diff options
Diffstat (limited to 'json-glib/json-gobject.c')
| -rw-r--r-- | json-glib/json-gobject.c | 371 |
1 files changed, 4 insertions, 367 deletions
diff --git a/json-glib/json-gobject.c b/json-glib/json-gobject.c index 9e0074a..5fa18b6 100644 --- a/json-glib/json-gobject.c +++ b/json-glib/json-gobject.c @@ -1,4 +1,4 @@ -/* json-gobject.h - JSON GObject integration +/* json-gobject.c - JSON GObject integration * * This file is part of JSON-GLib * Copyright (C) 2007 OpenedHand Ltd. @@ -40,255 +40,11 @@ #include <stdlib.h> #include "json-types-private.h" +#include "json-gobject-private.h" -#include "json-gobject.h" #include "json-parser.h" #include "json-generator.h" -typedef struct _BoxedTransform BoxedTransform; - -struct _BoxedTransform -{ - GType boxed_type; - gint node_type; - - JsonBoxedSerializeFunc serialize; - JsonBoxedDeserializeFunc deserialize; -}; - -G_LOCK_DEFINE_STATIC (boxed_transforms); -static GSList *boxed_transforms = NULL; - -static gint -boxed_transforms_cmp (gconstpointer a, - gconstpointer b) -{ - const BoxedTransform *ta = a; - const BoxedTransform *tb = b; - - return tb->boxed_type - ta->boxed_type; -} - -static gint -boxed_transforms_find (gconstpointer a, - gconstpointer b) -{ - const BoxedTransform *haystack = a; - const BoxedTransform *needle = b; - - if (needle->node_type != -1) - return (haystack->boxed_type == needle->boxed_type && - haystack->node_type == needle->node_type) ? 0 : 1; - else - return (haystack->boxed_type == needle->boxed_type) ? 0 : 1; -} - -static BoxedTransform * -lookup_boxed_transform (GType gboxed_type, - JsonNodeType node_type) -{ - BoxedTransform lookup; - GSList *t; - - lookup.boxed_type = gboxed_type; - lookup.node_type = node_type; - - t = g_slist_find_custom (boxed_transforms, &lookup, boxed_transforms_find); - if (t == NULL) - return NULL; - - return t->data; -} - -/** - * json_boxed_register_transform_func: - * @gboxed_type: a boxed type - * @node_type: a node type - * @serialize_func: (allow-none): serialization function for @boxed_type - * into a #JsonNode of type @node_type; can be %NULL if @deserialize_func - * is not %NULL - * @deserialize_func: (allow-none): deserialization function for @boxed_type - * from a #JsonNode of type @node_type; can be %NULL if @serialize_func - * is not %NULL - * - * Registers a serialization and deserialization functions for a #GBoxed - * of type @gboxed_type to and from a #JsonNode of type @node_type - * - * Since: 0.10 - */ -void -json_boxed_register_transform_func (GType gboxed_type, - JsonNodeType node_type, - JsonBoxedSerializeFunc serialize_func, - JsonBoxedDeserializeFunc deserialize_func) -{ - BoxedTransform *t; - - g_return_if_fail (G_TYPE_IS_BOXED (gboxed_type)); - g_return_if_fail (G_TYPE_IS_ABSTRACT (gboxed_type) == FALSE); - - if (serialize_func == NULL) - g_return_if_fail (deserialize_func != NULL); - - if (deserialize_func == NULL) - g_return_if_fail (serialize_func != NULL); - - G_LOCK (boxed_transforms); - - t = lookup_boxed_transform (gboxed_type, node_type); - if (t == NULL) - { - t = g_slice_new (BoxedTransform); - - t->boxed_type = gboxed_type; - t->node_type = node_type; - t->serialize = serialize_func; - t->deserialize = deserialize_func; - - boxed_transforms = g_slist_insert_sorted (boxed_transforms, t, - boxed_transforms_cmp); - } - else - g_warning ("A transformation for the boxed type %s into " - "JSON nodes of type %s already exists", - g_type_name (gboxed_type), - json_node_type_get_name (node_type)); - - G_UNLOCK (boxed_transforms); -} - -/** - * json_boxed_can_serialize: - * @gboxed_type: a boxed type - * @node_type: (out): the #JsonNode type to which the boxed type can be - * deserialized into - * - * Checks whether it is possible to serialize a #GBoxed of - * type @gboxed_type into a #JsonNode of type @node_type - * - * Return value: %TRUE if the type can be serialized, %FALSE otherwise - * - * Since: 0.10 - */ -gboolean -json_boxed_can_serialize (GType gboxed_type, - JsonNodeType *node_type) -{ - BoxedTransform *t; - - g_return_val_if_fail (G_TYPE_IS_BOXED (gboxed_type), FALSE); - g_return_val_if_fail (G_TYPE_IS_ABSTRACT (gboxed_type) == FALSE, FALSE); - - t = lookup_boxed_transform (gboxed_type, -1); - if (t != NULL && t->serialize != NULL) - { - if (node_type) - *node_type = t->node_type; - - return TRUE; - } - - return FALSE; -} - -/** - * json_boxed_can_deserialize: - * @gboxed_type: a boxed type - * @node_type: a #JsonNode type - * - * Checks whether it is possible to deserialize a #GBoxed of - * type @gboxed_type from a #JsonNode of type @node_type - * - * Return value: %TRUE if the type can be deserialized, %FALSE otherwise - * - * Since: 0.10 - */ -gboolean -json_boxed_can_deserialize (GType gboxed_type, - JsonNodeType node_type) -{ - BoxedTransform *t; - - g_return_val_if_fail (G_TYPE_IS_BOXED (gboxed_type), FALSE); - g_return_val_if_fail (G_TYPE_IS_ABSTRACT (gboxed_type) == FALSE, FALSE); - - t = lookup_boxed_transform (gboxed_type, node_type); - if (t != NULL && t->deserialize != NULL) - return TRUE; - - return FALSE; -} - -/** - * json_boxed_serialize: - * @gboxed_type: a boxed type - * @node_type: a #JsonNode type - * @boxed: a pointer to a #GBoxed of type @gboxed_type - * - * Serializes @boxed, a pointer to a #GBoxed of type @gboxed_type, - * into a #JsonNode of type @node_type - * - * Return value: a #JsonNode with the serialization of the boxed - * type, or %NULL if serialization either failed or was not - * possible - * - * Since: 0.10 - */ -JsonNode * -json_boxed_serialize (GType gboxed_type, - JsonNodeType node_type, - gconstpointer boxed) -{ - BoxedTransform *t; - - g_return_val_if_fail (G_TYPE_IS_BOXED (gboxed_type), NULL); - g_return_val_if_fail (G_TYPE_IS_ABSTRACT (gboxed_type) == FALSE, NULL); - g_return_val_if_fail (boxed != NULL, NULL); - - t = lookup_boxed_transform (gboxed_type, node_type); - if (t != NULL && t->serialize != NULL) - return t->serialize (boxed); - - return NULL; -} - -/** - * json_boxed_serialize: - * @gboxed_type: a boxed type - * @node: a #JsonNode - * - * Deserializes @node into @boxed, a pointer to a #GBoxed of type - * @gboxed_type - * - * Since: 0.10 - */ -gpointer -json_boxed_deserialize (GType gboxed_type, - JsonNode *node) -{ - JsonNodeType node_type; - BoxedTransform *t; - - g_return_val_if_fail (G_TYPE_IS_BOXED (gboxed_type), NULL); - g_return_val_if_fail (G_TYPE_IS_ABSTRACT (gboxed_type) == FALSE, NULL); - g_return_val_if_fail (node != NULL, NULL); - - node_type = json_node_get_node_type (node); - - t = lookup_boxed_transform (gboxed_type, node_type); - if (t != NULL && t->deserialize != NULL) - return t->deserialize (node); - - return NULL; -} - -/* forward declaration */ -static JsonNode *json_serialize_pspec (const GValue *real_value, - GParamSpec *pspec); -static gboolean json_deserialize_pspec (GValue *value, - GParamSpec *pspec, - JsonNode *node); - static gboolean enum_from_string (GType type, const gchar *string, @@ -651,7 +407,7 @@ json_gobject_dump (GObject *gobject) return object; } -static gboolean +gboolean json_deserialize_pspec (GValue *value, GParamSpec *pspec, JsonNode *node) @@ -826,7 +582,7 @@ json_deserialize_pspec (GValue *value, return retval; } -static JsonNode * +JsonNode * json_serialize_pspec (const GValue *real_value, GParamSpec *pspec) { @@ -965,125 +721,6 @@ json_serialize_pspec (const GValue *real_value, } /** - * json_serializable_serialize_property: - * @serializable: a #JsonSerializable object - * @property_name: the name of the property - * @value: the value of the property - * @pspec: a #GParamSpec - * - * Asks a #JsonSerializable implementation to serialize a #GObject - * property into a #JsonNode object. - * - * Return value: a #JsonNode containing the serialized property - */ -JsonNode * -json_serializable_serialize_property (JsonSerializable *serializable, - const gchar *property_name, - const GValue *value, - GParamSpec *pspec) -{ - JsonSerializableIface *iface; - - g_return_val_if_fail (JSON_IS_SERIALIZABLE (serializable), NULL); - g_return_val_if_fail (property_name != NULL, NULL); - g_return_val_if_fail (value != NULL, NULL); - g_return_val_if_fail (pspec != NULL, NULL); - - iface = JSON_SERIALIZABLE_GET_IFACE (serializable); - - return iface->serialize_property (serializable, property_name, value, pspec); -} - -/** - * json_serializable_deserialize_property: - * @serializable: a #JsonSerializable - * @property_name: the name of the property - * @value: a pointer to an uninitialized #GValue - * @pspec: a #GParamSpec - * @property_node: a #JsonNode containing the serialized property - * - * Asks a #JsonSerializable implementation to deserialize the - * property contained inside @property_node into @value. - * - * Return value: %TRUE if the property was successfully deserialized. - */ -gboolean -json_serializable_deserialize_property (JsonSerializable *serializable, - const gchar *property_name, - GValue *value, - GParamSpec *pspec, - JsonNode *property_node) -{ - JsonSerializableIface *iface; - - g_return_val_if_fail (JSON_IS_SERIALIZABLE (serializable), FALSE); - g_return_val_if_fail (property_name != NULL, FALSE); - g_return_val_if_fail (value != NULL, FALSE); - g_return_val_if_fail (pspec != NULL, FALSE); - g_return_val_if_fail (property_node != NULL, FALSE); - - iface = JSON_SERIALIZABLE_GET_IFACE (serializable); - - return iface->deserialize_property (serializable, - property_name, - value, - pspec, - property_node); -} - -static gboolean -json_serializable_real_deserialize (JsonSerializable *serializable, - const gchar *name, - GValue *value, - GParamSpec *pspec, - JsonNode *node) -{ - return json_deserialize_pspec (value, pspec, node); -} - -static JsonNode * -json_serializable_real_serialize (JsonSerializable *serializable, - const gchar *name, - const GValue *value, - GParamSpec *pspec) -{ - return json_serialize_pspec (value, pspec); -} - -static void -json_serializable_base_init (gpointer g_class, - gpointer data) -{ - static gboolean is_initialized = FALSE; - - if (G_UNLIKELY (!is_initialized)) - { - JsonSerializableIface *iface = g_class; - - iface->serialize_property = json_serializable_real_serialize; - iface->deserialize_property = json_serializable_real_deserialize; - - is_initialized = TRUE; - } -} - -GType -json_serializable_get_type (void) -{ - static GType iface_type = 0; - - if (!iface_type) - iface_type = - g_type_register_static_simple (G_TYPE_INTERFACE, - g_intern_static_string ("JsonSerializable"), - sizeof (JsonSerializableIface), - json_serializable_base_init, - 0, NULL, 0); - - return iface_type; -} - -/** * json_construct_gobject: * @gtype: the #GType of object to construct * @data: a JSON data stream |