1 /* json-parser.h - JSON streams parser
3 * This file is part of JSON-GLib
4 * Copyright (C) 2007 OpenedHand Ltd.
5 * Copyright (C) 2009 Intel Corp.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
21 * Emmanuele Bassi <ebassi@linux.intel.com>
24 #if !defined(__JSON_GLIB_INSIDE__) && !defined(JSON_COMPILATION)
25 #error "Only <json-glib/json-glib.h> can be included directly."
28 #ifndef __JSON_PARSER_H__
29 #define __JSON_PARSER_H__
31 #include <glib-object.h>
33 #include <json-glib/json-types.h>
37 #define JSON_TYPE_PARSER (json_parser_get_type ())
38 #define JSON_PARSER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), JSON_TYPE_PARSER, JsonParser))
39 #define JSON_IS_PARSER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), JSON_TYPE_PARSER))
40 #define JSON_PARSER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), JSON_TYPE_PARSER, JsonParserClass))
41 #define JSON_IS_PARSER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), JSON_TYPE_PARSER))
42 #define JSON_PARSER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), JSON_TYPE_PARSER, JsonParserClass))
44 #define JSON_PARSER_ERROR (json_parser_error_quark ())
46 typedef struct _JsonParser JsonParser;
47 typedef struct _JsonParserPrivate JsonParserPrivate;
48 typedef struct _JsonParserClass JsonParserClass;
52 * @JSON_PARSER_ERROR_PARSE: parse error
53 * @JSON_PARSER_ERROR_TRAILING_COMMA: unexpected trailing comma
54 * @JSON_PARSER_ERROR_MISSING_COMMA: expected comma
55 * @JSON_PARSER_ERROR_MISSING_COLON: expected colon
56 * @JSON_PARSER_ERROR_INVALID_BAREWORD: invalid bareword
57 * @JSON_PARSER_ERROR_UNKNOWN: unknown error
59 * Error enumeration for #JsonParser
61 * This enumeration can be extended at later date
64 JSON_PARSER_ERROR_PARSE,
65 JSON_PARSER_ERROR_TRAILING_COMMA,
66 JSON_PARSER_ERROR_MISSING_COMMA,
67 JSON_PARSER_ERROR_MISSING_COLON,
68 JSON_PARSER_ERROR_INVALID_BAREWORD,
70 JSON_PARSER_ERROR_UNKNOWN
76 * JSON data streams parser. The contents of the #JsonParser structure are
77 * private and should only be accessed via the provided API.
82 GObject parent_instance;
84 JsonParserPrivate *priv;
89 * @parse_start: class handler for the JsonParser::parse-start signal
90 * @object_start: class handler for the JsonParser::object-start signal
91 * @object_member: class handler for the JsonParser::object-member signal
92 * @object_end: class handler for the JsonParser::object-end signal
93 * @array_start: class handler for the JsonParser::array-start signal
94 * @array_element: class handler for the JsonParser::array-element signal
95 * @array_end: class handler for the JsonParser::array-end signal
96 * @parse_end: class handler for the JsonParser::parse-end signal
97 * @error: class handler for the JsonParser::error signal
101 struct _JsonParserClass
104 GObjectClass parent_class;
107 void (* parse_start) (JsonParser *parser);
109 void (* object_start) (JsonParser *parser);
110 void (* object_member) (JsonParser *parser,
112 const gchar *member_name);
113 void (* object_end) (JsonParser *parser,
116 void (* array_start) (JsonParser *parser);
117 void (* array_element) (JsonParser *parser,
120 void (* array_end) (JsonParser *parser,
123 void (* parse_end) (JsonParser *parser);
125 void (* error) (JsonParser *parser,
126 const GError *error);
129 /* padding for future expansion */
130 void (* _json_reserved1) (void);
131 void (* _json_reserved2) (void);
132 void (* _json_reserved3) (void);
133 void (* _json_reserved4) (void);
134 void (* _json_reserved5) (void);
135 void (* _json_reserved6) (void);
136 void (* _json_reserved7) (void);
137 void (* _json_reserved8) (void);
140 GQuark json_parser_error_quark (void);
141 GType json_parser_get_type (void) G_GNUC_CONST;
143 JsonParser *json_parser_new (void);
144 gboolean json_parser_load_from_file (JsonParser *parser,
145 const gchar *filename,
147 gboolean json_parser_load_from_data (JsonParser *parser,
151 gboolean json_parser_load_from_stream (JsonParser *parser,
152 GInputStream *stream,
153 GCancellable *cancellable,
155 void json_parser_load_from_stream_async (JsonParser *parser,
156 GInputStream *stream,
157 GCancellable *cancellable,
158 GAsyncReadyCallback callback,
160 gboolean json_parser_load_from_stream_finish (JsonParser *parser,
161 GAsyncResult *result,
164 JsonNode * json_parser_get_root (JsonParser *parser);
166 guint json_parser_get_current_line (JsonParser *parser);
167 guint json_parser_get_current_pos (JsonParser *parser);
168 gboolean json_parser_has_assignment (JsonParser *parser,
169 gchar **variable_name);
173 #endif /* __JSON_PARSER_H__ */