[glib] add GActionMap interface
- From: Ryan Lortie <ryanl src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [glib] add GActionMap interface
- Date: Thu, 8 Dec 2011 23:13:17 +0000 (UTC)
commit 76527e5cd5e864f1695b3afe0d6350e7546606bb
Author: Ryan Lortie <desrt desrt ca>
Date: Wed Nov 30 11:36:08 2011 -0500
add GActionMap interface
This is an interface to represent GSimpleActionGroup-like objects (ie:
those GActionGroups that operate by containing a number of named GAction
instances).
gio/Makefile.am | 2 +
gio/gactionmap.c | 211 ++++++++++++++++++++++++++++++++++++++
gio/gactionmap.h | 94 +++++++++++++++++
gio/gio.symbols | 5 +
gio/giotypes.h | 1 +
gio/gsimpleactiongroup.c | 250 ++++++++++++++-------------------------------
gio/gsimpleactiongroup.h | 23 +----
7 files changed, 392 insertions(+), 194 deletions(-)
---
diff --git a/gio/Makefile.am b/gio/Makefile.am
index 78e5003..b4d2fd0 100644
--- a/gio/Makefile.am
+++ b/gio/Makefile.am
@@ -126,6 +126,7 @@ endif
application_headers = \
gactiongroup.h \
+ gactionmap.h \
gsimpleactiongroup.h \
gaction.h \
gsimpleaction.h \
@@ -142,6 +143,7 @@ application_headers = \
application_sources = \
gactiongroup.c \
+ gactionmap.c \
gsimpleactiongroup.c \
gaction.c \
gsimpleaction.c \
diff --git a/gio/gactionmap.c b/gio/gactionmap.c
new file mode 100644
index 0000000..8557f61
--- /dev/null
+++ b/gio/gactionmap.c
@@ -0,0 +1,211 @@
+/*
+ * Copyright  2010 Codethink Limited
+ *
+ * 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 of the licence 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Ryan Lortie <desrt desrt ca>
+ */
+
+#include "config.h"
+
+#include "gsimpleaction.h"
+#include "gactiongroup.h"
+#include "gactionmap.h"
+#include "gaction.h"
+
+G_DEFINE_INTERFACE (GActionMap, g_action_map, G_TYPE_ACTION_GROUP)
+
+static void
+g_action_map_default_init (GActionMapInterface *iface)
+{
+}
+
+GAction *
+g_action_map_lookup_action (GActionMap *action_map,
+ const gchar *action_name)
+{
+ return G_ACTION_MAP_GET_IFACE (action_map)
+ ->lookup_action (action_map, action_name);
+}
+
+void
+g_action_map_add_action (GActionMap *action_map,
+ GAction *action)
+{
+ return G_ACTION_MAP_GET_IFACE (action_map)
+ ->add_action (action_map, action);
+}
+
+void
+g_action_map_remove_action (GActionMap *action_map,
+ const gchar *action_name)
+{
+ return G_ACTION_MAP_GET_IFACE (action_map)
+ ->remove_action (action_map, action_name);
+}
+
+/**
+ * GActionEntry:
+ * @name: the name of the action
+ * @activate: the callback to connect to the "activate" signal of the
+ * action
+ * @parameter_type: the type of the parameter that must be passed to the
+ * activate function for this action, given as a single
+ * GVariant type string (or %NULL for no parameter)
+ * @state: the initial state for this action, given in GVariant text
+ * format. The state is parsed with no extra type information,
+ * so type tags must be added to the string if they are
+ * necessary.
+ * @change_state: the callback to connect to the "change-state" signal
+ * of the action
+ *
+ * This struct defines a single action. It is for use with
+ * g_action_map_add_action_entries().
+ *
+ * The order of the items in the structure are intended to reflect
+ * frequency of use. It is permissible to use an incomplete initialiser
+ * in order to leave some of the later values as %NULL. All values
+ * after @name are optional. Additional optional fields may be added in
+ * the future.
+ *
+ * See g_action_map_add_action_entries() for an example.
+ **/
+
+/**
+ * g_action_map_add_action_entries:
+ * @simple: a #GSimpleActionGroup
+ * @entries: a pointer to the first item in an array of #GActionEntry
+ * structs
+ * @n_entries: the length of @entries, or -1
+ * @user_data: the user data for signal connections
+ *
+ * A convenience function for creating multiple #GSimpleAction instances
+ * and adding them to a #GActionMap.
+ *
+ * Each action is constructed as per one #GActionEntry.
+ *
+ * <example>
+ * <title>Using g_action_map_add_action_entries()</title>
+ * <programlisting>
+ * static void
+ * activate_quit (GSimpleAction *simple,
+ * GVariant *parameter,
+ * gpointer user_data)
+ * {
+ * exit (0);
+ * }
+ *
+ * static void
+ * activate_print_string (GSimpleAction *simple,
+ * GVariant *parameter,
+ * gpointer user_data)
+ * {
+ * g_print ("%s\n", g_variant_get_string (parameter, NULL));
+ * }
+ *
+ * static GActionGroup *
+ * create_action_group (void)
+ * {
+ * const GActionEntry entries[] = {
+ * { "quit", activate_quit },
+ * { "print-string", activate_print_string, "s" }
+ * };
+ * GSimpleActionGroup *group;
+ *
+ * group = g_simple_action_group_new ();
+ * g_action_map_add_action_entries (G_ACTION_MAP (group), entries, G_N_ELEMENTS (entries), NULL);
+ *
+ * return G_ACTION_GROUP (group);
+ * }
+ * </programlisting>
+ * </example>
+ *
+ * Since: 2.30
+ **/
+void
+g_action_map_add_action_entries (GActionMap *action_map,
+ const GActionEntry *entries,
+ gint n_entries,
+ gpointer user_data)
+{
+ gint i;
+
+ g_return_if_fail (G_IS_ACTION_MAP (action_map));
+ g_return_if_fail (entries != NULL || n_entries == 0);
+
+ for (i = 0; n_entries == -1 ? entries[i].name != NULL : i < n_entries; i++)
+ {
+ const GActionEntry *entry = &entries[i];
+ const GVariantType *parameter_type;
+ GSimpleAction *action;
+
+ if (entry->parameter_type)
+ {
+ if (!g_variant_type_string_is_valid (entry->parameter_type))
+ {
+ g_critical ("g_simple_action_group_add_entries: the type "
+ "string '%s' given as the parameter type for "
+ "action '%s' is not a valid GVariant type "
+ "string. This action will not be added.",
+ entry->parameter_type, entry->name);
+ return;
+ }
+
+ parameter_type = G_VARIANT_TYPE (entry->parameter_type);
+ }
+ else
+ parameter_type = NULL;
+
+ if (entry->state)
+ {
+ GError *error = NULL;
+ GVariant *state;
+
+ state = g_variant_parse (NULL, entry->state, NULL, NULL, &error);
+ if (state == NULL)
+ {
+ g_critical ("g_simple_action_group_add_entries: GVariant could "
+ "not parse the state value given for action '%s' "
+ "('%s'): %s. This action will not be added.",
+ entry->name, entry->state, error->message);
+ g_error_free (error);
+ continue;
+ }
+
+ action = g_simple_action_new_stateful (entry->name,
+ parameter_type,
+ state);
+
+ g_variant_unref (state);
+ }
+ else
+ {
+ action = g_simple_action_new (entry->name,
+ parameter_type);
+ }
+
+ if (entry->activate != NULL)
+ g_signal_connect (action, "activate",
+ G_CALLBACK (entry->activate), user_data);
+
+ if (entry->change_state != NULL)
+ g_signal_connect (action, "change-state",
+ G_CALLBACK (entry->change_state), user_data);
+
+ g_action_map_add_action (action_map, G_ACTION (action));
+ g_object_unref (action);
+ }
+}
diff --git a/gio/gactionmap.h b/gio/gactionmap.h
new file mode 100644
index 0000000..98bc6ef
--- /dev/null
+++ b/gio/gactionmap.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright  2010 Codethink Limited
+ *
+ * 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 of the licence 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Authors: Ryan Lortie <desrt desrt ca>
+ */
+
+#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
+#error "Only <gio/gio.h> can be included directly."
+#endif
+
+#ifndef __G_ACTION_MAP_H__
+#define __G_ACTION_MAP_H__
+
+#include <gio/giotypes.h>
+
+G_BEGIN_DECLS
+
+
+#define G_TYPE_ACTION_MAP (g_action_map_get_type ())
+#define G_ACTION_MAP(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
+ G_TYPE_ACTION_MAP, GActionMap))
+#define G_IS_ACTION_MAP(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
+ G_TYPE_ACTION_MAP))
+#define G_ACTION_MAP_GET_IFACE(inst) (G_TYPE_INSTANCE_GET_INTERFACE ((inst), \
+ G_TYPE_ACTION_MAP, GActionMapInterface))
+
+typedef struct _GActionMapInterface GActionMapInterface;
+typedef struct _GActionEntry GActionEntry;
+
+struct _GActionMapInterface
+{
+ GTypeInterface g_iface;
+
+ GAction * (* lookup_action) (GActionMap *action_map,
+ const gchar *action_name);
+ void (* add_action) (GActionMap *action_map,
+ GAction *action);
+ void (* remove_action) (GActionMap *action_map,
+ const gchar *action_name);
+};
+
+struct _GActionEntry
+{
+ const gchar *name;
+
+ void (* activate) (GSimpleAction *action,
+ GVariant *parameter,
+ gpointer user_data);
+
+ const gchar *parameter_type;
+
+ const gchar *state;
+
+ void (* change_state) (GSimpleAction *action,
+ GVariant *value,
+ gpointer user_data);
+
+ /*< private >*/
+ gsize padding[3];
+};
+
+
+
+GType g_action_map_get_type (void) G_GNUC_CONST;
+
+GAction * g_action_map_lookup_action (GActionMap *action_map,
+ const gchar *action_name);
+void g_action_map_add_action (GActionMap *action_map,
+ GAction *action);
+void g_action_map_remove_action (GActionMap *action_map,
+ const gchar *action_name);
+void g_action_map_add_action_entries (GActionMap *action_map,
+ const GActionEntry *entries,
+ gint n_entries,
+ gpointer user_data);
+
+G_END_DECLS
+
+#endif /* __G_ACTION_MAP_H__ */
diff --git a/gio/gio.symbols b/gio/gio.symbols
index 94a2552..24cbcf8 100644
--- a/gio/gio.symbols
+++ b/gio/gio.symbols
@@ -1412,6 +1412,11 @@ g_action_group_get_type
g_action_group_has_action
g_action_group_list_actions
g_action_group_query_action
+g_action_map_add_action
+g_action_map_add_action_entries
+g_action_map_get_type
+g_action_map_lookup_action
+g_action_map_remove_action
g_action_group_change_action_state
g_action_group_dbus_export_start
g_action_group_dbus_export_query
diff --git a/gio/giotypes.h b/gio/giotypes.h
index c417ea8..a022e9c 100644
--- a/gio/giotypes.h
+++ b/gio/giotypes.h
@@ -49,6 +49,7 @@ typedef struct _GZlibDecompressor GZlibDecompressor;
typedef struct _GSimpleActionGroup GSimpleActionGroup;
typedef struct _GDBusActionGroup GDBusActionGroup;
+typedef struct _GActionMap GActionMap;
typedef struct _GActionGroup GActionGroup;
typedef struct _GSimpleAction GSimpleAction;
typedef struct _GAction GAction;
diff --git a/gio/gsimpleactiongroup.c b/gio/gsimpleactiongroup.c
index 91dc293..ec991be 100644
--- a/gio/gsimpleactiongroup.c
+++ b/gio/gsimpleactiongroup.c
@@ -22,6 +22,7 @@
#include "gsimpleactiongroup.h"
#include "gsimpleaction.h"
+#include "gactionmap.h"
#include "gaction.h"
/**
@@ -39,10 +40,13 @@ struct _GSimpleActionGroupPrivate
};
static void g_simple_action_group_iface_init (GActionGroupInterface *);
+static void g_simple_action_group_map_iface_init (GActionMapInterface *);
G_DEFINE_TYPE_WITH_CODE (GSimpleActionGroup,
g_simple_action_group, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (G_TYPE_ACTION_GROUP,
- g_simple_action_group_iface_init))
+ g_simple_action_group_iface_init);
+ G_IMPLEMENT_INTERFACE (G_TYPE_ACTION_MAP,
+ g_simple_action_group_map_iface_init))
static gchar **
g_simple_action_group_list_actions (GActionGroup *group)
@@ -167,6 +171,67 @@ g_simple_action_group_disconnect (gpointer key,
user_data);
}
+static GAction *
+g_simple_action_group_lookup_action (GActionMap *action_map,
+ const gchar *action_name)
+{
+ GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (action_map);
+
+ return g_hash_table_lookup (simple->priv->table, action_name);
+}
+
+static void
+g_simple_action_group_add_action (GActionMap *action_map,
+ GAction *action)
+{
+ GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (action_map);
+ const gchar *action_name;
+ GAction *old_action;
+
+ action_name = g_action_get_name (action);
+ old_action = g_hash_table_lookup (simple->priv->table, action_name);
+
+ if (old_action != action)
+ {
+ if (old_action != NULL)
+ {
+ g_action_group_action_removed (G_ACTION_GROUP (simple),
+ action_name);
+ g_simple_action_group_disconnect (NULL, old_action, simple);
+ }
+
+ g_signal_connect (action, "notify::enabled",
+ G_CALLBACK (action_enabled_notify), simple);
+
+ if (g_action_get_state_type (action) != NULL)
+ g_signal_connect (action, "notify::state",
+ G_CALLBACK (action_state_notify), simple);
+
+ g_hash_table_insert (simple->priv->table,
+ g_strdup (action_name),
+ g_object_ref (action));
+
+ g_action_group_action_added (G_ACTION_GROUP (simple), action_name);
+ }
+}
+
+static void
+g_simple_action_group_remove_action (GActionMap *action_map,
+ const gchar *action_name)
+{
+ GSimpleActionGroup *simple = G_SIMPLE_ACTION_GROUP (action_map);
+ GAction *action;
+
+ action = g_hash_table_lookup (simple->priv->table, action_name);
+
+ if (action != NULL)
+ {
+ g_action_group_action_removed (G_ACTION_GROUP (simple), action_name);
+ g_simple_action_group_disconnect (NULL, action, simple);
+ g_hash_table_remove (simple->priv->table, action_name);
+ }
+}
+
static void
g_simple_action_group_finalize (GObject *object)
{
@@ -210,6 +275,14 @@ g_simple_action_group_iface_init (GActionGroupInterface *iface)
iface->activate_action = g_simple_action_group_activate;
}
+static void
+g_simple_action_group_map_iface_init (GActionMapInterface *iface)
+{
+ iface->add_action = g_simple_action_group_add_action;
+ iface->remove_action = g_simple_action_group_remove_action;
+ iface->lookup_action = g_simple_action_group_lookup_action;
+}
+
/**
* g_simple_action_group_new:
*
@@ -244,7 +317,7 @@ g_simple_action_group_lookup (GSimpleActionGroup *simple,
{
g_return_val_if_fail (G_IS_SIMPLE_ACTION_GROUP (simple), NULL);
- return g_hash_table_lookup (simple->priv->table, action_name);
+ return g_action_map_lookup_action (G_ACTION_MAP (simple), action_name);
}
/**
@@ -265,37 +338,9 @@ void
g_simple_action_group_insert (GSimpleActionGroup *simple,
GAction *action)
{
- const gchar *action_name;
- GAction *old_action;
-
g_return_if_fail (G_IS_SIMPLE_ACTION_GROUP (simple));
- g_return_if_fail (G_IS_ACTION (action));
- action_name = g_action_get_name (action);
- old_action = g_hash_table_lookup (simple->priv->table, action_name);
-
- if (old_action != action)
- {
- if (old_action != NULL)
- {
- g_action_group_action_removed (G_ACTION_GROUP (simple),
- action_name);
- g_simple_action_group_disconnect (NULL, old_action, simple);
- }
-
- g_signal_connect (action, "notify::enabled",
- G_CALLBACK (action_enabled_notify), simple);
-
- if (g_action_get_state_type (action) != NULL)
- g_signal_connect (action, "notify::state",
- G_CALLBACK (action_state_notify), simple);
-
- g_hash_table_insert (simple->priv->table,
- g_strdup (action_name),
- g_object_ref (action));
-
- g_action_group_action_added (G_ACTION_GROUP (simple), action_name);
- }
+ g_action_map_add_action (G_ACTION_MAP (simple), action);
}
/**
@@ -313,46 +358,11 @@ void
g_simple_action_group_remove (GSimpleActionGroup *simple,
const gchar *action_name)
{
- GAction *action;
-
g_return_if_fail (G_IS_SIMPLE_ACTION_GROUP (simple));
- action = g_hash_table_lookup (simple->priv->table, action_name);
-
- if (action != NULL)
- {
- g_action_group_action_removed (G_ACTION_GROUP (simple), action_name);
- g_simple_action_group_disconnect (NULL, action, simple);
- g_hash_table_remove (simple->priv->table, action_name);
- }
+ g_action_map_remove_action (G_ACTION_MAP (simple), action_name);
}
-/**
- * GActionEntry:
- * @name: the name of the action
- * @activate: the callback to connect to the "activate" signal of the
- * action
- * @parameter_type: the type of the parameter that must be passed to the
- * activate function for this action, given as a single
- * GVariant type string (or %NULL for no parameter)
- * @state: the initial state for this action, given in GVariant text
- * format. The state is parsed with no extra type information,
- * so type tags must be added to the string if they are
- * necessary.
- * @change_state: the callback to connect to the "change-state" signal
- * of the action
- *
- * This struct defines a single action. It is for use with
- * g_simple_action_group_add_entries().
- *
- * The order of the items in the structure are intended to reflect
- * frequency of use. It is permissible to use an incomplete initialiser
- * in order to leave some of the later values as %NULL. All values
- * after @name are optional. Additional optional fields may be added in
- * the future.
- *
- * See g_simple_action_group_add_entries() for an example.
- **/
/**
* g_simple_action_group_add_entries:
@@ -365,44 +375,6 @@ g_simple_action_group_remove (GSimpleActionGroup *simple,
* A convenience function for creating multiple #GSimpleAction instances
* and adding them to the action group.
*
- * Each action is constructed as per one #GActionEntry.
- *
- * <example>
- * <title>Using g_simple_action_group_add_entries()</title>
- * <programlisting>
- * static void
- * activate_quit (GSimpleAction *simple,
- * GVariant *parameter,
- * gpointer user_data)
- * {
- * exit (0);
- * }
- *
- * static void
- * activate_print_string (GSimpleAction *simple,
- * GVariant *parameter,
- * gpointer user_data)
- * {
- * g_print ("%s\n", g_variant_get_string (parameter, NULL));
- * }
- *
- * static GActionGroup *
- * create_action_group (void)
- * {
- * const GActionEntry entries[] = {
- * { "quit", activate_quit },
- * { "print-string", activate_print_string, "s" }
- * };
- * GSimpleActionGroup *group;
- *
- * group = g_simple_action_group_new ();
- * g_simple_action_group_add_entries (group, entries, G_N_ELEMENTS (entries), NULL);
- *
- * return G_ACTION_GROUP (group);
- * }
- * </programlisting>
- * </example>
- *
* Since: 2.30
**/
void
@@ -411,71 +383,5 @@ g_simple_action_group_add_entries (GSimpleActionGroup *simple,
gint n_entries,
gpointer user_data)
{
- gint i;
-
- g_return_if_fail (G_IS_SIMPLE_ACTION_GROUP (simple));
- g_return_if_fail (entries != NULL || n_entries == 0);
-
- for (i = 0; n_entries == -1 ? entries[i].name != NULL : i < n_entries; i++)
- {
- const GActionEntry *entry = &entries[i];
- const GVariantType *parameter_type;
- GSimpleAction *action;
-
- if (entry->parameter_type)
- {
- if (!g_variant_type_string_is_valid (entry->parameter_type))
- {
- g_critical ("g_simple_action_group_add_entries: the type "
- "string '%s' given as the parameter type for "
- "action '%s' is not a valid GVariant type "
- "string. This action will not be added.",
- entry->parameter_type, entry->name);
- return;
- }
-
- parameter_type = G_VARIANT_TYPE (entry->parameter_type);
- }
- else
- parameter_type = NULL;
-
- if (entry->state)
- {
- GError *error = NULL;
- GVariant *state;
-
- state = g_variant_parse (NULL, entry->state, NULL, NULL, &error);
- if (state == NULL)
- {
- g_critical ("g_simple_action_group_add_entries: GVariant could "
- "not parse the state value given for action '%s' "
- "('%s'): %s. This action will not be added.",
- entry->name, entry->state, error->message);
- g_error_free (error);
- continue;
- }
-
- action = g_simple_action_new_stateful (entry->name,
- parameter_type,
- state);
-
- g_variant_unref (state);
- }
- else
- {
- action = g_simple_action_new (entry->name,
- parameter_type);
- }
-
- if (entry->activate != NULL)
- g_signal_connect (action, "activate",
- G_CALLBACK (entry->activate), user_data);
-
- if (entry->change_state != NULL)
- g_signal_connect (action, "change-state",
- G_CALLBACK (entry->change_state), user_data);
-
- g_simple_action_group_insert (simple, G_ACTION (action));
- g_object_unref (action);
- }
+ g_action_map_add_action_entries (G_ACTION_MAP (simple), entries, n_entries, user_data);
}
diff --git a/gio/gsimpleactiongroup.h b/gio/gsimpleactiongroup.h
index 710cd59..7de37bc 100644
--- a/gio/gsimpleactiongroup.h
+++ b/gio/gsimpleactiongroup.h
@@ -27,6 +27,7 @@
#define __G_SIMPLE_ACTION_GROUP_H__
#include "gactiongroup.h"
+#include "gactionmap.h"
G_BEGIN_DECLS
@@ -45,8 +46,6 @@ G_BEGIN_DECLS
typedef struct _GSimpleActionGroupPrivate GSimpleActionGroupPrivate;
typedef struct _GSimpleActionGroupClass GSimpleActionGroupClass;
-typedef struct _GActionEntry GActionEntry;
-
/**
* GSimpleActionGroup:
*
@@ -84,26 +83,6 @@ void g_simple_action_group_insert (GSimple
void g_simple_action_group_remove (GSimpleActionGroup *simple,
const gchar *action_name);
-struct _GActionEntry
-{
- const gchar *name;
-
- void (* activate) (GSimpleAction *action,
- GVariant *parameter,
- gpointer user_data);
-
- const gchar *parameter_type;
-
- const gchar *state;
-
- void (* change_state) (GSimpleAction *action,
- GVariant *value,
- gpointer user_data);
-
- /*< private >*/
- gsize padding[3];
-};
-
void g_simple_action_group_add_entries (GSimpleActionGroup *simple,
const GActionEntry *entries,
gint n_entries,
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