[glib/wip/plist] GSettings: nextstep settings backend
- From: Ryan Lortie <ryanl src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [glib/wip/plist] GSettings: nextstep settings backend
- Date: Mon, 2 Jan 2012 00:30:02 +0000 (UTC)
commit 29abae82293515a72de73e0e7e3736c4a4b8aebd
Author: William Hua <william attente ca>
Date: Mon Dec 26 10:04:38 2011 -0500
GSettings: nextstep settings backend
gio/Makefile.am | 11 +
gio/giomodule.c | 3 +
gio/gnextstepsettingsbackend.c | 492 ++++++++++++++++++++++++++++++++++++++++
gio/gsettingsbackendinternal.h | 5 +
4 files changed, 511 insertions(+), 0 deletions(-)
---
diff --git a/gio/Makefile.am b/gio/Makefile.am
index ef5869e..d237787 100644
--- a/gio/Makefile.am
+++ b/gio/Makefile.am
@@ -124,6 +124,13 @@ settings_sources += \
gregistrysettingsbackend.c
endif
+if OS_CARBON
+AM_CPPFLAGS += -DG_OS_CARBON
+
+settings_sources += \
+ gnextstepsettingsbackend.c
+endif
+
application_headers = \
gapplication.h \
gapplicationcommandline.h \
@@ -447,6 +454,10 @@ libgio_2_0_la_LIBADD = \
libgio_2_0_la_CPPFLAGS = $(ZLIB_CFLAGS) $(AM_CPPFLAGS)
+if OS_CARBON
+libgio_2_0_la_CFLAGS = -xobjective-c
+endif
+
if PLATFORM_WIN32
no_undefined = -no-undefined
endif
diff --git a/gio/giomodule.c b/gio/giomodule.c
index efd8388..c7b16f8 100644
--- a/gio/giomodule.c
+++ b/gio/giomodule.c
@@ -916,6 +916,9 @@ _g_io_modules_ensure_loaded (void)
g_win32_directory_monitor_get_type ();
g_registry_backend_get_type ();
#endif
+#ifdef G_OS_CARBON
+ g_nextstep_settings_backend_get_type ();
+#endif
#ifdef G_OS_UNIX
_g_unix_volume_monitor_get_type ();
#endif
diff --git a/gio/gnextstepsettingsbackend.c b/gio/gnextstepsettingsbackend.c
new file mode 100644
index 0000000..1533094
--- /dev/null
+++ b/gio/gnextstepsettingsbackend.c
@@ -0,0 +1,492 @@
+/*
+ * Copyright  2011 William Hua
+ *
+ * This library 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.
+ *
+ * Author: William Hua <william attente ca>
+ */
+
+
+
+#include "gsettingsbackendinternal.h"
+#include "gsimplepermission.h"
+#include "giomodule.h"
+
+
+
+#import <Foundation/Foundation.h>
+
+
+
+typedef GSettingsBackendClass GNextstepSettingsBackendClass;
+
+
+
+struct _GNextstepSettingsBackend
+{
+ GSettingsBackend parent_instance;
+
+ /*< private >*/
+ NSUserDefaults *user_defaults;
+};
+
+
+
+G_DEFINE_TYPE_WITH_CODE (GNextstepSettingsBackend,
+ g_nextstep_settings_backend,
+ G_TYPE_SETTINGS_BACKEND,
+ g_io_extension_point_implement (G_SETTINGS_BACKEND_EXTENSION_POINT_NAME,
+ g_define_type_id, "nextstep", 90));
+
+
+
+static void g_nextstep_settings_backend_finalize (GObject *backend);
+
+static GVariant * g_nextstep_settings_backend_read (GSettingsBackend *backend,
+ const gchar *key,
+ const GVariantType *expected_type,
+ gboolean default_value);
+
+static gboolean g_nextstep_settings_backend_get_writable (GSettingsBackend *backend,
+ const gchar *key);
+
+static gboolean g_nextstep_settings_backend_write (GSettingsBackend *backend,
+ const gchar *key,
+ GVariant *value,
+ gpointer origin_tag);
+
+static gboolean g_nextstep_settings_backend_write_tree (GSettingsBackend *backend,
+ GTree *tree,
+ gpointer origin_tag);
+
+static void g_nextstep_settings_backend_reset (GSettingsBackend *backend,
+ const gchar *key,
+ gpointer origin_tag);
+
+static void g_nextstep_settings_backend_subscribe (GSettingsBackend *backend,
+ const gchar *name);
+
+static void g_nextstep_settings_backend_unsubscribe (GSettingsBackend *backend,
+ const gchar *name);
+
+static void g_nextstep_settings_backend_sync (GSettingsBackend *backend);
+
+static GPermission * g_nextstep_settings_backend_get_permission (GSettingsBackend *backend,
+ const gchar *path);
+
+static gboolean g_nextstep_settings_backend_write_pair (gpointer name,
+ gpointer value,
+ gpointer data);
+
+static GVariant * g_nextstep_settings_backend_get_g_variant (id object,
+ const GVariantType *type);
+
+static id g_nextstep_settings_backend_get_ns_object (GVariant *variant);
+
+
+
+static void
+g_nextstep_settings_backend_class_init (GNextstepSettingsBackendClass *class)
+{
+ G_OBJECT_CLASS (class)->finalize = g_nextstep_settings_backend_finalize;
+ class->read = g_nextstep_settings_backend_read;
+ class->get_writable = g_nextstep_settings_backend_get_writable;
+ class->write = g_nextstep_settings_backend_write;
+ class->write_tree = g_nextstep_settings_backend_write_tree;
+ class->reset = g_nextstep_settings_backend_reset;
+ class->subscribe = g_nextstep_settings_backend_subscribe;
+ class->unsubscribe = g_nextstep_settings_backend_unsubscribe;
+ class->sync = g_nextstep_settings_backend_sync;
+ class->get_permission = g_nextstep_settings_backend_get_permission;
+}
+
+
+
+static void
+g_nextstep_settings_backend_init (GNextstepSettingsBackend *self)
+{
+ NSAutoreleasePool *pool;
+
+ pool = [[NSAutoreleasePool alloc] init];
+
+ self->user_defaults = [[NSUserDefaults standardUserDefaults] retain];
+
+ [pool drain];
+}
+
+
+
+static void
+g_nextstep_settings_backend_finalize (GObject *self)
+{
+ NSAutoreleasePool *pool;
+
+ pool = [[NSAutoreleasePool alloc] init];
+
+ [G_NEXTSTEP_SETTINGS_BACKEND (self)->user_defaults release];
+
+ [pool drain];
+
+ G_OBJECT_CLASS (g_nextstep_settings_backend_parent_class)->finalize (self);
+}
+
+
+
+static GVariant *
+g_nextstep_settings_backend_read (GSettingsBackend *backend,
+ const gchar *key,
+ const GVariantType *expected_type,
+ gboolean default_value)
+{
+ NSAutoreleasePool *pool;
+ NSString *name;
+ id value;
+ GVariant *variant;
+
+ if (default_value)
+ return NULL;
+
+ pool = [[NSAutoreleasePool alloc] init];
+ name = [NSString stringWithUTF8String:key];
+ value = [G_NEXTSTEP_SETTINGS_BACKEND (backend)->user_defaults objectForKey:name];
+ variant = g_nextstep_settings_backend_get_g_variant (value, expected_type);
+
+ [pool drain];
+
+ return variant;
+}
+
+
+
+static gboolean
+g_nextstep_settings_backend_get_writable (GSettingsBackend *backend,
+ const gchar *key)
+{
+ return TRUE;
+}
+
+
+
+static gboolean
+g_nextstep_settings_backend_write (GSettingsBackend *backend,
+ const gchar *key,
+ GVariant *value,
+ gpointer origin_tag)
+{
+ NSAutoreleasePool *pool;
+
+ pool = [[NSAutoreleasePool alloc] init];
+
+ g_nextstep_settings_backend_write_pair ((gpointer) key, value, backend);
+ g_settings_backend_changed (backend, key, origin_tag);
+
+ [pool drain];
+
+ return TRUE;
+}
+
+
+
+static gboolean
+g_nextstep_settings_backend_write_tree (GSettingsBackend *backend,
+ GTree *tree,
+ gpointer origin_tag)
+{
+ NSAutoreleasePool *pool;
+
+ pool = [[NSAutoreleasePool alloc] init];
+
+ g_tree_foreach (tree, g_nextstep_settings_backend_write_pair, backend);
+ g_settings_backend_changed_tree (backend, tree, origin_tag);
+
+ [pool drain];
+
+ return TRUE;
+}
+
+
+
+static void
+g_nextstep_settings_backend_reset (GSettingsBackend *backend,
+ const gchar *key,
+ gpointer origin_tag)
+{
+ NSAutoreleasePool *pool;
+ NSUserDefaults *user_defaults;
+ NSString *name;
+ id value;
+ id default_value;
+
+ pool = [[NSAutoreleasePool alloc] init];
+ user_defaults = G_NEXTSTEP_SETTINGS_BACKEND (backend)->user_defaults;
+ name = [NSString stringWithUTF8String:key];
+ value = [user_defaults objectForKey:name];
+
+ [user_defaults removeObjectForKey:name];
+
+ default_value = [user_defaults objectForKey:name];
+
+ if (default_value != value && ![default_value isEqual:value])
+ g_settings_backend_changed (backend, key, origin_tag);
+
+ [pool drain];
+}
+
+
+
+static void
+g_nextstep_settings_backend_subscribe (GSettingsBackend *backend,
+ const gchar *name)
+{
+}
+
+
+
+static void
+g_nextstep_settings_backend_unsubscribe (GSettingsBackend *backend,
+ const gchar *name)
+{
+}
+
+
+
+static void
+g_nextstep_settings_backend_sync (GSettingsBackend *backend)
+{
+ NSAutoreleasePool *pool;
+
+ pool = [[NSAutoreleasePool alloc] init];
+
+ [G_NEXTSTEP_SETTINGS_BACKEND (backend)->user_defaults synchronize];
+
+ [pool drain];
+}
+
+
+
+static GPermission *
+g_nextstep_settings_backend_get_permission (GSettingsBackend *backend,
+ const gchar *path)
+{
+ return g_simple_permission_new (TRUE);
+}
+
+
+
+static gboolean
+g_nextstep_settings_backend_write_pair (gpointer name,
+ gpointer value,
+ gpointer data)
+{
+ GNextstepSettingsBackend *backend;
+ NSString *key;
+ id object;
+
+ backend = G_NEXTSTEP_SETTINGS_BACKEND (data);
+ key = [NSString stringWithUTF8String:name];
+ object = g_nextstep_settings_backend_get_ns_object (value);
+
+ [backend->user_defaults setObject:object forKey:key];
+
+ return FALSE;
+}
+
+
+
+static GVariant *
+g_nextstep_settings_backend_get_g_variant (id object,
+ const GVariantType *type)
+{
+ if ([object isKindOfClass:[NSData class]])
+ return g_variant_parse (type, [[[[NSString alloc] initWithData:object encoding:NSUTF8StringEncoding] autorelease] UTF8String], NULL, NULL, NULL);
+ else if ([object isKindOfClass:[NSNumber class]])
+ {
+ if (g_variant_type_equal (type, G_VARIANT_TYPE_BOOLEAN))
+ return g_variant_new_boolean ([object boolValue]);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_BYTE))
+ return g_variant_new_byte ([object unsignedCharValue]);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT16))
+ return g_variant_new_int16 ([object shortValue]);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT16))
+ return g_variant_new_uint16 ([object unsignedShortValue]);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT32))
+ return g_variant_new_int32 ([object longValue]);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT32))
+ return g_variant_new_uint32 ([object unsignedLongValue]);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_INT64))
+ return g_variant_new_int64 ([object longLongValue]);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_UINT64))
+ return g_variant_new_uint64 ([object unsignedLongLongValue]);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_HANDLE))
+ return g_variant_new_handle ([object longValue]);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_DOUBLE))
+ return g_variant_new_double ([object doubleValue]);
+ }
+ else if ([object isKindOfClass:[NSString class]])
+ {
+ const char *string;
+
+ string = [object UTF8String];
+
+ if (g_variant_type_equal (type, G_VARIANT_TYPE_STRING))
+ return g_variant_new_string (string);
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_OBJECT_PATH))
+ return g_variant_is_object_path (string) ?
+ g_variant_new_object_path (string) : NULL;
+ else if (g_variant_type_equal (type, G_VARIANT_TYPE_SIGNATURE))
+ return g_variant_is_signature (string) ?
+ g_variant_new_signature (string) : NULL;
+ }
+ else if ([object isKindOfClass:[NSDictionary class]])
+ {
+ if (g_variant_type_is_subtype_of (type, G_VARIANT_TYPE ("a{s*}")))
+ {
+ const GVariantType *value_type;
+ GVariantBuilder builder;
+ NSString *key;
+
+ value_type = g_variant_type_value (g_variant_type_element (type));
+
+ g_variant_builder_init (&builder, type);
+
+ for (key in object)
+ {
+ GVariant *name;
+ id value;
+ GVariant *variant;
+ GVariant *entry;
+
+ name = g_variant_new_string ([key UTF8String]);
+ value = [object objectForKey:key];
+ variant = g_nextstep_settings_backend_get_g_variant (value, value_type);
+
+ if (variant == NULL)
+ {
+ g_variant_builder_clear (&builder);
+
+ return NULL;
+ }
+
+ entry = g_variant_new_dict_entry (name, variant);
+ g_variant_builder_add_value (&builder, entry);
+ }
+
+ return g_variant_builder_end (&builder);
+ }
+ }
+ else if ([object isKindOfClass:[NSArray class]])
+ {
+ if (g_variant_type_is_subtype_of (type, G_VARIANT_TYPE_ARRAY))
+ {
+ const GVariantType *value_type;
+ GVariantBuilder builder;
+ id value;
+
+ value_type = g_variant_type_element (type);
+ g_variant_builder_init (&builder, type);
+
+ for (value in object)
+ {
+ GVariant *variant = g_nextstep_settings_backend_get_g_variant (value, value_type);
+
+ if (variant == NULL)
+ {
+ g_variant_builder_clear (&builder);
+
+ return NULL;
+ }
+
+ g_variant_builder_add_value (&builder, variant);
+ }
+
+ return g_variant_builder_end (&builder);
+ }
+ }
+
+ return NULL;
+}
+
+
+
+static id
+g_nextstep_settings_backend_get_ns_object (GVariant *variant)
+{
+ if (variant == NULL)
+ return nil;
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_BOOLEAN))
+ return [NSNumber numberWithBool:g_variant_get_boolean (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_BYTE))
+ return [NSNumber numberWithUnsignedChar:g_variant_get_byte (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_INT16))
+ return [NSNumber numberWithShort:g_variant_get_int16 (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_UINT16))
+ return [NSNumber numberWithUnsignedShort:g_variant_get_uint16 (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_INT32))
+ return [NSNumber numberWithLong:g_variant_get_int32 (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_UINT32))
+ return [NSNumber numberWithUnsignedLong:g_variant_get_uint32 (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_INT64))
+ return [NSNumber numberWithLongLong:g_variant_get_int64 (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_UINT64))
+ return [NSNumber numberWithUnsignedLongLong:g_variant_get_uint64 (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_HANDLE))
+ return [NSNumber numberWithLong:g_variant_get_handle (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_DOUBLE))
+ return [NSNumber numberWithDouble:g_variant_get_double (variant)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_STRING))
+ return [NSString stringWithUTF8String:g_variant_get_string (variant, NULL)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_OBJECT_PATH))
+ return [NSString stringWithUTF8String:g_variant_get_string (variant, NULL)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_SIGNATURE))
+ return [NSString stringWithUTF8String:g_variant_get_string (variant, NULL)];
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE ("a{s*}")))
+ {
+ NSMutableDictionary *dictionary;
+ GVariantIter iter;
+ GVariant *name;
+ GVariant *value;
+
+ dictionary = [NSMutableDictionary dictionaryWithCapacity:g_variant_iter_init (&iter, variant)];
+
+ while (g_variant_iter_loop (&iter, "{s*}", &name, &value))
+ {
+ NSString *key;
+ id object;
+
+ key = [NSString stringWithUTF8String:g_variant_get_string (name, NULL)];
+ object = g_nextstep_settings_backend_get_ns_object (value);
+
+ [dictionary setObject:object forKey:key];
+ }
+
+ return dictionary;
+ }
+ else if (g_variant_is_of_type (variant, G_VARIANT_TYPE_ARRAY))
+ {
+ NSMutableArray *array;
+ GVariantIter iter;
+ GVariant *value;
+
+ array = [NSMutableArray arrayWithCapacity:g_variant_iter_init (&iter, variant)];
+
+ while ((value = g_variant_iter_next_value (&iter)) != NULL)
+ [array addObject:g_nextstep_settings_backend_get_ns_object (value)];
+
+ return array;
+ }
+ else
+ return [[NSString stringWithUTF8String:g_variant_print (variant, TRUE)] dataUsingEncoding:NSUTF8StringEncoding];
+}
diff --git a/gio/gsettingsbackendinternal.h b/gio/gsettingsbackendinternal.h
index e009b31..5837dcc 100644
--- a/gio/gsettingsbackendinternal.h
+++ b/gio/gsettingsbackendinternal.h
@@ -100,4 +100,9 @@ GType g_null_settings_backend_get_type (void);
G_GNUC_INTERNAL
GType g_memory_settings_backend_get_type (void);
+#ifdef G_OS_CARBON
+G_GNUC_INTERNAL
+GType g_nextstep_settings_backend_get_type (void);
+#endif
+
#endif /* __G_SETTINGS_BACKEND_INTERNAL_H__ */
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