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git.proxmox.com Git - ovs.git/blob - lib/ovsdb-parser.h
1 /* Copyright (c) 2009, 2010 Nicira Networks
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
16 #ifndef OVSDB_PARSER_H
17 #define OVSDB_PARSER_H 1
26 char *name
; /* Used only in error messages. */
27 struct svec used
; /* Already-parsed names from 'object'. */
28 const struct json
*json
; /* JSON object being parsed. */
29 struct ovsdb_error
*error
; /* Error signaled, if any. */
32 /* Check that the JSON types make the bitwise tricks below work OK. */
33 BUILD_ASSERT_DECL(JSON_NULL
>= 0 && JSON_NULL
< 10);
34 BUILD_ASSERT_DECL(JSON_FALSE
>= 0 && JSON_FALSE
< 10);
35 BUILD_ASSERT_DECL(JSON_TRUE
>= 0 && JSON_TRUE
< 10);
36 BUILD_ASSERT_DECL(JSON_OBJECT
>= 0 && JSON_OBJECT
< 10);
37 BUILD_ASSERT_DECL(JSON_ARRAY
>= 0 && JSON_ARRAY
< 10);
38 BUILD_ASSERT_DECL(JSON_INTEGER
>= 0 && JSON_INTEGER
< 10);
39 BUILD_ASSERT_DECL(JSON_REAL
>= 0 && JSON_REAL
< 10);
40 BUILD_ASSERT_DECL(JSON_STRING
>= 0 && JSON_STRING
< 10);
41 BUILD_ASSERT_DECL(JSON_N_TYPES
== 8);
43 enum ovsdb_parser_types
{
44 OP_NULL
= 1 << JSON_NULL
, /* null */
45 OP_FALSE
= 1 << JSON_FALSE
, /* false */
46 OP_TRUE
= 1 << JSON_TRUE
, /* true */
47 OP_OBJECT
= 1 << JSON_OBJECT
, /* {"a": b, "c": d, ...} */
48 OP_ARRAY
= 1 << JSON_ARRAY
, /* [1, 2, 3, ...] */
49 OP_INTEGER
= 1 << JSON_INTEGER
, /* 123. */
50 OP_NONINTEGER
= 1 << JSON_REAL
, /* 123.456. */
51 OP_STRING
= 1 << JSON_STRING
, /* "..." */
52 OP_ANY
= (OP_NULL
| OP_FALSE
| OP_TRUE
| OP_OBJECT
| OP_ARRAY
53 | OP_INTEGER
| OP_NONINTEGER
| OP_STRING
),
55 OP_BOOLEAN
= OP_FALSE
| OP_TRUE
,
56 OP_NUMBER
= OP_INTEGER
| OP_NONINTEGER
,
58 OP_ID
= 1 << JSON_N_TYPES
, /* "[_a-zA-Z][_a-zA-Z0-9]*" */
59 OP_OPTIONAL
= 1 << (JSON_N_TYPES
+ 1) /* no value at all */
62 void ovsdb_parser_init(struct ovsdb_parser
*, const struct json
*,
63 const char *name
, ...)
65 const struct json
*ovsdb_parser_member(struct ovsdb_parser
*, const char *name
,
66 enum ovsdb_parser_types
);
68 void ovsdb_parser_raise_error(struct ovsdb_parser
*parser
,
69 const char *format
, ...)
71 bool ovsdb_parser_has_error(const struct ovsdb_parser
*);
72 struct ovsdb_error
*ovsdb_parser_get_error(const struct ovsdb_parser
*);
73 struct ovsdb_error
*ovsdb_parser_finish(struct ovsdb_parser
*)
75 void ovsdb_parser_destroy(struct ovsdb_parser
*);
77 bool ovsdb_parser_is_id(const char *string
);
79 #endif /* ovsdb-parser.h */