diff options
Diffstat (limited to 'panels/thunderbolt/bolt-enums.c')
| -rw-r--r-- | panels/thunderbolt/bolt-enums.c | 397 |
1 files changed, 397 insertions, 0 deletions
diff --git a/panels/thunderbolt/bolt-enums.c b/panels/thunderbolt/bolt-enums.c new file mode 100644 index 0000000..bb34ba7 --- /dev/null +++ b/panels/thunderbolt/bolt-enums.c @@ -0,0 +1,397 @@ +/* + * Copyright © 2017 Red Hat, Inc + * + * This program 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 2.1 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, see <http://www.gnu.org/licenses/>. + * + * Authors: + * Christian J. Kellner <christian@kellner.me> + */ + +#include "config.h" + +#include "bolt-enums.h" +#include "bolt-error.h" + +#include <gio/gio.h> + +#if !GLIB_CHECK_VERSION(2, 57, 0) +G_DEFINE_AUTOPTR_CLEANUP_FUNC (GEnumClass, g_type_class_unref); +G_DEFINE_AUTOPTR_CLEANUP_FUNC (GFlagsClass, g_type_class_unref); +#endif + +gboolean +bolt_enum_class_validate (GEnumClass *enum_class, + gint value, + GError **error) +{ + const char *name; + gboolean oob; + + if (enum_class == NULL) + { + name = g_type_name_from_class ((GTypeClass *) enum_class); + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "could not determine enum class for '%s'", + name); + + return FALSE; + } + + oob = value < enum_class->minimum || value > enum_class->maximum; + + if (oob) + { + name = g_type_name_from_class ((GTypeClass *) enum_class); + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "enum value '%d' is out of bounds for '%s'", + value, name); + return FALSE; + } + + return TRUE; +} + +gboolean +bolt_enum_validate (GType enum_type, + gint value, + GError **error) +{ + g_autoptr(GEnumClass) klass = g_type_class_ref (enum_type); + return bolt_enum_class_validate (klass, value, error); +} + +const char * +bolt_enum_to_string (GType enum_type, + gint value, + GError **error) +{ + g_autoptr(GEnumClass) klass = NULL; + GEnumValue *ev; + + klass = g_type_class_ref (enum_type); + + if (!bolt_enum_class_validate (klass, value, error)) + return NULL; + + ev = g_enum_get_value (klass, value); + return ev->value_nick; +} + +gint +bolt_enum_from_string (GType enum_type, + const char *string, + GError **error) +{ + g_autoptr(GEnumClass) klass = NULL; + const char *name; + GEnumValue *ev; + + klass = g_type_class_ref (enum_type); + + if (klass == NULL) + { + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "could not determine enum class"); + return -1; + } + + if (string == NULL) + { + name = g_type_name_from_class ((GTypeClass *) klass); + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "empty string passed for enum class for '%s'", + name); + return -1; + } + + ev = g_enum_get_value_by_nick (klass, string); + + if (ev == NULL) + { + name = g_type_name (enum_type); + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "invalid string '%s' for enum '%s'", string, name); + return -1; + } + + return ev->value; +} + +char * +bolt_flags_class_to_string (GFlagsClass *flags_class, + guint value, + GError **error) +{ + g_autoptr(GString) str = NULL; + const char *name; + GFlagsValue *fv; + + if (flags_class == NULL) + { + name = g_type_name_from_class ((GTypeClass *) flags_class); + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "could not determine flags class for '%s'", + name); + + return FALSE; + } + + fv = g_flags_get_first_value (flags_class, value); + if (fv == NULL) + { + if (value == 0) + return g_strdup (""); + + name = g_type_name_from_class ((GTypeClass *) flags_class); + + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "invalid value '%u' for flags '%s'", value, name); + return NULL; + } + + value &= ~fv->value; + str = g_string_new (fv->value_nick); + + while (value != 0 && + (fv = g_flags_get_first_value (flags_class, value)) != NULL) + { + g_string_append (str, " | "); + g_string_append (str, fv->value_nick); + + value &= ~fv->value; + } + + if (value != 0) + { + name = g_type_name_from_class ((GTypeClass *) flags_class); + + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "unhandled value '%u' for flags '%s'", value, name); + return NULL; + } + + return g_string_free (g_steal_pointer (&str), FALSE); +} + +gboolean +bolt_flags_class_from_string (GFlagsClass *flags_class, + const char *string, + guint *flags_out, + GError **error) +{ + g_auto(GStrv) vals = NULL; + const char *name; + guint flags = 0; + + if (flags_class == NULL) + { + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "could not determine flags class"); + + return FALSE; + } + + if (string == NULL) + { + name = g_type_name_from_class ((GTypeClass *) flags_class); + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "empty string passed for flags class for '%s'", + name); + return FALSE; + } + + vals = g_strsplit (string, "|", -1); + + for (guint i = 0; vals[i]; i++) + { + GFlagsValue *fv; + char *nick; + + nick = g_strstrip (vals[i]); + fv = g_flags_get_value_by_nick (flags_class, nick); + + if (fv == NULL) + { + name = g_type_name_from_class ((GTypeClass *) flags_class); + g_set_error (error, G_DBUS_ERROR, G_DBUS_ERROR_INVALID_ARGS, + "invalid flag '%s' for flags '%s'", string, name); + + return FALSE; + } + + flags |= fv->value; + } + + if (flags_out != NULL) + *flags_out = flags; + + return TRUE; +} + +char * +bolt_flags_to_string (GType flags_type, + guint value, + GError **error) +{ + g_autoptr(GFlagsClass) klass = NULL; + + klass = g_type_class_ref (flags_type); + return bolt_flags_class_to_string (klass, value, error); +} + +gboolean +bolt_flags_from_string (GType flags_type, + const char *string, + guint *flags_out, + GError **error) +{ + g_autoptr(GFlagsClass) klass = NULL; + + klass = g_type_class_ref (flags_type); + return bolt_flags_class_from_string (klass, string, flags_out, error); +} + +gboolean +bolt_flags_update (guint from, + guint *to, + guint mask) +{ + guint val; + gboolean chg; + + g_return_val_if_fail (to != NULL, FALSE); + + val = *to & ~mask; /* clear all bits in mask */ + val = val | (from & mask); /* set all bits in from and mask */ + chg = *to != val; + *to = val; + + return chg; +} + +const char * +bolt_status_to_string (BoltStatus status) +{ + return bolt_enum_to_string (BOLT_TYPE_STATUS, status, NULL); +} + +gboolean +bolt_status_is_authorized (BoltStatus status) +{ + return status == BOLT_STATUS_AUTHORIZED || + status == BOLT_STATUS_AUTHORIZED_SECURE || + status == BOLT_STATUS_AUTHORIZED_NEWKEY; +} + +gboolean +bolt_status_is_pending (BoltStatus status) +{ + return status == BOLT_STATUS_AUTH_ERROR || + status == BOLT_STATUS_CONNECTED; +} + +gboolean +bolt_status_validate (BoltStatus status) +{ + return bolt_enum_validate (BOLT_TYPE_STATUS, status, NULL); +} + +gboolean +bolt_status_is_connected (BoltStatus status) +{ + return status > BOLT_STATUS_DISCONNECTED; +} + +BoltSecurity +bolt_security_from_string (const char *str) +{ + return bolt_enum_from_string (BOLT_TYPE_SECURITY, str, NULL); +} + +const char * +bolt_security_to_string (BoltSecurity security) +{ + return bolt_enum_to_string (BOLT_TYPE_SECURITY, security, NULL); +} + +gboolean +bolt_security_validate (BoltSecurity security) +{ + return bolt_enum_validate (BOLT_TYPE_SECURITY, security, NULL); +} + +gboolean +bolt_security_allows_pcie (BoltSecurity security) +{ + gboolean pcie = FALSE; + + switch (security) + { + case BOLT_SECURITY_NONE: + case BOLT_SECURITY_USER: + case BOLT_SECURITY_SECURE: + pcie = TRUE; + break; + + case BOLT_SECURITY_DPONLY: + case BOLT_SECURITY_USBONLY: + case BOLT_SECURITY_UNKNOWN: + pcie = FALSE; + break; + } + + return pcie; +} + +BoltPolicy +bolt_policy_from_string (const char *str) +{ + return bolt_enum_from_string (BOLT_TYPE_POLICY, str, NULL); +} + +const char * +bolt_policy_to_string (BoltPolicy policy) +{ + return bolt_enum_to_string (BOLT_TYPE_POLICY, policy, NULL); +} + +gboolean +bolt_policy_validate (BoltPolicy policy) +{ + return bolt_enum_validate (BOLT_TYPE_POLICY, policy, NULL); +} + +BoltDeviceType +bolt_device_type_from_string (const char *str) +{ + return bolt_enum_from_string (BOLT_TYPE_DEVICE_TYPE, str, NULL); +} + +const char * +bolt_device_type_to_string (BoltDeviceType type) +{ + return bolt_enum_to_string (BOLT_TYPE_DEVICE_TYPE, type, NULL); +} + +gboolean +bolt_device_type_validate (BoltDeviceType type) +{ + return bolt_enum_validate (BOLT_TYPE_DEVICE_TYPE, type, NULL); +} + +gboolean +bolt_device_type_is_host (BoltDeviceType type) +{ + return type == BOLT_DEVICE_HOST; +} |