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Implement serialization to GVariant (WIP).

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This commit is contained in:
Daiki Ueno
2011-02-02 18:40:52 +09:00
parent 453c3fee79
commit b631f54a54
7 changed files with 338 additions and 4 deletions
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2
eek/Makefile.am
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@ -37,6 +37,7 @@ libeek_public_headers = \
$(srcdir)/eek-keysym.h \
$(srcdir)/eek-types.h \
$(srcdir)/eek-xml.h \
$(srcdir)/eek-serializable.h \
$(srcdir)/eek.h
libeek_private_headers = \
@ -57,6 +58,7 @@ libeek_sources = \
$(srcdir)/eek-symbol.c \
$(srcdir)/eek-keysym.c \
$(srcdir)/eek-types.c \
$(srcdir)/eek-serializable.c \
$(srcdir)/eek-xml.c \
$(srcdir)/eek-xml-layout.c \
$(srcdir)/eek-renderer.c \

62
eek/eek-container.c
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@ -31,6 +31,7 @@
#endif /* HAVE_CONFIG_H */
#include "eek-container.h"
#include "eek-serializable.h"
enum {
CHILD_ADDED,
@ -40,7 +41,11 @@ enum {
static guint signals[LAST_SIGNAL] = { 0, };
G_DEFINE_ABSTRACT_TYPE (EekContainer, eek_container, EEK_TYPE_ELEMENT);
static void eek_serializable_iface_init (EekSerializableIface *iface);
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (EekContainer, eek_container, EEK_TYPE_ELEMENT,
G_IMPLEMENT_INTERFACE (EEK_TYPE_SERIALIZABLE,
eek_serializable_iface_init));
#define EEK_CONTAINER_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEK_TYPE_CONTAINER, EekContainerPrivate))
@ -51,6 +56,61 @@ struct _EekContainerPrivate
GSList *children;
};
static EekSerializableIface *eek_container_parent_serializable_iface;
static void
eek_container_real_serialize (EekSerializable *self,
GVariantBuilder *builder)
{
EekContainerPrivate *priv = EEK_CONTAINER_GET_PRIVATE(self);
GSList *head;
GVariantBuilder array;
eek_container_parent_serializable_iface->serialize (self, builder);
g_variant_builder_init (&array, G_VARIANT_TYPE("av"));
for (head = priv->children; head; head = g_slist_next (head)) {
GVariant *variant =
eek_serializable_serialize (EEK_SERIALIZABLE(head->data));
g_variant_builder_add (&array, "v", variant);
}
g_variant_builder_add (builder, "v", g_variant_builder_end (&array));
}
static gsize
eek_container_real_deserialize (EekSerializable *self,
GVariant *variant,
gsize index)
{
EekContainerPrivate *priv = EEK_CONTAINER_GET_PRIVATE(self);
GVariant *array, *child;
GVariantIter iter;
index = eek_container_parent_serializable_iface->deserialize (self,
variant,
index);
g_variant_get_child (variant, index++, "v", &array);
g_variant_iter_init (&iter, array);
while (g_variant_iter_next (&iter, "v", &child)) {
EekSerializable *serializable = eek_serializable_deserialize (child);
priv->children = g_slist_prepend (priv->children, serializable);
}
priv->children = g_slist_reverse (priv->children);
return index;
}
static void
eek_serializable_iface_init (EekSerializableIface *iface)
{
eek_container_parent_serializable_iface =
g_type_interface_peek_parent (iface);
iface->serialize = eek_container_real_serialize;
iface->deserialize = eek_container_real_deserialize;
}
static void
eek_container_real_add_child (EekContainer *self,
EekElement *child)

62
eek/eek-element.c
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@ -34,6 +34,7 @@
#include "eek-element.h"
#include "eek-container.h"
#include "eek-serializable.h"
enum {
PROP_0,
@ -42,7 +43,11 @@ enum {
PROP_LAST
};
G_DEFINE_ABSTRACT_TYPE (EekElement, eek_element, G_TYPE_OBJECT);
static void eek_serializable_iface_init (EekSerializableIface *iface);
G_DEFINE_ABSTRACT_TYPE_WITH_CODE (EekElement, eek_element, G_TYPE_OBJECT,
G_IMPLEMENT_INTERFACE (EEK_TYPE_SERIALIZABLE,
eek_serializable_iface_init));
#define EEK_ELEMENT_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEK_TYPE_ELEMENT, EekElementPrivate))
@ -55,6 +60,61 @@ struct _EekElementPrivate
EekElement *parent;
};
static GVariant *
_g_variant_new_bounds (EekBounds *bounds)
{
GVariantBuilder builder;
g_variant_builder_init (&builder, G_VARIANT_TYPE ("ad"));
g_variant_builder_add (&builder, "d", bounds->x);
g_variant_builder_add (&builder, "d", bounds->y);
g_variant_builder_add (&builder, "d", bounds->width);
g_variant_builder_add (&builder, "d", bounds->height);
return g_variant_builder_end (&builder);
}
static void
_g_variant_get_bounds (GVariant *variant, EekBounds *bounds)
{
g_variant_get_child (variant, 0, "d", &bounds->x);
g_variant_get_child (variant, 1, "d", &bounds->y);
g_variant_get_child (variant, 2, "d", &bounds->width);
g_variant_get_child (variant, 3, "d", &bounds->height);
}
static void
eek_element_real_serialize (EekSerializable *self,
GVariantBuilder *builder)
{
EekElementPrivate *priv = EEK_ELEMENT_GET_PRIVATE(self);
g_variant_builder_add (builder, "s", priv->name);
g_variant_builder_add (builder, "v", _g_variant_new_bounds (&priv->bounds));
}
static gsize
eek_element_real_deserialize (EekSerializable *self,
GVariant *variant,
gsize index)
{
EekElementPrivate *priv = EEK_ELEMENT_GET_PRIVATE(self);
GVariant *bounds;
g_variant_get_child (variant, index++, "s", &priv->name);
g_variant_get_child (variant, index++, "v", &bounds);
_g_variant_get_bounds (bounds, &priv->bounds);
return index;
}
static void
eek_serializable_iface_init (EekSerializableIface *iface)
{
iface->serialize = eek_element_real_serialize;
iface->deserialize = eek_element_real_deserialize;
}
static void
eek_element_real_set_parent (EekElement *self,
EekElement *parent)

80
eek/eek-key.c
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@ -38,6 +38,7 @@
#include "eek-section.h"
#include "eek-keyboard.h"
#include "eek-symbol.h"
#include "eek-serializable.h"
enum {
PROP_0,
@ -57,7 +58,11 @@ enum {
static guint signals[LAST_SIGNAL] = { 0, };
G_DEFINE_TYPE (EekKey, eek_key, EEK_TYPE_ELEMENT);
static void eek_serializable_iface_init (EekSerializableIface *iface);
G_DEFINE_TYPE_WITH_CODE (EekKey, eek_key, EEK_TYPE_ELEMENT,
G_IMPLEMENT_INTERFACE (EEK_TYPE_SERIALIZABLE,
eek_serializable_iface_init));
#define EEK_KEY_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE ((obj), EEK_TYPE_KEY, EekKeyPrivate))
@ -73,6 +78,79 @@ struct _EekKeyPrivate
gboolean is_pressed;
};
static EekSerializableIface *eek_key_parent_serializable_iface;
static GVariant *
_g_variant_new_symbol_matrix (EekSymbolMatrix *symbol_matrix)
{
GVariantBuilder builder, array;
gint i, num_symbols = symbol_matrix->num_groups * symbol_matrix->num_levels;
g_variant_builder_init (&builder, G_VARIANT_TYPE ("iiav"));
g_variant_builder_add (&builder, "i", symbol_matrix->num_groups);
g_variant_builder_add (&builder, "i", symbol_matrix->num_levels);
g_variant_builder_init (&array, G_VARIANT_TYPE ("av"));
for (i = 0; i < num_symbols; i++) {
GVariant *symbol = eek_serializable_serialize
(EEK_SERIALIZABLE(symbol_matrix->data[i]));
g_variant_builder_add (&builder, "v", symbol);
}
g_variant_builder_add (&builder, "av", g_variant_builder_end (&array));
return g_variant_builder_end (&builder);
}
static EekSymbolMatrix *
_g_variant_get_symbol_matrix (GVariant *variant)
{
g_return_val_if_reached (NULL); /* TODO */
}
static void
eek_key_real_serialize (EekSerializable *self,
GVariantBuilder *builder)
{
EekKeyPrivate *priv = EEK_KEY_GET_PRIVATE(self);
eek_key_parent_serializable_iface->serialize (self, builder);
g_variant_builder_add (builder, "u", priv->keycode);
g_variant_builder_add (builder, "v",
_g_variant_new_symbol_matrix (priv->symbol_matrix));
g_variant_builder_add (builder, "i", priv->column);
g_variant_builder_add (builder, "i", priv->row);
}
static gsize
eek_key_real_deserialize (EekSerializable *self,
GVariant *variant,
gsize index)
{
EekKeyPrivate *priv = EEK_KEY_GET_PRIVATE(self);
GVariant *symbol_matrix;
index = eek_key_parent_serializable_iface->deserialize (self,
variant,
index);
g_variant_get_child (variant, index++, "u", &priv->keycode);
g_variant_get_child (variant, index++, "v", &symbol_matrix);
priv->symbol_matrix = _g_variant_get_symbol_matrix (symbol_matrix);
g_variant_get_child (variant, index++, "i", &priv->column);
g_variant_get_child (variant, index++, "i", &priv->row);
return index;
}
static void
eek_serializable_iface_init (EekSerializableIface *iface)
{
eek_key_parent_serializable_iface =
g_type_interface_peek_parent (iface);
iface->serialize = eek_key_real_serialize;
iface->deserialize = eek_key_real_deserialize;
}
static void
eek_key_real_set_keycode (EekKey *self, guint keycode)
{

75
eek/eek-serializable.c Normal file
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@ -0,0 +1,75 @@
/*
* Copyright (C) 2008-2010 Peng Huang <shawn.p.huang@gmail.com>
* Copyright (C) 2008-2010 Red Hat, Inc.
*
* 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 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, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "eek-serializable.h"
GType
eek_serializable_get_type (void)
{
static GType iface_type = 0;
if (iface_type == 0) {
static const GTypeInfo info = {
sizeof (EekSerializableIface),
NULL,
NULL,
};
iface_type = g_type_register_static (G_TYPE_INTERFACE,
"EekSerializable",
&info, 0);
}
return iface_type;
}
GVariant *
eek_serializable_serialize (EekSerializable *object)
{
GVariantBuilder builder;
g_return_val_if_fail (EEK_IS_SERIALIZABLE (object), FALSE);
g_variant_builder_init (&builder, G_VARIANT_TYPE_TUPLE);
g_variant_builder_add (&builder, "s", g_type_name (G_OBJECT_TYPE (object)));
EEK_SERIALIZABLE_GET_IFACE (object)->serialize (object, &builder);
return g_variant_builder_end (&builder);
}
EekSerializable *
eek_serializable_deserialize (GVariant *variant)
{
GVariant *var = NULL;
gchar *type_name = NULL;
GType type;
EekSerializable *object;
g_return_val_if_fail (variant != NULL, NULL);
g_variant_get_child (var, 0, "&s", &type_name);
type = g_type_from_name (type_name);
g_return_val_if_fail (g_type_is_a (type, EEK_TYPE_SERIALIZABLE), NULL);
object = g_object_new (type, NULL);
EEK_SERIALIZABLE_GET_IFACE (object)->deserialize (object, var, 1);
g_variant_unref (var);
g_object_unref (object);
g_return_val_if_reached (NULL);
}

59
eek/eek-serializable.h Normal file
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@ -0,0 +1,59 @@
/*
* Copyright (C) 2011 Daiki Ueno <ueno@unixuser.org>
* Copyright (C) 2011 Red Hat, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EEK_SERIALIZABLE_H
#define EEK_SERIALIZABLE_H 1
#include <glib-object.h>
G_BEGIN_DECLS
#define EEK_TYPE_SERIALIZABLE (eek_serializable_get_type())
#define EEK_SERIALIZABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), EEK_TYPE_SERIALIZABLE, EekSerializable))
#define EEK_IS_SERIALIZABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), EEK_TYPE_SERIALIZABLE))
#define EEK_SERIALIZABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), EEK_TYPE_SERIALIZABLE, EekSerializableIface))
typedef struct _EekSerializable EekSerializable;
typedef struct _EekSerializableIface EekSerializableIface;
struct _EekSerializableIface
{
/*< private >*/
GTypeInterface parent_iface;
void (* serialize) (EekSerializable *object,
GVariantBuilder *builder);
gsize (* deserialize) (EekSerializable *object,
GVariant *variant,
gsize index);
void (* copy) (EekSerializable *dest,
const EekSerializable *src);
/*< private >*/
/* padding */
gpointer pdummy[5];
};
GType eek_serializable_get_type (void);
EekSerializable *eek_serializable_copy (EekSerializable *object);
GVariant *eek_serializable_serialize (EekSerializable *object);
EekSerializable *eek_serializable_deserialize (GVariant *variant);
G_END_DECLS
#endif /* EEK_SERIALIZABLE_H */

2
eek/eek-types.h
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@ -122,9 +122,9 @@ typedef struct _EekColor EekColor;
*/
struct _EekSymbolMatrix
{
EekSymbol **data;
gint num_groups;
gint num_levels;
EekSymbol **data;
};
GType eek_symbol_matrix_get_type