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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
*
* Copyright (C) 2007 Andreas Obergrusberger <tradiaz@yahoo.de>
* Copyright (C) 2008-2010 Valeriy Lyasotskiy <onestep@ukr.net>
* Copyright (C) 2010-2011 Jonathan Conder <jonno.conder@gmail.com>
*
* Licensed under the GNU General Public License Version 2
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <gio/gio.h>
#include <string.h>
#include "pk-backend-groups.h"
static GHashTable *grps = NULL;
static PkBitfield groups = 0;
static GHashTable *
group_map_new (GError **error)
{
GHashTable *map;
GFile *file;
GFileInputStream *is;
GDataInputStream *input;
GError *e = NULL;
g_debug ("reading group map from %s", PK_BACKEND_GROUP_FILE);
file = g_file_new_for_path (PK_BACKEND_GROUP_FILE);
is = g_file_read (file, NULL, &e);
if (is == NULL) {
g_object_unref (file);
g_propagate_error (error, e);
return NULL;
}
map = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, NULL);
input = g_data_input_stream_new (G_INPUT_STREAM (is));
/* read groups line by line, ignoring comments */
while (TRUE) {
PkGroupEnum group;
gchar *key, *value;
value = g_data_input_stream_read_line (input, NULL, NULL, &e);
if (value != NULL) {
g_strstrip (value);
} else {
break;
}
if (*value == '\0' || *value == '#') {
g_free (value);
continue;
}
/* line format: grp (space|tab)+ group */
key = strsep (&value, " ");
g_strchomp (key);
if (value == NULL) {
/* safe to cast as it is never freed or modified */
value = (gchar *) "other";
group = PK_GROUP_ENUM_OTHER;
} else {
g_strchug (value);
group = pk_group_enum_from_string (value);
}
if (group != PK_GROUP_ENUM_UNKNOWN) {
/* key and value are allocated together */
g_hash_table_replace (map, key, value);
pk_bitfield_add (groups, group);
}
}
g_object_unref (input);
g_object_unref (is);
g_object_unref (file);
if (e != NULL) {
g_hash_table_unref (map);
g_propagate_error (error, e);
return NULL;
} else {
return map;
}
}
gboolean
pk_backend_initialize_groups (PkBackend *self, GError **error)
{
g_return_val_if_fail (self != NULL, FALSE);
grps = group_map_new (error);
return (grps != NULL);
}
void
pk_backend_destroy_groups (PkBackend *self)
{
g_return_if_fail (self != NULL);
if (grps != NULL) {
g_hash_table_unref (grps);
}
}
const gchar *
alpm_pkg_get_group (pmpkg_t *pkg)
{
const alpm_list_t *i;
g_return_val_if_fail (pkg != NULL, NULL);
g_return_val_if_fail (grps != NULL, NULL);
/* use the first group that we recognise */
for (i = alpm_pkg_get_groups (pkg); i != NULL; i = i->next) {
gpointer value = g_hash_table_lookup (grps, i->data);
if (value != NULL) {
return (const gchar *) value;
}
}
return "other";
}
PkBitfield
pk_backend_get_groups (PkBackend *self)
{
g_return_val_if_fail (self != NULL, 0);
return groups;
}
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