile, groups[i],
"priority", &error);
if (error)
goto error;
list_append_struct(cfg->priorities, p);
}
g_strfreev(groups);
return 0;
error:
if (p.value)
g_free(p.value);
if (p.match)
g_free(p.match);
g_printerr("Failed to read property in prioritiy group '%s': %s\n",
groups[i], error->message);
g_strfreev(groups);
return -1;
}
static void
destroy_priority(gpointer data)
{
struct priority *p = data;
g_free(p->value);
g_free(p->match);
g_free(p);
}
static int
read_settings(struct config *cfg)
{
GError *error = NULL;
cfg->name_props =
g_key_file_get_string_list(cfg->keyfile, "pa-sink-ctl",
"name-properties", NULL, &error);
/* Can be ignored if not found. */
if (error)
error = NULL;
return 0;
}
static unsigned int
read_int(const char *string)
{
unsigned int value;
if (string[1] == 'x')
sscanf(string, "%x", &value);
else
sscanf(string, "%o", &value);
return value;
}
static int
read_input_mappings(struct config *cfg)
{
int i, j;
gchar **list;
GError *error = NULL;
cfg->keymap = g_hash_table_new(g_direct_hash, g_direct_equal);
if (cfg->keymap == NULL)
return -1;
for (i = 0; command_cbs[i].command; ++i) {
const char *attrib = command_cbs[i].command;
error = NULL;
list = g_key_file_get_string_list(cfg->keyfile, "input",
attrib, NULL, &error);
if (error) {
g_printerr("error reading keymap for '%s': %s\n",
attrib, error->message);
return -1;
}
for (j = 0; list[j]; ++j) {
int key;
if (strlen(list[j]) == 0)
continue;
if (strlen(list[j]) > 2 && list[j][0] == '0') {
key = read_int(list[j]);
} else
key = list[j][0];
g_hash_table_insert(cfg->keymap, GINT_TO_POINTER(key),
&command_cbs[i]);
}
g_strfreev(list);
}
return 0;
}
int
config_init(struct config *cfg)
{
/* FIXME: Not a nicer method available in glib? */
const gchar *home_dirs[] = { g_get_user_config_dir(), NULL };
const gchar * const * dirs_array[] = { home_dirs, g_get_system_config_dirs() };
GError *error;
gsize i;
memset(cfg, 0, sizeof *cfg);
cfg->keyfile = g_key_file_new();
cfg->priorities = NULL;
for (i = 0; i < G_N_ELEMENTS(dirs_array); ++i) {
error = NULL;
if (g_key_file_load_from_dirs(cfg->keyfile,
"pa-sink-ctl/config",
(const gchar **) dirs_array[i],
NULL, G_KEY_FILE_NONE, &error)
&& !error)
break;
}
if (error) {
g_printerr("Failed to open config file: %s\n",
error->message);
return -1;
}
if (read_settings(cfg) < 0)
return -1;
if (parse_priorities(cfg) < 0)
return -1;
if (read_input_mappings(cfg) < 0)
return -1;
return 0;
}
void
config_uninit(struct config *cfg)
{
g_list_free_full(cfg->priorities, destroy_priority);
g_hash_table_destroy(cfg->keymap);
g_strfreev(cfg->name_props);
g_key_file_free(cfg->keyfile);
}
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