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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:24:08 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:24:08 +0000 |
commit | f449f278dd3c70e479a035f50a9bb817a9b433ba (patch) | |
tree | 8ca2bfb785dda9bb4d573acdf9b42aea9cd51383 /src/contrib/json.h | |
parent | Initial commit. (diff) | |
download | knot-upstream.tar.xz knot-upstream.zip |
Adding upstream version 3.2.6.upstream/3.2.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/contrib/json.h')
-rw-r--r-- | src/contrib/json.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/contrib/json.h b/src/contrib/json.h new file mode 100644 index 0000000..983b329 --- /dev/null +++ b/src/contrib/json.h @@ -0,0 +1,87 @@ +/* Copyright (C) 2022 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz> + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. +*/ + +#pragma once + +#include <stdio.h> +#include <stdbool.h> +#include <stdint.h> + +/*! + * Simple pretty JSON writer. + */ +struct jsonw; +typedef struct jsonw jsonw_t; + +/*! + * Create new JSON writer. + * + * @param out Output file stream. + * @param indent Indentation string. + * + * @return JSON writer or NULL for allocation error. + */ +jsonw_t *jsonw_new(FILE *out, const char *indent); + +/*! + * Free JSON writer created with jsonw_new. + */ +void jsonw_free(jsonw_t **w); + +/*! + * Start writing a new object. + * + * The following writes will represent key and value pairs respectively until + * jsonw_end is called. + */ +void jsonw_object(jsonw_t *w, const char *key); + +/*! + * Start writing a new list. + * + * The following writes will represent values until jsonw_end is called. + */ +void jsonw_list(jsonw_t *w, const char *key); + +/*! + * Write string as JSON. The string will be escaped properly. + */ +void jsonw_str(jsonw_t *w, const char *key, const char *value); + +/*! + * Write unsigned long value as JSON. + */ +void jsonw_ulong(jsonw_t *w, const char *key, unsigned long value); + +/*! + * Write integer as JSON. + */ +void jsonw_int(jsonw_t *w, const char *key, int value); + +/*! + * Write boolean value as JSON. + */ +void jsonw_bool(jsonw_t *w, const char *key, bool value); + +/*! + * Write binary data encoded to HEX as JSON. + */ +void jsonw_hex(jsonw_t *w, const char *key, const uint8_t *data, size_t len); + +/*! + * Terminate in-progress object or list. + */ +void jsonw_end(jsonw_t *w); |