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merge GSettingsSchema

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This commit is contained in:
Ryan Lortie 2010-04-15 22:30:11 -04:00
parent 45a1c41e8c
commit 2bc8157735
3 changed files with 278 additions and 1 deletions
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7
gio/Makefile.am
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@ -83,7 +83,12 @@ settings_sources = \
gsettingsbackendinternal.h \
gnullsettingsbackend.h \
gnullsettingsbackend.c \
gsettingsbackend.c
gsettingsbackend.c \
gvdb/gvdb-format.h \
gvdb/gvdb-reader.h \
gvdb/gvdb-reader.c \
gsettingsschema.h \
gsettingsschema.c
settings_headers = \
gsettingsbackend.h

205
gio/gsettingsschema.c Normal file
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@ -0,0 +1,205 @@
/*
* Copyright © 2010 Codethink Limited
*
* 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.
*/
#include "config.h"
#include "gsettingsschema.h"
#include "gvdb/gvdb-reader.h"
#include <glibintl.h>
G_DEFINE_TYPE (GSettingsSchema, g_settings_schema, G_TYPE_OBJECT)
struct _GSettingsSchemaPrivate
{
const gchar *gettext_domain;
const gchar *path;
GvdbTable *table;
gchar *name;
};
static GSList *schema_sources;
static void
initialise_schema_sources (void)
{
static gsize initialised;
if G_UNLIKELY (g_once_init_enter (&initialised))
{
const gchar * const *dir;
const gchar *path;
for (dir = g_get_system_data_dirs (); *dir; dir++)
{
gchar *filename;
GvdbTable *table;
filename = g_build_filename (*dir, "glib-2.0", "schemas", "gschemas.compiled", NULL);
table = gvdb_table_new (filename, TRUE, NULL);
if (table != NULL)
schema_sources = g_slist_prepend (schema_sources, table);
g_free (filename);
}
schema_sources = g_slist_reverse (schema_sources);
if ((path = g_getenv ("GSETTINGS_SCHEMA_DIR")) != NULL)
{
gchar *filename;
GvdbTable *table;
filename = g_build_filename (path, "gschemas.compiled", NULL);
table = gvdb_table_new (filename, TRUE, NULL);
if (table != NULL)
schema_sources = g_slist_prepend (schema_sources, table);
g_free (filename);
}
g_once_init_leave (&initialised, TRUE);
}
}
static void
g_settings_schema_finalize (GObject *object)
{
GSettingsSchema *schema = G_SETTINGS_SCHEMA (object);
gvdb_table_unref (schema->priv->table);
g_free (schema->priv->name);
G_OBJECT_CLASS (g_settings_schema_parent_class)
->finalize (object);
}
static void
g_settings_schema_init (GSettingsSchema *schema)
{
schema->priv = G_TYPE_INSTANCE_GET_PRIVATE (schema, G_TYPE_SETTINGS_SCHEMA,
GSettingsSchemaPrivate);
}
static void
g_settings_schema_class_init (GSettingsSchemaClass *class)
{
GObjectClass *object_class = G_OBJECT_CLASS (class);
object_class->finalize = g_settings_schema_finalize;
g_type_class_add_private (class, sizeof (GSettingsSchemaPrivate));
}
static const gchar *
g_settings_schema_get_string (GSettingsSchema *schema,
const gchar *key)
{
const gchar *result = NULL;
GVariant *value;
if ((value = gvdb_table_get_value (schema->priv->table, key, NULL)))
{
result = g_variant_get_string (value, NULL);
g_variant_unref (value);
}
return result;
}
GSettingsSchema *
g_settings_schema_new (const gchar *name)
{
GSettingsSchema *schema;
GvdbTable *table = NULL;
GSList *source;
initialise_schema_sources ();
for (source = schema_sources; source; source = source->next)
{
GvdbTable *file = source->data;
if ((table = gvdb_table_get_table (file, name)))
break;
}
if (table == NULL)
g_error ("Settings schema '%s' is not installed\n", name);
schema = g_object_new (G_TYPE_SETTINGS_SCHEMA, NULL);
schema->priv->name = g_strdup (name);
schema->priv->table = table;
schema->priv->path =
g_settings_schema_get_string (schema, ".path");
schema->priv->gettext_domain =
g_settings_schema_get_string (schema, ".gettext-domain");
if (schema->priv->gettext_domain)
bind_textdomain_codeset (schema->priv->gettext_domain, "UTF-8");
return schema;
}
GVariant *
g_settings_schema_get_value (GSettingsSchema *schema,
const gchar *key,
GVariant **options)
{
#if G_BYTE_ORDER == G_BIG_ENDIAN
GVariant *variant, *tmp;
tmp = gvdb_table_get_value (schema->priv->table, key, options);
if (tmp)
{
variant = g_variant_byteswap (tmp);
g_variant_unref (tmp);
}
else
variant = NULL;
/* NOTE: no options have byteswapped data in them at the moment */
return variant;
#else
return gvdb_table_get_value (schema->priv->table, key, options);
#endif
}
const gchar *
g_settings_schema_get_path (GSettingsSchema *schema)
{
return schema->priv->path;
}
const gchar *
g_settings_schema_get_gettext_domain (GSettingsSchema *schema)
{
return schema->priv->gettext_domain;
}
gboolean
g_settings_schema_has_key (GSettingsSchema *schema,
const gchar *key)
{
return gvdb_table_has_value (schema->priv->table, key);
}

67
gio/gsettingsschema.h Normal file
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@ -0,0 +1,67 @@
/*
* Copyright © 2010 Codethink Limited
*
* 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.
*/
#ifndef __G_SETTINGS_SCHEMA_H__
#define __G_SETTINGS_SCHEMA_H__
#include <glib-object.h>
G_BEGIN_DECLS
#define G_TYPE_SETTINGS_SCHEMA (g_settings_schema_get_type ())
#define G_SETTINGS_SCHEMA(inst) (G_TYPE_CHECK_INSTANCE_CAST ((inst), \
G_TYPE_SETTINGS_SCHEMA, GSettingsSchema))
#define G_SETTINGS_SCHEMA_CLASS(class) (G_TYPE_CHECK_CLASS_CAST ((class), \
G_TYPE_SETTINGS_SCHEMA, GSettingsSchemaClass))
#define G_IS_SETTINGS_SCHEMA(inst) (G_TYPE_CHECK_INSTANCE_TYPE ((inst), \
G_TYPE_SETTINGS_SCHEMA))
#define G_IS_SETTINGS_SCHEMA_CLASS(class) (G_TYPE_CHECK_CLASS_TYPE ((class), \
G_TYPE_SETTINGS_SCHEMA))
#define G_SETTINGS_SCHEMA_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), \
G_TYPE_SETTINGS_SCHEMA, GSettingsSchemaClass))
typedef struct _GSettingsSchemaPrivate GSettingsSchemaPrivate;
typedef struct _GSettingsSchemaClass GSettingsSchemaClass;
typedef struct _GSettingsSchema GSettingsSchema;
struct _GSettingsSchemaClass
{
GObjectClass parent_class;
};
struct _GSettingsSchema
{
GObject parent_instance;
GSettingsSchemaPrivate *priv;
};
GType g_settings_schema_get_type (void);
GSettingsSchema * g_settings_schema_new (const gchar *name);
const gchar * g_settings_schema_get_path (GSettingsSchema *schema);
const gchar * g_settings_schema_get_gettext_domain (GSettingsSchema *schema);
GVariant * g_settings_schema_get_value (GSettingsSchema *schema,
const gchar *key,
GVariant **options);
gboolean g_settings_schema_has_key (GSettingsSchema *schema,
const gchar *key);
G_END_DECLS
#endif /* __G_SETTINGS_SCHEMA_H__ */