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/* json-types.h - JSON data types
*
* This file is part of JSON-GLib
* Copyright (C) 2007 OpenedHand Ltd.
*
* 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.
*
* Author:
* Emmanuele Bassi <ebassi@openedhand.com>
*/
#ifndef __JSON_TYPES_H__
#define __JSON_TYPES_H__
#include <glib-object.h>
G_BEGIN_DECLS
/**
* JSON_NODE_TYPE:
* @node: a #JsonNode
*
* Evaluates to the #JsonNodeType contained by @node
*/
#define JSON_NODE_TYPE(node) (((JsonNode *) (node))->type)
#define JSON_TYPE_OBJECT (json_object_get_type ())
#define JSON_TYPE_ARRAY (json_array_get_type ())
/**
* JsonObject:
*
* A JSON object type. The contents of the #JsonObject structure are private
* and should only be accessed by the provided API
*/
typedef struct _JsonObject JsonObject;
/**
* JsonArray:
*
* A JSON array type. The contents of the #JsonArray structure are private
* and should only be accessed by the provided API
*/
typedef struct _JsonArray JsonArray;
typedef struct _JsonNode JsonNode;
/**
* JsonNodeType:
* @JSON_NODE_OBJECT: The node contains a #JsonObject
* @JSON_NODE_ARRAY: The node contains a #JsonArray
* @JSON_NODE_VALUE: The node contains a #GValue
* @JSON_NODE_NULL: Special type, for nodes containing %NULL
*
* Indicates the content of a #JsonNode.
*/
typedef enum {
JSON_NODE_OBJECT,
JSON_NODE_ARRAY,
JSON_NODE_VALUE,
JSON_NODE_NULL
} JsonNodeType;
/**
* JsonNode:
*
* A generic container of JSON data types. The contents of the #JsonNode
* structure are private and should only be accessed via the provided
* functions and never directly.
*/
struct _JsonNode
{
/*< private >*/
JsonNodeType type;
union {
JsonObject *object;
JsonArray *array;
GValue value;
} data;
JsonNode *parent;
};
JsonNode * json_node_new (JsonNodeType type);
JsonNode * json_node_copy (JsonNode *node);
void json_node_free (JsonNode *node);
void json_node_set_object (JsonNode *node,
JsonObject *object);
void json_node_take_object (JsonNode *node,
JsonObject *object);
JsonObject * json_node_get_object (JsonNode *node);
JsonObject * json_node_dup_object (JsonNode *node);
void json_node_set_array (JsonNode *node,
JsonArray *array);
void json_node_take_array (JsonNode *node,
JsonArray *array);
JsonArray * json_node_get_array (JsonNode *node);
JsonArray * json_node_dup_array (JsonNode *node);
void json_node_set_value (JsonNode *node,
const GValue *value);
void json_node_get_value (JsonNode *node,
GValue *value);
JsonNode * json_node_get_parent (JsonNode *node);
G_CONST_RETURN gchar *json_node_type_name (JsonNode *node);
void json_object_get_type (void) G_GNUC_CONST;
JsonObject * json_object_new (void);
JsonObject * json_object_ref (JsonObject *object);
void json_object_unref (JsonObject *object);
void json_object_add_member (JsonObject *object,
const gchar *member_name,
JsonNode *node);
GList * json_object_get_members (JsonObject *object);
JsonNode * json_object_get_member (JsonObject *object,
const gchar *member_name);
gboolean json_object_has_member (JsonObject *object,
const gchar *member_name);
guint json_object_get_size (JsonObject *object);
void json_array_get_type (void) G_GNUC_CONST;
JsonArray * json_array_new (void);
JsonArray * json_array_sized_new (guint n_elements);
JsonArray * json_array_ref (JsonArray *array);
void json_array_unref (JsonArray *array);
void json_array_add_element (JsonArray *array,
JsonNode *node);
GList * json_array_get_elements (JsonArray *array);
JsonNode * json_array_get_element (JsonArray *array,
guint index_);
guint json_array_get_length (JsonArray *array);
G_END_DECLS
#endif /* __JSON_TYPES_H__ */
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