projects / mirror_iproute2.git / blame
| Commit | Line | Data |
|---|---|---|
| d9d8c839 | 1 | /* SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) */ |
| fcc16c22 SH |
2 | /* |
| 3 | * Simple streaming JSON writer | |
| 4 | * | |
| 5 | * This takes care of the annoying bits of JSON syntax like the commas | |
| 6 | * after elements | |
| 7 | * | |
| fcc16c22 SH |
8 | * Authors: Stephen Hemminger <stephen@networkplumber.org> |
| 9 | */ | |
| 10 | ||
| 11 | #ifndef _JSON_WRITER_H_ | |
| 12 | #define _JSON_WRITER_H_ | |
| 13 | ||
| 14 | #include <stdbool.h> | |
| 15 | #include <stdint.h> | |
| 16 | ||
| 17 | /* Opaque class structure */ | |
| 18 | typedef struct json_writer json_writer_t; | |
| 19 | ||
| 20 | /* Create a new JSON stream */ | |
| 21 | json_writer_t *jsonw_new(FILE *f); | |
| 22 | /* End output to JSON stream */ | |
| 23 | void jsonw_destroy(json_writer_t **self_p); | |
| 24 | ||
| 25 | /* Cause output to have pretty whitespace */ | |
| 26 | void jsonw_pretty(json_writer_t *self, bool on); | |
| 27 | ||
| 28 | /* Add property name */ | |
| 29 | void jsonw_name(json_writer_t *self, const char *name); | |
| 30 | ||
| 31 | /* Add value */ | |
| 7252f16b | 32 | void jsonw_printf(json_writer_t *self, const char *fmt, ...); |
| fcc16c22 SH |
33 | void jsonw_string(json_writer_t *self, const char *value); |
| 34 | void jsonw_bool(json_writer_t *self, bool value); | |
| 35 | void jsonw_float(json_writer_t *self, double number); | |
| 7252f16b | 36 | void jsonw_float_fmt(json_writer_t *self, const char *fmt, double num); |
| 4db2ff0d THJ |
37 | void jsonw_uint(json_writer_t *self, unsigned int number); |
| 38 | void jsonw_u64(json_writer_t *self, uint64_t number); | |
| 8958a15c | 39 | void jsonw_xint(json_writer_t *self, uint64_t number); |
| 7252f16b | 40 | void jsonw_hu(json_writer_t *self, unsigned short number); |
| 4db2ff0d THJ |
41 | void jsonw_int(json_writer_t *self, int number); |
| 42 | void jsonw_s64(json_writer_t *self, int64_t number); | |
| fcc16c22 | 43 | void jsonw_null(json_writer_t *self); |
| 4db2ff0d | 44 | void jsonw_luint(json_writer_t *self, unsigned long int num); |
| 7252f16b | 45 | void jsonw_lluint(json_writer_t *self, unsigned long long int num); |
| fcc16c22 SH |
46 | |
| 47 | /* Useful Combinations of name and value */ | |
| 48 | void jsonw_string_field(json_writer_t *self, const char *prop, const char *val); | |
| 49 | void jsonw_bool_field(json_writer_t *self, const char *prop, bool value); | |
| 50 | void jsonw_float_field(json_writer_t *self, const char *prop, double num); | |
| 4db2ff0d THJ |
51 | void jsonw_uint_field(json_writer_t *self, const char *prop, unsigned int num); |
| 52 | void jsonw_u64_field(json_writer_t *self, const char *prop, uint64_t num); | |
| 8958a15c | 53 | void jsonw_xint_field(json_writer_t *self, const char *prop, uint64_t num); |
| 7252f16b | 54 | void jsonw_hu_field(json_writer_t *self, const char *prop, unsigned short num); |
| 4db2ff0d THJ |
55 | void jsonw_int_field(json_writer_t *self, const char *prop, int num); |
| 56 | void jsonw_s64_field(json_writer_t *self, const char *prop, int64_t num); | |
| fcc16c22 | 57 | void jsonw_null_field(json_writer_t *self, const char *prop); |
| 4db2ff0d THJ |
58 | void jsonw_luint_field(json_writer_t *self, const char *prop, |
| 59 | unsigned long int num); | |
| 7252f16b JF |
60 | void jsonw_lluint_field(json_writer_t *self, const char *prop, |
| 61 | unsigned long long int num); | |
| 62 | void jsonw_float_field_fmt(json_writer_t *self, const char *prop, | |
| 63 | const char *fmt, double val); | |
| fcc16c22 SH |
64 | |
| 65 | /* Collections */ | |
| 66 | void jsonw_start_object(json_writer_t *self); | |
| 67 | void jsonw_end_object(json_writer_t *self); | |
| 68 | ||
| 69 | void jsonw_start_array(json_writer_t *self); | |
| 70 | void jsonw_end_array(json_writer_t *self); | |
| 71 | ||
| 72 | /* Override default exception handling */ | |
| 73 | typedef void (jsonw_err_handler_fn)(const char *); | |
| 74 | ||
| 75 | #endif /* _JSON_WRITER_H_ */ |