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/* json-reader.h - JSON cursor parser
*
* This file is part of JSON-GLib
* Copyright (C) 2010 Intel Corp.
*
* 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 2.1 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, see <http://www.gnu.org/licenses/>.
*
* Author:
* Emmanuele Bassi <ebassi@linux.intel.com>
*/
#if !defined(__JSON_GLIB_INSIDE__) && !defined(JSON_COMPILATION)
#error "Only <json-glib/json-glib.h> can be included directly."
#endif
#ifndef __JSON_READER_H__
#define __JSON_READER_H__
#include <json-glib/json-types.h>
G_BEGIN_DECLS
#define JSON_TYPE_READER (json_reader_get_type ())
#define JSON_READER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), JSON_TYPE_READER, JsonReader))
#define JSON_IS_READER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), JSON_TYPE_READER))
#define JSON_READER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), JSON_TYPE_READER, JsonReaderClass))
#define JSON_IS_READER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), JSON_TYPE_READER))
#define JSON_READER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), JSON_TYPE_READER, JsonReaderClass))
/**
* JSON_READER_ERROR:
*
* Error domain for #JsonReader errors
*
* Since: 0.12
*/
#define JSON_READER_ERROR (json_reader_error_quark ())
typedef struct _JsonReader JsonReader;
typedef struct _JsonReaderPrivate JsonReaderPrivate;
typedef struct _JsonReaderClass JsonReaderClass;
/**
* JsonReaderError:
* @JSON_READER_ERROR_NO_ARRAY: No array found at the current position
* @JSON_READER_ERROR_INVALID_INDEX: Index out of bounds
* @JSON_READER_ERROR_NO_OBJECT: No object found at the current position
* @JSON_READER_ERROR_INVALID_MEMBER: Member not found
*
* Error codes enumeration for #JsonReader errors
*
* Since: 0.12
*/
typedef enum {
JSON_READER_ERROR_NO_ARRAY,
JSON_READER_ERROR_INVALID_INDEX,
JSON_READER_ERROR_NO_OBJECT,
JSON_READER_ERROR_INVALID_MEMBER
} JsonReaderError;
/**
* JsonReader:
*
* The <structname>JsonReader</structname> structure contains only
* private data and should only be accessed using the provided API
*
* Since: 0.12
*/
struct _JsonReader
{
/*< private >*/
GObject parent_instance;
JsonReaderPrivate *priv;
};
/**
* JsonReaderClass:
*
* The <structname>JsonReaderClass</structname> structure contains only
* private data
*
* Since: 0.12
*/
struct _JsonReaderClass
{
/*< private >*/
GObjectClass parent_class;
void (*_json_padding0) (void);
void (*_json_padding1) (void);
void (*_json_padding2) (void);
void (*_json_padding3) (void);
void (*_json_padding4) (void);
};
GQuark json_reader_error_quark (void);
GType json_reader_get_type (void) G_GNUC_CONST;
JsonReader * json_reader_new (JsonNode *node);
void json_reader_set_root (JsonReader *reader,
JsonNode *root);
G_CONST_RETURN GError *json_reader_get_error (JsonReader *reader);
gboolean json_reader_is_array (JsonReader *reader);
gboolean json_reader_read_element (JsonReader *reader,
guint index_);
void json_reader_end_element (JsonReader *reader);
gint json_reader_count_elements (JsonReader *reader);
gboolean json_reader_is_object (JsonReader *reader);
gboolean json_reader_read_member (JsonReader *reader,
const gchar *member_name);
void json_reader_end_member (JsonReader *reader);
gint json_reader_count_members (JsonReader *reader);
gchar ** json_reader_list_members (JsonReader *reader);
G_CONST_RETURN gchar * json_reader_get_member_name (JsonReader *reader);
gboolean json_reader_is_value (JsonReader *reader);
JsonNode * json_reader_get_value (JsonReader *reader);
gint64 json_reader_get_int_value (JsonReader *reader);
gdouble json_reader_get_double_value (JsonReader *reader);
G_CONST_RETURN gchar * json_reader_get_string_value (JsonReader *reader);
gboolean json_reader_get_boolean_value (JsonReader *reader);
gboolean json_reader_get_null_value (JsonReader *reader);
G_END_DECLS
#endif /* __JSON_READER_H__ */
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