318 lines
7.4 KiB
C
318 lines
7.4 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
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*
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* Copyright (C) 2007-2008 Richard Hughes <richard@hughsie.com>
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*
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* Licensed under the GNU Lesser General Public License Version 2.1
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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 2.1 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 Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* SECTION:pk-enum
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* @short_description: Functions for converting strings to enum and vice-versa
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*
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* This file contains functions to convert to and from enumerated types.
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*/
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#include "config.h"
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#include <glib.h>
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#include <packagekit-glib2/pk-enum.h>
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#include <packagekit-glib2/pk-bitfield.h>
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/**
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* pk_bitfield_contain_priority:
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* @values: a valid bitfield instance
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* @value: the values we are searching for
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*
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* Finds elements in a list, but with priority going to the preceeding entry
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*
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* Return value: The return enumerated type, or -1 if none are found
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*
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* Since: 0.5.2
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**/
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gint
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pk_bitfield_contain_priority (PkBitfield values, gint value, ...)
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{
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va_list args;
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guint i;
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gint value_temp;
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gint retval = -1;
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/* we must query at least one thing */
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if (pk_bitfield_contain (values, value))
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return value;
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/* process the valist */
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va_start (args, value);
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for (i=0;; i++) {
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value_temp = va_arg (args, gint);
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/* do we have this one? */
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if (pk_bitfield_contain (values, value_temp)) {
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retval = value_temp;
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break;
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}
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/* end of the list */
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if (value_temp == -1)
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break;
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}
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va_end (args);
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return retval;
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}
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/**
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* pk_bitfield_from_enums:
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* @value: the values we want to add to the bitfield
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*
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* Return value: The return bitfield, or 0 if invalid
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*
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* Since: 0.5.2
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**/
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PkBitfield
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pk_bitfield_from_enums (gint value, ...)
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{
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va_list args;
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guint i;
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gint value_temp;
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PkBitfield values;
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/* we must query at least one thing */
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values = pk_bitfield_value (value);
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/* process the valist */
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va_start (args, value);
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for (i=0;; i++) {
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value_temp = va_arg (args, gint);
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if (value_temp == -1)
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break;
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values += pk_bitfield_value (value_temp);
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}
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va_end (args);
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return values;
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}
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/**
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* pk_role_bitfield_to_string:
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* @roles: The enumerated type values
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*
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* Converts a enumerated type bitfield to its text representation
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*
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* Return value: the enumerated constant value, e.g. "install-file;update-system"
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*
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* Since: 0.5.2
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**/
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gchar *
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pk_role_bitfield_to_string (PkBitfield roles)
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{
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GString *string;
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guint i;
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string = g_string_new ("");
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for (i=0; i<PK_ROLE_ENUM_LAST; i++) {
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if ((roles & pk_bitfield_value (i)) == 0)
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continue;
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g_string_append_printf (string, "%s;", pk_role_enum_to_string (i));
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}
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/* do we have a no bitfield? \n */
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if (string->len == 0) {
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g_warning ("not valid!");
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g_string_append (string, pk_role_enum_to_string (PK_ROLE_ENUM_UNKNOWN));
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} else {
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/* remove last \n */
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g_string_set_size (string, string->len - 1);
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}
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return g_string_free (string, FALSE);
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}
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/**
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* pk_role_bitfield_from_string:
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* @roles: the enumerated constant value, e.g. "search-file;update-system"
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*
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* Converts text representation to its enumerated type bitfield
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*
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* Return value: The enumerated type values, or 0 for invalid
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*
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* Since: 0.5.2
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**/
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PkBitfield
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pk_role_bitfield_from_string (const gchar *roles)
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{
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PkBitfield roles_enum = 0;
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gchar **split;
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guint length;
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guint i;
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PkRoleEnum role;
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split = g_strsplit (roles, ";", 0);
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if (split == NULL) {
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g_warning ("unable to split");
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goto out;
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}
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length = g_strv_length (split);
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for (i=0; i<length; i++) {
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role = pk_role_enum_from_string (split[i]);
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if (role != PK_ROLE_ENUM_UNKNOWN)
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roles_enum += pk_bitfield_value (role);
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}
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out:
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g_strfreev (split);
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return roles_enum;
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}
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/**
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* pk_groups_bitfield_to_string:
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* @groups: The enumerated type values
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*
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* Converts a enumerated type bitfield to its text representation
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*
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* Return value: the enumerated constant value, e.g. "gnome;kde"
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*
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* Since: 0.5.2
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**/
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gchar *
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pk_group_bitfield_to_string (PkBitfield groups)
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{
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GString *string;
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guint i;
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string = g_string_new ("");
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for (i=0; i<PK_GROUP_ENUM_LAST; i++) {
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if ((groups & pk_bitfield_value (i)) == 0)
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continue;
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g_string_append_printf (string, "%s;", pk_group_enum_to_string (i));
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}
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/* do we have a no bitfield? \n */
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if (string->len == 0) {
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g_warning ("not valid!");
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g_string_append (string, pk_group_enum_to_string (PK_GROUP_ENUM_UNKNOWN));
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} else {
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/* remove last \n */
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g_string_set_size (string, string->len - 1);
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}
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return g_string_free (string, FALSE);
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}
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/**
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* pk_group_bitfield_from_string:
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* @groups: the enumerated constant value, e.g. "available;~gui"
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*
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* Converts text representation to its enumerated type bitfield
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*
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* Return value: The enumerated type values, or 0 for invalid
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*
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* Since: 0.5.2
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**/
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PkBitfield
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pk_group_bitfield_from_string (const gchar *groups)
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{
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PkBitfield groups_enum = 0;
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gchar **split;
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guint length;
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guint i;
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PkGroupEnum group;
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split = g_strsplit (groups, ";", 0);
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if (split == NULL) {
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g_warning ("unable to split");
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goto out;
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}
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length = g_strv_length (split);
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for (i=0; i<length; i++) {
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group = pk_group_enum_from_string (split[i]);
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if (group != PK_GROUP_ENUM_UNKNOWN)
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groups_enum += pk_bitfield_value (group);
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}
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out:
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g_strfreev (split);
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return groups_enum;
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}
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/**
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* pk_filter_bitfield_to_string:
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* @filters: The enumerated type values
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*
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* Converts a enumerated type bitfield to its text representation
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*
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* Return value: the enumerated constant value, e.g. "available;~gui"
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*
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* Since: 0.5.2
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**/
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gchar *
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pk_filter_bitfield_to_string (PkBitfield filters)
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{
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GString *string;
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guint i;
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/* shortcut */
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if (filters == 0)
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return g_strdup (pk_filter_enum_to_string (PK_FILTER_ENUM_NONE));
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string = g_string_new ("");
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for (i=0; i<PK_FILTER_ENUM_LAST; i++) {
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if ((filters & pk_bitfield_value (i)) == 0)
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continue;
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g_string_append_printf (string, "%s;", pk_filter_enum_to_string (i));
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}
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/* do we have a 'none' filter? \n */
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if (string->len == 0) {
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g_warning ("not valid!");
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g_string_append (string, pk_filter_enum_to_string (PK_FILTER_ENUM_NONE));
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} else {
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/* remove last \n */
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g_string_set_size (string, string->len - 1);
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}
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return g_string_free (string, FALSE);
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}
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/**
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* pk_filter_bitfield_from_string:
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* @filters: the enumerated constant value, e.g. "available;~gui"
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*
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* Converts text representation to its enumerated type bitfield, or 0 for invalid
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*
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* Return value: The enumerated type values
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*
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* Since: 0.5.2
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**/
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PkBitfield
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pk_filter_bitfield_from_string (const gchar *filters)
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{
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PkBitfield filters_enum = 0;
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gchar **split;
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guint length;
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guint i;
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PkFilterEnum filter;
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split = g_strsplit (filters, ";", 0);
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if (split == NULL) {
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g_warning ("unable to split");
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goto out;
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}
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length = g_strv_length (split);
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for (i=0; i<length; i++) {
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filter = pk_filter_enum_from_string (split[i]);
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if (filter != PK_FILTER_ENUM_UNKNOWN)
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filters_enum += pk_bitfield_value (filter);
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}
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out:
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g_strfreev (split);
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return filters_enum;
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}
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